18results about How to "Limit offset" patented technology

The application relates to the technical field of paper tube feeding equipment, and provides a feeding device, which comprises a rack and a conveying mechanism; the conveying mechanism comprises a first driving shaft, a plurality of driving wheels, a plurality of guide wheels and a first driving assembly; the first driving shaft is arranged along the length direction of the rack and is rotationally connected to the rack, and a plurality of the driving wheels are arranged on the first driving shaft at intervals along the length direction of the rack; each guide wheel is arranged correspondingly to each driving wheel, each guide wheel is rotationally connected to the rack and is arranged obliquely relative to the driving wheel; and the first driving assembly is used for driving the first driving shaft to rotate. Based on the above, the feeding effect of industrial paper tubes can be improved.

This application relates to the field of smartwatch technology, and provides a smartwatch including: a main unit and a watch band; the main unit has a slide rail with a groove; the watch band has a lead-in structure, the lead-in structure including a lead-in body and an unlocking component, the lead-in body having a groove, and the unlocking component being disposed on the lead-in body; in the connected state, the slide rail is engaged in the groove of the lead-in structure, and the latch of the unlocking component is engaged in the groove to prevent the slide rail from sliding out of the groove; moving the operating part of the unlocking component causes the latch to retract from the groove into a first clearance hole in the lead-in body, so that the slide rail can slide out of the groove. This application has a simple structure, and the watch band and main unit can be quickly separated, realizing quick disassembly and assembly of the watch band and improving the user experience. This application also provides a main unit, a lead-in structure, and a watch band.

The utility model provides a pipeline abrasion cutting device. The pipeline abrasion cutting device comprises a base, a positioning piece and two sets of limiting pieces. Two supporting rollers are arranged on the base, and a support is arranged on the outer side of the base. The positioning piece is connected to the support in a sliding mode in the vertical direction and located above the base. The positioning piece is in transmission connection with a lifting driving component, and a grinding wheel disc rotationally connected with the positioning piece is arranged at the lower end and further in transmission connection with a rotation driving component. The two limiting pieces are arranged on the two sides, facing the axial direction of the grinding wheel disc, of the positioning piece correspondingly and used for abutting against the two sides of the pipeline segmentation position correspondingly so as to limit the two pipe joints on the two segmentation sides to do horizontal movement. On the basis, the pipeline can rotate with the central axis of the pipeline as the axis in the mode of rotating the supporting rollers, so that the pipeline is segmented. According to the pipeline grinding and cutting device, the pipe joints on the two sides of the pipeline cutting position can be fixed, so that the dislocation phenomenon in the pipeline grinding and cutting process is prevented, and the finished product effect of pipeline grinding and cutting is guaranteed.

The utility model relates to the technical field of electrical elements, in particular to an anti-swing structure for preventing a connector from swinging during welding, which comprises a connector main body and a plurality of control terminals. The control terminal is provided with an anti-swing member, and the anti-swing member is used for preventing the connector main body from swinging substantially when the connector main body is welded with a circuit board. The circuit board which needs to be welded with the connector main body is provided with the through holes for the control terminals to pass through, and when wave soldering is carried out on the connector, the plurality of control terminals on the connector main body are respectively inserted into the through holes on the circuit board. The anti-swing structure can prevent the connector main body and the circuit board from swinging greatly during wave soldering, so that the soldering precision and stability are improved, the reject ratio of products is reduced, the precision of the produced products is higher, the friction force in the use process is reduced, and the product is more stable, so that the product quality is improved. Therefore, the number of plugging and unplugging times during the plugging and unplugging test of the product can be effectively increased.

