538 results about "Four-slide" patented technology

The invention belongs to the technical field of laser processing equipment, and particularly relates to an automatic feeding and discharging pipe laser cutting machine which comprises a cutting table, a third groove plate is slidably connected to one side of the upper end face of the cutting table, a second groove plate is slidably connected to a sliding groove of the third groove plate, and a fourth groove plate is slidably connected to a sliding groove of the second groove plate. A lifting plate is slidably connected to the four sliding grooves of the groove plate, a rotating plate is rotatably arranged on one side of the lower end face of the lifting plate, and clamping plates are slidably connected to the two sides of the rotating plate. By means of the positioning and placing mechanism and the discharging auxiliary mechanism, when plum blossom pipes are cut at equal intervals, the grooves of the cut pipes slide down along the adjusting rods, the multiple sections of cut pipes are stacked in the box body in order, automatic discharging is achieved, the storage space of the box body is reasonably utilized, and the working efficiency is improved. And further transferring and machining of the pipes are facilitated.

The utility model relates to the technical field of flange processing, and discloses an automatic tapping machine of a flange plate for connecting a heating radiator, which comprises a disc, an adjusting mechanism assembled on the top of the disc, a bracket fixedly connected with the surface of the disc through a bolt, and a base assembled at the bottom of the bracket, four grooves for the adjusting mechanism to move are formed in the surface of the disc, and the adjusting mechanism comprises a first hydraulic rod perpendicularly installed in the center of the disc. According to the automatic tapping machine for the flange plate for connecting the heating radiator, through the adjusting mechanism, when the positions, with different diameters, of the flange plate need to be tapped, a first hydraulic rod is opened to drive a fixing block to move, then four sliding blocks are driven by four guide rods to slide in four grooves in the surface of a disc, and four tapping motors are driven to move at the same time; and the first hydraulic rod is closed by adjusting to a proper position, so that tapping can be carried out on positions of different diameters of the flange plate according to different requirements, and the applicability of the device is improved.

The invention relates to the technical field of welding positioning, in particular to a welding fixture for coupler production, which comprises a base motor, clamping frames, an adjusting device mounted between the base motor and the clamping frames and a clamping assembly arranged between the clamping frames, a clamping space is formed in the middle of each clamping frame, and four sliding openings are annularly formed in each clamping frame; the clamping assembly is arranged in the sliding openings, the clamping assembly comprises four clamping blocks, and the four clamping blocks are arranged in the four sliding openings in a sliding mode; four strip-shaped grooves are annularly formed in the upper surface of the clamping frame, a heat dissipation assembly is arranged on the upper sides of the strip-shaped grooves, the heat dissipation assembly comprises an annular pipe, four limiting pipes, four sliding pipes and a connecting pipe, the annular pipe is arranged in the clamping frame, and the four limiting pipes are arranged in the four strip-shaped grooves in a sliding mode through telescopic pieces respectively. Adjustment can be conducted according to the size of a welded coupler, and therefore the cooling and heat dissipation effect on the welding position is guaranteed.

The invention discloses a part assembling and welding robot for a box-type steel component, relates to the technical field of welding of box-type steel components, and solves the technical problems that the operation is inconvenient and the assembling efficiency of the box-type steel component is easily influenced when a welding gun is manually held by hand to weld a partition plate between two webs. Comprising a walking frame moving in the length direction of webs, a combined welding mechanism is installed on the walking frame, and the combined welding mechanism is used for synchronously welding four gaps formed after a partition plate is attached to the two webs; the combined welding mechanism comprises a portal frame, a welding gun, sliding telescopic pieces, a lifting mechanism, a linkage mechanism and elastic telescopic pieces, the portal frame is installed on the top of the walking frame, and the four sliding telescopic pieces are all rotationally connected with the top of the portal frame. Four gaps formed after the partition plate and the two web plates are attached can be conveniently and synchronously welded, the welding speed is effectively increased, and therefore the overall assembling efficiency of the box type steel component is improved.

