CN113665132B - Welding device - Google Patents
Welding device Download PDFInfo
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- CN113665132B CN113665132B CN202111011825.XA CN202111011825A CN113665132B CN 113665132 B CN113665132 B CN 113665132B CN 202111011825 A CN202111011825 A CN 202111011825A CN 113665132 B CN113665132 B CN 113665132B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/40—Applying molten plastics, e.g. hot melt
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/87—Auxiliary operations or devices
- B29C66/876—Maintenance or cleaning
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention discloses a welding device, which comprises a frame and a heating welding system arranged on the frame, wherein the heating welding system is provided with a driving mechanism and a rotary welding mechanism which are connected, the driving mechanism is used for driving the rotary welding mechanism to move towards a piece to be welded, and the rotary welding mechanism is used for realizing welding with the piece to be welded on a contact surface and simultaneously rotating on the contact surface. The welding device provides a rotating effect during welding, uniformly spreads the plastic in a molten state in a contact area, enlarges a molten surface, and ensures that the welding is firmer and the welding seam is flatter.
Description
Technical Field
The invention relates to the technical field of welding processing, in particular to a welding device.
Background
Welding is a manufacturing process and technique that joins metals or other thermoplastic materials, such as plastics, by means of heat, high temperature or high pressure. In the field of plastic products, due to the influence of factors such as plastic injection molding technology, part of plastic parts with complex structures cannot be molded by one-time injection molding, so that the connection between parts is required to be performed in a second process by using a welding technology.
The plastic welding devices commonly used in the market at present are divided into two types, namely ultrasonic welding and hot-melt welding. Wherein, need match suitable welding pressure, welding time, ultrasonic frequency and ultrasonic vibration just can reach the welding effect of predetermineeing when ultrasonic welding device welds, need debugging personnel to possess higher specialty literacy, and the operation is complicated, also needs structural designer to set up the ultrasonic line in advance on the working of plastics surface in addition and uses in order to follow-up welding, consequently is not applicable to some circumstances that need temporarily weld. Compared with the prior art, the hot-melt welding method is convenient to use, and has the advantages of strong applicability and convenient use by only adjusting welding time and welding pressure. However, the hot-melt welding equipment in the market mainly has the problems of uneven welding area, bad smell generated after the plastic is hot-melted firmly, and the like.
Therefore, how to provide a welding device for solving the above technical problems is a technical problem that needs to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide a welding device which provides a rotating effect during welding, uniformly spreads plastic in a molten state in a contact area, enlarges a molten surface, and ensures that welding is firmer and a welding seam is flatter.
In order to achieve the above purpose, the invention provides a welding device, which comprises a frame and a heating welding system arranged on the frame, wherein the heating welding system is provided with a driving mechanism and a rotary welding mechanism which are connected, the driving mechanism is used for driving the rotary welding mechanism to move towards a piece to be welded, and the rotary welding mechanism is used for enabling the rotary welding mechanism to rotate on a contact surface while being in contact with the piece to be welded on the contact surface.
Preferably, the heat welding system further has a heating block for heating the spin welding mechanism.
Preferably, the driving mechanism, the heating block and the spin welding mechanism are sequentially arranged downwards along the height direction, the driving mechanism is connected with the heating block, and the heating block is connected with the spin welding mechanism.
Preferably, the rotary welding mechanism is provided with a second rotary welding head fixed on the lower side of the heating block and a first rotary welding head sleeved on the lower side of the second rotary welding head, a spring is arranged between the first rotary welding head and the second rotary welding head, the first rotary welding head is provided with a limiting rod, the second rotary welding head is provided with an inclined limiting groove, and the limiting groove is used for sliding of the limiting rod.
Preferably, the welding machine further comprises an air extraction purification system arranged on the frame, and the air extraction purification system is used for sucking the smoke during welding.
Preferably, the air extraction purification system is provided with a vacuum generator and an air duct communicated with the vacuum generator, and the heating block is provided with an air suction hole communicated with the air duct.
