98results about How to "Has a positioning effect" patented technology

The invention discloses an object storage device and a refrigerator with the object storage device. The object storage device comprises a main body, a regulating assembly, a first partition rack and asecond partition rack, wherein the first partition rack is connected to the main body; the second partition rack is rotationally connected to the first partition rack around a vertical shaft throughthe regulating assembly; the regulating assembly comprises a first component, a second component and a locating mechanism; the first component is oppositely and fixedly connected with the first partition rack in the circumferential direction of the vertical shaft; the second component is oppositely and fixedly connected with the second partition rack in the circumferential direction of the vertical shaft, and the second component is rotationally connected to the first component around the vertical shaft; the locating mechanism comprises an adapting surface formed on the second component and anelastic telescopic component telescopically arranged on the first component in the horizontal direction, and the adapting surface is provided with at least two locating grooves which are distributedaround the vertical shaft at an interval; and when the first component and the second component oppositely rotate around the vertical shaft, the elastic telescopic component can be pressed against bythe adapting surface, deforms and is clamped in the locating grooves under the action of the elastic restoring force of the elastic telescopic component.

The invention discloses UV curing liquid optical cement. The UV curing liquid optical cement is prepared from, by weight, 20-70 parts of active oligomer, 10-50 parts of tackifying resin, 10-40 parts of reactive diluent, 0.3-5 parts of photoinitiator and 1-5 parts of additive. The tackifying resin has a unique molecular structural formula. A preparation method of the UV curing liquid optical cement comprises the steps that the active oligomer, the tackifying resin, the reactive diluent, the photoinitiator and the additive are placed in a planetary vacuum mixer and are stirred and mixed to be uniform, and a finished product is obtained through filtering and defoaming. The problem of cement overflow that common liquid optical cement cannot overcome and the problem that the common liquid optical cement is not suitable for the special lamination process of UV precuring, lamination and UV curing for cement overflow prevention are solved, a cement film formed by the UV curing liquid optical cement has moderate bonding strength and a good locating effect, the bonding strength is greatly improved after UV curing is carried out again, the surface of the cement film is very smooth, a certain edge shape is kept, and no edge collapse phenomenon occurs; the UV curing liquid optical cement is suitable for automatic equipment coating and especially suitable for full lamination of modules.

The invention discloses UV-moisture dual-curing liquid optical cement. The UV-moisture dual-curing liquid optical cement is prepared from, by weight, 45-80 parts of UV moisture curing matrix resin, 10-50 parts of tackifying resin, 10-35 parts of reactive diluents, 0.3-5 parts of photoinitiator and 1-5 parts of additive. The matrix resin and the tackifying resin have unique molecular structures. The invention further provides a preparation method of the UV-moisture dual-curing liquid optical cement. The preparation method comprises the following steps that the matrix resin and the tackfying resin are prepared; then all the materials are placed in a planetary vacuum mixer and are stirred and mixed to be uniform, and the finished product is obtained through filtering and defoaming. The problem of cement overflow that common liquid optical cement cannot overcome and the problem that the common liquid optical cement is not suitable for the special lamination process of UV precuring, lamination and moisture curing for cement overflow prevention are solved, a cement film formed by the UV-moisture dual-curing liquid optical cement after primary UV curing has moderate bonding strength and a good locating effect, the bonding strength is greatly improved after moisture curing, the surface of the cement film is very smooth, a certain edge shape is kept, no edge collapse phenomenon occurs, and the UV-moisture dual-curing liquid optical cement is suitable for automatic equipment coating.

The invention discloses an H.264 standard motion vector-based method for embedding and extracting a fragile watermark, which belongs to the technical field of information security. Watermark information is selectively embedded into the motion vector of a frame P in front of a frame I, so that watermark capacity and fidelity are high; the watermark information comprises a frame number and a time stamp, and is encrypted with a symmetric cryptographic algorithm, so that the watermark information has attack resistance and video tampering can be positioned at a certain accuracy; and an implementation process is performed in a compressed domain, computation complexity is low and the influence on a video coding bit rate is low.

