410 results about "Slip sheet" patented technology

The invention relates to the technical field of mechanical workpiece positioning, and discloses a positioning device for grinding machining of a guide post, which comprises a sliding seat, an anti-cutting part arranged at the top of the sliding seat and used for self-adapting to the grinding position change of a grinding wheel to prevent structural wear, and a clamping part mounted on the anti-cutting part and used for clamping the guide post. The clamping part can adapt to the stress degrees of the guide columns under different parameters for effective clamping, an anti-skid piece on a rotating shaft is matched with a second pressure sensor, the clamping effect is determined according to the stress parameters of the guide columns of different sizes and materials, damage to the guide columns due to loose clamping or too tight clamping is avoided, and the service life of the guide columns is prolonged. The anti-disengaging part conducts limiting compensation on the clamped guide column and prevents the guide column from disengaging, the metal disc and the magnetic disc are attracted, the bent piece on the supporting arm makes contact with the end of the guide column, the distance between the bent piece and the guide column can be adjusted by rotating the threaded rod so that the guide column can be matched with different calibers, and the guide column is limited in the grinding process; and the guide pillar is prevented from shaking, loosening or falling off due to grinding wheel pressure and high-speed rotating centrifugal force.

The invention provides a cylinder body of a rotor type compressor pump body and a manufacturing method, and relates to the technical field of compressors, the inner circumferential wall of the cylinder body is provided with an air suction part used for air suction and a sliding sheet seat used for containing a sliding sheet, and the cylinder body is formed by compounding an insert and a light material; a slip sheet seat is formed in the insert, the requirement for wear resistance of the slip sheet in the slip sheet seat is met, an air suction part is formed in the insert, and the requirements for coaxiality and connection strength of the air suction part and the air suction pipeline are met; materials, except the inserts, of the cylinder body are replaced by light materials, so that the light-weight design of the cylinder body can be realized under the condition that the wear resistance and the coaxiality are met; compared with the prior art, a sliding sheet seat and an air suction part in a cylinder body can only be machined one by one, and more than ten or even dozens of inserts such as a sliding sheet seat insert or an integrated insert or an air suction seat insert can be machined at a time, so that large-scale production and machining can be performed, the production efficiency can be improved, and the consistency of product quality can be ensured.

The invention relates to the technical field of natural gas well exploitation, in particular to a water drainage, sand pumping and plug removal device for a power-free gas production pipe column and a using method. According to the technical scheme, the water inlet end of the lower portion of a nozzle is connected with a power water inlet formed in the outer wall of a pump body, a center pipe is arranged at the lower end of the nozzle, the water outlet end of the upper portion of the nozzle is communicated with a formation liquid inlet cavity, an expansion rubber barrel is arranged on the lower side of the pump body, and an upper pressure transmission hole is formed between the expansion rubber barrel and the center pipe; a slip rubber sleeve is arranged on the lower side of the pump body, a slip piece is arranged on the outer side of the slip rubber sleeve, a lower pressure transmission hole is formed between the slip rubber sleeve and the central pipe, and a formation liquid suction inlet is formed in the lower end of the pump body. A washing pipe is arranged at the bottom of the central pipe, and a sand suspending nozzle is arranged at the bottom of the washing pipe. The device has the beneficial effects that under the condition that a gas production pipe column is not moved, a continuous oil pipe is put into an inner cavity of the gas production pipe column to drive the device to pump sand, the sand pumping and plug removal requirements special for a natural gas well are met, and the well control safety and environmental protection problems of the natural gas well are avoided.

