CN110722801A - Ultrasonic welding equipment for edge wrapping of seat backrest - Google Patents
Ultrasonic welding equipment for edge wrapping of seat backrest Download PDFInfo
- Publication number
- CN110722801A CN110722801A CN201910855042.6A CN201910855042A CN110722801A CN 110722801 A CN110722801 A CN 110722801A CN 201910855042 A CN201910855042 A CN 201910855042A CN 110722801 A CN110722801 A CN 110722801A
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- Prior art keywords
- ultrasonic welding
- rack
- bedplate
- movable plate
- cylinder
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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
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
- B29C65/083—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations using a rotary sonotrode or a rotary anvil
- B29C65/085—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations using a rotary sonotrode or a rotary anvil using a rotary sonotrode
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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
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7841—Holding or clamping means for handling purposes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention discloses ultrasonic welding equipment for a seat back wrapping edge, which is characterized in that: the ultrasonic welding machine comprises a rack, wherein a plurality of working positions arranged in parallel are arranged on the rack, a die assembly is arranged on each working position, each die assembly comprises a top plate connected to the top of the rack and a bedplate fixed on a workbench of the rack, a guide shaft is connected between the top plate and the bedplate, a lifting cylinder is arranged on the top plate, the front end of a cylinder rod of the lifting cylinder is connected with a movable plate, a plurality of ultrasonic welding assemblies and a plurality of prepressing pressure heads are distributed on the lower bottom surface of the movable plate, and the prepressing pressure heads and the ultrasonic welding assemblies are in one-to-one correspondence; the lower die plate is arranged on the bedplate, a positioning block for positioning the backrest of the chair is fixedly arranged on the lower die plate, and the bedplate is further provided with a rotary pressing assembly for pressing a product to be welded. The beneficial effects of the invention include: the production efficiency is improved, the labor intensity of workers is reduced, and the quality of products is stable.
Description
Technical Field
The invention relates to the field of ultrasonic welding equipment, in particular to ultrasonic welding equipment for a seat back wrapping edge.
Background
Ultrasonic welding is carried out by converting 50/60 Hz current into 15, 20, 30 or 40KHz electric energy through an ultrasonic generator. The converted high-frequency electrical energy is converted again into mechanical motion of the same frequency by the transducer, and the mechanical motion is then transmitted to the welding head by a set of amplitude transformer devices which can change the amplitude. The horn transmits the received vibrational energy to the joint of the work pieces to be welded where it is frictionally converted to heat energy to melt the plastic. Ultrasound can be used not only to weld rigid thermoplastics, but also to process fabrics and films.
The automobile seat backrest edge covering material is usually made of leather or fabric, in the prior art, the seat edge covering is usually made by manual sewing or manual gluing and bonding, the production efficiency is low, the labor intensity is high, and the quality is difficult to control.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the ultrasonic welding equipment for the edge covering of the seat back, which has the advantages of simultaneous multi-station operation, high production efficiency, reduction of manual labor intensity and stable quality.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an ultrasonic welding equipment for backrest is bordured which characterized in that: the die assembly comprises a rack, wherein a plurality of working positions arranged in parallel are arranged on the rack, a die assembly is arranged on each working position, each die assembly comprises a top plate connected to the top of the rack and a bedplate fixed on a workbench of the rack, a guide shaft is connected between the top plate and the bedplate, a lifting cylinder is arranged on the top plate, the front end of a cylinder rod of the lifting cylinder is connected with a movable plate, and a guide hole matched with the guide shaft is formed in the movable plate; the movable plate vertically moves along the guide shaft, a plurality of ultrasonic welding assemblies and a plurality of prepressing pressure heads are distributed on the lower bottom surface of the movable plate, and the prepressing pressure heads correspond to the ultrasonic welding assemblies one by one; the lower die plate is arranged on the bedplate, a positioning block for positioning the backrest of the chair is fixedly arranged on the lower die plate, and the bedplate is further provided with a rotary pressing assembly for pressing a product to be welded.
