15results about How to "No deviation will occur" patented technology

The utility model relates to the technical field of aerosol production, and concretely relates to a full-automatic aerosol filling line with a guide structure, which comprises a machine table body, a pushing mechanism, a guide positioning mechanism and a filling mechanism are arranged on the machine table body, the guide positioning mechanism comprises a positioning station, a fixed plate, a compression spring, a base and a return spring, the utility model carries out the guide positioning to the spray bottle on the positioning station through the guide positioning mechanism, the compression spring in the guide positioning mechanism can play the role of buffering in the process of injection, and the compression spring can also provide the fixed plate with the stroke of moving downward, provides the time for the horizontal movement of the fixed plate, when the filling head body moves downward into the spray bottle, the spray bottle above the fixed plate will move and adjust to the suitable position due to the action of the ball below, until the spray bottle is in the vertical state, and finally the amount and probability of liquid or gas propellant leakage are reduced.

The utility model discloses a high-pressure pipeline protection structure for construction close to a deep foundation pit, and belongs to the technical field of civil engineering construction.The high-pressure pipeline protection structure comprises a foundation, the foundation pit, an isolation ditch and reinforcing rods are formed in the foundation, the isolation ditch is located between the foundation pit and a pipeline fixing ditch, and a fixing plate is arranged in the pipeline fixing ditch; two groups of side top plates are arranged above the fixed plate; during use, rapid hoisting can be completed through the four sets of threaded shafts, the influence on the hoisting is further reduced, meanwhile, the side face top plates on the two sides can abut against the top of a foundation, a fixing plate is supported, the pipeline suspension effect is ensured, meanwhile, the suspension height can be adjusted by rotating a fixing nut, and the hoisting efficiency is improved. The top plate can be matched with the supporting plate at the bottom, the pipeline fixing effect is further achieved, the influence of foundation pit construction on surrounding pipelines can be effectively reduced, the safety of the pipelines is guaranteed, and meanwhile it is guaranteed that construction is conducted smoothly.

The utility model relates to the field of folding full -length mirror cleaning discloses a kind of cleaning mechanism of folding full -length mirror, including base, the top surface of the base is rotatably provided with rotating barrel, folding full -length mirror body is arranged in the inside of the rotating barrel, the top surface of the base is opened with rotating hole, the inside fixed with drive motor of the rotating hole, the output end of the drive motor passes through the rotating hole and is fixed with the bottom surface of the rotating barrel, the top surface of the rotating barrel is provided with sealing cover.In the utility model, the centrifugal force generated by rotation of the cleaning fluid in the inside of rotating barrel, so that cleaning fluid is deeply into the gap between the frame and mirror of folding full -length mirror body, thereby cleaning grease, sweat or other pollutants in gap, to achieve better cleaning effect.By this rotation can help cleaning fluid cover every corner of folding full -length mirror body, realize the effect of even washing.

The utility model discloses a paper pulp squeezer with tensioning mechanism, it includes frame, the inner chamber of frame is installed with squeezer cylinder, the front side intercommunication of squeezer cylinder has the discharge gate, the bottom of frame inner chamber is installed with drive motor, the output shaft fixed connection of drive motor has lower pulley, the rear side fixed connection of squeezer cylinder has upper pulley, the transmission connection with the belt between lower pulley and upper pulley, the inner chamber of frame right side is provided with two fixed shell, the bottom fixed connection of two fixed shell opposite side has rectangular block, the inner chamber of two fixed shell all rotatoryly connected with pulley, the transmission connection with transmission belt between two pulleys. The utility model discloses through squeezer cylinder, discharge gate and belt in the paper pulp and is pressed processing, through the cooperation of pulley, transmission belt and sliding block, make the tensioning piece will move position, in turn make the tensioning piece will carry out the force to belt, has guaranteed the belt tensioning degree.

The application relates to the technical field of centrifugal pumps, in particular to an energy-saving centrifugal pump with low radial force, which comprises a pump body, a pump shell is fixedly arranged on the pump body, a pump shaft is installed in the pump shell, an impeller is installed on the pump shaft, an auxiliary shaft support mechanism is also installed in the pump shell, the pump shaft is assisted and supported through the auxiliary shaft support mechanism, the auxiliary shaft support mechanism is connected with a self-locking assembly, the auxiliary shaft support mechanism drives the self-locking assembly to move, thereby realizing the locking of the auxiliary shaft support mechanism, the auxiliary shaft support mechanism is also connected with a wheel body fixing mechanism, an auxiliary shaft support frame is arranged in the pump shell, when the impeller is installed on the pump shaft, the impeller can drive the auxiliary shaft support frame to move, thereby making the auxiliary shaft support frame contact with the pump shaft from the periphery of the pump shaft, so that the pump shaft can be well assisted and supported, even if the bearing is worn, the pump shaft will not appear the phenomenon of deviation, and the support stiffness of the pump shaft is fully ensured.