The utility model discloses a vertical ring rolling machine for forging processing relates to ring rolling machine technical field, including outer frame, the reduction mechanism of installing in the rear side of outer frame, install on the input of reduction mechanism and with the input shaft power connection of reduction mechanism's drive motor and with the output shaft rod power connection of reduction mechanism's rotary positioning roller still include: linear ring rolling group. The utility model utilizes the medium in fixed pipe extrusion of sliding rod, and the medium flows into the cavity of hollow ring rolling roller through the flow guide hose, makes the sliding type limit disc slidingly connected in the front end of hollow ring rolling roller and stretches forward, makes the length of hollow ring rolling roller change along with the change of part when rolling pressure component, and the sliding type limit disc is used for limiting the deviation of part, and hollow ring rolling roller length changes along with the change of part radius not only can effectively limit the deviation of part, but also makes the rolling pressure effect tend to be uniform.

This utility model relates to the field of conveyor belt technology and discloses a candied fruit conveyor belt, including a fixed frame. A fixed plate is fixedly connected to the outer wall of the fixed frame, and a conveyor roller is rotatably connected to the inner wall of the fixed plate. A conveyor belt body is disposed on the outer wall of the conveyor roller. A motor is disposed on one side of the outer wall of the fixed plate, and the output end of the motor is fixedly connected to the inner wall of the conveyor roller. A baffle plate is disposed below the conveyor belt body, and a limit component is disposed on the outer wall of the baffle plate. The limit component includes a knob, a threaded rod, and a connecting plate. The knob is disposed on the outer wall of the baffle plate, and one end of the threaded rod is fixedly connected to one side of the outer wall of the knob. In this utility model, the baffle plate is detachable due to the knob, threaded rod, sleeve, etc. When the baffle plate needs to be cleaned, rotating the knob drives the threaded rod to rotate, causing the sleeve to drive the fixed block three and the rotating block to move together, allowing the limit block to disengage from the fixed block two. Then, the limit component can be removed by sliding the connecting plate along the slide rail one, thus detaching the baffle plate.

The utility model discloses a bidirectional adjustable rigid supporting assembly of a generator, which relates to the field of generator supporting, and is characterized by comprising a lower supporting plate, a fixed plate, a movable plate, a vertical adjusting screw rod, a horizontal adjusting screw rod and a stop block. The problem of fatigue damage of the elastic support caused by large deviation between theoretical load and actual operation load in a severe environment is avoided, the service life is prolonged, the operation and maintenance cost is reduced, meanwhile, by means of cooperative operation of the vertical adjusting screw rod and the horizontal adjusting screw rod, the defect that the elastic support is difficult to realize accurate bidirectional adjustment is overcome, and the working efficiency is improved. Installation errors can be effectively compensated, position deviation in operation can be effectively coped, the problem of position deviation caused by deformation of an elastic element is solved, the matching precision of the generator and related parts is ensured, and extra mechanical loss is reduced.

The invention relates to the technical field of aircrafts, in particular to a freight unmanned aerial vehicle cargo hold tail door actuation system and a control method, and the actuation system comprises a door frame, a first cabin door, at least two second cabin doors, a lifting mechanism and a split mechanism. Specifically, the door frame is arranged on the periphery of an opening of a stern room; the first cabin door is hinged to one end of the door frame and used for closing the tail cabin opening close to the nose. The two second cabin doors are hinged to the two sides of the door frame in an oppositely-opened state correspondingly and used for closing the remaining part of the tail cabin opening; the lifting mechanism is used for controlling the first cabin door to be opened or closed and can be opened by a maximum angle when the first cabin door abuts against the ground or is limited by an external object, and the situation that the lifting mechanism is overloaded and damaged or continuously drives the first cabin door to be opened to cause damage to the cabin door or the fuselage is prevented. The opposite opening mechanism is used for driving the two second cabin doors to be opened or closed. The tail cabin door has the effects that the operation stability of the tail cabin door is improved, and damage to the tail cabin door or a fuselage when the tail cabin door is opened is reduced.

The utility model relates to the technical field of laser marking, and particularly discloses a marking clamp with a fixed angle direction error prevention function, which is matched with a marking device for use, and comprises a base, a centering block which is arranged on the base and is provided with a V-shaped groove, and a fixing device which is arranged on the centering block and is used for fixing a product. According to the utility model, the centering of the product is effectively realized through the centering block, the angular position is accurate through the overhead cooperation of the fixing device and the product, and the marking quality and efficiency are greatly improved; the structure is simple and practicability is high.

