1060 results about "Change positions" patented technology

Systems and methods for a self-adjusting vehicle mirror. The mirror automatically locates the face of the driver or another passenger, and orients the mirror to provide the driver / passenger face with a desired view from the mirror. The mirror may continue to reorient itself as the driver or passenger shifts position, to continuously provide a desired field of view even as he or she changes position over time. In certain embodiments, the mirror system of the disclosure can be a self-contained system, with the mirror, mirror actuator, camera, and computing device all contained within the mirror housing as a single integrated unit.

The invention relates to a hose lifter (10) comprising a lifting hose (12), a suction gripping device (18) with at least one suction point (20), and a control valve (24) for adjusting a flow resistance for flows from the suction gripping device to the lifting hose, wherein the control valve comprises a valve body (36) which is displaceable between a first switching position and a second switching position, wherein a total flow cross-section for flows from the suction gripping device to the lifting hose is smaller in the first switching position than in the second switching position, but greater than zero, wherein the valve body is actuated in the direction of the second switching position and has a throttle passage (48) such that the valve body, starting from the second switching position,In the case of free suction with at least one unoccupied suction point, the system is moved into the first switching position against the direction of the application, and in the case of suction with at least one occupied suction point, the system is moved from the first switching position to the second switching position by the application of the application.

The invention discloses a door and window embedded locking piece production device and a process thereof, and belongs to the technical field of locking piece production. Stamping dies are driven by a stamping driving assembly to move downwards, so that the two stamping dies are connected in a pressing mode to conduct stamping operation on door and window stamping parts; a buffering effect can be achieved through a first spring and a second spring in the stamping process, and after stamping, a driving transmission assembly and a driven rotating assembly are driven by a driving driving assembly to rotate, so that a stamping die rotates to switch positions, a hydraulic ejection assembly is matched with a second slope surface, and door and window stamping parts are positioned through negative pressure; and meanwhile, the hydraulic ejection assembly is further matched with the third slope surface, door and window stamping parts or residual products obtained after stamping are ejected out, automatic demolding operation is completed, meanwhile, when an electric hydraulic rod is used for stamping, a passive exhaust assembly exhausts air to conduct air blowing cleaning on a mold structure, and therefore the automatic demolding operation is completed. In this way, the multi-functional operation of positioning, ejecting, cleaning and switching the mold structure is completed through cooperation of the structures.

The invention relates to the technical field of machine tool tool magazines, in particular to a hydraulic inverted translation tool magazine tool changing control method and system.The hydraulic inverted translation tool magazine tool changing control method comprises the steps that S10, the tool storage positions of a tool magazine are numbered clockwise from 1 to n, and n is the tool storage upper limit; labeling each cutter to form a cutter number and installing the cutter number; s20, the tool magazine is initialized, tool storage position numbers and tool numbers are recorded into n columns and two rows, a comparison table is formed, and all tools are recorded; s30, according to the tool changing instruction, shortest path L calculation is conducted on the tool storage position number y corresponding to the target tool and the tool storage position number z of the tool changing position where the target tool is located; s40, the tool magazine is moved according to the calculation result of the L, and the target tool is moved to a tool changing position; s50, whether the tool changing position tool number is consistent with the target tool number or not is recognized, and if yes, the tool changing action is conducted; s60, the spindle tool is installed at the tool storage position where the tool changing position is located, the comparison table is updated, and the tool changing action is finished; the tool changing efficiency is effectively improved.

In order to be able to load a forming tube channel, which stands very steeply and is open at a front and top on a longitudinal side, correctly by checking and, if necessary, changing position of a product piece in the forming tube channel, instead of sliding the new product piece from the outside on a support plate to the forming tube channel in the machine and dropping it into the forming tube channel, the entire forming tube channel is moved from a cutting position outward to a loading position, the product piece is inserted there and an entire transfer device in the form of one or more slides is moved back to the cutting position and locked there.

The invention discloses a plate cutting machine for automobile seat machining, and relates to the technical field of automobile seat machining, the plate cutting machine comprises a cutting table, one side of the cutting table is slidably connected with a shifting frame, and the shifting frame comprises a supporting block, a cross beam and an adjusting frame. According to the device, a second suction cup assembly is connected with a supporting frame, one side of the supporting frame is fixedly connected with a connecting shaft, a plate can be stably placed on the supporting frame through the second suction cup assembly, overturning of the supporting frame and the plate can be achieved through the connecting shaft and a gear motor, and the plate is moved to a steering wheel; the first suction cup assembly can improve the placing stability of a plate on the top of the steering wheel, so that when the steering wheel drives the plate to rotate, the cutting direction and position of the plate can be changed, the plate does not need to be taken down to replace the position, and use is convenient. Therefore, the polishing effect on the surface of the plate is improved.

