47results about How to "With snap back feature" patented technology

The invention relates to a mechanical plate shearing machine, in particular to a mechanical plate shearing machine utilizing a swing guide rod mechanism. The structure is that a cover plate is fixedly installed at the upper end of a lateral support I and a lateral support II of the plate shearing machine. T-shaped supports are symmetrically installed at two ends on the lower side of the cover plate, the upper ends of the T-shaped supports are fixed with the cover plate, and the lower ends of the T-shaped supports are sleeved on two sides of a spindle in empty mode. Execution mechanisms are symmetrically installed on the spindle section between the lateral support I and one T-shaped support and between the lateral support II and the other T-shaped support. The mechanical plate shearing machine has the advantages of being novel in structure, convenient to modify, low in cost, safe, good in economy and safety and the like, thereby being a novel mechanical plate shearing machine integrating economy and practicability.

The invention discloses an express package automatic packaging machine. Package consumes time and labor in modern logistics, so the express package automatic packaging machine is an urgent demand of people. The express package automatic packaging machine comprises a bag conveying device, a clamping manipulator device, a delivery device and a conveying device. Delivery address codes and receiving address codes are manually input, and the clamping manipulator device takes bags from the bag conveying device and is matched with the conveying device to open the months of the bags; the delivery device drives a push rod to push goods into the express bags by means of a crank rocker and rocker slider combination mechanism; packaged express packages are conveyed into a weighing module by the conveying device after the bags are pressed on heating wires by a pressing strip of the clamping manipulator device for hot sealing; according to weight, delivery addresses and receiving addresses, a control module is in communication with a printer to print and output waybills. By means of the machine, the whole express package packaging process is highly automatic, and time and labor are saved.

The present invention involves a high efficient synthesis jet driver that can produce high efficient synthesis jet by changing the up-down periodic time of driving signal. The driver includes the control system and implements system. The control includes micro-computer, A / D converter card, PLC programmable logic controller. The implement system includes servo motors, the heart crank mechanism, vibrator, and cavity. The control system produces a high drive signal and control and monitors the work of driver. The implement system receives the order that the control system brings up and work according to the order. The introduction of PLC programmable logic controller that can control the operation of electric engine in the control system make the centering crank structure hurry convolution character and shorten the jet blowing process and lengthen the air-breathing process to produce high efficient synthesis jet.

The invention provides a feeding device for a corrugated plate and belongs to the technical field of metal formation. The feeding device for the corrugated plate comprises a guide rail, a conveying plate and two groups of stepping feeding drive components, wherein the two groups of stepping feeding drive components are connected with a first support lug and a second support lug respectively; a camshaft of each stepping feeding drive component is arranged in a chute formed in the upper end of a first connecting rod; a roller is rotationally arranged at the middle end of each first connecting rod and is also clamped in a cam groove; the lower end of each first connecting rod is hinged to the left end of a lever; the middle end of each lever is hinged to a rack through a pin shaft; the right end of each lever is hinged to the lower end of a second connecting rod; the upper ends of the second connecting rods are hinged to the first support lug and the second support lug respectively; one end of a crank is connected with the corresponding camshaft; a sliding block is arranged on each second connecting rod in a sliding manner; and a sliding block rod is fixedly arranged on one side of each sliding block and is hinged to the other end of the corresponding crank. According to the feeding device for the corrugated plate, the corrugated plate is smoothly fed, the structure is reasonable, the idle stroke also has the quick-return characteristic, and the feeding efficiency is greatly improved.

The invention provides a multi-size automatic steel pipe cutting machine. The multi-size automatic steel pipe cutting machine comprises a bottom plate, an upper plate, a conveying support, a first unthreaded shaft, a lead screw sliding table, a lead screw, a storage bin, a second unthreaded shaft, a pipe blocking support, a first feeding support, a second feeding support, a swing cutting unit, a feeding unit, a third servo motor, a first feeding supporting plate, a second conveying belt, a second feeding supporting plate, a feeding unit, a grabbing unit and the like; the grabbing unit is usedfor rapidly and accurately taking and feeding, the feeding units are uniformly distributed on the circumference of the steel pipe to accurately position the steel pipe, and the swing cutting unit cancontinuously and efficiently cut the steel pipe. The multi-size automatic steel pipe cutting machine greatly improves the machining efficiency of material machining, and liberates the labor force.