Preferably, the air extraction purification system is further provided with a filter and a silencer, wherein the exhaust end of the vacuum generator is communicated with the silencer, the vacuum end of the vacuum generator is communicated with the filter through a first air guide pipe, and the filter is communicated with the air suction hole through a second air guide pipe.
Preferably, the air extraction purification system further comprises an air guide hollow pipe and an air guide plate, wherein the second air guide pipe is communicated with the air guide hollow pipe through an air pipe joint, the air guide hollow pipe is communicated with the air guide plate, and the air guide plate is used for fixing the heating block on the lower side and is communicated with the air suction hole.
Preferably, the heating welding system further has a pre-pressing mechanism for contacting the piece to be welded for pressing.
Preferably, the pre-pressing mechanism has a pre-pressing plate and a compression spring connected to the pre-pressing plate to achieve elastic compression.
Compared with the background art, the welding device provided by the invention comprises the frame and the heating welding system, wherein the heating welding system is arranged on the frame, and the welding operation of the to-be-welded piece is performed on the frame. The heating welding system is provided with a driving mechanism and a rotary welding mechanism, and the driving mechanism is connected with the rotary welding mechanism. The rotary welding mechanism is driven to move through the driving mechanism, so that the rotary welding mechanism moves towards the to-be-welded piece to realize welding operation; the welding operation of high-temperature heating is realized when the rotary welding mechanism is contacted with the workpiece to be welded on the contact surface. The spin welding mechanism rotates on the contact surface at the same time of contact welding. The welding device provides a rotating effect during welding, when the piece to be welded is plastic, the plastic in a molten state in a contact area is uniformly spread, and the welding is firmer and the welding seam is flatter while the molten surface is enlarged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a welding device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a heat welding system according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an embodiment of an air extraction and purification system;
fig. 4 is a schematic structural diagram of a spin welding mechanism according to an embodiment of the present invention.
Wherein:
the device comprises a 1-frame, a 2-heating welding system, a 3-air extraction purification system, a 21-driving mechanism, a 22-heating block, a 23-rotary welding mechanism, a 24-prepressing mechanism, a 31-vacuum generator, a 32-first air duct, a 33-filter, a 34-second air duct, a 35-air duct joint, a 36-air duct, a 37-air guide plate, a 38-air suction hole, a 231-first rotary welding head, a 232-second rotary welding head, a 233-spring, a 311-air inlet end, a 312-air outlet end, a 313-vacuum end and a 2311-limiting rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The present invention will be further described in detail below with reference to the drawings and detailed description for the purpose of enabling those skilled in the art to better understand the aspects of the present invention.
Referring to fig. 1 to 4, fig. 1 is a schematic structural diagram of a welding device according to an embodiment of the present invention, fig. 2 is a schematic structural diagram of a heating welding system according to an embodiment of the present invention, fig. 3 is a schematic structural diagram of an air extraction and purification system according to an embodiment of the present invention, and fig. 4 is a schematic structural diagram of a spin welding mechanism according to an embodiment of the present invention.
In a first specific embodiment, the welding device provided by the invention comprises a frame 1 and a heating welding system 2, wherein the heating welding system 2 is arranged on the frame 1, and the frame 1 provides supporting and fixing functions. The heating and welding system 2 is provided with a driving mechanism 21 and a rotary welding mechanism 23, wherein the driving mechanism 21 is connected with the rotary welding mechanism 23, the driving mechanism 21 plays a role in driving the rotary welding mechanism 23 to move, and the rotary welding mechanism 23 plays a role in heating and welding and rotating.
In this embodiment, firstly, the piece to be welded is placed on the frame 1, then the driving mechanism 21 is started, the driving mechanism 21 drives the rotary welding mechanism 23 to move towards the piece to be welded, the rotary welding mechanism 23 heats to realize welding when contacting with the piece to be welded on the contact surface, meanwhile, the rotary welding mechanism 23 also generates a certain rotation, which is equivalent to rotary wiping on the contact surface, when the piece to be welded is plastic, the plastic in a molten state in the contact area is uniformly spread, the molten surface is enlarged, and meanwhile, the welding is firmer and the welding seam is flatter.
