1838 results about "Lever pressing" patented technology

The invention discloses a rigid rod frequency ratio method axial force identification method. The method comprises the following steps: (1) according to engineering data, obtaining whether a rigid rod is a pressure rod or a pull rod, and obtaining related parameters of the rigid rod: the linear density m of the rigid rod, the length L of the rigid rod and the flexural rigidity EI of the rigid rod; (2) vibration signals of the rigid rod are collected on site through a vibration sensor, and multi-order frequency of the rigid rod is obtained through analysis; (3) selecting a corresponding method to calculate the frequency ratio of the rigid rod according to whether the rigid rod is a compression rod or a pull rod and boundary conditions, and calculating the axial force of the rigid rod through a frequency ratio method; and (4) checking the relative flexural rigidity xi of the rigid rod, and evaluating the axial force identification precision of the rigid rod. According to the method, a unified calculation method for identifying the axial force of the rigid pull rod and the pressing rod is established through a frequency ratio method, the method is easy to use and has good precision, and a practical new method is provided for identifying the axial force of the rigid rod.

The invention provides a sole pressing machine for shoemaking and a shoe sole pressing method. The sole pressing machine comprises a rack, a left and right edge pressing device, a front and back tightening device, a pressing rod device and a jacking mechanism, and a working platform is arranged on the lower portion of the rack; the jacking mechanism is arranged on the working platform, and the left and right edge pressing device is arranged above the jacking mechanism and connected with the movable end of the jacking mechanism. The front-back tightening device and the pressing rod device are both arranged above the left-right edge pressing device, and the upper end of the front-back tightening device and the upper end of the pressing rod device are both connected with the rack. The automatic shoe taking and placing device has the advantages that in the open state, the front end and the rear end of the left-right edge pressing device are not blocked by the front lacing mechanism and the rear lacing mechanism, meanwhile, the enough distance can be kept between the left-right edge pressing device and the front-rear lacing device, automatic taking and placing operation on shoes can be conveniently achieved by means of a mechanical arm and the like, manual shoe taking and placing are not needed, and the labor intensity of workers is reduced. And full-automatic production of sole pressing operation can be realized, so that the production efficiency is improved.

The invention discloses a wafer back contact type positioning and clamping fixing device and a wafer bonding method.The wafer back contact type positioning and clamping fixing device comprises a bonding cavity, a lower suction cup, an upper pressing disc, a controller, a pressing driving mechanism, a positioning pressing rod, a clamping driving mechanism and a flexible clamping jaw, and the lower end of the positioning pressing rod can abut against the upper end wall of the lower suction cup; the clamping driving mechanisms are arranged on the two sides of the lower suction cup in an up-down sliding mode, the flexible clamping jaws are connected with the clamping driving mechanisms, the clamping driving mechanisms drive the flexible clamping jaws to slide in the radial direction of the lower suction cup, the flexible clamping jaws are used for clamping and fixing a wafer, and the inner circumferential wall of each flexible clamping jaw can abut against the outer circumferential wall of the wafer. The limiting block can abut against the lower end wall of the edge of the wafer, and the pressing driving mechanism and the clamping driving mechanism are electrically connected with the controller. According to the technical scheme, the wafer surface can be prevented from being polluted and damaged, the stability of the wafer bonding process can be effectively improved, the rejection rate is reduced, the cost is saved, and the high market application and popularization value is achieved.

The utility model discloses an anti-sticking punching device for bearing forging. The anti-sticking punching device comprises a punching rack, a lifting driving mechanism, a punching head, a punching table, a guide vertical rod, a guide transverse rod, a clamping block and a pressing rod. The guide vertical rod is in up-down sliding fit with the stamping table around the center of the stamping table; supporting springs are arranged at the tops of the guide vertical rods; a push-stop block is mounted at the top of the guide vertical rod; a vertical surface and an inclined surface are arranged on one side surface of the push stop block from top to bottom; the inclined surface is obliquely arranged in the direction far away from the blanking hole from top to bottom; the guide cross rod is in horizontal sliding fit with a bracket on the stamping table; reset springs are arranged at the outer ends of the guide cross rods; the pressing rod is connected with the punching head; the bottom end of the pressing rod is vertically aligned with the top end of the guide vertical rod; when the stamping head moves downwards and upwards, the outer end of the guide cross rod slides along the vertical face all the time, the clamping blocks clamp and restrain forging materials all the time, and the material sticking situation in the stamping process is effectively avoided.

