143results about How to "Avoid glue leakage" patented technology

The invention discloses an injection moulding machine which includes a die locking system and an injection moulding system, wherein the die locking system includes a fixed die plate. The injection moulding system is provided with a servo hydraulic system which is used for driving the injection moulding system to move relative to the fixed die plate. The servo hydraulic system includes a total-moving oil cylinder and a total-moving oil cylinder hydraulic control mechanism which are communicated with each other through an oil pipe. The injection moulding machine is high in universality, is high in sensitivity and control precision, can alleviate nozzle abrasion and prevent rubber leakage, is better in die compatibility and technological adaptability and is low in cost.

The invention relates to an automatic double magnetic circuit assembly device for a miniature loudspeaker with magnetic circuits, and a production technique adopted by the device. The automatic double magnetic circuit assembly device for the miniature loudspeaker is characterized by including a frame, a numerical control device, a loading device, a feeding device and a machining device, wherein a workbench is arranged on the frame; the numerical control device, the loading device, the feeding device and the machining device are all fixedly arranged on the frame; the numerical control device is fixedly arranged at the top end of the frame; the loading device is adjustably arranged on the workbench of the frame; the feeding device is arranged on the two sides of the loading device and fixed on the frame; the machining device is movably arranged on the frame. The automatic double magnetic circuit assembly device for the miniature loudspeaker provided by the invention has the beneficial effects that through the integration of feeding and machining, manual work is replaced by the automatic machine for product machining, so that the production cost is effectively reduced, the machining precision is guaranteed, the product excellence rate is greatly increased, the productivity is improved, and the production cycle is shortened.

The present invention discloses an electric cable line extruder, which comprises an extrusion host machine and at least an extrusion auxiliary machine, wherein the machine head front end of the extrusion host machine is provided with a co-extrusion machine head, the extrusion auxiliary machine comprises a base arranged on one side of the extrusion host machine, the base is provided with a lifting seat in a vertical-lifting manner, a lifting adjusting device is arranged between the lifting seat and the base, the lifting seat is horizontally and slidably provided with a sliding seat, a rotating seat is fixed on the sliding seat, an auxiliary machine frame is fixed on the rotating seat, an extrusion barrel is fixedly arranged on the auxiliary machine frame, an extrusion screw rod is rotatably arranged in the extrusion barrel and is connected with a screw rod power device, the extrusion barrel is provided with an auxiliary machine material hopper and a constant temperature heating device, the extrusion end of the extrusion barrel is provided with an auxiliary machine head, and the auxiliary machine head and the co-extrusion machine head are matched. According to the present invention, the extrusion auxiliary machine can be conveniently arranged and debugged, such that the matching of the auxiliary machine head and the co-extrusion machine head is easy and accurate, and the installation debugging time is reduced.

The invention belongs to the technical field of diodes, particularly relates to automatic packaging equipment for diode production. The automatic packaging equipment comprises a packaging base, wherein an accommodating groove is formed in the packaging base; rubber rings are movably connected to the positions, located on the two sides of the accommodating groove, in the packaging base; the side surfaces of the rubber rings are movably connected with elastic pushing rods; one side of each elastic pushing rod is movably connected with a push column; one side of each push column is movably connected with an L-shaped moving rod; one end of each L-shaped moving rod is fixedly connected with a ratchet column; the side surface of each ratchet column is engaged with a rotating gear; the surface ofeach rotating gear is rotationally connected with a rotating rod; one end of each rotating rod is movably connected with a pushing and pressing rod; one side of each pushing and pressing rod is fixedly connected with a U-shaped base; and a glut dispensing base is arranged on one side of each U-shaped base. When the automatic packaging equipment is used, impurities in the air can be prevented fromcorroding a chip circuit to cause reduction of electrical performance, and the service life of the diode is prolonged.

