22results about How to "Protect appearance" patented technology

This invention relates to the field of arch breaker shell welding technology, and specifically discloses an automated welding device for arch breaker shells. A welding component is fixedly connected to the center of the top of the workbench, and positioning components are slidably connected to both sides of the top of the workbench. Placement seats are symmetrically arranged on the top of the workbench, with their bottoms slidably connected to the top of the workbench. One end of a lead screw is rotatably connected to the inner side of the workbench. This automated welding device for arch breaker shells can pre-adjust the extension position of the support frame according to the outer diameter of the flange matching different specifications of the arch breaker cylinder, so as to adapt to the flange outer diameter. When welding the cylinder and flange, the weld area continuously experiences high temperature, resulting in thermal expansion. After cooling, it contracts, which can easily cause the flange to shift axially and radially, leading to misalignment of the circumferential seam and uneven gaps. The support frame closely adheres to the edge of the flange end face, forming a circumferential limiting constraint to prevent movement during welding.

The invention relates to the technical field of steel structure engineering construction, in particular to a super-long independent steel column segmented locking type temporary stabilizing device and a construction method thereof, and is suitable for the overall lifting stage of a multi-layer aerial corridor. The device comprises a first locking assembly surrounding a concrete column and providing an X-direction lateral fulcrum; the second locking assembly is fixedly connected to the surface of the steel column to form a force transmission interface; and the connecting conversion assembly connects the steel column and the concrete column into a whole, so that the X-direction load of the steel column is transmitted to the concrete column in sections. The super-long steel columns are temporarily decomposed into short column stress sections with the length not larger than the designed length, and lateral displacement is remarkably restrained. The construction method comprises the steps that the device is installed at the corridor joint, pre-tightening force is synchronously applied, displacement is monitored in real time, overall dismantling is conducted after lifting is completed, and no residue exists after dismantling. The method is not pre-buried and fully recycled, super-long columns are restored to be in a short column stress state, lateral displacement is reduced, steel is saved, the construction period is shortened, green construction and appearance completeness are both considered, and the method is suitable for a large-span corridor overall lifting project.

The utility model discloses a PCBA (Printed Circuit Board Assembly) test fixture in the technical field of PCBA test, and aims to solve the problems of insufficient positioning accuracy, poor adaptability, insufficient clamping stability, damage to the surface of a PCB (Printed Circuit Board) and the like in the prior art. The jig comprises a jig body, a pressing and fixing mechanism and a clamping and fixing mechanism. The top side of the tool body is provided with a test groove used for placing a PCBA. The hold-down fixing mechanism effectively absorbs vibration and impact through the combined design of an electric push rod and a hold-down air cushion in combination with a spring and a shock absorber, and it is ensured that the PCBA is kept stable in the testing process; according to the clamping and fixing mechanism, a bidirectional threaded rod is matched with a servo motor, accurate movement of a clamping rod is achieved, PCBs of different sizes and shapes are rapidly adapted, and the positioning accuracy and adaptability are improved. By optimizing the clamping and positioning structure and the damping design, the performance of the PCBA test fixture is remarkably improved, and the PCBA test fixture has the advantages of high-precision positioning, high adaptability, stable clamping, PCB protection, convenience in operation and the like.

The utility model provides a kind of quick conveying line mechanism, the conveying line mechanism conveying line is divided into plane conveying and inclined conveying, it discards traditional belt conveyor, it is provided with handling assembly in plane conveying, and there is the roller conveying component in the innovative design on inclined conveying, reduce the dependence of independent jacking mechanism, further optimize space layout, so it has the advantages such as efficient conveying, low-loss handling and protection product surface.The utility model includes frame, product conveying line is installed on frame, and it is equipped with push part and roller conveying component on product conveying line, product conveying line is composed of plane conveying section and inclined conveying section, push part and roller conveying component are respectively installed on plane conveying section and inclined conveying section, and push part and roller conveying component are all used to push product element to move.The utility model is applied to product conveying line equipment technical field.

The application relates to a wafer detection probe station positioning device and relates to the technical field of wafer testing, which comprises a probe station plate, an adjustable positioning mechanism and a moving mechanism. The application has the advantages that when a wafer is placed into a detection hole, the edge of the wafer first contacts a buffer pad on the surface of a clamping plate, at this time, the spring is extruded to generate reverse elastic force, the clamping plate is driven to be attached to the wafer, and due to the elastic expansion and contraction characteristics of the spring, the clamping plate can automatically adjust the spacing according to the diameter and thickness difference of the wafer, so that different specifications of wafers can be adapted without replacing the detection hole assembly, thereby breaking the limitation that one detection hole corresponds to one wafer from the source, and meanwhile, after the clamping plate preliminarily fixes the wafer through the elastic force of the spring, the first electric push rod on the side of the vertical plate is started, the subsequent telescopic rod drives the extrusion block to move to the clamping plate, and finally the extrusion block is accurately inserted into the clamping plate.

