26results about How to "Uniform compression" patented technology

The utility model provides a flexible sealing element and wire connection sealing mechanism, which comprises a sealing sleeve body, the head end of the sealing sleeve body is used for being fixedly connected with a wire, the tail end of the sealing sleeve body is used for being fixedly connected with a wire inlet port of a connector, the sealing sleeve body is axially provided with a cavity I for the wire to pass through, and the cavity I is provided with a cavity II for the wire to pass through. A sealing rib I is formed at the head end of the cavity I, the sealing rib I is arranged in a port of the cavity I in a circumferential surrounding mode, and the sealing rib I is used for being connected to a wire in a pressing mode. A sealing rib II is formed at the tail end of the cavity I, and the sealing rib II is arranged in the port of the cavity I in a circumferential surrounding mode. And the sealing rib II is used for being crimped at the wire inlet port of the connector. According to the device, the flexible sealing structure is matched with the row or rod type conducting wire, when the row or rod type conducting wire is eccentric due to processing, the flexible sealing piece can be adjusted in a self-adaptive mode, uniform compression of the rubber sealing rib is guaranteed, and finally the sealing problem of the connecting position of the row or rod type product is effectively guaranteed.

The invention relates to the technical field of packaging bag packaging and conveying, and discloses a conveying mechanism and a processing technology for producing medical packaging bags, comprising a feeding mechanism and a sealing bag, wherein a plurality of paper packaging bags are arranged inside the sealing bag, a supporting mechanism for placing the sealing bag is arranged at the center of the upper end of the feeding mechanism, a sealing unit for compressing and sealing the sealing bag containing the plurality of paper packaging bags is arranged at the upper end of the supporting mechanism, a lifting and translation mechanism for driving the supporting mechanism to move and the sealing unit to rise and fall is arranged between the supporting mechanism and the feeding mechanism, the sealing unit comprises a sealing cover, and the sealing unit on the supporting mechanism, in cooperation with the use of a pressing mechanism, can uniformly and effectively compress the sealing bag filled with paper packaging bags, reduce the volume, and facilitate subsequent storage and transportation, and at the same time, through the operation of the exhaust mechanism, the excess air in the bag is quickly discharged, the sealing effect is ensured, and the volume of the sealing bag and the plurality of paper packaging bags inside is greatly reduced.

The utility model provides a kind of cutting station sponge support structure on sponge ring cutting machine, it is related to sponge processing technical field, including support, two rotating connections in support pivot, a annular chain belt and two annular chains, the both ends of pivot are respectively fixedly provided with sprocket matched with chain, chain includes several chain links, chain belt includes the chain plate corresponding to chain link one to one, further include several with chain link one to one's pivot, pivot is simultaneously connected adjacent chain link and adjacent chain plate, several rollers are rotatably connected on chain, support has support step matched with roller on it.The utility model has the advantages of stable sponge support, high cutting precision.

The present invention discloses a double-leaf protective airtight partition door suitable for subway sections and entrance and exit lines, and suitable for partitions of urban underground rail transit civil air defense projects with one line in a tunnel, and is composed of a door frame, door leaves, movable door sills, track sealing devices, busbar sealing devices, safety devices, locks, hinges, etc. The door leaves are welded structures of steel beams and plates, and the longitudinal steel sections are used as the main load-bearing beams, and the force is evenly applied; the movable door sill is connected to the lower door frame by bolts and bearings, and the force on the door leaves can be transmitted to the door frame by bolts and bearings; ladder-shaped sealing strips are installed on the upper, lower, left, and right sides of the partition door frame, and the door leaves are in close contact with the door frame. The hinges adopt a double-axis hinge structure, which is suitable for single-hole single-line double-leaf protective airtight partition doors, and solves the technical problem of arranging two partition partition doors in a limited space.

The invention discloses a breathable core brick locking device, comprising a workbench, wherein the workbench is provided with a longitudinal edge pressing device for longitudinally pressing the core brick workpiece, a horizontal edge pressing device for horizontally pressing the core brick workpiece, and a power device, wherein the longitudinal edge pressing device is located above the core brick workpiece, and the horizontal edge pressing device is located on one side of the core brick workpiece. The beneficial effects of the invention are as follows: by setting a first pressing wheel and a second pressing wheel, under the action of the power device, the edge of the core brick workpiece can be automatically pressed down while the core brick workpiece is rotated, by setting a sliding plate, under the action of a hand wheel, not only can the first pressing wheel and the second pressing wheel be adjusted in compression amount forward and backward, but also can be adjusted in compression amount up and down, so as to effectively control the edge force and compression amount of the core brick workpiece to be folded, and by setting a pressure head, under the action of a downward pressure cylinder, the folded core brick workpiece can be pressed down in the vertical direction, so as to achieve the purpose of automatic and uniform full circumference compression.