The utility model discloses a material taking device for an injection molding machine, which comprises a support frame, the top of the support frame is provided with an electric push rod, the bottom of the electric push rod is fixedly provided with a mounting plate, the bottom of the mounting plate is provided with four slideways, the four slideways are arranged in a circumferential array mode, and clamping plates are arranged in the four slideways in a sliding mode. Inclined planes are arranged at the bottoms of the clamping plates, the inclined planes are in sliding fit with the injection molding part, a connecting column is fixedly arranged at the center of the mounting plate, a first spring is fixedly arranged between the connecting column and the corresponding clamping plate, four first sleeves are fixedly arranged on the mounting plate, and sliding rods are arranged in the first sleeves in a sliding mode; second springs are fixedly arranged between the sliding rods and the first sleeves, second sleeves are fixedly arranged on one sides of the sliding rods, magnet blocks are slidably arranged in the second sleeves, electromagnets are fixedly arranged on the sliding rods, and the electromagnets drive the magnet blocks to extrude the corresponding clamping plates. And the magnet blocks rapidly abut against the clamping plates under the repulsive force effect of the electromagnets, and the time of the clamping process of the injection molding part is saved.

The utility model relates to an online sharpening device for a multi-wire cutting machine applied to the field of multi-wire cutting machines, comprising two slide rails, both ends of the two slide rails are fixedly penetrated by mounting plates, the outer ring sliding sleeves of the slide rails are provided with two sliding blocks, the upper ends of the four sliding blocks are commonly fixedly connected to a fixing plate, the upper ends of the fixing plates are fixedly connected to two baffles, the upper left part of the upper end of the fixing plate is fixedly connected to a supporting block, the lower end of the fixing plate is fixedly connected to a sliding control component, the upper end of the fixing plate is provided with an accommodating notch, the accommodating notch is located on the right side of the supporting block, the right end of the supporting block is fixedly connected to an L-shaped plate, the right end of the L-shaped plate is fixedly connected to a U-shaped grinding plug, the upper end of the grinding plug is fixedly connected to a convex fixed cover, and the grinding plug and other structures are adopted to grind and sharpen the diamond wire during the operation of the multi-wire cutting machine, grind away the powder debris adhering to the surface of the diamond wire, improve the sharpness of the diamond wire, and thus improve the cutting efficiency of the multi-wire cutting machine.

The utility model discloses a paint spraying device for steel structure processing, which relates to the technical field of steel structure processing paint spraying, including a base plate, a rotating fixed unit, a slide rail unit and a spraying unit; the left and right sides of the upper end of the base plate are fixedly connected with a fixed frame; the rotating fixed unit comprises a rotating mounting column, a sliding frame, a sliding block, a screw rod and a motor; the upper end of the fixed frame is rotatably connected with the rotating mounting column, the outer side of the rotating mounting column is evenly fixedly connected with four sliding frames, the inner side of the sliding frame is slidably connected with a sliding block, the screw rod passes through the sliding frame and is rotatably connected with the rotating mounting column, the screw rod is threadedly connected with the sliding block, the top end of the sliding frame is fixedly connected with a motor rod, and the output shaft of the motor rod is fixedly connected with the other end of the screw rod; the paint spraying device for steel structure processing can spray the steel structure that needs to be sprayed in all directions without dead angles, and can fix steel structures of various shapes and sizes.