The present application discloses a kind of thick and thin tube butt welding equipment, belong to welding equipment technical field, including welding body and conveying line: welding body is equipped with rotatable welding torch and the lower punch body of up and down movement, upper punch body, conveying line passes through welding body and contains first, second conveying lane arranged up and down, corresponding set conveying thick pipe, thin pipe's conveying belt.The conveying line is equipped with upper support plate and lower support plate, and the conveying belt is attached to move respectively;Support plate surface is equipped with evenly arranged fixing part, and the upper fixing part is a circular ring (solid thick pipe), and the lower fixing part is a plurality of clamping claws (distributed in the circumferential direction, and the center is provided with two end diameter large and middle part diameter small mounting hole to fix the thin pipe);The conveying belt is provided with a round hole in the middle of the fixing part, for the lower punch body to pass through.The work, conveying belt conveys pipe, lower punch body jacks up thin pipe to pass through round hole and thick pipe, upper punch body applies pressure, lower punch body arc surface expands thin pipe to adapt to thick pipe, and drive ring belt welding torch circumferential welding.

This invention relates to the field of air conditioning technology, specifically to a fresh air module and a fresh air air conditioner. The fresh air module includes a fan, a first chamber, and a second chamber. The first chamber is connected to the air inlet of the fan, and the second chamber is connected to the air outlet of the fan. The first chamber has a fresh air inlet and a first stale air inlet, and the second chamber has a fresh air outlet and a stale air outlet. Both the fresh air outlet and the first stale air inlet are connected to the interior, and both the fresh air inlet and the stale air outlet are connected to the exterior. A second stale air inlet is located on the side wall of the fresh air outlet and is connected to the first chamber. Valves are provided at the inner end of the fresh air outlet, the fresh air inlet, the first stale air inlet, the stale air outlet, and the second stale air inlet. The fresh air module and fresh air air conditioner provided by this invention have high extraction efficiency, fast indoor air renewal speed, excellent exhaust effect, reasonable structural space utilization, and are more aesthetically pleasing.

The scheme discloses a small-size oil cylinder general assembly device, which comprises a pair of clamping pincers capable of clamping along a Y direction, and further comprises a bottom plate extending along an X direction and a Y direction, and a positioning pin with an axis extending along a Z direction; the clamping pincers and the positioning pin are arranged on the bottom plate; a surface extending along the X direction and the Z direction is formed at a clamping point of the clamping pincers, and the axis of the positioning pin is on the surface; the positioning pin is movable and positionable along the X direction; a plurality of positioning pin mounting holes are arranged on the bottom plate along the X direction, and the positioning pin is inserted into one of the positioning pin mounting holes; and a limiting structure for limiting the positioning pin from being pulled out of the positioning pin mounting hole is further arranged. The scheme has the beneficial effects that the fixing problem of a cylinder body in the prior art is solved, the outer surface of the cylinder body is not scratched, the assembly efficiency is significantly improved, the appearance defects are greatly reduced, and the assembly demand of oil cylinders of multiple specifications can be met.

The utility model belongs to the technical field of automobile parts processing, specifically is a kind of positioning fixture for automobile parts processing, including fixed base;The fixed base side wall is provided with slot;The slot side wall is rotatably connected with two-way screw rod and penetrates fixed base wall body;The two-way screw rod side wall is connected with a pair of connecting block by screw thread;Two-way screw rod transmission has the characteristics of transmission smooth, high precision, can accurately control the moving distance of two clamping blocks, avoid clamping deviation, guarantee drilling position precision, increase the clamping effect of different specifications and sizes of parts, improve versatility, while the cooperation of spring rod one and elastic block, can be through elastic deformation compensation small error on the surface of part, further improve clamping stability, elastic block soft and elastic, when clamping, can avoid rigid contact with the surface of part, prevent part surface from being clamped, scratch, protect the appearance and precision of part.

The utility model is suitable for the technical field of welding fixtures, and provides a metal product tobacco frame basic part welding fixture which comprises a workbench, a limiting rod is welded to the top of one end of the workbench, and a limiting box is welded to the top of the middle of the workbench. According to the tobacco frame clamping device, a first bevel gear is driven to rotate through a first motor in the fixing assembly, a threaded rod is driven to rotate through a meshed second bevel gear, then a movable block, a push plate and a clamping plate are driven to move, the distance between the clamping plate and a limiting rod can be accurately adjusted, tobacco frames with different widths can be stably clamped, manual positioning deviation is avoided, and the tobacco frame clamping efficiency is improved. A second motor in the limiting assembly drives a supporting rod to rotate, and in cooperation with stretching and retracting of a first electric telescopic rod and a second electric telescopic rod, basic parts, needing to be welded, on the frame can be limited and fixed from multiple angles, it is guaranteed that the positions of the basic parts are accurate in the welding process, the welding precision is effectively improved, and the overall quality of the tobacco frame is guaranteed.

