387results about How to "Short trip" patented technology

The invention discloses a low-vibration long-service-life rotary split type Stirling cryocooler, relates to the technical field of cryocoolers, and aims to solve the technical problems that reciprocating movement of a single compression piston has rotary inertia force, and a connecting rod in the single compression piston swings during movement, so that large vibration is generated. Comprising a compressor body and an expansion machine body which are arranged in a split mode. The motion states of the two compression pistons can be the same all the time through the symmetrical centering crank sliding block mechanisms which are completely equal in size and weight, then the momentum of the compressor is balanced, and finally reciprocating and rotating inertia force of the crank sliding block mechanisms is completely eliminated, and only extremely small vibration is generated. And a compressor is assisted to generate periodic pressure wave driving, and a gas spring is formed by using a dynamic seal, so that the discharger and the gas spring supported by the discharger form a forced vibration system, the formed damping force can generate a proper phase difference, and finally, an effective refrigeration effect is generated.

The invention belongs to the technical field of face gear machining, and discloses a face gear grinding device and method. The stand column mechanism is vertically arranged on the rear side of the lathe bed mechanism, and the workbench is horizontally arranged on the front side of the lathe bed mechanism. The stand column mechanism and the workbench can horizontally move on the lathe bed mechanism, and the moving direction of the stand column mechanism is perpendicular to the moving direction of the workbench. The spindle mechanism is vertically and movably arranged on the front side of the stand column mechanism, and the grinding wheel is arranged at the front end of the spindle mechanism. The workpiece headstock mechanism is installed at the first end of the workbench, and a face gear to be machined is assembled on the side face of the workpiece headstock mechanism. The workpiece headstock mechanism is used for clamping and driving a face gear to be machined to rotate. The finishing mechanism is installed at the second end of the workbench. The finishing roller is installed on the top end side face of the finishing mechanism. The finishing mechanism is used for driving the finishing roller to realize horizontal rotation or vertical rotation; the stroke of each moving shaft is short, the operation time is short, and the finish machining requirement of the face gear is met.

The split type heating cover comprises a preheating cover and a heat collecting cover, the preheating cover is horizontally arranged in the front-back direction, the heat collecting cover is obliquely arranged on the rear side of the preheating cover in a front-high and rear-low mode, the front side, the rear side and the lower side of the preheating cover are open, the front side and the lower side of the heat collecting cover are open, and the rear side edge of the preheating cover is hinged to the front side edge of the heat collecting cover through a hinge. Smoke exhaust ducts are arranged on the left side and the right side in the preheating cover in the front-back direction respectively, a plurality of heating pipes are installed between the two smoke exhaust ducts and in the heat collecting cover at intervals in the front-back direction, smoke inlets are formed in the connecting positions of the heating pipes and the smoke exhaust ducts, and smoke exhaust ports are formed in the left front side and the right front side of the preheating cover respectively. The two smoke exhaust ports are respectively communicated with the two smoke exhaust ducts, and are connected with a main smoke exhaust pipe of the foaming furnace through hoses. According to the utility model, the time for pulling out the head is short, the idle time can be reduced, the flue gas escape condition is avoided, and the fire accidents are avoided.

The invention discloses a double-main-shaft tool turret machine tool, which belongs to the technical field of machining, and is characterized in that the double-main-shaft tool turret machine tool comprises a base, a main shaft seat and a power tool turret, the main shaft seat is rotatably provided with a main shaft main body, and the end part of the main shaft main body is provided with a clamp for clamping a workpiece. The base is provided with a first linear driving module and a second linear driving module, the first linear driving module and the second linear driving module are both used for driving the power tool turret so that a tool on the power tool turret can be close to or away from a workpiece on the clamp, the first linear driving module is located on one side of the spindle seat, and the second linear driving module is located on the other side of the spindle seat. The first linear driving module drives in the axis direction of the main shaft body, the driving direction of the first linear driving module is relatively perpendicular to the driving direction of the second linear driving module, and the machine tool is compact in structure, high in space utilization rate and capable of effectively reducing occupied space and shortening the moving stroke of a tool.