The invention relates to the technical field of steel structure welding, in particular to a steel structure welding robot convenient to position and a positioning method.The steel structure welding robot convenient to position comprises a base and a welding robot body and further comprises a positioning assembly; the positioning assembly comprises a moving component, a support, clamping seats, a contact seat, a sliding block and a transmission component, during use, a to-be-welded steel structure is placed between every two adjacent clamping seats, then the first motor is started to drive the two-way screw to rotate, the two-way screw drives the clamping seats on the upper side and the lower side to get close, and then the contact seat makes contact with the surface of the steel structure; at the moment, the contact seat stops moving, the clamping seat continues to move under the action of the two-way screw rod, so that the contact seat moves relative to the clamping seat, vertical movement of the clamping seat is converted into transverse movement of the sliding block through the transmission component, and therefore the sliding block can make contact with the front side and the rear side of the steel structure; at the moment, the upper and lower sides of the steel structure are clamped and positioned through the two clamping seats, and the front and rear sides are clamped and positioned through the four sliding blocks.

The utility model discloses a device for continuously sticking an adhesive tape on a sectional material, which relates to the technical field of sticking the adhesive tape on the top surface of the sectional material, and comprises a horizontal guide rail fixedly arranged between a left rack and a right rack, an automatic pasting mechanism used for tearing off release paper on the adhesive tape and pasting the adhesive tape on the sectional material is installed on the horizontal guide rail in a sliding mode. The automatic pasting mechanism comprises four sliding blocks installed on the horizontal guide rail in a sliding mode, a frame is fixedly connected between the top surfaces of the four sliding blocks, a vertical plate is fixedly arranged in the frame, a cylinder inclining leftwards is fixedly arranged on the front end face of the vertical plate, a spring A is fixedly connected between one end of a movable rod and the cylinder bottom of the cylinder, and a spring B is fixedly connected between the other end of the movable rod and the cylinder bottom of the cylinder. The other end of the movable rod extends out of the barrel, a supporting plate is fixedly arranged at the extending end, and a rolling wheel is rotationally installed on the rear end face of the supporting plate. The adhesive tape pasting device has the advantages that the working intensity of workers is greatly relieved, and the adhesive tape pasting efficiency is greatly improved.

The invention belongs to the technical field of stacking machine portal production, and particularly relates to an automatic welding system and method for a stacking machine portal assembly. A sliding rail clamping assembly is used for clamping two sliding rail components; the beam and plate components are clamped and mounted at the two ends of the sliding rail component through the beam and plate feeding assembly; two sliding sleeve components are installed on the outer side of each sliding rail component in a sleeving mode through the sliding sleeve feeding assembly; a carrier plate component is jointly clamped and mounted on the four sliding sleeve components through a carrier plate feeding assembly; a plurality of anti-falling inner supporting components are installed in the sliding rail component through an inner supporting filling assembly; a first fastening piece and a second fastening piece are additionally installed through a screw turning machine; the beam plate component and the sliding rail component are welded and fixed through a first welding assembly; the carrier plate component and the sliding sleeve component are welded and fixed through the second welding assembly, and automatic welding and assembling of the stacking machine portal frame assembly are achieved; the anti-falling inner supporting component can provide multi-stage buffering and is suitable for loading explosive objects, fragile objects or high-value objects.

The utility model relates to the technical field of machining accessory devices, in particular to a novel machining self-centering tool which can automatically position and adjust the center of a regular workpiece and improve the machining efficiency of large-batch workpieces. Comprising a bottom plate, a first support, a cutting motor, a first rotating disc, a threaded rod, a sliding sleeve, four sets of clamping plates, a plurality of sets of connecting rods and lock nuts, the first support is installed on the right side of the top end of the bottom plate, and the cutting motor is installed on the right side of the top end of the first support; the right end of the threaded rod is connected with the middle of the left end of the first rotating disc, the sliding sleeve slidably sleeves the threaded rod, four sliding grooves are evenly formed in the left end of the first rotating disc, the right ends of the four clamping plates are slidably connected with the four sliding grooves correspondingly, and the inner ends of the multiple connecting rods are hinged to the left side and the middle of the outer end of the sliding sleeve correspondingly. The outer ends of the connecting rods are hinged to the middles and the right sides of the inner ends of the four clamping plates correspondingly.

