40results about How to "Guaranteed deformation" patented technology

The utility model provides a double-face chamfering device which comprises an upper die and a lower die, and a pre-punching upper male die, a front face chamfering upper male die, a fine punching upper male die, a reverse face chamfering upper male die and a front face shaping upper male die are sequentially arranged in the upper die. A pre-punching lower female die, a front face chamfering lower female die, a fine punching lower female die, a reverse face chamfering lower male die and a front face shaping lower male die are arranged at the positions, corresponding to the pre-punching upper male die, the front face chamfering upper male die, the fine punching upper male die, the reverse face chamfering upper male die and the front face shaping upper male die, in the lower die respectively. According to the utility model, the processing problem of the collision plate product with the double-sided chamfer through hole is solved, the production cost is reduced, and the production efficiency is improved.

The utility model discloses a deformable massager which comprises a flexible connecting piece, a massage assembly and a flexible shell, and the flexible connecting piece can deform under the action of force; at least one end of the flexible connecting piece is connected with a massage assembly; and the flexible shell covers the peripheries of the flexible connecting piece and the massage assembly. According to the deformable massager, the flexible connecting piece is arranged to deform to achieve clamping so as to improve the wearing stability, the massage component is used for massaging the massage part, and the deformable massager can easily meet the massage requirements of different parts.

The utility model discloses a high-temperature-resistant stretch-resistant insulating tape which comprises a tape body, and the tape body comprises a base material layer, an acrylic acid adhesive layer, a ceramic fiber coating, a silicone rubber layer, a polyamide coating and a silicone oil release film layer. The acrylic acid adhesive layer is arranged on the bottom surface of the ceramic fiber coating and is used for providing an adhesive property; a corrugated structure is arranged on the acrylic acid adhesive layer; the silicone rubber layer is arranged on the top surface of the base material layer, and the silicone rubber layer is of a latticed structure. The ceramic fiber coating has a higher melting point and a lower thermal expansion coefficient, so that the adhesive tape body has better high-temperature resistance and can be suitable for various high-temperature application scenes; the silicone rubber layer has good elasticity and flexibility, so that the silicone rubber layer can be deformed to a certain degree and cannot be broken when being stretched; meanwhile, the silicon rubber layer is of a latticed structure, and the latticed structure can enable the insulating rubber tape to uniformly distribute stress when the insulating rubber tape is pulled, so that the tensile property is enhanced.

The present invention discloses a high-temperature sintering method for preparing ceramsite from heavy metal contaminated soil and fly ash, the steps of which include using contaminated soil and fly ash as raw materials for preparing ceramsite, pre-treating the contaminated soil, adding a certain amount of fly ash and aging with alkaline water, then granulating with a designed mold, and drying to remove moisture after granulation. Finally, high-temperature sintering treatment is performed, and the finished ceramsite is obtained after cooling. The present invention adopts high-temperature solidification / stabilization technology to improve the solidification efficiency of heavy metals. And the designed mold helps to ensure that the size of the finished ceramsite is basically the same and improve the strength of the product. The addition of fly ash can appropriately reduce the sintering temperature during the calcination process, which is beneficial to reducing energy consumption. Replacing pure water with alkaline water can reduce the activity of heavy metals in the contaminated soil and the volatilization of heavy metals during the calcination process. The coordinated disposal of the two solid wastes into ceramsite products not only reduces the environmental burden, but also realizes resource utilization.

The utility model belongs to the technical field of hydraulic oil cylinders, and particularly relates to a supporting deformation monitoring system for a supporting oil cylinder, which comprises a cylinder body and a piston arranged on the inner wall of the cylinder body in a sliding manner, a piston rod is arranged at one end of the piston, the supporting deformation monitoring system further comprises a locking ring, and internal threads are arranged on the locking ring; a supporting ring is arranged at one end of the cylinder body, external threads are arranged on the section, away from the cylinder body, of the piston rod, and the piston rod is in threaded connection with a locking ring. A gap is formed between the locking ring and the thread of the piston rod, and when the locking ring is screwed and attached to the supporting ring, the piston rod can axially move in the direction of the piston (rodless cavity); a supporting assembly is arranged at the tail end of the piston rod and used for supporting a main body structure. According to the system, the phenomenon that the collapse phenomenon cannot be monitored due to the fact that the pressure in the rodless cavity rigid body is not changed because the oil cylinder body is rigidly locked by the locking ring and force acts on the cylinder body when main structures such as supporting beams, columns and walls supported by the steel support deform is prevented.

