89results about How to "There will be no offset" patented technology

The invention discloses a bag making machine hot-sealing and hot-pressing mechanism capable of working stably. The mechanism comprises a fixing frame body, two guide sleeves, pull rods, a cutter fixing frame and a hot-sealing cutter. The upper ends of the pull rods are fixedly connected to the two ends of the cutter fixing frame respectively and each provided with an upper end abutting portion. The side wall of the upper portion of each pull rod is sleeved with a compression spring. The upper end and the lower end of each compression spring are connected to the corresponding upper end abutting portion and the top of the corresponding sleeve respectively in an abutting mode. At least one pull rod penetrates through the corresponding guide sleeve and then is in transmission connection with an intermittent motion mechanism. According to the bag making machine hot-sealing and hot-pressing mechanism, it can be ensured that the hot-sealing and hot-pressing positions and motion strengths of the hot-sealing cutter for air bubble films or pearl wool films under the hot-sealing and hot-pressing cutter are consistent all the time, and the hot-sealing cutter will not shift even if hot-sealing and hot-pressing are frequently and constantly carried out; accordingly, the working efficiency of the bag making machine hot-sealing and hot-pressing mechanism is greatly improved, and the service life of the bag making machine hot-sealing and hot-pressing mechanism is greatly prolonged.

The invention discloses a tail gas pipe cutting device for vehicle manufacturing. The device comprises a workbench, a first slide rail, a supporting table, a control panel, a power line, a cross beam,a machine head, a motor, an electrode bar, a clamping device and a dust sucking device; the supporting table is arranged at the upper end of the first slide rail and is in sliding connection with theouter side of the first slide rail; the front and back ends of the bottom of the control panel are fixed to the front side of the top end of the supporting table through screws; after a hand wheel isrotated, the distance between a left clamping rod and a right clamping rod changes, a tail gas pipe is put between the left clamping rod and the right clamping rod, then the left clamping rod and theright clamping rod clamp and position the tail gas pipe after the hand wheel is rotated reversely, the shifting condition is avoided during cutting, cutting is more convenient, and the work efficiency is improved. By arranging a rotary mechanism, after the tail gas pipe is fixed on a positioning board, a rocker can be pulled to change the angle of a rotary disc and the positioning board, then theangle of the tail gas pipe is adjusted accordingly, the tail gas pipe can be cut with the accurate angle, and the cutting quality is ensured.

The invention discloses a conveyer applied to an aluminum plate production line. The conveyer comprises a mounting seat, wherein stand columns are fixedly mounted on the two sides of the top of the mounting seat; a conveyer body is mounted at the top of the mounting seat; first grooves located between the two stand columns are formed in the top of the mounting seat; a rotating groove is formed inthe inner wall of the bottom of each first groove; the same rotating column is rotationally mounted in each rotating groove and the corresponding first groove and is fixedly sleeved with a first bevelgear; a threaded groove is formed in the top end of each rotating column, and a screw is in threaded connection with inside of the threaded groove; the top ends of the screws extend to the position above the mounting seat, and fixing blocks are fixedly mounted at the top ends of the screws. The conveyer is simple in structure and convenient to operate, an aluminum plate can be rapidly and conveniently prevented from deflecting in a conveying process, and production efficiency of the aluminum plate is improved; the conveyer adapts to conveying of different sizes of the aluminum plates by meansof lifting of partition boards, so that demands of workers are met.

The invention relates to a hydraulic plate shearing machine. Cutting work of thin steel plates is completed through cooperation of a bottom plate, side plates, a feeding device, a cutting device and a stacking device. The hydraulic plate shearing machine can solve the problems that during manual shearing, because unreeled thin steel plates are directly sheared firstly, and then the sheared thin steel plates are manually collected and stacked, manual shearing wastes time and labor, and in the shearing process, it is difficult to guarantee that the sizes of the sheared thin steel plates are consistent, and when an existing hydraulic plate shearing machine shears the thin steel plates, because an intermittent feeding and shearing mode is usually adopted for shearing the thin steel plates, the shearing efficiency of the thin steel plates is low due to intermittent feeding and shearing, and because the existing hydraulic plate shearing machine does not limit and guide the thin steel plates in the movable feeding process during shearing, the thin steel plate deviates in the feeding process, and then the shapes of the thin steel plates are irregular after the thin steel plates are sheared.