It should be noted that, one of the core improvements of the present invention is the feeding and rotation modes during welding, namely the driving mechanism 21 and the rotation welding mechanism 23 of the heating welding system 2, and other than these, the specific principles and structures of welding are referred to in the prior art, and will not be described herein in detail.
There are various arrangements of the driving mechanism 21, including but not limited to a motor, a cylinder, and the like.
Illustratively, the driving mechanism 21 uses a cylinder as a power source, the cylinder body of the cylinder is fixed to the frame 1 directly or through a seat body, a plate body, etc., the rod body of the cylinder is connected to the spin welding mechanism 23, and the spin welding mechanism 23 is driven to move by the rod body when the rod body stretches and contracts relative to the cylinder body.
In addition to this, the heat welding system 2 has a heating block 22 for a spin welding mechanism 23.
More specifically, the welding device is a plastic welding device, and is particularly suitable for welding operation when the material of the piece to be welded is plastic.
In the present embodiment, the heating block 22 is a heating structure of the spin welding mechanism 23, and functions to heat and conduct heat. The fixed part of the rotary welding mechanism 23 is fixed with the heating block 22, when the rotary welding mechanism 23 fixed with the heating block 22 contacts with the workpiece to be welded, the plastic in the contact area of the workpiece to be welded is heated and melted, at the moment, the rotary part of the rotary welding mechanism 23 rotates on the surface of the contact area to wipe, so that the plastic in the molten state in the contact area is uniformly spread, the molten surface is enlarged, and the effects of firm welding and flat welding seam are achieved after cooling.
Illustratively, the piece to be welded is horizontally placed on the lower part of the frame 1, the heating welding system 2 is fixed on the middle upper part of the frame 1, at this time, the driving mechanism 21, the heating block 22 and the spin welding mechanism 23 are sequentially arranged downwards along the height direction, the driving mechanism 21 is connected with the heating block 22, and the heating block 22 is connected with the spin welding mechanism 23.
In this embodiment, the rod body of the cylinder drives the spin welding mechanism 23 to perform linear motion in the height direction through the heating block 22, the heating block 22 plays a role in heating a high temperature, the heating block 22 supplies heat to the spin welding mechanism 23, and the spin welding mechanism 23 realizes the contact and rotation functions.
It should be noted that, there are various arrangements of the spin welding mechanism 23, and it should be ensured that the spin welding mechanism has heat conducting and rotating characteristics, and the heat conducting material may be a specific heat conducting material, and the rotating mechanism may have a driving function or a non-driving function, which falls within the scope of the present embodiment.
Illustratively, in one specific structural form of the spin welding mechanism 23, automatic rotation upon extrusion is achieved in a form in which two spin welding heads are mated with each other.
Specifically, the spin welding mechanism 23 includes a first spin welding head 231 and a second spin welding head 232, the second spin welding head 232 is fixed to the lower side of the heating block 22, the first spin welding head 231 is sleeved on the lower side of the second spin welding head 232, and the first spin welding head 231 can be extended or retracted downward with respect to the second spin welding head 232.
On the basis, a spring 233 is arranged between the first rotary welding head 231 and the second rotary welding head 232, the spring 233 is in a compressed state, so that the first rotary welding head 231 is always in a trend state of extending downwards relative to the second rotary welding head 232, when the first rotary welding head 231 contacts with a workpiece to be welded, the first rotary welding head 231 is extruded into the second rotary welding head 232 to retract, the spring 233 applies elastic force to the second rotary welding head 232 to enable the second rotary welding head 232 to be pressed against the workpiece to be welded until extrusion is eliminated, and the spring 233 pushes the second rotary welding head 232 to extend and reset.
Further, the first rotary welding head 231 is provided with a limiting rod 2311, and the second rotary welding head 232 is provided with an inclined limiting groove for the limiting rod 2311 to slide.
