5results about How to "Limit fixed and stable" patented technology

The utility model relates to the technical field of dust treatment devices, in particular to a dust collection and purification treatment device which comprises a water storage purification tank, a filter screen is detachably connected to the interior of a cylinder of the upper half portion of the water storage purification tank, and an air outlet pipe is fixedly installed on a box body on the side edge of the top of the water storage purification tank. An air suction fan is arranged on one side of the water storage purification tank, a conveying pipe is fixedly installed at the air outlet end of the air suction fan, a uniform distribution cover is fixedly installed at the air outlet end of the conveying pipe, a plurality of rolling wheels are fixedly installed at the bottom of the water storage purification tank, and front and rear fixing frames are fixedly installed on the left and right side faces of a bottom tank body of the water storage purification tank; the fixing frame comprises a side edge plate fixedly installed on the water storage purification tank, a soil inserting rod is inserted into the side edge plate in a matched mode, and a limiting disc is fixedly installed on the soil inserting rod. The dust collecting and purifying device can collect and purify dust, and is convenient to move, limit and fix.

The utility model discloses a polyferric chloride liquid quantitative filling device, which relates to the technical field of polyferric chloride filling and comprises a support, a conveyor belt is mounted at the upper end of the support, and a controller and a liquid storage tank are mounted on one side of the support. Liquid in the liquid storage box is conveyed into the filling head through a pump and a pipeline, the filling head is installed on the liquid inlet box, an electromagnetic valve and a flow meter are installed on the filling head, a second air cylinder installed at the upper end of the liquid storage box is connected with the upper end of the liquid inlet box, two sets of circular plates are arranged on the filling head, and the circular plates are used for fixing bottles and preventing the liquid from splashing out. An anti-dripping assembly is installed on one side of the conveying belt. The height-adjustable double-circular-plate structure is arranged on the filling head, stable limiting and splash-proof protection of a bottle are achieved through contact between the double-circular-plate structure and a bottle opening, height adjustment and convenient disassembly and assembly are achieved through the sliding connection assembly, and safety, cleanliness and equipment applicability in the filling process are improved.

The invention discloses a module testing machine for simulating heating and heat dissipation of a new energy vehicle-mounted circuit board, and relates to the technical field of heat dissipation module testing, and the module testing machine comprises a machine body, the top of the machine body is fixedly connected with a stand column, the top of the stand column is provided with a pressure head assembly, and the top of the machine body is fixedly connected with a test bed. A positioning assembly is arranged outside the test bed, a mold assembly is placed at the top of the test bed, the mold assembly comprises a base plate, and the base plate is placed at the top of the test bed. According to the testing machine for simulating the heating and heat dissipation module of the new energy vehicle-mounted circuit board, a positioning structure can be quickly customized through 3D printing on the substrate according to a heat dissipation assembly structure, a light high-strength plastic material is adopted, a modular heat-resistant block is inserted into a substrate clamping groove, and the testing machine is made of high-temperature-resistant ceramic, can be repeatedly disassembled and assembled and can be reused across the substrate; the temperature sensor monitors the temperature of the simulated heat source in real time, low-cost customization, efficient resource utilization and accurate temperature monitoring are achieved, and stable operation of equipment is guaranteed.

This utility model relates to the field of semiconductor processing equipment technology, and more particularly to a cooling drainage device for semiconductor processing. It includes a cooling water tank, with lifting components on both sides of the tank, and a fixing component mounted on the lifting components, the fixing component located inside the cooling water tank. In this utility model, the wafer semiconductor is directly placed on the placement plate of the fixing component. After the fixing component descends, the wafer can be quickly immersed in the coolant in the cooling water tank, achieving direct contact cooling. Unlike the prior art where cooling pipes are located on the side of the cooling tank and indirect cooling of the semiconductor requires waiting for the water level to rise, this device avoids cooling delay, significantly accelerates heat transfer, and significantly improves the cooling efficiency of the semiconductor, meeting the stringent requirements of semiconductor production for cooling timeliness.

The utility model discloses a photoetching photomask box compatible with various mask plates. The photoetching photomask box comprises a photomask box main body, a plurality of groups of placing plates are arranged in the photomask box main body, the plurality of groups of placing plates are connected through a plurality of groups of adjusting assemblies, and accommodating grooves are formed in the upper and lower ends of the placing plates; the adjusting assembly is used for adjusting the positions of the multiple sets of containing plates and is composed of a connecting frame, a moving frame, a first rotating rod, a second rotating rod, a sleeve and a moving rod, the connecting frame is fixedly connected to the outer side of one containing plate, the moving frame is fixedly connected to the outer side of the other containing plate, and the first rotating rod is located between the connecting frame and the moving frame; the second rotating rod is rotationally connected to the outer side of the first rotating rod, the sleeve is fixedly connected to the interior of the connecting frame, the moving rod is slidably connected to the interior of the sleeve, and compared with an existing photoetching photomask box, the overall practicability of the photoetching photomask box can be improved through the design.