93results about How to "Meet the requirements of consistent production" patented technology

The invention discloses a front-and-back compressing and positioning device used for welding an automobile steering support reinforcing stand assembly, a head supporting seat (2) is arranged at the front end of a bottom plate (1), the top of the head supporting seat (2) is articulated with a front swing arm (3), the rear end of the front swing arm (3) is equipped with a front pressing block (5), and an upper positioning pin (6) is arranged on the front pressing block (5) in a penetrated manner; a tail supporting seat (18) is arranged at the rear end of the bottom plate (1), the top of the tail supporting seat (18) is articulated with a rear swing arm (19), a rear pressing block (21) is arranged at the bottom of a front end of the rear swing arm (19), and a rear positioning pin (22) is arranged on the rear pressing block (21) in a penetrated manner. The device is ingenious in design and reasonable in arrangement, and has a simple and compact structure, on the one hand, the device positions accurately and reliably, can lead an up-and-down reinforcing frame and a thread stand to be fixed in the welding process through a fixture, guarantees the welding quality, and meets the requirement for consistency production; on the other hand, the device reduces the working procedure effectively, is simple and quick to operate, and greatly improves the welding efficiency.

The invention discloses a device for motorcycle engine test positioning. A backing plate (10) is arranged between a bottom plate (2) and a base (1), the bottom plate (2) is connected with the backing plate (10) through two front bolts and two rear bolts, a vertical plate (3) is fixed at the rear end of the bottom plate (2), two rubber blocks (P) which are at the left and the right side by side are arranged on the top surface of the bottom plate (2), a fixed plate (4) is arranged at the front of the vertical plate (3), two first positioning pins (5) which are at an upper position and a lower position are inserted in the fixed plate (4), a movable plate (6) is arranged at the left side of the vertical plate (3), and two second positioning pins (7) are arranged at the front end of the movable plate (6). The operation of dismounting and mounting an engine is convenient and quick, the device also can ensure that the engine can be reliably positioned, so that an engine performance test is more accurate and testing efficiency is higher, the positions of positioning points can be adjusted according to the requirements of different engines, and therefore the application range is wide; the rubber blocks arranged side by side on the bottom plate can effectively prevent the engine from dropping and being injured.

The invention discloses a measuring tool for symmetry of a ball of a shift swing rod. A positioning shaft is disposed on a base plate. The upper portion of the positioning shaft is equipped with a positioning hole in a radial direction. A first supporting stand is disposed behind the positioning shaft. A lining is fixedly embedded to the first supporting stand. A positioning pin passes through the lining. The front end of the positioning pin can pass through the positioning hole. A second supporting stand is disposed on the right side of the positioning shaft. The upper portion of the second supporting stand is equipped with a through groove, the notch of the groove is sealed by a cover plate, and the cover plate is fixed to the second supporting stand through bolts. A measuring shaft penetrates the through groove. The measuring shaft is a square column and can move leftwards and rightwards. The left end of the measuring shaft is equipped with two measuring blocks front and back. The two measuring blocks are parallel and symmetrical to each other, and a detection opening is formed between the two measuring blocks. The measuring tool is ingenious in design, simple and compact in structure, is convenient to assemble, and is equipped with fewer components. Moreover, the measuring tool is easy, fast and labor-saving to operate, provides an accurate and reliable detection result, and is high in detection efficiency.

The invention discloses a pneumatic dual-air-cylinder type liner positioning mechanism of an automobile welding clamp. A piston rod of a first air cylinder is connected with the lower end of a guide column. A positioning pin is installed at the top end of the guide column. A second air cylinder is installed on a guide barrel and connected with one end of a pressing arm, and a pressing head is fixed to the bottom face of the other end of the pressing arm. A big-end-up two-section type stepped hole is formed in the center of the positioning pin, and a long countersunk bolt is arranged in the stepped hole in a penetrating manner. Mounting holes are formed in the four corners of a positioning ring, and a convex block is arranged between every two adjacent mounting holes in the circumferential direction. A connector is arranged between the guide column and the piston rod of the first air cylinder. A boss at the head of the connector is clamped into a T-shaped through slot in the lower end of the guide column. The lower end of the connector is in threaded connection with the piston rod of the first air cylinder. A connection plate is arranged between the guide barrel and the second air cylinder and is formed by stamping a steel plate. The connection plate is provided with a first plate body and a second plate body, and an obtuse angle is formed between the first plate body and the second plate body. The pneumatic dual-air-cylinder type liner positioning mechanism of the automobile welding clamp is convenient to control and flexible and reliable in running. Moreover, liner pipes can be positioned accurately and stably.