Furthermore, a connecting plate used for connecting the bedplate is arranged on a workbench of the frame; the left side surface, the right side surface and the rear surface of the rack are provided with fences; the lower part of the rack is provided with an ultrasonic generator which is fixedly arranged on a steel frame below the rack workbench through an ultrasonic plate; an electric control cabinet is fixed on one side surface of the rack, and a control panel is arranged on the electric control cabinet; the front of the frame is provided with an emergency stop key and a start key corresponding to each working position, and the emergency stop key and the start key are electrically connected to the control panel.
Furthermore, the ultrasonic welding assembly comprises a gun head mounting seat and welding gun heads, the welding gun heads are arranged on the gun head mounting seat in a sliding mode, air cylinders for driving the welding gun heads to move are arranged on the gun head mounting seat, air blowing pipes are correspondingly arranged on the gun head mounting seat corresponding to the positions of the welding gun heads, and air storage tanks for supplying air to the air blowing pipes are arranged at the top of the rack.
Further, the gun head mounting seat is connected to the movable plate through an angle adjusting device, and the pre-pressing pressure head is connected to the gun head mounting seat through an L-shaped connecting plate.
Further, the angle adjusting device comprises a rotating shaft arranged on the movable plate, the rotating shaft can rotate around an axis, the rotating shaft is hinged with a flange seat, a plurality of arc-shaped grooves are annularly distributed on the flange seat, and the gun head mounting seat is connected with the arc-shaped grooves through bolts.
Furthermore, the spinning assembly comprises a spinning cylinder vertically arranged on the platen, a pressure rod is arranged at the front end of a cylinder rod of the spinning cylinder in a cantilever mode, and a pressure head is arranged at the lower end of the pressure rod.
Furthermore, limiting guide pillars are arranged on the bedplate and positioned on the left side and the right side of the lower template.
Furthermore, a locking cylinder is arranged on the top plate, the front end of a cylinder rod of the locking cylinder is connected with a locking insertion block, a locking block is connected between the front end of a cylinder rod of the lifting cylinder and the movable plate, and a hole for inserting the locking insertion block is formed in the locking block.
The beneficial effects of the invention include: the production efficiency is greatly improved, the labor intensity of workers is reduced, the stable quality of products is ensured, and the automation degree is high.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the frame structure of the present invention;
FIG. 3 is a schematic structural view of a mold assembly of the present invention;
fig. 4 is a partially enlarged view of fig. 3.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments and the accompanying drawings.
An ultrasonic welding device for the edge covering of the seat back as shown in figures 1-4 comprises a machine frame 1, wherein two parallel working positions are arranged on the machine frame 1, and a die assembly 2 is arranged on each working position. The mold assembly 2 includes a top plate 17 attached to the top of the frame 1 and a platen 19 secured to the table of the frame 1. A guide shaft 24 is connected between the top plate 17 and the platen 19. The top plate 17 is provided with a lifting cylinder 15, the front end of the cylinder rod of the lifting cylinder 15 is connected with a movable plate 26, and the movable plate 26 is provided with a guide hole matched with the guide shaft 24. The movable plate 26 is vertically movable along the guide shaft 24 by the elevating cylinder 15. A plurality of ultrasonic welding assemblies 21 and a plurality of prepressing pressure heads 27 are distributed on the lower bottom surface of the movable plate 26, the prepressing pressure heads 27 correspond to the ultrasonic welding assemblies 21 one by one, namely one ultrasonic welding head corresponds to one prepressing pressure head 27, and therefore ultrasonic welding can be more accurate. The bedplate 19 is provided with a lower template 22, the lower template 22 is fixedly provided with a positioning block for positioning a backrest, and the bedplate 19 is further provided with a rotary pressing assembly 28 for pressing a product to be welded.