The invention relates to the technical field of compressors, and discloses an air cylinder assembly and a compressor. The air cylinder assembly comprises a first air cylinder, a second air cylinder and a flow dividing channel. The first cylinder includes an intake passage having an intake port and an exhaust port. The second air cylinder and the first air cylinder are coaxially arranged. The shunting channel is arranged on the first cylinder and the second cylinder. One end of the shunting channel is a shunting inlet and is communicated with the air inlet channel, and the other end of the shunting channel is a shunting outlet and is positioned on the inner wall of the second cylinder. The axial size of the first air cylinder is larger than that of the second air cylinder. Air enters the air inlet channel through the air suction port and then is shunted, enters the first air cylinder through the air outlet and enters the second air cylinder through the shunting channel. According to the compressor, the axial size of the first air cylinder is larger than that of the second air cylinder, the diameter of the air suction port can be increased, the air inlet sectional area can be increased, the air suction amount during high-frequency operation of the compressor is improved, and the air suction efficiency is improved.

The utility model relates to the technical field of agricultural machinery, in particular to a grain unloading mechanism and a corn harvester, which comprise a cluster box, a support, a lifting mechanism and a conveyor belt assembly, the ear box is rotationally installed on a support through a hinge piece, a lifting mechanism is arranged on the support, and the output end of the lifting mechanism is connected with the ear box and used for driving the ear box to be lifted and turned over; a grain unloading surface is arranged in the ear box, and a conveying belt assembly capable of assisting grain unloading is arranged on the grain unloading surface. The lifting time of the cluster box can be shortened, the working efficiency is improved, and the problem that clusters are difficult to dump under the condition that the humidity of the clusters is high or the number of stalks is large can be solved.

The utility model discloses a bead feeding mechanism capable of clamping and feeding various embroidery beads, which comprises a base and a bead pulley, and the bead feeding pulley is provided with an elastic bead feeding clamp capable of advancing to a bead embroidering position or retreating to a bead receiving position under the driving of the bead feeding pulley. The front end of the elastic bead feeding clamp is provided with a jaw which can be folded or unfolded under the combined action of friction force between the bead feeding pulley and the base and friction force between the elastic bead feeding clamp and the base, the bead feeding mechanism capable of clamping and feeding various embroidery beads further comprises a bead guide block, and the bead guide block is located above the elastic bead feeding clamp and hinged to the base. A front bead guide hole and a rear bead guide hole are formed in the bead guide block, the base is provided with a driving mechanism which drives the bead guide block to rotate with the hinge point as the axis so as to switch the positions of the front bead guide hole and the rear bead guide hole, and when the elastic bead feeding clamp retreats to the bead receiving position, the jaw is opened and aligned with the front bead guide hole or the rear bead guide hole. And a bead blocking plate is arranged between the bead guide block and the elastic bead feeding clamp. The utility model has the advantages of simple structure, smaller stroke, higher speed and better stability.

The utility model provides an electromagnetic valve. The electromagnetic valve comprises a valve seat, a sliding block and core iron. Wherein the valve seat is provided with two channels and is arranged between the inlet connecting pipe and the outlet connecting pipe. The sliding block is arranged on the valve seat in a sealed mode, and the core iron drives the sliding block to slide to switch blocked channels. The channel includes a first sub-channel and a second sub-channel. When the sliding block is used for blocking the second sub-channels and no leakage exists between the sliding block and the second sub-channels, the minimum distance value needed by the outer edge of the sliding block blocking face and the inner side walls of the second sub-channels is the sliding block outer side sealing width H, the distance of the limiting position of vertical movement of the core iron is the core iron stroke G, the width of the two second sub-channels in the sliding block movement direction is J, and G is larger than or equal to H + J; the distance between the center lines of the two second sub-channels in the moving direction of the sliding block is F, the size of the blocking face in the moving direction of the sliding block is T, and T is smaller than or equal to F + H and larger than or equal to J + 2H. Switching of the fluid channels is achieved through sliding of the sliding block along the surface of the valve seat, large switching pulling force is not needed, and the stroke of the core iron needed for switching of the fluid channels is short.

The utility model discloses a movable fixed tray for a chip mounter, which comprises an operation table, a front rail module is arranged above the operation table, a rotating wheel is arranged on the inner side of the front rail module, a transmission belt for transmission is arranged on the surface of the rotating wheel, a driving rotating wheel is arranged below the rotating wheel, and a movable fixed tray is arranged on the lower side of the driving rotating wheel. The center line of the driving rotating wheel is connected with a driving motor, a middle rail module is installed at one end of the front rail module, and a rear rail module is installed at the end, away from the front rail module, of the middle rail module. The feeding disc is fixedly connected with the dragging plate, the dragging plate and the sliding rail form a sliding structure through the card pushing base, the dragging plate drives the feeding disc to be close to the middle rail module, the conveying direction of the middle rail module and the moving direction of the dragging plate are perpendicular to each other, and the feeding disc moves along the Y axis and the X axis respectively and then is close to the position of a PCB. The feeding distance and the grabbing stroke of the manipulator are shortened, and the production efficiency of PCBs is improved.