The utility model belongs to the technical field of multi-shaft manipulators, and particularly relates to a multi-shaft manipulator for taking LED (light-emitting diode) bulb shells, which comprises a sliding frame I. A taking component is mounted at the bottom of a lifting frame and provided with a taking plate, and a plurality of air bag inner support clamping jaws are mounted on the taking plate to simultaneously grab a plurality of bulb shells. The material taking plate and the rotating block are fixedly installed through a fixing mechanism, the fixing mechanism is provided with a first fixing block, a second fixing block and an insertion rod, the first fixing block and the second fixing block are fixed through cooperation of the insertion block and the insertion groove, and the insertion rod is inserted from the side face to ensure that the first fixing block and the second fixing block are not separated; and the inserting rod is fixed between the first fixing block and the second fixing block through the quick disassembling mechanism, when the material taking plate needs to be disassembled, only the pressing rod needs to be pressed, so that the trapezoidal block is separated from the clamping groove, the inserting rod is pulled out, then the first fixing block and the second fixing block are quickly separated, disassembling of the material taking plate is completed, and quick disassembling of the material taking plate is achieved.

The invention belongs to the technical field of crane hoisting, and relates to a device for preventing hoisting damage of a steel coil outer ring, the device comprises a clamp body, two ends of the clamp body are fixedly provided with clamp arms, the device further comprises hooking claws, a bearing assembly and a pressing assembly, the two hooking claws are respectively fixed at the end parts of the two clamp arms, the bottom ends of the hooking claws are fixedly provided with claw heads which are bent inwards, and the bearing assembly is fixed on the clamping claws. The bearing assembly comprises a supporting frame and an arc-shaped supporting plate, a pressing block is fixed to the bottom of the arc-shaped supporting plate, the supporting frame is fixedly connected with the bent portion of the bottom end of the hook claw, and the pressing assembly comprises a pressing plate and a pressing rod. According to the steel coil hoisting device, the bearing assembly and the pressing assembly are arranged, the steel coil is clamped from the inner ring surface and the outer ring surface of the steel coil through the bearing assembly and the pressing assembly correspondingly, and meanwhile when the bearing assembly and the pressing assembly hoist the steel coil, the bearing assembly and the pressing assembly cannot extrude the edge of the steel coil; and the edge of the outer ring of the steel coil is effectively prevented from being damaged in the hoisting process.

The invention relates to the technical field of welding, and discloses continuous goods shelf supporting strip welding equipment and method. The supporting strips are attracted through the magnets at the bottoms of the pressing plates, the supporting strips are ensured to be always centered and aligned in the process that the supporting strips move downwards to be attached to the frame in cooperation with lateral pressure applied to the side walls of the supporting strips through the pressing rods and the pressing rollers, and lateral deviation is avoided; when the pressing rod is reset in the later period, the ejector rod moves along with the pressing rod and directly acts on the edge welding position, so that extrusion force directly acts on the seam, gaps are eliminated, too large welding seams are avoided, supporting strip bending caused by too large center stress is prevented, and it is guaranteed that the supporting strip is tightly attached to the frame so as to improve the welding precision; and meanwhile, when the main electric push rod drives the pressing plate to move downwards, the T-shaped frame is synchronously pushed to slide along the sliding rail through cooperation of the L-shaped frame, the shifting rod and the sliding block, the goods shelf outer frame is driven to be automatically switched to the next to-be-welded position, manual adjustment is not needed, the procedure interval is greatly shortened, automatic welding is achieved, and the production efficiency is effectively improved.

The invention provides a bearing peach-shaped channel superfinishing grinding device which comprises a base, and a workpiece rotating supporting mechanism and an oilstone swinging mechanism are arranged on the base. The workpiece rotating and supporting mechanism comprises a left tip and a right tip, the left tip is provided with a drive plate and a heart-shaped chuck, and the position of the right tip in the axial direction is adjustable. A mounting seat of the oilstone swinging mechanism can be fed in the left-right direction and the front-back direction and comprises an oilstone swinging rotating shaft capable of rotating in a reciprocating mode in the axial direction, an oilstone frame is arranged at the output end of the oilstone swinging rotating shaft, an oilstone box is arranged at the outer end of the oilstone frame, oilstone is assembled in the oilstone box in the vertical direction, and the axial extension line of the oilstone swinging rotating shaft and the oilstone intersect at a point O; and an oilstone pressing rod and a hydraulic valve are arranged on the oilstone frame. The device can finish superfinishing grinding of two curved surfaces of a peach-shaped channel under the condition that one device is used for one-time clamping, meanwhile, the device can be suitable for superfinishing of a shaft workpiece with a plurality of channels, and the adverse effect of multiple times of feeding on the superfinishing grinding precision can be effectively reduced.