The worktable of the frame 1 in this embodiment is provided with a connecting plate 14 for connecting the bedplate 19. Fences 12 are arranged on the left side surface, the right side surface and the back surface of the rack 1, and play a role in safety protection; the lower part of frame 1 is provided with supersonic generator 9, supersonic generator 9 passes through ultrasonic plate 10 fixed mounting on the steelframe of frame 1 workstation below, and supersonic generator 9 still is connected to on the ultrasonic welding subassembly 21. An electric control cabinet 4 is fixed on one side surface of the rack 1, a control panel 5 is arranged on the electric control cabinet 4, and the control panel 5 can set parameters. An emergency stop key 6 and an activation key 7 are arranged in front of the frame 1 corresponding to each working position, and the emergency stop key 6 and the activation key 7 are both electrically connected to the control panel 5 and further connected to a controller of the equipment.
As shown in fig. 4, the ultrasonic welding assembly 21 includes a gun head mounting seat 211 and a welding gun head 212, the welding gun head 212 is slidably disposed on the gun head mounting seat 211, an air cylinder for driving the welding gun head 212 to move is disposed on the gun head mounting seat 211, an air blowing pipe 213 is correspondingly disposed on the gun head mounting seat 211 corresponding to each welding gun head 212, and an air storage tank 20 for supplying air to the air blowing pipe 213 is disposed at the top of the machine frame 1.
In order to adjust different welding angles of the welding gun head 212, the gun head mounting seat 211 is connected to the movable plate 26 through an angle adjusting device 214, and the pre-pressing pressure head 27 is connected to the gun head mounting seat 211 through an L-shaped connecting plate 215. Therefore, the welding angle of the welding gun head 212 can be adjusted, and the welding adaptability is stronger. The angle adjusting means 214 includes a rotating shaft 201 provided on the movable plate 26, and the rotating shaft 201 is rotatable around an axis to adjust a horizontal rotation angle; the rotating shaft 201 is hinged to a flange seat 202, a plurality of arc-shaped grooves are annularly distributed on the flange seat 202, and the gun head mounting seat 211 is connected with the arc-shaped grooves through bolts and used for adjusting an inclination angle.
The spinning assembly 28 comprises a spinning cylinder vertically arranged on the platen 19, a pressure rod is arranged at the front end of a cylinder rod of the spinning cylinder in a cantilever mode, and a pressure head is arranged at the lower end of the pressure rod. When a worker installs a workpiece to be welded on the lower template 22, the spinning air cylinder acts to drive the pressing rod to press the workpiece.
In this embodiment, the platen 19 is provided with limiting guide posts 18 on the left and right sides, and the limiting guide posts 18 are located on the left and right sides of the lower mold plate 22. The guide posts 18 serve to limit the lowered position of the movable plate 26 and at the same time serve as a guide for the welding assembly 21.
A locking cylinder 16 is provided on the top plate 17, a locking insert is connected to a front end of a rod of the locking cylinder 16, a locking block 29 is connected between a front end of a rod of the elevating cylinder 15 and the movable plate 26, and the locking block 29 has a hole into which the locking insert is inserted. The locking structure can lock the movable plate 26 at the highest position, and prevent the safety of operators from being affected by misoperation when workers mount the movable plate.
The working principle of the device is as follows: the workman puts back backplate product in lower mould subassembly 22 earlier after, the workman presses pre-compaction start key subassembly 7 and begins the pre-compaction, rotatory compress tightly subassembly 26 and begin to press from both sides tightly the product, press start key subassembly 7 again and start back lift cylinder 15 and begin to stretch out and drive movable plate 26 wholly and be close to the product, supersonic generator 9 begins to start simultaneously, produce high frequency friction to the product work piece surface and make it generate heat, movable plate 26 is close to the product and makes pre-compaction pressure head 27 carry out the pre-compaction to the product, welding group 21 begins to weld the product after the pre-compaction, the pressurize solidification back. And returning the welding gun head 212 in the welding set 21, returning the whole movable plate 26, retracting the lifting cylinder 15 to be far away from the product, driving the movable plate 26 to recover, stopping the ultrasonic generator 9, pressing a pre-pressing switch in the control panel 5, loosening the rotary pressing assembly 28, manually taking out the product, and enabling the equipment to enter a standby state to wait for the next operation cycle.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the embodiments are only used to help understanding the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the present description should not be construed as a limitation to the present invention.
