64results about How to "Apply pressure evenly" patented technology

The invention discloses an air bag pressure equalizing device for a space solar cell module. The air bag pressure equalizing device comprises an equipment housing, an electrical mounting plate, an elastic diaphragm and a pressure bearing plate which are arranged in sequence, the upper surface of the equipment housing is provided with a screen control integrated system, and the side surface is provided with a compressed air source interface; a gas proportional valve, an electromagnetic valve and a pressure sensor are arranged on the upper surface of the electrical mounting plate; pressing frames are arranged on the side faces of the elastic membranes, sealing strips are arranged on the upper surfaces of the pressing frames, screw holes are formed in the edges of the pressing frames, positioning bolts penetrate through the screw holes, and an air membrane cavity is formed by the electrical installation plate and the elastic membranes through the sealing strips; the edge of the bearing plate is provided with a gap adjusting stud and the positioning bolt, the gap adjusting stud is used for adjusting the gap between the bearing plate and the elastic diaphragm, and the bearing plate fixedly connects the equipment housing, the electrical mounting plate and the elastic diaphragm through the positioning bolt. The device can realize pressure linear adjustment according to different solar cell modules, and the pressure applying uniformity and the pasting flatness of the solar cell modules are greatly improved.

The invention relates to the field of anode conversion film voltage withstanding performance testing, in particular to an anode conversion film voltage withstanding performance testing device and method. Comprising a temperature control box, a pressurizing mechanism and an optical microscope, a pressure measuring platform is further arranged in the temperature control box, the pressurizing mechanism comprises a pressing disc and a pressurizing driving assembly, and the pressurizing mechanism further comprises a rubber pressing sleeve fixedly arranged on the pressing disc in a sleeving mode and an expanding assembly capable of expanding the rubber pressing sleeve. And a pressure maintaining structure for avoiding insufficient contact between the rubber pressing sleeve and the sample is arranged in the rubber pressing sleeve. The rubber pressing sleeve is driven by the expansion assembly to deform, so that the rubber pressing sleeve is synchronously expanded in multiple directions to ensure that the whole sample is uniformly pressed, and meanwhile, the pressure maintaining structure is started, so that the condition that the rubber pressing sleeve and the sample are insufficiently contacted is avoided, and the pressure uniformity is further improved.

The invention belongs to the technical field of semiconductor packaging, and particularly relates to a wafer film coating device which comprises a pressure applying assembly, an upper die base and a pressure head assembly. The pressure head assembly comprises a crimping plate used for pressing the wafer, a heating plate fixed above the crimping plate and used for heating the wafer, a force transmission plate used for bearing the pressure applied by the pressure applying assembly, and a buffer plate located between the force transmission plate and the heating plate and used for buffering the pressure applied by the force transmission plate. The four plates are coaxially fixed, the cross sectional area of the buffer plate is smaller than that of the force transmission plate and that of the heating plate, and the bottom surface of the force transmission plate comprises a force transmission plane located in the middle and an avoiding inclined plane located on the periphery of the force transmission plane to avoid the heating plate; the pressure from the pressure applying assembly is uniformly transmitted to the crimping plate through the buffer plate to uniformly apply pressure to the wafer, so that uniform film coating is realized, the thickness of the force transmission plate is gradually increased from the end part to the center through the avoidance inclined surface of the force transmission plate, the deformation of the force transmission plate is avoided, and the imprinting requirement of a workpiece is also met.

The utility model discloses assembling equipment for a stator and a motor shell. The assembling equipment comprises a workbench, a clamping device and a press-fitting mechanism, the workbench is provided with a supporting seat used for fixing a stator, the clamping device comprises at least two clamping pieces and a first driving mechanism, and the clamping pieces have a first state which surrounds the peripheral surface of the stator and is used for clamping the stator and a second state which is far away from the peripheral surface of the stator and is used for loosening the stator; the first driving mechanism is used for driving the clamping piece to move between a first state and a second state; the press-fitting mechanism at least comprises a pressing plate arranged corresponding to the supporting base and a second driving mechanism, and the second driving mechanism is used for driving the pressing plate to move relative to the supporting base. The assembling equipment for the stator and the motor shell has the advantages that the structure is simple, the assembling efficiency is high, the spliced stator is assembled into a whole without a welding process, the roundness tolerance of the inner circle and the outer circle of the spliced stator is easy to control, and the stator and the motor shell are easy to assemble and are not easy to rub.