The invention discloses a cloth winding device with an anti-deviation structure and for textile product production, and belongs to the technical field of industrial cloth production. The cloth windingdevice with the anti-deviation structure and for textile product production comprises a base. A guide roller is rotationally connected in a guide table. An auxiliary mechanism is arranged on a firstmounting column. An adjusting roller is rotationally connected to a swing rod. A torsion spring is connected to a first rotating shaft in a sleeving manner. A first belt wheel is connected to the first rotating shaft. A second belt wheel is connected to a second rotating shaft. The first belt wheel is rotationally connected with the second belt wheel through a belt. An expansion disc is connectedto the second rotating shaft. First sliding blocks are in sliding connection in first sliding grooves. A first spring is arranged in each first sliding groove. An extending rod is rotationally connected to each first sliding block and is attached to the expansion disc. A tension roller is connected to each extending rod. A winding mechanism is arranged on a fourth mounting column. The angle of thetension rollers is automatically adjusted through the swing rod to change the tension, and the subsequent cloth winding tension is increased in real time through a lifting auxiliary roller.

The invention discloses an electric panel opening mechanism for a rollable hidden laser television all-in-one machine. The lifting panel mechanism is composed of a first driving motor, a first driver,a lifting driving rod, a first bevel gear, a lifting lead screw, a second bevel gear, a driving lead screw nut, a lifting guide rail assembly, a lifting connecting piece and a lifting aluminum alloypanel. The translation panel mechanism is composed of a second driving motor, a second driver, a translation driving rod, a synchronous belt assembly, a translation sliding block assembly, a translation guide rail assembly, a translation connecting piece and a translation aluminum alloy panel. The electric panel opening mechanism is reasonable in structure, the laser projection display equipment can be fixedly installed in the laser television all-in-one machine, when a user watches television, the lifting aluminum alloy panel and the translation aluminum alloy panel are moved away, the laserprojection display equipment is directly projected on a curtain, deviation is avoided, the position does not need to be adjusted every time, and when the laser projection display equipment is not used, the through groove in the cabinet body panel is in a closed state, and dust is prevented from entering.

The invention relates to the technical field of electronic components, and discloses a drilling device for electronic component machining. The drilling device for electronic component machining comprises a supporting plate; clamping devices are arranged on the upper surface of the supporting plate; the clamping devices comprise second electric push rods; horizontal plates are fixedly connected tothe inner side surfaces of the second electric push rods; clamping fixing plates are fixedly connected to the tops of the inner side faces of the horizontal plates; and buffer layers are arranged on the lower surfaces of the clamping fixing plates. According to the drilling device for electronic component machining, by enabling the inner side faces of the two groups of horizontally moving horizontal plates to abut against the left side face and the right side face of the electronic component to fix the electronic component for the first time, and then enabling the lower surfaces of the two groups of buffer layers to abut against the left side and the right side of the upper surface of the electronic component to fix the electronic component for the second time, the fixing effect of the electronic component is improved, and the situation that the electronic components deviate during punching is avoided; and moreover, the device can fix the electronic components with different sizes, sothat the accuracy of the device is guaranteed.

The invention discloses cutting equipment for wood furniture processing. The cutting equipment for the wood furniture processing comprises fixed frames, a fixed device, a hydraulic box, a conveying device, a cutting disc and an exhaust fan; the fixed device comprises a tightening bolt, a fixed plate, baffles, a connecting plate and a movable plate; and the conveying device comprises the fixed frames, supporting plates, rotating wheels, an inclined plate, horizontal rollers and perpendicular rollers. The situation that people are injured due to contact between an operator and the cutting disc of a cutting machine can be avoided; and the problem that a notch of large wood is not tidy during cutting operation of the large wood can be solved through the fixed device and an accuracy rod. In addition, an air outlet is formed in the bottom of a housing, and collection of wood chips can be completed by using the exhaust fan and a collecting box, so that the problem that a fire disaster happensdue to the fact that the wood chips are not cleaned in time is solved.