The invention relates to the technical field of badge production, in particular to badge production equipment with foam sticking and film tearing functions, which comprises a machine table, a linear circulating conveying mechanism, a plurality of upper cover carriers, a lining paper supply mechanism, a picture supply mechanism, a lower cover pin mounting and foam sticking machine, a lower cover feeding station, a press-fitting forming device and a multi-station synchronous feeding manipulator. The assembly of the upper cover assembly and the assembly of the lower cover assembly are synchronously carried out, pin assembly, foam pasting and film tearing are completed on line, the automation degree is high, the badge production efficiency is greatly improved, the labor intensity and the labor cost for producing badges with foam are reduced, the structural layout is reasonable and compact, and the production efficiency is improved. All feeding and transferring actions can be completed only through the multi-station synchronous feeding mechanical arm and the multi-station synchronous transferring mechanical arm, the using number of the mechanical arms is reduced, the production and manufacturing cost is reduced, and feeding and transferring synchronism is good.

The invention relates to a rotor type compressor pump body and a manufacturing method, the rotor type compressor pump body comprises a cylinder body, the cylinder body is internally provided with a compression cavity, and the inner peripheral wall is radially provided with a sliding vane seat for accommodating a sliding vane and an air suction seat; a crankshaft; a piston; an upper bearing cover; a lower bearing cover; and at least one of the cylinder body, the upper bearing cover and the lower bearing cover is formed by compounding an insert and a light material. The insert made of the same material in the prior art and the light material are formed through injection or die casting, and the insert is in contact with the crankshaft or the piston or the slip sheet, so that the wear resistance of the pump body is ensured, and the light weight of the pump body of the compressor is also ensured; in addition, compared with conventional casting production of iron castings and steel castings or production of other metallurgical materials, the composite part formed by combining the insert and the base body can reduce the cost and also can be beneficial to energy conservation and environmental protection. And for the insert, large-scale production and processing can be carried out.

The utility model discloses a packaging machine aluminum foil lining paper and frame paper packaging defect detection device, and belongs to the technical field of packaging defect detection. Comprising a detection table, a conveying belt is rotatably arranged in the detection table, and an equidistant feeding assembly is sequentially arranged above the detection table. By arranging an overturning assembly and a removing assembly, a to-be-detected product is conveyed on the conveying belt, and when the to-be-detected product passes through a second visual detection module, a two-way air cylinder is started firstly; the two clamping plates are driven to clamp the center of a product and place the product under a detection port, then after detection, a first driving motor starts a rotating rod to rotate, a bidirectional air cylinder is turned over by 180 degrees, the product is turned over, secondary visual detection is conducted on the back face of the product through a first visual detection module, and after a detection result is analyzed through a controller, the product is detected. As long as one-time detection is unqualified, when passing through the rejecting assembly, an electric push rod is started to drive a rejecting plate to push forwards so as to reject defective products.

The invention relates to the technical field of tension detection of new material lining paper, and discloses a cigarette lining paper tensile strength detection device which comprises a detection machine body, two limiting assemblies are arranged on the detection machine body, each limiting assembly comprises a positioning plate, the positioning plates are installed at the top of the detection machine body, rotating grooves are symmetrically formed in the positioning plates, and the rotating grooves are connected with the detection machine body. Limiting nails are rotatably connected to the interiors of the two rotating grooves, limiting plates are symmetrically and fixedly connected to the top of the positioning plate, first reset springs are fixedly connected to the outer walls of the two limiting plates, and the ends, away from the limiting plates, of the first reset springs are fixedly connected to the limiting nails. Inner lining paper is clamped through the first clamping block through the elastic force of the second reset spring, slipping caused by too loose clamping is avoided, the sliding direction of the first clamping block is limited through the positioning column, it is ensured that the clamping force acts on the inner lining paper in the horizontal direction all the time, additional damage of lateral force to a sample is avoided, and the clamping stability is remarkably improved.

In a release paper consisting of a backing paper layer coated on at least one side with PVOH and a silicone coating on at least one side, in which the backing paper layer coated on at least one side with PVOH consists of bleached kraft paper, containing at least up to 30 wt. % softwood and hardwood with a total freeness between 30 °SR and 42 °SR, preferably between 33 °SR and 38 °SR, and processing aids, and also a release layer which is applied at least on one side to the PVOH-coated side of the backing paper layer and consists of 0.5 to 5 g / m2 of a silicone, and wherein the release paper coated at least on one side with PVOH and silicone has a density between 850 and 990 kg / m3, preferably between 900 and 970 kg / m3, and a method for producing a release paper.