The utility model discloses a beverage bottle package qualification inspection device, which relates to the technical field of beverage bottle inspection and comprises a water tank used for storing inspection liquid; the positioning cylinder is mounted in the water tank through a support; and the annular air bag sleeves the outer side of the beverage bottle to be detected and is arranged in the positioning cylinder, and when the annular air bag is inflated, the annular air bag expands to extrude the beverage bottle to be detected. The beverage bottle package qualification inspection equipment can be suitable for sealing detection of beverage bottles with different specifications and shapes, and meanwhile, the pressure is uniformly applied, and the detection effect is good.

The utility model relates to the technical field of edge banding machine, disclose a kind of edge banding machine for plastic bag processing, including processing platform, the top middle fixed connection of processing platform has bearing frame, the top both ends of bearing frame are fixedly connected with fixed plate, one side of the fixed plate is penetrated and rotationally connected with driving roller, one end of driving roller is fixedly connected with worm wheel, one side of the fixed plate is penetrated and rotationally connected with transmission rod, one end of transmission rod is fixedly connected with worm, and worm and worm wheel are engaged connection, the other end of transmission rod is penetrated and slidingly connected with rocker, the top of bearing frame is penetrated and slidingly connected with evenly distributed slider. In the utility model, the linkage between driving roller, worm wheel, transmission rod, worm, slider, connecting block, slide bar, connecting rod, slide plate, first gear, second gear and transport roller can meet the demand of plastic bag edge banding width fine control.

The invention discloses a distributed single-point intelligent dry oil lubricating device, and relates to the technical field of lubricating devices.The distributed single-point intelligent dry oil lubricating device comprises a shell, an oil inlet is formed in the upper end of the shell, an operation panel is arranged on the surface of the shell, a plurality of heat dissipation openings are formed in the two sides of the shell correspondingly, and a plurality of first output openings are evenly formed in the side end of the shell; a second output port is formed in the position, on the surface of the shell, of the lower side of the first output port, an oil pump is arranged in the shell, an air pump is arranged on the side edge of the oil pump, and a mixing mechanism for mixing lubricating oil and compressed air is arranged on the side face of the air pump. The lubricating work of short-distance equipment is achieved through a first output port, a second one-way valve is opened, secondary atomization is carried out through a second mixing box, lubricating oil obtained after secondary atomization lubricates long-distance equipment through a second output port, and the lubricating work can be conveniently carried out on the equipment at different distances at the same time.

The present invention discloses an adjustable pressure balloon expander for a knee joint, comprising a minimally invasive puncture balloon unit and an adjustable pressure injector unit connected to and injecting a fluid into the minimally invasive puncture balloon unit, wherein the adjustable pressure injector unit is connected to the minimally invasive puncture balloon unit via an extension tube; the minimally invasive puncture balloon unit comprises a puncture spindle tube for puncturing into the knee joint, a through hole is provided at the side wall of the end of the puncture spindle tube, and the periphery of the through hole is coated with a soft balloon for opening under the action of the injected fluid to expand the knee joint compartment. The adjustable pressure balloon expander for a knee joint provided by the present invention is simple to operate and easy to use, and is convenient for expanding the knee joint compartment through a minimally invasive incision, can accurately control the supporting force, disperse the stress of the supporting part, and can be operated within the safe range of the articular cartilage, meniscus and ligament, thereby reducing the difficulty of knee joint surgery, improving the efficiency of surgery and accelerating postoperative recovery.