The invention relates to a Tina multi-nozzle tip hot runner system which is characterized by comprising a flow dividing plate, a main injection nozzle, a sliding gasket, a central gasket, a center pin, an anti-rotation pin and a hot nozzle. A plurality of runners are formed inside the hot nozzle, are branched at a flange and are finally butt-jointed with nozzle tips with the same aperture; and the effect that plastic enters the main injection nozzle from a gun barrel of an injection molding machine, the flow dividing plate for flow division, the hot nozzle for flow division, the nozzle tips and a plurality of mould cavities in sequence is realized.

The invention relates to the technical field of plastic molds, and discloses a high-precision splicing type mold for an injection molding machine. The mold comprises a protective shell, a top end supporting platform, an outer side mold, a conveying mechanism and a central mold, wherein a controller is arranged on the side face of a supporting column on one side of the top end supporting platform, and a top end mold is arranged at the bottom end of the center of the top end supporting platform. A conveying belt with multiple circular holes is arranged, and therefore a central mold head can exactly pass through the circular holes in the ascending and descending process under the accurate control of the controller, and then the conveying belt cannot affect the process that the plastic mold is subjected to the mold assembling and splitting operation. Due to the fact that the controller accurately controls driving motors, a central pushing motor, hydraulic telescopic rods and conveying motors, the plastic part production process of the whole splicing type plastic mold can be accurately and efficiently operated, the whole production process can be orderly carried out, the utilization efficiency of the plastic mold can be effectively improved, the yield of plastic parts is improved, and the production efficiency is improved.

The invention discloses a retractable hot runner system. The system comprises a hot nozzle main body, a hot runner plate, a main nozzle and a driving device which is connected with the hot nozzle main body, wherein the hot nozzle main body is fixedly connected with the driving device, a hot runner hole on the hot nozzle main body is communicated with one end of a hole on the hot runner plate and the other end of the hole is communicated with a through hole on the main nozzle; the hot nozzle main body is provided with a first heating ring, a hot nozzle point and a hot nozzle gate bush and the hot nozzle gate bush is matched and fixed with the hot nozzle point and the hot nozzle main body; the hot runner plate is provided with a heating pipe and a support ring is arranged between the hot runner plate and a padding plate; and a second heating ring is wound outside the main nozzle. Compared with the prior art, the retractable hot runner system has the advantages that: the gate bush is only required to be matched with a die in position, so the die is simpler and the assembly and use of the whole hot runner system are not affected even if the processing precision on a die cavity is a little inaccurate; and meanwhile, the periphery of the gate bush contacts the die cavity exclusively, so thermal loss can be reduced.

The invention relates to the technical field of magnetic material assembly, in particular to full-automatic magnetic material assembly equipment which comprises a workbench, a conveying belt, a bearing plate, a ceramic tube gluing device, a feeding device, a magnetic column gluing device, a moving device, an assembly device and a pressing and sealing device. The workbench is placed on the ground,and the conveying belt is installed at the top of the workbench. The bearing plate is installed at the top of the workbench, the ceramic tube gluing device is installed on the side wall of the bearingplate, the feeding device is installed at the top of the workbench, the moving device is installed at the top of the workbench, the magnetic column gluing device is installed at the top of the workbench, and the assembly device is installed at the top of the workbench and located beside the conveying belt. The pressing and sealing device is installed at the top of the workbench and is located beside the conveying belt. According to the full-automatic magnetic material assembly equipment, inner wall gluing of a thin-wall ceramic tube and outer surface gluing of a magnetic column are conductedfor concentric assembly, so that the automatic assembly efficiency is fully automatically improved, and the phenomena of glue leakage and air holes after assembly are prevented through the pressing and sealing device.

