38results about How to "Achieve squeeze fixation" patented technology

The invention discloses a board grinding device for circuit board processing. The board grinding device for the circuit board processing comprises non-slip mats, a bottom board, a top board, an exhaust fan, a collecting box, a first sliding block and a second sliding block; the friction force between the bottom of a pressing board and a substrate is increased by arranging the non-slip mats, so that the effect of fixing the position of the substrate is improved; the movement of the position of the substrate in a process of grinding the substrate is avoided; in a descending process of the top board, a first returning spring and a third returning spring are separately extruded and stretched to push the first sliding block and the second sliding block to slide on a first sliding rail and a second sliding rail respectively, so that the purpose of grinding different positions on the substrate is achieved; the practicability of equipment is improved; air is exhausted by utilizing the exhaustfan, so that dust produced in a substrate grinding process further enters the collecting box through an air guide pipe after entering a dust sucking cover; and therefore, the dust in the substrate grinding process is collected, and the pollution to environment because the dust flies around is avoided.

Disclosed is a pull-out guide for drawers, comprising a slide rail (1) on which a catch hook (3) is arranged in order to secure the drawer on the slide rail (1). The catch hook (3) is designed as a separate element that is attached to the slide rail (1) in such a way as to be prevented from moving. The catch hook and the slide rail are made of a different material.

The invention discloses an adjustable transfer trolley for intelligent blackboard production, and relates to the field of blackboard production. In the invention, a plurality of fixing clamping grooves are formed in the upper surface of a vehicle body side by side, a chute is formed in the middle of the upper end surface of the baffle, a motor is installed below the sliding groove, a screw rod ismounted on a rotating shaft of the motor, a pressing plate is installed on the sliding groove, the motor drives the pressing plate to move up and down along the chute, a plurality of telescopic rods are mounted on the lower surface of the pressing plate side by side, pressing blocks are installed on the lower end faces of the telescopic rods, pressing grooves are formed in the lower end surfaces of the pressing blocks, and the pressing grooves correspond to the fixing clamping grooves. The fixing clamping groove is formed in the upper end face of the vehicle body, and, through cooperate with the pressure groove on the pressure block, the fixing of the blackboard to be transferred is achieved; and the motor and the lead screw structure drive the pressing plate to move up and down, the height can be adjusted according to the size of the blackboard, the pressing block is installed on the pressing plate through the telescopic rod, the adjustable transfer trolley can adapt to blackboards ofdifferent sizes at the same time, and the blackboards of various sizes can be transferred at the same time in the transferring process.

The invention relates to the technical field of robot cable butt joint, in particular to a cable butt joint assembly for an intelligent robot. The cable butt joint assemblycomprises a main body mechanism, wherein a plurality of fixing mechanisms for fixing cables are annularly arrayed on the main body mechanism for butt joint of a plurality of cables, a mounting mechanism is arranged on the main body mechanism, a buffering mechanism is arranged on the main body mechanism, an auxiliary mechanism is arranged on the main body mechanism, the auxiliary mechanism is in threaded connection with the buffering mechanism, a clamping mechanism for clamping the cables is installed on the buffering mechanism, the joint of the two cables is fixed to the main body mechanism, one cable is fixed to the clamping mechanism, the cable between the clamping mechanism and the main body mechanism is reserved during installation so as to pull a section of cable between the clamping mechanism and the auxiliary mechanism when the cable is pulled, and the section of cable is protected by the buffering mechanism so as to avoid the cable from being damaged by pulling, so that the joint of the two cables on the main body mechanism is prevented from being broken by pulling.

The invention relates to the technical field of power distribution cabinets, and in particular relates to an outgoing line plate arrangement device of a power distribution cabinet. The device comprises a power distribution cabinet. A middle inner cavity of the power distribution cabinet is set as a mounting inner cavity; the outer walls of the left and right sides of the front end face opening ofthe power distribution cabinet are provided with a pair of symmetrical slots; a sealing cover plate is arranged on the upper end face of the power distribution cabinet; and an input jack is formed inthe middle of the rear end face of the power distribution cabinet. The device has the beneficial effects that a cable arrangement inserting plate is additionally arranged; the output position is fixed through the cable arrangement inserting plate, and therefore the purpose of cable arrangement is achieved; cables in the power distribution cabinet are distributed more attractively and tidily, andanalysis and maintenance of a circuit are facilitated; through cooperation of sliding columns with spring extrusion and semicircular clamping blocks, extrusion and fixation of output cables are realized; and through replacement of the models of the clamping blocks, the device is suitable for cables with different thickness specifications, so that the cable arrangement position is further fixed, and falling is avoided.

