CN209598368U - Joint welder - Google Patents
Joint welder Download PDFInfo
- Publication number
- CN209598368U CN209598368U CN201920167655.6U CN201920167655U CN209598368U CN 209598368 U CN209598368 U CN 209598368U CN 201920167655 U CN201920167655 U CN 201920167655U CN 209598368 U CN209598368 U CN 209598368U
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- Prior art keywords
- welding gun
- grip slipper
- negative electrode
- electrode tab
- power device
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Abstract
This application discloses joint welders, joint welder provided by the utility model includes bracket, wire feeder, welding gun and negative electrode tab, the wire feeder is directly or indirectly fixed on bracket, the welding gun is directly or indirectly fixed on bracket, the negative electrode tab is directly or indirectly fixed on bracket, the wire feeder is used to for tin silk being delivered to the heat producing regions between welding gun and negative electrode tab, and the welding gun and negative electrode tab are provided commonly for melting tin silk.Joint welder provided by the utility model, which has the following beneficial effects: heat that argon arc welding electric current generates, replaces electric iron to melt tin silk, argon arc welding and soldering iron tin wire bond is combined together, welding effect is more preferable.
Description
Technical field
The utility model relates to field of welding devices more particularly to a kind of joint welders.
Background technique
It needs (to plate pole 3 (being made by lead, be vertically and fixedly arranged at battery case 2) and terminal 1 in battery production
Silver-bearing copper piece) weld together, the two before welding together as shown in Fig. 1, since battery case 2 and pole 3 are in assembling process
In, the part that pole 2 is exposed to outside battery case 2 is long, when 1 fitting sle of terminal is set on pole 3, pole 3 some
Positioned at the top (for the position in attached drawing 1) of terminal 1, in order to guarantee can be welded on pole 3 and terminal 1
Together, the part for needing for pole 3 to be located at the top of terminal 1 before welding is cut, after cutting again electricity consumption soldering iron tin wire bond by terminal 1 with
Pole 3 welds together.In above-mentioned welding process, the tin silk of thawing can only be covered on the upper surface of terminal 1, and terminal 1
The tin silk covering that lower end surface (side being bonded with battery case 2) can not be melted, and assembly can be seriously affected in this way and completed
The service performance of battery afterwards.
Utility model content
The utility model is in view of the above-mentioned problems, propose a kind of joint welder.
The technical solution that the utility model is taken is as follows:
Based on welding method is combined used by joint welder, include the following steps:
S1: heating region tin silk being placed between welding gun and negative electrode tab；
S2: being electrified to welding gun and negative electrode tab, is melted tin silk using the heat that the electric current between welding gun and negative electrode tab generates
Change；
S3: tin silk is supplemented at the constantly fever to welding gun and negative electrode tab during tin silk melts.
In this welding method, welding gun connects positive pole with negative electrode tab one, another connects power cathode, and (specifically which connects electricity
Source anode does not have strict requirements, as long as can generate electric current between welding gun and negative electrode tab) so that welding gun and negative electrode tab it
Between electric current can generate a large amount of heat.When this method makes for battery, the fusing point of tin is 231.89 degrees Celsius, and lead
Fusing point be 327.502 degrees Celsius, so tin silk can melt prior to pole again in welding process, and the Molten Tin meeting melted
It is dispersed between pole and terminal and (tin liquor can be distributed on the upper surface and lower end surface of such terminal), with pushing away for time
It moves, pole can also melt, and when pole melts, the energization of stopping Butt welding gun and negative electrode tab completes whole after lead and tin solidification
A welding process.
In above-mentioned welding method, first tin silk is melted by the heat that electric current generates, the tin liquor of melting is flowed
Two endfaces up and down of terminal are dropped down, heat is recycled to melt pole, after lead and tin solidify, can both guarantee pole
It is securely fixed together with terminal, while the two sides up and down of terminal are distributed with tin.
Simultaneously because melting terminal and pole part are viscous together, so that the bonding strength between pole and terminal is more firm
Gu more difficult fall off.
A kind of joint welder, including bracket, wire feeder, welding gun and negative electrode tab, the wire feeder directly or
It connects and is fixed on bracket, the welding gun is directly or indirectly fixed on bracket, and the negative electrode tab is directly or indirectly fixed on bracket
On, the wire feeder is used to for tin silk being delivered to the heat producing regions between welding gun and negative electrode tab, and the welding gun and negative electrode tab are total
With for melting tin silk.