The utility model relates to a packaging box feeding mechanism which comprises a storage rack, a feeding mechanism, a feeding mechanism and a discharging mechanism. A plurality of packaging boxes are stacked on the storage rack. The conveying line is arranged on one side of the storage rack; the jacking module is arranged at the bottom of the storage rack and is suitable for driving the multiple packaging boxes to ascend and descend; a clamping module; after the clamping module clamps the packaging box located at the top of the storage rack and places the packaging box on the conveying line, the jacking module lifts the remaining packaging box by a distance equal to the thickness of the packaging box, and the remaining packaging box is to be clamped by the clamping module; through the arrangement of the jacking module mechanism, namely after the previous packaging box is clamped and placed on the conveying line, the jacking module drives the multiple packaging boxes to ascend to the thickness of one packaging box, clamping of the clamping module is facilitated, and therefore the clamping module does not need to descend in the packaging box clamping process, and the packaging box clamping efficiency is improved. And the descending time and the gradual increase of the descending stroke are avoided, so that the taking of the packaging box can be realized, and the descending stroke is reduced.

The invention relates to the field of engineering machinery, and discloses a drill rod transfer system and a control method.The drill rod transfer system comprises a drill rod box, a lifting frame and an electric control system, the drill rod box and a rack are both installed on the lifting frame, the lifting frame is installed on a crawler, a first opening is formed in the lifting frame, and a drill rod in the drill rod box is perpendicular to the rack; a transfer manipulator is arranged on one side of the drill rod box close to the rack; the transfer manipulator comprises a transverse moving unit, a vertical moving unit, a longitudinal moving unit, a telescopic unit and a clamping jaw which are connected in sequence, the electric control system comprises a telescopic sensor and a lifting sensor, the telescopic sensor is used for measuring the length change of the telescopic unit, and the lifting sensor is used for measuring the length change of the vertical moving unit. And the sensor is simple and reliable.

The invention relates to a novel roller rejecting mechanism for silicon wafer production, which comprises a bottom plate, a plurality of groups of upright posts are arranged on the upper side of the bottom plate, connecting shafts are arranged on the upright posts, the connecting shafts are rotatably connected with a supporting plate, a placement frame is arranged on the upper side of the supporting plate, and a plurality of connecting shafts are rotatably connected to the placement frame. Rolling wheels are arranged at the two ends of the connecting shaft respectively, and the supporting plate is further provided with an auxiliary mechanism; a cavity is milled in the middle of the bottom of the supporting plate, the movable end of the air cylinder extends into the cavity, and the top end of the stand column extends into the cavity of the supporting plate. Due to the fact that the cavity is milled in the middle of the bottom of the supporting plate, the air cylinder is installed between the motor and the stand column, the stand column is of an integrated structure, and when the supporting plate inclines downwards, the stand column partially enters the cavity of the supporting plate, installation of the air cylinder is facilitated, the weight reduction effect is achieved, the assembling efficiency is greatly improved, adjustment in the assembling process is facilitated, and the assembling efficiency is improved. The space utilization rate of the whole mechanism is improved, and the cost is reduced.

The utility model discloses a sour soup fermentation device with depressurization and exhaust functions, and relates to the technical field of sour soup fermentation devices. The sour soup fermentation device with the depressurization and exhaust functions comprises a frame, a fermentation tank is fixedly connected to the upper surface of the frame, an exhaust pipe is fixedly connected to the outer surface of the fermentation tank, an exhaust groove is formed in the inner wall of the exhaust pipe, a sealing groove is formed in the bottom wall of the exhaust groove, and a sealing plate is slidably connected to the inner wall of the sealing groove; the bottom wall of the sealing groove is fixedly connected with a limiting rod, the upper end of the limiting rod slidably penetrates out of the upper surface of the sealing plate and is fixedly connected with the top wall of the exhaust groove, the outer surface of the limiting rod is slidably sleeved with an adjusting plate, the lower surface of the adjusting plate is fixedly connected with a spring, and the lower end of the spring is fixedly connected with the upper surface of the sealing plate. According to the air exhausting device for the fermentation tank, air exhausting can be automatically completed when the internal pressure of the fermentation tank is large, workers do not need to manually exhaust the fermentation tank, the air exhausting delay is reduced, and meanwhile the working intensity of the workers is also reduced.

