37results about How to "There will be no false welding" patented technology

The invention relates to a welding fixture which comprises an upper pressure plate and a lower pressure plate, wherein the upper pressure plate and the lower pressure plate comprise central positioning holes which are arranged coaxially, the lower pressure plate is provided with a tooth block positioning hole, a tooth block mounting groove is arranged on the lower surface of the lower pressure plate and the welding fixture is characterized in that a tooth block positioning screw rod and a tooth block pressure spring are mounted between the upper pressure plate and the lower pressure plate. The welding fixture is simple in structure and can always keep the fastening connection between a tooth block and the welding surface of a basal body by high-temperature welding and avoid the phenomena of looseness and poor welding.

The invention discloses a flat mask production equipment and a production method. The flat mask production equipment includes a frame, a mask roll feeding device, a pre-order processing device, an ear wire welding device, a mask cutting device, and a mask substrate conveying device The ear wire welding device and the mask cutting device are successively arranged on the frame along the conveying direction of the mask substrate; the mask substrate conveying device is arranged on the ear in the conveying direction of the mask substrate The two ends of the wire welding device are used to pull the movement of the mask base, including the first mask base conveying device and the second mask base conveying device; the first mask base conveying device includes the first conveying roller set and the first power mechanism, and the first mask base conveying device includes the first conveying roller set and the first power mechanism. The second mask substrate conveying device includes a second conveying roller set and a second power mechanism. The plane mask production equipment of the present invention can improve the accuracy and quality of ear wire welding, and is easy to expand modules to improve production efficiency.

The invention discloses a novel pressure welding system. The novel pressure welding system comprises a cleaning unit for cleaning impurities on surfaces of to-be-machined workpieces and a pressure welding unit for performing pressure welding operation on the workpieces, wherein the pressure welding unit comprises a rack, a workbench arranged on the rack, a pressure welding power arm capable of acting along the rack up and down, a pressure welding assembly connected with the pressure welding power arm, a heating structure for heating the pressure welding assembly as well as a first drive part for driving the pressure welding power arm to act up and down; the pressure welding assembly comprises a pressure welding head and a pressure dispersion part connected to the pressure welding power arm through an elastic part, and in the initial state, the pressure dispersion part is located below a pressure welding head and above the workbench. The novel pressure welding system can effectively disperse pressure applied by the pressure welding head to the workpieces, prevent workpiece deformation or damage caused by over-high pressure on to-be-welded positions and reduce the scrap rate of the workpieces; the pressure welding position is accurate and the welding quality and efficiency are improved.

The invention discloses an oil heater. A heating device (2) and a temperature controller (3) are connected to the bottom surface of a tank body (1); a groove (4) is arranged on the bottom surface of the tank body (1); the heating device (2) and the temperature controller (3) are located in the groove (4); a heat conducting plate (5) is arranged between the heating device (2) and the bottom surface of the groove (4); the shape of the heat conducting plate (5) is the same as that of the bottom surface of the groove (4); one plane of the heat conducting plate (5) is completely fitted with the bottom surface of the groove (4); and the heating device (2) and the temperature controller (3) are connected to the other plane of the heat conducting plate (5). The welding method of the oil heater comprises the following steps for welding the heating device (2) and the heat conducting plate (5): 1) preparing base solution and dry powder; 2) applying the base solution; 3) sprinkling the dry powder on the base solution; 4) turning on a soldering machine and preheating a cushion block of the soldering machine; 5) putting the heating device (2) and the heat conducting plate (5) on the cushion block; 6) pressing the heating device (2) and the heat conducting plate (5); and 7) applying gypsum paste. Compared with the prior art, the oil heater disclosed by the invention has the characteristics that the sound is lower during heating and the difference between the temperature measured by the temperature controller and the actual temperature of the oil is smaller.

The present invention relates to the technical field of COF flexible printed circuit boards, and discloses a method for smearing solder oil on COF flexible printed circuit boards, comprising the following steps: S1, firstly cleaning the COF flexible printed circuit board; S2, cleaning The final COF flexible printed circuit board is wiped with alcohol cotton ball; S3, choose the appropriate amount of solder oil, put the solder oil in a container; S4, heat the solder oil in the container; S5, heat the Then add the activator, and then continue heating; S6, stir during heating, so that the activator and solder oil are fully mixed together. The invention improves the existing smearing method, uses solder oil to process, and uses screen printing film and steel needles when smearing, so as to ensure that there will be no false soldering caused by air bubbles in the later welding process , to achieve the purpose of good soldering effect in the later stage.

The invention discloses a wire drawing and cutting device for straightening and cutting a solder strip. The wire drawing and cutting device comprises a horizontal moving device, a wire drawing device, a wire cutting device, a wire moving track and a control system, wherein the wire drawing device is arranged on the horizontal moving device; clamping claws are arranged on the wire drawing device and used for clamping the solder strip and drawing the solder strip to a specified worksite; the wire cutting device is arranged on the horizontal moving device; a cutter is arranged on the wire cutting device and used for cutting off the solder strip which is drawn out by the wire drawing device; the wire moving track is arranged inside the wire cutting device and used for providing a running passage for the solder strip; the control system is electrically connected with the wire drawing device and the wire cutting device and used for controlling the wire drawing device and the wire cutting device to move forwards and backwards on the horizontal moving device. By adopting the wire drawing and cutting device disclosed by the invention, the solder strip can be automatically straightened and cut off during a welding process of the solder strip and a battery piece, so that the welding quality and the welding frequency are improved, and relatively high automation degree is realized.

The invention discloses a micro-electrical conductor solder terminal, comprising a soldering flat part for holding a soldering electric conductor. The micro-electrical conductor solder terminal is characterized by further comprising a flexible cover plate part which is used for clamping the soldering electric conductor and is connected with the flat part, wherein the soldering flat part is provided with more than one bugles for limiting the interval between the flexible cover plate part and the soldering flat part. The micro-electrical conductor solder terminal of the invention greatly improves soldering efficiency, the key is that general soldering equipment capable of controlling pressure, time and current can be utilized if only in accordance with soldering requirements, the solder junctions after soldering are natural, plum, thick and solid; meanwhile, due to the protection of bugles on the electric conductor, the phenomena of insufficient solder and over soldering can not occur.

The invention discloses a welding process of a corrugated pipe assembly and an application device thereof. The welding process steps include: a. welding to form a master piece; b. welding to form a corrugated tube core; c. welding to form a corrugated tube; d. welding to form a corrugated tube Tube assembly; leak test. A bellows sealing device, characterized in that it includes a bellows assembly, a casing, a static ring and a moving ring, wherein: the left end of the casing is embedded in a groove surface, the static ring is arranged in a step surface, and the The moving ring is arranged close to the end face of the static ring, and the contact surface forms a sealing end face. High welding efficiency, good precision, stable elastic compensation and long service life.