This invention discloses a sensor chip positioning device, relating to the field of gas sensor chip welding technology. It includes a base fixedly mounted on a positioning platform. The base has a first sliding groove and a second sliding groove symmetrically arranged on it. A sensor positioning groove for embedding a sensor base is formed between the first and second sliding grooves. A chip carrier one is slidably arranged in the first sliding groove, and a chip carrier two is slidably arranged in the second sliding groove. A support plate is fixedly arranged at the end of chip carrier one facing chip carrier two, and a limiting plate is fixedly arranged at the end of chip carrier two facing chip carrier one. The support plate has symmetrically fixed limiting protrusions for engaging with two sets of parallel sides of the chip. A first locking plate is also fixedly arranged on the support plate, and a second locking plate is correspondingly arranged on the limiting plate. The first and second locking plates are used for engaging with the other two sets of parallel sides of the chip.

The utility model discloses a pressure sensor dispensing machine object placing platform adjusting structure which comprises a protective frame, a moving assembly is installed in an inner cavity of the protective frame, a dispensing executing mechanism is installed on the front side of the moving assembly, and a lower bottom plate is fixedly connected to the bottom of an inner cavity in the top of the protective frame. Two symmetrical supporting pieces are fixedly connected to the top of the lower bottom plate, a rotatable rotating rod is arranged on the surfaces of the two supporting pieces in a penetrating mode, three gears are fixedly connected to the surface of the rotating rod, two sliding teeth are arranged on the rear side of the top of the lower bottom plate, and the gears located on the two sides are meshed with the sliding teeth. According to the utility model, the pressure sensor is placed at the top of the object placing platform, and the rack, the gear and the sliding teeth are matched for use, so that the two sliding teeth can drive the object placing platform at the top to ascend to adjust the height, and then the adhesive dispensing execution mechanism can carry out adhesive dispensing processing on the pressure sensor.

The utility model discloses an optical lens processing edging device which comprises a bottom plate, an installation frame is installed on the rear upper portion of the bottom plate, a first hydraulic rod is installed at the upper end of the installation frame, the output end of the first hydraulic rod is connected with a connecting frame, and the lower end of the connecting frame is connected with an installation plate. The mounting plate is provided with a calibration assembly used for carrying out center positioning on the optical lens. A first motor is installed at the upper end of the connecting frame, the output end of the first motor is connected with a rotating disc, a limiting ring is installed on the outer side face of the rotating disc, and a connecting column is installed on the lower side face of the rotating disc. According to the edge grinding device for optical lens machining, the abutting rod and the calibration plate are driven to move downwards synchronously, the calibration plate is used for conducting center calibration on an optical lens firstly, then the abutting rod is driven in a matched mode to continue to move downwards, the optical lens subjected to center positioning is gradually pressed by the abutting rod, and when the optical lens is subjected to edge grinding, stress is balanced, and the edge grinding efficiency is improved. And the deviation phenomenon caused by excessive local polishing is avoided.

The utility model relates to the technical field of metal piece machining, in particular to a tapping machine with the adjustable tapping direction. The device comprises a base, one side of the base is provided with an adjusting mechanism, the adjusting mechanism comprises two fixing blocks, one sides of the two fixing blocks are both fixedly connected with the base, one sides of the two fixing blocks are both fixedly connected with supporting arms, the surfaces of the supporting arms are provided with guide grooves, and the guide grooves are fixedly connected with the base. A rack is fixedly connected to one side of the supporting arm, a supporting column is slidably connected to the inner surface of the guiding groove, a first threaded rod is in threaded connection to the inner surface of the supporting column, a fixing sleeve is slidably connected to one end of the first threaded rod, and a first motor is fixedly connected to one end of the fixing sleeve. A through groove is formed in the surface of the supporting column, and a driving plate is slidably connected to one side of the through groove. The problem that an existing tapping machine can only conduct tapping work in one direction and cannot conduct tapping by automatically adjusting and changing the direction is solved.

