9results about How to "Meet different requirements" patented technology

The application provides a lower electrode feed-in device and a semiconductor processing equipment, the device comprises a radio frequency feed-in assembly, one end of the radio frequency feed-in assembly is used for electrically connecting with a radio frequency source, and the other end is used for electrically connecting with a chuck assembly; the radio frequency feed-in assembly comprises at least two radio frequency feed-in pipes and at least one radio frequency adapter pipe; wherein, each two adjacent radio frequency feed-in pipes are provided with a first matching part, the radio frequency adapter pipe is provided with two second matching parts, and the two second matching parts are matched with the first matching parts of the two adjacent radio frequency feed-in pipes respectively, so that the radio frequency adapter pipe is detachably connected with the two adjacent radio frequency feed-in pipes and electrically connected. The scheme can not only more conveniently disassemble and assemble the radio frequency feed-in pipe, but also better ensure the assembly consistency of each machine, and can select a solid-state medium, so that the problem that the solid-state medium is not easy to disassemble and assemble does not exist, thereby the occupied space of the lower electrode feed-in device can be reduced, so that more space can be used for optimizing other lower electrode components.

This utility model relates to the field of sampling technology for building materials, and discloses a sampling device for testing building materials, including a sampling mechanism, a transmission mechanism, and a main body mechanism. The sampling mechanism is located on the outer wall of the transmission mechanism, and the transmission mechanism is located on the outer wall of the main body mechanism. The sampling mechanism includes a sampling barrel, a control cylinder is fixedly connected to the upper surface of the sampling barrel, a pneumatic connecting rod is fixedly connected to the outer wall of the control cylinder, and a scraper is fixedly connected to the lower surface of the pneumatic connecting rod. This utility model, by setting the sampling barrel fixedly connected to the control cylinder, and the control cylinder fixedly connected to the pneumatic connecting rod, allows the pneumatic connecting rod to retract via the control cylinder. The pneumatic connecting rod is fixedly connected to the scraper. After sampling, the scraper can be moved by the control cylinder, thereby effectively cleaning residual materials on the inner wall of the sampling barrel and ensuring the accuracy of subsequent sampling and testing.

The utility model relates to the field of winnowing machines, in particular to a circulating winnowing stoning machine which comprises a base shell, a feeding port, an air inlet, a first discharging port and a second discharging port are formed in the base shell, a feeding hopper is arranged at the position of the feeding port of the base shell, an air blower is arranged at the position of the air inlet of the base shell, a conveying belt is arranged in the base shell, and a partition plate is arranged on the conveying belt. The partition plate divides the conveying belt into a first conveying path and a second conveying path, a first adjusting plate is adjustably arranged on the partition plate so as to adjust the size of an opening in the top of the first conveying path and the size of an opening in the top of the second conveying path, the first conveying path is connected with the first discharging port, and the second conveying path is connected with the second discharging port; the feeding port and the air inlet are located above the partition plate, the first conveying path is arranged close to the air inlet, the second conveying path is arranged far away from the air inlet, materials of the feeding port face the upper portion of the first conveying path, and the air blower blows the light part of the materials to the second conveying path through the air inlet. The winnowing effect of the winnowing machine can be improved.

The utility model discloses a kind of book cover clamping machines with adjustable spacing, the utility model relates to book processing technical field. Including base, the outer wall of base top is fixedly connected with T-shaped workbench, the wall of T-shaped workbench is equipped with limit slot, further include;Adjusting device, the outer wall of adjusting device is fixedly connected with the outer wall of base;Pushing device, the outer wall of pushing device is fixedly connected with the outer wall of adjusting device;Adjusting device includes cylinder, the outer wall of cylinder is fixedly connected with connecting rod, the both ends of connecting rod are fixedly connected with sliding block, the inner wall of sliding block is rotatably connected with two-way screw rod, the both ends of two-way screw rod are fixedly connected with rotating disc, the outer wall of two-way screw rod is symmetrically screw-connected with support frame, in adjusting device, cylinder drives connecting rod to slide to adjust overall position, flexibly change spacing, can cope with different size book cover, improve equipment versatility, satisfy different requirements of book cover clamping spacing when various books are framed.

