30results about How to "Affect printing quality" patented technology

The invention provides a silk screen printing plate. A screen frame comprises an inner screen frame, a middle screen frame and an outer screen frame. A sliding groove is formed in the middle screen frame. A sliding rail matched with the inner screen frame is formed on the inner screen frame. The middle screen frame is provided with a blocking frame. A plurality of springs are evenly distributed between the inner screen frame and the blocking frame. An adjusting bolt is arranged on the outer screen frame in a matched mode. A silk screen is provided with an adjusting aligning point. An adjusting aligning scale is arranged on the outer screen frame. Accordingly, by means of the silk screen printing plate, silk screen patterns can be adjusted and aligned effectively, high-quality double-printing is achieved, obvious deformation of the silk screen can be avoided effectively, and the printing quality of the silk screen patterns is guaranteed. The invention further provides a double-printing device, the double-station double-printing operation can be achieved, the silk screen printing plate is excellent in effect, and the double-printing efficiency and quality are improved remarkably. The invention further provides a double-printing machine which has the excellent effects of the silk screen printing plate and the double-printing device, and the double-printing efficiency and quality are improved remarkably. The invention further provides a double-printing process. The process is concise and clear and high in double-printing efficiency and quality.

The invention discloses a PVC (Poly Vinyl Chloride) thermal contraction printing film, which is characterized in that 0.8-1.2 parts by weight of cation quaternary ammonium salt or nonionic esters antistatic agent are added into components; the added antistatic agent is firstly coupled and processed by coupling agent adaptive to the antistatic agent; in the film preparation process, the cation quaternary ammonium salt or a nonionic esters antistatic agent solution layer are applied to the surface of the film; and therefore the surface resistivity of the film is 108-1010 omega. Two different applied antistatic agents are applied to successively perform action. On the premise that other performances of the PVC thermal contraction printing film are guaranteed to be substantially unchanged, static charges in the production process are effectively prevented or eliminated from generating and accumulating, and the shortage brought by the static charges is avoided, and pollution on printing because the antistatic agent is excessively separated out can be avoided.

The invention provides a special printer, and relates to the technical field of a printing technical device. The special printer comprises a loading roller and a collecting roller; the collecting roller is connected with a first motor; a printing device, a magnetic orienteering device, and a curing device are further arranged between the loading device and the collecting roller; the printing device comprises an ink applying roller, the upper part of the ink applying roller is provided with a printing roller; the magnetic orienteering device comprises a magnetic orienteering mother set, both sides of the magnetic orienteering mother set are provided with magnetic shield plates; lower ends of the magnetic shield plates are inclined towards the magnetic orienteering mother set. The special printer has the beneficial effects of being simple in structure and low in manufacturing cost; the special printer can satisfy the development demand of high-speed printing at present and is good for popularization and promotion.

The invention discloses a steel band detection device on a color steel plate production line. The device comprises a bottom plate. The central section of the bottom plate is fixedly provided with lower groove steel. The two ends of the lower groove steel are fixedly provided with support columns. The upper end of each support column is fixed to upper groove steel. The central section of the lowergroove steel is fixedly provided with a support seat. A groove channel forms on the upper end surface of the support seat. A pressure spring is arranged on the upper end surface of the support seat ofone side of the groove channel. The two ends of the pressure spring abut against the support seat and a transverse detection plate. The middle inner wall of the pressure spring is fixedly provided with a pressing plate. The high end of a seesaw is located right below the pressing plate and a rolling ball is placed on the low end of the seesaw. The seesaw crosses over the upper portion of the groove channel and a bottom is hinged to the support seat. A guide groove and a through hole which are connected form on the seesaw. The through hole is located right above the groove channel. A switch isarranged in the groove channel. The side wall of the support seat is provided with an alarm lamp. The alarm lamp and the switch are electrically connected in a parallel mode. In the invention, whether a steel band exists in a conveyor line can be detected, and simultaneously, whether the steel band is loosened during a conveying process can be detected too.

