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CN-121756609-B - Umbrella bead welding device

CN121756609BCN 121756609 BCN121756609 BCN 121756609BCN-121756609-B

Abstract

The invention relates to the technical field of umbrella production equipment, in particular to an umbrella bead welding device which is used for solving the problem that different special moulds need to be replaced when products with different umbrella ribs are produced, and comprises a frame, a placing table arranged on the frame and used for placing umbrella cloth, and a welding device arranged on the frame and used for welding the umbrella beads on the umbrella cloth, wherein a rotating device used for driving the placing table to intermittently rotate is arranged between the placing table and the frame, and the rotating device comprises: the support shaft is arranged on the frame, the placing table is rotatably connected with the support shaft, the support shaft is also rotatably provided with a rotating gear, the frame is provided with a first telescopic part, the telescopic rod of the first telescopic part is provided with a rack, the rack is meshed with the rotating gear, and a unidirectional rotating device is further arranged between the rotating gear and the placing table.

Inventors

  • CAI SHANGYOU
  • CAI RONGYONG
  • Zhang Nianpo

Assignees

  • 福建舒雨伞业有限公司

Dates

Publication Date
20260505
Application Date
20260228

Claims (7)

  1. 1. The umbrella bead welding device is characterized by comprising a frame, a placing table arranged on the frame and used for placing umbrella cloth, a positioning column arranged in the middle of the placing table and corresponding to the center of the umbrella cloth, and a welding device arranged on the frame and used for welding the umbrella bead on the umbrella cloth, wherein a rotating device used for driving the placing table to intermittently rotate is arranged between the placing table and the frame; The rotating device comprises a support shaft arranged on a frame, the placing table is rotatably connected with the support shaft, a rotating gear is rotatably arranged on the support shaft, a first telescopic piece is arranged on the frame, a rack is arranged on a telescopic rod of the first telescopic piece, the rack is meshed with the rotating gear, and a unidirectional rotating device is arranged between the rotating gear and the placing table; The unidirectional rotating device comprises an inserting block, a positioning ring and positioning blocks, wherein the inserting block is arranged on a placing table in a sliding way through a sliding device, the positioning ring is arranged on a rotating gear, the positioning blocks are arranged on the positioning ring and have the same interval, a first oblique angle is arranged at one end of each positioning block, the shape of each inserting block is matched with a gap between the positioning blocks, and a second oblique angle matched with the first oblique angle is arranged on each inserting block; the second bevel angle is provided with a mounting groove, and a plurality of rollers are arranged in the mounting groove; An elastic friction layer is further arranged on one end, on which the first oblique angle is not arranged, of the positioning block, and a plurality of clamping teeth are further arranged on one end, on which the second oblique angle is not arranged, of the plugging block.
  2. 2. The umbrella bead welding device of claim 1, wherein the latch is further provided with a first rounded corner, and the elastic friction layer is provided with texture grooves for reducing the contact area with the latch when the latch is not pressed.
  3. 3. The umbrella bead welding device according to claim 1, wherein the elastic friction layer is further provided with deformation grooves at positions corresponding to the clamping teeth.
  4. 4. The umbrella bead welding device according to claim 1, wherein the sliding device comprises a linear slide rail arranged at the bottom of the placing table and a ball sliding block arranged on the linear slide rail, at least two threaded holes are formed in the plug-in block, and the plug-in block is arranged on the ball sliding block through screws.
  5. 5. The umbrella bead welding device according to claim 1, wherein the frame is further provided with a first supporting plate, the first supporting plate is further provided with a first mounting plate, the first mounting plate is provided with a second telescopic piece, a telescopic rod of the second telescopic piece is connected with a universal ball bearing, the universal ball bearing is connected with a pressing plate, and the pressing plate is provided with an avoidance groove for avoiding a positioning column.
  6. 6. The umbrella bead welding device according to claim 1, wherein the welding device comprises a second supporting plate arranged on the frame and a second mounting plate arranged on the second supporting plate, a third telescopic piece is arranged on the second mounting plate, a telescopic rod of the third telescopic piece is connected with an ultrasonic transducer, and the lower end of the ultrasonic transducer is connected with an ultrasonic welding head.
  7. 7. The umbrella bead welding device of claim 6, wherein the second support plate is further provided with a positioning plate, and the positioning plate is provided with a placement groove which is convenient to correspond to the ultrasonic welding head.