The utility model discloses a plate shearing mechanism for an automatic plate shearing machine, which relates to the technical field of plate shearing machines and comprises a shell, two rotating rods are rotatably mounted on the inner wall of the shell, and two sliding strips are fixedly mounted on the outer walls of the two rotating rods. The outer walls of the two rotating rods and the outer walls of the four sliding strips are slidably sleeved with four sliding bevel gears and four rotating connecting sleeves, and positioning conveying assemblies are arranged at the bottom ends of the four sliding bevel gears correspondingly. The positioning and conveying assembly comprises a machine shell, a set of conveying rollers are rotationally installed on the inner wall of the machine shell, one ends of the outer walls of the conveying rollers penetrate through the top end of the machine shell, and a chain wheel and chain set is arranged at the top end of the conveying rollers, so that angle correction can be conducted on plates by moving the conveying rollers on the two sides at the same time, and the plates are prevented from inclining; and meanwhile, the plates can be prevented from shaking during shearing, one set of conveying rollers can be driven to rotate at the same time through the chain wheel and chain set, then the plates can be driven to be conveyed, and the cutting efficiency of the plates is improved.

The invention belongs to the technical field of welding assistance, and discloses a steel structure welding device. The steel structure welding device comprises a bottom plate, linear rails are fixedly mounted at the four corners of the upper surface of the bottom plate correspondingly, sliding blocks are slidably connected into the linear rails, first hydraulic rods are mounted in the linear rails in an embedded mode through containing grooves, and the output ends of the first hydraulic rods and the sliding blocks are fixedly mounted; and arc-shaped plates are fixedly mounted on the four sliding blocks correspondingly, and anti-skid assemblies are arranged on the linear rails. According to the welding device for the steel structure, the tubular body and the flange plate can be in butt joint more accurately through the mutual matching, positioning and limiting effects of the first positioning assembly and the second positioning assembly, the situation that debugging work is needed due to manual butt joint or other auxiliary butt joint is avoided, and deviation occurs in the machining process is avoided; and the machining efficiency and the welding precision are improved.

The utility model provides a bearing inner ring grinding device, which belongs to the technical field of bearing processing and aims to solve the problem that the position of the clamping needs to be manually adjusted each time for the bearing inner rings with different inner diameters, which increases the processing preparation time and reduces the efficiency of the production test of the bearing inner ring. The utility model comprises an operation box, a groove is provided on the inner bottom wall of the operation box, a rotating disk for placing the bearing inner ring is provided in the groove, a drainage hole is provided on the rotating disk, a slide groove is provided in an annular manner on the inner wall of the groove, the rotating disk is connected to the slide groove through a slider, a support is provided on one side of the groove, a spherical grinding wheel grinding head is provided on the side wall of the support, a placement chamber is provided in the rotating disk, an electric cylinder is installed in the placement chamber, a frustum is provided on the rotating disk, four sliding grooves are provided at equal intervals on the surface of the rotating disk along the circumferential direction, a clamping block is provided in the sliding groove for sliding, the inner side surface of the clamping block contacts the side surface of the frustum, and the rotating disk is driven by a motor.

The utility model discloses a burr removing machine for mechanical parts. The burr removing machine comprises a workbench, a burr removing mechanism and a clamping mechanism. The left side and the right side of the upper end of the workbench are connected with supports through bolts correspondingly. The burr removing mechanism is arranged between the upper ends of the two supports; the clamping mechanism comprises a lifting table, a three-jaw chuck and four sliding columns, the four sliding columns are all slidably connected into sliding holes in the middle of the workbench, the bottom ends of the four sliding columns are all fixedly connected with the upper surface of the lifting table, the upper ends of the four sliding columns are all fixedly connected with the bottom face of the platform, the three-jaw chuck is arranged at the upper end of the platform, and the three-jaw chuck is arranged at the lower end of the platform. According to the burr removing machine for the mechanical parts, the mechanical parts with different heights can be rapidly adjusted to properly remove burrs, the height adjusting stability is good, the situation that the mechanical parts are too high or too low, and a grinding wheel cannot grind and remove burrs on the mechanical parts is avoided, the adaptability is higher, and the application range is wider.

