993results about How to "Improve packaging quality" patented technology

Disclosed is a material packing device, which contains a film feed device, a charging device and a packaging film forming enveloping device, and is characterized in that: said film feed device contains a film cutting mechanism; said packaging film forming enveloping device contains a packaging film supporting board fixed on the stand, the supporting board being equipped with material through-holes, all shapes and dimensions of which match with pre-packaging material; and the packaging film forming enveloping device contains a packaging film former above the material through-hole, a material fixing clamping part and material pushing part above the packaging film former, a group of material floor packaging hands and a scalding enveloping plate for enveloping packaging film of material floor between the packaging film former and the material clamping part, and a material lifting part which can send the material to material fixing clamping part from below the packaging film supporting board; the material fixing clamping part and material pushing part which moves vertically. The device can complete automatically the packaging of material, especially the rectangle material, the packaging quality perfect and stable, and the work efficiency high.

The invention discloses a fluorescent glass sheet and a preparation method thereof. A pulp layer with fluorescent powder is coated on the surface of a glass substrate sheet, wherein the main ingredients of the pulp consist of low-temperature glass powder, fluorescent powder, an intensifier, an adhesive, a dispersing agent and the like; the glass substrate sheet coated with the pulp layer is sintered; and the glass sheet with the fluorescent powder is obtained by controlling the sintering process. The fluorescent glass sheet is mainly applied to LED (Light Emitting Diode) packaging, the fluorescent powder preparation process can be reduced, and the packaging material and process cost are reduced; due to the high heat conductivity and the heat stability of the fluorescent glass sheet, the performance and the reliability of an LED module and a lamp can be remarkably improved; and at the same time, as the surface fluorescent powder layer is uniform in thickness and is far away from an LED chip, the LED packaging quality can be improved, and the effective control on color temperatures, chromaticity coordinates and color rendering indexes is realized. The fluorescent glass sheet can be used for packaging LED chips of various colors, can realize the single LED chip packaging and can also be used for multi-chip array LED module and LED lamp packaging, so that the method is simple and easy to carry out, and the fluorescent glass sheet is suitable for production in scale.

The invention provides a novel packing machine. A vertical mounting plate is arranged at the lower half part of the packing machine, a horizontal mounting plate is fixed at the upper part of the vertical mounting plate, a fixing frame is arranged at the upper half part of the vertical mounting plate and wraps the left part, right part and upper part of an article banding station, the mounting plates and the fixing frame are arranged on a rack of the packing machine, and a tape spool is arranged at the lower part of the packing machine; and a movement of the packing machine and a pre-sending belt device are arranged on the horizontal mounting plate, a retreating belt and tensioning belt device is arranged in the movement of the packing machine and comprises a retreating belt mechanism and a tensioning belt mechanism. According to the novel packing machine, all the functional devices are reasonable in configuration and convenient and simple in control, the packing quality can be improved, and the comprehensive improvement of the packing efficiency and the reliable work can be facilitated.

A self-locking fastener includes a base member and a clip member. The base member includes a buckle base, a buckle point and a buckle pin. The clip member includes a plurality of resilient locking arms disposed toward one side thereof. When the clip member is coupled to the base member, the buckle point of the base member extends out along the resilient locking arms. The resilient locking arms are fitted on the buckle pin. Free ends of the resilient locking arms lean against the inner end of the buckle point to stop the buckle point from sliding out along the resilient locking arms. Through the resilient locking arms and the buckle point, the free ends of the resilient locking arms are to lean against the inner end of the buckle point to achieve a self-locking connection of the base member and the clip member. The structure of present invention is simple. When packing a product, the two sheets of material are only required to have holes. The buckle point is inserted through the holes and coupled to the clip member so as to fix the two sheets of material. When detached, the connection of the buckle point and the buckle pin is cut off so as to detach the base member from the clip member. It is easy and convenient to use and operate the present invention, without the need to use a special apparatus. This can lower the packing cost.

The invention discloses an automatic film sealing machine for welding rods, comprising a conveyor belt, an upper film feeding mechanism, a lower film feeding mechanism, a side film sealing mechanism, two end sealing mechanisms and a pushing mechanism, wherein the pushing mechanism is arranged at the right side of the conveyor belt and is vertical to the direction of the conveyor belt, and a pushing reciprocating unit is arranged on the pushing mechanism; the side film sealing mechanism and the end sealing mechanisms are sequentially arranged at the extending parts of the pushing mechanism at the left side of the conveyor belt, and the height of a side film sealing worktable and an end sealing conveyor belt are equal to the height of the conveyor belt; a plastic film which connected with an upper rolling film and a lower rolling film into a whole is arranged between the side film sealing mechanism and the conveyor belt, and the upper and the lower film feeding mechanisms are respectively arranged at the upper and the lower parts of the side film sealing worktable; and the two end seal mechanisms have the same structure and are symmetrically arranged at the front and the rear sides of a welding rod packing box moving forward. The invention has the beneficial effects that: two operations of bagging and sealing are reduced, and the labor intensity is decreased; and the outer packing quality of the product and the humidity resistance are improved.