Claims (8)
1. The utility model provides an ultrasonic welding equipment for backrest is bordured which characterized in that: the die assembly structure comprises a rack (1), wherein a plurality of working positions arranged in parallel are arranged on the rack (1), a die assembly (2) is arranged on each working position, each die assembly (2) comprises a top plate (17) connected to the top of the rack (1) and a bedplate (19) fixed on a worktable of the rack (1), a guide shaft (24) is connected between the top plate (17) and the bedplate (19), a lifting cylinder (15) is arranged on the top plate (17), the front end of a cylinder rod of the lifting cylinder (15) is connected with a movable plate (26), and a guide hole matched with the guide shaft (24) is formed in the movable plate (26); the movable plate (26) vertically moves along the guide shaft (24), a plurality of ultrasonic welding assemblies (21) and a plurality of prepressing pressure heads (27) are distributed on the lower bottom surface of the movable plate (26), and the prepressing pressure heads (27) correspond to the ultrasonic welding assemblies (21) one by one; the welding machine is characterized in that a lower template (22) is arranged on the bedplate (19), a positioning block for positioning a backrest of the chair is fixedly arranged on the lower template (22), and a rotary pressing assembly (28) for pressing a product to be welded is further arranged on the bedplate (19).
2. An ultrasonic welding apparatus for seat back trim according to claim 1, wherein: a connecting plate (14) used for connecting the bedplate (19) is arranged on the workbench of the frame (1); the left side surface, the right side surface and the rear surface of the rack (1) are provided with fences (12); an ultrasonic generator (9) is arranged at the lower part of the rack (1), and the ultrasonic generator (9) is fixedly arranged on a steel frame below a workbench of the rack (1) through an ultrasonic plate (10); an electric control cabinet (4) is fixed on one side surface of the rack (1), and a control panel (5) is arranged on the electric control cabinet (4); the front of the rack (1) is provided with an emergency stop key (6) and a start key (7) corresponding to each working position, and the emergency stop key (6) and the start key (7) are electrically connected to the control panel (5).
3. An ultrasonic welding apparatus for seat back trim according to claim 1, wherein: the ultrasonic welding assembly (21) comprises a gun head mounting seat (211) and welding gun heads (212), wherein the welding gun heads (212) are arranged on the gun head mounting seat (211) in a sliding mode, air cylinders for driving the welding gun heads (212) to move are arranged on the gun head mounting seat (211), air blowing pipes (213) are correspondingly arranged on the gun head mounting seat (211) corresponding to the positions of the welding gun heads (212), and an air storage tank (20) for supplying air to the air blowing pipes (213) is arranged at the top of the rack (1).
4. An ultrasonic welding apparatus for seat back trim according to claim 3, wherein: the gun head mounting seat (211) is connected to the movable plate (26) through an angle adjusting device (214), and the pre-pressing pressure head (27) is connected to the gun head mounting seat (211) through an L-shaped connecting plate (215).
5. An ultrasonic welding apparatus for seat back trim according to claim 4, wherein: the angle adjusting device comprises a rotating shaft (201) arranged on the movable plate (26), the rotating shaft (201) can rotate around an axis, the rotating shaft (201) is hinged to a flange seat (202), a plurality of arc-shaped grooves are annularly distributed on the flange seat (202), and the gun head mounting seat (211) is connected with the arc-shaped grooves through bolts.
