11results about How to "Achieve fixed clamping" patented technology

The utility model provides a kind of SMT patch special-shaped component clamping jig, it is related to clamping jig technical field, including movable air guide seat, the inside fixed installation of movable air guide seat has negative pressure air guide pipe group, the top of movable air guide seat is provided with and the negative pressure adsorption pipe of negative pressure air guide pipe group intercommunication is connected.The utility model has the advantages that: the movable air guide seat that can be adjusted in position is arranged inside jig, so that movable air guide seat drives negative pressure adsorption pipe to adjust position according to the structure of special-shaped component, the position of negative pressure adsorption pipe is monitored in real time using laser ranging sensor, so that negative pressure adsorption pipe moves to the below of special-shaped component and and the bottom surface of special-shaped component is closely combined, control negative pressure air guide pipe group forms negative pressure inside negative pressure adsorption pipe through movable air guide seat and special-shaped component is adsorbed and fixed, realize the fixed clamping of special-shaped component, the position of clamping can be adjusted following the structure of special-shaped component, improve the stability of adsorption clamping.

The embodiment of the utility model provides a lens clamping reed and optical equipment, and relates to the technical field of precision optics. The lens clamping reed comprises a reed body, an unthreaded hole is formed in the reed body, a plurality of blocking pieces are arranged on the reed body, the blocking pieces are arranged around the axis of the unthreaded hole, the distances between the blocking pieces and the axis of the unthreaded hole are equal, the blocking pieces protrude out of the surface of the reed body, and the blocking pieces are used for clamping a lens. According to the utility model, the lens can be fixed and clamped, the relative slippage of the lens is prevented, the high coaxiality is kept, and the stress homogenization is realized.

The utility model provides cold-rolled ribbed steel bar rust-proof treatment equipment, and relates to the technical field of steel bar rust prevention, the inner wall of a soaking box is provided with a driving assembly used for controlling steel bars to fall, the middle of the driving assembly is provided with a fixing assembly used for fixing the steel bars, and one side of the bottom of the soaking box is provided with a set of stand columns; supporting assemblies used for supporting steel bars are fixedly installed on the upper sides of the stand columns. The horizontal movement of the sliding seat is realized by starting the driving motor, and the reinforcing steel bars are limited by the fixing assembly and the supporting assembly, so that the vertical reinforcing steel bars swing to be inclined, the reinforcing steel bars can enter the soaking box and are in full contact with an anti-rust agent, batch treatment of a plurality of reinforcing steel bars is realized, and the service life of the reinforcing steel bars is prolonged. Compared with the prior art that the reinforcing steel bars are stored one by one for soaking, the contact effect of the reinforcing steel bars and the antirust agent can be ensured while batch treatment is conducted, and the situation that the reinforcing steel bars make insufficient contact with the antirust agent due to stacking of the multiple reinforcing steel bars is avoided.

The utility model relates to the technical field of reconnaissance equipment, in particular to an orifice sealing device of a compartment type drilling machine for a polar region house, which comprises a fixed seat, a first through hole, a second through hole and a sealing device, the fixed seat is fixedly arranged at the bottom of a house compartment, the fixed seat is axially provided with the first through hole, and the inner wall of the first through hole is provided with an overflow port; the sealing assembly penetrates through the first through hole to be inserted into the hole opening, a sealing connecting piece is arranged at the bottom of the first through hole, and the sealing connecting piece is connected with the sealing assembly in a sealing mode; the sealing assembly comprises a first sealing pipe, a second sealing pipe and a third sealing pipe which are arranged in a nested mode from outside to inside in the radial direction, the outer wall of the first sealing pipe makes contact with the ice and snow layer, an annular sealing cavity is formed between the inner wall of the second sealing pipe and the outer wall of the third sealing pipe, and a drilling fluid channel is formed in the inner wall of the third sealing pipe.

The utility model belongs to the technical field of centrifugal machine noise reduction, and particularly relates to a centrifugal machine noise reduction device which comprises a base, a slope is arranged on the base, a plate groove is formed in the base, a vibration damper plate is assembled in the plate groove, two sets of sliding grooves are formed in the vibration damper plate, and lead screws are rotationally installed on the inner walls of the sliding grooves. The screw rod is provided with a sliding groove, the directions of threads on the screw rod are symmetrical and opposite, two sliding blocks are symmetrically assembled in the sliding groove, clamping blocks are installed on the sliding blocks, the screw rod rotates, the screw rod drives the two sliding blocks on the screw rod to synchronously and relatively move, and the two sliding blocks drive the two clamping blocks to synchronously and relatively move. The four clamping blocks are used for clamping and fixing the four end corners of the rock wool centrifugal machine base correspondingly, the whole rock wool centrifugal machine is fixed and clamped, the rock wool centrifugal machine is stably placed, vibration of the rock wool centrifugal machine on the ground is avoided, noise generated by vibration of the whole rock wool centrifugal machine is reduced, and the service life of the rock wool centrifugal machine is prolonged. And the noise reduction effect of the rock wool centrifugal machine can be improved.