The utility model discloses a novel automatic welding device for a hinged support of a protective door, and relates to the related technical field of protective doors. The device comprises a top plate, a threaded rod, a threaded cylinder, a bottom plate, a sleeve and a welding assembly, the threaded rod is screwed in the threaded cylinder through threads, the upper end of the threaded rod extends out of the threaded cylinder and is rotationally connected to the bottom face of the top plate, and the bottom end of the threaded cylinder is rotationally connected to the upper portion of the bottom plate; the threaded cylinder is sleeved with a sleeve, and a welding assembly is arranged on the outer side of the sleeve. The welding assembly comprises two base plates symmetrically fixed to the periphery of the sleeve, a U-shaped frame is arranged outside each base plate, and a U-shaped groove is formed between the U-shaped frame and the base plate on the inner side of the U-shaped frame. Through the arrangement of the welding assembly, the sleeve, the bottom plate and the threaded cylinder, the problems that large and heavy hinged supports and hinges are inconvenient to stably weld, and the levelness of the welding position cannot be effectively guaranteed are solved.

The utility model relates to the technical field of welding machine auxiliary mechanisms, in particular to a positioning mechanism for a welding machine, which comprises a workbench. A pushing and clamping function plate is further included, a pushing plate is arranged in the middle of the upper end of the workbench, a pushing mechanism for controlling the pushing plate to move front and back is arranged on the workbench, and a first air cylinder is fixedly connected to the upper end of the pushing plate; by additionally arranging the positioning mechanism of the welded thin plate and arranging the pushing mechanism, the clamping mechanism, the distance adjusting mechanism, the rotating seat and the like, the distribution positions in the four pushing and clamping function plates are comprehensively controlled, the thin plates of different sizes are fixedly clamped and pressed on the surface of the main body block, and the angle can be adaptively adjusted; therefore, the thin plate can be accurately positioned on the surface of the main body block conveniently, deviation caused by pushing during welding is avoided, deviation of the welding position is avoided, the overall welding quality between the two plates is improved, and the problem that materials cannot be used due to unqualified welding and waste is caused is solved.

The utility model relates to an automobile luggage rack rubber strip punching device, in particular to the technical field of rubber product punching equipment. Comprising a support, a first mounting plate, a first driving air cylinder, an upper pressing block, a transverse cutting tool apron, an abutting block, a blade, a driving assembly and a punching mechanism. The problems that at present, no punching device can be accurately attached to a designed vehicle type to conduct rubber strip punching work, consequently, the accuracy of subsequently produced rubber strips is not enough, and the sealing performance is reduced are solved.

The application provides an etching method and a semiconductor process equipment, and relates to the technical field of semiconductors. The etching method is designed to solve the problem that, after etching a metal hard mask layer, rework processing is needed due to overlay error in photolithography, the critical dimension of a weak point region is rapidly reduced during the rework processing, and the yield is reduced. The etching method comprises the following steps: providing a semiconductor device, wherein the semiconductor device comprises a photoresist layer, an antireflection layer, a first dielectric layer, a metal hard mask layer, a second dielectric layer and an ultra-low dielectric constant material layer which are sequentially stacked; etching the antireflection layer with the photoresist layer as a mask to expose the first dielectric layer; and a deposition step, wherein the process gas used in the deposition step comprises methane. The application increases the critical dimension of the bottom of the weak point region, thereby expanding the process window after rework processing, so as to ensure that no deviation occurs when etching a vertical interconnection channel subsequently, thereby improving the yield after rework processing.

The utility model discloses a material belt guiding mechanism for a rewinding machine, which is characterized in that a mandrel is inserted in a bearing, an outer ring is sleeved on the outer side of the bearing, the mandrel and a supporting unit are fixedly arranged together, more than one mandrel limiting notch is respectively arranged on two sides of the mandrel, mandrel limiting screw holes are arranged at the positions of the mandrel limiting notches, and the mandrel limiting screw holes are matched with the mandrel limiting screw holes. A mandrel limiting screw is installed in the mandrel limiting screw hole, a nut of the mandrel limiting screw is partially exposed out of the outer side of the mandrel limiting notch and presses the bearing, the two sides of the outer ring are each provided with one or more outer ring limiting notches, and the outer ring limiting notches are provided with outer ring limiting screw holes. An outer ring limiting screw is installed in the outer ring limiting screw hole, and a nut of the outer ring limiting screw is partially exposed out of the outer side of the outer ring limiting notch and presses the bearing. According to the utility model, not only can the bearing be ensured to be positioned between the mandrel and the outer ring during installation, but also the bearing can be ensured to be always kept at the middle position between the mandrel and the outer ring during use, and the deviation phenomenon is avoided.