151 results about "Knurling" patented technology

The utility model relates to the technical field of bottle cap processing, in particular to a feeding and pad adding device for a rotary type line breaking and pad adding all-in-one machine, and a pad adding guide disc comprises an upper disc and a lower disc, so that a guide plate can be arranged between the upper disc and the lower disc, and bottle caps are led into the other disc from one disc; therefore, the three procedures of thread breaking and knurling, gasket adding and detecting are integrated into the same equipment, seamless connection of the production process is achieved, and the production efficiency is improved; pad adding equipment is greatly improved, automatic eight-station continuous operation of gasket feeding, bottle cap feeding, pad adding and discharging is achieved on the basis of undulating annular rail guiding and cooperation of a pad adding main rotating shaft and an equally-divided rotating disc, the pad adding efficiency is greatly improved, the integration degree of the equipment is improved, the size of the equipment is reduced, and the purposes of reducing cost and improving efficiency are achieved; the pneumatic conveying unit is added to serve as a transition section, the design requirement of the rotary wire breaking and gasket adding all-in-one machine is met, and the distance between the front portion and the rear portion of a gasket can be guaranteed by adding a transition stroke.

The utility model relates to the technical field of bottle cap processing, in particular to a rotary thread-breaking knurling device for a rotary thread-breaking and gasket-adding all-in-one machine, a thread-breaking knurling guide disc is divided into an upper disc and a lower disc, so that a guide plate can be arranged between the upper disc and the lower disc, and a bottle cap is led into the other disc from one disc; the integration of the line breaking and knurling device can be realized by combining a padding transition disc and a detection transition disc arranged on the whole machine; aiming at the defects of large size, few stations and low bottle cap treatment efficiency of the existing thread breaking and knurling equipment, and meanwhile, the thread breaking and knurling equipment is greatly improved in order to prevent the situation that the size of a whole machine is too large after the thread breaking and knurling equipment is combined with the whole machine; the rotary thread breaking gear and the thread breaking and knurling main rotating shaft are matched with the equant turntable to realize automatic eight-station continuous operation of feeding, thread breaking and knurling, and bottle cap feeding and discharging, so that the thread breaking and knurling efficiency is greatly improved, the integration level of equipment is improved, the size of the equipment is reduced, and the purposes of reducing cost and increasing efficiency are achieved.

1. The name of the design product: lathe tap hobbing pattern tool. 2. The use of the design product: lathe tap hobbing pattern tool is used to hob the straight line or mesh pattern on the surface of the workpiece blank on the lathe, which is used in the scene where the small rigid weak lathe cannot use the knurling tool to process the pattern. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1. 5. Other situations that need to be explained: the use state reference figure 1 to the use state reference figure 3 is the use state reference figure of using the lathe tap hobbing to hob the straight line or mesh pattern on the surface of the workpiece blank on the lathe.

The utility model provides an automatic synchronous embossing mechanism additionally arranged on a small roll rewinder, and relates to the technical field of rewinding processing. The small roll rewinding machine additionally provided with the automatic synchronous embossing mechanism comprises a shell, an embossing roller shaft is rotationally installed in the shell, a first roller and a third roller are rotationally installed in the shell and located on the two sides of the embossing roller shaft respectively, two second grooves are symmetrically formed in the inner wall of the shell, a U-shaped frame is slidably installed between the two second grooves, and a second roller is rotationally installed in the U-shaped frame; a threaded rod is rotationally mounted on the U-shaped frame, the top end of the threaded rod penetrates through the top face of the shell and extends to the outside, the knurling roller shaft is sleeved with a plurality of round shells, and a plurality of first grooves are symmetrically formed in the knurling roller shaft; the whole device can finish printing while rewinding, printing can be replaced through simple operation, the whole device does not need to be disassembled, and the working efficiency is greatly improved.