The application discloses a high-sealing magnetic transmission stirrer and belongs to the technical field of stirrers. Mainly including a tank body, the upper end of the tank body is provided with a tank cover, a sealing ring is arranged between the tank body and the tank cover, the inside of the tank body and the tank cover is provided with a stirring assembly, the stirring assembly comprises a mounting frame mounted in the inside of the tank cover, a stirring shaft is mounted in the middle part of the mounting frame, stirring blades are mounted on the outer wall of the stirring shaft, and an installation assembly is mounted on the tank body and is used for connecting the tank body and the tank cover. The high-sealing magnetic transmission stirrer can realize the alignment of the tank cover and the tank body quickly through the clamping cooperation between the positioning frame of the guide part and the positioning plate, the even pressure on the edge of the tank cover can be converted into the even pressure on the arc-shaped plate through the L-shaped driving plate pushed by the cylinder in the installation assembly, the pressure can be evenly transmitted to the whole tank cover through the arc-shaped plate adhering to the edge of the tank cover, and the sealing ring can be evenly compressed along the adhering surface of the tank cover and the tank body.

The utility model discloses an IGBT (Insulated Gate Bipolar Translator) module, which comprises radiating fins, a plurality of IGBT main bodies are uniformly arranged on the radiating fins, protective tubes are sleeved on the outer sides of pins of the IGBT main bodies, an insulating plate is arranged above the radiating fins, and the top ends of the pins of the IGBT main bodies penetrate through the insulating plate; the structure is simple, the installation is convenient, and the functions of uniformly compressing the silicone tube and sealing the IGBT pin are perfectly realized; and the device considers the product universality, reduces the cost of the jig, is easier to manage, is elaborately arranged and designed on the premise of ensuring the excellent functions of the device, has the excellent performances of structural novelty, usability, reliability, universality and the like, and is a safe, reliable, novel and practical novel device.

The utility model provides a kind of cushion rubber press bonding device and the cushion rubber feeding equipment with it, cushion rubber press bonding device includes: feed frame and press bonding component, feed frame extends along the conveying direction of cushion rubber, and feed frame is used to carry and guide cushion rubber;Press bonding component is located at the output end of feed frame, and press bonding component is rotatably arranged around the transverse direction of feed frame, to make the press bonding of press bonding component away from or close to forming drum;Wherein, the press bonding is at least two, each press bonding is spaced apart along the width of cushion rubber setting.The cushion rubber press bonding device of the utility model can effectively solve the uneven pressure distribution of the cushion rubber press roller using whole long rubber roller in the prior art, which leads to the technical problem that the inner and outer edges of the cushion rubber and the tire body are not tightly fitted.

This utility model relates to the field of finned strip forming technology, and in particular to a rapid material feeding spring-loaded mechanism. It includes a frame, a finned strip channel base plate, finned strip channel side plates, a rotating base, and multiple spring-loaded assemblies. The finned strip channel base plate is fixedly connected to the frame. The finned strip channel side plates and the rotating base are both mounted on the finned strip channel base plate, forming a finned strip channel between the two side plates. Multiple spring-loaded assemblies are fixedly mounted on the rotating base. Each spring-loaded assembly includes a spring block, a spring, and a micrometer, with one end of the spring connected to the spring block and the other end connected to the rotating base. This utility model achieves precise control of finned strip resistance through multiple independently adjustable spring-loaded assemblies. Combined with the rotating base and lifting structure, it realizes uniform compression of the ultra-wide finned strip peak spacing and rapid handling of material feeding blockage, solving the technical problems of uneven peak spacing compression and low operating efficiency in the prior art.

The utility model discloses a positioning device for assembling a vehicle door. The positioning device comprises a base, a powerful magnet, a positioning block, a spring and two wedge-shaped side pressing blocks, the powerful magnet is fixed at the bottom of the base; the compression screw penetrates through the unthreaded hole in the center of the positioning block from top to bottom and is screwed into the threaded hole in the center of the base; the two wedge-shaped side pressing blocks are connected through the spring and arranged on the left side and the right side of the positioning block and the left side and the right side of the base. A spring is connected between the two wedge-shaped side pressing blocks, and the inclined faces of the two wedge-shaped side pressing blocks are tightly attached to the locating block and the inclined faces on the two sides of the base under the action of elastic tension. The tool has the advantages of being rapid in assembly, accurate in positioning, stable, reliable, easy and convenient to operate and the like, the one-time assembly qualification rate of the vehicle door can be improved, and the phenomenon of later repeated adjustment is avoided. In addition, due to the fact that the cutting edge can be accurately pressed at the center of the sealing strip and the circumferential compression amount of the sealing rubber strip is uniform and consistent, the sealing performance of the vehicle door is greatly improved.