The invention discloses a novel propelling mechanism with a quick-return characteristic and relates to a four-rod mechanism. The novel propelling mechanism with the quick-return characteristic comprises a machine frame, a motor, a lower disk, a connection rod slider, a first guide rail, a pushing claw, a first gear, a second gear, a propelling rack, a rotating rack and an upper disk. The motor is fixedly connected with the machine frame; a motor rotating shaft is connected with the lower disk; the rotating rack is fixed to the connection rod slider; one end of the connection rod slider is connected with the lower disk; the other end of the connection rod slider is installed on the guide rail, moves on the guide rail and meanwhile rotates along with the lower disk; the guide rail is fixed to the upper disk so that the guide rail can run around the circle center of a simultaneous gear; the first gear is engaged with the rotating rack; the first gear and the second gear are connected through a rotating shaft; the shaft is provided with the upper disk which is located between the first gear and the machine frame; the second gear is engaged with the propelling rack, and the propelling rack slides on a second guide rail through a slider; and the second guide rail is fixedly connected with a support which is fixedly connected with the machine frame, and a propelling gear is fixedly connected with the pushing claw.

The invention relates to a common braking device for a driverless automobile and an operation method. The device comprises a steering engine which provides power for a braking device, the braking device comprises a ratchet mechanism and a four-rod mechanism, and the ratchet mechanism comprises a ratchet, a pawl and a ratchet disc; the four-rod mechanism comprises a guide rod and a braking pedal, the steering engine drives the ratchet to clockwise rotate, and the pawl in contact with the ratchet is locked and drives the ratchet disc to clockwise rotate, the clockwise rotation of the ratchet disc drives the guide rod to move left and right, reciprocating swing of the braking pedal connected with the guide rod is achieved, and braking is completed. According to the common braking device for the driverless automobile, an ABS of an original vehicle does not need to be changed, an unmanned braking system is arranged on the braking pedal for simulating action of manned driving braking, the braking conversion cost of the driverless automobile is lowered, and the device is suitable for automobiles of different vehicle types and has certain commonality.

The invention provides a double-drive quick-return reciprocating turnover movement mechanism and an automatic cooking robot. The double-drive quick-return reciprocating turnover movement mechanism comprises a fixed frame, a rocking rod, an eccentric connecting rod, a pot body, a connecting rod, a crank and a transmission structure; the rocking rod and a first end of the crank are respectively connected with the fixed frame rotatably, the first end of the connecting rod is rotatably connected with the second end of the rocking rod, and the second end of the connecting rod is rotatably connectedwith the second end of the crank; the transmission structure is arranged between the first end and the second end of the rocking rod, the first end of the eccentric connecting rod is in driving connection with the transmission structure, and the second end of the eccentric connecting rod is connected with the pot body; the eccentric connecting rod is driven by a motor and the transmission structure to rotate, and the crank is directly driven by the motor to rotate. The robot utilizes a crank rocking rod mechanism, is simple in structure, can reciprocate circularly, has a quick return characteristic, can make a pot reciprocate along a complex track through a double-driving connecting rod, and can highly simulate pot tossing and dish pouring motions of chefs.

The invention provides a crushing and screening integrated machine. A rack, a fixed jaw, a first movable jaw and a second movable jaw are included. A first toggle plate is arranged between the first movable jaw and the second movable jaw. A crushing cavity is formed between the fixed jaw and the first movable jaw, and a discharging port is formed in the lower portion of the crushing cavity. A first screen frame and a second screen frame are arranged at the lower portion of the first movable jaw and the lower portion of the second movable jaw correspondingly. The first screen frame moves alongwith the first movable jaw and is located below the discharging port and used for bearing and screening ore falling down from the crushing cavity. The second screen frame moves along with the second movable jaw, the first screen frame and the second screen frame are arranged in a suspension manner, the height of the first screen frame is larger than that of the second screen frame, and the secondscreen frame is used for bearing and screening the ore screened through the first screen frame. According to the crushing and screening integrated machine, through the arrangement of the two movable jaws and the two screen frames, secondary crushing and secondary screening of the ore are achieved, the screen frames are directly arranged at the lower portions of the movable jaws, a power device ofa vibrating screen is removed, and a crushing production line is further optimized.