The utility model relates to the technical field of punching machines, in particular to a novel punching machine punching mechanism which comprises a punching block and is characterized in that a punching plate is fixedly connected below the punching block, a lower pressing plate is fixedly connected to the lower end of the punching plate, and a punching rod penetrating through the lower pressing plate is further fixedly connected to the lower end of the punching plate. Four sliding sleeves are evenly distributed on the lower pressing plate, sliding rods are connected into the sliding sleeves in a sliding mode, the sliding rods are fixedly connected to a punching table, and a die plate is arranged on the punching table. The push rod pushes the stamping block, the stamping block pushes the stamping plate, the stamping plate pushes the stamping rod for punching, the structural strength can be effectively improved, acting force is dispersed to the stamping plate and the stamping block, the lower end of the stamping plate is provided with the lower pressing plate, the lower pressing plate is provided with the sliding sleeve, the sliding sleeve is connected to the sliding rod in a sliding mode, and guiding and limiting operation can be achieved for the device; and the service life of the device can be effectively prolonged, and the practicability of the device is improved.

The invention discloses a forging die and a forging method. The forging die comprises an upper die and a lower die, the four sliding grooves are circumferentially formed in the top face of the lower die at equal intervals. The four correcting plates are connected with the sliding grooves in a sliding mode; when the round-rod-shaped raw material is placed in the lower die, thrust is applied to the four correcting plates at the same time, so that the four correcting plates synchronously approach to the round-rod-shaped raw material until the raw material is located in the center of the lower die. Any two adjacent correcting plates are perpendicular to each other and synchronously approach and push the round-bar-shaped raw materials, when the four correcting plates cannot continue pushing, the round-bar-shaped raw materials are located in the center of the lower die, and balanced flash is formed when the upper die is closed for die forging, so that it is guaranteed that the space in the forging die is completely filled.

The utility model relates to the related technical field of mechanical part machining, and discloses a mechanical part machining clamping tool which comprises a base, four sliding holes are formed in the top face of the base, first sliding blocks are slidably connected to the inner side walls of the four sliding holes correspondingly, first threaded rods are installed on the two sides of the base in a threaded mode correspondingly, and the first threaded rods are slidably connected to the inner side walls of the four sliding holes correspondingly. One ends of the two first threaded rods are connected with first sliding blocks in a penetrating mode from the outer side of the base, one ends of the two first threaded rods are connected with the other side of the base in a penetrating mode from one sides of the first sliding blocks, and first supporting blocks are fixedly installed on the top faces of the two first sliding blocks. According to the mechanical part clamping device, a mechanical part is placed on the base, two threaded rods I are rotated, so that a sliding block I moves along a sliding hole of the base, a supporting block I, the supporting block I and a planar clamping block I are moved and get close to the mechanical part, and the mechanical part is clamped, so that the effect of adjusting the clamping position is achieved.

The utility model relates to the related field of cylinder body grinding removal, and discloses a quartering hammer cylinder body interior refined grinding removal tool which comprises a bottom plate, a first installation frame and a second installation frame are fixedly arranged on the bottom plate, a grinding mechanism is installed on the first installation frame, and a grinding table is rotatably installed on the second installation frame. Two clamping blocks are slidably installed on the grinding table, a power mechanism is installed on the grinding table, and the power mechanism is in transmission fit with two of the sliding blocks; a linkage assembly is mounted on the polishing table; the linkage assembly is in transmission fit with the power mechanism, and the linkage assembly is in transmission fit with the other two clamping blocks. According to the automatic clamping device, the power mechanism and the linkage mechanism are arranged to drive the four sliding blocks to slide, the four sliding blocks drive the four clamping blocks to clamp and unclamp the breaking hammer cylinder body, therefore, automatic clamping and unclamping are carried out, manual participation is not needed in the whole process, the automation degree is high, time and labor are saved, and people are not prone to being hurt.