The utility model discloses rotary shuttling transportation mold connecting equipment which comprises a rotating device and a mold, the rotating device is arranged on an injection molding machine, at least one mold lifting and positioning device is arranged on the rotating device, and the mold is arranged on the mold lifting and positioning device and matched with the injection molding machine. According to the rotary shuttling transportation mold connecting equipment, the rotating device is arranged on one side of the injection molding machine, the two molds are installed on the rotating device, the injection molding machine and a worker are located on the corresponding mold sides respectively, and the two molds change positions back and forth on the positions of the injection molding machine and the worker under reciprocating transportation of the rotating device; therefore, when the mold at one end is in corner connection, the mold at the other end is in strip installation, the problem of long waiting time of workers or frequent walking of the workers is avoided, the production efficiency is improved, and the cost of an injection molding machine and the mold can be saved within the same production efficiency of the conventional production mode.

The utility model provides an automatic bag breaking and material pouring device which comprises an object placing mechanism, an irradiation unit and a posture changing mechanism, the object placing mechanism comprises an object placing piece, and poses of the object placing piece comprise a loading posture for the object placing piece to obtain a material bag and a pouring posture for the object placing piece to pour materials; the irradiation unit is used for irradiating the material bag loaded on the material placing piece to form a material leakage crevasse; and the posture changing mechanism is in driving connection with the storage mechanism and is used for driving the storage mechanism to perform posture change at least between the loading posture and the dumping posture. The irradiation unit is used for replacing a cutting tool in an existing similar device, the material bag absorbs energy in light emitted by the irradiation unit in the mode that the irradiation unit irradiates the material bag, and therefore the surface of the material bag is subjected to hot melting or vaporization to form a material leakage crevasse, the material bag is crevassed in the irradiation mode that a non-object makes contact with the material bag, and the material bag is prevented from being damaged. The convenience of the material bag opening breaking process is improved, the opening breaking difficulty is reduced, and the problem that the cutting efficiency is reduced or material leakage opening breaking is difficult to form due to the fact that a cutting tool is damaged and blunt is solved.

The utility model discloses a fixed unloading platform convenient to mount and demount, which belongs to the technical field of unloading platforms and comprises a support frame, a support plate and a first hydraulic cylinder, a plurality of support legs are fixedly arranged on the support frame, a fixing frame is rotatably arranged at one end of the support frame, the support plate is fixedly arranged on the fixing frame, and the first hydraulic cylinder is fixedly arranged on the support frame. A supporting column is fixedly arranged on the supporting plate, a supporting seat is fixedly arranged on the supporting frame, the supporting column abuts against the supporting seat, a first hydraulic cylinder is rotationally arranged on the supporting frame, a telescopic shaft of the first hydraulic cylinder is rotationally connected to the supporting plate, the first hydraulic cylinder is located below the supporting plate, and a second hydraulic cylinder is rotationally arranged on the fixing frame. The fixing frame is rotationally provided with a rotating rod, the rotating rod is rotationally provided with an adjusting plate, a telescopic shaft of the second hydraulic cylinder is rotationally connected to the adjusting plate, and the unloading platform has the advantages that a civil engineering pit position is not needed, and the unloading platform can be used at any position in a replaced mode.

The present invention relates to an intelligent double-layer box-type dissecting table that can interchange positions, and belongs to the field of medical dissecting technology. It includes a control module, a power module, and two box-type dissecting tables. The control module includes a controller and a motor. The power module includes a rotating shaft, a rotating frame, and a hydraulic cylinder. Each of the box-type dissecting tables is connected to a box shaft on one side; the motor is connected to and controls the rotating shaft, and the rotating shaft is connected to the rotating frame by a plurality of cross bars. The box shaft is matched with the hole by a bearing, and a driving device with a self-locking function is also installed on the box shaft; the controller is connected to and controls the driving device and the motor. The present invention sets a double-layer box-type dissecting table that can rotate and translate. The switching of two experimental bodies can be achieved only through the control console, and it solves the limitation of the operator's height, saves the manual operation cost, and further improves the efficiency.