This welder is to be suitable for above-mentioned welding method, and welding gun can connect with positive pole, at this time negative electrode tab and electricity
Source cathode connects, and the shape of welding gun and negative electrode tab can be consistent, can also be inconsistent.
Optionally, the welding gun is bobbin shape welding gun, and the wire feeder is used to for tin silk being delivered to below welding gun.
Using bobbin shape welding gun, so that tin silk melts in bobbin shape welding gun, the tin liquor then melted is welded along bobbin shape
Rifle drops between pole and terminal.It can guarantee that wire feeder is more smooth when transporting tin feeding wire using bobbin shape welding gun, together
Tin silk after Shi Ronghua can drop down between pole and terminal along bobbin shape welding gun is smooth.
Optionally, further include the first movement mechanism, first movement mechanism is slidably mounted on bracket, the welding gun and
Negative electrode tab is mounted on the first movement mechanism, and first movement mechanism is for driving welding gun and negative electrode tab longitudinal and transverse direction to transport
It is dynamic.
It using the above structure can be in order to adjust the position of welding gun and negative electrode tab on bracket at any time, in order to preferably suitable
Weld job is answered, since the position of welding gun and negative electrode tab is adjustable, it can be ensured that welding gun can adapt to various each with negative electrode tab
The weld task of sample.Here longitudinal movement and transverse movement is for the position of sliding rail.
Optionally, first movement mechanism includes sliding seat, mounting base and moving lever, and the sliding seat is slidably mounted on
On bracket, the welding gun and negative electrode tab are mounted in mounting base, and the moving lever is installed on sliding seat, and the mounting base is solid
Loaded on moving lever, the moving lever is mobile to the direction close to or far from sliding seat for drive installation seat for Dingan County.
Optionally, sliding rail is provided on the bracket, the sliding seat is slidably mounted on sliding rail, and the moving lever is spiral shell
Bar, the moving lever are combined together by way of being threadedly engaged with sliding seat, and moving lever is always perpendicular to sliding seat
Glide direction, the mounting base are fixed on one end of moving lever.
Sliding seat is slidably matched with sliding rail on bracket, it is ensured that welding gun and negative electrode tab can be carried out relative to being parallel to
The mode that the movement of sliding rail, moving lever and sliding seat are threadedly engaged can carry out the fortune perpendicular to sliding rail with welding gun and negative electrode tab
It is dynamic.The specific position of sliding seat on the slide rail can be adjusted by setting motor, can also be by manually adjusting, moving lever
Positional relationship between sliding seat can manually adjust, and motor can be set also to adjust.
Optionally, the wire feeder includes the first grip slipper, the first power device, the second grip slipper, the second power dress
It sets, third power device and pedestal, first power device are installed on the first grip slipper, the second power device installation
In on the second grip slipper, first grip slipper is fixedly installed on pedestal, and second grip slipper is slidably mounted on pedestal,
The third power device is fixedly installed on pedestal, and the third power device is for driving the second grip slipper to transport on pedestal
It is dynamic；First grip slipper and the first power device are provided commonly for clamping tin silk, second grip slipper and the second power device
It is provided commonly for tin silk from pressing from both sides at welding gun at the first grip slipper.
The work step of wire feeder is as follows: the second grip slipper first is located at the first working position (i.e. close to the first grip slipper
One end), and the first grip slipper and the first power device are in releasing orientation, then the second power device works, the second power dress
Set with the second grip slipper collective effect clamp tin silk, then third power device drive the second grip slipper to the second working position (i.e.
Far from the second grip slipper side) movement, after the second grip slipper moves to the second working position, the second power device is unclamped and second
The cooperation (no longer clamping tin silk) of grip slipper；Then the first power device and the first grip slipper, which are combined together, clamps tin silk,
Third power device drive the second grip slipper from the second working position to the first working position at move, wait feeding.During this
Tin silk is hold by the second grip slipper and the second power device to movement at welding gun.The constantly circulation above process, tin silk is with regard to continuous
Ground is added in welding gun.