The present invention provides a QFN package structure, comprising a chip carrier and at least a chip. The chip is disposed on the top surface of the chip carrier, while the back surface of the chip carrier includes a plurality of flat no-lead conductive leads as I/O pads of the chip carrier for the external circuitry. A plurality of pads, corresponding to bonding pads of the chip, is disposed on the top surface of the chip carrier. The aforementioned package structure can employ wiring bonding technology, flip chip technology or surface mount technology to attach the chip to the chip carrier.

The invention discloses a full-automatic film seal-cutting packaging machine. The full-automatic film seal-cutting packaging machine is characterized by comprising a machine frame, a film conveying and sleeving device, a seal-cutting device and a conveying device; the conveying device comprises a first conveying mechanism, a second conveying mechanism and a third conveying mechanism; the seal-cutting device comprises an upper seal-cutting piece, a lower seal-cutting piece, a vertical rod and a swing piece; when the swing piece is driven to rotate in the forward direction or in the backward direction, the upper seal-cutting piece and the lower seal-cutting piece are driven to get close to or get away from each other; the swing piece is arranged movably in the vertical direction, so that the seal-cutting position when the upper seal-cutting piece and the lower seal-cutting piece are folded and the relative height of the working plane of the conveying device are adjusted; the machine frame is provided with an encoder and a programmable controller; the encoder is used for monitoring the stir quantity in real time and feeding the stir quantity back to the programmable controller; and the driving distance of a second motor is the new film packaging length of a packaged product. By the adoption of the full-automatic film seal-cutting packaging machine, the front film allowance length and the rear film allowance length of the product can be kept consistent, the height of a longitudinal seal-cutting mechanism can be easily adjusted according to to-be-packaged objects of different specifications, and the packaging quality is improved.

This invention relates to a heat pipe vacuum sealing method and device, characterized in that it uses heat transfer agent heat exchanging equipment to seal. The sealing method comprises the following steps: a) preparing the sealing hole in the heat pipe to be sealed; b) evacuating and charging pump in vacuum chamber; c) welding the sealing to the prepared sealing hole by the friction welding or ultrasonic welding, forming sealing welding. The sealing device comprises vacuum generating system, a heat pipe to be sealed, an orientation fasten system and a prefilling system, wherein the heat pipe and the orientation fasten system are set in the vacuum chamber, after evacuating and prefilling, the fasten system will grasp the sealing block to the sealing hole to weld.

A method for wrapping a load with a film by a wrapping machine including an unwinding apparatus provided with a reel of the film includes moving the wrapping apparatus and the load in relation to one another and unwinding from the reel an established effective length of film per revolution of the wrapping apparatus or of the load. The established effective length of film is calculated with the formula: where: S_f. initial length of film is determined on the basis of dimension and/or shape of the load; w: rotation speed around a wrapping axis of the unwinding apparatus or of the load; V_t: movement speed of the unwinding apparatus parallel to the rotation axis; ^ωmax: maximum rotation speed around the wrapping axis of the unwinding apparatus or of the load; Δ_corr: corrective parameter.

A packaging case adapted for packing an article therein includes a fastening shell and a plurality of buffering elements. Each wall of the fastening shell defines at least one insertion hole. The buffering elements are dismountably inserted into the insertion holes of the fastening shell with tops thereof projecting out of the insertion holes. The fastening shell and the buffering elements are designed separately, so the buffering elements fully afford an external force struck on the buffering elements for effectively preventing cracks being caused between each buffering element and the fastening shell. Accordingly, the fastening shell is designed with a thinner thickness to lower a material cost and a transportation cost. Furthermore, the buffering elements assembled to the fastening shell are changeable to make the buffering elements dismountably inserted into the insertion holes properly and simply. So a better buffering function of the packaging case is realized.

The invention discloses a tinned cigarette packing machine comprising a rack which is provided with a working platform. The working platform is provided with a front driven sprocket and a rear driving sprocket, wherein the driving sprocket is connected with a stepping main driving mechanism which drives the rear driving sprocket to rotate; the front driven sprocket and the rear driving sprocket are respectively tensioned with a chain, the chain is provided with a can clamp, and the chain and the clamp form a conveying chain; a turntable is arranged in front of the working platform, the center of the turntable is provided with a turntable spindle which is connected with the output shaft used for rotating a driving motor; the turntable is provided with an outlet, the back of the outlet of the turntable is communicated with a conveying rail used for conveying the cigarette tin, and the rear end of the conveying rail is connected with the conveying chain; the upper part of the conveying chain sequentially comprises a lining paper supplying and canning station, a drawing paper supplying and canning station, a cigarette supplying and canning station, a bottom cover paper supplying and canning station and the bottom cover supplying and canning station from front to back in conveying direction. The invention realizes automatic packing of tinned cigarettes.