A layer destacking system, for destacking a layer from a stacked layer pallet load, including a layer seating platform configured so as to seat the destacked layer on the layer seating platform, a slip sheet detection sensor arranged to sense a slip sheet in contact with the seated destacked layer, a slip sheet pickup removal mechanism, and a controller that receives a signal from the slip sheet detection sensor identifying presence of the slip sheet. The controller is operably connected to the slip sheet pickup removal mechanism so as to actuate the slip sheet pickup removal mechanism effecting discharge of the slip sheet off the layer seating platform.

The utility model provides a feeding alignment device for cylinder measurement and a cylinder detection device provided with the alignment device. The feeding alignment device comprises a driving module and a material taking assembly driven by the driving module. The air cylinder detection device is provided with a transfer table and a detection table, and the material taking assembly is driven by the driving module to move back and forth between the transfer table and the detection table and used for obtaining an air cylinder. The material taking assembly comprises a pneumatic claw clamp and a photoelectric sensor. The pneumatic claw clamp is rotationally arranged, and the photoelectric sensor is arranged on one side of the pneumatic claw clamp; and the photoelectric sensor is used for controlling starting or stopping of rotation of the pneumatic claw clamp. The feeding alignment device for cylinder measurement aims at solving the main technical problem of how to automatically calibrate the position of a slip sheet groove when a device is adopted to sort cylinders.

The utility model discloses a lining paper splitting machine tightness adjusting mechanism which comprises a workbench, the top of the workbench is fixedly connected with a supporting column, the top of the supporting column is fixedly connected with a lifting assembly, the bottom of the lifting assembly is fixedly connected with a splitting knife, the left side of the lifting assembly is fixedly connected with an electric cylinder, and the left side of the electric cylinder is fixedly connected with a lifting handle. The output end of the electric cylinder is fixedly connected with a supporting plate. An operator can slide the sliding block into the limiting frame from left to right, then the compression spring slides into the position between the movable plate and the supporting plate, then the operator starts the electric cylinder to stretch, the stretching amount of the electric cylinder in the device does not need to be adjusted, the electric cylinder stretches to drive the supporting plate and the movable plate to move downwards, and when the movable plate makes contact with stacked lining paper, the supporting plate and the movable plate move downwards. The supporting plate continues to move downwards, then the compression spring is compressed, the compression spring exerts downward pressure on the movable plate, an operator can adjust the degree of tightness of the pressing force of the movable plate on the stacked lining paper by replacing the compression spring, and the device has the advantage of being convenient to adjust.

A sheet grip may be constructed and arranged to prevent sheets from slipping off mattress corners. The sheet grip may include a base including a friction generating layer at least partially surround the base. The sheet grip may include a wall including a friction generating layer at least partially surround the wall. The friction generating layers may be constructed and arranged to prevent sheets from slipping off mattress corners.

The utility model belongs to the technical field of refrigeration compressors, and discloses an air cylinder assembly, a compressor pump body and a compressor. An air cylinder cavity is formed in the center of the air cylinder body, and an air cylinder sliding piece groove is formed in the circumferential wall of the air cylinder cavity in the radial direction. At the notch end of the air cylinder sliding sheet groove, the joint of the groove wall of the air cylinder sliding sheet groove and the peripheral wall of the air cylinder cavity is of a fillet structure. The fillet structure is located on one side of an air suction cavity of the air cylinder cavity. According to the utility model, the local stress condition of the contact part between the notch of the cylinder slip sheet groove and the side wall of the slip sheet is improved, the friction condition of the matching part between the notch of the cylinder slip sheet groove and the side wall of the slip sheet is greatly improved, the lubrication condition between the cylinder slip sheet groove and the slip sheet is effectively improved, the friction loss and abrasion are reduced, and the service life is prolonged. Therefore, the mechanical efficiency of the cylinder assembly and the compressor pump body is improved, and the working performance of the compressor is ensured.