The invention belongs to the technical field of shafts, and particularly relates to a transmission shaft. An outer shaft and an inner shaft are included. The interior of the outer shaft is of a cavitystructure, and the inner shaft is inserted and connected in the outer shaft. Rotation grooves are evenly formed in the inner cavity wall of the outer shaft, rotation plates are evenly arranged on theouter wall of the inner shaft, the rotation plates are rotationally inserted and connected in the rotation grooves, one sides of the rotation plates are connected to the side walls of the rotation grooves through elastic seal bags, and the other side faces of the rotation plates are connected to the other side walls of the rotation grooves through air bags. The outer shaft is evenly provided witha set of gas blowing ports, and the gas blowing ports are located above the elastic seal bags. When the outer shaft continuously rotates due to inertia, the rotation plates can extrude the elastic seal bags, meanwhile, gas generated by the elastic seal bags is controlled to be blown out of the gas blowing ports, accordingly, printing materials left on an outer shaft outer ring after printing product printing are cleaned, the situation that when the transmission shaft is used for printing a printing product in the later period, the printing quality of the printing product is influenced is avoided, and accordingly, the practicability of the transmission shaft is improved.

The invention relates to the technical field of printing, and discloses a printing device capable of preventing excessive ink from causing contamination and affecting printing quality. The printing device comprises an ink fountain, wherein an ink coating roller is movably connected to the right side in the ink fountain; an ink storage box is welded to the top of the ink fountain; a funnel groove is welded to the bottom of the ink storage box; and a hole blocking ball is movably connected to the interior of the funnel groove. According to the printing device capable of preventing the excessive ink from causing contamination and affecting the printing quality, when the ink is insufficient, the ink in the ink storage box can enter the ink fountain at the moment, when the ink is sufficient, ink adding can be automatically stopped, and therefore the effect that the usage amount of the ink is strictly controlled, and the printing quality is improved is achieved. When the ink amount is at the maximum value, ink adding is stopped, otherwise, when the ink content is normal, a swing rod can provide supporting force for a second sliding block at the moment, it is guaranteed that ink adding is started when the ink amount is at the minimum value, and therefore the effect that it is guaranteed that the ink content is within a reasonable range is achieved.

The invention relates to the technical field of printing, and discloses an intaglio printing device capable of preventing cloth from being contaminated with dust and preventing printing quality from being affected. The intaglio printing device comprises a supporting table, a trapezoidal plate is welded to the top of the supporting table, an oscillating bar is riveted to the front face of the trapezoidal plate, an arc-shaped cleaning head is fixedly connected to the top of the oscillating bar, a first sliding groove is formed in the oscillating bar, a first sliding block is slidably connected in the first sliding groove, and a first connecting rod is riveted to the front face of the first sliding block. According to the intaglio printing device capable of preventing the cloth from being contaminated with dust and preventing printing quality from being affected, a driving rotary disc drives the first connecting rod to move, at the moment, the arc-shaped cleaning head can sweep the bottom of a cloth body left and right, and therefore the effect of preventing the cloth surface from being contaminated with dust and preventing the printing quality from being affected is achieved. The driving rotary disc drives a second connecting rod to rotate, at the moment, a stirring impeller can stir ink in an ink box, and therefore the effect of preventing ink precipitation from affecting the cloth printing quality is achieved.

The invention relates to the technical field of circuit board printing, in particular relates to a printing machine for penetrating a hole with silver paste of a PCB. The printing machine comprises aworkbench, a lifting rack, a mesh plate and a controller, wherein the lifting rack is arranged on the workbench, the mesh plate is arranged on the lifting rack, the controller is used for controllingthe lifting rack to ascend and descend, a cushion plate is arranged on the workbench arranged below the mesh plate and is used for placing a circuit board, a cleaning brush is arranged on the workbench and is used for cleaning the cushion plate, a driving device is arranged on the workbench and is used for driving the cleaning brush to move and clean along a surface of the cushion plate in a reciprocating way, the driving device is electrically connected with the controller, the controller is used for controlling the driving device to work, and the lifting rack and the driving device asynchronously work. The printing machine for penetrating the hole with the silver paste of the PCB has the advantage that the pollution of the cushion plate is reduced.