The invention discloses a method of detecting ball grooves of a waveform surface of a shift swing rod. A measuring tool comprises a base plate, a positioning shaft, a first supporting block, a lining, a positioning pin, a second supporting block, measuring blocks, and a cover plate. The method comprises the following steps: 1) sleeving the positioning shaft with a spindle sleeve of a shift swing rod, and make the first ball groove of a waveform surface of the shift swing rod face the positioning pin; 2) enabling the right end of the positioning pin to press against the first ball groove of the waveform surface; 3) controlling the first measuring block to move leftwards to check whether a clamping groove in the left end of the first measuring block can clamp a ball head; 4) controlling the positioning pin to loosen the shift swing rod so that the second ball groove of the waveform surface of the shift swing rod faces the positioning pin; 5) enabling the right end of the positioning pin to press against the second ball groove of the waveform surface waveform surface; and 6) controlling the second measuring block to move leftwards to check whether a clamping groove in the left end of the second measuring block can clamp a ball head. The method can detect the positions of the two ball grooves of the waveform surface of the shift swing rod, is simple, fast and labor-saving to operate, and provides an accurate and reliable detection result.

The invention discloses a welding fork for a stand pipe of a motorcycle. A bracket is arranged on a first positioning plate; a suspension section is arranged at the top of the bracket; a first positioning through slot is arranged at the top of the suspension section; a positioning block and a stand plate are fixed on a second positioning plate; a second positioning through slot is arranged on thetop surface of the positioning block; the second positioning through slot is arranged right below the first positioning through slot; a third positioning plate is fixed at the top of the stand plate;a quick chuck is arranged at the upper end of the third positioning plate; a connecting rod of the quick chuck is connected with the upper end of a guide post; a first positioning seat is arranged atthe lower end of the guide post; a second positioning seat is arranged right below the first positioning seat; and the second positioning seat is fixed on the second positioning plate. by the weldingfork, a direction lock block, a direction stop block and the stand post can be simultaneously positioned; on one hand, the accuracy of the positions of a scutcheon hole, the direction lock block and the direction stop block can be guaranteed; and on the other hand, the working procedures are effectively reduced, the operation is simple and convenient, and the welding efficiency is greatly enhanced.

The invention discloses a liner tube clamping mechanism for a rear axle assembly welding tool. A piston rod of a first air cylinder is connected with the lower end of a guide pillar. A locating pin is installed at the top end of the guide pillar. A second air cylinder is arranged on a guide cylinder. A piston rod of the second air cylinder is connected with one end of a pressing arm. A pressing head is fixed to the bottom face of the other end of the pressing arm. A big-end-up two-section type step hole is formed in the center of the locating pin. A long countersunk screw is arranged in the step hole in a penetrating manner. A connector is arranged between the guide pillar and the piston rod of the first air cylinder. A boss of the head of the connector is clamped in a T-shaped through groove in the lower end of the guide pillar. The lower end of the connector is in threaded connection with the piston rod of the first air cylinder. A connecting plate is arranged between the guide cylinder and the second air cylinder. The connecting plate is formed by stamping a steel plate and is provided with a first plate body and a second plate body, wherein an obtuse angle is formed between the first plate body and the second plate body. According to the liner tube clamping mechanism, control is convenient, operation is flexible and reliable, accuracy and stability of liner tube locating can be achieved, the welding quality is guaranteed, and the requirement for consistent production can be met.

The invention discloses a detection device for a breather pipe of a breather valve of an oil tank. An annular boss (1a) is arranged in the middle of a positioning column (1); a limiting arm (3) is fixed on the circumferential surface of the annular boss (1a) and is perpendicular to the circumferential surface of the annular boss (1a); a limiting hole (4) is formed at a position of the limiting arm (3) close to the annular boss (1a); a limiting block (2) is arranged below the annular boss (1a) and is tightly pressed against the cylindrical surface of the positioning column (1) and the bottom surface of the annular boss (1a); and an angle of 120 degrees is formed between the limiting block (2) and the limiting arm (3) on the circumference. By the device, the quality detection speed and accuracy of a motorcycle enterprise can be greatly improved when the oil tank is transferred into a factory, the position of the breather pipe of the breather valve on the oil tank meets the requirement, the defect caused by positional deviation of the breather pipe of the breather valve is effectively overcome, and the requirement for production compliance is met.