The utility model relates to linear motor technical field with heat dissipation structure especially relates to a linear motor with heat dissipation structure, including base, the base front and rear fixedly connected with connecting slide rail, the connecting slide rail top slidingly connected with sliding block. Through reserving heat dissipation cavity between the receiving bracket and the base, cooperate with the exhaust pipe and the adjustable direction's rotary connector pipe of receiving bracket right section inner wall intercommunication, have built "heat collection - directional discharge - air convection " efficient heat dissipation system, can quickly take away electromagnetic heat of stator winding produced in motor operation and the heat of sliding block, connecting slide rail friction, effectively avoid the problem such as winding insulation performance decline, parts thermal expansion and cold shrink of traditional motor because of high temperature, the shell body and side plate auxiliary heat radiation heat dissipation, further control motor operating temperature in reasonable range, significantly reduce motor failure risk, prolong the overall service life of motor, reduce the production loss because of equipment downtime.

The present application relates to the technical field of vacuum cavity equipment, and discloses a large-size vacuum cavity uncovering system for inkjet printing, which comprises a rack, a vacuum cavity, a sealing cover, a lifting mechanism, an anti-falling mechanism and a pressing mechanism. The vacuum cavity, the lifting mechanism and the anti-falling mechanism are all arranged on the rack, the sealing cover is used for sealing the vacuum cavity, the lifting mechanism is connected with the sealing cover to realize the lifting of the sealing cover, and the anti-falling mechanism supports the sealing cover after the sealing cover is lifted to a target position. The pressing mechanism is arranged on the vacuum cavity or the rack and is used for pressing the sealing cover on the vacuum cavity or releasing the sealing cover from the vacuum cavity. Through the cooperative operation of the mechanisms, the system improves the installation and fixing stability and the sealing reliability of the sealing cover, realizes the automatic operation of the opening and closing and pressing of the sealing cover, simplifies the operation process, and improves the use convenience and operation safety.

The utility model discloses a kind of convenient deburring device for metal processing belongs to deburring technical field.This kind of convenient deburring device for metal processing, including support frame and conveying mechanism, conveying mechanism is respectively arranged in the both sides of support frame, and it is equipped with to piece mechanism between two conveying mechanisms, the top surface of support frame is equipped with deburring mechanism, and the deburring mechanism includes fixed frame, the side of fixed frame is equipped with movable seat, and fixed frame is respectively rotationally connected with main cylinder and a pair of auxiliary cylinder by movable seat, the output end of main cylinder is hinged with connector, the bottom surface of connector is equipped with lifting seat, the bottom surface of lifting seat is equipped with polishing head, and the output end of a pair of auxiliary cylinder is respectively connected with limit rod, the utility model is used in cooperation with to piece mechanism by conveying mechanism, deburring mechanism, so that the deburring device can be handled to different thickness burr.

The utility model relates to the technical field of wedge type gate valves, in particular to a track balance wedge type gate valve which comprises a valve body, a valve rod is arranged in the valve body, the bottom end of the valve rod is fixedly connected with a valve clack, a reinforcing assembly is fixed in the valve body, and the reinforcing assembly comprises a mounting frame fixed in the valve body and a sliding rod fixed at the bottom end of the mounting frame. A contact piece is fixed in the valve body, the inner side of the contact piece is kept in contact with the outer side wall of the valve clack, the inner side of the contact piece is fixedly connected with a clamping block, a spring is fixed between the clamping block and the valve body, an inclined guide face is arranged at the upper end of the spring, and the guide face can make contact with a gate plate. As the flashboard moves downwards, the flashboard is continuously pushed leftwards to be embedded into the front end of the contact piece, when the contact piece moves outwards, the whole pressing process can be slowed down through a spring structure on the inner side of the flashboard, the flashboard is made to move upwards or downwards smoothly and stably, and through a clamping block structure of a side hole of the flashboard, deviation of a spring of the flashboard is limited, and the problem that the spring shakes is solved.