Optionally, first power device be the first cylinder, second power device be the second cylinder, described first
Clamping plate is respectively installed, first cylinder is for driving clamping plate and the first grip slipper collective effect on cylinder and the second cylinder
Tin silk is clamped, second cylinder is for driving clamping plate and the second grip slipper collective effect to clamp tin silk.
The effect that clamping plate is arranged is to preferably clamp tin silk.
Optionally, it is provided with slide bar on the pedestal, casing, second grip slipper are provided on second grip slipper
It is set in slide bar by cannula slide, the third power device is third cylinder, and the third cylinder is fixedly installed in bottom
On seat, and third cylinder one end is fixed together with the second grip slipper.
Optionally, the negative electrode tab is bobbin shape or column or piece plate negative electrode tab.
The heat that argon arc welding electric current generates is replaced electric iron to melt tin silk by the present apparatus, by argon arc welding and soldering iron tin wire bond
It is combined together, welding effect is more preferable.
The beneficial effects of the utility model are: first tin silk is melted by the heat that electric current generates, so that the tin liquor of melting
It can trickle to two endfaces up and down of terminal, heat is recycled to melt pole, after lead and tin solidify, can both protect
Card pole and terminal securely fix together, while the two sides up and down of terminal are distributed with tin.
Detailed description of the invention:
Fig. 1 is the fiting relation figure of pole and terminal；
Fig. 2 is joint welder structure schematic diagram；
Fig. 3 is wire feeder structure schematic diagram；
Fig. 4 is the positional diagram of welding gun and negative electrode tab；
Fig. 5 is the installation site relation schematic diagram of moving lever.
Each appended drawing reference in figure are as follows: 1, terminal, 2, battery case, 3, pole, 4, bracket, 401, sliding rail, 5, wire feeder,
501, pedestal, the 5101, first cylinder, the 5102, second cylinder, 5103, third cylinder, the 5201, first grip slipper, 5202, second
Grip slipper, 503, clamping plate, 504, casing, 505, slide bar, 506, put silk volume frame, 6, battery locating device, 7, terminal test device,
8, welding gun, 9, negative electrode tab, 10, mounting base, 11, sliding seat, 1101, adjustment disk, 12, motor, 13, moving lever.
Specific embodiment:
Below with reference to each attached drawing, the utility model is described in detail.
The utility model provides a kind of joint welder, as shown in attached drawing 2, attached drawing 3, attached drawing 4 and attached drawing 5, including
Bracket 4, wire feeder 5, welding gun 8 and negative electrode tab 9, wire feeder 5 are directly or indirectly fixed on bracket 4, welding gun 8 directly or
It connects and is fixed on bracket 4, negative electrode tab 9 is directly or indirectly fixed on bracket 4, and wire feeder 5 is used to tin silk being delivered to welding gun 8
With the heat producing regions between negative electrode tab 9, welding gun 8 and negative electrode tab 9 are provided commonly for melting tin silk.
As shown in Fig. 2, battery locating device 6 and terminal test device 7, battery are provided on the sliding rail 401 on bracket 1
Positioning device 6 is used to clamp battery, and terminal test device 7 is used to detect the battery after welding.
This welder is to be suitable for joint welding method, and welding gun 8 can connect with positive pole, at this time negative electrode tab 9 and
Power cathode connects, and the shape of welding gun 8 and negative electrode tab 9 can be consistent, can also be inconsistent.
It as shown in Fig. 2, is to be provided with sliding rail 401 at 2 on bracket 4, terminal test device 7, battery locating device 6 locks institute
The sliding rail that the sliding rail 401 and sliding seat 11 and pedestal 501 of installation are installed is not same place sliding rail 401.
As shown in attached drawing 2, attached drawing 4 and attached drawing 5, welding gun 8 is bobbin shape welding gun 8, and wire feeder 5 is for tin silk to be delivered to
8 lower section of welding gun.
Using bobbin shape welding gun 8, so that tin silk melts in bobbin shape welding gun 8, the tin liquor then melted is along bobbin shape
Welding gun 8 drops between pole and terminal.It can guarantee that wire feeder 5 is more suitable when transporting tin feeding wire using bobbin shape welding gun 8
Freely, while the tin silk after thawing can drop down between pole and terminal along bobbin shape welding gun 8 is smooth.