In this embodiment, the arrangement direction of the heating welding system 2, the motion direction of the driving mechanism 21, and the motion direction of the spin welding mechanism 23 are all in the same direction as the height direction, in short, the spin welding mechanism 23 moves vertically, and at this time, the extending direction of the limiting slot and the vertical motion direction have inclined angles different from 0 °, 90 ° and 180 ° therebetween, so that the first spin welding head 231 extends and retracts in the second spin welding head 232 not vertically but obliquely upward and downward in compliance with the movement of the limiting rod 2311 in the limiting slot.
Specifically, the inclined limit groove is in a spiral rising shape on the whole circle of the second rotary welding head 232, and limits the penetrated limit rod 2311, so that the first rotary welding head 231 and the limit rod 2311 thereof spiral rise or fall during movement, and the first rotary welding head 231 and the second rotary welding head 232 relatively displace and simultaneously relatively rotate.
In addition, the welding machine further comprises an air extraction and purification system 3 arranged on the frame 1, wherein the air extraction and purification system 3 is used for sucking the smoke during welding.
In this embodiment, the plastic welding device further adopts the air extraction and purification system 3 on the basis of adopting the heating welding system 2, and can adopt a vacuum air extraction mode to extract gas smoke and the like generated in the welding process, so that the pollution caused by toxic and harmful gases is reduced as much as possible.
It is noted that the plastic welding device can realize automatic control of plastic welding, can ensure flatness and firmness of a welding area to the greatest extent, can ensure that peculiar smell generated during plastic welding is purified and discharged in time, and improves environmental protection and usability of the device.
The air extraction and purification system 3 is provided with a vacuum generator 31 and an air duct communicated with the vacuum generator 31, the heating block 22 is provided with air suction holes 38 communicated with the air duct, a large number of air suction holes 38 are arranged on the heating block 22, and the aperture of each air suction hole 38 is smaller.
In this embodiment, the air extraction and purification system 3 uses the vacuum generator 31 as a power source for suction, and generates negative pressure at the suction hole 38 of the heating block 22 through the air duct, so that when the heating block 22 and the rotary welding mechanism 23 thereof perform welding operation, the air smoke generated by hot melting of plastic is sucked through the suction hole 38 below the heating block 22.
Illustratively, the extraction purification system 3 further has a filter 33 and a muffler, the exhaust end 312 of the vacuum generator 31 being in communication with the muffler, the vacuum end 313 of the vacuum generator 31 being in communication with the filter 33 via the first air duct 32, the filter 33 being in communication with the suction opening 38 via the second air duct 34.
In the present embodiment, the vacuum generator 31 has an intake end 311, an exhaust end 312, and a vacuum end 313, the intake end 311 of which is connected to a gas source, the vacuum end 313 of which is connected to the filter 33 through the first gas guide tube 32, and the exhaust end 312 of which is provided with a muffler.
In a specific embodiment, the air extraction and purification system 3 further has an air guide hollow tube 36 and an air guide plate 37, the second air guide tube 34 is communicated with the air guide hollow tube 36 through an air pipe joint 35, the air guide hollow tube 36 is communicated with the air guide plate 37, and the air guide plate 37 is used for fixing the heating block 22 on the lower side and is communicated with an air suction hole 38.
In this embodiment, the air pipe joint 35 is fixed on the air guide hollow pipe 36, the air guide hollow pipe 36 is communicated with the air holes on the air guide plate 37, the air holes on the air guide plate 37 are communicated with the air suction holes 38 on the heating block 22, and sealing rings are arranged at all the communicated positions to prevent air leakage.
In addition, the heating welding system 2 has a pre-pressing mechanism 24, wherein the pre-pressing mechanism 24 is used for contacting with the workpiece to be welded for pressing.
In this embodiment, the pre-pressing mechanism 24 plays a role in pressing the piece to be welded. It should be noted that, in this embodiment, the driving mechanism 21 directly drives the air guide plate 37, and then the air guide plate 37 drives the prepressing mechanism 24 and the spin welding mechanism 23 at the lower side thereof to move, and before the spin welding mechanism 23 performs welding operation, the prepressing mechanism 24 contacts in advance to compress the workpiece to be welded, so as to ensure the accuracy and stability of the subsequent welding.
Illustratively, the pre-compression mechanism 24 may employ a compression structure having elasticity.