The invention discloses a sub-boiling distillation device utilizing azeotropic heat supply, and belongs to the technical field of distillation and purification. Comprising an azeotropic evaporation part, a sub-boiling distillation part nested in an azeotropic chamber, a condensate circulation control part and an integrated jacket structure. Heat is supplied through azeotropic evaporation, the sub-boiling state is automatically maintained through temperature gradient, and complex temperature control is not needed; secondary pollution is avoided through cooperative control of a non-contact liquid level sensor and a condensate buffer tank, and the evaporation temperature can be accurately controlled by adjusting the pressure or changing the composition of an azeotropic zone; the device has a single sub-boiling mode and a continuous two-stage distillation mode. A surface area enhancing inner component can be additionally arranged in the sub-boiling chamber, a liquid column is formed through surface tension, and the distillation efficiency is remarkably improved. The device is simple in structure, high in heat efficiency, good in purification effect and suitable for laboratory high-purity reagent preparation.

The invention relates to a lightweight composite material anti-collision beam and a preparation method thereof. Comprising the following steps that a cavity of a composite material anti-collision beam shell is partially filled with foam materials or completely filled with the foam materials with different densities, a filling layer with density changes is formed in the composite material anti-collision beam shell, the foam materials are cured, and the lightweight composite material anti-collision beam is obtained. According to the preparation method of the lightweight composite material anti-collision beam, pseudo-plastic failure energy absorption of the composite material anti-collision beam is realized, so that the technical problems that an existing composite material anti-collision beam is prone to layering and tearing after collision and cannot fully absorb collision energy, and then brittle fracture of the anti-collision beam is caused are solved.

The utility model discloses a grading screening machine for rhizoma bletillae freeze-dried powder, which belongs to the technical field of rhizoma bletillae freeze-dried powder processing and comprises a base, a discharge bin, a vibration component and a grading screening device. The discharging bin is fixedly arranged above the base, and the upper end of the discharging bin communicates with the classified screening device through a hollow supporting column. A feeding hole is formed in the top of the grading screening device, and a first-stage particle size screening disc, a second-stage particle size screening disc and a third-stage particle size screening disc are uniformly and movably arranged in the grading screening device in sequence from top to bottom; the vibration assembly comprises four groups of damping springs, a connecting plate and a driving unit; the four damping springs are fixedly arranged at the four corners of the discharging bin correspondingly, the tops of the damping springs are fixedly connected with a connecting plate, and a through hole is formed in the middle of the connecting plate and sleeves the supporting column. The connecting plate is fixedly connected with the bottom of the grading screening device; the output shaft of the motor is fixedly connected with the connecting rod through the rotating shaft to drive the connecting plate and the grading screening device, freeze-dried powder of different particle sizes can be accurately separated through multi-stage layer-by-layer screening, the uniformity and stability of products are greatly improved, and the screening efficiency is improved.

The application discloses a power supply device, method and system of a wireless network device, comprising a control device, a power supply device and at least one load power supply device; any load power supply device comprises a first controlled module and a load module connected with the first controlled module; the power supply device is connected with the control device and the first controlled module respectively; the control device is configured to acquire power supply parameters of the power supply device; wherein the power supply parameters at least comprise a power supply type and a power supply power range of the power supply device; at least one first controlled module corresponding to the power supply parameters is obtained from a preset first matching database according to the power supply parameters, so as to take the load module corresponding to the at least one first controlled module as a power supply object of the power supply device. The embodiment of the application can meet different requirements of different wireless network devices on a power supply end, thereby solving the problem of insufficient power supply and improving the power supply energy-saving effect.

The utility model discloses a structure of an electric shaver with an adjustable cutter head angle, which relates to the technical field of electric shavers. It includes a shaver main body, and a cutter head assembly is arranged above the shaver main body. An adjusting mechanism is arranged inside the shaver main body. The adjusting mechanism includes a fixed base and an adjusting top plate. An adjusting worm is rotatably connected to the bottom of the adjusting top plate. Arc-shaped support plates are fixedly connected to both ends of the adjusting top plate. A limiting worm wheel is fixedly connected to the middle of the fixed base. Through the settings of the fixed base, the adjusting top plate, the adjusting worm, and the limiting worm wheel, the rotation of the adjusting worm can drive the adjusting top plate to swing on the fixed base, and the swinging of the adjusting top plate drives the adjusting connecting rod to swing, thereby adjusting the cutter head angle of the device, enabling the device to meet the different requirements of the cutter head inclination angle when the user shaves the beards of different parts, and effectively improving the applicability and comfort of the device.