A hydraulic system for a passenger restraint device includes a hydraulic pump and a hydraulic section. The hydraulic section includes a hydraulic accumulator, a valve arrangement and a hydraulic cylinder unit with a piston. The valve arrangement is connected to the hydraulic pump, the hydraulic accumulator and the hydraulic cylinder unit. The piston can be moved between an open position and a first closed position. The hydraulic pump can pressurize the hydraulic cylinder unit so that the piston moves from the first closed position to the open position. The hydraulic accumulator is configured so that the piston moves from the open position to the first closed position. The hydraulic cylinder unit can be pressurized in a first switching position of the valve arrangement with a first pressure stage and in a second switching position of the valve arrangement with a second pressure stage lower than the first pressure stage.

Technologies and techniques for carrying out an assisted lane change onto a deceleration lane, during which an intervention in an acceleration device may be carried out in an at least partially assisted manner as a function of a driver input on a driving lane of the roadway. The lane change from the driving lane onto the deceleration lane may be carried out in an at least partially assisted manner, wherein swarm data are received from at least one further motor vehicle, which carried out a lane change onto the deceleration lane at a crossing, and a change position for the lane change of the motor vehicle is determined as a function of the received crossing position. The lane change is carried out at the determined change position. Other aspects relate to a computer program product and to an assistance system.

The multi-layer cutter head structure comprises a first cutter head, a second cutter head and a third cutter head, a plurality of first containing grooves are distributed in the first cutter head in the circumferential direction of the first cutter head at equal intervals, and a plurality of second containing grooves are distributed in the second cutter head in the circumferential direction of the second cutter head at equal intervals; a plurality of third containing grooves are distributed in the third cutter head at equal intervals in the circumferential direction of the third cutter head. Due to the fact that the first cutterhead, the second cutterhead and the third cutterhead are sequentially and downwards distributed in a layered mode in the vertical direction, the cutter sleeves are clamped and installed through the first containing groove, the second containing groove and the third containing groove, and the capacity of the cutter is increased; in addition, due to the fact that the second containing groove is staggered with the first containing groove and the third containing groove, the multi-layer cutter head structure is compact, and the occupied size is small. Through the rotating effect of the rotating assembly and the jacking effect of the jacking assembly, the cutters on the cutter head structure can be rapidly moved to the preset cutter changing position.

This invention discloses a building material conveying device, relating to the field of transportation technology, which can solve the problem that materials often need to be manually handled when transferred to designated floors. An embodiment of this invention discloses a building material conveying device, including a first lifting frame and a second lifting frame, and a plurality of lifting trays; the first and second lifting frames are arranged side-by-side in parallel, and the single lifting height of both the first and second lifting frames is equal to the height of a single floor; the plurality of lifting trays are evenly distributed on opposite sides of the first and second lifting frames, and the vertical spacing between adjacent lifting trays is the same as the height of a single floor; it also includes a hopper assembly and a repositioning assembly for driving the hopper assembly to rotate and change position; the hopper assembly is sleeved on the repositioning assembly and slidably connected to it vertically; when the first and second lifting frames are in a raised or lowered state, the orthographic projection of the hopper assembly only overlaps with the lifting trays on the first or second lifting frame.

The invention relates to the field of automation control, and particularly discloses an intelligent numerical control machine tool of a servo chain type tool magazine and a control method, and the intelligent numerical control machine tool comprises a base, a guide rail, a sliding block, a connecting rod and a transmission system. The sliding blocks form a conveying chain through the connecting rods to move along the guide rails, bottom bearings of the sliding blocks are in contact transmission with the inner sides of the guide rails, and top rollers are meshed with the transmission wheels. The base is provided with a servo motor and a speed reducer driving transmission wheel, and the side edge of the sliding block is provided with an overload protection cutter clamp clamping cutter. According to the tool magazine, the tool loading amount is increased to 68 through chain type layout, the width is reduced to 300 mm to be matched with a narrow space, double-bearing transmission ensures that the repeated positioning precision is + / -0.03 mm and is improved by 80% compared with traditional chain transmission, the servo motor accurately controls the tool changing position, the tool magazine meets the requirements for multi-tool and high-precision tool changing of a numerical control machine tool, and the tool magazine is suitable for large-scale popularization and application. The problems that an existing tool magazine is small in capacity, poor in space adaptation and insufficient in positioning precision are solved.