The utility model discloses an electrolytic manganese cathode plate beating device which comprises hammer plates symmetrically arranged on the two sides of a cathode plate, a beating hammer head and a cushion hammer head are alternately arranged on the hammer plate on each side, and the height of the beating hammer head is larger than that of the cushion hammer head. And the striking hammer heads and the cushion hammer heads on the hammer plates on the two sides are distributed in a complementary manner by taking the symmetric central plane of the cathode plate as a reference, so that a multi-point combined striking structure is formed. The hammer plate is connected with the driving mechanism through a flexible connecting assembly, and the flexible connecting assembly comprises a plurality of elastic supporting arms and is used for self-adaptively adjusting the contact and stress state between the hammer head on the hammer plate and the cathode plate. According to the utility model, the two sides of the cathode plate are simultaneously knocked, so that the cathode plate can be ensured to deform when being knocked, the deformation can be controlled within an elastic deformation range, the cathode plate is protected from plastic deformation, the service life of the cathode plate is protected and prolonged, and the stripping effect is better.

The utility model provides a square tube packing device. The square tube packing device comprises a supporting table and two rolling mechanisms arranged on the left side and the right side of the supporting table in an opposite mode. The rolling mechanism comprises a jacking element, a base is arranged at the lifting end of the jacking element and provided with a transverse pushing element, a push rod of the transverse pushing element is provided with a support, the support is rotationally provided with two guide rollers and a pressing roller, the pressing roller is arranged close to the top face of the supporting table, the two guide rollers are arranged above the pressing roller side by side, and the two guide rollers are tightly attached to each other. And a guide channel for the packing belt to pass through is arranged between the two guide rollers. The square tube packing machine is simple in structure and convenient to operate, the packing belts of the square tubes are guided and rolled through the rolling mechanism, the packing belts are prevented from inclining, it is guaranteed that the packing belts are tightly attached to the side faces of the stacked square tubes, and the packing speed and effect are improved.

The utility model relates to a kind of special-shaped copper contact milling tool, belong to low-voltage electrical apparatus processing technical field, including bottom plate, the bottom plate is equipped with several special-shaped copper contacts located at the front end of bottom plate, the rear end of special-shaped copper contact is equipped with with bottom plate and is inserted into the positioning block of bottom plate, the rear end of bottom plate is equipped with the pressure plate for the crimping limit of special-shaped copper contact, the front end of special-shaped copper contact is equipped with with bottom plate and is inserted into the floating rod of bottom plate, the lower part of bottom plate is equipped with with floating rod and is threadedly connected self-locking nut.With compact structure, easy operation and good effect characteristics.Solve the accurate positioning, reliable clamping and prevent deformation problem of special-shaped, small, easily deformed copper parts during processing.

This invention relates to the field of mechanical component processing, specifically a high-precision mechanical component processing device, comprising a frame, on which a chuck and a tailstock are mounted for clamping a workpiece to be processed. A cutting mechanism 2 is mounted on the frame for cutting the workpiece. A stabilizing component is mounted on the frame and cooperates with the cutting mechanism 2. A cleaning mechanism is mounted on the cutting mechanism 2 for removing metal chips that fall into the cutting mechanism 2. An abutting mechanism is mounted on the cutting mechanism to support the workpiece, ensuring that the workpiece remains in contact with the mechanism during processing. When the cutting mechanism moves, it drives the cleaning mechanism to move as well. During this movement, the cleaning mechanism presses against the stabilizing component, causing impurities to be pushed downwards from the cutting mechanism and discharged into the frame.