The invention provides a curved conveying mechanism based on a flexible automatic packaging machine of fragile cup series products. The curved conveying mechanism comprises an outer frame as well as a crank and rocker mechanism and a crank and slider mechanism which are mounted on the outer frame, wherein the crank and rocker mechanism is located behind the crank and slider mechanism; the slider and rocker mechanism comprises a driving motor, a driving wheel, a driven wheel, a first synchronous belt, a first rotating shaft, a crank, a first connecting rod and a rocker, the crank and slider mechanism comprises a large belt wheel, a second rotating shaft, a small belt wheel, a third rotating shaft, a second synchronous belt, a second crank, a second connecting rod, a slider, a horizontal bearing block provided with a bearing as well as a vacuum suction cup, the right end of the second connecting rod penetrates through the slider to be fixedly connected with the vacuum suction cup, and a sliding pair is formed between the second connecting rod and the slider. The curved conveying mechanism based on the flexible automatic packaging machine of the fragile cup series products is efficient and rapid, can be suitable for different sizes, is simple in structure, realizes continuous work and saves labor and cost.

The invention discloses an injury-reduced buffer fish way suitable for emergency flood discharge and a buffer method. The buffer fish way comprises a fish way body, wherein a migration channel is formed in the fish way body; one end of the fish way body is rotationally connected with a fixed base, and the other end is rotationally connected with a counterweight floating dock; and a plurality of buffer plates capable of swinging are hinged into the migration channel. In addition, the invention further discloses the corresponding buffer method. The injury-reduced buffer fish way can reduce the potential energy of flood and the impact force on fishes, effectively prevents the phenomenon of injury of the fishes in the fish way easily caused by violent impact of the flood in flood discharge of a gate dam, and is higher in fish protecting effect.

The present invention discloses a two-speed swing-type breast cancer postoperative rehabilitation training device and a use method thereof. The two-speed swing-type breast cancer postoperative rehabilitation training device comprises a lower box body, an upper box cover, a motor fixed shell, a vertical column, a vertical column rear end cover, a rotating disk, insert holes, hand shanks, a controlpanel, a two-speed swinging groove wheel, a slow-stroke gear, a slow-stroke stir pin, a fast-stroke stir pin, a fast-stroke gear, a drive shaft, an anti-thrust bearing, a groove wheel shaft, a transmission shaft, an oscillating driving motor, a rotation driving motor, a coupling, a vertical column front end cover and a deep trench ball bearing. The two-speed swing-type breast cancer postoperativerehabilitation training device can realize three working modes, namely, an oscillating motion in a horizontal plane, a rotation motion in a vertical plane and a combined motion of the oscillating motion and the rotation motion, and each working mode can be independently performed. The two-speed swing-type breast cancer postoperative rehabilitation training device is suitable for repeated exercisetraining of arms and shoulder joints of breast cancer patients after operation. An arm movement can avoid breast cancer postoperative wound adhesion and promote blood and lymphatic fluid reflux.

The invention provides a crushing pair with a sieve frame, and belongs to the technical field of mining machinery. The crushing pair includes a fixed jaw and a movable jaw. A crushing cavity is formedbetween the fixed jaw and the movable jaw. The movable jaw gets close to or away from the fixed jaw under the driving of a driving device to crush ore material. The bottom of the crushing cavity is provided with a discharge port. A connecting arm is installed at the lower part of the movable jaw. The sieve frame is installed at the lower end of the connecting arm, is located below the discharge port, and capable of receiving the ore material falling from the crushing cavity. In the invention, the sieve frame is directly installed at the lower part of the movable jaw, and the sieving can be completed without an additional power device, which reduces the manufacturing and operating costs of the crushing pair and simplifies a crushing production line.

