303results about How to "Guarantee coating quality" patented technology

The invention belongs to continuous coating device for solar selective absorption coating in plate-type solar apparatus, in particular relates to a continuous winding magnetic control sputtering vacuum coating device. The continuous winding magnetic control sputtering vacuum coating device comprises an unwinding chamber, a winding chamber, tension controlling chambers, a pre-processing chamber and craft chambers; the unwinding chamber and the winding chamber are respectively arranged at the head and tail ends of the device and respectively connected with a tension controlling chamber; the tension controlling chamber at one end of the unwinding chamber is connected with the pre-processing chamber; at least one craft chamber is arranged between the pre-processing chamber and the tension controlling chamber at one end of the winding chamber; one end of unwinding chamber, one end of winding chamber, two ends of tension controlling chambers, two ends of pre-processing chamber, and two endsof craft chambers are provided with flange plates of the same dimension, the unwinding chamber, the winding chamber, the tension controlling chambers, the pre-processing chamber and the craft chambers are connected into an integral by the flange plates. The invention provides a special coating device for long-term continuous solar selective absorption coating, and the device has the advantages ofhigh production efficiency, stable quality and outstanding film performance.

The invention discloses an automobile body color register coating process. By means of the process steps of drawing confirming, automobile body cleaning, point plotting, location, contour line adhesion, polishing, roughening, cleaning, dust removing, shielding, protection, spray coating, shield removing, miscellaneous paint removing, drying and maintaining which are conducted successively, total planning is conducted to coating work by means of drawings before coating work, locating, wire drawing and other process construction processes are accurate and reliable, and the polishing and roughening processes are conducted before an non-color-register area is shielded. Particles produced in a polishing process are effectively prevented from being adsorbed to the shielded part of the non-color-register area, and a total coating effect and coating quality of the automobile body color register coating process are effectively improved.

The invention discloses a seed coating machine with a dust removal device, which belongs to the technical field of seed coating equipment, and solves the problem that the impurities in the seeds are coated together without impurity removal before seed coating, and the seed coating solution is wasted , including the box, the box is provided with a first filter screen below the feed inlet, a blower is provided on the side wall of the box body, the first filter screen is arranged in an inclined manner, and the end close to the blower is the low end of the first filter screen, The high end of the first filter screen is 8-10cm lower than the blower, the high end of the first filter screen is provided with a flat plate connected to the box, the first conveying device and the mixing bucket are arranged under the first filter screen, and the inside of the mixing tank is provided with Spiral feeder, with multiple spray heads on the lower part of the mixing barrel; an air storage tank and a medicine box under the first conveying device, and a second conveying device and a heating device under the stirring barrel; the side of the box connected to the flat plate A negative pressure device is arranged on the wall, and the negative pressure device includes a negative pressure cover and a negative pressure tube arranged on the negative pressure cover.

The invention provides a painting brush coating and roller coating integrated device. The painting brush coating and roller coating integrated device combines the advantages of the effects of brush coating and no dead corner with the advantage of coating efficiency of roller coating, so that while the coating quality is ensured, construction efficiency is improved, and coating period is shortened. The painting brush coating and roller coating integrated device is characterized by comprising a roller head, a brush head and a gravity constant device, the working position of the brush head is located above the roller head, the axial direction of the brush head is parallel with the axial direction of the roller head, the roller head comprises a roller core and a roller which is installed on the roller core in a freely rotary mode, the gravity constant device is connected with the brush head through a lever, the connection line of the gravity center of the gravity constant device and the supporting point of the lever deflects in the vertical direction, and the brush head and the gravity constant device are located on the same side of the lever, so that the gravity of the gravity constant device plays a role in hampering the brush head to enable the angle between the brush head and a working face to be constant.

The invention provides a panel film laminating machine, and belongs to the technical field of house and home production. The panel film laminating machine comprises a splicing clamping device and a gluing film laminating device. The splicing clamping device comprises a front splicing mechanism, a rear splicing mechanism and a splicing drive mechanism. The gluing film laminating device is arrangedon the upper side of a film laminating platform. A gluing sliding block and a film laminating sliding block of the gluing film laminating device are connected through a synchronous sliding block. A gluing film laminating lead screw and a gluing film laminating lead screw nut are in threaded connection. A gluing lifting support is arranged at the lower end of the gluing sliding block. A gluing roller is rotationally arranged on the gluing lifting support. The film laminating support is arranged at the lower end of the film laminating sliding block. A film laminating roller is rotationally arranged on the film laminating support. A film clamping device is arranged below the synchronous sliding block, and a clamping device travel switch is arranged on a left gluing film laminating lead screwsupport. By means of the panel film laminating machine, cut panels can be subjected to film laminating processing after being spliced and clamped again, the structure is reasonable, the film laminating effect is good, the panel film laminating machine can be applicable to different sizes of panels, applicability is high, and reliability is good.