The invention discloses a full-automatic single wet tissue packaging machine, which comprises a rack and optical fiber probes mounted on the rack, wherein a rotary shaft for fixing a raw material, a feeder for feeding the row material, a lifting air cylinder for controlling the feeder to move up and down, a correcting mechanism for correcting the row material, a longitudinal folding mechanism, a horizontal folding mechanism, a cutting mechanism, a wrapping mechanism, a rotary shaft for fixing a packaging film, a coding machine for printing the packaging film, a packaging film pulling mechanism for conveying the packaging film, a longitudinal packaging film sealing mechanism, a packaging film pulling exhaust mechanism, a horizontal packaging film sealing mechanism, a blowing removing nozzle, a finished product conveyer belt, a counting and stacking mechanism and an electric control box for controlling the operation of each mechanism are arranged on the rack. The full-automatic single wet tissue packaging machine solves the problem of raw material waste caused by the incorrect folding width of the material, can automatically inspect products, increases the packaging quality of the products, has an automatic counting and stacking function, and solves the problem that manual counting is difficult.

A structure and method for air cavity packaging, the structure comprises a carrier having plural die pads and leads, plural dies, plural wires, plural walls, and a lid. The dies are mounted on the die pads. The wires electrically connect the dies to the leads. The plural walls are disposed on the carrier and form plural cavities in a way that each cavity contains at least one die pad and plural leads, and each wall is provided with at least one air vent for exhausting air to the outside. The lid is attached on the plural walls via an adhesive agent to seal the plural air cavities, so that the plural connected air cavity packages are formed.

The invention discloses a fan-out package method of an embedded silicon substrate. The fan-out package method comprises the following steps of firstly, embedding a chip onto a silicon substrate wafer in a wafer level; secondly, laminating a plurality of silicon substrate wafers on a panel for panel level package during a fan out process; and finally, fabricating salient points or planting welding balls in the wafer level. According to the fan-out package method, the chip is embedded onto the silicon substrate wafer and then panel level package is carried out, the maneuverability and the accuracy of package are improved, and the warpage of a panel is reduced; the comprehensive alignment accuracy is improved by respective alignment adjustment on each wafer during direct laser exposure in the panel level process, so that fan-out package processing of a fine-pitch bonding pad chip is facilitated; and during the process from wafer level package to panel level package, the advantages of wide metal wiring line width, small line distance and high accuracy of wafer level package and the multiplied package quantity of the panel level package are combined, the package quality and efficiency are obviously improved, and the package cost is greatly reduced.

A three-roller tire packaging machine comprises a base, wherein a vertical plate is installed on the base, a first rotating wheel and a second rotating wheel are respectively arranged on two sides of the vertical plate and connected with corresponding riding wheels driving belts. A plurality of connecting wheels are installed on the side wall of one side of the vertical plate, at least one connecting wheel is connected with a second motor, annular rotating rings are installed among the connecting wheels in a matched mode, winding drums are installed on the rotating rings and wrapped by packaging belts, a first opening is formed in the vertical plate, and second openings are formed in the rotating rings. A pressing device is arranged at the top end of the vertical plate. The three-roller tire packaging machine has the advantages that the machine supports a tire through two riding wheels, the pressing device is in contact with the upper end of the tire, the tire is in contact with the winding drums on the rotating rings and evenly wrapped by winding the packaging belts so that the tire is kept stable and does not deform in the rotating process, and the tire packaging quality is improved.

The invention discloses intelligent adjustable bread packaging equipment which comprises a conveying device used for conveying bread to be packaged. The conveying device is provided with a horizontally-arranged chain plate conveying belt. The feeding end of the chain plate conveying belt is provided with a fault recycling device. The discharging end of the chain plate conveying belt is provided with a separation groove. One side of the separation groove is provided with a pushing device which pushes bread in the separation groove to a packaging device opened by a bagging device. A packaging bag used for the bagging device is output by an adjustable packaging bag output device and transferred by a taking device. The fault conditions can be intelligently avoided, intelligent seamless connection of the packaging process is achieved, labor is reduced, the production efficiency is greatly improved, the cost is saved, adjustment can be achieved according to different sizes of packaging bags, accordingly, different specifications of products can be packaged, the applicability is high, the structure is simple, and adjustment is convenient.

This invention provides a method and device to clamp and shape the metallurgical bar material before baling; wherein, the method comprises two steps: first, holding up the material on conveying trough bottom to make material on sides of baling form place lay on guide slope, arranging the near material on interlaced place along the opposite movement direction of front and back jaws; second, the front and back jaws extrude the bar material toward upper space till clamp and shape. The jaw of this device can be integrated or combined type, wherein the latter can clamp small and large size bar materials into circular and hexagon separately. The invention has special form process with wide size and long service life.