The utility model discloses an adjustable hygienic product embossing device, and relates to the technical field of hygienic product embossing. The first motor drives the driving wheel to rotate so as to drive the toothed chain to rotate on the two supporting wheels, the toothed chain drives the driven wheel of the moving assembly to rotate, the driven wheel is fixedly connected with the threaded column, the threaded column is driven by the driven wheel to rotate and moves on the supporting plate at the same time, and finally the second motor and the auxiliary part are driven to move. And the distance between the knurling wheel and the auxiliary wheel is further adjusted. The distance between the knurling wheel and the auxiliary wheel can be flexibly adjusted according to the thickness of a hygienic product material, a production line does not need to be frequently replaced, and the production efficiency is improved.

The utility model discloses an aluminum plate processing surface pattern rolling forming device, which relates to the technical field of aluminum plate surface treatment, and comprises a base, support plates are fixedly arranged at the upper ends of the two sides of the outer wall of the base, sliding holes are formed in the two support plates, rotating pipes are arranged in the sliding holes in a sliding and penetrating manner, and rotating columns are rotationally arranged in the two rotating pipes. Rotating plates are fixedly arranged at the ends, close to each other, of the two rotating columns, a plurality of rotating rods which are symmetrically arranged in a surrounding mode are jointly and fixedly arranged on the sides, close to each other, of the two rotating plates, the rod walls of the rotating rods are rotationally sleeved with embossing rollers, a driving motor is fixedly arranged at the lower end of the outer wall of the supporting plate, and the tail end of an output shaft of the driving motor penetrates out of the supporting plate and is fixedly provided with a driving shaft; the shaft wall of the driving shaft is fixedly sleeved with a driving roller. According to the knurling device, the knurling rollers are matched in a rotating and transposition mode, knurling forming of different patterns can be conducted on the surface of an aluminum plate, and the using multifunctionality of the knurling device is improved.

The utility model provides embossing equipment for wallpaper production. The embossing equipment for wallpaper production comprises a bottom plate; the knurling table is fixedly connected to the top of the bottom plate, supporting plates are fixedly connected to the positions, located on the front face and the back face, of the top of the knurling table, and a first knurling roller and a first auxiliary roller are rotationally connected to the positions, close to one side, of the adjacent faces of the two supporting plates correspondingly; a second embossing roller and a second auxiliary roller are rotationally connected to the positions, close to the other sides, of the adjacent faces of the two supporting plates correspondingly, a transmission assembly is installed on the back face of one supporting plate, and a driving assembly for providing driving force is installed on the back face of the transmission assembly. According to the embossing equipment for wallpaper production, through the design, the first embossing roller, the first auxiliary roller, the second embossing roller and the second auxiliary roller are adopted for multiple times of embossing, the depth of an indentation is benefited, and the wallpaper embossing effect is improved.

The utility model discloses a sanitary paper double -sided knurling mechanism, including base. The utility model discloses, material is introduced the top surface of driving roller through guide roller, and the driven roller passes through the sliding slot and elevates, and the interval between driving roller and driven roller is adjusted, and the driven roller is fixed in the sliding slot in the motion fixed nut, and the interval between driving roller and driven roller is adjusted, thereby the material after different can carry out the normal pattern of press bonding, and through the telescopic of the first electric push rod drive clamping block, the driving roller is convenient to dismount, and the driving roller of different pattern is convenient to replace, thereby convenient to the press bonding of material, through the telescopic of the second electric push rod drive positioning clamping base, make positioning clamping base the reel of different size of clamping, and then through the rotation of another positioning clamping base of second motor drive, thereby convenient to the winding of material, through the clamping of positioning clamping base and second electric push rod convenient to the reel of different length, thereby convenient to the storage of the material of press bonding.