The invention discloses a multifunctional health-care medicament pillow for a baby. The center of the front surface and / or the middle part of a long edge of a top pillow fabric is sewed with a bottom pillow fabric to form a pillow groove which is shaped like an arc or a pig kidney to adapt to the head of the baby and has a certain slope; the bottom fabrics or the edges of a medical pillow bag and the pillow groove are provided with bag openings respectively; the bag openings are respectively sewed with a big end up fastener; the bag openings are used for disassembling and exchanging seeds of traditional Chinese medicaments and a sweat-absorbing material, adjusting the height and width of the pillow and providing convenience for disassembling and washing a pillow bag; the sweat-absorbing material with proper softness is filled in the arc or pig kidney shaped pillow groove; and one or several traditional Chinese medicaments in a form of small granular seeds of fruit of negundo, fructus cannabis and seeds of feather cockscomb are filled in the medicament pillow. The pillow has the advantages of stimulating the circulation of blood, allaying tiredness, achieving healthcare treatment, guaranteeing a well-developed baby head and comfortable sleep for the baby, improving sleep quality and strengthening body constitution of the baby, along with rational structure, good elasticity, good shape, well-chosen traditional Chinese medicaments, ventilation, dryness and comfortableness, sweat absorption, mildew resistance and sterilization.

The present invention discloses a power strip device including a casing and a plurality of socket modules arranged at the casing; wherein, the each socket module has a jack unit, the socket modules are arranged at the casing along a first direction, at least one socket module is movably arranged at the casing along a second direction perpendicular to the first direction; when a plug with a large volume needs to be plugged in, the socket module is moved along the second direction so that the jack unit is staggered with the jack units of the other socket modules, when the plug with the large volume is plugged in the socket module, the jack units of the other socket modules can not be shielded.

The invention provides an ultraviolet curing liquid optical adhesive as well as a preparation method and application thereof. The intrinsic solid shrinkage rate of the ultraviolet curing liquid optical adhesive is 0.6% or below. The ultraviolet curing liquid optical adhesive comprises tackifying resin, an active oligomer, an active diluent and a photoinitiator, wherein the tackifying resin has a structure as shown in a formula I which is described in the specification. The ultraviolet curing liquid optical adhesive can reduce curing shrinkage and reduce the mura risk of yellow spots in a liquid crystal touch screen attaching process.

The invention relates to an online accurate measurement and control device for the drilling rig angle and a method of the online accurate measurement and control device. The online accurate measurement and control device comprises a display screen, a drilling rig body, and parameter measuring sensor devices; the parameter measuring sensor devices are installed on operating mechanisms of the drilling rig body; the parameter measuring sensor devices and the display screen are connected through cables; and the parameter measuring sensor devices comprise any one or more combinations of the following: a tilt angle sensor, an azimuth sensor, a rolling pitching angle sensor, a temperature sensor, a pressure sensor, a rotating speed sensor, and a displacement sensor. The online accurate measurement and control device for the drilling rig angle and the method of the online accurate measurement and control device have the advantages that fast perforating can be achieved, measuring can be achieved quickly and accurately, the angle is adjusted, the safety is good, the drilling efficiency is high, and the labor cost is saved.

The invention provides a mounting structure for an automobile door lock, and belongs to the technical field of automobiles. The mounting structure solves the problems that a door handle and door lock pull wires of an automobile cannot be assembled easily and time and labor are consumed in the prior art. The mounting structure for the automobile door lock comprises door lock pull wires, a door handle, a fixed base and a door guard board which is mounted on an automobile body. The door guard board is provided with a mounting cavity, the door handle is located on one side of the door guard board and hinged to the door guard board, and the other side, facing the door guard board, of the mounting cavity is opened. The fixed base is arranged in the mounting cavity, and the fixed base is provided with sliding columns in a sliding mode. The door handle is fixedly connected with a shifting piece which can drive the sliding columns to slide on the fixed base when the door handle is pulled, and one end of each door lock pull wire is connected to the corresponding sliding column. The mounting structure for the automobile door lock has the advantage of being convenient and fast to mount.

The invention provides a laminator with double-mold jig mechanisms. The laminator comprises at least four double-mold jig mechanisms, a film transfer mechanism and a pressing mold mechanism, wherein each double-mold jig mechanism comprises a pressing mold jig and a positioning jig; positioning salient points are arranged at the two ends of the top of the positioning jig; the pressing mold jig is used for laminating the placement parts of glass sheets and films; the area, for placing the films, on the pressing mold jig is cambered to adapt to lamination of the cambered glass sheets; the double-mold jig mechanisms respectively correspond to a working position I, a working position II, a working position III and a working position IV; the film transfer mechanism is arranged in the working position II; the pressing mold mechanism is arranged in the working position IV; the working position I is used for loading the films on the positioning jigs and unloading the glass sheets laminated with the films from the pressing mold jigs; the working position II is used for transferring the films from the positioning jigs to the pressing mold jigs; the working position III is used for tearing off the protective films of the films and loading the glass sheets; the working position IV is used for picking up the glass sheets and then laminating the glass sheets on the films on the pressing mold jigs.