The invention relates to a piece production device, and belongs to the technical field of battery manufacturing. The pole piece production device comprises a negative pressure adsorption mechanism which comprises a negative pressure adsorption assembly, and when a pole piece material belt passes through a cutting station, the negative pressure adsorption assembly is used for adsorbing the pole piece material belt; the lifting driving assembly is used for driving the negative pressure adsorption assembly to move in the vertical direction; the lifting driving assembly is used for driving the negative pressure adsorption assembly to rotate around a first axis, the rotation driving assembly is used for driving the negative pressure adsorption assembly to rotate around a first axis, and the lifting driving assembly and the rotation driving assembly jointly drive the negative pressure adsorption assembly to be switched between a cutting station and a discharging station so that the pole pieces formed at the cutting station can be transferred to the discharging station. The flaking device has relatively high flaking efficiency and flaking qualification rate.

The invention relates to the field of automation of pathological slide staining, in particular to an automation device for cytological slide staining and histological immunohistochemistry and special staining based on an advanced fluid control technology, which comprises an upper centrifugal component and a lower slide staining component, and the slide-making and dyeing assembly comprises a circular or arc-shaped dyeing turntable and a matched traditional dyeing or immunohistochemical and special dyeing liquid path component. According to the invention, a traditional transfer mode is not adopted, such as a pipette arm, a pipette and other structures which are easy to generate mechanical faults, key function modules such as sample oscillation, centrifugation, flaking, dyeing and the like are integrated in one machine, cytology sample pretreatment and flaking dyeing operations are fully automatically completed, and special dyeing functions such as histology immunohistochemistry and the like can be compatible; tedious steps are greatly simplified, the functional diversity, efficiency and stability of the equipment are improved, and the maintenance cost of the equipment is also reduced.

The utility model belongs to the technical field of sheet metal bending equipment, and discloses a pneumatic hinge cutter of a flexible bending center machine, which comprises a hinge cutter holder, and a hinge female cutter is fixedly mounted on one side of the bottom surface of the hinge cutter holder. The pushing assembly is matched with rotation control of the rotating rod, a rotating and swinging mode is utilized under thrust, the connecting function of the connecting assembly is matched, movement control over a set of movable inclined block cutters is achieved, the inclined faces of the movable inclined block cutters are matched with the inclined faces of the movable auxiliary cutters, and the hinge main cutter and the movable auxiliary cutters are pushed away in the transverse advancing process; compared with a common hinge knife which freely falls to act, the hinge knife has the advantages that the reaction speed is greatly increased, a metal plate is not scratched and the plate is not shoveled, and compared with a traditional hinge knife which is driven in a cylinder mode, the hinge knife has the advantages that the stroke is saved, the stroke is short, the action is fast, and the working efficiency is improved. The action efficiency is greatly improved, and the use effect is good.

The invention relates to the technical field of stapling production lines, in particular to an anastomat automatic stapling production line which comprises a feeding mechanism and a conveying mechanism. The number of the feeding mechanisms is two, the two feeding mechanisms are symmetrically arranged, each feeding mechanism comprises a feeding assembly and a clamping assembly, the clamping assemblies are located above the feeding assemblies, and the feeding assemblies are used for conveying anastomosis nails to the clamping assemblies; the conveying mechanism comprises a feeding assembly and a bearing assembly, a carrier used for temporarily storing a staple cartridge is placed on the feeding assembly, the feeding assembly is connected with the bearing assembly, the bearing assembly is located between the two clamping assemblies, the feeding assembly is used for conveying the carrier to the bearing assembly, and the carrier is used for temporarily storing the staple cartridge. When the clamping assembly assembles the anastomosis nails into the nail bin, the bearing assembly drives the carrier to get close to the clamping assembly. The method has the effect of improving the working efficiency.