The utility model discloses a rolling head, belongs to the technical field of reticulate pattern rolling heads, and particularly relates to a reticulate pattern rolling head which comprises a tail handle, a rear cover plate, an adjusting assembly and a rolling assembly. The rear cover plate is installed on the tail handle, the adjusting assembly is installed on the tail handle and the rear cover plate, and the rolling assembly is installed on the tail handle and connected with the adjusting assembly. According to the utility model, the adjusting nut is mainly driven by the adjusting shell, so that the adjusting wedge block slides in the chute of the claw seat, and the adjusting wedge block can drive the clamping main body to horizontally move, so that the gaps of the three knurl wheels are adjusted, the moving distances of the knurl wheels are consistent, and the precision of forming a tangent circle by the knurl wheels is ensured; therefore, the structure of the reticulate pattern rolling tool is optimized, the production efficiency is improved, the product quality is improved, the precision is high, the debugging difficulty is reduced, and meanwhile the reticulate pattern rolling tool has the advantages of being easy to operate, flexible to adjust and efficient in maintenance.

The invention relates to the technical field of lathe equipment, in particular to a bolt integrated machining lathe which comprises a machine table, a chuck mechanism and a movable carrying table, the chuck mechanism and the movable carrying table are installed on the machine table, and the movable carrying table and the chuck mechanism are oppositely arranged; a feeding mechanism is slidably connected to the upper portion of the machine table, a forming mechanism is installed on the upper portion of the machine table, and a driving mechanism for driving the forming mechanism to move is arranged at the bottom of the machine table. Wherein the feeding mechanism is configured to convey a to-be-machined bolt into the chuck mechanism and transfer the bolt subjected to primary machining in the chuck mechanism into the forming mechanism, the feeding mechanism is used for clamping and transferring the to-be-machined bolt, the to-be-machined bolt is firstly placed in the chuck mechanism to be clamped and fixed, and then the to-be-machined bolt is placed in the forming mechanism to be clamped and fixed; and then thread machining is achieved in cooperation with a machining assembly on the movable carrying table, and then the bolt with the machined threads is clamped again and transferred into the forming mechanism, so that the knurling straight thread part at the tail end of the rod part of the bolt is machined.

The objective is to provide an ultrasonic horn that suppresses the generation of burr-like protrusions from the workpiece during ultrasonic welding, thereby achieving excellent welding strength. [Solution] The ultrasonic horn of the present disclosure is an ultrasonic horn 100 for ultrasonically welding a workpiece 70 to a workpiece 50, wherein the tip surface 11a that contacts the workpiece 70 with the workpiece 50 is knurled, and a straight section is formed on at least a part of the outer circumference such that the height of the protrusions formed by the knurling is between the peaks and valleys.

The utility model relates to a clamp pressure type slender shaft self-centering knurling tool, which belongs to the field of knurling and comprises a fixed seat, a fixed arm fixedly connected to the front surface of the fixed seat, two knife rests rotationally connected to the front surface of the fixed seat, knurling wheels rotationally connected between the front side wall and the rear side wall in the knife rests, and a spring fixedly connected between the opposite sides of the two knife rests, the two tool rests are arranged on the left side and the right side of the front face of the fixing base correspondingly, and adjusting structures used for adjusting the knurling pressure are arranged on the opposite sides of the left tool rest and the right tool rest. According to the clamp pressure type slender shaft self-centering knurling tool, a hand wheel is manually rotated to drive a screw rod to rotate through an adjusting structure, then movement of a screw block and a connecting rod is accurately controlled, fine adjustment of the opening degree of a tool rest and a knurling wheel is achieved, the knurling pressure can be accurately set according to the machining requirement, and in addition, the machining efficiency is improved. A spring arranged in the tool enables the tool to automatically adapt to slender shafts with different diameters.