The utility model relates to the technical field of stainless steel water tanks, in particular to a buried stainless steel water tank not prone to displacement. According to the technical scheme, the device comprises a shell, and four sliding grooves are formed in the bottom face of the shell; the water tank is arranged in the shell and used for storing water, a bottom plate is arranged at the bottom of the water tank, an adjusting threaded rod is rotationally arranged on the bottom plate, and the lower end of the adjusting threaded rod penetrates through the shell in a threaded mode; a limiting assembly used for limiting the water tank is arranged on the bottom face of the bottom plate. Soil around the buried water tank does not need to be compacted, the water tank is prevented from being damaged, meanwhile, the overall stability of the water tank is improved, displacement of the water tank caused by soil movement or external force is prevented, position change of the water tank caused by soil settlement is effectively prevented, and it is guaranteed that the water tank is always kept at the designed position.

The invention discloses a stamping device with an automatic automobile part carrying structure, and relates to the technical field of automobile part stamping, the stamping device has the advantage of being capable of carrying steel automatically, and the technical scheme is characterized in that the stamping device comprises a fixing ring, a punching mechanism, a stamping mechanism, a stamping and bending mechanism and a placing table; a collecting box is placed on the portion, between the containing table and the punching and bending mechanism, of the ground, the device further comprises a storage mechanism used for storing Y-shaped steel and placed at the top end of the containing table, a feeding mechanism arranged on the containing table and used for taking out the steel stored by the storage mechanism, and a lifting mechanism arranged on the containing table and used for lifting the Y-shaped steel. A mounting ring is arranged at the top end of the fixing ring through a lifting mechanism, the top end of the mounting ring is coaxially and rotatably connected with a rotating ring and clamping mechanisms through a driving mechanism, the top end of the rotating ring is horizontally and slidably connected with four sliding seats through a moving mechanism, the four sliding seats are uniformly distributed in the circumferential direction of the rotating ring, and the clamping mechanisms are arranged at the top ends of the four sliding seats.

The utility model belongs to the technical field of compactors, and particularly relates to a concrete compactor which comprises a compactor body, a first mounting groove and a second mounting groove are formed in the two sides of the compactor body, the middle of the compactor body is hollow, the upper periphery of the middle of the compactor body is larger than the lower periphery of the middle of the compactor body, and a mounting frame is arranged in the middle of the compactor body and is of a box structure with the bottom open. The lower periphery of the mounting frame is larger than the lower periphery of the middle of the machine body, a vibrating mechanism is arranged in the mounting frame, a driving mechanism and a fixing mechanism are arranged on the machine body, and the fixing mechanism is located above the mounting frame and comprises two parallel and symmetrical sliding rails, four sliding blocks, fastening nuts and a fixing plate. The four sliding blocks are symmetrically connected to the sliding rails in a sliding mode, the fastening nuts are all connected to the four sliding blocks in a threaded mode, the number of the fixing plates is two, and the fixing plates are both fixedly connected between the two sliding blocks. The mounting frame is arranged in the middle of the machine body, and the fixing mechanism is arranged above the mounting frame, so that internal parts of the compacting machine for concrete are convenient to disassemble and assemble, meanwhile, other parts are arranged on the side part of the machine body, operators can conveniently carry out maintenance, and the compacting quality and the working efficiency can be improved.

The invention belongs to the technical field of welding, particularly relates to welding equipment and a welding method for a building steel structure, and aims to solve the problems that when an existing device is used for welding a steel structure plate, the angle of a welding gun body cannot be adjusted, and the operation is complicated when all positions of the steel structure plate are welded, so that the welding efficiency of the steel structure is influenced. According to the technical scheme, the welding device comprises a supporting frame, a welding platform is fixedly connected to the top of the supporting frame, four sliding grooves are formed in the top of the welding platform, and moving modules are arranged in the four sliding grooves correspondingly. All positions of a steel structure needing to be welded can be welded, the accessory welding quality is improved, meanwhile, the angle of the welding gun body can be automatically adjusted, the welding gun is suitable for welding of different welding positions, the welding efficiency is improved, and the using effect and diversity of the device are improved.