The invention relates to the technical field of drill rod conveying, and discloses a drill rod conveying system which comprises a drill rod box arranged at the upper end of a lifting frame, and further comprises a clamping unit and an induction unit, the clamping unit comprises a lifting assembly and a transfer manipulator, the transfer manipulator stretches out and draws back to grab a drill rod in the drill rod box, and when the transfer manipulator stretches out and draws back to the limit, the induction unit is started; the lifting assembly further assists the transfer manipulator to lift and clamp the drill rod, and the sensing unit is used for monitoring the vertical transfer displacement between the drill rod taken out of the drill rod box by the clamping unit and the butt joint position of the drill rod and the rack after the position of the rack is changed; according to the scheme, the drill rod is transferred through the clamping unit capable of moving in the three coordinate axis directions, so that the drill rod can be in butt joint with the rack, the conveying route of the clamping unit is greatly simplified, and the sensing unit monitors the displacement of the clamping unit in the moving process; and the height of the clamping unit under different working conditions is calculated, monitored and controlled through the sensing unit, so that the system is simple and reliable.

The utility model relates to the field of precision casting detection, in particular to a precision casting detection device with a direction adjusting function, which comprises a side plate, a material distributing assembly is arranged at the top of the side plate and comprises a material distributing plate housing fixedly connected to the top of the side plate, and a material distributing plate groove is formed in the material distributing plate housing. An electric telescopic rod is fixedly connected into the material distributing plate groove, a first material distributing plate is fixedly connected to the bottom end of the electric telescopic rod, and two damping springs which are arranged in a spaced mode are fixedly connected to the top of the first material distributing plate. When the precision casting is detected to be qualified, the electric telescopic rod can drive the first material distributing plate to move downwards to be attached to the conveying belt, the qualified precision casting moves to the position of the first discharging port along with the arc-shaped first material distributing plate and is discharged through the first discharging port, the length of the first material distributing plate is consistent with the length of the conveying belt, the covering area is large, and the stroke is short; and the problem that qualified precision castings are not pushed away can be prevented.

This application relates to a transfer station and bonding equipment, and pertains to the field of semiconductor packaging technology. The transfer station includes a first base, a rotary drive, and a platform assembly. The rotary drive is disposed on the first base. The platform assembly includes a second base and a platform. The second base is connected to the drive end of the rotary drive, and the platform is disposed on the second base. The platform includes at least a first platform and a second platform distributed around a rotation axis of the rotary drive. The first and second platforms are respectively used to carry different products. The rotary drive is used to drive the second base to rotate, thereby moving one of the platforms to a preset position and adjusting the platform at the preset position to a preset angle. This application can improve upon the problems of existing transfer stations, such as large space occupation, reduced production capacity, and high costs.

The present invention provides a mold opening and closing and mold locking mechanism, which relates to the field of blow molding equipment, in order to solve the technical problem of low working efficiency of the existing mold opening and closing and mold locking mechanism. The mold opening and closing and mold locking mechanism comprises: a frame, a mold shell and a mold locking device, wherein the mold shell and the mold locking device are both connected to the rotating part of the frame; the mold shell comprises two half-mold shells and a mold shell driving device, wherein the rear ends of the two half-mold shells have a rotation center, and the mold shell driving device can drive the two half-mold shells to rotate around their own rotation center at the same time during the rotation with the rotating part, so that the front ends of the two half-mold shells are close to each other for mold closing or away from each other; when the mold shell is in a mold closing state, the mold locking device can simultaneously clamp the corresponding mold locking structures of the two half-mold shells. The mold shell of the present invention adopts two half-mold shell structures, and realizes mold locking and unlocking during the mold shell mold closing and opening process, thereby improving the efficiency of the entire process.

The invention relates to the technical field of drawer box forming machines, and discloses a high-efficiency drawer box forming machine capable of reducing paper box cost, which comprises a fixed frame, a material taking device, a first edge folding device and a box folding mechanism are arranged in the fixed frame, and the box folding mechanism is sequentially provided with a mold pressing device, a push plate device, a second edge folding device and a third edge folding device. The plate pushing device and the third edge folding device are each provided with a first guide rail, a defoaming device is arranged at one end of each first guide rail, and a discharging device which moves synchronously with the plate pushing device and the third edge folding device is arranged above the defoaming device. Compared with the prior art, the paper box folding machine has the following advantages that 1, through the box folding mechanism and the defoaming device, paper boards are folded and formed, surface paper is attached to the side wing plates, surface paper does not need to be additionally attached to the corners of a paper box for sealing, surface paper materials are saved, and the paper box cost is reduced; linear step type material conveying and processing are adopted from feeding to paper box forming, defoaming and discharging, the stroke is short, the station conveying speed is high, and the production efficiency is high.