The utility model relates to the technical field of bottle cap processing, in particular to a rotary line breaking and gasket adding all-in-one machine, which comprises a feeding device, a line breaking knurling device, a gasket adding device and a detection unit, and is provided with a gasket adding transition disc and a detection transition disc, and optimizes the structures of the gasket adding transition disc, the detection transition disc, a line breaking knurling guide disc and a gasket adding guide disc. The gasket adding transition disc, the detection transition disc, the thread breaking knurling guide disc and the gasket adding guide disc all comprise the upper disc and the lower disc, a guide plate can be arranged between the upper disc and the lower disc, bottle caps are led into another disc from one disc, and therefore the thread breaking knurling process, the gasket adding process and the detection process are integrated into the same equipment, and the production efficiency is improved. The seamless connection of the production process is realized, and the production efficiency is improved.

The utility model discloses a kitchen paper high-low knurling device which comprises a processing table, two knurling frames and two knurling rollers, the two knurling frames are fixedly connected to the front side and the rear side of the top of the processing table respectively, and the two knurling rollers are rotationally connected to the sides, close to each other, of the two knurling frames and arranged up and down. Sliding grooves are formed in the left side and the right side of the front side and the rear side of the machining table correspondingly, sliding rails are fixedly connected into the sliding grooves, and moving devices are slidably connected to the surfaces of the sliding rails. And the service life and efficiency of the equipment are improved, and the product machining effect is improved.

The utility model discloses a novel laminating device for producing photovoltaic adhesive film, which comprises a mesh belt machine, a mould and an embossing roller assembly, the mesh belt machine comprises a rack and a driving roller driver, the left end and the right end of the rack are respectively provided with a driven roller and a driving roller, the two ends of a metal woven mesh belt are respectively wound on the driven roller and the driving roller, and the mould is arranged on the embossing roller assembly. The surface of the metal woven mesh belt is provided with embossed patterns for forming embossed patterns on the surface of one side of the photovoltaic adhesive film; the mold is positioned above the left end of the rack and is used for extruding a photovoltaic adhesive film; the knurling roller assembly is located below the outer side of the right end of the rack and comprises a connecting base connected with the rack, a knurling roller rotationally and movably connected with the connecting base and a knurling roller driver connected with the connecting base and used for driving the knurling roller to be close to or away from the driving roller; an embossing channel is formed between the embossing roller and the driving roller; a traction cooling roller set is arranged on the side, away from the rack, of the knurling roller assembly. According to the utility model, high-efficiency, high-quality and low-cost production of the photovoltaic adhesive film is realized.

The utility model provides a balling machine relates to the field of balling machine. Including transport mechanism, knurling mechanism, cutting knife mechanism, stretch winding mechanism, bundling mechanism, balling mechanism, blanking mechanism and support frame, the bottom fixed connection of support frame has direct current motor, the output rotating shaft fixed connection of direct current motor has the mounting disc, the top rotatory connection of mounting disc has the force cam, the inner wall of control position ring is connected in the force cam sliding, the side fixed connection of control position ring has the guide rod. The application through the setting of support frame, direct current motor, mounting disc, force cam, control position ring, guide rod, U type linkage board, work type sliding block, auxiliary rod can effectively reach the purpose of quick and convenient regulation of the belt tension, solved the problem that cannot adjust according to the actual required condition, and then influence the transmission efficiency of the belt, improved work efficiency, and reduced the work intensity of staff, greatly enhanced the practical effect.

The utility model discloses a knurling mechanism for a pen container. The knurling mechanism comprises a workbench and a discharging bin. A base is arranged on the workbench, a guide rail is arranged on the base, a movable seat and a movable motor are arranged on the guide rail, a first air cylinder is arranged on the movable seat, a fixed seat is arranged on the first air cylinder, an installation piece is arranged on the fixed seat, and a knurling piece is arranged on the installation piece. A feeding plate is arranged at the lower end of the discharging bin, a second air cylinder is arranged at one end of the feeding plate, a rolling piece is arranged on the feeding plate, and a feeding groove matched with the discharging bin is formed in the rolling piece. According to the knurling mechanism for the pen container, the rolling piece is arranged and can be matched with the discharging bin to achieve automatic discharging, so that the pen container automatically enters the feeding groove in the rolling piece. And then the feeding plate is pushed through the second air cylinder to be matched with the toothed plate to rotate, so that the feeding plate is conveyed to a designated position and is matched with the rotating motor to drive the feeding plate to rotate, and meanwhile knurling treatment is achieved through the knurling piece. Feeding can be facilitated through the rolling piece, rotation and knurling of the pen container are facilitated, and the working efficiency is improved.