The present invention relates to one kind of easy-to-regulate paint spraying gun and belongs to the field of painting equipment technology. The paint spraying gun has a gun body, a joint with inner channel to the spout with central hole, a nozzle fixed to the tip of the gun, surrounded with an annular space and with distributed air jet holes, an annular baffle with at least two set of holes and set between the annular space and the nozzle, a clamp nut with notch, and a shifting rod to stretch out from the annular baffle and through the notch. When the shifting rod is located in the first position or the second position, the upper and lower jet holes or the left and the right jet holes are made to communicate without annular space. The easy-to-regulate paint spraying gun may be regulated fast in the spraying form so as to ensure the painting quality.

The invention discloses a film coating mechanism for yarn balls. The film coating mechanism comprises a film coating support and a mounting plate arranged on the top of the film coating support, and further comprises a film feeding assembly and a film winding assembly. The film feeding assembly comprises an upper film clamping assembly arranged on the mounting plate and a lower film clamping assembly corresponding to the upper film clamping film assembly and arranged on the lower portion of the film coating support. A film coating gear ring is movably arranged in the middle of the mounting plate, a rotating motor is connected with one side of the film coating gear ring, the film winding assembly is arranged on one side of the film coating gear ring, and the film coating gear ring drives the film winding assembly to rotate. Coating films can be automatically conveyed to the side walls of the yarn balls through longitudinal moving and synchronous horizontal moving of the upper and lower film clamping assemblies, and film feeding is completed; right after each yarn ball is wrapped with one layer of coating film, the coating film is loosened, so that the problem that the coating films cannot cover the surfaces of the coating films is effectively avoided.

The invention provides a method for preparing a boron carbide coating through plasma spraying. The method comprises the steps that: step (1), boron carbide powder and carbon powder are uniformly mixed; and the mixed powder is delivered into a plasma spraying device; step (2) the surface of a substrate requiring spraying is pretreated; step (3) plasma spraying is carried out on the surface of the substrate by using the plasma spraying device, such that the boron carbide coating is prepared. According to the invention, the coating is prepared through a carbon-doped B4C powder plasma spraying method. When jet flow is ejected, graphite powder take the priority to react with oxygen, such that B4C oxidation is avoided; with the addition of carbon, B4C high-temperature decomposition is inhibited, such that B4C loss under high temperature can be reduced or even prevented, and B4C coating with good performance can be obtained; with carbon doping, no impurity element is introduced into the coating, such that coating quality is ensured; also, with the addition of graphite powder, powder fluidity is increased, and spraying is facilitated.

The invention discloses a seed coating machine with a filter device, which belongs to the technical field of seed coating equipment, and solves the problem that the impurities in the seeds are coated together without removing impurities before seed coating, and the seed coating liquid is wasted , including a box body, the box body is provided with a filter screen under the feed port, and a blower is arranged on the side wall of the box body above the filter screen, and the blowing direction of the blower is the same as the transmission direction of the first conveying device. A first conveying device is arranged below the filter screen, and a stirring bucket is arranged at the output end of the first conveying device. The inside of the stirring bucket is provided with a spiral feed channel, and a motor that drives the spiral feed channel to rotate is arranged above the mixing bucket. A plurality of spray heads are arranged at the lower part of the barrel; an air storage tank and a medicine box are arranged under the first conveying device, and the outlet of the medicine box is connected with the spray head through a second pipeline; a second conveying device is arranged under the mixing bucket, so the A heating device is arranged below the second conveying device.

The invention discloses a compression roller device of a winding mechanism of a coating machine. The compression roller device comprises a tension adjusting roller fixed to a rack, wherein a compression roller abuts against one side of the tension adjusting roller; a base material winds round the tension adjusting roller for more than half a circle of the tension adjusting roller; and the base material is driven by a vacuum absorption roller to a dryer after being driven to a coating structure. The compression roller device of the winding mechanism of the coating machine has the advantage that the quality of products is not affected when the machining speed is increased.