The invention discloses a reinforced thermal insulation decorative wall and a construction method thereof. The reinforced thermal insulation decorative wall includes an outer wall, several thermal insulation boards, a cross-shaped support frame and several buckles. Splicing is bonded on the outer surface of the outer wall, one end of the cross-shaped support frame is fixed on the outer surface of the outer wall, the other end passes through the gap of the insulation board, and the cross-shaped support frame is fixed on the outer surface of the outer wall. A buckle is connected, and the buckle is arranged on the surface of the heat preservation board along the seam direction of the heat preservation board. The invention improves the reinforcing effect of the thermal insulation board on the surface of the outer wall, and the cross-shaped support frame makes the load-bearing distribution of the thermal insulation board more uniform, has a positioning function, and is more convenient for the alignment and positioning of the thermal insulation board during installation, so that the installation position more precise. The movement of the thermal insulation board is further restricted by the buckles, and the thermal insulation board on the surface of the outer wall is further reinforced, thereby improving the safety and stability of the reinforced thermal insulation decorative wall.

The invention relates to the technical field of cutting tools, and particularly relates to a spiral tap. The spiral tap comprises a clamping part, a knife handle and a tool bit, wherein the knife handle is connected with the clamping part; the tool bit is connected with the knife handle. The spiral tap is characterized in that the front end of the clamping part is in a conical shape; the tool bit comprises a drilling part on the rear half section, and a tap part on the front half section; tapping blades are evenly distributed on the circular surface of the tap part along the axial direction; a chip groove is also formed in the tap part, extends in a spiral shape and penetrates through the tapping blades; a drill tip is arranged at the tail end of the drilling part; the spiral tap can be processed and molded at one step; the processing efficiency is low; the clamping part is prevented from being cracked.

The invention discloses a machining technology of a non-fin heat exchanger. The non-fin heat exchanger comprises tube bodies and flat tubes. The machining technology of the non-fin heat exchanger comprises the following steps that (1) inserting holes are formed in the periphery of each tube body; (2) the two ends of each flat tube are inserted into the corresponding inserting holes formed in the tube bodies located at the two ends respectively; (3) a welding locating tool is arranged between every two flat tubes; each welding locating tool comprises a hollow tube, a clamping groove is formed in the tube wall of each hollow tube, and the flat tubes are clamped into the clamping grooves; (4) the portions, located on the connecting portions of the tube bodies and the flat tubes, of the tube bodies and the flat tubes are coated with soldering paste; (5) the two sides of each flat tube are respectively provided with a reinforcing welding rod attached to the circumferential walls of the corresponding tube bodies; (6) the portions, located at the connection portions of the tube bodies and the flat tubes, of the tube bodies and the flat tubes are coated with brazing flux and the mass concentration of the brazing flux is 30%-40%; (7) the tube bodies and the flat tubes are placed in a brazier together with the welding locating tools for brazing. By the adoption of the machining technology, good-quality welding of the non-fin heat exchanger is achieved.

The invention provides a self-locking chuck and an electrode slice connecting device, and the self-locking chuck does not get loose, and is safe in treatment, good in electrical conductivity, low in cost and good in universality. The self-locking chuck comprises an upper cover, a lower cover and a turning plate; the upper cover and the lower cover are buckled and connected, a clamping channel is formed between the upper cover and the lower cover, a connecting shaft is fixedly arranged at the front end of the upper cover, a half open shaft sleeve is arranged in the eccentric position of the turning plate, a front protruding part and a rear protruding part are arranged at the lower part of the turning plate, the shaft sleeve is correspondingly arranged at the upper end of the rear protrudingpart, the connecting shaft is sleeved with the turning plate through the shaft sleeve, a metal elastic sheet is arranged in the clamping channel, the lower end face of the metal elastic sheet is abutted against the lower cover, the upper end face of the metal elastic sheet is abutted against the rear protruding part and the upper cover respectively, and a wire extending outwards is arranged on the rear part of the metal elastic sheet. The electrode slice connecting device comprises an electrode slice and the self-locking chuck; the electrode slice comprises an electric conduction main body, atransition section and an extending end; the extending end is connected with the electric conduction main body through the transition section, and the front end of the transition section and the extending end are arranged in the clamping channel.