The invention relates to a vertical rotary tool magazine, machining equipment and a tool changing method. The vertical rotary tool magazine comprises a tool magazine body. The tool magazine body comprises a vertical tool magazine installation disc and a plurality of tool clamps arranged on the outer side of the vertical tool magazine installation disc in the circumferential direction in an annular array mode, and the tool clamps are used for clamping tools. The two ends, in the length direction of the tool clamps, of the tool clamps are sequentially arranged on the circumferential outer side of the vertical tool magazine installation disc. The vertical tool magazine installation disc is used for being connected to a first driving unit and used for driving the vertical tool magazine installation disc to rotate, a tool changing position exists, the center line of the tool at the tool changing position is perpendicular to the ground, the tool handle part of the tool faces upwards, and the tool is used for being coaxial with the main shaft. From the perspective of space utilization, the vertical tool magazine mounting disc and the tool clamps are arranged in a three-dimensional annular mode, the tool position storage number of the tool magazine is greatly increased, and therefore the tool containing number of the tool magazine is remarkably increased. In the aspect of tool changing performance, the first driving unit drives the vertical tool magazine installation disc to rotate, and rapid positioning of tools is achieved.

The invention provides a construction method for subsections of a bottom side tank of a liquefied gas ship, which comprises the following steps of: firstly, dividing the subsections of the bottom side tank into three parts, namely an inclined plate middle group, a bottom plate middle group and a bilge curved middle group by taking a bilge linear change position as a boundary; thirdly, the three middle sets are manufactured respectively, and internal related outfitting pieces are pre-buried; and finally, the three parts are assembled in a normal state, butt joints are welded, bulk parts are installed, and internal outfitting parts are installed in place. According to the method, the construction height can be reduced, the scaffold erection workload is reduced, repeated scaffold erection is effectively avoided, and the labor cost is effectively saved; in addition, the installation precision is remarkably improved, and reworking caused by poor assembly precision is reduced; the division method of the bottom side tank sections is optimized, so that the construction difficulty is reduced; and finally, the three parts of the middle group are constructed at the same time, and parts assembled and welded in the large group stage in the traditional construction mode are moved forwards to the middle group stage, so that the construction time of the large group is greatly shortened.

The invention relates to an automatic glue replacing method and device for a glue dispenser and a glue dispensing system. The method comprises the following steps: in response to a glue replacement instruction of a glue replacement and supply mechanism of the dispensing machine, controlling glue self-transfer equipment bearing a glue supply frame provided with a full glue pipe to move close to the dispensing machine; when the glue self-transferring equipment moves to a glue changing position of the glue dispenser, the glue changing and supplying mechanism is controlled to stop supplying glue to the glue dispensing valve mechanism, and the material taking and placing mechanical arm is controlled to take down a glue pipe to be replaced from the glue changing and supplying mechanism and place the glue pipe on a glue supplying frame; and the material taking and placing mechanical arm is controlled to take the full-glue pipe from the glue supply frame and place the full-glue pipe on the glue changing and supplying mechanism, the glue changing and supplying mechanism is controlled to continuously supply glue to the glue dispensing valve mechanism, and automatic glue changing is completed. The automatic glue replacing device can solve the problems that a traditional manual glue replacing mode is low in efficiency, glue mixing or pollution is easily caused, the product quality is often influenced by manual operation errors, and the requirements for high precision and high consistency cannot be met.

The invention provides a coal sample preparation device. The coal sample preparation device comprises a bearing rod, a rotating part for driving the bearing rod to rotate in a vertical plane, two blending discs rotationally arranged at the two ends of the bearing rod, locking parts arranged at the bottoms of the blending discs and a hopper, wherein the blending disc can rotate relative to the end part of the bearing rod under the action of gravity; a cross-shaped partition plate is arranged in the blending disc, the interior of the blending disc is divided into four compartments by the cross-shaped partition plate, and a bottom plate is arranged at the bottom of each compartment; the locking component is used for preventing the bottom plate from opening the corresponding compartment; and the hopper is used for receiving the materials falling from the blending disc and conveying the materials into the blending disc below the hopper. According to the invention, the bearing rod rotates to drive the two blending discs to alternately change positions up and down, coal samples at the upper part are conveyed into the blending disc at the lower part through the hopper, and rapid blending of original coal samples is carried out, so that the labor intensity of workers is greatly reduced, the sample separation speed is high, and the efficiency is high.