The invention discloses a convenient-to-use knife mechanism of a hot melt adhesive bonding machine. The knife mechanism comprises a steel plate knife body, wherein a heat conducting oil heating cavity is defined in the steel plate knife body, a knife blade is fixedly arranged at the lower end of the steel plate knife body through a knife pressing plate, the upper end of the steel plate knife body is connected with a gear and rack plate through a dowel, a rack and a gear matched with the rack are arranged in the gear and rack plate, a sliding steel frame is arranged at the upper ends of both the steel plate knife body and the gear and rack plate, a connecting rod is arranged in the sliding steel frame through a bearing pedestal, one end of the connecting rod extends into the gear and rack plate and is connected with the gear, the other end of the connecting rod penetrates through a protective cover fixedly arranged on the steel plate knife body and is connected with an adhesive blocking plate moving hand wheel, and an adhesive blocking plate is arranged on the sliding steel frame on one side of the steel plate knife body through a fixing screw.

The invention discloses a preparation method of a pure cotton spunlace composite fabric. The method comprises the following steps of preparing a surface layer from water-repellent cotton fibers, performing spunlace compounding on the pre-wetted surface layer and a structural layer to obtain a water-repellent all-cotton composite surface layer, preparing meshes in the water-repellent all-cotton composite surface layer by adopting a punching process, compounding the structural layer and a flow guide layer, and enabling the flow guide layer to cover the meshes in the water-repellent all-cotton composite surface layer, so that the pure cotton spunlace composite fabric is obtained. The water-repellent cotton fibers are creatively adopted to manufacture the water-repellent pure cotton surface layer, and after the water-repellent pure cotton surface layer and the structural layer are subjected to spunlace compounding, the water-repellent all-cotton composite surface layer with higher strength can be obtained, and the meshes with clearer edges are formed, so that it is guaranteed that the liquid absorption speed of the surface layer is not hindered by edge fibers of the meshes; and in addition, after the water-repellent all-cotton composite surface layer and the flow guide layer are compounded, the liquid absorption speed of the surface layer can be increased through the flow guide layer, and meanwhile the situation of glue leakage of the meshes of the surface layer can be effectively prevented.

The invention relates to a simple glue manufacturing device for a perpendicular plate electrophoresis tank. The simple glue manufacturing device comprises a square cavity and fixed frames arranged on the two sides of the square cavity, wherein the fixed frames are connected with the square cavity through movable clamps; the square cavity comprises a front plate and a rear plate, an opening groove is formed in the top of the front plate, fixed seal strips are embedded in the left edge and the right edge of the rear plate, and a movable seal strip is clamped between the bottom of the front plate and the bottom of the rear plate; the cross section of a clamp groove is in a U shape, and the clamp groove sleeves the lower end of the front plate and the lower end of the rear plate. The simple glue manufacturing device for the perpendicular plate electrophoresis tank is good in seal performance, free of glue solution leakage, simple in structure, convenient to operate, suitable for manufacturing varieties of films and wide in application; in addition, an extra glue sealing process is avoided.

The invention discloses a sliding-block internal plastic filling structure. The sliding-block internal plastic filling structure comprises a supporting block, an ejector pin, a sliding block insert core, a pulling pin and an elastic element; the supporting block is provided with a first supporting arm and a second supporting arm which are arranged to form an right angle, the first supporting arm is connected with a sliding block body, and the second supporting arm is provided with a vertical hole; one end of the ejector pin is fixed to the interior of an upper ejector plate, the other end of the ejector pin abuts against the second supporting arm, and the other end of the ejector pin and the vertical hole are arranged in a staggered mode; the sliding block insert core is connected with the sliding block body, a male mold core and a female mold core are each internally provided with a through groove, and the sliding block insert core is internally provided with a vertical runner for achieving plastic filling molding of a plastic product; one end of the pulling pin is arranged on the second supporting arm and vertically corresponds to the vertical hole, and the other end of the pulling pin penetrates through the through grooves to stretch into the sliding block insert core to abut against the vertical runner; and the elastic element sleeves a segment of outer edge, penetrating through the through grooves, of the pulling pin. According to the sliding-block internal plastic filling structure, plastic filling is achieved through the sliding block insert core from one side face of the plastic product, the structure is suitable for the plastic product of which the appearance face can not achieve plastic filling, and the friction plastic leakage problem of the sliding block insert core and the mold cores is avoided; the mold internal plastic filling structure is low in machining difficulty and machining precision requirement and convenient to machine.