The utility model relates to the technical field of spring pressure testing, in particular to a compression spring force measuring gauge. Comprising a detection plate which comprises a force measuring plate and a guide needle column; the guide needle column is integrally formed in the axial direction of the bottom of the force measuring plate; the tool carrier comprises a carrier seat and a placing groove; the two carrying seats are symmetrically arranged at intervals, the placing grooves are symmetrically formed in the inner side ends of the carrying seats, and a compression spring to be tested is vertically placed in a cavity defined by the placing grooves in the two sides. The device further comprises an upper fixing clamp and a lower fixing clamp, the detection plate is installed at the bottom of the upper fixing clamp, and the tool carrier is installed at the top of the lower fixing clamp. The purpose of the utility model is to provide the compression spring force measuring gauge, the compression spring can be placed in a limited manner through the tool carrier, and the problem that the test result is affected by the change of the spring in the transverse direction is avoided.

The utility model discloses a material mechanics tensile experiment device which comprises a horizontal bottom plate, the top of the horizontal bottom plate is rotatably connected with a central shaft, the top end of the central shaft is fixedly connected with a circular frame, and the left side of the surface of the circular frame is fixedly connected with an adjusting assembly which is movably installed for a tensile experiment. The adjusting assembly comprises a first extension frame fixedly connected with the circular frame, a mounting groove is formed in the surface of the first extension frame, and an extension block is movably connected to the inner surface of the first extension frame. According to the material mechanics tensile experiment device, by arranging the adjusting assembly and the positioning assembly, the adjusting assembly and the positioning assembly are both arranged outside the circular frame, the moving stroke of a related structure is directly prolonged, the deformation amount during a tensile experiment is guaranteed, meanwhile, an expansion block can move outwards, the expansibility of the device is guaranteed, and the device is convenient to use. And quick disassembly can be achieved only by pushing and pulling the clamping rod, and operation is convenient.

The utility model relates to aerospace precision machining equipment technical field, especially a kind of general fixture for turbine pump shell machining, including base, precision chuck, base plate, three groups of moving slider, three centering clamping jaws and three pressing plate;Adopt composite positioning mode, through high-precision chuck three-jaw self-centering principle, initial positioning X, Y centering;Adopt three-point plane principle, utilize the locating surface of spherical contact component, realize Z positioning;Base plate adopts thread+positioning pin hole combination;It can be quickly disassembled according to different product size conversion positioning and clamping.This utility model clamps shell class parts, adopts three-jaw self-centering clamping mode to cooperate three-point spherical positioning principle.And adopt the end face of axial compression part, can be well guaranteed part deformation, realize shell processing process clamping without deformation, ensure turbine pump shell machining after ultrahigh precision, clamping operation is convenient, improve processing efficiency, satisfy design requirement after processing.

The utility model relates to the technical field of new energy batteries, in particular to a battery pack and a vehicle, a battery box body in the battery pack is high in structural strength, can bear large pressure in the vertical direction, can reliably support an automobile seat, ensures the setting strength of the automobile seat, and ensures the assembly quality and safe driving of the whole vehicle. And the upper cover of the battery box body is high in structural strength and not easy to deform, the air tightness of the battery box body is good, and the risk of thermal runaway of the battery is reduced. The battery pack comprises a battery box body, an upper cover and a supporting assembly, a plurality of stiffening beams are arranged in the battery box body, the interior of the battery box body is divided into a plurality of battery containing spaces by the stiffening beams, and the battery containing spaces are used for arranging battery packs; the upper cover covers the battery box body; the supporting assembly is arranged on the reinforcing beam and comprises a supporting piece and a reinforcing piece, the supporting piece is connected with the reinforcing beam through the reinforcing piece and abuts against the upper cover, at least the middle of the supporting piece is of a double-layer structure, and the double-layer structure forms a cavity.