The utility model discloses a numerical control hydraulic control module, which relates to the numerical control hydraulic technical field, and comprises a base plate and a first U-shaped plate, the first U-shaped plate is fixedly arranged on the upper surface of the base plate, the top of the first U-shaped plate is fixedly provided with a first hydraulic cylinder, and the tail end of a piston rod of the first hydraulic cylinder extends to the lower part of the first U-shaped plate; a hexagonal hole is formed in the tail end of a piston rod of the first hydraulic cylinder, a hexagonal prism is slidably inserted into the hexagonal hole in a matched mode, a pressing rod is fixedly arranged at the lower end of the hexagonal prism, and the outer wall of the tail end of the piston rod of the hydraulic cylinder is fixedly sleeved with a second U-shaped plate; transmission mechanisms for driving the pressing rods to move relative to piston rods of the first hydraulic cylinders are arranged on the two sides of the second U-shaped plate. The hydraulic mechanism is provided with the auxiliary hydraulic mechanism, the pressing rod of the main hydraulic mechanism can be rapidly displaced, the stroke of the main hydraulic mechanism can be reduced, and the working efficiency is improved.

The utility model discloses an ultrasonic welding arm adjusting mechanism, which relates to the technical field of welding equipment and comprises a mounting seat, a sliding plate arranged on the mounting seat in a sliding manner and a first driving component for driving the sliding plate to do lifting motion on the mounting seat, a carrier plate is arranged on the sliding plate, a height limiting block is arranged on the top face of the carrier plate, and a second driving assembly used for driving the height limiting block to slide on the top face of the carrier plate is installed on the carrier plate; a limiting rod is mounted on the mounting base, and the orthographic projection position of the bottom end of the limiting rod is located on the moving track of the height limiting block; by arranging the limiting rod and the height limiting block, the stroke of the welding arm from a preparation state to a welding position is shortened, and meanwhile, the adjustable stroke also ensures that a sufficient operation space is provided for workers during operation when the welding arm needs to be repaired and maintained or a welding tool needs to be replaced.

The present invention discloses a powder distribution device and a powder distribution method, which relates to the field of powder distribution technology, and includes a powder bin barrel, the bottom of which is provided with a discharge port; a distribution mechanism, a rotation drive mechanism and a controller, the distribution mechanism includes a quantitative disk and a powder falling sheet, the quantitative disk is rotatably arranged in the inner cavity of the powder bin barrel, the powder falling sheet is fixed to the powder bin barrel, the powder falling sheet is attached to the upper side of the quantitative disk and covers the discharge port; the output shaft of the rotation drive mechanism is connected to the quantitative disk; the quantitative disk is provided with a powder groove, and the quantitative disk can be rotated until the powder groove is connected with the discharge port; the powder bin barrel has a starting position and an end position on both sides of the powder falling sheet, and the controller controls the output shaft of the rotation drive mechanism to drive the quantitative disk to reciprocate, so as to drive the powder groove to rotate between the starting position and the end position. The present invention can realize accurate quantitative removal through a single silo, is simple to process, and has good powder distribution accuracy.

The utility model relates to an automatic feeding and discharging device for PCBs. According to the technical scheme, the automatic feeding and discharging device is characterized by comprising a rack; a suction cup moving mechanism is arranged on the rack; the suction cup moving mechanism is provided with an output end; a jointed board adsorption mechanism is arranged at the output end of the suction cup moving mechanism; a table top lifting mechanism is arranged on the rack and located below the jointed board adsorption mechanism. By arranging the table top lifting mechanism, the table top, used for transporting the PCB, on the skip car can be lifted into the moving range of the suction cup moving mechanism, and therefore the stroke of the suction cup moving mechanism is reduced; the position of the jointed board adsorption mechanism is adjusted through the suction cup moving mechanism, the jointed board adsorption mechanism adsorbs the multiple stacks of PCBs on the table top, the multiple stacks of PCBs are placed on the working table top of the depth control gong equipment side by side for board jointing, automatic feeding and discharging operation of the PCBs is achieved, the processing requirements of the PCBs of different specifications and numbers are met, the production efficiency is effectively improved, and the production cost is reduced. And errors caused by human factors are reduced.