The invention relates to the technical field of high-altitude cable erection, in particular to a cable erecting structure of an angle steel tower and an installation method of the cable erecting structure. The cable erecting structure comprises a cross beam, a pair of lower limiting frames in bilateral symmetry are arranged at the lower end of the cross beam, an extrusion wheel driven by an electric telescopic rod is vertically and downwards arranged in the middle of the lower end of the cross beam and a stand column is vertically welded to the right side of the lower end of the cross beam. The cable erecting structure has the beneficial effects that a limiting wheel and a lifting block which are driven by an extrusion screw rod are arranged to be matched, so that a cable is extruded and fixed, meanwhile, the cable is bent and staggered at the extrusion position by utilizing an arc-shaped extrusion groove, the clamping stability is further improved, and the cable is prevented from falling off; and through the arrangement of the stand column and a balancing weight with the adjustable gravity, the stress at the two ends of the cable is balanced when force is applied for straightening, the situation that the cable inclines towards one side due to uneven stress is avoided, therefore, under the action of the electric telescopic rod, constant-speed straightening is achieved, the cable is evenly stressed, and protection on the outer wall of the cable is greatly improved.

The invention relates to the technical field of protective clothing processing, in particular to a breakage-proof perforating device for protective clothing. The device comprises a perforating processing table, wherein a concave perforating inner cavity is formed downward in the middle of the upper end face of the perforating processing table, a pressure bearing ring is arranged at the upper end of the perforating processing table, and side plates are symmetrically and vertically welded to the left side and the right side of the upper end face of the perforating processing table. The breakage-proof perforating device for protective clothing has the beneficial effects that by matching the pressing ring with the pressure bearing ring, textile silk threads around the perforating position of protective clothing are extruded and fixed, so that stretching of the silk threads in the perforating and stamping process is reduced, the stretching force between the silk threads is reduced, the deformation degree of the broken silk threads is reduced, and the perforating quality is greatly improved; by arranging a positioning needle, the perforating position is accurately positioned, and meanwhile, the perforating position is opened by inserting the positioning needle into the protective clothing, subsequent chambering and cutting are greatly facilitated, the perforating position precision is improved, the perforating and cutting convenience is improved, and the extrusion force is reduced.

The invention belongs to the technical field of gear production and machining, particularly relates to a shot peening strengthening device capable of improving stress distribution on the surface of a gear. Aiming at the problems that existing shot peening strengthening equipment is complex in structure, shots are not uniformly ejected on the gear, workpiece taking and feeding operations are complex, and stains on the surface of the gear cannot be removed, the following scheme is provided, the shot peening strengthening device comprises a box body, a blade disc is rotationally connected to the inner wall of the box body, a power assembly for driving the blade disc to rotate intermittently is arranged on the box body, and three fan-shaped cavities are evenly formed in the blade disc. The shot peening strengthening device is simple in structure, the gear to be strengthened rotates at a constant speed while a shot peening machine works to eject shots, the shots are sprayed to the surface of a to-be-strengthened gear more uniformly and circularly, the strengthening work efficiency is improved through the circulating design, and through an arranged annular hairbrush, surface stain removal can be carried out on the to-be-strengthened gear, and the strengthening effect of device is improved.

The invention relates to grooving equipment, in particular to grooving equipment for mold production. The grooving equipment for mold production improves the grooving precision of a production mold. The grooving equipment for mold production comprises: a bottom plate, provided with an air cylinder; a pushing rod, connected with the top of the air cylinder; a grooving mechanism, arranged on the side, close to the air cylinder, of the bottom plate, and connected with the push rod; and an aligning mechanism, arranged at the upper portion of the grooving mechanism. According to the grooving equipment, convex blocks move downwards to be in contact fit with rectangular blocks, so that the rectangular blocks move inwards, first connecting columns slide inwards, alignment blocks move inwards, andthe effect of extruding and fixing molds above a table block to enable the molds to be aligned left and right is achieved.

The invention discloses a plate-shaped workpiece tool fixing clamp with an original point positioning function and a positiong method of the plate tool fixing clamp. The plate tool fixing clamp comprises a workbench, a cross beam transversely driven by a hydraulic cylinder is arranged on the right side of the upper end of the workbench, four sets of extending guide rails which are distributed in a circumferential array and perpendicular to one another are arranged at the upper end of the cross beam, a fastening block is fixedly installed in the middle of the upper end of the cross beam, and transverse clamping blocks are sliably mounted on the pair of transversely arranged extending guide rails which are bilaterally symmetric. The plate tool fixing clamp has the beneficial effects that through the cooperation of the transverse clamping blocks and longitudinal clamping blocks, the original point of a plate-shaped workpiece can be conveniently and rapidly positioned, then sliding of the cross beam is achieved through a hydraulic cylinder while fixed clamping is conducted, the purpose of corresponding to the original point of the tool is achieved, multiple times of position adjustment and clamping are avoided, and the machining precision is greatly improved.

