26results 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.

This utility model discloses an adjustable motorcycle left cover curved surface positioning fixture, relating to the field of motorcycle parts processing technology. The adjustable motorcycle left cover curved surface positioning fixture includes a base plate, a rotating mechanism, and a clamping assembly. A rotating column is rotatably mounted on the top of the base plate, and a clamping platform is fixedly mounted on the top of the rotating column. This adjustable motorcycle left cover curved surface positioning fixture, through a self-locking bidirectional lead screw, can drive two sets of clamping positioning rods to move flexibly. It can quickly adjust the positioning position according to the curvature and size differences of different motorcycle left cover models, eliminating the need for custom-made fixtures for each left cover, significantly reducing equipment procurement and storage costs. It also avoids the cumbersome process of disassembly and reassembly required when changing fixtures, shortening changeover time and adapting to batch processing scenarios of multiple left cover models, improving production flexibility. Furthermore, the self-locking lead screw drives another set of clamping positioning rods to move, forming a three-set clamping positioning rod system for coordinated fixation.

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 application discloses a side coating detection upper and lower feeding point glue machine, including a machine table, the machine table is provided with feeding carrying mechanism, film tearing mechanism, transfer point glue platform, point glue mechanism and unloading mechanism, through the feeding carrying mechanism, the film tearing mechanism, the transfer point glue platform, the point glue mechanism and the unloading mechanism realize product feeding, tear protective film, side edge point glue, appearance detection, classification unloading and other process integration in one body.The application realizes full-process linkage operation, improves operation efficiency, realizes product batch scale production demand at the same time, saves factory occupation space, realizes compatibility to different width products, provides application range, realizes traceless film tearing, protects product appearance, realizes real-time quality inspection in product point glue process, and cooperates with unloading mechanism to carry out automatic sorting, reduces the probability of manual missed detection and misdiagnosis, further guarantees product processing yield.

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.