The invention provides a multi-angle cutting device for glass fiber reinforced plastic tube processing, relates to the technical field of glass fiber reinforced plastic tube processing equipment, and aims to solve the problem that when an existing cutting device is used, a glass fiber reinforced plastic tube is pushed by hands to move, so that an operator feels tired. The multi-angle cutting device comprises a frame body, wherein a clamping groove is formed in the side face of a side face baffle plate of the frame body, and an adjusting mechanism is mounted at the top of the frame body; protruding blocks are arranged on the two sides of a sliding plate in the adjusting mechanism, and the sliding plate is mounted in a sliding groove in a sliding mode; a pushing mechanism is mounted on the side surface of the frame body; a push rod in the pushing mechanism penetrates through the side surface of the frame body and is mounted on the side surface of the sliding plate; threaded rods are mounted on the two sides of the top of a carrying plate, the carrying plate is mounted at the bottom of the frame body through the threaded rods on the side face of the top, and a motor is mounted on the top of the carrying plate; and a cleaning piece is mounted at the bottom of the frame body. An arc-shaped structure on the side face of a push plate fits the abdomen of an operator to assist movement of the sliding plate.

The invention provides an indentation measuring device for detecting a Brinell hardness tester, and relates to the technical field of indentation measurement. The indentation measuring device for detecting the Brinell hardness tester comprises a mounting base, wherein a fixing block is fixedly mounted on the upper surface of the mounting base; and the top of the fixing block is fixedly connected with a sleeving rod; the outer surface of the sleeving rod is sleeved with a sleeving block; one side of the sleeving block is fixedly provided with a reading microscope; the other side of the sleevingblock is in threaded connection with a locking bolt; and the inner side wall of the mounting base is rotatably connected with a first rotating rod through a bearing. According to the invention, through the cooperation of structures such as a first transmission assembly, a second transmission assembly and a third transmission assembly, a clamped standard hardness block is enabled to be always located under the reading microscope, the deviation condition is avoided, and the indentation measurement accuracy is improved. Meanwhile, the four clamping blocks can be suitable for standard hardness blocks with different diameters, the universality of the whole device is improved, and the practicability is high.

The invention discloses a fixing device for motor end cover machining, and relates to the technical field of motor machining. The fixing device for motor end cover machining comprises a mounting box,wherein an annular plate is welded and mounted in the mounting box; a mounting plate is arranged at the top of the annular plate; an annular sliding groove is formed in the annular plate; an annular sliding block is slidably mounted in the annular sliding groove; the bottom of the mounting plate and the top of the annular sliding block are fixedly mounted; the mounting plate and the annular sliding block are slidably mounted; and a fixing plate is welded to the top of the mounting box. According to the fixing device for motor end cover machining provided by the invention, a motor end cover canbe clamped and fixed, so that the next tapping operation is facilitated; and the motor end cover can still rotate after being fixed, so that the situation that the position needs to be repeatedly clamped and adjusted during transposition tapping is avoided, the problem that the machining efficiency is affected due to repeated clamping is avoided, on the other hand, troubles brought to an operatordue to repeated clamping are avoided, and the practicability and the convenience of the device are effectively enhanced.

The invention provides a main conveying device, a feeding device and a numerical control edging machining center, and belongs to the field of machining centers. The main conveying device comprises a rack, a motor, a driving gear, a driven gear, a conveying belt and a plurality of rollers, wherein the motor, the driving gear and the driven gear are installed on the rack, the motor is in driving connection with the driving gear, the conveying belt is wound between the driving gear and the driven gear and engaged with the driving gear and the driven gear, the multiple rollers are installed on therack and arranged at intervals in the direction from the driving gear towards the driven gear, the rollers are engaged with the conveying belt, and the rollers are located on the inner side of the conveying belt. The main conveying device makes use of the engagement among the driving gear, the driven gear and the conveying belt to form stable conveying, the rollers can form a support to the conveying belt, the plates of various sizes and shapes can be better conveyed so that the plates can move along the straight line and can be avoided from lateral deviation, and the straightness of the processed plates is guaranteed.