It further include the first movement mechanism as shown in attached drawing 2, attached drawing 4 and attached drawing 5, the first movement mechanism is slidably mounted on branch
On frame 4, welding gun 8 and negative electrode tab 9 are mounted on the first movement mechanism, and the first movement mechanism is for driving welding gun 8 and negative electrode tab 9
Longitudinal and transverse direction movement.
It using the above structure can be in order to adjust welding gun 8 and position of the negative electrode tab 9 on bracket 4 at any time, in order to more preferable
Ground adapts to weld job, since welding gun 8 and the position of negative electrode tab 9 are adjustable, it can be ensured that welding gun 8 can be fitted with negative electrode tab 9
Answer various weld tasks.Here longitudinal movement and transverse movement is for the position of sliding rail 401.
As shown in attached drawing 2, attached drawing 4 and attached drawing 5, the first movement mechanism includes sliding seat 11, mounting base 10 and moving lever 13,
Sliding seat 11 is slidably mounted on bracket 4, and welding gun 8 and negative electrode tab 9 are mounted in mounting base 10, and moving lever 13 is installed on sliding
On seat 11, mounting base 10 is fixedly installed on moving lever 13, and moving lever 13 is for drive installation seat 10 to close to or far from sliding
The direction of seat 11 is mobile.
As shown in attached drawing 2, attached drawing 4 and attached drawing 5, sliding rail 401 is provided on bracket 4, sliding seat 11 is slidably mounted on sliding rail
On 401, moving lever 13 is screw rod, and moving lever 13 is combined together by way of being threadedly engaged with sliding seat 11, and moving lever
13 always perpendicular to the glide direction of sliding seat 11, and mounting base 10 is fixed on one end of moving lever 13.
Sliding seat 11 is slidably matched with sliding rail 401 on bracket 4, it is ensured that welding gun 8 and negative electrode tab 9 can carry out relatively
In the movement for being parallel to sliding rail 401, mode that moving lever 13 and sliding seat 11 are threadedly engaged can be with welding gun 8 and negative electrode tab 9
Carry out the movement perpendicular to sliding rail 401.Specific position of the sliding seat 11 on sliding rail 401 can be adjusted by setting motor 12,
It can also be by manually adjusting, the positional relationship between moving lever 13 and sliding seat 11 can manually adjust, and can also set
Motor 12 is set to adjust.
As shown in attached drawing 4 and attached drawing 5, adjustment disk 1101 is provided on sliding seat 11, when rotation adjustment disk 1101 manually,
Sliding seat 11 can move on sliding rail 401.Wheel is provided on specific sliding seat (by the knot such as gear between wheel and adjustment disk
Structure meshes together, and rotates adjustment disk 1101, wheel rotates), the wheel is combined together with sliding rail 401, works as adjustment
When disk 1101 rotates, the wheel on sliding seat 11 can be in the rolling on sliding rail 401, so that sliding seat 11 moves on sliding rail 401.
As shown in attached drawing 2 and attached drawing 3, wire feeder 5 includes the first grip slipper 5201, the first power device, the second clamping
The 5202, second power device of seat, third power device and pedestal 501, the first power device are installed on the first grip slipper 5201,
Second power device is installed on the second grip slipper 5202, and the first grip slipper 5201 is fixedly installed on pedestal 501, the second clamping
Seat 5202 is slidably mounted on pedestal 501, and third power device is fixedly installed on pedestal 501, and third power device is for driving
Dynamic second grip slipper 5202 moves on pedestal 501；First grip slipper 5201 and the first power device are provided commonly for clamping tin silk,
Second grip slipper 5202 and the second power device are provided commonly for tin silk from pressing from both sides at welding gun 8 at the first grip slipper 5201.
The work step of wire feeder 5 is as follows: the second grip slipper 5202 first is located at the first working position (i.e. close to the first folder
Hold 5201 one end of seat), and the first grip slipper 5201 and the first power device are in releasing orientation, then the second power device work
Make, the second power device and 5202 collective effect of the second grip slipper clamp tin silk, then the second clamping of third power device driving
Seat 5202 is moved to the second working position (i.e. far from the second grip slipper side), when the second grip slipper 5202 moves to the second working position
Afterwards, the second power device unclamps the cooperation (no longer clamping tin silk) with the second grip slipper 5202；Then the first power device with
First grip slipper 5201 be combined together clamp tin silk, third power device drive the second grip slipper 5202 from the second working position to
It is moved at first working position, waits feeding.Tin silk is hold by the second grip slipper 5202 with the second power device during this
It is moved to welding gun.Constantly the circulation above process, tin silk are just constantly added in welding gun.