The hook comprises a hook body, an anti-disengaging pawl, a connecting rod, a pressing rod and a releasing mechanism, the anti-disengaging pawl is rotatably arranged on the neck portion of the hook body, one end of the anti-disengaging pawl can abut against the tail end of the hook body to seal the opening portion of the hook body when the anti-disengaging pawl rotates, and the two ends of the connecting rod are connected with the anti-disengaging pawl and the pressing rod through hinge structures respectively. One end of the pressing rod is connected to the opening of the lifting hook through the elastic reset element, the other end of the pressing rod is connected with the releasing mechanism, at least part of the pressing rod is located above a groove of the lifting hook in the initial state of the elastic reset element, and when the lifting hook is matched with the rigging, the rigging presses down the pressing rod to trigger the connecting rod to drive the anti-disengaging pawl to rotate to seal the opening of the lifting hook. When the rigging is lifted to be separated from the groove of the lifting hook, the pressing rod is reset under the action of the elastic reset element and the release mechanism to drive the connecting rod to rotate the anti-falling pawl to open the opening part of the lifting hook. According to the application, automatic opening of the anti-unhooking device is realized, and the problem that the anti-unhooking device is inconvenient to open manually in some special occasions is solved.

A positioning jig, comprising a base plate (110) and a first positioning assembly. The first positioning assembly comprises a supporting rod (121), a pressing rod (122), and a driving module. The supporting rod (121) is arranged on the base plate (110) and used for supporting one side of a workpiece along a first direction. The pressing rod (122) is rotatably arranged on the base plate (110) about a rotation axis. The driving module is arranged on the base plate (110), and is connected to the pressing rod (122) so as to drive the pressing rod (122) to rotate about the rotation axis. During rotation, the pressing rod (122) can press against the other side of the workpiece along the first direction to tightly press the workpiece against the supporting rod (121). Since the workpiece is tightly pressed by the rotating pressing rod (122), the driving module only needs to drive the pressing rod (122) to rotate, eliminating the need to arrange a driving structure in the Z direction. As a result, the positioning jig occupies less space in the Z-direction, and is applicable to scenarios where Z-direction space is limited. The present invention further relates to a test apparatus.

The sole pressing machine convenient to open and close comprises a bottom die, a guide frame and an upper cover, the bottom die is provided with a containing groove for placing a shoe tree, the bottom end of the guide frame is arranged at the position, away from the containing groove, of the bottom die, a top base is arranged at the top end of the guide frame, and the upper cover is arranged on the guide frame and can vertically slide in the height direction of the upper cover. The top seat is provided with a first driving device, and the first driving device is used for driving the upper cover to move vertically. The vertical sliding can be realized through the matching of the guide frame and the upper cover, so that a larger opening degree can be realized between the upper cover and the bottom die, a worker can conveniently observe the accommodating groove, the alignment of a vamp and a sole is more accurate, and the pressing stability is ensured; and meanwhile, the lower wall of the upper cover can facilitate installation and adjustment of the pressing rod and the vamp covering structure, so that the applicability of the sole pressing machine is improved, and the production efficiency and the use convenience are improved.

A cover fastening device of a side-opening packaging box, comprising: a rack, wherein the rack is provided with a cover fastening platform (100), a bottom surface suction cup (101), a packaging box positioning and clamping device, and a box taking and transferring device. The rack is further provided with a cover-pushing-in-box device, a box cover pressing device, a box cover blocking device and a box cover tongue expansion device. The box taking and transferring device comprises: a transfer linear module (21), wherein the transfer linear module (21) is provided with a vertically arranged box taking electric cylinder (2), a box taking mounting base is arranged on a driving rod of the box taking electric cylinder (2), a box taking pressing plate (26) and at least two box taking suction cups (27) arranged in the length direction of the packaging box are arranged on the box taking mounting base, and the box taking suction cups (27) can penetrate through the box taking pressing plate (26). The cover-pushing-in-box device comprises: a push plate (32), and first and second push guiding plates (33, 34) correspondingly arranged at the upper and lower ends of the push plate (32). The box cover pressing device comprises a pressing rod (4) capable of moving in three dimensions. The box cover blocking device comprises a right-angle baffle (5) capable of moving in three dimensions. The box cover tongue expansion device comprises: an expansion lifting / lowering air cylinder (60) arranged on the rack in the vertical direction, an expansion suction cup air cylinder (63) is arranged on a piston rod of the expansion lifting / lowering air cylinder (60), and an expansion suction cup (6) is arranged on a piston rod of the expansion suction cup air cylinder (63). The cover fastening device can automatically close a clip to close a larger cover and a smaller cover, and automatic sealing of a box opening of a side-opening packaging box is achieved.