The invention discloses anti-crack type freezing well wall concrete and a preparation method thereof. The concrete is C70 anti-crack type concrete, and comprises cement, fine aggregate, coarse aggregate, fly ash, an additive, an expanding agent, fibers and water. On the basis of the mix proportion of the inner wall of an existing freezing shaft, the expanding agent, the fibers and the like are added, and the quantity of the expanding agent and the fibers and a specific preparation method are determined through a mix proportion experiment. Compared with a reference group, the crack-resistant frozen well wall concrete has the advantages that: the early-stage compressive pre-stress is 36.6% higher, the second zero stress time is prolonged by 15%, the cracking temperature drop is increased by 20.7%, the tensile stress increase rate is reduced by 90%, and the cracking stress is increased by 10%. The concrete has high shrinkage compensation and early-stage temperature crack resisting effects.

The invention provides a multi-purpose platform device for mechanical part machining, and relates to the field of machining. The multi-purpose platform device for mechanical part machining comprises an operation table, table feet and a storage groove; the table feet are welded to the four corners of the bottom of the operation table, the storage groove is embedded in one side of the top of the operation table, the side, away from the storage groove, of an inner cavity of the operation table is rotatably connected with a driven disc, a linking table is welded to the top end of the driven disc,and a fixed clamping plate is welded to one side of the top end of the linking table. The driven disc and a driving disc are arranged, the device can rotate, and therefore during part machining, partangle can be adjusted without detaching of the clamping plate, it is ensured that the work efficiency is improved, and the device has the good development prospect.

The invention provides a rapid automatic zooming device for adjusting the position of a lens, and the device comprises a fixed seat which is provided with a pedestal at the lower part and a step seatat the upper part; a moving seat which is arranged in the step seat and is detachably connected with the lens; a large gear the middle of which is provided with a focusing cylinder, wherein the outerside of the focusing cylinder is in threaded connection with the step seat, the step seat is provided with an axially-arranged guide groove, and the movable base is fixedly provided with a guide nailcapable of being matched with the guide groove; the transmission mechanism is used for providing power for the rotation of the gearwheel; and the bottom cover is arranged at the joint of the base andthe step seat. According to the quick automatic zooming device, under the condition that the power and the rotating speed of the motor are not changed, the focusing speed of the mechanism is increasedthrough a gear and thread pair combined mechanism.

The invention discloses a scratch-proof protective film winding mechanism and a slitting module. A bearing bracket, a limiting device, a winding device and a receiving device are included, wherein thelimiting device, the winding device and the receiving device are all arranged on the bearing bracket; the limiting device includes a first limiting component and a second limiting component, whereinthe first limiting component and the second limiting component are arranged on the bearing bracket; and the winding device comprises a winding frame and a plurality of winding components, the windingframe is arranged on the bearing bracket, and each winding component is arranged on the winding frame. The invention realizes automatic winding of protective films, can wind a plurality of protectivefilms at a time, improves the winding efficiency of the protective films, and facilitates winding; in addition, a winding paper tube is prevented from sliding left and right along a winding roller, the offset condition is ensured to be avoided during winding of the protective films, and the problem that the protective films on the paper tube are untidy is avoided; and meanwhile, the winding efficiency is improved, and the output of the protective films is improved.

The invention discloses a printed circuit board, a display module and an LED display screen. The display module comprises the printed circuit board, and the printed circuit board comprises a copper-clad plate layer, a first prepreg layer, a first copper foil layer and a first insulating layer which are stacked in sequence from bottom to top; the first copper foil layer is provided with a first bonding pad, and the first insulating layer is provided with a first through hole penetrating in the thickness direction; and the first bonding pad is located in the first through hole. When the display module is manufactured, soldering paste can be arranged in the first through hole, the positions of the first bonding pad and the soldering paste are relatively fixed under the limiting effect of the inner side wall of the first through hole, and the situation that the positions of the soldering paste and the first bonding pad deviate is avoided. Therefore, when the soldering paste is arranged, the inner side wall of the first through hole plays a role in limiting, the printing precision of the soldering paste is improved, and the problems of yin and yang screens of the display screen caused by position deviation of the bonding pad and the soldering paste are solved.