The utility model relates to a composite environment-friendly plastic insert which comprises a metal ring, two knurled ferrules are arranged on the outer surface of the metal ring in a sleeved mode, a head metal ring belt is arranged on the top of the metal ring, a plurality of arc-shaped knurled grooves are formed in the outer surfaces of the two knurled ferrules, an inner through hole is formed in the metal ring, and the inner through hole is communicated with the head metal ring belt. An inner ring of the metal ring is provided with internal threads, the metal ring, the knurled ferrules and the head metal ring belt are integrally formed and are made of brass or stainless steel or aluminum alloy, and the rotating direction of the arc-shaped knurled grooves in the knurled ferrules on the top is opposite to that of the arc-shaped knurled grooves in the knurled ferrules on the bottom. According to the composite type environment-friendly plastic insert, the hole wall of the hot-melted plastic part is completely attached to the arc-shaped knurling grooves through the arc-shaped knurling grooves in the two knurling ferrules of the insert, meanwhile, the knurling rotation directions of the two arc-shaped knurling grooves are opposite, and therefore the effects that the connection strength of the plastic part and the insert is high, and the stability is better are achieved.

The utility model relates to knurling machine technical field especially, relates to a metal part automatic knurling machine. The utility model provides a metal part automatic knurling machine, including frame, mounting panel, fixed plate and moving block etc.

1. The name of the design product: cutting center machine (single wheel adjustable). 2. The use of the design product: for lathe cutting knurling. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The utility model belongs to the technical field of knurling discharging, and particularly relates to a discharging device for a knurling machine, which comprises a bottom plate, a frame is fixed at the top of the bottom plate, two supporting plates are fixed at the top of the frame, and two discharging rollers are connected between the two supporting plates through bearings. According to the discharging device for the knurling machine, through the arrangement of the bottom plate, the frame, the supporting plate, the discharging roller, the support, the hydraulic cylinder, the U-shaped plate, the material receiving mechanism, the transfer base, the push handle and the universal self-locking wheels, in the using process of the discharging device for the knurling machine, knurled metal plates can be received under the cooperation of the discharging roller, and the knurled metal plates can be conveniently conveyed to the knurling machine. According to the knurling machine, the knurled metal plates can be automatically conveyed to the material receiving mechanism while being received by the knurling machine, finally, the knurled metal plates can be automatically stacked on the transferring base by driving the material receiving mechanism to move downwards through the hydraulic cylinder, workers can conveniently carry the knurled metal plates in the later period, manual material receiving and discharging are not needed in the whole process, and use is convenient.

The utility model relates to the technical field of the pot, concretely to a multilayer metal composite pot with knurling, including composite pot body, the one side of composite pot body is provided with handle, the composite pot body is by three layer composite metal sheet constitutes, the one side of composite pot body surface is provided with solid -liquid separation mechanism, the inside of solid -liquid separation mechanism includes and has drainage, separation seat and liquid passage, be provided with reinforcing mechanism between composite pot body and handle, the reinforcing mechanism is by reinforcing assembly, mounting hole and connecting piece constitutes. The utility model not only can reduce the cost and increase the efficiency when knurling, has improved the convenient degree when the pot utensil carries out solid -liquid separation to food, and has improved the firm degree of handle when the pot utensil uses.