The utility model discloses an auxiliary bonding device for carton processing, which comprises a base, a hydraulic cylinder is arranged at the top of the base, a support is arranged at the top of the hydraulic cylinder, a double-end telescopic rod is mounted on the support, the end of the double-end telescopic rod is connected with an inner supporting plate, a mounting seat is arranged above the inner supporting plate, and the mounting seat is connected with the double-end telescopic rod. A sliding block is clamped in a sliding groove in the bottom of the mounting base, a lead screw is in threaded connection with the side face of the sliding block, a motor is connected to the end of the lead screw, a limiting block is arranged at the end of the sliding block, and a pull rod is inserted in a movable groove in the bottom of the limiting block. The auxiliary pressure applying device for bonding is scientific and reasonable in structural design, the pressure roller can be pressed on a label on a carton to roll, pressure is applied to a bonding position carefully and uniformly, the auxiliary pressure applying device for bonding with the structural design is optimized and improved on the basis of an existing pressure applying structure, and the pressure applying and bonding effect can be effectively improved.

The utility model belongs to the technical field of hot welding device, specifically disclose a kind of inside hot welding device of hemispherical shell, including work panel, fixed with locating die on work panel, multiple hot welding holes are arranged on the hemispherical locating wall of locating die, locating die is accommodated with the hot riveting piece with vertical movement function, the top of hot riveting piece is respectively equipped with hot riveting head corresponding the position of each hot welding hole, locating die is equipped with the die with vertical movement function directly above, and the pressure column is elastically inserted in the die pressure surface that is hemispherical concave arrangement. The utility model is fixed with locating die on work panel, its hemispherical locating wall is equipped with hot welding hole, for the riveting piece welding leg guidance, locating die has the hot riveting piece that can be vertically moved, top hot riveting head accurately acts on welding leg, directly above has the die that can be vertically moved, and die pressure surface is consistent with shell, cooperate elastic pressure column, realize the high-precision positioning of the riveting piece and shell, uniform stable hot welding and reliable crimping, improve production efficiency, ensure product quality.

The utility model belongs to the technical field of traditional Chinese medicinal material processing, specifically discloses a kind of airing rack for traditional Chinese medicinal material processing, including device table, the top of device table is fixedly connected with frame, opening is set in the frame, the inside of frame is movably installed with outer frame plate by elastic support mechanism, the inside of outer frame plate is provided with airing screen, manually extruding water-removing mechanism is arranged on device table, water guide bin is arranged below device table. This airing rack for traditional Chinese medicinal material processing, in the process of airing just picked traditional Chinese medicinal material, farmer holds handle and presses down, makes pressing plate accurately extrude medicinal material under the guidance of guide plate, the pressing plate of silica gel material even pressure, can quickly squeeze out a large amount of moisture, reduce moisture residual time, cut off the conditions of microorganism growth and reproduction, reduce the possibility of bacteria, mould breeding, to better retain medicinal material quality and efficacy, compared with traditional spreading, greatly improve water removal efficiency and medicinal material safety.

The present invention relates to the technical field of prefabricated pipe pile installation, and discloses a recyclable and reusable prefabricated pipe pile installation and positioning device, comprising an upper support frame and a lower support frame with notches, the notches on the surfaces of the upper support frame and the lower support frame correspond to each other up and down, the upper support frame and the lower support frame are fixedly connected by supporting side plates, and a supporting ring assembly and a positioning sleeve assembly are arranged between the upper support frame and the lower support frame; the recyclable and reusable prefabricated pipe pile installation and positioning device, by arranging a positioning sleeve assembly composed of a plurality of U-shaped sleeves inside the positioning device, before the prefabricated pipe pile sinks, the positions of the plurality of sleeves are changed, and a guide channel can be formed in cooperation with the notches on the surfaces of the upper support frame and the lower support frame, and after the positioning portion of the sleeve is aligned with the sinking position, the prefabricated pipe pile can be quickly positioned and placed at the sinking position through the guide channel, and the prefabricated pipe pile can be further accurately positioned by rotating the sleeve.