The invention belongs to the field of buttons, and particularly relates to a pneumatic clamping snap fastener. The pneumatic clamping snap fastener comprises a male button and a female button, whereinthe front end of the male button is provided with an expansion part prepared from a flexible material, and after being inserted into the female button, the expansion part is pressed to be deformed and clamped into a female button receiving cavity, so that meshing of the male button and the female button is achieved. According to the pneumatic clamping snap fastener, during clamping, the end of the male button is expanded through air pressure so as to achieve fastening, and the fastening strength is kept; in need of separation, separation can be easily achieved only through simple operation.

The invention discloses UV-moisture dual-curing liquid optical cement. The UV-moisture dual-curing liquid optical cement is prepared from, by weight, 45-80 parts of UV moisture curing matrix resin, 10-50 parts of tackifying resin, 10-35 parts of reactive diluents, 0.3-5 parts of photoinitiator and 1-5 parts of additive. The matrix resin and the tackifying resin have unique molecular structures. The invention further provides a preparation method of the UV-moisture dual-curing liquid optical cement. The preparation method comprises the following steps that the matrix resin and the tackfying resin are prepared; then all the materials are placed in a planetary vacuum mixer and are stirred and mixed to be uniform, and the finished product is obtained through filtering and defoaming. The problem of cement overflow that common liquid optical cement cannot overcome and the problem that the common liquid optical cement is not suitable for the special lamination process of UV precuring, lamination and moisture curing for cement overflow prevention are solved, a cement film formed by the UV-moisture dual-curing liquid optical cement after primary UV curing has moderate bonding strength and a good locating effect, the bonding strength is greatly improved after moisture curing, the surface of the cement film is very smooth, a certain edge shape is kept, no edge collapse phenomenon occurs, and the UV-moisture dual-curing liquid optical cement is suitable for automatic equipment coating.

The invention discloses a linear compressor and a piston thereof. The piston comprises a piston head and a piston rod, wherein the piston head and the piston rod are fixedly connected through a bolt and a nut. According to the piston of the linear compressor, the threaded end of a threaded rod is fastened with the nut to prevent the piston from being damaged, so that the assembly reject ratio is reduced, and the performance of the compressor is improved.

The invention discloses UV curing liquid optical cement. The UV curing liquid optical cement is prepared from, by weight, 20-70 parts of active oligomer, 10-50 parts of tackifying resin, 10-40 parts of reactive diluent, 0.3-5 parts of photoinitiator and 1-5 parts of additive. The tackifying resin has a unique molecular structural formula. A preparation method of the UV curing liquid optical cement comprises the steps that the active oligomer, the tackifying resin, the reactive diluent, the photoinitiator and the additive are placed in a planetary vacuum mixer and are stirred and mixed to be uniform, and a finished product is obtained through filtering and defoaming. The problem of cement overflow that common liquid optical cement cannot overcome and the problem that the common liquid optical cement is not suitable for the special lamination process of UV precuring, lamination and UV curing for cement overflow prevention are solved, a cement film formed by the UV curing liquid optical cement has moderate bonding strength and a good locating effect, the bonding strength is greatly improved after UV curing is carried out again, the surface of the cement film is very smooth, a certain edge shape is kept, and no edge collapse phenomenon occurs; the UV curing liquid optical cement is suitable for automatic equipment coating and especially suitable for full lamination of modules.

The invention relates to a sand core connector which comprises a connecting piece, a connecting sleeve and a hanger which are connected with the connecting piece, and loosing prevention devices which are respectively arranged on the end parts of the connecting piece and the connecting sleeve; the front part of the connecting piece is provided with a guide part and a connecting part which serves as a head; the guide part and the connecting part are together inserted into the connecting sleeve; the connecting part is provided with a neck which is hooked by the hanger that is fixedly arranged in the connecting sleeve by a hanger axle. The sand core connector of the invention is used for connecting the sand cores and connecting the sand core with the sand mold in the foundry production of sand mold, has the position function and can prevent the shifting or drifting of the sand core. The adoption of the sand core connector can greatly simplify the connection form between sand cores, and between the sand core and the sand mold, increase the connection strength so that the casting technological design, the mould manufacturing and the actual operation become more convenient and simplified, thus having excellent utility value for the sand mold casting production.