The utility model discloses a fixture structure for steel ball electroplating, which relates to the technical field of electroplating equipment and comprises a support plate, a first groove is arranged on one side of the support plate, a second groove is arranged on the other side of the support plate, a support frame is rotatably mounted on the inner wall of one end of the second groove through a connecting pin, and a nonmetal support net is arranged on the inner wall of the support frame. A main conductive rod is arranged on the outer side of the supporting plate. According to the utility model, the main conducting rod, the branch conducting rods, the steel ball groove and the non-metal supporting net are matched for use, so that the steel ball can be fixedly clamped, electrolyte flows to be in full contact with the steel ball through the first through hole and the second through hole, and the steel ball can be intermittently driven to move in the steel ball groove through the vibration assembly in the electrolysis process; the steel ball electroplating clamp is simple in operation, can be used for electroplating a plurality of steel balls in batches at one time, and meets the requirement of large-scale production.

The utility model relates to the technical field of IGBT testing, in particular to an IGBT heat dissipation performance testing tool. The IGBT heat dissipation performance test tool comprises a workbench, a support, a support arm and a pressing piece, a test area for placing a device is formed on the surface of one side of the workbench in the first direction, the support is fixed on the workbench, and the pressing piece is installed on the support through the support arm and is suspended above the device in the test area; the pressing piece can be adjusted in a lifting mode on the supporting arm in the first direction, so that the pressing piece can press and fix the device on the workbench, the supporting arm and the support are connected in a rotating mode, the pressing piece can adjust the angle position, the position of the pressing piece acting on the device is changed, and therefore the device can be fixed. Therefore, the testing tool can be compatible with clamping and fixing of devices of different specifications, and the acting position of the pressing piece can be adjusted according to different pressed positions, capable of being stably clamped, of the devices of different specifications.

The application belongs to the technical field of semiconductor packaging and specifically discloses a laser cutting jig, which comprises a base, a pressing structure matched with the base is arranged on the base, and a suction structure matched with the pressing structure is arranged on the base; the pressing structure comprises a pressing cylinder arranged on one side of the base, and the pressing cylinder is matched with a pressing cover plate arranged on the base. The suction support and fixation of the product to be cut are realized through the cooperation of the pressing structure and the suction structure, the stability of the product on the jig is improved, the position deviation of the product during cutting is prevented, the fixation and clamping of products with different thicknesses are realized through the adjustment of the height of the pressing cover plate, the fixation and clamping of products with different sizes are realized through the detachable pressing cover plate, so that different types of products are fixed to the suction structure, and each suction column can be accurately and stably moved to the center of the product after cutting through the accurate adjustment of the position of the suction column.

The utility model discloses a metal window frame welding positioning device which comprises a bottom plate, a special-shaped clamping assembly is arranged on the upper side of the bottom plate and comprises a fixing block, a telescopic air cylinder is fixedly installed on the outer surface of one side of the fixing block, a U-shaped block is fixedly installed at the telescopic end of the telescopic air cylinder, and an L-shaped rod is rotationally connected to the inner side surface of the U-shaped block. The inner side surfaces of the two ends of the L-shaped rod are rotationally connected with rolling wheels, a positioning plate is arranged on one side of the L-shaped rod, a fixing shaft is fixedly installed on the lower side surface of the center of the positioning plate, a worm gear is fixedly installed at the bottom end of the fixing shaft, a worm is meshed with the outer surface of the worm gear, and a rotary knob is fixedly installed at one end of the worm. After the worm rotates to drive the positioning plate to rotate to a proper position, the telescopic air cylinder is started to fix the window frame, the machining requirements for window frames of different specifications are met, the flexibility and practicability of the positioning device are greatly improved, and then the welding efficiency of the metal window frame is improved.

This utility model discloses a testing fixture, belonging to the field of X-ray rotating fixture technology, specifically relating to an X-ray rotating fixture testing fixture, comprising a fixed base plate, an adjustment assembly, and a clamping assembly; the adjustment assembly is mounted on the fixed base plate, and the clamping assembly is mounted on the adjustment assembly; the adjustment assembly consists of an adjustment plate, an adjustment component, and an adjustment bolt; the clamping assembly consists of a carbon fiber plate, a carbon fiber base plate, and a mounting plate; this utility model aims to provide an X-ray rotating fixture testing fixture that solves the problems of unstable fixation and inconvenient position adjustment in existing fixture products, realizes the fixed clamping of materials of various specifications and sizes, ensures quick loading and unloading of clamped objects and convenient operation, while reducing the radial dimension of the device and reducing the space occupied by the movement stroke of the optical tube components.