The invention discloses a production process of high-stiffness embossed aluminum foil composite paper. The production process comprises the following steps: (1) selecting and treating raw materials; (2) gluing treatment: uniformly coating the front surface of the lining paper with a modified adhesive by using a coating machine, wherein the modified adhesive comprises modified starch, water, konjac glucomannan, a polyamide curing agent, an accelerant, aluminum sulfate, an AKD emulsion and a defoaming agent; (3) aluminum foil compounding: the aluminum foil is unreeled and attached to the modified adhesive, and then extrusion compounding is performed through a compression roller; (4) embossing and forming: embossing the front surface of the aluminum foil of the aluminum foil composite paper by adopting a heating embossing roller; (5) curing treatment: coating a curing agent on the front surface of the aluminum foil of the aluminum foil composite paper by adopting a micro-concave net roller; and (6) cooling and rolling. The stiffness of the aluminum foil composite paper is effectively enhanced, the bonding capacity between the aluminum foil and the lining paper is enhanced, the smoothness of the surface of the aluminum foil composite paper is remarkably enhanced, the attractiveness is enhanced, and the wear resistance of the aluminum foil composite paper is enhanced.

The invention discloses an automatic composite material tow laying tension control device, relates to the technical field of composite material tow laying, and mainly aims to ensure that the tow laying tension meets the laying process parameter requirements so as to improve the laying quality. According to the main technical scheme, the tension control device for the automatic laying tows of the composite material comprises a tow guide mechanism and a tension reducing mechanism; the filament guiding mechanism is used for stripping lining paper of the filament bundle material roll, adjusting the tension of the filament bundle and then conveying the filament bundle to the tension reducing mechanism, so that the tension reducing mechanism performs tension reducing treatment on the filament bundle; the tension reducing mechanism comprises a first wire feeding part, a first tension control part and a second wire feeding part; the first tension control part is arranged between the first wire feeding part and the second wire feeding part and is used for adjusting the tension of the wire bundle; the first wire feeding part is used for clamping tows discharged from the wire guiding mechanism and conveying the tows to the first tension control part; and the second wire feeding part is used for clamping the tows passing through the first tension control part and outputting the tows out of the tension reducing mechanism.

The utility model provides lining paper for tobacco, which comprises a lining paper roll, the lining paper roll consists of an aluminum foil layer, a waterproof film layer, a kraft paper layer and a composite paper layer, the top end of the aluminum foil layer is connected with the waterproof film layer in a bonding manner, the surface of the waterproof film layer is connected with the kraft paper layer in a bonding manner, and the surface of the kraft paper layer is connected with the composite paper layer in a bonding manner. According to the lining paper roll, the waterproof film layer and the kraft paper layer are matched, so that not only is the waterproof performance of the lining paper improved, but also the structural strength of the lining paper is improved, and cigarettes in a cigarette case are effectively protected.

The invention provides a lining paper winding device applied to a fiber placement machine, the lining paper winding device comprises a driving assembly, a guide assembly, a bearing assembly and a locking assembly, the driving assembly comprises a driving part and a rotating shaft, one end of lining paper is attached to the surface of a lining paper winding drum, the locking assembly is installed at the end of the rotating shaft to clamp the lining paper winding drum, and the lining paper winding drum is wound around the driving part. Then the driving piece is controlled to drive the lining paper reel to rotate so as to wind the lining paper, after winding, the locking assembly is detached from the rotating shaft, the lining paper reel is pulled out of the rotating shaft, and the lining paper reel can be compressed by extruding the lining paper wound outside the lining paper reel due to the fact that the empty groove extending in the axial direction is formed in the surface of the lining paper reel; the outer wall of the lining paper winding drum extrudes the empty groove, the outer diameter of the lining paper winding drum is reduced under extrusion, so that the lining paper winding drum can be taken out from the lining paper wound into the drum, disassembly is very simple and labor-saving, the lining paper recycling efficiency is improved, and the lining paper can be prevented from being damaged.