An outdoor antenna box relates to the technical field of antenna boxes and comprises an antenna box body, the antenna box body comprises a bottom shell, a surface shell buckled on the bottom shell and a sealing ring arranged between the bottom shell and the surface shell, and the bottom shell is provided with a sealing groove for accommodating the sealing ring; the bottom shell is further provided with a plurality of positioning blocks, and the sealing ring is correspondingly provided with positioning rings used for being matched with the positioning blocks in a clamped mode. By the adoption of the technical scheme, the positioning block arranged on the bottom shell is matched with the positioning ring arranged on the sealing ring, and meanwhile the positioning block is matched with the sealing groove formed in the bottom shell and used for containing the sealing ring, so that positioning and fixing of the sealing ring are achieved, the sealing ring is not prone to displacement or distortion in the installation, transportation and use processes, uniform compression of the sealing ring is guaranteed, and the sealing effect is improved. Therefore, the sealing performance is improved, the structure is simple, the production cost is low, the installation efficiency of the sealing ring is improved, and market popularization is facilitated.

The invention relates to a container for metering a sterile liquid, comprising a substantially rotationally symmetrical reservoir body (12) made of plastic, which reservoir body has a longitudinal axis (O) and a radial direction (R) running perpendicular to the longitudinal axis, the reservoir body (12) comprises: a substantially cylindrical or conical peripheral wall section (14) having a first wall thickness (S1); a metering section (16); a bottom section (18); and a container neck section (20), characterized in that the metering section (16) is arranged between the peripheral wall section (14) and the bottom section (18) and is designed as a bellows having at least one radially inward fold with hinge points (36, 38, 40); wherein the wall thickness (S2) of the metering section (16) is reduced by 25% to 60% relative to the first wall thickness S1 at least in the region of the hinge point (36, 38, 40).

The invention discloses a full-automatic double-end heat pipe shrinking machine for motor shaft machining, which comprises a machining table, four supporting rods are fixedly connected to the machining table, a feeding frame is fixed to the upper ends of the four supporting rods, and a notch is formed in the feeding frame; a pipe contracting assembly; the pipe shrinking assembly comprises two pipe shrinking die heads installed on the machining table. A feeding assembly; the feeding assembly can convey the heat pipes in the feeding frame to the position between the two pipe shrinking die heads one by one and can drive the two pipe shrinking die heads to move relatively to shrink the two ends of the heat pipes, the feeding assembly can unload the heat pipes subjected to pipe shrinking in the reset process, and four supporting legs are fixedly connected to the bottom of the machining table. The four supporting legs are distributed in a rectangular shape, and rubber pads are fixed to the bottoms of the supporting legs. The device has the remarkable beneficial effects in the aspects of automatic production, precise pipe shrinkage control, an intelligent discharging mechanism, stable and reliable operation and the like, and an efficient and reliable solution is provided for the motor shaft machining industry.

The utility model relates to a tea leaf flattening forming machine which comprises a base, supporting columns are fixedly connected to the four corners of the top of the base, a cover plate is connected to the tops of the supporting columns, a hydraulic machine is fixedly connected to the top of the cover plate, and an output shaft of the hydraulic machine penetrates through the cover plate and is connected with a compression mechanism. A pressing table is fixedly connected to the position, under the compressing mechanism, of the top of the base. The utility model relates to the technical field of tea processing equipment. According to the tea leaf flattening and forming machine, through the arranged compression mechanism, high-frequency vibration can be applied to a pressed tea cake when tea leaves are pressed, so that the tea cake is compressed more uniformly, secondary processing of the tea cake is avoided, and the pressing efficiency of the tea cake is effectively improved.

This invention discloses a sodium-ion battery rolling device, including a rolling assembly comprising a pressure roller and a side frame. The rolling assembly further includes a driven roller and a steel strip. The steel strip is sleeved on the outside of the pressure roller and the driven roller. The contact portion between the steel strip and the slurry coating forms a compression section. The contact surface between the compression section and the slurry coating is sloped, with the slope facing the pressure roller. The driven roller has reciprocating components on both end faces that drive the compression section to reciprocate along the contact surface with the slurry coating, with the reciprocating movement direction perpendicular to the slurry coating transport direction. This invention increases the compression path of the slurry coating and reduces the compression amount by using the compression section, ensuring the internal material uniformity of the slurry coating after rolling. Furthermore, the reciprocating compression section can smooth out minor protrusions on the surface of the slurry coating, ensuring the final uniformity of the slurry coating thickness and effectively guaranteeing the final product quality.