Second grip slipper 5202 first is located at the first working position (i.e. far from 5201 one end of the first grip slipper), and the second clamping
Seat 5202 and the second power device are in releasing orientation, and then the first power device works, the first power device and the first clamping
5201 collective effects of seat clamp tin silk, and then third power device drives the second grip slipper 5202 (i.e. close to the second working position
Second grip slipper, 5202 side) movement, after the second grip slipper 5202 moves to the second working position, the first power device unclamp with
The cooperation (no longer clamping tin silk) of first grip slipper 5201；Then the second power device and the second grip slipper 5202 cooperate one
Rise clamp tin silk, third power device drive the second grip slipper 5202 from the first working position to the second working position at move, this
Tin silk is hold by the second grip slipper 5202 and the second power device to movement at welding gun 8 in the process.The constantly circulation above process,
Tin silk is just constantly added in welding gun 8.
As shown in Fig. 3, it is provided on pedestal 501 and puts silk volume frame 506, put silk volume frame 506 and be used to set up tin silk volume.
As shown in attached drawing 2 and attached drawing 3, the first power device is the first cylinder 5101, and the second power device is the second cylinder
5102, clamping plate 503 is respectively installed, the first cylinder 5101 is for driving clamping plate on first cylinder 5101 and the second cylinder 5102
503 and 5201 collective effect of the first grip slipper clamp tin silk, the second cylinder 5102 is for driving clamping plate 503 and the second grip slipper
5202 collective effects clamp tin silk.
The effect that clamping plate 503 is arranged is to preferably clamp tin silk.Specific first grip slipper 5201 and the second grip slipper
5202 structure is as shown in Fig. 3, is the frame of a quadrangle.Bracket 4 as shown in Fig. 2, by plurality of plates and is mostly consolidated with column
It is scheduled on and is formed together, but belong to conventional structure, drawings in detail label is no longer done in this attached drawing.Sliding seat 11 is to be provided with wheel simultaneously
Son, sliding seat is mounted on sliding rail 401 by the wheel slippage of itself, when rotating the adjustment disk 1101 on sliding seat 11,
Wheel on sliding seat 11 can rotate, and such sliding seat 11 will move on sliding rail 401, this part also belongs to existing normal
Rule technology does not do detailed label in attached drawing.Mounting base 10 is by elements such as plurality of plates, pillar and bolts, this part is also
Belong to existing conventional techniques, so the structure of mounting base 10 is no longer described in detail in attached drawing.
As shown in attached drawing 2 and attached drawing 3, it is provided with slide bar 505 on pedestal 501, is provided with casing on the second grip slipper 5202
504, the second grip slipper 5202 is slidably located in slide bar 505 by casing 504, and third power device is third cylinder 5103,
Third cylinder 5103 is fixedly installed on pedestal 501, and 5103 one end of third cylinder is fixed together with the second grip slipper 5202.
As shown in attached drawing 2 and attached drawing 3, negative electrode tab 9 is bobbin shape or column or piece plate negative electrode tab 9.
The heat that argon arc welding electric current generates is replaced electric iron to melt tin silk by the present apparatus, by argon arc welding and soldering iron tin wire bond
It is combined together, welding effect is more preferable.
It needs to be to show that the cooperation of each main component is closed for clarity to attached drawing 3, attached drawing 4 and 5 further explanation of attached drawing
It is that some minor components are not drawn in these attached drawings, so attached drawing 3, attached drawing 4 and attached drawing 5 do not represent joint welder
Complete structure, combine the complete structure of welder with reference to attached drawing 2.
The utility model also provides a kind of joint welding method, includes the following steps:
S1: heating region tin silk being placed between welding gun and negative electrode tab；
S2: being electrified to welding gun and negative electrode tab, is melted tin silk using the heat that the electric current between welding gun and negative electrode tab generates
Change；
S3: tin silk is supplemented at the constantly fever to welding gun and negative electrode tab during tin silk melts.
The above is only the preferred embodiment of the present invention, not thereby limits the patent protection of the utility model
Range, it is all with equivalent structure transformation made by the utility model specification and accompanying drawing content, directly or indirectly it is used in it
His relevant technical field similarly includes within the protection scope of the present utility model.