This invention belongs to the field of semiconductor positioning technology, and specifically relates to a rotatable flexible hinge and a semiconductor positioning device. The flexible hinge includes a first fixed part, a second fixed part, multiple deformable parts, and a support part. The second fixed part and the first fixed part are arranged parallel to each other along the X-direction. Under the action of the deformable parts, the flexible hinge can deform around the Z-direction, thereby driving the second fixed part to rotate. The support part supports the first and second fixed parts along the X-direction, ensuring that the distance between the first and second fixed parts remains at a preset value. This improves the stiffness of the flexible hinge in the X-direction, reducing the deformation of the flexible hinge when subjected to forces along the X-direction, and thus ensuring the positioning accuracy of the semiconductor positioning device when positioning the semiconductor.

The utility model provides a kind of inner folding flexible screen belongs to flexible screen technical field, to solve in prior art, folding flexible screen mainly through integrated high-precision hinge mechanism realizes the foldable function of equipment, to take into account portability and big screen experience, however, in actual use process, when flexible display repeatedly bending, its folding angle area is prone to local stress concentration, affect the reliability and service life of screen Problem, including the cover plate is fixed in the lower end surface of protection film;The display panel is fixed in the lower end surface of cover plate;The functional film is fixed in the lower end surface of display panel;The protection panel is fixed in the lower end surface of functional film;The support plate is fixed in the lower end surface of protection panel;By the setting of the utility model, not only realize the shaping of flexible screen folding angle, also effectively control the radian in folding process, significantly prolong the service life of flexible screen.

The application discloses a preparation method of silica nano-aerogel heat-insulating paper, which comprises the following steps: (1) covering a permeable membrane interlayer on the surface of each fiber paper; (2) preparing a silica aerogel prepolymer mixed solution; (3) compounding the silica aerogel prepolymer mixed solution with the fiber paper to obtain wet silica aerogel paper; and (4) performing solvent replacement, hydrophobic modification and drying on the wet silica aerogel paper. The aerogel paper is prepared by covering the permeable membrane interlayer on the surface of the fiber paper and applying gravity in the gel process, so that the problems of the brittleness of the aerogel itself, the low strength of the fiber material itself, the damage of the prepared ultra-thin aerogel paper (less than or equal to 0.3 mm) and the like are solved, the gel absorption amount of the fiber paper is effectively controlled, and the flatness, thickness and thickness size deviation of the aerogel paper are ensured; and the prepared silica nano-aerogel heat-insulating paper is flat in appearance and free of defects such as wrinkles, holes and cracks which affect use.

The application discloses a grinding device, a method for adjusting grinding pressure and a plate loading and unloading mechanism, relates to the technical field of semiconductors, and is used for eliminating the influence of hard particles on the back surface of a wafer on a photoetch process, thereby improving the quality of semiconductor devices. The grinding device comprises a rotating part and a grinding part arranged on one side of the rotating part; the rotating part is used for fixing the relative position of the wafer and the grinding part and for driving the wafer to rotate; the grinding part has a grinding area for grinding the back surface of the wafer; and the shortest vertical distance from the rotating shaft of the rotating part to the edge of the grinding area is smaller than the radius of the wafer. The grinding device is applied to a polishing device.

The present invention relates to the field of cable technology, and specifically discloses a pressure-resistant cable, including: a cable core, a sleeve, an airbag and a non-Newtonian fluid, an annular cavity is provided between the cable core and the sleeve, a fixed ring sleeved on the outside of the cable core is provided in the annular cavity, a plurality of support members uniformly distributed along its circumference are slidably mounted on the fixed ring, the two ends of the support members are respectively in contact with the outer wall of the cable core and the inner wall of the sleeve, and a reset module is provided between two adjacent support members. Beneficial effects of the present invention: the telescopic plate squeezes the non-Newtonian fluid, changes the direction of the impact force, pushes the support members on the adjacent two sides to slide to both sides, transmits the impact force to the non-Newtonian fluid in the adjacent chamber, spreads the impact force to the periphery, disperses and buffers the force, can play an effective force release role, and forms force dispersion and multi-stage buffering. After the impact is over, the non-Newtonian fluid can be reset, which effectively ensures the continuous pressure resistance of the cable core.