Specifically, the pre-pressing mechanism 24 has a pre-pressing plate and a compression spring that connects the pre-pressing plate to achieve elastic compression.
In this embodiment, the upper end of the compression spring is fixed on the lower side of the air guide plate 37, the lower end of the compression spring is fixed on the upper side of the pre-pressing plate, when the air guide plate 37 drives the compression spring and the pre-pressing plate to move downwards until contacting and extruding with the workpiece to be welded, the compression spring is stressed and compressed, the pre-pressing plate elastically compresses the workpiece to be welded under the elastic action of the compression spring, and the workpiece to be welded is compressed and fixed along with the continuous downward movement of the air guide plate 37, so that the subsequent welding effect is realized.
In a specific working process, after the workpiece to be welded is placed, the driving mechanism 21 in the heating and welding system 2 starts to push the pre-pressing mechanism 24 and the two rotary welding heads to move downwards. Firstly, the pre-pressing mechanism 24 contacts the surface of the workpiece to be welded, and as the driving mechanism 21 continues to descend, the pressure spring of the pre-pressing mechanism 24 is stressed and compressed to compress the workpiece to be welded. The second rotary welding head 232, which is then secured to the heating block 22, is brought into contact with the plastic and the plastic in the contact area begins to melt under heat. Along with the continuous descending of the driving mechanism 21, due to the structural limitation of the two rotary welding heads, along with the continuous descending of the driving mechanism 21, the spring in the second rotary welding head 232 is compressed, the first rotary welding head 231 is retracted into the second rotary welding head 232, and because the second rotary welding head 232 is provided with a spiral limit groove, and the limit rod 2311 fixed on the first rotary welding head 231 passes through the limit groove, the first rotary welding head 231 and the second rotary welding head 232 relatively displace and simultaneously relatively rotate; because the second rotary welding head 232 is completely fixed with the heating block 22 and cannot rotate, the first rotary welding head 231 starts to slowly rotate and is retracted into the second rotary welding head 232, so that the molten plastic in the contact area with the bottom of the first rotary welding head 231 is uniformly paved, the melting surface is larger, and the effect of welding is firmer and the welding seam is flatter after cooling. Simultaneously, when the driving mechanism 21 pushes the rotary welding head to reach the welding position to start welding, the air extraction and purification system 3 starts to extract air and purify, when the high-temperature welding head is in contact with plastic, the plastic melts to generate air smoke, at the moment, the air inlet end 311 of the vacuum generator 31 is communicated with an air source, the vacuum end 313 of the vacuum generator 31 starts to generate negative pressure, and the air suction hole 38 of the heating block 22 finally connected with the vacuum generator starts to suck air, so that the air smoke generated by the plastic hot melting is sucked through the air suction hole 38 below the heating block 22, then is conveyed to the air guide hollow tube 36 communicated with the air suction hole through the air passage in the air guide plate 37, finally is conveyed to the filter 33 through the second air guide tube 34 connected to the air tube joint 35 at the upper end of the air guide hollow tube 36, and is discharged after being filtered and purified. After the set time is reached, the driving mechanism 21 is pushed to move upwards, and the welding piece is taken out to finish the welding,
It should be noted that in this specification relational terms such as first and second are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The welding device provided by the invention is described in detail above. The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (8)
1. The welding device is characterized by comprising a frame (1) and a heating welding system (2) arranged on the frame (1), wherein the heating welding system (2) is provided with a driving mechanism (21), a heating block (22) and a rotary welding mechanism (23), the driving mechanism (21) is connected with the heating block (22), the heating block (22) is connected with the rotary welding mechanism (23), the driving mechanism (21) is used for driving the rotary welding mechanism (23) to move towards a piece to be welded, the heating block (22) is used for heating the rotary welding mechanism (23), and the rotary welding mechanism (23) is used for enabling the piece to be welded to be in contact with a contact surface and simultaneously rotating on the contact surface;
the rotary welding mechanism (23) is provided with a second rotary welding head (232) fixed on the lower side of the heating block (22) and a first rotary welding head (231) sleeved on the lower side of the second rotary welding head (232), a spring (233) is arranged between the first rotary welding head (231) and the second rotary welding head (232), the first rotary welding head (231) is provided with a limiting rod (2311), the second rotary welding head (232) is provided with an inclined limiting groove, and the limiting groove is used for sliding of the limiting rod (2311).