The invention provides a servo mechanism oil level potentiometer nut screwing-down device and a screwing-down and disassembling method. The nut screwing-down device comprises device fixing pins (2), a protecting sleeve (3) and a screwing-down tool (4). The protecting sleeve (3) is a structural member with the center provided with step inner holes and the section being in a U shape, wherein the inner hole with the small inner diameter is matched with the screwing-down tool (4) and plays a role in guidance, and the other inner hole is matched with a head shell of a servo mechanism and plays a role in location. The screwing-down tool (4) penetrates the inner hole with the guidance function, one end of the screwing-down tool (4) is matched with the nut, and the other end of the screwing-down tool (4) is used for screwing down the nut. Threaded holes are machined in the U-shaped vertical face of the structural member. A thread is arranged at one end of each fixing pin (2), a polish rod is arranged at the other end of each fixing pin (2), the thread ends are screwed down into the thread holes of the protecting sleeve (3), and the polish rod ends are inserted into head shell holes of the corresponding positions of the servo mechanism. Two small protrusions are arranged at one end of the screwing-down tool (4) and matched with a groove of the oil level potentiometer nut, and the other end of the screwing-down tool (4) is a screwing-down operation end. A cylinder through hole is formed in the screwing-down tool (4) in the axial direction and used for penetrating an oil level potentiometer resistor.

The invention discloses a novel jack box locking device and an assembling method thereof. The novel jack box locking device comprises a jack box body, a locking assembly, a locking panel assembly and an oil injection lubricating assembly, wherein one side of the jack box body is detachably connected with a jack box door plate, an opening is formed in one side of the jack box body, the locking assembly is arranged in the opening, the locking panel assembly is arranged on one side of the locking assembly, and a second nut is arranged on one side, outside the jackbox body, of a lead screw to form a perfect installation position. Therefore, the maximum upward insertion distance of the lead screw is controlled, the danger that the lead screw is in contact with a conductive busbar in a bus due to the fact that the upward insertion distance is too large , and electric shock caused by misoperation is prevented through positioning, the locking assembly can be distributed and mounted, and an upper wear-resistant block is arranged on the surface of a plastic rotating handle, so that the holding usability of a user is improved, and the jack box locking device has a good quick locking device when being used.

The invention discloses a pressing strip of a clamp for laser tailor-welding and laser cutting. The pressing strip comprises a pressing strip main body for tightly pressing a sheet material to be processed, and screw holes for fastening are arranged at both ends of the pressing strip main body. The pressing strip is characterized in that: a blocking strip is arranged at the lower part of the pressing strip main body; the height of the blocking strip is less than or equal to the thickness of the sheet material to be processed; the blocking strip and the pressing strip main body are integrally formed; and the screw holes are arranged at the outer side in the length direction of the pressing strip main body of the blocking strip. According to the pressing strip provided by the invention, as the blocking strip and the pressing strip main body are integrated to be a whole body, the pressing strip has the advantages of simple structure, easiness for production and good pressing effect, and is used for positioning the sheet material to be processed.

The invention discloses a longitudinal automobile power assembly adopting rear suspension. The longitudinal automobile power assembly comprises an engine, a gearbox, a rear suspension cushion, a limiting gasket, a gasket bolt and a connecting bolt. The rear suspension cushion comprises an upper support, a main spring and a lower support which are integrally vulcanized into a whole. A Y-direction connecting wall, an upper X-direction connecting wall and a second upper X-direction connection wall are arranged at the upper end of the upper support, and a wedge-shaped bulge is arranged at the lower end of the upper support. The main spring comprises a spring upper end, a spring middle end and a spring lower end; and the wedge-shaped bulge is inserted into a wedge-shaped inserting hole in the main spring. The surfaces of the side walls corresponding to the upper end, the middle end and the lower end of the spring lower end are each in a rounded rectangle column shape, the heights of the upper end, the middle end and the lower end of the spring lower end are minimum, maximum and medium sequentially, and the perimeters of the cross sections of the upper end, the middle end and the lower end of the spring lower end are longest, shortest and second longest sequentially. A rounded rectangle hole matched with the middle end of the spring lower end and a positioning groove matched with thelower end of the spring lower end are formed in the lower support; and the middle end of the spring lower end is inserted into the rounded rectangle hole, and the lower end of the spring lower end isclamped in the positioning groove. The upper support is fixedly connected with the rear end of the gearbox, and the lower support is fixedly connected with a rear suspension mounting crossbeam.