The utility model discloses knurling machine automatic feeding device, including the placement seat and the integrated board, the top of placement seat installs the integrated board, the top of placement seat one side of integrated board installs the air pump, the top of placement seat one side of air pump installs the bearing bracket, the top of bearing bracket installs the material bucket, the inside movable arrangement of material bucket has the material shifting disc, the bottom of material bucket installs the first servo motor, the output of first servo motor installs the drive shaft, and drive shaft is connected with the material shifting disc, the surface of material shifting disc is provided with the equal interval multiple groups of recess, be provided with the ejection rail on the lateral wall of material bucket, be provided with the integrated frame on the lateral wall of ejection rail. The utility model not only realized the automatic arrangement of metal sleeve and continuous input processing, facilitated the blowing cleaning of the granular impurities on the surface and inner wall of hollow sleeve, and improved the efficiency and quality of knurling processing.

The utility model relates to the technical field of paper container production, in particular to an automatic forming device for a coated paper container. Comprising a feeding part, a forming part, a detection part, a discharging part, a waste material part, a feeding groove, a paper suction module, a paper feeding module, a forming rail, a forming mold, a bending module, an ultrasonic bonding module, a feeding module, a steering module, a feeding rotary disc, a bottom sealing module, a bottom sealing feeding module, a folding module, a knurling module, a hemming module, a detection transfer module, a detection rail, a detection bracket and a detection electric eye. The automatic forming device for the coated paper containers has the beneficial effects that the paper containers are detected through the detection electric eye, then leakage detection is conducted on the paper containers through the air pressure sealing detection module, the paper containers are automatically classified after detection is completed, the detection efficiency is improved, the labor intensity of workers is reduced, and the labor intensity of workers is reduced. The finished paper containers are counted and stacked, and the production control and production efficiency of the paper containers are improved.

The utility model belongs to the technical field of knurling of fireproof rolling shutter doors, and provides an efficient dispersing negative electrode adhesive preparation device which comprises a mixing preparation cylinder and a main body of the efficient dispersing negative electrode adhesive preparation device, an annular medicine mixing box is arranged on the periphery of the bottom of the mixing preparation cylinder, and a sealing door is hinged to the outer surface of the mixing preparation cylinder. After an adhesive enters the mixing preparation cylinder through the jet flow mixer, the adhesive falls on the impact plate and is dispersed on the screen plate, then the dispersed adhesive can slide down along the multiple flow guide strips, the adhesive passing through the multiple flow guide strips can form a dispersed water curtain, and then after the additive enters through the feeding opening, the water curtain can flow into the jet flow mixer to form a water curtain. The additive is dispersed along with the screen plate and is in contact with the flow guide strips forming the water curtains, so that the adhesive and the additive are in more uniform contact, and the adhesive and the additive need to pass through a plurality of groups of water curtains, so that the contact time of the adhesive and the additive is longer, and the reaction is more comprehensive.

The utility model provides a multi-stage pump impeller precision casting mold which comprises a lower mold plate and an upper mold plate, a mold sleeve is fixedly connected to the top of the lower mold plate, a lower mold is fixedly connected in the mold sleeve, a mold is fixedly connected in the lower mold, an upper mold is installed on the top of the lower mold, the upper mold is installed in the mold sleeve, and the lower mold is fixedly connected in the mold sleeve. The bottom of the upper die is fixedly connected with a pump blade embossing, the top of the upper die is fixedly connected with an upper die plate, an upper die cavity is formed in the upper die, a motor is arranged on the top of the upper die plate, the output end of the motor is fixedly connected with a rotating rod, the rotating rod is movably installed in the upper die cavity, and the rotating rod is fixedly connected with a plurality of extension rods. A plurality of vibration devices are fixedly mounted on the extension rods, and after the pump impeller is cast in cooperation with the mold and the pump blade knurling, when demolding operation needs to be carried out, the motor slightly rotates the rotating rod and is started with the vibration devices on the extension rods, so that efficient and uniform demolding of the pump blade knurling is achieved, and then the casting yield is increased.