The invention discloses multi-axis linkage precision drilling equipment for medical thin-wall pipe fittings, and relates to the technical field of drilling machining equipment, the multi-axis linkage precision drilling equipment is composed of an electric control integration box, a drilling workbench and a supporting bottom plate, and the workbench integrates a vertical drilling assembly, a horizontal drilling assembly and a transfer clamping assembly. The transfer clamping assembly is of an upper-lower double-layer clamping structure and can transversely move, ascend and descend, rotate and change positions, and pipe fitting deformation and repeated clamping errors are avoided. The horizontal drilling assembly can adjust the angle in a multi-stage mode and is matched with side wall multi-direction drilling, the vertical drilling assembly can turn over to adjust the angle to machine inclined holes, and a washing water collecting and draining structure is matched to clean scraps in real time. The equipment is designed for solving the problems that existing equipment cannot adapt to multi-angle drilling of the thin-wall pipe fitting, clamping is prone to deformation, the clamping precision is poor, waste chip cleaning lags behind, and automation and stability are insufficient, multi-axis linkage precision machining is achieved, the structure is compact, operation is stable, the automation degree is high, the high-precision and high-cleanliness machining requirements of the medical thin-wall pipe fitting are met, and the machining efficiency is improved. And the processing efficiency and the product qualification rate are improved.

The utility model discloses ship body steel plate polishing equipment, and relates to the technical field of ship body machining equipment, the ship body steel plate polishing equipment comprises a loading plate, the outer surface of a rotating shaft is detachably connected with a grinding wheel, the lower surface of the loading plate is fixedly connected with a sliding seat, and the inner wall of the sliding seat is slidably connected with two sliding blocks; the inner sides of the two sliding blocks are in threaded connection with forward and reverse lead screws, swing arms are movably connected to the outer surfaces of the two sliding blocks in a fixed-point mode, the other ends of the swing arms are movably connected with supporting plates in a fixed-point mode, and through cooperation of the sliding base, the sliding blocks, the swing arms and the forward and reverse lead screws, the forward and reverse lead screws can drive the sliding blocks to slide to change the positions after rotating. After the angle of the swing arm is changed, the loading plate can be supported to move up and down, the loading plate drives the grinding wheel to move up and down, the contact distance between the grinding wheel and the weld bead is adjusted, and when the grinding wheel grinds the weld bead, the loading plate is supported through the swing arm, so that the grinding wheel cannot continue to grind downwards after the grinding wheel grinds the weld bead. The problem that a ship body steel plate is excessively polished to cause bumpiness is solved.

The invention discloses a high-precision vertical type machine tool knife rest, and belongs to the technical field of knife rests, the high-precision vertical type machine tool knife rest comprises a closed box body, a knife changing mechanism and a knife holder arranged in the closed box body and used for placing a knife, according to the high-precision vertical type machine tool knife rest, a machine tool is arranged, an old knife is placed on the knife feeding assembly through the main shaft, the knife feeding assembly can clean the old knife through parts, and the old knife can be placed on the knife feeding assembly through the main shaft. Meanwhile, a new tool is taken out of the tool apron through the tool transfer chamber and moved to the tool changing position through the sliding door, the machine tool picks up the new tool at the moment, tool cleaning is conducted outside the closed box body, and therefore pollution generated in the closed box body is avoided, and the machine tool can move to the tool transfer apron for tool changing after the tool is placed on the clamping base; therefore, the tool changing efficiency is greatly improved.

The invention provides a stable-output circulating system for gravity energy storage, which comprises a connecting system and a bearing mechanism arranged on the connecting system, and the bearing mechanism is connected with the connecting system through a conversion mechanism; the connecting system comprises a transition connecting module, an output connecting module and a switching track module, the switching mechanism is movably arranged on the bearing mechanism and comprises a transition part and an output part which are connected with each other, the transition part is provided with a pulley piece, and the transition part is in sliding connection with the switching track module through the pulley piece; and the pulley piece moves along the transfer track module to change the position, so that the transition part is connected with the transition connection module or the output part is connected with the output connection module. According to the stable-output circulating system for gravity energy storage, continuous and stable power generation can be achieved, so that loading and unloading of heavy blocks form a continuous event, then sudden change of driving force on the bearing mechanism is avoided, the output power is more stable, and meanwhile the fatigue life of a mechanical system is prolonged.

The present invention discloses a lathe-milling composite double tool magazine device and a working method for five-axis CNC machining equipment, belonging to the field of machine tool technology. The present invention can flexibly and fully automatically convert the lathe, milling, grinding, drilling, and measuring functions that may be applied to the five-axis CNC machining equipment; the left and right tool magazines are set up with clear functions; the layout of the two tool magazines fully utilizes the span of the double-column gantry beam, does not affect the machining range, and does not waste the horizontal tool change stroke; the stroke matching of the Z and W axes allows the tool magazine to land and reduce the beam load; the arrangement of the upper and lower tool magazine discs matches the tool change position of the ram milling head, which also maximizes the utilization rate of the Z-axis stroke.