The invention discloses a built-in current transformer, and belongs to the technical field of current transformers, the built-in current transformer comprises an upper support insulator, a shell, a lower support insulator, a support cylinder, a plurality of coils, a matching tooth assembly, a rack, a slip sheet and an elastic structure, the shell comprises a radial contraction section, a vertical gap between the inner wall of the radial contraction section and the upper port of the supporting cylinder is a shielding gap; the multiple coils sequentially sleeve the outer side of the supporting cylinder in the axial direction, the matching tooth assembly comprises multiple first triangular teeth which are fixedly connected with the outer wall of the supporting cylinder, the racks are parallel to the axis of the supporting cylinder and provided with multiple second triangular teeth, and the upper ends of the racks abut against the lower surface of the sliding piece. The elastic force of the elastic structure is used for forcing the rack to move downwards so that the complete attaching state of the second triangular tooth inclined face and the first triangular tooth inclined face can be changed into the partial attaching state of the second triangular tooth inclined face and the first triangular tooth inclined face. The installation stability and convenience of the coil can be improved.

The utility model relates to the technical field of hinges, in particular to an adjustable anti-pinch garage door hinge. The adjustable anti-pinch garage door hinge comprises a hinge body, a sliding piece is placed at the top of the hinge body, two sets of guide grooves are evenly formed in the top of the hinge body in a penetrating mode, a sliding groove is formed in the top of the hinge body in a penetrating mode and located between the two sets of guide grooves, and a groove is formed in the left side of the hinge body. A mounting groove is formed in the bottom of the groove; according to the utility model, a cross screwdriver is inserted into the cross groove to rotate, so that the worm and the worm gear can be driven to rotate, and the worm gear drives the internal thread sliding block and the sliding sheet to move through the screw rod, so that the effect of quickly adjusting the position of the sliding sheet can be achieved; the stability of the slip sheet after position adjustment can be guaranteed through the self-locking performance of the worm and the worm gear, then the use reliability of the device is guaranteed, and the position adjustment distance of the slip sheet can be accurately controlled through the scale marks.

The invention provides a lining paper cutting and recycling device, and relates to the technical field of cigarette case processing. Comprising an installation part, a cutting assembly, an air suction assembly and a recovery part. A cutting roller in the cutting assembly is rotationally arranged on the installation part, and a window cutting knife is movably arranged on the cutting roller. An air suction roller in the air suction assembly is rotationally arranged on the mounting part and matched with the cutting roller to form a cutting space, the air suction roller is provided with an air suction channel, the negative pressure part communicates with the air suction channel, the second end of the air suction channel is arranged on the side wall of the air suction roller and forms an adsorption opening, and the air suction roller and the cutting roller rotate relatively to complete window cutting of the lining paper. The negative pressure piece can adsorb the window paper to the adsorption opening; the recovery part is connected to the mounting part and corresponds to the air suction roller, and when the air suction roller rotates to the adsorption opening to be opposite to the recovery part, the recovery part can recover the window paper adsorbed to the adsorption opening. The lining paper cutting and recycling device is high in applicability, the requirement for packaging diversity can be met, window paper recycling can be completed, and the machining efficiency is improved.

A sheet postprocessing apparatus includes a table configured to receive a plurality of sheets delivered thereto, and inclined downward toward a downstream side in a sheet delivery direction, a leading edge cursor provided on a far side on the table in the delivery direction, and configured to align respective leading edges of the sheets abutted against the leading edge cursor, and a postprocessing device including a stapling device that binds a central portion in the delivery direction, of the sheets stacked on the table, and a center folding device that folds the sheets along the central portion. The table includes an upper face region that allows the sheet to slide thereon, and a plurality of slip sheets of a belt-like shape, each extending on the upper face region along the delivery direction, with a clearance between each other in a width direction orthogonal to the delivery direction.

