9results about How to "Adjustable stroke" patented technology

The invention provides a clamping jaw for automatic trimming and forming of a semiconductor, and relates to the field of sealing and testing processes of electric semiconductor integrated circuits, the clamping jaw comprises a connecting plate and a fixing plate, the bottom end of the fixing plate is fixedly provided with four linear bearings, and the bottom end of each linear bearing is fixedly connected with a guide column; the bottom ends of the four guide columns are jointly and fixedly connected with a fixed pressing plate, a parallel pneumatic claw is fixedly installed in the middle of the top end of the fixed pressing plate, the extending ends of the two sides of the parallel pneumatic claw are both fixedly connected with connecting blocks, and a gripper mechanism used for gripping a frame is fixedly installed on one side of the top end of each connecting block. The gripper mechanism comprises a first mounting frame fixedly connected to one side of the top end of the connecting block, four second mounting frames are arranged at the end, close to the parallel pneumatic claws, of the first mounting frame at equal intervals, and clamping claws are rotationally connected to the middles of inner cavities of the second mounting frames. And meanwhile, the situation of local deformation of the frame in the clamping process is also reduced.

The invention belongs to the technical field of medical instruments, and particularly relates to an endoscope and a traction mechanism and an operation handle thereof. The traction mechanism is used for pulling a traction rope and comprises a traction wheel, a fixing seat and a winding piece, the traction wheel can rotate relative to the fixing seat, the fixing seat is used for being connected with the near end of the traction rope, and the winding piece is used for winding the traction rope; the traction wheel is connected with the winding piece, and the winding piece can move in the direction close to or away from the fixing base along with rotation of the traction wheel so as to adjust the tension degree of the traction rope. The winding piece can further move in the direction close to or away from the rotating axis of the traction wheel relative to the traction wheel. When the traction mechanism is used, under the same rotation angle, the tension degree change of the traction rope is larger, so that the active bending section and other target parts rapidly reach the target position, that is, the rotation angle of the traction wheel when the target parts reach the target position can be reduced, and then finger fatigue of a surgeon and a doctor is relieved.

The utility model relates to the technical field of vibrating screens, and discloses a stroke-adjustable vibrating screen which comprises a first vibrating frame, a second vibrating frame and filter screens arranged in the first vibrating frame and the second vibrating frame. The two sides of the first vibration frame are slidably connected with the two sides of the second vibration frame, two fixing rings are symmetrically and fixedly arranged on one side of the first vibration frame, fixing bolts are inserted into the fixing rings, fixing screw holes are formed in the two sides of the bottom of the second vibration frame, and the fixing bolts are in threaded connection with the fixing screw holes. The use length of the filter screen can be adjusted, so that the vibrating screening stroke of the vibrating screen can be adjusted, the vibrating screen can be suitable for different types of materials, and the production efficiency is improved.

The utility model discloses a pattern cutting machine, and relates to the technical field of food processing equipment. The flower cutting machine comprises at least one conveying mechanism and a plurality of flower cutting mechanisms, wherein the conveying mechanism is used for conveying materials; the plurality of pattern cutting mechanisms are arranged above the conveying mechanism and arranged in the material conveying direction of the conveying mechanism, and each pattern cutting mechanism comprises a cutter assembly and a lifting mechanism used for driving the cutter assembly to move up and down; the cutter assembly comprises cutters and an ultrasonic generator used for driving the cutters to vibrate in the vertical direction, and the angles of the cutter edges of the cutters in the horizontal direction are different. A plurality of pattern cutting mechanisms are arranged, a notch in a pastry is divided into multiple times of cutting, meanwhile, an ultrasonic generator is introduced to drive a cutter to vibrate at high frequency in the vertical direction, equivalently, the pastry is cut in multiple times, pressure cannot be gradually increased along with falling of the cutter, and therefore the situation that the pastry is flattened in the downward pressing process of the cutter is avoided; and the beauty of pastry forming is ensured.