The utility model discloses a conversion device and coating equipment, the conversion device comprises a conveying mechanism and a conversion mechanism, and the conveying mechanism comprises a first conveying assembly and a second conveying assembly which are oppositely arranged in the vertical direction. The changing mechanism comprises a lifting driving unit and a lifting piece connected with the lifting driving unit, and the lifting piece is used for changing the positions of the carriers on the first conveying assembly and the second conveying assembly. According to the conversion device, the first conveying assembly and the second conveying assembly are located above and below the film coating mechanism correspondingly, so that the film coating mechanism conducts film coating on the sheet materials in the vertical direction at the same time. The carrier is translated through the conversion mechanism, so that the top surface and the bottom surface of each sheet material face the coating mechanisms respectively, the two coating mechanisms face the sheet material together to carry out double-sided coating, and on the premise that the sheet material does not need to be turned over, the two sides of the sheet material face the two coating mechanisms respectively; and therefore, the effect of quickly carrying out double-sided coating is achieved.

A gas flow control valve with pivotable damper blade usable in a regenerative thermal oxidizer (RTO) unit or other gas flow control application. The valve in one embodiment is a four-way valve with dual operating positions to control gas flow through four ducts coupled to the valve. To enhance positively sealing the blade to the valve housing in each position the seal, selectively actuatable electromagnetic clamps are provided which magnetically draw the blade toward the active blade end seat acted upon by gas pressure in a direction which tends to force the blade away from its seat. The blade is actuated directly by an actuator system via an operating rod to change position of the valve. A seal air system supplies pressurized air to the valve seats. A programmable controller automatically controls actuation of the electromagnets, seal air, and blade positional changes.

The utility model discloses a multifunctional practical knife, belongs to a manual knife, and aims to solve the problems that the conventional practical knife is single in function, particularly can scratch the surface when being used for scraping sundries attached to the surface, and is inconvenient to use. When the tool rest is located at the posture changing position, the second frame body is allowed to be switched between the first posture and the second posture. The second frame body can be switched to the first posture and the knife rest can be moved back and forth, and the knife rest can be moved to the posture changing position and the second frame body can be switched to the second posture, so that the length of the blade extending out of the handle and the orientation of the blade are changed, and different functions of the practical knife are achieved. If the second frame body is switched to the first posture, the cutting edge of the blade faces downwards for cutting, and when the second frame body is switched to the second posture, the cutting edge of the blade faces forwards for shoveling and scraping.

The present invention relates to the technical field of motor housing processing, and discloses a drilling and tapping device for motor housing processing, including a drill press main body, a motor, a first pulley, a second pulley and a transmission belt. A driving shaft is fixedly connected to the inner wall of the second pulley. By using two clamping components and a reversing pipe in cooperation, when in use, a drill bit and a tap can be respectively installed on the two clamping components. When using this device, the drill bit can be first used for drilling. After the drill bit finishes drilling, the reversing pipe can drive the two clamping components to exchange positions, so that the tap is switched to the position of the drill bit, and then the tap can perform tapping. In this way, when processing the motor housing, drilling and tapping can be completed at one time. In this way, for the processing of the motor housing, it only needs to be clamped up and down at least once, saving the clamping required during the processing of the motor housing once, thereby improving the processing efficiency of this device for the motor housing.

The invention provides a cylindrical tool magazine mechanism which is arranged on a tool machine and comprises a tool storage device and a tool exchange device. The knife storage device at least comprises a first knife storage area and a second knife storage area which are arranged side by side, a plurality of knife rests can be stacked and accommodated in the knife storage device, a knife rest returning position and a knife rest taking position are arranged at the lower ends of the first knife storage area and the second knife storage area, and the knife storage lifting device drives the knife rests in the first knife storage area and the second knife storage area to generate lifting displacement. The conveying device is used for conveying the tool rests from the tool rest returning position to the first tool storage area and conveying the tool rests from the second tool storage area to the tool rest taking position, so that a tool exchanging device conveys and displaces the tool rests among the tool changing position, the tool rest returning position and the tool rest taking position, the tool rest exchanging action and the required time are reduced, and the tool changing time is further shortened.