When the improved structure of the sole pressing machine works, a second driving mechanism is used for driving a pressing rod to move to a position staggered with a working space, so that a manipulator can smoothly place a workpiece in the working space, and then the second driving mechanism is used for driving the pressing rod to move to a position opposite to the working space; compared with the prior art, a displacement function is added to the pressing rod, the discharging action of the mechanical arm is avoided or reset by moving the position of the pressing rod, the overall structure is simple, the operation is convenient, and the cost is low. The problem that a traditional fixed pressing rod is prone to hindering the discharging action of the mechanical arm is effectively solved.

The invention provides a torque arm part clamping device and method. The torque arm part clamping device comprises a base plate, a clamp and a cushion block assembly. The clamp comprises a first base, a pressing plate and a pressing rod, one end of the pressing rod is connected to the first base, and the other end of the pressing rod is connected to the pressing plate so that the pressing plate can apply pressure. The two clamps are symmetrically arranged in the X direction, and an acute angle is formed between the two first bases. The multiple cushion block assemblies are arranged between the two clamps, and the multiple cushion block assemblies are arranged in the Z direction; the cushion block assembly comprises a second base and at least one ejector rod connected to the upper end of the second base in a threaded mode. The first base and the second base are installed on the base plate. The online measuring system of the machine tool is utilized, the thought of automatic, reliable and efficient alignment and judgment is achieved, the B shaft of the part is rapidly aligned, it is guaranteed that the allowance of all end faces, namely holes, is uniform, and the tool connecting problem of appearance machining and end face finish machining is solved.

The present invention relates to the technical field of tying machines, and in particular to a high-performance tying machine. The tying machine includes a frame body, a clamping arm, an operating handle assembly, an upper head and a lower head. The clamping arm and the operating handle assembly are both rotatably arranged on the frame body. The operating handle assembly is configured to control the movement of the clamping arm. The upper head is arranged on the clamping arm, and the lower head is arranged on the frame body corresponding to the movement track of the upper head. When the two heads come into contact, the first convex shaft on the lower head can abut against and limit the first pressing rod, and the second convex shaft can buffer the second pressing rod, so that no sliding misalignment occurs between the two heads, effectively avoiding the situations of tape detachment and nail jamming of the tying machine, and greatly improving the working stability of the tying machine and the working efficiency of agricultural operations.

The lathe machining device comprises a tool rest, four lifting plates distributed in a rectangular mode are arranged at the upper end of the tool rest, lead screws are inserted into the upper ends of the lifting plates, the lead screws are in threaded connection with the lifting plates, the lower ends of the lead screws penetrate through the lifting plates and are rotationally connected with the upper end of the tool rest, and the lower ends of the lead screws are fixedly connected with the tool rest. A plurality of pressing rods are fixedly connected to the lower end of the lifting plate, a circle of square containing groove is formed in the outer side wall of the tool rest, the lower ends of the pressing rods slidably penetrate through the tool rest and extend into the containing groove, four connecting grooves distributed in a rectangular mode are formed in the inner bottom of the containing groove, and supporting blocks are slidably connected to the inner side walls of the connecting grooves; the upper end of the supporting block penetrates through the connecting groove and extends into the storage groove. Through the arrangement of the supporting block, the pressing rod and other mechanisms, the turning tool can be rapidly installed and fixed, meanwhile, a user can conveniently adjust the height of the turning tool, and practicability and convenience are improved.