The utility model relates to the technical field of machine tools, in particular to a numerical control plane drilling machine which comprises a machine tool body and a working table, the working table comprises a mounting plate and a dovetail groove plate, four L-shaped sliding blocks are annularly arrayed on the mounting plate, and the four sliding blocks are driven by a driving device to synchronously move oppositely or oppositely; positioning plates are slidably mounted on the horizontal portions of the sliding blocks, ejector rods are arranged at the ends, opposite to each other, of the positioning plates, and the ejector rods are slidably connected with crow bars rotationally mounted on the vertical portions of the sliding blocks. During use, a workpiece is placed on the dovetail groove plate, the four sliding blocks are driven to get close to each other through the driving device, when the positioning plate abuts against the side wall of the workpiece, the positioning plate moves backwards to abut against the embedded frame to move in the straight groove so as to abut against the crow bar to deflect, and when the pressing end of the crow bar abuts against the surface of the workpiece, the crow bar and the positioning plate cannot continue to move to clamp the workpiece. Therefore, centering, positioning and clamping of the workpiece are completed, practicability is high, centering, positioning and clamping are conducted firstly, the preliminary positioning step of the drill bit is simplified, and operation is easier and more convenient.

The utility model belongs to the technical field of feeding tables of plate punching machines, and particularly relates to an extension mechanism for a feeding table of a plate punching machine, which comprises a plate punching machine, a fixed plate, an extension plate and two hinges and further comprises a sliding plate, the sliding plate is slidably mounted at the bottom of the fixed plate, the extension plate is arranged on one side of the fixed plate, and the two hinges are arranged on the fixed plate. The two hinges are both fixedly installed between the fixed plate and the extension plate, one side of the sliding plate extends into the extension plate, one side of the sliding plate is matched with the extension plate in an inserted connection mode, and the fixed plate is fixedly installed at a feeding port of the plate punching machine; the four sliding grooves are formed in the two sides of the fixed plate and the two sides of the extension plate correspondingly, sliding blocks are slidably installed in the four sliding grooves correspondingly, and rectangular columns are arranged on the two sides of the fixed plate correspondingly, so that the length of the feeding area is increased, operation is convenient, tools are not needed, and the use range of the whole device is widened; and meanwhile, it is ensured that the fixed plate and the extension plate are tightly and stably connected in use, and the stability of the whole device in use is ensured.

The utility model discloses a machining device capable of guaranteeing the stability of a steel pipe welding process, and belongs to the technical field of metal processing.The machining device capable of guaranteeing the stability of the steel pipe welding process comprises an adjusting box, the adjusting box is used for adjusting the welding distance of a steel pipe, and four sliding blocks are slidably connected into the adjusting box; an output shaft of an electric telescopic rod is made to stretch out and draw back by starting the electric telescopic rod, and at the moment, through limiting of a first rotating rod and a second rotating rod, cooperation of a first sector gear and a second sector gear and transmission of a first mounting base and a second mounting base, a first connecting column and a second connecting column can do reciprocating motion in a circumferential track; through cooperation of the first sliding block and the second sliding block, the first clamping block and the second clamping block can move in the opposite direction or the opposite direction, so that the steel pipe is clamped or released, the problems that the welding efficiency is low, welding is not firm and the like due to the fact that the steel pipe is not stably fixed in the welding process are further solved, and the application range is wide.