The invention provides a feeding device on an extruder. The feeding device comprises a shell and a main screw rod penetrating through the inner cavity of the shell, wherein a feeding hole is formed on the shell. The feeding device is characterized in that a tapered screw rod is arranged below the feeding hole, the screw edge of the tapered screw rod is meshed with the feeding screw edge of the main screw rod, the tapered screw rod is in linkage with a transmission mechanism of the main screw rod by virtue of a transmission device, and the part, positioned in the shell, of the main screw rod and the tapered screw rod are closed in the shell. The feeding device has the advantages that the tapered screw rod is additionally arranged on the basis of the main screw rod, and the tapered screw rod and the main screw rod are meshed with each other to operate, so that during feeding, materials can just fall in a meshing zone and are quickly sent to the extruding end of the main screw rod under the action of the tapered screw word, and the problem of glue leakage is avoided, so that the raw materials are saved, the phenomena of material scorching and blocking are avoided, and the speed and quality of feeding are improved effectively.

The invention discloses a vacuum assisted method and equipment for preventing outflow of rubber by screw extrusion continuous dehydration drying for achieving the purpose of preventing rubber leakage in dehydration and exhausting by people using an outflow preventing exhaust device with a motor-controlled shaftless spiral device. Compared with a screw thread, the motor-controlled shaftless spiral device can generate higher downward thrust to rubber, so that the rubber slowly fills shaftless space and a spiral to reinforce the outflow preventing effect; water in the rubber escapes by being subjected to mechanical extrusion and two-time negative pressure; water escapes by two-time negative pressure, so that the rubber is dried more sufficiently; and a circuit control device does not need to be connected, so that the operation is convenient.

The invention discloses a press-type guitar brush gluer with controllable glue output, which comprises a glue box, a handle is provided on one side of the glue box; a conical lower glue hopper is arranged at the bottom of the glue box, There is an opening for the lower rubber at the bottom of the lower rubber opening, and an upwardly arched rubber baffle is provided on both sides of the lower rubber opening, and the rubber baffles are partially overlapped. , the lower end of the vertical plate is provided with a square groove, and a slider is arranged in the square groove. There is an annular groove as deep as the rotating shaft, and a movable ring sleeve is arranged on the rotating shaft in the annular groove, and a pressing rod is connected above the movable ring sleeve, and a rubber pressing bar is connected to the top of the pressing rod. The length of the rubber baffles is the same, and the rubber outlet bead is provided with a glue outlet longitudinally. The invention has the characteristics of not leaking glue when not brushing glue, and can timely adjust the glue output when brushing glue.

The invention discloses a glue-volume-controllable glue coating device for guitar glue coating. The glue-volume-controllable glue coating device comprises a glue box, a taper glue discharging hopper is arranged at the bottom of the glue box, vertical plates are arranged on the two sides of the taper glue discharging hopper, square grooves are formed in the lower ends of the vertical plates, sliding blocks are arranged in the square grooves, and compression springs are arranged at the lower ends of the sliding blocks; a first rotating shaft is arranged between the sliding blocks on the two sides, and a glue coating roller is arranged on the first rotating shaft; a stress plate is arranged at the upper end of the outer side of each sliding block, each 7-shaped plate is arranged above the stress plate, corners of the 7-shaped plates are connected to the vertical plates through a second rotating shaft, tension springs are connected to the 7-shaped plates, and the other ends of the tensionsprings are connected to the vertical plates; and a connecting plate is connected between end points of the other ends of the 7-shaped plates on the two sides of a stand column, supporting feet are connected to the lower portion of the connecting plate, a horizontal hand buckling plate is arranged at the middle portion of the connecting plate, and a horizontal handle is connected to the glue box above the hand buckling plate. The glue-volume-controllable glue coating device has the beneficial effects that glue leakage is avoided when glue coating is not carried out, and the glue amount can beadjusted timely during glue coating.