The present invention relates to the technical field of coil assembly devices, and particularly relates to an integrated clamping and pressing mechanism. The integrated clamping and pressing mechanism includes a transmission mechanism and a clamping and pressing mechanism. The clamping and pressing mechanism includes a clamping disc, a driving cylinder, an inner support member, a driving member, a connecting plate, a chassis, and a pressing rod. One end of the inner support member is connected to the clamping disc, and a plurality of inner support ends are spaced apart at the other end. The driving member is disposed inside the inner support member and is provided with a support opening end. One end of the pressing rod is disposed on the clamping disc, and the other end of the pressing rod is used to abut against the coil bobbin during pressing. A plurality of the inner support ends abut against the inner side of the coil bobbin, and the coil bobbin is clamped from the inner wall of the coil bobbin, so that there is no gripper blocking on the outer side of the coil bobbin. During the pressing process, the inner support ends always fix the inner side of the coil, ensuring that the position of the coil bobbin only moves downward synchronously during the pressing process, and ensuring the neatness of the pressing position.

The reinforcing and damping device for the fabricated building foundation comprises a foundation column, four first connecting plates which are circumferentially arranged are fixedly connected to the foundation column, mounting clamping pieces are arranged at the ends, away from the foundation column, of the first connecting plates, and fixing blocks are fixedly connected to the mounting clamping pieces; first damping pads are fixedly connected to the four corners of the bottom of the fixing block, guide rods are fixedly connected to the bottoms of the first damping pads, the guide rods are slidably sleeved with guide pipes, second damping pads are fixedly connected to the bottoms of the guide pipes, and buffer springs arranged outside the guide pipes in a sleeving mode are fixedly connected between the first damping pads and the second damping pads. The bottoms of the four second damping pads are jointly and fixedly connected with a base. Through cooperative use of a first damping pad, a second damping pad, a pressing rod, a rubber protection pad, a buffering air bag and industrial sponge, a good vibration reduction effect can be achieved, and a first connecting plate is fixed through a first bolt, so that a certain reinforcing effect is achieved on the foundation pillar, and the foundation pillar is prevented from deviating when being vibrated.

The utility model belongs to the technical field of automobile carpet processing equipment, and particularly relates to an automobile carpet cutting mechanism which comprises a machine box, a workbench is fixedly arranged at the top of the machine box, limiting seats are fixedly arranged on the two sides of the workbench respectively, the tops of the two limiting seats are movably provided with the same sliding table, and the sliding table is fixedly arranged on the machine box. By arranging the fixing box, the hinge seat, the lock frame, the clamping block and the pressing plate, the pressing rod is pressed downwards during machining, the pressing rod drives the pressing plate and the clamping block on one side, the clamping block extrudes the lock frame on one side, the clamping block extrudes the lock frame on the other side, the clamping block extrudes the lock frame on the other side, the clamping block is fixed to the fixing box, the cutting assembly is fixed to the front face of the sliding table, and the positioning bolt is fixed to one side of the clamping block. When the inclined plane on one side of the lock hook is not in contact with the inclined plane on one side of the clamping block, the second spring pushes the lock frame to be clamped on the clamping block again to achieve positioning of the pressing rod, the blanket is fixed after the pressing plate is attached to the blanket and fixes the blanket, and the situation that cutting precision is not accurate due to displacement is avoided.

The utility model provides a positioning fixture for chamfering an elevator guide rail, which relates to the technical field of fixtures and comprises a carriage, a bidirectional threaded rod and a clamping device. The sliding frame is welded with the mounting frame; the two-way threaded rod is rotationally connected with the elevator guide rail containing table. The clamping device comprises a movable frame, a spring and an upper clamping plate; an upper clamping plate is connected to the position, close to the top end, of the front side face of the movable frame through bolts, a positioning threaded pressing rod is meshed with the front side face of the upper clamping plate, and a pressing block is connected to the front side face of the movable frame through bolts. A movable frame is welded to the top end of the spring, and a supporting frame is welded to the bottom end of the spring. Through the arrangement of a bidirectional threaded rod, a sliding frame, a pressing block and an elevator guide rail containing table, synchronous clamping and fixing of the T-shaped elevator guide rail through multiple sets of clamping and fixing devices are achieved, and the dismounting and mounting speed of the T-shaped elevator guide rail on the clamp is increased; the problem that the elevator guide rail chamfering machining efficiency is low due to the fact that a traditional elevator guide rail clamp is tedious and complex in clamping, releasing and disassembling operation is solved.