The utility model provides a raised head rivet disassembling auxiliary device which comprises a guide sleeve (1), a drill rod (2), a first bearing (3), a drill rod spring (4), a second bearing (5), a four-claw sliding block (6), a sliding block spring (7) and a drill bit (8), the guide sleeve (1) is in a barrel shape, a straight hole is formed in the upper end of the barrel shape, and a step hole is formed in the lower end of the barrel shape and used for installing the second bearing (5), the drill rod (2), the drill rod spring (4) and the first bearing (3); four sliding grooves are formed in the outer surface of the lower end of the barrel shape and used for installing a four-claw sliding block (6) and a sliding block spring (7), and the guide sleeve (1) provides an installation supporting structure for other parts. The drill rod (2) is in a round straight rod shape with a boss in the middle, the upper end of the drill rod is installed in the first bearing (3), the lower surface of the boss makes contact with the upper end of the drill rod spring (4), the lower end of the drill rod is installed in the second bearing (5), the drill rod (2) is used for transmitting power, and the upper end of the drill rod is connected with a pneumatic tool and a drill bit (8).

The utility model discloses a kind of transfer spreader, including spreader main body and the spreader frame being installed on spreader main body, four sliding cavities are opened in spreader main body, sliding cavity is slidably arranged with slide bar, the same side part pallet is installed on the two minimum spacing slide bar, the end of slide bar away from side part pallet is provided with stop block, the through hole that is communicated with outside and is adapted to the diameter of slide bar is opened in the inner wall of one side of sliding cavity, when the size of spreader main body itself needs to be adjusted, two racks can be driven to each other close or each other away by rotating transmission gear, two side part pallets can be driven to each other close or each other away by the sliding block connected on two racks at this time, to realize the size of spreader itself is adjusted, by the setting of slide bar, the moving direction of side part pallet can be guided, and the moving range of side part pallet can be limited by the stop block set in the end of slide bar, avoid the connection between side part pallet and spreader main body to be separated.

The present application relates to sheet metal parts processing technical field, especially to a kind of sheet metal parts processing with straightening device, including pedestal, the rack being fixed in the upper portion of pedestal by four slide columns, first electric oil cylinder being installed in the upper end of rack middle part and movable installation in the lower end of first electric oil cylinder and four slide columns between pressing plate, the upper end middle part of pedestal is embedded with ceramic electric heating plate below pressing plate, the middle part of left and right ends of pedestal is all set with side groove.The present application, by setting ceramic electric heating plate, side groove, first trapezoidal slider, second electric oil cylinder and clamping plate on the original pedestal, while setting slide buckle, second trapezoidal slider and spiral extrusion spring on pressing plate, can be two ends of sheet metal part is drawn in middle hot-pressing comprehensive straightening treatment, reduce the occurrence of bending deformation problem in sheet metal machine straightening process, effectively reduce the workload of sheet metal part straightening processing, to improve the convenience and effect of sheet metal part straightening processing.

The utility model discloses a decorative wallboard with a replaceable veneer, which comprises a wall body, a turntable and a board body, and the wall body is fixedly connected with a guide rail; the rotating disc is arranged on one side of the wall body, one side of the rotating disc is fixedly connected with a sliding block, and the sliding block is arranged outside the guide rail in a sliding and sleeving mode; the plate body is rotationally connected to one side of the turntable; the number of the guide rails and the number of the sliding blocks are both four, and the four guide rails and the four sliding blocks are all arranged around the central axis of the rotating disc in a surrounding mode. The four guide rails are perpendicular to one another, and the four sliding blocks are perpendicular to one another. A circular groove is formed in one side of the plate body, a clamping groove is formed in the inner side of the circular groove, a connecting disc is fixedly connected to one side of the rotating disc, and the outer edge of the connecting disc is rotationally connected with the clamping groove; and one side of the plate body is fixedly connected with a fixed shaft. According to the utility model, by arranging the turntable and the plate body which can be sleeved and rotated in a sliding manner, the mounting and dismounting can be convenient, and the position can be finely adjusted after mounting.