The application relates to a pencil core size detection equipment based on an intelligent sensor, and belongs to the technical field of pencil core size measurement. The application adopts three-stage diameter measurement sensor optical detection, cooperates with double-layer sub-bin subdivision of the screening barrel, realizes coarse division to fine division, initial inspection to re-inspection and final inspection of the pencil, is favorable for recognizing diameter deviation and rapidly performing size detection; and the cylinder one and the cylinder two cooperatively realize quantitative feeding, and prevent the pencil from being accumulated, blocked, spilled and thrown out.

The utility model discloses an automatic test fixture for a pressure sensor, which comprises a mounting assembly, the mounting assembly comprises a support frame, a clamping assembly is arranged behind the support frame, the inner wall of a rear side plate is fixedly connected with the tail end of an electric telescopic rod, and the output end of the electric telescopic rod is fixedly connected to the center of the inner side surface of the side plate. The mounting plate is fixedly connected to the rear of the bottom of the support frame. The utility model relates to the technical field of automatic test fixtures for pressure sensors. According to the automatic test fixture for the pressure sensor, through cooperation of a moving groove, a connecting frame, a side plate, an electric telescopic rod and other parts on the mounting plate, accurate clamping and positioning of the pressure sensor can be achieved, and the electric telescopic rod can adjust the clamping force and position according to needs; the problem that the applicability of the device is poor due to pressure sensors of different sizes during automatic detection of the pressure sensors is avoided, and the beneficial effect of improving the universality and flexibility of the clamp is achieved.

The utility model discloses a hydraulic oil tank finished product placing frame which comprises a supporting frame, the surface of the supporting frame is connected with a partition plate in a sliding mode, the left side and the right side of the supporting frame are fixedly connected with two symmetrical side plates, the tops of the side plates are fixedly connected with fixing sleeves, inner cavities of the two fixing sleeves are both connected with sliding plates in a sliding mode, and the sliding plates are fixedly connected with the left side and the right side of the supporting frame. First racks are fixedly connected to the opposite sides of the two sliding plates, connecting covers are fixedly connected to the tops of the opposite sides of the two fixing sleeves, connecting plates are slidably connected to inner cavities of the connecting covers, second racks are fixedly connected to the opposite sides of the two connecting plates, and the first racks are engaged with the second racks. A pull ring is pulled, then a movable rod, a second rack and a first rack are used in cooperation, a sliding plate can slide in an inner cavity of a fixing sleeve, then a mounting plate can slide on the surface of a supporting frame to adjust the partition plate to the needed height, and finally a circular ring is hung in a hole of a hook.

This utility model discloses a burr removal device, including a fixing platform for fixing a product and a cleaning mechanism for cleaning burrs on the product. The fixing platform is provided with a fixing component for fixing the product. The cleaning mechanism includes a burr cleaning needle and a driving component for moving the burr cleaning needle. Under the drive of the driving component, the burr cleaning needle moves in a direction that extends into or withdraws from the recesses on the product to clean the recesses. This utility model significantly improves the cleaning efficiency and quality of the burrs on the mid-frame product through an automated cleaning mechanism and monitoring system. This device not only reduces manual intervention and lowers labor costs, but also ensures that each recess is thoroughly cleaned through a precise cleaning needle and real-time monitoring, while protecting the product appearance and reducing potential product damage during the cleaning process.

The utility model provides a kind of food packaging roll film compression bonding device convenient to position, comprising: base;Column, it is fixedly installed on base upper end;Compression set, it is fixedly installed in one side of column;Positioning plate, it is fixedly installed on base upper end;Base upper end is fixedly installed with backing plate, backing plate one side is fixedly installed with lower pressing plate, and backing plate upper end is provided with conveyer.The kind of food packaging roll film compression bonding device convenient to position, by being provided with positioning plate and the structure such as structure, positioning plate inverted "L" shape structure provides stable installation foundation for component, electric telescopic link one, two cooperation rubber clamping plate, from different directions accurate adjustment roll film position, still can protect roll film surface, lower pressing plate and upper pressing plate accurate cooperation, clamping plate enhances its installation stability, combine hot-pressing and make roll film adhere more firmly, conveyer realizes roll film automatic conveying, reduce manual intervention, improve production efficiency and conveying accuracy, each structure jointly guarantees the compression bonding quality and the high efficiency of production.