The utility model discloses a left box cover assembly machining clamp which is characterized in that the left box cover assembly machining clamp comprises a bottom plate, a first vertical plate and a second vertical plate, the first vertical plate and the second vertical plate are both vertically arranged on the bottom plate, one side of the bottom plate is provided with a first clamping station, one side face of the first vertical plate is provided with a second clamping station, one side face of the second vertical plate is provided with a third clamping station, and the third clamping station is provided with a third clamping station. Wherein the first clamping station comprises a plurality of first positioning seats, a first lever pressing cylinder is arranged above at least three first positioning seats, a first cylindrical pin and a first diamond pin are arranged at one group of opposite angles of the first clamping station, and two first positioning guide pins are arranged at the other group of opposite angles of the first clamping station; the clamp has the advantages that the clamp is simple in structure and convenient to clamp, three products can be clamped at the same time, machining efficiency is improved, the problem of poor machining quality caused by repeated replacement of the clamp is solved, the clamping height of the products is greatly reduced, and the problem that the clamping space of machining equipment is limited can be solved.

The present invention belongs to the technical field of automobile accessories, and specifically relates to an electric lifting and unfolding mechanism for an automobile table top; wherein slide groove plates are fixed on both sides of the front of the back panel, and vertical slide rails are fixed on the inner side of the slide groove plates, a driving screw rod is arranged on the back panel, and the driving screw rod is driven by a motor, the upright arm is connected to the vertical slide rail through a slider, and its rear end face is connected to the screw slider, the upright arm and the support arm are hinged through a rotary shaft, the shift fork is fitted in the curved slide groove through a roller bearing, the table top is connected to the support arm through a horizontal slide rail, and a pressure rod support structure is provided between the support arm and the upright arm; the present invention is used in automobile interior products, such as sub-panels, aviation seat armrests, door panels, etc., and its structure is compact and can be hidden when not in use.

The invention relates to the technical field of pin press-fitting, and discloses electric compressor pin press-fitting detection integrated equipment which comprises a Y-axis servo module, a clamping tool is slidably mounted on the Y-axis servo module, the clamping tool is driven by a driving source arranged in the Y-axis servo module to move, and the Y-axis servo module is connected with the Y-axis servo module; press fitting of two pins of different sizes is achieved on one station, the number of the stations is reduced, the pins of different sizes can be moved to corresponding press fitting positions through back-and-forth switching of the pin sliding blocks in the cavities to be matched with different feeding assemblies and pressing rods, then press fitting is conducted through the corresponding pressing rods, and the press fitting efficiency is improved. According to the pin press-fitting device, two sets of moving mechanisms aiming at pins of different sizes do not need to be arranged, meanwhile, when one pin is press-fitted, the other pin is synchronously fed, press-fitting and feeding are synchronously carried out, and the press-fitting time of a workpiece is greatly shortened.

The invention discloses a caliper rectangular ring assembling device which comprises a pressing rod and a clamping device, the pressing rod comprises a rod body internally provided with an air passing channel and a cover plate fixed to one end of the rod body, and a mounting gap communicated with the air passing channel is formed between the cover plate and the rod body and used for containing a rectangular ring; and the air pump assembly communicates with the end, away from the mounting gap, of the air passing channel so as to exhaust or ventilate the mounting gap through the air passing channel. According to the caliper rectangular ring assembling device provided with the mounting gap and the air passing channel, after an operator completes insertion connection of a pressing rod and calipers, a rectangular ring is just flatly clamped into a rectangular ring mounting groove, the whole mounting process is simple and convenient, the operator does not need to take the rectangular ring to press the rectangular ring into the rectangular ring mounting groove, and the working efficiency is improved. The rectangular ring is prevented from falling into the concave position of the calipers in the manual installation process, the problem that the rectangular ring cannot be pressed flat due to the fact that the rectangular ring is not aligned with the rectangular ring installation groove is also avoided, the assembly difficulty is reduced, the assembly time is saved, and the assembly efficiency is improved.

The utility model belongs to the technical field of bushing riveting, and particularly relates to a flexible bushing riveting tool which comprises a squeeze riveter for providing power and a connecting seat detachably connected with the squeeze riveter, and a workbench for placing a workpiece to be riveted is arranged at the bottom of the connecting seat. The squeeze riveter is provided with a pressing rod, the free end of the pressing rod faces the workbench, and the squeeze riveter drives the pressing rod to move towards the workbench. The pressing and riveting tool is simple in structure, convenient to operate and suitable for different working environments, an operator can quickly complete the lining pressing and riveting procedure conveniently, and efficiency is improved. And the overall size is small, and the production cost of equipment can be reduced. And the squeeze riveter is detachably connected with the connecting seat, so that the squeeze riveter can be conveniently replaced and connected with connecting seats with different specifications, and the requirement that the bushing is riveted on different products can be met.