Claims (9)
1. a kind of joint welder, which is characterized in that including bracket, wire feeder, welding gun and negative electrode tab, the wire feeder
It is directly or indirectly fixed on bracket, the welding gun is directly or indirectly fixed on bracket, and the negative electrode tab is directly or indirectly solid
Due on bracket, the wire feeder is used to for tin silk being delivered to the heat producing regions between welding gun and negative electrode tab, the welding gun with
Negative electrode tab is provided commonly for melting tin silk.
2. joint welder as described in claim 1, which is characterized in that the welding gun is bobbin shape welding gun, the wire feed
Device is used to for tin silk being delivered to below welding gun.
3. joint welder as described in claim 1, which is characterized in that it further include the first movement mechanism, first fortune
Motivation structure is slidably mounted on bracket, and the welding gun and negative electrode tab are mounted on the first movement mechanism, first fitness machine
Structure is for driving welding gun and negative electrode tab longitudinal and transverse direction to move.
4. joint welder as claimed in claim 3, which is characterized in that first movement mechanism includes sliding seat, peace
Dress seat and moving lever, the sliding seat are slidably mounted on bracket, and the welding gun and negative electrode tab are mounted in mounting base, described
Moving lever is installed on sliding seat, and the mounting base is fixedly installed on moving lever, the moving lever for drive installation seat to
It is mobile close to or far from the direction of sliding seat.
5. joint welder as claimed in claim 4, which is characterized in that be provided with sliding rail, the sliding on the bracket
Seat is slidably mounted on sliding rail, and the moving lever is screw rod, and the moving lever and sliding seat are cooperated by way of being threadedly engaged
Together, and moving lever is always perpendicular to the glide direction of sliding seat, and the mounting base is fixed on one end of moving lever.
6. joint welder as described in claim 1, which is characterized in that the wire feeder includes the first grip slipper, the
One power device, the second grip slipper, the second power device, third power device and pedestal, first power device are installed on
On first grip slipper, second power device is installed on the second grip slipper, and first grip slipper is fixedly installed in pedestal
On, second grip slipper is slidably mounted on pedestal, and the third power device is fixedly installed on pedestal, and the third is dynamic
Power device is for driving the second grip slipper to move on pedestal；First grip slipper is provided commonly for clamping with the first power device
Tin silk, second grip slipper and the second power device are provided commonly for tin silk from pressing from both sides at welding gun at the first grip slipper.
7. joint welder as claimed in claim 6, which is characterized in that first power device is the first cylinder, institute
Stating the second power device is the second cylinder, is respectively equipped with clamping plate, first gas on first cylinder and the second cylinder
Cylinder is for driving clamping plate and the first grip slipper collective effect to clamp tin silk, and second cylinder is for driving clamping plate and second to clamp
Seat collective effect clamps tin silk.
8. joint welder as claimed in claim 6, which is characterized in that it is provided with slide bar on the pedestal, described second
Casing is provided on grip slipper, second grip slipper is set in slide bar by cannula slide, and the third power device is
Third cylinder, the third cylinder are fixedly installed on pedestal, and third cylinder one end is fixed together with the second grip slipper.
9. joint welder as described in claim 1, which is characterized in that the negative electrode tab is bobbin shape or column or sheet
Shape negative electrode tab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920167655.6U CN209598368U (en) | 2019-01-30 | 2019-01-30 | Joint welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920167655.6U CN209598368U (en) | 2019-01-30 | 2019-01-30 | Joint welder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209598368U true CN209598368U (en) | 2019-11-08 |
Family
ID=68402835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920167655.6U Expired - Fee Related CN209598368U (en) | 2019-01-30 | 2019-01-30 | Joint welder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209598368U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109623063A (en) * | 2019-01-30 | 2019-04-16 | 长兴金润大正机械有限公司 | Joint welding method and joint welder |
-
2019
- 2019-01-30 CN CN201920167655.6U patent/CN209598368U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109623063A (en) * | 2019-01-30 | 2019-04-16 | 长兴金润大正机械有限公司 | Joint welding method and joint welder |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191108 Termination date: 20220130 |
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| CF01 | Termination of patent right due to non-payment of annual fee |