The utility model relates to the field of rubber and plastic heat preservation materials, in particular to an embossment rubber and plastic heat preservation pipe and a manufacturing device, the embossment rubber and plastic heat preservation pipe comprises a rubber and plastic pipe body, and embossment protruding edges and embossment printing are arranged on the outer wall of the rubber and plastic pipe body; the preparation device comprises an outer mold and a roller, the outer mold is arranged on an extruder head, a mold cavity is formed in the outer mold, a plurality of mold carving grooves are formed in the inner wall of the mold cavity in the circumferential direction, an inner core mold is arranged in the mold cavity, and a gap between the inner core mold and the mold cavity forms an extrusion molding channel; and an embossment gravure groove is formed in the outer wall of the roller. According to the preparation device, the embossment pattern can be formed through extrusion molding and rolling, the production efficiency can be effectively improved, and the production cost is reduced; the embossment pattern on the processed rubber and plastic thermal insulation pipe is firm, wear-resistant and high in recognizability, and the flame retardance and thermal insulation and sound insulation performance of the material cannot be influenced; and meanwhile, the rubber tube sheath ensures that the roller bears the rolling stress in the embossing process, and ensures that the material is uniformly stressed and does not deform in the pattern rolling process.

The utility model discloses a battery cell transfer tray which comprises a bottom plate and side walls, the side walls define a containing cavity on the peripheral edge of the bottom plate, a supporting frame is installed in the containing cavity, a plurality of battery cell containing cavities are formed in the supporting frame, the shape of the battery cell containing cavities is matched with that of battery cells, and the battery cells are placed in the containing cavity. A bulge is arranged at a position, corresponding to the battery cell placing cavity, on the bottom plate, so that one end of the battery cell can penetrate through the battery cell placing cavity to be in contact with the bulge on the bottom plate. The bulges are arranged, so that the bearing capacity of the battery cell placing cavities corresponding to the bottom plate can be improved, the deformation of the bottom plate of the battery cell transfer tray is reduced, the deformation of the bottom plate of the tray can be ensured to be less than or equal to 2mm when the battery cells are fully loaded, the bearing capacity is improved by 55%, and the cost is saved by more than 15%.

The application discloses an airway stent, which comprises at least one stent unit, wherein the stent unit comprises a tubular stent body and an outer membrane covering the surface of the stent body, the outer membrane extends to the inner cavity of the stent body to form an intracavity membrane separating the inner cavity into two independent spaces, a tear line is arranged on the intracavity membrane, and the outer membrane extends along the distal end of the stent body to form an extension membrane. Different combination forms of the airway stent are selected to adapt to different types of airway diseases; adjacent stent units are connected by the distal stent body and the extension membrane under pressure to ensure the flexibility and certain deformation capacity of the whole airway stent; mutual restraint of each stent unit is realized, so that the displacement of the whole airway stent is avoided, and the granulation tissue proliferation caused by the shearing friction between the airway stent and the airway is reduced.

The present invention provides a foundation pit support structure and a construction method thereof, wherein the foundation pit support structure comprises: a foundation pit, prefabricated support piles and steel supports. The prefabricated support piles are arranged around the side wall of the foundation pit, and a first bottom plate and a second bottom plate are arranged in the foundation pit, wherein the first bottom plate is located on the inner side of the prefabricated support piles, and the second bottom plate is located on the side of the first bottom plate away from the prefabricated support piles, and a plurality of anchor bars arranged in a horizontal direction are pre-buried in the second bottom plate, and the ends of the anchor bars extend to the top of the first bottom plate and are connected with anchor plates; a steel sleeve is pre-fabricated at the elevation corresponding to the second bottom plate on the prefabricated support piles, and a waist beam is arranged on the steel sleeve, and a steel plate is pre-buried on the side of the waist beam facing the anchor plate; the two ends of the steel support are respectively supported between the steel plate and the anchor plate. The foundation pit support structure is reasonably designed, economical and applicable, can effectively utilize the site space, increase the excavation space, and speed up the construction period, and can meet the requirements of ensuring the safety of the foundation pit project, controlling the deformation of the surrounding environment of the foundation pit, and facilitating the construction of the project during the excavation of the foundation pit.