The invention provides a corrugated pipe type non-inflatable wheel which is characterized in that the corrugated pipe type non-inflatable wheel comprises a supporting outer ring (3), a supporting inner ring (5), a corrugated pipe (4), a hub (6), a corrugated anti-skid sheet (1) and a reinforcing ring (2), the hub (6) is located in the center of the wheel, the supporting inner ring (5) is arranged on the outer side of the hub (6) in a sleeving mode, the corrugated pipe (4) is installed between the supporting outer ring (3) and the supporting inner ring (5) in the radial direction of the wheel, and the corrugated anti-skid sheet (1) is arranged on the corrugated pipe (4). The outer supporting ring (3) is arranged on the outer side of the hub (6) and the outer side of the inner supporting ring (5) in a sleeving mode, the hub (6), the inner supporting ring (5), the corrugated pipe (4) and the outer supporting ring (3) jointly form a wheel body, and the corrugated anti-skid piece (1) and the reinforcing ring (2) are arranged on the outer supporting ring (3). The non-inflatable wheel is higher in radial bearing capacity, higher in vibration reduction and unit volume material utilization rate and easier to maintain.

The invention relates to the field of cold-rolled steel strip machining, in particular to a steel strip cold-rolling winding device with lining paper and a winding method.The steel strip cold-rolling winding device comprises a winding base, a winding machine and a winding core shaft, the winding base is provided with the winding machine, the winding machine is connected with the winding core shaft, and the steel strip cold-rolling winding device further comprises a winding core plate, a steel clamping mechanism, a paper feeding mechanism and a paper lifting mechanism; a plurality of core rolling plates are arranged on the outer ring of the core rolling shaft, the distance between the core rolling plates and the core rolling shaft can be changed, a steel clamping mechanism used for clamping a steel belt is arranged on each core rolling plate, a paper feeding mechanism used for conveying lining paper is arranged on the rolling base, and a paper lifting mechanism used for lifting and stabilizing the lining paper is arranged on the paper feeding mechanism. The clamping plate of the steel clamping mechanism is opened and clamped at proper time under the cooperation of the first torsional spring and the ratchet assembly, clamping of the steel belt is achieved, the winding stability and applicability are improved, the flatness of lining paper is guaranteed through the pressing effect of the pressing roller on the lining paper, the winding quality is improved, and the purpose of protecting winding of the steel belt is achieved.

To provide a system and a method for automatically removing a backing paper from an uncured pre-impregnated fiber-reinforced polymer layer.SOLUTION: A method of removing a backing layer 120 from a panel 110 formed from an uncured pre-impregnated fiber-reinforced polymer includes orienting the panel in a backing-separation orientation relative to an edge-engagement tool 112. And, positioning the panel in a backing-separation position B relative to the edge-engagement tool. Further, when the panel is in the backing-separation orientation A and in the backing-separation position, moving the edge-engagement tool such that the backing-engagement features 114 of the edge-engagement tool engage the backing layer at only the edge portion of the backing layer, and only the edge portion 122 of the backing layer separates from the panel. The method further includes the step of moving the backing layer such that the entire backing layer separates from the panel when the edge portion of the backing layer is grasped.SELECTED DRAWING: Figure 13

The invention provides an automatic press-in device for a compressor spring, relates to the technical field of compressor pump body assembly, and solves the technical problem of low mounting efficiency of a slip sheet spring in the prior art. The automatic press-in device for the compressor spring comprises a vibration material separation mechanism used for vibrating and separating the spring; the pump body positioning mechanism comprises a righting mechanism and a pressing mechanism, a center hole is formed in the pressing mechanism, the righting mechanism and the pressing mechanism are arranged on the two sides of a conveying line used for conveying the pump body structure respectively, and the righting mechanism and the pressing mechanism are used for positioning the pump body structure and enabling the center hole to be aligned with a spring hole in the pump body structure; the transferring mechanism is used for picking up the springs sorted by the vibration sorting mechanism and conveying the springs into the center hole; and the spring driving mechanism is arranged on the pressing mechanism, and the spring driving mechanism is used for driving the spring in the center hole to move into a spring hole in the pump body structure. The compressor spring automatic press-in device can improve the installation efficiency.