A papermaking machine roll shaft joint device comprises a bottom plate and further comprises fixing seats, and a connecting pipe is arranged between the two fixing seats. end fixing pieces are arranged at the two ends of the connecting pipe; a clamping piece is arranged on the upper side of the fixing seat and connected to the outer wall of the connecting pipe; an auxiliary fixing frame is arranged on the upper side of the fixing seat and connected to the side wall of the clamping piece; extrusion pieces are arranged at the upper ends of the two clamping pieces and are connected to the upper side of the connecting pipe; the end fixing piece comprises an outer jacking pipe, and a first protrusion is arranged at one end of the outer jacking pipe. the inner jacking pipe is arranged in an inner cavity of the outer jacking pipe; a first screw rod is screwed on the outer jacking pipe and the inner jacking pipe; a first extrusion block is convexly arranged on the outer wall of the other end of the outer jacking pipe; a second screw rod is screwed on the first extrusion block; a first adjusting seat is arranged on the second screw rod; a first end cover is arranged at the end part of the outer jacking pipe; a second buffer seat is arranged at the edge of the first end cover; and a joint device can axially position the roll shaft of the paper machine.

The invention relates to the field of welding equipment, in particular to a floating positioning mechanism for aluminum alloy laser welding; the floating positioning mechanism comprises a positioningblock for contacting with a welding area of a sheet metal part, the positioning block is connected with an adjusting mechanism for floating the positioning block. Through arranging the positioning block, the positioning mechanism provided by the invention can contact with the sheet metal part to be welded, so that the sheet metal part to be welded is pressed, and because of arranging the floatingmechanism, the positioning block can absorb the welding deformation of the sheet metal part generated by the absorption of heat, so the deformation of the welding part of the sheet metal part to be welded can be reduced or avoided.

The invention belongs to the technical field of urban management, in particular to a lawn patch repairing device for urban management. To solve the problem that a large amount of manpower is wasted for manually repairing the lawn patches at present, the following scheme is provided; the lawn patch repairing device comprises a supporting base, the outer wall of one side of the top of the supportingbase is connected with a sliding frame through bolts, the outer wall of the top of the sliding frame is connected with a top cover through bolts, the outer wall of the middle of one end of the top cover is connected with a rotating motor through bolts, and an output shaft of the rotating motor is connected with a rotating shaft through bolts. According to the lawn patch repairing device for urbanmanagement, a rotating wheel is provided, a transmission belt is arranged on the rotating wheel, the contact area of the lawn patch repairing device with the lawn surface can be increased, and the rotating wheel is prevented from forming grooves in a lawn accordingly; in addition, the transmission belt is provided with breathing holes, so that it can be avoided that gas cavities generated by thetransmission belt to the ground in the rolling process causes bumping to the device in the rolling process.

The invention discloses a door body structure and a dish washing machine. The invention provides a door body structure which comprises a door body and a door hinge fixed on the door body, a sealing strip is arranged at the bottom of the door body, and the sealing strip is clamped between an extrusion component and the door body. The extrusion component capable of fixing the sealing strip on the door body is arranged on the door hinge so that the situation that two sides of the sealing strip are stripped due to collision and pressing of the door or a shelf is avoided, and the fixing effect on the sealing strip is improved. The invention further provides a dish washing machine which comprises an inner container and further comprises the door body structure in the technical scheme, the door hinge comprises a hinge seat and a hinge arm fixedly connected with the door body, the hinge arm is hinged to the hinge seat, and the hinge seat is fixedly connected with the inner container.

The invention provides a valve ball fixing device and a shaft hole machining device. The valve ball fixing device comprises a bottom disc, a supporting ring and a pressing fixing structure, wherein the bottom disc is suitable for being fixed to a machine tool platform, the supporting ring is fixedly installed on the bottom disc, the top of the supporting ring is used for supporting a semi-spherical surface of a C-shaped valve ball, the pressing fixing structure is also fixedly installed on the bottom disc, the C-shaped valve ball is extruded in the direction from top to bottom, and extrusion fixing of the C-shaped valve ball is realized. According to the valve ball fixing device, firm fixing of the C-shaped valve ball can be conveniently and rapidly realized, preparation is made for shafthole forming operation in the next step, and therefore the fixing difficulty of the C-shaped valve ball can be lowered, and the hole forming efficiency can be improved.