The utility model discloses a compression roller unit for producing a reinforced flame-retardant adhesive tape, and relates to the technical field of adhesive tape production. The compression roller comprises a compression roller body, a supporting base plate and a set of pressure maintaining rollers, the compression roller body comprises a mandrel, a plurality of partition discs are evenly fixed to the peripheral side face of the mandrel at intervals in the axial direction, an air bag sleeve is fixed between every two adjacent partition discs, the outer surface of each air bag sleeve exceeds the corresponding partition disc, and the supporting base plate is arranged under the compression roller body in parallel. A supporting beam is arranged at the bottom of the supporting base plate, and mounting bases are fixed to the two ends of the supporting beam. According to the utility model, the roller surface of the compression roller is designed into an air bag sleeve type structure, and the air bag sleeve at the composite point is deformed under the support of the rib clamping layer in the composite pressure applying process, so that the air bag sleeve can be embedded into a gap of the rib clamping layer to apply pressure to the gap, and uniform pressure applying in the composite process is ensured; the connection strength between the layers of the adhesive tape is greatly improved, and the production quality of the adhesive tape is improved.

The invention discloses a heterogeneous soft die assembly, a forming device and a forming method.The heterogeneous soft die assembly comprises a forming die body, the forming die body comprises a plurality of metal dies and a rubber die matched with a cross rib R area and an intersection area, the metal dies are connected with the rubber die, and the rubber die is connected with the metal dies. And a structure matched with each independent area separated by the cross rib is formed. The forming die body composed of the metal die and the rubber die is adopted to form the heterogeneous soft die assembly used for forming the cross rib, the rubber die can deform under the action of external pressure, the metal die and the rubber die are flexibly connected, under the action of the external pressure, it can be guaranteed that pressure is evenly applied to a composite wall plate and an R area, and the forming quality of the cross rib is improved. And the forming quality of the cross rib is ensured.

This invention relates to the field of carbon fiber preforming technology, and discloses a fixture and processing method for air-blown preformed carbon fiber wheel rims. The fixture includes: a lower mold, an upper mold snapped onto the top of the lower mold, a cavity inside the lower mold, a power pump on the outside of the lower mold, a mating groove inside the lower mold, multiple flexible arc-shaped blocks inside the cavity, a flexible column fixedly mounted on the top of each flexible arc-shaped block, and a small airbag fixedly mounted on the top of each flexible column, all positioned within the cavity formed by the upper and lower molds. This invention addresses fixture reliability issues through mechanical interlocking, strict and uniform low-pressure mold locking, and an irreversible safety process of adaptive high-pressure molding. Furthermore, the intelligent following of the mold locking force with internal molding pressure and dynamic matching of internal and external pressures ensure both safety and energy efficiency. Finally, the sensing and feedback of the gridded airbags enable adaptive and uniform pressure application to complex wheel rim cross-sections.

The utility model relates to the technical field of building block polishing equipment, and discloses autoclaved aerated concrete building block polishing equipment which comprises a base, a pit is formed in the center of the base, a guide rail used for transporting building blocks is arranged in the pit, polishing assemblies are arranged on the portions, on the two sides of the guide rail, of the base, and each polishing assembly is composed of a sleeve, a movable pipe, a grinding wheel and an electromagnetic module. The polishing assembly is provided with a sleeve towards the inner side, an electromagnetic module is arranged on the inner side of the sleeve, the movable pipe is arranged in the sleeve and can move, magnets are arranged on one side of the movable pipe, the movable pipe is driven to move towards the electromagnetic module through the attraction and repulsion effect between the magnets, and a magnetic field detector is arranged on the inner wall of the sleeve. A grinding wheel driven by a motor is arranged on the other side of the movable pipe, the pushing-out distance of the grinding wheel is determined by detecting magnetic field changes, it is guaranteed that the pushing-out distances on the two sides are the same, the pressure applied to a polished part is the same, and deviation and polishing face inclination are avoided.