1. The name of this design product: anti-slip sheet. 2. Purpose of this design product: This design product is used to make anti-slip soles or other products that prevent slipping when in contact with the ground. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture. 5. This design shows a thin product, and other views are omitted.

The waste paper collecting device comprises a waste paper conveying mechanism arranged in the isolator, a waste paper collecting box is arranged at the bottom of the waste paper conveying mechanism, a waste paper conveying opening is formed between the waste paper conveying mechanism and the waste paper collecting box, and the waste paper conveying opening is provided with a movable sealing door in a matched mode. And the waste paper conveying mechanism is used for downwards conveying the waste paper in the isolator to the waste paper collecting box. The utility model further discloses an isolator which comprises an isolator cavity, a packing material conveying line is arranged in the isolator cavity, and a robot film tearing station, a heating station, a lining paper taking station and the waste paper collecting device are arranged on one side of the packing material conveying line. The utility model has the advantages that the size of the waste paper conveying port can be reduced, the air leakage is reduced, the air pressure in the isolator is kept stable, and the gas is prevented from flowing backwards.

The utility model relates to a packing machine lining paper negative pressure disc adjusting device, and belongs to the technical field of cigarette production, the packing machine lining paper negative pressure disc adjusting device comprises a calibration device and a positioning round block, the calibration device comprises a calibration plate, a sliding support and a locking wheel sleeve, the sliding support and the locking wheel sleeve are arranged at the two ends of the calibration plate, and the sliding support is provided with an ejector pin positioned with a negative pressure disc air suction hole; through the sliding supports with the ejector pins arranged on the calibration plate, the ejector pin on the sliding support at one end is in contact with the negative pressure disc air suction hole in the right side, the other end is in contact with the negative pressure disc air suction hole in the middle, the problem that the position is judged through visual inspection of a steel ruler is solved, and repeated adjustment of the cog belt is not needed. The position synchronization of the air suction holes of the middle negative pressure disc and the air suction holes of the negative pressure discs on the two sides is guaranteed, the calibration accuracy is guaranteed, the calibration difficulty is greatly reduced, meanwhile, the problem that the eccentric disc is disassembled and reassembled after being adjusted on the negative pressure cutting device is solved, and the calibration efficiency is improved.

Embodiments of the present application provide a polishing head, a polishing device, a polishing method, a processor and a storage medium. The polishing head comprises a base, a retaining ring arranged below the base, a polishing head air film arranged on the base and inside the retaining ring for holding a wafer, and a retaining ring air film arranged inside the retaining ring and between the retaining ring and the polishing head air film. When the retaining ring air film is pressurized and expanded, it is in contact with the edge of the wafer to exert a force on the edge of the wafer, and the force forms a radial clamping force and an axial downward pressure on the edge of the wafer. The radial clamping force can hold the wafer to prevent the wafer from moving during polishing, thereby reducing the risk of a slip sheet. The axial downward pressure can exert a pressing force on the edge of the wafer during polishing, which can more accurately control the polishing effect of the edge of the wafer and ensure the polishing consistency of the entire wafer surface.

The utility model relates to GDX2 packing machine technical field, concretely relates to a kind of GDX2 two aluminium foil paper forming devices, including two wheel mould box and fixed folder, the two wheel mould box with the fixed folder is mutually embedded and is installed, both are installed on GDX2 second wheel by two wheel mould box;Two wheel mould box is equipped with assembly surface, the assembly surface is vertically equipped with columnar protrusion and wedge protrusion;The fixed folder is equipped with the recess that is embedded with the columnar protrusion and wedge protrusion on it.The utility model is improved the structure cooperation of mould box and folder and guide rail, can effectively constrain aluminium foil paper corner, prevent its in conveying process and lift up and collide guide rail, to solve the cigarette packet inner lining paper wrinkle and corner defect.