The utility model relates to an on-line processing device for an automobile zipper line inner core steel rope. The on-line processing device comprises a feeding mechanism, a conveying mechanism, a cutting mechanism, a peeling mechanism, a pattern punching mechanism, a detection mechanism and a rack, the feeding mechanism, the conveying mechanism, the cutting mechanism and the detection mechanism are sequentially arranged on the rack; the peeling mechanism comprises a sixth air cylinder and a peeling workpiece; the embossing mechanism comprises a seventh air cylinder and an embossing workpiece; the detection mechanism comprises a fifth air cylinder, a visual detector, a lighting plate and a fixed-length driving piece. The steel rope feeding device has the advantages that the steel rope which is just unwound is stabilized through the material pressing assembly, the material blockage preventing mechanism avoids the material blockage phenomenon caused by knotting and bending when the steel rope is conveyed, and a plurality of steel ropes are fed stably at the same time; the feeding mechanism improves the accuracy of the feeding position of the steel rope, and the situation that the steel rope is inclined to affect the quality of pattern making and fixed-length cutting is avoided; automatic unwinding, feeding, peeling, knurling, fixed-length cutting, knurling shape detection and discharging of a plurality of steel ropes are achieved, and the productivity of a production line is improved.

The application relates to a device for preparing a heterogeneous metal laminated plate with surface pretreatment and a working method, which comprises a base and a concave die fixed above the base, a pushing groove extending horizontally is arranged on the upper end surface of the base, a pressing plate is arranged above the concave die, a punch is fixed to the lower end of the pressing plate, a vertical pressing cavity for the punch to press into is vertically and penetratively arranged on the concave die, a die core is arranged between the lower part of the pressing cavity and the base to form an extrusion channel in communication with the pressing cavity; a cavity for installing a surface pretreatment assembly is further arranged in the concave die, the surface pretreatment assembly comprises a gear shaft, a knurled wheel with a knurled surface is coaxially arranged on the gear shaft, a vertical rack extending downward is fixed to the lower end of the pressing plate, and the end surfaces of the gear shaft are provided with gear teeth for engaging with the rack, the device for preparing the heterogeneous metal laminated plate with surface pretreatment utilizes the surface microstructure processing and auxiliary feeding functions of the knurled wheel, so that manpower is saved and cost is reduced.

The utility model relates to the technical field of aluminum strip machining, and particularly discloses an automatic aluminum strip centering device which comprises a rack and an embossing roller, the upper surface of the rack is a two-section table top, the table tops are installed on the front side and the rear side of the embossing roller respectively, conveying rollers are installed below the table tops in front of and behind the embossing roller respectively, and strip-shaped notches are formed in the positions, corresponding to the table tops, of the conveying rollers. The top of the conveying roller is in contact with the bottom surface of the aluminum strip conveyed on the tabletop; the device further comprises a centering assembly, the centering assembly comprises a centering support, adjusting arms and pressing wheels, the centering support is fixed above the embossing roller, the adjusting arms and the pressing wheels are symmetrically installed along the two sides of the centering support, each side is provided with two adjusting arms and two pressing wheels, and the adjusting arms and the pressing wheels can freely slide on the two side walls of the centering support and are positioned. According to the scheme, the problems that when an existing aluminum strip is knurled, shaking generated when the aluminum strip is suspended drives the knurling part of the aluminum strip to shake, and winding deformation generated in the middle of the knurling roller is further aggravated to affect the knurling precision of the aluminum strip can be solved.

The utility model discloses an embossing roller for processing impact-resistant and breakage-resistant garbage bags, and relates to the technical field of embossing equipment. According to the technical scheme, the knurling roller is characterized by comprising a knurling roller body, connecting shafts are arranged at the two ends of the knurling roller body, two semicircular knurling covers are detachably connected to the circumferential surface of the knurling roller body, knurling patterns are arranged on the outer surfaces of the knurling covers, and the knurling roller further comprises a positioning assembly used for fixing the two knurling covers. The utility model aims to provide the embossing roller for processing the impact-resistant and breakage-resistant garbage bag.