The utility model relates to the technical field of single crystal furnace supporting structures, in particular to a single crystal furnace damping supporting structure which comprises a plurality of damping assemblies, each damping assembly comprises a fixing sleeve, a connecting rod, a damping spring, a limiting sleeve and a sealing ring, and the end of the connecting rod penetrates through the fixing sleeve and is in sliding connection with the fixing sleeve; a mounting groove is formed in the top of the connecting rod in the axial direction, and the connecting rod is sleeved with the damping spring. The extension section of the damping spring is matched with the mounting groove to limit offset of the spring and improve stability, the limiting sleeve is in threaded connection with the connecting rod, the compression amount of the spring can be adjusted during mounting, the damping spring is convenient to disassemble and replace during later maintenance, and the defect that a traditional fixedly-mounted spring is difficult to replace is overcome. By means of the design, the stability of the damping spring in the using process is guaranteed, later maintenance is facilitated, and compared with a traditional damping spring installation mode, the practicability and reliability of the single crystal furnace damping supporting structure are improved.

The present application relates to laser welding auxiliary feeding mechanism technical field, specifically, a kind of flux collaborative supply device of laser electric arc composite welding equipment, it includes main body welding gun and flux supply box, main body welding gun end is provided with laser electric arc welding head, angle adjusting frame is fixedly connected with function assembly shell at one end far from main body welding gun, the inside of function assembly shell is provided with intelligent collaborative control module and drive assembly, the inside of main body welding gun is provided with supply assembly and collaborative component, the stable feeding of flux source head is realized by second servo motor in the inside of flux supply box cooperation take-up reel, simultaneously, through gear meshing drive structure in the inside of gun end sliding adjustment frame, auxiliary push is carried out to flux, effectively solve the problem of long-distance conveying driving force attenuation of traditional single-end push structure, avoid flux jam, supply phenomenon, guarantee flux supply continuous uniform.

This invention discloses a multi-stage drilling trajectory stabilizer, comprising an outer casing and an electric cylinder. An mounting cylinder is fixedly installed on the top of the outer casing, and an auxiliary stabilizing sleeve is fixedly installed inside the mounting cylinder. Two sliding grooves are formed inside the outer casing, and sliding rods are slidably installed inside each of the two sliding grooves. An extension connecting rod is threaded to the top of each sliding rod, and a connecting sleeve is fixedly installed on the top of each sliding rod. The invention employs a dual stabilizing structure with the auxiliary and main stabilizing sleeves working in tandem, guiding and constraining the drill rod during the drilling and deep hole machining stages respectively. This fundamentally ensures a straight drilling trajectory and precise hole positioning, significantly improving drilling accuracy and hole shape quality. The main stabilizing sleeve can move downwards in real time with the drilling depth, and a connector extends into the hole for auxiliary positioning, effectively solving the problems of drill rod wobbling and deflection during deep hole machining, reducing the risk of drill rod vibration and breakage, and extending the service life of the drill rod.

This utility model discloses a book flipping and conveying device, relating to the field of book processing technology. It aims to solve the problem of unstable conditions such as swaying and deviation of the conveyor belt due to the lack of effective auxiliary support structures, which affects the continuity and accuracy of book conveying. A front base plate and a rear base plate are respectively provided on the top surface of the base frame. A first conveying component and a second conveying component are provided on the top surface of the front and rear base plates, and a guiding mechanism is provided on the front base plate. This utility model uses six sets of uprights on the base frame, with adjustable connecting rods hinged to the top of the uprights, allowing for flexible adjustment according to the flipping of the conveyor belt. Simultaneously, a first, second, and third steering component can be detachably installed on the connecting rods. The guide wheels on each steering component are in contact with the inner wall of the conveyor belt, effectively limiting the swaying and deviation of the conveyor belt, greatly improving the stability of the first conveyor belt during operation, and ensuring the continuity and accuracy of the book conveying process.