The utility model discloses a clamping tool for foam board processing, which relates to the technical field of clamping and fixing devices, and adopts the technical scheme that the clamping tool comprises a processing table body, a foam board body is arranged at the top of the processing table body, a threaded rod is inserted into the processing table body, and a connecting frame assembly is sleeved outside the threaded rod; the clamping tool comprises a threaded rod, a connecting frame assembly is arranged on the threaded rod, clamping tool assemblies are arranged on the two sides of the connecting frame assembly, and the connecting frame assembly comprises an internal thread block and a connecting plate. The multiple clamping rubber barrels can be synchronously and relatively opened and closed compared with the center position of the machining table body, so that foam board bodies with different widths and sizes can be clamped and fixed, clamping devices of different models do not need to be replaced, and the machining efficiency of foam boards is improved.

The utility model provides a kind of motor vehicle engine noise vibration detection device, belong to engine monitoring technical field, including workbench.The utility model is placed in detection base by the fixed component being set, and the motor vehicle engine to be detected is placed on detection base when using, engine will first contact with the fixing plate of silica gel material, since first spring has elasticity, elastic deformation will occur after being subjected to the pressure applied by engine, first spring will automatically adjust deformation degree according to the shape and size of engine, and then drive fixing plate to move, let fixing plate closely adhere on engine surface, to stably fix engine on detection base, the stable fixing of fixing plate to engine can avoid additional vibration and noise generated by engine displacement, ensure the authenticity and accuracy of detection data.

This utility model discloses a circulating water soaking tank for tofu processing, including a soaking tank body with an inlet pipe at the bottom of one end and a drain pipe at the top of the side wall at the other end; two buffer plates disposed within the soaking tank body; and multiple support frames disposed between the two buffer plates and placed within the soaking tank body. The drain pipe of the soaking tank body is connected to the inlet pipe of another soaking tank body. This soaking tank, through the inlet pipe at the bottom and the drain pipe at the top of the side wall, allows for easy filling of the soaking tank with water to a specified level for soaking the tofu. Simultaneously, the support frames facilitate the placement of the tofu into the soaking tank, and the buffer plates prevent high-pressure water from entering the soaking tank body through the inlet pipe and contacting the tofu, thus avoiding damage to the tofu.

The utility model relates to the road roller engineering machinery container transportation field, concretely relates to a paint protection device for road roller containerization, based on road roller ontology, the road roller ontology includes front wheel frame, the outside of front wheel frame is equipped with more than 2 threaded mounting holes, the protection device includes the pressing plate and the soft material layer of cladding in the side of pressing plate, the pressing plate is equipped with the first connecting hole of position matching with threaded mounting hole, the soft material layer is equipped with the second connecting hole of same axis with first connecting hole, when assembling, screw passes first connecting hole and second connecting hole in proper order, is connected in screw thread in threaded mounting hole, and the soft material layer can make the pressing plate contact container scratch, provides the buffer effect, avoids the direct rigid impact of front wheel frame, effectively protects paint appearance, and will not fall off, and the above device has the advantages of simple structure, low cost, convenient to dismantle and reuse.

The utility model provides a boutique box counting and stacking device which comprises a transmission machine, an infrared counting machine is arranged on one side of the transmission machine, a guide plate is arranged at one end of the transmission machine, and a collecting box is arranged at one end of the guide plate. According to the boutique box counting and stacking device, by arranging a guide plate, a mobile phone box and other structures, balls of the guide plate are matched with rubber rollers of a limiting plate, friction is reduced, the product appearance is protected, stable and accurate conveying is guaranteed, the process reliability and efficiency are improved, the service life of the device is prolonged, and cost is reduced; the compatibility is enhanced; the baffle and the assembly thereof can effectively buffer collision, prevent products from being damaged and improve the yield; the connection design of the baffle and the base plate is convenient and practical, the structural durability is enhanced, the stacking stability, high efficiency and quality of the boutique boxes are powerfully guaranteed, and the baffle and the base plate jointly push production operation to be carried out orderly and efficiently.

The utility model discloses hydraulic equipment for equipment processing, which is characterized in that four corners of a base of the equipment are provided with fixing screws which are fixed with processing equipment, the middle part of the base is provided with circumferentially symmetrical sliding chutes, clamping seats in the sliding chutes are pushed by a hydraulic cylinder at the rear end, the inner sides of the clamping seats are detachably connected with clamping heads, and inverted T-shaped bottom grooves at the bottoms of the sliding chutes are matched with limiting parts at the lower parts of the clamping seats to prevent falling off; a positioning groove matched with a station positioning protrusion of machining equipment is formed in the lower portion of the base, and the fixing screw is rotationally connected with the base. The clamping seat and the clamping head are fastened by bolts and nuts through the fixed screw holes and the mounting screw holes which are aligned, and embedded groove bolts and nuts are arranged at the inner ends of the mounting screw holes. The equipment is stable and uniform in clamping, high in universality, convenient to mount and dismount, accurate in positioning and capable of protecting workpieces.