The utility model discloses a disposable micro-pressure micro-air-bag hemostasis patch, and belongs to the technical field of medical instruments. Comprising two sets of application bodies and an errhysis layer, the two sets of application bodies are symmetrically arranged in a crossed mode and arranged in an X shape, the overlapped portion of the application bodies is a pressure applying area, the errhysis layer is right opposite to the pressure applying area, the two ends of each set of application body are each provided with an adhesive layer, and each set of adhesive layer is covered with release paper. The utility model discloses.

The utility model belongs to the technical field of automobile manufacturing, and particularly relates to a lossless pneumatic valve element dismounting device which comprises a first placing table, supporting rods are fixedly connected to the upper side and the lower side of the first placing table in an array mode, the upper ends of the supporting rods are jointly and fixedly connected with a second placing table, and the second placing table is located above the first placing table. A servo cylinder is fixedly assembled at the top of the second placing table, an air valve switch is arranged at the bottom of the first placing table in a penetrating manner, and a plurality of blowing holes are asymmetrically distributed in the inner side of the first placing table; the valve body is fixed through the servo air cylinder and the fixing groove, pressure is evenly applied, shaking during dismounting is avoided, air pressure is injected into the valve body through the air blowing hole through the air valve switch, clamping force of the valve element is gradually relieved, prizing by tools is not needed, pressure release is controllable, a valve element sealing piece is prevented from being scraped, and deformation of a clamping notch due to prizing is prevented; and a spring mechanism in the valve core can be prevented from collapsing and hurting people due to sudden release of tension.

The utility model relates to carton production technical field, and disclose a cutting device with positioning structure for carton production has, including work table. The cutting device with positioning structure for carton production has, through setting up electric push rod, rubber antiskid pad and pressure sensor composition's positioning system, before carton cutting, electric push rod drives push rod to drop, drives positioning pressboard to move down, makes rubber antiskid pad and the paperboard to be cut closely contact, and the high friction coefficient material of rubber antiskid pad can effectively prevent paperboard to slide, and pressure sensor detects contact pressure in real time simultaneously, and signal transmission to controller, when pressure reaches the preset value, controller controls electric push rod to stop running, realizes accurate positioning and stable clamping to paperboard, and this positioning mode effectively avoids the problem that paperboard is damaged due to displacement or excessive stress because of not firm fixed when traditional cutting, guarantees the accuracy of cutting size and the neatness of kerf, improves the production quality of carton.

The application provides an electric core lower surface protection film rolling mechanism, which comprises a rotating disc film pasting platform, a first protection film pressure rolling assembly, a first XYZ driving module and a second carrying manipulator. The rotating disc film pasting platform integrates an electric core adsorption platform, a protection film adsorption platform and a first lifting driving module for driving the electric core adsorption platform to lift. When rolling, the second carrying manipulator adsorbs and fixes the electric core, the first lifting driving module drives the electric core adsorption platform to lower to avoid, and the first XYZ driving module drives the first protection film pressure rolling assembly to execute rolling on the lower surface of the electric core in the free space. Through dynamic lowering of the electric core adsorption platform, the space interference between the bearing structure and the pressure rolling assembly is completely eliminated, the pressure rolling assembly completely covers the lower surface of the electric core (including the edge area), and the rolling blind area is avoided.

The utility model discloses a kind of mobile phone glass cover plate processing laminating device, belong to mobile phone parts production technical field, comprising: machine body;Supporting plate, the lower surface of the supporting plate is fixedly connected with the upper surface of machine body;Laminating mechanism, the laminating mechanism is set on the side wall of supporting plate;Through the cooperation between above each device, by being provided with laminating mechanism, using flexible air bag carries out laminating and adhering processing, replace traditional "line contact" roll-in mode into "face contact" progressive pressurization mode, improve the laminating effect of laminating device to mobile phone glass cover plate, flexible air bag itself can be deformed simultaneously, therefore curved surface shape mobile phone glass cover plate can also be perfectly adhered to entire curved surface, realize the edge of curved surface is evenly applied pressure, effectively avoid the wrinkle situation when curved surface shape mobile phone glass cover plate laminating, not only improve the overall laminating effect of laminating device, also improve the application range of laminating device.