The invention discloses a semi-solid die-casting mold for manufacturing a shock-absorbing tower, comprising a die seat and a punch seat, wherein the punch seat is provided with a punch core, the die seat is provided with a die core, a cavity is provided between the punch core and the die core, a gate sleeve and a gate sleeve locking plate are provided on the die seat, the gate sleeve is communicated with the middle part of the cavity, a fixing plate is provided on the upper side of the die seat, a gate sleeve docking seat is provided on the fixing plate, a direct current channel is provided on the gate sleeve docking seat, a water cutting nozzle assembly is provided on the upper side of the die seat, a die foot, an ejector plate and an ejector bottom plate are provided at the bottom of the punch seat, an ejector is provided between the ejector plate and the ejector bottom plate, and a plurality of groups of buckle machine assemblies are provided between the fixing plate, the die seat and the punch seat, so that when opening the mold, the die seat and the punch seat are separated only after the fixing plate and the die seat are separated for a distance; the central feeding method is adopted to greatly shorten the travel of the flow channel, reduce the energy loss of aluminum liquid in the filling process, and the die-cast product can be directly used without any treatment.

The utility model relates to the technical field of drilling equipment, in particular to a double-head drilling machine which comprises a base, a placement seat and two drilling devices and is used for machining a connecting rod with through holes in the two side faces of the two ends, the placement seat is fixedly installed on the base, the connecting rod is placed on the placement seat, and the two drilling devices are located on the two sides of the placement seat correspondingly. Each drilling device comprises a rotary driving device, a multi-shaft device and a first linear driving device, a rotary shaft of the rotary driving device is connected with the multi-shaft device, two drill bits are rotatably mounted on the multi-shaft device, the first linear driving device is arranged on the base, and a push rod of the first linear driving device is fixedly connected with the rotary driving device; the two side edges of the connecting rod are drilled through the drilling devices located on the two sides of the containing base at the same time, compared with the prior art, the stroke that a single drill bit passes through the second groove is omitted, and the drilling device has the advantages of being suitable for the application situation that the distance between two holes is large, and a plurality of cutting holes are formed in one side of a workpiece.

The present application relates to the technical field of shield switch structure, and discloses a shield automatic switch structure and processing equipment, the shield automatic switch structure includes beam assembly, first drive mechanism, telescopic shield assembly and support connecting mechanism. When the shield automatic switch structure is used, the support connecting mechanism is arranged on the second side of the telescopic shield assembly, the support connecting mechanism occupies small floor space, and is convenient to arrange; the support connecting mechanism has small stroke and occupies small floor space; when the telescopic shield assembly is closed, the second side of the telescopic shield assembly is first connected and fixed on the first fixed support through the support connecting mechanism; when the telescopic shield assembly needs to be opened, the support connecting mechanism is disconnected from the first fixed support, the first drive mechanism drives the telescopic shield assembly to move away from the outer protection component, which can effectively prevent the telescopic shield assembly from being stuck during opening and closing, thereby effectively reducing the failure rate of the equipment, improving production efficiency and maintenance cost.

The utility model relates to a battery protection device for an electric locomotive. The battery protection device comprises a box body, a buffer part is arranged on each vertical outer side face of the box body and comprises a buffer assembly and a stress plate, the buffer assemblies are arranged at the upper end and the lower end of the outer side face, corresponding to the buffer parts, of the box body, the buffer assembly on the upper side comprises a bearing cylinder, a rotating rod and a connecting belt, the bearing cylinder is fixed to the corresponding outer side face of the box body, and the rotating rod is rotationally arranged in the bearing cylinder. A first clamping ring and a second clamping ring are fixedly arranged outside the rotating rod in a sleeving mode, a connecting belt is wound around the rotating rod between the first clamping ring and the second clamping ring, the free end of the connecting belt movably penetrates through a bottom plate of the bearing cylinder, and a torsional spring is arranged outside the rotating rod between the first clamping ring and the end, on the same side, of the bearing cylinder in a sleeving mode; the free ends of the connecting belts of the two buffer assemblies are connected with the upper and lower ends of the stress plate. The explosion-proof box for the electric locomotive solves the problems that the battery for the electric locomotive is easily influenced by external collision acting force and the protection effect of the existing explosion-proof box for protecting the battery is insufficient.