The utility model discloses a reverse deformation tool for Y-shaped pipe welding, which comprises a tool main body, the tool main body is in a cross shape with thickness, the diameter of a circle formed on the periphery of the tool main body is exactly matched with the inner diameter of the end part of a Y-shaped pipe, one pair of opposite end parts of the tool main body are exactly arranged at two opposite welding seams of the Y-shaped pipe, and the other pair of opposite end parts of the tool main body are matched with the inner diameter of the end part of the Y-shaped pipe. The other pair of end parts are just arranged at the vertical 90-degree positions of the two welding seams of the Y-shaped pipe; when the Y-shaped pipe is welded, the end portion of the Y-shaped pipe is arranged on the installation base, the installation base is correspondingly connected with the end portion of the Y-shaped pipe in a sleeved mode to form a connecting base, and the tool body is connected to the installation base to replace the connecting base. The tool can stabilize the product size after the Y-shaped pipe is welded, ensures that the size does not deform, stabilizes the product structure, and plays a role in deformation prevention.

The utility model relates to the field of connectors, in particular to a columnar conductor connecting structure and a circuit board assembly. The columnar conductor connecting structure is used for connecting a columnar conductor to a circuit board and comprises an insulating shell and at least one conductive terminal, and the insulating shell is used for being installed on the circuit board and is provided with at least one embedding groove; the conductive terminals are clamped in the corresponding embedding grooves, and each conductive terminal is provided with at least one electric connection part and at least one clamping fixing part; wherein the electrical connection part is used for being electrically connected with a corresponding part of the circuit board, and the clamping and fixing part is used for clamping and fixing the columnar conductor. According to the utility model, reliable connection between the cylindrical conductor and the circuit board can be conveniently realized.

The invention discloses a forging forming method for a large shaft part with a boss and a flange with the diameter phi larger than 3000 mm, and belongs to the technical field of forging. In order to solve the problem of a deformation dead zone of a flange part in the forming of a large shaft part with a boss with the flange diameter phi being more than 3000mm, the method provided by the invention comprises the following steps: preparing a blank: preparing the blank according to the shape and the size of the shaft part, the blank comprising a flange section and a shaft section which are coaxial; the blank is placed on a rotary table through a tool, and the flange section of the blank is supported through the tool; the flange section of the blank is subjected to upsetting and full-end-face upsetting and stripping in sequence; upsetting and stripping the edge of the flange section of the blank to form a central boss; and shaft neck part forming: drawing out the shaft section to form the shaft section. According to the method, the flange part is formed through the matching of upsetting and upsetting-stripping, and a deformation dead zone of the part is avoided, so that the situation that the subsequent ultrasonic flaw detection sensitivity of a product cannot meet the technical requirement due to the fact that grains in the zone cannot be refined is avoided.

The invention relates to the technical field of tunnel construction, in particular to an expansive mud sandstone diversion tunnel steel frame difference reserved deformation construction method which comprises the steps that S1, tunnel excavation is conducted, specifically, excavation is conducted at the specified depth in a specified area; s2, accurate measurement: scanning each step by using a three-dimensional laser scanner to obtain a large amount of point cloud data, and fitting the section condition of the steel frame in each construction stage to obtain the section deformation condition; s3, analyzing the deformation amount of the steel frame, wherein the deformation amount of the steel frame is a value obtained by subtracting the accumulated deformation amount from the reserved amount of the unified prefabricated steel frame; s4, prefabricating the differentiated steel frame in a factory: performing reserved deformation treatment on each steel frame arch foot according to the calculated total reserved deformation of the steel frame, determining the reserved deformation of each section of steel frame, and drawing a steel frame processing drawing; s5, transportation, installation and supporting are conducted, specifically, the prefabricated steel frame is transported to a tunnel site, and installation and primary supporting are conducted; the method has the effect of flexibly adjusting the reserved deformation according to different geological conditions.