The invention discloses a laminating machine fine adjustment device which comprises a machine table, a servo motor is fixedly installed at the upper end of the machine table, an output shaft of the servo motor is fixedly connected with a material taking arm, two supports are fixedly connected to the upper end of the machine table, and a feeding assembly for conveying base plate materials is arranged between the two supports. The feeding assembly comprises two conveying rollers and a conveying belt, the conveying rollers are rotationally connected between the two supports, the two conveying rollers are connected together through the conveying belt, the conveying rollers can drive the conveying belt to operate and convey base plate materials, and an adsorption assembly and a flattening assembly are installed at the lower end of the material taking arm. By arranging the hollow material pressing barrel, the hollow roller can roll above the base plate by pushing the material pressing table to move forwards, in this way, rolling and attaching can be achieved by replacing a downward pressing and attaching mode, it is guaranteed that pressure can be evenly and consistently applied to all positions of the base plate, and therefore a touch screen film is attached to the base plate without generating gaps, and bubbles are avoided.

The present invention provides a static load testing machine and static load testing method for track prefabricated panels, belonging to the technical field of static load testing of track prefabricated panels. The static load testing machine for track prefabricated panels comprises two running tracks arranged in parallel on a working surface, a bottom frame arranged between the running tracks, a load-bearing longitudinal beam and a load-bearing cross beam for supporting the prefabricated panels, a mobile loading frame arranged on the running tracks, and a loading mechanism arranged on the mobile loading frame; the load-bearing longitudinal beam is fixed on the longitudinal center line of the bottom frame, and jacking mechanisms are symmetrically arranged on both sides of the load-bearing longitudinal beam; the load-bearing cross beam is erected on the upper surface of the bottom frame cross beam or flipped and recovered to the bottom of the load-bearing longitudinal beam through a flipping mechanism; the mobile loading frame is detachably fixed on the top of the bottom frame through a connecting mechanism. The present invention can ensure that each loading test point is evenly compressed, and longitudinal static load crack resistance test and transverse static load crack resistance test are carried out without changing the placement of the prefabricated panels.

The invention relates to a rain sewage square cover plate bearing test system which comprises a supporting unit used for supporting a cover plate, the supporting unit comprises a first steel base plate arranged at the bottom end of the cover plate and a second steel base plate arranged at the top end of the cover plate, the long axis direction of the cover plate is defined as the first direction, and the breadth direction of the cover plate is defined as the second direction; the auxiliary supporting unit is arranged beside the supporting unit and comprises a track beam, the track beam and the cover plate are distributed in parallel in the first direction, and the track beam extends in the second direction; and the pressurizing unit comprises a pressurizing box, the two sides of the pressurizing box are supported on the second steel base plate and the track beam respectively, and a balancing weight is placed in the pressurizing box. According to the bearing test system, the supporting unit, the auxiliary supporting unit and the pressurizing unit are matched with one another to carry out a bearing test on the cover plate, the test precision is high, and the phenomenon that the balancing weight falls off is effectively avoided.

The present invention discloses a rotary press machine, which relates to the technical field of press machines, and comprises a first bracket, a linear guide mechanism is relatively fixedly arranged above the first bracket, a plurality of conveying devices are evenly arranged above the linear guide mechanism, a second bracket is fixedly arranged outside the linear guide mechanism and located above the first bracket, a crossbeam is fixedly arranged on the front side of the second bracket, a laser positioning sensor is fixedly arranged in the middle of the rear end face of the crossbeam, a first electric push rod is fixedly arranged at the center of the lower end face of the second bracket, a first pressure sensor is fixedly arranged at the end of the output shaft of the first electric push rod, and a first movable seat is arranged below the first pressure sensor. The present invention gradually feeds the conveying device to the bottom of the second bracket through the linear guide mechanism, the laser positioning sensor positions the conveying device, and the first pressure sensor monitors the force applied by the first electric push rod, so as to facilitate the subsequent press-fitting of the press-fitted parts in the conveying device.