The invention discloses a fabricated building system. The fabricated building system comprises wallboard layers, floor slab layers and vertical connecting pieces, wherein the wallboard layers comprise a plurality of partition boards, the floor slab layers are arranged between the upper wallboard layer and the lower wallboard layer in a clamped mode, and first through holes penetrating in the height direction are formed in the floor slab layers; the vertical connecting pieces penetrate through the first through holes, and the two ends of each vertical connecting piece are inserted and locked into the two partition boards vertically adjacent to the first through hole correspondingly, so that the floor slab layers and the wallboard layers vertically adjacent to the floor slab layers are locked together, reinforcing ribs are arranged in the partition boards, each vertical connecting piece comprises a sleeve and a locking piece, the sleeve sleeves with the locking piece, the sleeve penetrates through the corresponding floor slab layer, and the two ends of the sleeve are inserted into the reinforcing ribs of the floor slab layers and locked through the locking pieces. According to the fabricated building system, the technical problem that due to the fact that the connecting strength of wallboards and floor slabs of a fabricated building is not enough, the stability of the fabricated building is poor in the prior art is effectively solved, and the beneficial effects that the building is high in stability, reliable in quality, high in safety and long in service life are achieved.

The invention relates to an electronic expansion valve, which includes a casing, a valve seat, a valve needle, a driving mechanism and an executing mechanism. The beneficial effects of the present invention are: a valve needle with a screw connection part and a plugging part is designed, and a through hole through the upper and lower sides is provided on the screw connection part of the valve needle, so that the fluid part of the inlet of the valve needle passes through the through hole first when the valve needle is opened. The hole reaches the outlet, thereby reducing the pressure difference between the inlet and the outlet, and avoiding the deformation of the valve needle; the combination of the arc-shaped groove and the arc-shaped protrusion not only has a sealing effect on the lower opening of the through hole, but also has a positioning effect on the valve needle.

The invention discloses a pushing type intelligent handbag. The pushing type intelligent handbag comprises a flip cover and a main bag body, wherein the back side of the main bag body is hinged to the back side of the flip cover; a moveable groove is formed in the middle part of the front wall surface of a front side plate of the main bag body; a pushing block is inserted in the moveable groove in a sleeving way; a moveable block body is arranged on the back side wall of the pushing block; the moveable block body is inserted in a sliding through groove, which is formed in the back wall surface of the moveable groove, in a sleeving way; a clamping connection block is fixed at the back end of the moveable block body; a clamping groove is formed in the left end of the clamping connection block; an adjusting extending part extending downwards is arranged on the bottom surface of the clamping connection block; an inserting rod is arranged on the left side wall of the adjusting extending part; a connecting stop block is fixed in the middle part of the front side plate; a sleeve body is arranged at the left end of the connecting stop block; and the inserting rod is inserted in the sleeve body in a sleeving way. The pushing type intelligent handbag can realize that a user can answer a call and check a short message without taking out a mobile phone; meanwhile, the position of the mobile phone is fixed, so the pushing type intelligent handbag has a positioning effect; furthermore, the pushing type intelligent handbag is provided with an ultraviolet lamp to sterilize and is also provided with an LED (light emitting diode) lighting lamp to enable the user to check articles in the handbag conveniently in a dark place.

The invention belongs to the technical field of perforating, and particularly relates to automatic perforating equipment for bills. The automatic perforating equipment comprises a conveying unit, a perforating unit and a marking unit; the conveying unit comprises a paper conveying roller and a paper receiving roller; the perforating unit comprises a motor, a perforating disc and a perforating ring; the motor is connected with the perforating disc; the side wall of the perforating disc is provided with a plurality of perforating heads; the side wall of the perforating ring is provided with a plurality of perforating channels matched with the perforating heads; the perforating disc is engaged with the perforating ring through the perforating heads and the perforating channels; the perforating ring is further provided with a collecting box for collecting waste paper, and a glue smearing rod for bonding edges of the bills; a cavity for containing hot melt glue is formed in the glue smearing rod, and a resistance wire for melting the hot melt glue is arranged on the glue smearing rod; and the marking unit comprises a plurality of marking pens arranged on the side wall of the perforatingdisc, and the number of drill bits between the adjacent marking pens is equal to that of holes needing to be perforated. Through the scheme, the bill perforating efficiency is effectively improved, and the phenomenon that the bills are not completely perforated is avoided.