The utility model belongs to the field of gate valve equipment, and particularly relates to gate valve equipment convenient to maintain, which comprises a valve body, a mounting hole is arranged on the valve body, a piston on the inner wall of the valve body is connected with a valve plate, the outer wall of the valve body is detachably connected with a quick release structure, and the quick release structure comprises a protective shell seat. A protective shell seat is slidably connected to the outer wall of the valve body, a threaded rod is in threaded connection to the inner wall of the protective shell seat, a sliding rod is fixedly connected to the bottom of the threaded rod, and a supporting frame is fixedly connected to the outer wall of the protective shell seat. According to the gate valve equipment convenient to maintain, a clamping rod leaves a connecting hole by pulling a pulling plate, at the moment, a protective shell seat can slide away from a valve body, when a sliding rod leaves the valve body, a valve plate can be driven to leave the valve body, and when the valve plate leaves the valve body, due to the fact that the valve plate is not limited by the inner wall of the valve body, the valve plate and the sliding rod are automatically separated for work; and a worker can maintain the valve plate conveniently and quickly.

The invention discloses a flexible rivet pressing automation base, and relates to the technical field of rivet pressing, the flexible rivet pressing automation base comprises a sliding table base, a sliding way is connected to the sliding table base, limiting blocks are symmetrically arranged on the sliding table base on the two sides of the sliding way, the limiting blocks are connected with the sliding way, and a limiting supporting plate is connected to the upper portion of the sliding way; cylinder fixing lower supports are arranged on the limiting supporting plate in a bilateral symmetry mode, lifting cylinders are arranged on the cylinder fixing lower supports, the upper ends of the lifting cylinders are arranged on cylinder fixing upper supports, a supporting plate is arranged on the cylinder fixing upper supports, and a metal plate fixing base is arranged on the supporting plate. A metal plate positioning assembly is arranged on the metal plate fixing base. Rigid impact force in the stamping process is changed into flexible impact force through the lifting air cylinder and the spring, so that the impact force of the upper pressing plate is buffered, the flatness of a metal plate is guaranteed, automatic positioning of the metal plate is achieved, and the product quality and the production efficiency are improved.

The invention relates to the technical field of mechanical arm devices, in particular to a track embedded type orthogonal sliding table suitable for a mechanical arm, which comprises a sliding table main body, a flatness adjusting mechanism is arranged at the lower end of the sliding table main body, and the flatness adjusting mechanism comprises a main body mounting plate fixed at the lower end of the sliding table main body; an adjusting mounting plate is arranged at the lower end of the main body mounting plate, a plurality of groups of curved connecting sheets are arranged between the adjusting mounting plate and the main body mounting plate, and the plurality of groups of curved connecting sheets are uniformly distributed in the length direction of the adjusting mounting plate. The flatness adjusting mechanism is arranged, the possibility that when the sliding table body is installed, the sliding table body deforms in order to be attached to the reference installation table is effectively reduced, the flatness of a sliding rail on the sliding table body after installation is guaranteed, the possibility that a sliding block is clamped due to deformation of the sliding rail on the sliding table body is reduced, the operation smoothness of the mechanical arm is guaranteed, and the service life of the mechanical arm is prolonged. The operation effect of the manipulator is improved.

The utility model discloses a magnetic shoe easy to put on and take off. A vamp of the magnetic shoe easy to put on and take off comprises a half sole face and a heel face. The heel surface is suitable for being switched between a first state and a second state under the action of external force, and in the first state, the heel surface is close to the half sole surface and is matched with the half sole surface to form a welt of the vamp; in the second state, the shoe opening is far away from the half sole surface and opens the shoe opening; the lower side part of the heel surface extends into the shoe sole by a preset distance and is sewn and adhered to the shoe sole, and the part, connected with the shoe sole, of the heel surface extends forwards from the tail end of the heel of the shoe sole to the left side and the right side, so that the heel surface is in a forward concave shape; the magnetic attraction assembly can fix the heel face to the half sole face through magnetic attraction cooperation when the heel face is in the first state. The shoes can be conveniently put on and taken off by a user without bending down.