2. Welding device according to claim 1, characterized in that the drive mechanism (21), the heating block (22) and the spin welding mechanism (23) are arranged in sequence downwards in the height direction.
3. Welding device according to claim 1 or 2, further comprising a suction and purification system (3) arranged to the frame (1), the suction and purification system (3) being adapted to suck in fumes during welding.
4. A welding device according to claim 3, characterized in that the suction and purification system (3) has a vacuum generator (31) and an air duct communicating with the vacuum generator (31), and the heating block (22) is provided with an air suction hole (38) communicating with the air duct.
5. Welding device according to claim 4, characterized in that the suction and purification system (3) further has a filter (33) and a muffler, the exhaust end (312) of the vacuum generator (31) being in communication with the muffler, the vacuum end (313) of the vacuum generator (31) being in communication with the filter (33) via a first air duct (32), the filter (33) being in communication with the suction opening (38) via a second air duct (34).
6. Welding device according to claim 5, characterized in that the suction and purification system (3) further has an air guide hollow tube (36) and an air guide plate (37), the second air guide tube (34) being connected to the air guide hollow tube (36) by means of an air pipe connection (35), the air guide hollow tube (36) being connected to the air guide plate (37), the air guide plate (37) being provided for the heating block (22) to be fixed to the underside and being connected to the suction hole (38).
7. Welding device according to claim 1 or 2, characterized in that the heating welding system (2) also has a pre-pressing mechanism (24), which pre-pressing mechanism (24) is intended to be brought into contact with the piece to be welded for pressing.
8. Welding device according to claim 7, characterized in that the pre-compression mechanism (24) has a pre-compression plate and a compression spring connecting the pre-compression plate for achieving elastic compression.
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| CN202111011825.XA CN113665132B (en) | 2021-08-31 | 2021-08-31 | Welding device |
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| CN202111011825.XA CN113665132B (en) | 2021-08-31 | 2021-08-31 | Welding device |
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| CN113665132B true CN113665132B (en) | 2023-07-14 |
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| DE102008016818A1 (en) * | 2008-04-01 | 2009-10-08 | Fischer Kunststoff- Schweißtechnik GmbH | Mobile friction welding head, for use e.g. in construction, vehicle, shipbuilding and aircraft industries, can be moved independently of position of workpiece and has connecting system allowing it to be fixed and stabilized during welding |
| EP3184282A1 (en) * | 2015-12-21 | 2017-06-28 | Airbus Operations GmbH | A welding system |
| CN108357112A (en) * | 2017-05-22 | 2018-08-03 | 深圳市友通塑焊机械有限公司 | A kind of precise plastic welding equipment |
| CN209953957U (en) * | 2019-01-29 | 2020-01-17 | 广州市裕达电子有限公司 | Flexible welding device |
| EP3789159A2 (en) * | 2019-08-27 | 2021-03-10 | Bergader Privatkäserei GmbH | Pipe welding device |
| CN113246477A (en) * | 2019-10-21 | 2021-08-13 | 桑关祥 | Pistol type welding gun equipment and use method thereof |
| CN211616653U (en) * | 2019-12-18 | 2020-10-02 | 广西东澄电子塑胶有限公司 | Ultrasonic welding device |
| CN111299806A (en) * | 2020-04-14 | 2020-06-19 | 江苏磐一智能装备有限公司 | A synchronous back pressure friction stir welding system |
| CN213648715U (en) * | 2020-10-16 | 2021-07-09 | 郑州冉晨医疗器械有限公司 | Mask ear belt buckle welding device |
| CN213937730U (en) * | 2020-12-01 | 2021-08-10 | 深圳市海浦蒙特科技有限公司 | Grounding device, frequency converter and industrial equipment |
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| CN113665132A (en) | 2021-11-19 |
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