The utility model discloses a spring flattening machine, and the device aims at solving the difficulty of meeting the diversified spring flattening demand in the prior art, and when facing some spring flattening work needing different force or speed control, it is not up to the task, and cannot be flexibly adjusted, the device comprises a base, and the upper end face center of the base is provided with an installation frame on one side, a supporting frame is arranged on the upper end face of the base on the side of the installation frame, a pneumatic telescopic rod is arranged at the center of the upper end face of the installation frame, the output end of the pneumatic telescopic rod penetrates through the side wall of the supporting frame and reaches the other side of the supporting frame, and the end part is fixedly connected with a flattening adjusting structure, and a stable frame is arranged at the rear side of the upper end face of the base, the utility model can meet the spring flattening scene demand, at the same time, realizes accurate and uniform pressure, and is convenient to disassemble, assemble and adjust, improves the universality and maintainability, adapts to different production requirements, plays the positioning and fine adjustment role, and enhances the equipment adaptability.

The utility model relates to a positioning fixture for a PVD (Physical Vapor Deposition) coated product, the fixture comprises a bottom plate, a moving block, a limiting plate and an adjusting part, and the limiting plate is detachably connected to the bottom plate; a sliding cavity and at least one product placing groove are formed in the limiting plate, the sliding cavity communicates with the product placing groove, and the moving block is placed in the sliding cavity; at least one stop block is arranged at the position, matched with the product containing groove, of the first end of the moving block, and the sliding cavity communicates with at least one first adjusting counter bore formed in the limiting plate. The adjusting part is inserted into the first adjusting counter bore so that the adjusting part can extrude the moving block in the direction of the product containing groove. The device is easy to operate, does not easily break products, and is applied to the field of precise instrument manufacturing.

The utility model relates to oil guide cover press -mounting technical field, especially a gearbox end cover oil guide cover press -mounting machine, including main part, the lower half of main part is base, the upper half of main part is the support frame of inverting L shape, and support frame installs in the back of base top, bottom and support frame horizontal straight department between are provided with the lifting plate, all are provided with the through -hole that passes through up and down in four corners of lifting plate, all are inserted with press -mounting rod in four through -holes, install locking mechanism in lifting plate, and locking mechanism can with four press -mounting rod position limiting and engage, cover body is located between base and lifting plate, cover body top is uneven, the utility model discloses a press -mounting rod is set up in four corners of lifting plate, makes four press -mounting rod bottom end respectively and abuts cover body top four corners, realizes the synchronous, even pressure of cover body, need not to replace special press -mounting part to satisfy the press -mounting demand of multiple specifications oil guide cover, the versatility and adaptability of equipment are greatly promoted, reduce production change cost.

The utility model belongs to the technical field of waterproof coiled materials, and provides a self-adhesion waterproof coiled material which comprises a base and a wind-up roller, the wind-up roller is installed at the top of the base, a wind-up mechanism is arranged at the top of the base, the wind-up mechanism comprises a protection piece, the protection piece comprises a sleeve column, one end of the sleeve column is hinged to the top of the base, and the other end of the sleeve column is hinged to the wind-up roller. A traction shaft is movably connected to the inner side of the sleeve column, a spring is arranged on the outer side of the traction shaft and in the sleeve column, a deflection shaft is connected to the end, away from the sleeve column, of the traction shaft, one end of the deflection shaft is hinged to the top of the base, and a first pressing barrel is fixedly installed at the other end of the deflection shaft. According to the utility model, the size of an unwound coiled material main body is adapted through angle deflection of the sleeve column hinged to the top of the base, and the spring in the sleeve column recovers to stretch and pushes the deflection shaft connected with the traction shaft to deflect towards one side close to the base when the limitation of a packaging film is lacked, so that the unwound coiled material is limited, and the coiled material is not easy to damage and deform.