The invention relates to a magnetic abrasive smashing and screening device which comprises a bottom plate, a supporting base, a crushing device, an abrasive particle conveying device and an abrasive particle screening device. The supporting base is arranged on the bottom plate, and the crushing device is arranged on the supporting base; the abrasive particle conveying device is arranged below the crushing device, and the abrasive particle screening device is arranged on one side of the abrasive particle conveying device; and the crushing device is used for crushing magnetic abrasive to be machined, and the crushed abrasive particles are conveyed to the abrasive particle screening device through the abrasive particle conveying device for screening. The device is simple in structure and high in practicability, and the crushing device has the quick-return characteristic; the crushing effect is better, and crushing of the abrasive and screening of the abrasive particles are integrated; and the production efficiency of the abrasive particles is remarkably improved.

The invention discloses a water chestnut grading and automatic boxing device, particularly relates to the technical field of fruit boxing equipment, and comprises a rack, a vibration grading assembly, three collecting assemblies and three weighing control assemblies. Power is provided for the sieve plate through the vibration grading assembly, so that the sieve plate has the quick-return characteristic, accumulation of water chestnuts can be effectively reduced, the advancing speed of the water chestnuts is increased, the water chestnuts are not prone to being clamped in the hole diameter, the grading rate is increased, and quick screening of the water chestnuts of different sizes can be achieved through the three screening areas; according to the automatic water chestnut packaging machine, the size difference between subsequent finished water chestnuts is reduced, under the cooperation of the weighing control assembly, the automatic water chestnut weighing and packaging effect is achieved, labor is greatly saved, all levels of water chestnuts are directly sold according to boxes, collision damage caused by secondary water chestnut weighing and packaging is reduced, and the water chestnut packaging efficiency is improved. According to the equipment, the water chestnuts are graded according to apertures with different diameters, the problem that the water chestnuts need to be subpackaged and weighed again after being graded by a common grader is solved, and the use effect is good.

A bionic flapping wing aircraft imitating butterfly wings belongs to the technical field of aircrafts and is characterized in that a motor in the bionic flapping wing aircraft is connected with a secondary gear reducer, flapping wing movement is realized on the basis of the quick return characteristic of a crankshaft plate sliding groove mechanism, and the front end of a driving mechanism is meshed through incomplete tooth surfaces, so that left and right flapping wing movement symmetry and flight stability are realized; a single steering engine is adopted to control the direction of the empennage, the structure can be greatly simplified while control is guaranteed, the weight of the whole aircraft is reduced, and flight control has operability by additionally designing winglets; bionic butterfly wings with large-area flexible wings are selected on the wing structures to generate enough lift force; the flapping wing frequency can be changed through information of sensors such as the fixed-height module, so that tasks such as fixed-height flight are achieved, and the flapping wing device has the advantages of being light in structure, simple and reliable in transmission and stable in flight.

The invention discloses a lower aeration type ceramic photocuring forming machine which comprises a rack, a trough, a projector, a printing platform, a lifting motor, a controller, and a moving mechanism. The trough is provided with a material cavity provided with an upward cavity opening and used for holding photocuring liquid; the controller is electrically connected with the lifting motor and the projector, and controls the lifting motor to drive the printing platform to move; the moving mechanism comprises a rotary shaft, a crank, a connecting rod, a sliding plate, and a driver used for driving the rotary shaft to rotate and electrically connected with the controller; the driver drives the sliding plate to slide to a covering position for covering a light-transmitting area or expose out of a reset position of the light-transmitting area through the crank and the connecting rod; the light-transmitting area is arranged on the bottom part of the trough; the printing platform is located right above the light-transmitting area; and a light produced by the projector penetrates through the light-transmitting area so as to be irradiated into the material cavity. The precipitation of the photocuring liquid is prevented, the mechanical property and the printing accuracy of a ceramic product are ensured, and the normal service life of the projector is ensured.