Description

Umbrella bead welding device Technical Field The invention relates to the technical field of umbrella production equipment, in particular to an umbrella bead welding device. Background In the existing umbrella manufacturing industry, the automation equipment of the umbrella bead welding procedure has the core defect of single suitability, the automatic welding machine on the market is usually specially designed for specific umbrella rib numbers, such as six bones or eight bones, the station number of the rotary indexing mechanism is fixed, when products with different umbrella rib numbers are produced, the whole indexing disc is required to be stopped and replaced or the complicated mechanical structure is regulated, even different special moulds are required to be replaced, the process is time-consuming and labor-consuming, the debugging is complicated, the production efficiency is seriously restricted, and the flexible production requirements of multiple varieties, small batches and quick-transit period cannot be met. Disclosure of Invention Therefore, in view of the above-mentioned problems, the present invention provides an umbrella bead welding device. In order to achieve the above purpose, the technical scheme of the invention is to provide an umbrella bead welding device, which comprises a frame, a placing table arranged on the frame and used for placing umbrella cloth, a positioning column arranged in the middle of the placing table and corresponding to the center of the umbrella cloth, and a welding device arranged on the frame and used for welding the umbrella bead on the umbrella cloth, wherein a rotating device used for driving the placing table to intermittently rotate is arranged between the placing table and the frame; The rotating device comprises a supporting shaft arranged on the frame, the placing table is rotatably connected with the supporting shaft, a rotating gear is rotatably arranged on the supporting shaft, a first telescopic piece is arranged on the frame, a rack is arranged on a telescopic rod of the first telescopic piece, the rack is meshed with the rotating gear, and a unidirectional rotating device is further arranged between the rotating gear and the placing table. The unidirectional rotating device is further improved in that the unidirectional rotating device comprises a plug-in block which is arranged on the placing table in a sliding way up and down through a sliding device, a positioning ring which is arranged on the rotating gear, and positioning blocks which are arranged on the positioning ring and have the same interval, a first oblique angle is arranged at one end of each positioning block, the shape of the plug-in block is matched with a gap between the positioning blocks, and a second oblique angle which is matched with the first oblique angle is arranged on the plug-in block. The further improvement is that the second bevel angle is provided with a mounting groove, and a plurality of rollers are arranged in the mounting groove. The improved structure is characterized in that an elastic friction layer is further arranged on one end of the positioning block, which is not provided with the first bevel angle, and a plurality of clamping teeth are further arranged on one end of the plugging block, which is not provided with the second bevel angle. The elastic friction layer is provided with texture grooves for reducing the contact area with the latch when the latch is not pressed. The elastic friction layer is further improved in that a deformation groove is arranged at the position corresponding to the latch. The sliding device comprises a linear sliding rail arranged at the bottom of the placing table and a ball sliding block arranged on the linear sliding rail, wherein at least two threaded holes are formed in the plug-in block, and the plug-in block is arranged on the ball sliding block through screws. The novel telescopic support is further improved in that a first support plate is further arranged on the frame, a first mounting plate is further arranged on the first support plate, a second telescopic piece is arranged on the first mounting plate, a universal ball bearing is connected to a telescopic rod of the second telescopic piece, the universal ball bearing is connected with a pressing plate, and an avoidance groove for avoiding a positioning column is formed in the pressing plate. The welding device comprises a second supporting plate arranged on the frame and a second mounting plate arranged on the second supporting plate, wherein a third telescopic piece is arranged on the second mounting plate, a telescopic rod of the third telescopic piece is connected with an ultrasonic transducer, and the lower end of the ultrasonic transducer is connected with an ultrasonic welding head. The ultrasonic welding head is further improved in that a positioning plate is further arranged on the second supporting plate, and a placing groove which is convenient to correspond