The invention relates to the technical field of PEM hydrogen production membranes, in particular to a PEM hydrogen production membrane electrode assembly and a preparation method thereof. The method comprises the following steps: 1, cutting a base membrane according to the size of a proton membrane to obtain a cathode gasket and an anode gasket for later use; 2, stacking a cathode gasket, a proton membrane and an anode gasket, and carrying out hot pressing at 100-150 DEG C for 30-120 seconds to obtain a membrane electrode; 3, filling UV glue into the membrane electrode, and curing to form a glue layer; tightly connecting the anode titanium porous transmission layer and the cathode titanium porous transmission layer with the proton membrane on the two sides of the proton membrane respectively to assemble the electrolytic cell; therefore, the PEM hydrogen production membrane electrode assembly is obtained.

This utility model relates to a tooling for shaping the groove of a battery steel shell, comprising: an upper mold fixed to the movable end of a stamping equipment; and a lower mold consisting of two semi-circular mold bodies that are fitted together, each semi-circular mold body having a stepped shaping part at its center, the stepped shaping part including a continuously connected upper flat section and a lower arc-shaped section; the lower mold is fixed to the fixed end of the stamping equipment and is fitted outside the groove position of the steel shell. The stepped shaping parts of the two semi-circular mold bodies fit together to form a mold cavity, through which the groove of the steel shell is formed into a composite structure of an upper flat groove and a lower arc-shaped groove. This utility model, through the design of the stepped shaping part of the lower mold, enables the groove of the steel shell to form a composite structure of an upper flat groove and a lower arc-shaped groove. This structure achieves surface contact with the cap during sealing, significantly increasing the support area, effectively dispersing the sealing pressure, effectively reducing leakage at the sealing ring, and ensuring reliable sealing.

The utility model discloses a garden waste packing machine which comprises a main body assembly, a box body, a feed hopper, a control box, an oil cylinder and a baffle, the feed hopper is fixed at the top of the box body, the control box is arranged at the top of the box body, the oil cylinder is arranged in the box body, and the baffle is located on one side of the box body; the compression assembly is arranged in the box body and comprises a supporting plate, a compression piece, a locking piece and a pushing piece, the supporting plate is fixed to the output end of the oil cylinder, the compression piece is located on one side of the supporting plate, and the locking piece is arranged in the compression piece; the compression assembly is provided with a plurality of force bearing points, when one force bearing point makes contact with hard branches and cannot move continuously, other force bearing points can move continuously, soft leaves are compressed, and therefore garden waste can be compressed evenly, and the packing quality can be improved.

The utility model relates to the technical field of corrugated paper rolling, and discloses a corrugated paper rolling machine which comprises a U-shaped shell, a hydraulic telescopic rod is arranged at the top of the U-shaped shell, the output end of the hydraulic telescopic rod penetrates through the U-shaped shell, the output end of the hydraulic telescopic rod is fixedly connected with a mounting plate, the bottom of the mounting plate is fixedly connected with a rolling plate, and the rolling plate is fixedly connected with a motor. Sliding grooves are formed in the two ends of the mounting plate, sliding blocks are arranged in the sliding grooves and slidably connected with the mounting plate, L-shaped plates are fixedly connected to the tops of the sliding blocks, circular grooves are formed in the bottoms of the L-shaped plates, inserting rods are arranged in the circular grooves in the bottoms of the L-shaped plates and slidably connected with the L-shaped plates, and the bottoms of the two inserting rods are fixedly connected with the same cleaning plate. And bristles are arranged at the top of the cleaning plate. According to the corrugated board rolling device, the rolling plate can be cleaned conveniently, the rolling quality can be guaranteed, corrugated boards can be compressed more evenly in the rolling process, forming is more regular, and the quality of the rolled corrugated boards can be guaranteed.

The utility model discloses a multi-way valve which comprises a valve cover, a valve body, a valve element assembly, a sealing gasket, a limiting cover and a pressing piece. The valve element assembly is located in an inner cavity formed by the valve body and the valve deck in a matched mode. The sealing gasket is located between the valve element assembly and the valve body. The limiting cover is located between the valve element assembly and the valve deck, the center column of the valve element assembly is sleeved with the limiting cover through a first through hole, the limiting cover is connected with the valve element assembly or the valve deck through a plurality of first limiting parts, and the pressing piece is contained in an annular limiting groove. The pressing piece can generate force opposite to the stress direction of the pressing piece so that the sealing gasket can be attached to the valve element assembly and the valve body. The sealing performance among the valve element assembly, the sealing gasket and the inner bottom face of the valve body can be guaranteed under the conditions that the magnitude of interference is not increased and the size precision of materials is not further compressed, and the problem of leakage in the multi-way valve is solved.