The invention discloses a canning device for medical diagnostic reagent preparation, and relates to the technical field of canning, a storage tank is fixed above the canning table, two supports which are symmetrical front and back are fixed above the canning table, and belt rollers are rotatably mounted on the two supports. According to the canning device for preparing the medical diagnostic reagent, through the arrangement of the canning suction unit, automatic suction and reagent pushing operation can be conveniently achieved, quantitative canning operation can be achieved, the stroke of a lifting plate is adjustable, then the stroke of a conveying piston can be controlled, when reagent bottles with different capacities are used for canning, the canning amount can be freely adjusted according to the use condition, and the canning efficiency is improved. The device is simple in structure and small in use limitation, the conveying belt can be pushed at equal intervals in cooperation with the synchronous pushing unit, the conveying belt does not need to be driven by an independent motor to operate, quantitative canning work and stepping conveying are conveniently combined, and uninterrupted quantitative canning operation can be achieved only through driving of one gear motor.

This invention relates to the field of flange bolt hole centering technology, specifically a device for high-precision reproduction of the center of bolt holes in thick flanges. The device includes a centering main frame that can be inserted into the bolt holes of the flange body, a target head component fixedly mounted at the top of the centering main frame, with a target center for measurement at the top center of the target head component, and a lifting component movably disposed axially inside the centering main frame. This invention provides high-precision bolt hole center coordinates, ensuring the processing accuracy of prefabricated flange pipe sections from the source, completely avoiding the occurrence of "misaligned holes" during on-site installation, improving installation efficiency, ensuring the sealing and safety of equipment connections, and reducing the huge costs and project delays caused by modifying or scrapping pipe sections.

The present invention discloses a canning device for preparing medical diagnostic reagents, including a canning platform, a storage tank is fixed on the top of the canning platform, two front-to-back symmetrical brackets are fixed on the top of the canning platform, and belt rollers are rotatably installed on the two brackets. The present invention relates to the field of canning technology. The canning device for preparing medical diagnostic reagents is convenient for realizing automatic suction and reagent pushing operations through the setting of a canning suction unit, and can realize quantitative canning operations, and the lifting plate stroke is adjustable, thereby controlling the conveying piston stroke. When using reagent bottles of different capacities for canning, the canning amount can be freely adjusted according to the usage conditions, and the use limitation is small. With the setting of a synchronous propulsion unit, the equidistant pushing of the transport belt can be realized, and no separate motor is required to drive the transport belt to operate, which is convenient for combining quantitative canning work with stepping transportation, and only one reduction motor is required to drive the uninterrupted quantitative canning operation.

The invention discloses a bare seedling planting mechanism, a self-propelled bare seedling transplanting device and a self-propelled bare seedling transplanting method, solves the problem that a bare seedling planting mechanism in the prior art is low in response speed, and has the beneficial effects of improving the response speed and improving the adaptability of bare seedlings. A crank in the crank four-bar mechanism is connected with a power source and connected with a rocker through a connecting rod, a push-pull mechanism is supported on one side of the connecting rod, the push-pull direction of the push-pull mechanism is the same as the arrangement direction of the connecting rod, the output end of the push-pull mechanism is movably connected with one ends of two pull rods respectively, and a set angle is formed between the two pull rods. The connecting rod supports the first support, the first support rotatably supports the middle sections of the two clamping finger mounting arms, one end of each clamping finger mounting arm is hinged to the other end of the pull rod, the first bent position of each clamping finger mounting arm is hinged to the first support, and the end, away from the pull rod, of each clamping finger mounting arm is connected with the corresponding planting clamping finger.

The embodiment of the present invention discloses a connecting rod type pneumatic inward stripping mechanism for a strapping machine, comprising: a movement mounting plate, a stripping seat, a stripping seat pressure plate, a swing arm pin, a grinding head pressure plate swing arm, a tooth plate, a swing arm connecting rod, a first connecting rod, a second connecting rod, a cylinder support, a stripping cylinder, a top knife rod, a top knife, a limit block and an anti-collision pad, a cylinder piston rod, a floating joint, a swing arm connecting rod, a first connecting rod, a second connecting rod and a grinding head pressure plate swing arm form a connecting rod mechanism, the cylinder piston rod pulls the grinding head pressure plate swing arm to swing right to realize stripping, and the cylinder piston rod pushes the grinding head pressure plate swing arm to move left to press the strapping tape. The present invention is simple and reliable, easy to maintain, compact in structure, small in space, uses a cylinder as a driving force, has adjustable pressure and adjustable stroke, and can be applied to a variety of different working conditions.