The invention discloses an enamelling machine for cable production, and relates to the technical field of cable enamelling. The enamelling machine comprises a first mounting plate, a wire feeding assembly, a cleaning assembly, a paint spraying assembly, a drying assembly and a take-up assembly. The wire feeding assembly is fixedly arranged on one side of the first mounting plate. The cleaning assembly is fixedly arranged at the working end of the wire feeding assembly. The paint spraying assembly is fixedly arranged in the middle of the first mounting plate, the drying assembly is fixedly arranged beside the paint spraying assembly, and the take-up assembly is fixedly arranged on the other side of the first mounting plate. The working efficiency is improved, the automation degree is high,the quality of enameling operation is guaranteed, the labor intensity of workers is reduced, and the practicability of the device is greatly improved.

The invention relates to a metal cleaner used for a coating production line and a preparation method thereof. The metal cleaner consists of the following components in percentage by weight: 10 to 14 percent of triethanolamine, 2 to 4 percent of neodecanoic acid, 6 to 12 percent of dodecyl polyglycoside, 10 to 15 percent of heterogeneous XI alcohol ethoxylate, 10 to 15 percent of block polyether of ethylene oxide and propylene epoxide, 20 to 25 percent of caster oil diethanolamide-based non-ionic surfactant, 0.1 to 0.2 percent of styrene triazole and the balance of water. The appearance of the metal cleaner is transparent light yellow liquid; and when the metal cleaner is diluted at the concentration of 5 percent with water, the pH value is between 8.2 and 8.8. The metal cleaner is particularly suitable to be used for cleaning a metal workpiece on a coating production line before coating, meets the requirement on environmental protection, and has the characteristics of high cleaning performance, long service life, low foam, high compatibility with anti-rust oil and anti-rust paint, low influence on rubber plastic parts, high cost performance and capacity of replacing similar imported cleaner products.

The invention relates to bore-rotating plasma spraying special equipment which comprises a powder, plasma gas, shielding gas, cooling air, cooling water inlet and backwater rotary conveying mechanism, an electric slip ring, a transmission mechanism, a coupling assembly and the like. Through the equipment, a bore plasma spraying gun can rotate 360 degrees continuously and endlessly, and stable transmission of powder, plasma gas, cooling air, cooling water inlet and backwater and current can be guaranteed. The equipment is suitable for plasma spraying of automobile engine cylinder bores, cylinder sleeves and other bore parts. The rotating plasma spraying equipment can make the bore gun rotate 360 degrees continuously and maximize the spraying distance by the utilization of centrifugal force so as to guarantee enough spraying distance, avoid overheating of workpieces, reduce internal stress and ensure coating quality.

An intelligent integrated controller of a vacuum multi-arc ion plating machine comprises a singlechip, a touch display unit, an A/D conversion unit, a D/A conversion unit, an amplifier unit, a drive unit, a relay unit, and a switch value input unit. With the controller, an operator can input a prepared plating production technique via the touch display, and then the controller realizes the intelligent integrated control of the plating machine by controlling the vacuum pressure, the electric arc source current, the plating chamber temperature, the workpiece negative bias, and the aeration flow of the vacuum multi-arc ion plating machine and controlling the a vacuum pump, a solenoid valve and other devices according to the input technique. Thus, the vacuum plating technique is stabilized to guarantee the plating quality and the equipment safety.

The invention relates to a multilayer laminating machine comprising an unwinding device, a corona machine, laminating extrusion devices, calendering devices and a winding device. A plurality of groupsof laminating extrusion devices and calendering devices are provided, and a dust removal device is arranged between the unwinding device and the corona machine; dust collection devices are arranged at the exteriors of the laminating extrusion devices and the calendering devices; the dust removal device comprises a dust chamber with openings in the two ends of the lower part, and an air-blasting nozzle used for blowing dust is arranged in the dust chamber, and connected with an air blower; a dust suction nozzle used for sucking the dust is arranged in the dust chamber, and connected with a dust collector; and a separating plate is arranged between the air-blasting nozzle and the dust suction nozzle, and both openings of the air-blasting nozzle and the dust suction nozzle face the bottom wall of the dust chamber. According to the multilayer laminating machine, the dust adhering to the surface of base materials is blown through air flow sprayed out from the air-blasting nozzle, and flying dust in the dust chamber is sucked through the dust suction nozzle; the cleanliness of the base materials is improved, and the cleanliness of the base materials and lamination layers in the laminating process can be further ensured through the dust removal device, so that the laminating quality is ensured.