The utility model relates to the technical field of oil seals, in particular to an oil seal press fitting device which comprises a supporting rod, the outer side of the supporting rod is sleeved with an impact handle in a sliding mode, a threaded rod is fixedly installed at the end of the supporting rod, the outer side of the threaded rod is sleeved with a linkage handle in a threaded mode, and movable blocks are arranged in the two ends of the linkage handle in a sliding mode. Adjusting rods are arranged at the two ends of the linkage handle in a threaded and penetrating mode, the ends, extending to the inner side of the linkage handle, of the adjusting rods are rotationally connected with one side of the movable block, a pressing rod is connected to the interior of one end of the movable block in a threaded mode, and the end of the pressing rod extends to the outer side of the linkage handle in a penetrating mode. And the device is suitable for pressing and mounting oil seals with different sizes and worthy of popularization.

The invention belongs to the field of cranes, and particularly discloses square billet conveying equipment which is characterized in that a movable cross beam is slidably arranged between two main beams, and a hoisting assembly is arranged on the movable cross beam in an up-down moving mode; the moving seat is connected with the end part of the moving cross beam, a driving wheel is arranged on the moving seat, and butt joint grooves are embedded in the peripheral wall of the driving wheel at intervals in the circumferential direction; the sliding rail is arranged on the main beam, a plurality of butt joints which are arranged at intervals in the direction of the main beam are elastically arranged in the sliding rail, and the butt joints are provided with safety pressing rods used for enabling the movable seat to face the main beam. By arranging a butt-joint groove, a butt-joint head and a safety pressing rod and ingeniously applying the movement rule between objects in rolling friction and sliding friction, when a driving wheel stops power supply and is locked, the butt-joint head moves downwards and synchronously drives the safety pressing rod to press downwards, and therefore the friction force between a movable seat and a sliding rail is increased; abnormal sliding between the sliding rail and the moving seat is avoided, and the stability of the travelling crane in the moving process is further guaranteed.

The utility model discloses an intermediate shaft and gear assembly high-precision positioning press-fitting device which comprises a base, the base is provided with a supporting face, and a first channel extending in the axial direction is formed in the middle of the base. The positioning ring is installed on the base and is coaxial with the first channel, and the positioning ring is arranged outside the gear in a sliding and sleeving mode during press fitting; the first positioning cone top is mounted in the first channel in a sliding manner and is coaxial with the positioning ring; the first spring is arranged in the first channel and is supported at the bottom of the first positioning cone top, so that the first positioning cone top can coaxially extend into a center hole in the lower end of the intermediate shaft after the pilot part of the intermediate shaft is inserted into the gear; the pressing rod is arranged above the base, and a second channel extending in the axial direction is formed in the pressing rod; the second positioning cone top is installed in the second channel in a sliding mode, the second positioning cone top and the first positioning cone top (3) are coaxially arranged, and during press fitting, the cone part of the second positioning cone top coaxially stretches into the center hole in the upper end of the middle shaft. Through the scheme, the mounting quality of the intermediate shaft and the gear is effectively improved.

The utility model discloses a high-precision quality detection device for household appliance injection molding parts, which comprises a support frame, the top of the support frame is provided with a hydraulic cylinder, and the high-precision quality detection device has the beneficial effects that a first bidirectional screw rod and a movable sliding block are arranged, so that the movable sliding block on the outer side is driven to move and adjust when the first bidirectional screw rod rotates; the positions of an adjusting sliding box, an adjusting sliding plate and pressing rods are driven to be adjusted through a movable sliding block, the adjusting sliding plate and the pressing rods on the outer side are driven to be movably adjusted through rotation of a second two-way lead screw, and the spacing positions among the four pressing rods are adjusted; the impact strength of the four corners of the remote controller injection molding parts of different models can be conveniently detected, the remote controller injection molding parts can be placed in the remote controller injection molding part positioning frame through the arrangement of the remote controller injection molding part positioning frame, the remote controller injection molding parts can be placed in a limited mode, and the quality detection work of the remote controller injection molding parts is facilitated.