The invention relates to an intelligent textile spray printing machine which comprises a workbench, a conveying device and a spray printing device, the conveying device is arranged in the middle of the workbench, the spray printing device is arranged at the upper end of the middle of the workbench, and the conveying device comprises a rubber plate, a sponge block, a first motor, a large gear, a round roller, a supporting plate, a supporting belt, a small gear, a sleeve and a positioning cylinder. According to the machine, textile fabrics are conveyed through the conveying device, the surface of the supporting belt is cleaned, the fabrics obtained after the completion of spray printing are rolled, textile chippings attached to the textile fabrics are cleaned and collected through the sprayprinting device, the textile fabrics are sensed, and when the fabrics are hollow or made of cotton and linen materials, materials sprayed by a first spray head and a second spray head only make contact with the portions where textile fibers exist so that waste of the materials is prevented, subsequent processing is reduced, and the aesthetic degree of spray printing of the textile fabrics is improved.

The invention provides a printing device and a printing method, and relates to the technical field of plane printing. The printing device includes a coating mechanism and a printing mechanism; the coating mechanism includes a coating roller, an ink distribution roller and an ink shifting roller, and the ink distribution roller and the ink shifting roller respectively act on the coating roller; wherein the adhesive force relationships between the coating roller, the ink distribution roller or the ink shifting roller and the liquid metal satisfy the following relationship that: the ink shiftingroller is smaller than or equal to the coating roller and larger than the ink distribution roller, or the ink shifting roller is smaller than the coating roller and greater than or equal to the ink distribution roller. The invention provides the printing device. According to the printing device, the maximum amount of the liquid metal can be attached to the coating roller, the ink shifting roller can drive the liquid metal to be distributed along the axial direction of the coating roller, and the liquid metal attached to the coating roller can be leveled through the distribution roller; and therefore, the requirements of liquid metal printing can be met.

The invention discloses a detecting device of a color plate printing production line. The detecting device of the color plate printing production line comprises a fixing bottom plate; lower groove steel is fixed at the fixing bottom plate; vertical square tubes are fixed at the two ends of the lower groove steel in an inserting manner and the upper ends of the square tubes are fixed at upper groove steel in an inserting manner; a light screen sensor is arranged between the lower groove steel and the upper groove steel and comprises an infrared emitting tube and an infrared receiving tube; theinfrared emitting tube and the infrared receiving tube are respectively fixed in the upper groove steel and the lower groove steel in an inserting manner; L-shaped auxiliary supports are fixed on thefront side walls and the rear side walls of the square tubes; the lower ends of the auxiliary supports are fixed at the fixing bottom plate and bearing seats are fixed at the upper end surfaces of theauxiliary supports; the two ends of a carrier roller is hinged to the bearing seats and vertical inserting grooves are formed in the square tubes and located below the carrier roller; a grating sensor is arranged between the square tubes and consists of an emitter and a receiver which are correspondingly fixed in the inserting grooves of the square tubes. The device is capable of detecting the transportation process of a steel strip and detecting whether the steel strip is slack during the transportation at the same time.

The invention discloses a temperature and air-volume constant value numerical control energy-saving drying device for thin-film printing. The temperature and air-volume constant value numerical control energy-saving drying device for thin-film printing mainly solves the problems that an existing drying device is high in energy consumption, high in drying cost and low in degree of automation. The temperature and air-volume constant value numerical control energy-saving drying device for thin-film printing is characterized in that a draught fan, a second-stage evaporator (5), a condenser (2) and an electric heater are connected into an air inlet channel (6), a first-stage evaporator (4) is connected to an air outlet channel (7) in the shell, an outlet of a compressor (1) is connected with the condenser (2), the first-stage evaporator (4) and the second-stage evaporator (5) in series, an outlet of the second-stage evaporator (5) is communicated with an outlet of the compressor (1), a heat supply temperature detection device and a heat supply air-volume detection device connected with a controller are arranged on the air inlet channel (6), and an air outlet temperature detection device connected with the controller is arranged on an air outlet (8). The temperature and air-volume constant value numerical control energy-saving drying device for thin-film printing has the advantages of being low in energy consumption, low in drying cost and high in degree of automation.