The invention relates to a wheelset bearing for a rail vehicle, and the wheelset bearing comprises a rolling bearing assembly (7) having three bearing rings (4, 8, 9), which are specifically two inner rings (4, 8) arranged to be connected to a wheelset shaft (2) and an outer ring (9) arranged to be connected to a housing (6). The rolling bearing assembly (7) is designed as a four-row angular contact ball bearing in an O-type arrangement structure, wherein two rolling element rows (16, 17) are arranged to contact a first inner ring (4) to absorb axial forces in a first direction, and two rolling element rows (18, 19) are arranged to contact a second inner ring (8) to absorb forces in an opposite axial direction. The invention also relates to a rail vehicle.

The application discloses a composite biaxial compression test device and method. The device comprises an X-direction compression part and a Y-direction compression part. The X-direction compression part comprises a first upper compression plate, a first lower compression plate, a first anti-side-bending cover plate and a first fastening bolt. The first anti-side-bending cover plate is used to compress the first upper and lower compression plates and has a gap with the first upper compression plate. The X-direction compression part adopts a staggered asymmetric structure to cover the whole compression working section of the test piece in the X direction. The Y-direction compression part comprises a second upper compression plate, a second lower compression plate, a second anti-side-bending cover plate, a third anti-side-bending cover plate and a second fastening bolt. The second and third anti-side-bending cover plates are used to compress the first upper and lower compression plates of the X-direction compression part respectively to provide out-of-plane support for the test piece. The application solves the problem of easy buckling and insufficient constraint of the working section of the test sample in the existing biaxial compression test, realizes uniform introduction and reliable anti-instability of the biaxial compression load, and improves the test success rate and data accuracy.

This utility model relates to the technical field of aerogel insulation board, and discloses a binding type aerogel insulation board, including an insulation layer, a reinforcing mesh, and several fasteners. The insulation layer includes aerogel felt, and the fasteners include a fixing seat and a cable tie. The fixing seat is located at one end of the aerogel felt, and one end of the cable tie is located at the end of the fixing seat near the aerogel felt. The fixing seat has a locking hole with locking teeth inside. The outer wall of the cable tie away from the fixing seat has several locking teeth. The end of the cable tie with locking teeth can penetrate the aerogel felt and engage with the locking teeth in the locking hole. The reinforcing mesh is wrapped around the insulation layer. The outer wall of the reinforcing mesh is coated with cement mortar or organic adhesive to form a wrapping layer, or the outer wall of the reinforcing mesh is wrapped with an air-barrier membrane to form a wrapping layer. Wrapping the wrapping layer around the outer wall of the reinforcing mesh can bind the aerogel felt as a whole, preventing the aerogel felt from shedding powder or breaking due to loosening.

This utility model relates to the field of metal powder transfer technology and discloses a reciprocating sealing door mechanism for metal powder transfer, comprising: an L-shaped bracket and a linear motor. The linear motor has L-shaped brackets on both sides. The horizontal portion of the L-shaped bracket has a horizontal groove, and the vertical portion has an inclined groove. A slider is slidably mounted on the top of the linear motor, and a connecting plate is rotatably mounted on the top of the slider. A door panel is slidably mounted between the L-shaped brackets. The door panel has rotating shafts at both its upper and lower ends, and rollers at both ends of the rotating shafts. This utility model ensures uniform compression of the sealing rubber gasket when the door panel is closed through precise guidance from the inclined and horizontal grooves. Reinforcing ribs enhance the rigidity of the door panel. After long-term use, the wear rate of the sealing surface is reduced, and the leakage rate is stably controlled within a safe range. This achieves efficient, safe, and reliable operation of the metal powder transfer sealing door.

The utility model relates to a split type connector and data chain equipment, belongs to the technical field of aerospace, and solves the problem of poor waterproof performance of a joint between a fan cable and a radiator. The high-voltage switch comprises a pin unit, a housing unit and a sealing rubber pad. The pin unit penetrates through the shell unit; the pin unit comprises a first pin and a second pin; the shell unit comprises a first shell and a second shell, a sealing rubber mat is arranged between the first shell and the second shell, and a protruding part is arranged on the side, close to the sealing rubber mat, of the first shell or the second shell. According to the utility model, the waterproof performance of the joint between the fan cable and the radiator is improved.