6. An ultrasonic welding apparatus for seat back trim according to claim 1, wherein: the spinning assembly (28) comprises a spinning cylinder vertically arranged on the platen (19), a pressure rod is arranged at the front end of a cylinder rod of the spinning cylinder in a cantilever mode, and a pressure head is arranged at the lower end of the pressure rod.
7. An ultrasonic welding apparatus for seat back trim according to claim 1, wherein: and limiting guide columns (18) are arranged on the bedplate (19) and positioned at the left side and the right side of the lower template (22).
8. An ultrasonic welding apparatus for seat back trim according to claim 1, wherein: the lifting device is characterized in that a locking cylinder (16) is arranged on the top plate (17), a locking insertion block is connected to the front end of a cylinder rod of the locking cylinder (16), a locking block (29) is connected between the front end of the cylinder rod of the lifting cylinder (15) and the movable plate (26), and a hole for inserting the locking insertion block is formed in the locking block (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910855042.6A CN110722801B (en) | 2019-09-10 | 2019-09-10 | Ultrasonic welding equipment for edge wrapping of seat backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910855042.6A CN110722801B (en) | 2019-09-10 | 2019-09-10 | Ultrasonic welding equipment for edge wrapping of seat backrest |
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| Publication Number | Publication Date |
|---|---|
| CN110722801A true CN110722801A (en) | 2020-01-24 |
| CN110722801B CN110722801B (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910855042.6A Active CN110722801B (en) | 2019-09-10 | 2019-09-10 | Ultrasonic welding equipment for edge wrapping of seat backrest |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114799473A (en) * | 2022-03-26 | 2022-07-29 | 深圳市深发源精密科技有限公司 | Ultrasonic welding control method and system and computer equipment |
| CN114799474A (en) * | 2022-04-01 | 2022-07-29 | 深圳市深发源精密科技有限公司 | Ultrasonic welding device and control method thereof |
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| CN203650970U (en) * | 2013-11-28 | 2014-06-18 | 苏州凯尔博精密机械有限公司 | Welding unit for ultrasonic welding machine |
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| CN207916089U (en) * | 2017-12-29 | 2018-09-28 | 武汉和盛汽车零部件有限公司 | A kind of plastic cover plate welder |
| CN108772621A (en) * | 2018-08-01 | 2018-11-09 | 苏州凯尔博精密机械有限公司 | A kind of ultrasonic bonding rifle of Z axis rotation tool changing |
| CN109249623A (en) * | 2018-09-04 | 2019-01-22 | 广州华智汽车部件有限公司 | A kind of motor vehicle seat back surface cover automatic wrapping machine |
-
2019
- 2019-09-10 CN CN201910855042.6A patent/CN110722801B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH680623A5 (en) * | 1990-01-08 | 1992-09-30 | Sm Engineering Ag | |
| CN203650970U (en) * | 2013-11-28 | 2014-06-18 | 苏州凯尔博精密机械有限公司 | Welding unit for ultrasonic welding machine |
| CN204160765U (en) * | 2014-09-19 | 2015-02-18 | 余姚泰速自动化科技有限公司 | A kind of ultrasonic welding machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114799473A (en) * | 2022-03-26 | 2022-07-29 | 深圳市深发源精密科技有限公司 | Ultrasonic welding control method and system and computer equipment |
| CN114799473B (en) * | 2022-03-26 | 2024-02-02 | 深圳市深发源精密科技有限公司 | Ultrasonic welding control method, system and computer equipment |
| CN114799474A (en) * | 2022-04-01 | 2022-07-29 | 深圳市深发源精密科技有限公司 | Ultrasonic welding device and control method thereof |
| CN114799474B (en) * | 2022-04-01 | 2023-12-01 | 深圳市深发源精密科技有限公司 | Ultrasonic welding device and control method thereof |
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| CN110722801B (en) | 2022-02-18 |
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