56results about How to "Control the amount of extrusion" patented technology

The invention relates to a toothpaste squeezing device, and aims to provide a toothpaste squeezing device which is easy and convenient to operate, saves labor and can control the squeezing amount of toothpaste effectively and reduce waste. The toothpaste squeezing device comprises a support, a squeezing mechanism, a draw-off mechanism and a clamping mechanism, wherein the squeezing mechanism consists of two rollers which are parallel up and down in the axial direction and a spring, and the two rollers are closed by the spring; the draw-off mechanism consists of a handle, a gear, a rack, a propelling ratchet wheel and a backstop ratchet wheel; a sliding chute in which the rack can slip is formed on the support; the gear is meshed with the rack; the propelling ratchet wheel is matched with the handle to push the gear to rotate; the backstop limits the reversing rotation of the gear; and the clamping mechanism consists of a clamp and a clamping plate, is fixedly connected with the rack of the draw-off mechanism and slips with the rack. The toothpaste squeezing device has a novel structure, can be hold and operated by one hand, is easy, convenient, labor-saving and convenient to carry, and can control the squeezing amount of the toothpaste effectively, overcome the defect that the toothpaste is left on the tail part of a toothpaste tube, save resources effectively and avoid waste.

The invention discloses an electric shoe polisher which comprises a handle, a brush and a cream storage device. The brush comprises a shoe cream brush roll and a polishing brush roll, the shoe cream brush roll, the polishing brush roll and the cream storage device are arranged at an end of the handle, the axis of the shoe cream brush roll is parallel to the axis of the polishing brush roll, a power device which is used for driving the shoe cream brush roll and the polishing brush roll to rotate synchronously is arranged in the handle, the cream storage device comprises at least one cavity and at least one squeezing mechanism, the cavities are used for accommodating shoe cream, and the shoe cream in the cavities can be squeezed onto the shoe cream brush roll by the squeezing mechanisms. The electric shoe polisher has the advantages that cream applying and polishing can be synchronously carried out on a leather shoe, accordingly, the electric shoe polisher is high in work efficiency, the shoe cream can be prevented from splashing out when applied to the shoe, and wastage of the shoe cream can be prevented.

The invention discloses a washing machine and a detergent feeding device thereof. The detergent feeding device comprises a storage box, wherein a piston is arranged inside the storage box; the inner space of the storage box is separated into a detergent cavity used for containing detergents and a water containing cavity by the piston; the water containing cavity is connected with a running water pipe through a water supply pipeline; a control valve is arranged on the water supply pipeline; and the control valve can control the water supply amount in the water containing cavity according to the weight of washings in the washing machine. According to the arrangement, the detergent feeding device of the washing machine provided by the invention is relatively low in cost.

The invention discloses a medical ointment tube, comprising a tube body whose one end is sealed and the other end is provided with an opening. A cladding bag is arranged abutting against the inner wall of the tube in the tube body, and the cladding bag divides the tube body into an upper cavity and a lower cavity which are not communicated with each other. The cavity in the cladding bag is a placing cavity used to store contents. The cavity under the cladding bag is an air cavity. The air cavity is connected with an air bag used to inflate the air cavity. The air bag is on the outer side of the placing cavity and is close to a tube mouth. The air outlet end of the air bag is communicated with the air cavity through a pipe. The medical ointment tube solves a problem in the prior art that a thick content in the packing tube cannot be used up.

The invention relates to the technical field of elevators, and discloses an elevator overhaul protection safety device which comprises a supporting mechanism, two protection mechanisms and an overhaul mechanism. The supporting mechanism comprises a base, a soft cushion is fixedly connected to the top surface of the base, a pedal is fixedly connected to the top surface of the soft cushion, and the two protection mechanisms are arranged on the two sides of the top surface of the soft cushion correspondingly. Each protection mechanism comprises a connecting base, the connecting base is fixedly connected to the top face of the soft cushion, and the soft cushion is filled with hydraulic oil. A connecting rod A is fixedly connected to the end, close to the outer side of the soft cushion, of the connecting base, a hole is formed in the end, away from the connecting base, of the front face of the connecting rod A, and a connecting rod B is sleeved with the hole. A clamping jaw is fixedly connected to the end, far away from the connecting rod A, of the connecting rod B. Due to arrangement of the protection mechanisms, When a maintenance worker steps on the upper portion of an elevator, the clamping jaws are automatically connected with steel cables, the steel cables are used for limiting the elevator and improving the stability of the elevator, so that the maintenance worker overhauling from the upper portion of the elevator is protected, the protection process is automatic, use is made convenient, and the efficiency is high.

The invention belongs to the technical field of composite board production equipment, and particularly relates to a composite device of a foamed aluminum multi-layer composite board and a production process. The composite device comprises a board placing platform, a dispensing mechanism, a glue injection mechanism and a driving mechanism; the glue injection mechanism is pressed downwards towards the dispensing mechanism to enter a corresponding glue storage cavity; the driving mechanism pushes glue in the glue storage cavity to be extruded out along the dispensing mechanism so as to be dispensed in an area where the glue makes contact with an aluminum frame; after the driving mechanism abuts against the dispensing mechanism, the driving mechanism pushes the dispensing mechanism to move upwards so as to jack up the aluminum frame, the glue flows along the position corresponding to a dispensing part to the position corresponding to a supporting part, and after dispensing is conducted on the aluminum frame, a foamed board is inserted to form the foamed aluminum multi-layer composite board; and through cooperation of the dispensing mechanism and the driving mechanism, the aluminum frame can incline after dispensing, so that glue is dispersed from points to surfaces, the contact area of the aluminum frame, the foamed board and the glue is increased, and the compounding effect and the structural strength can be enhanced.

The invention discloses a throat pipe structure for a 3D printer, a nozzle device and a desktop grade 3D printer. The throat pipe structure comprises a heat dissipating cold area and a heating hot area. The heat dissipating cold area comprises a titanium throat pipe outer pipe body and a polytetrafluoroethylene throat pipe inner pipe body. The polytetrafluoroethylene throat pipe inner pipe body issleeved with the titanium throat pipe outer pipe body. The heating hot area comprises a heating block connecting area and a nozzle connecting area. The heating block connecting area is located on theouter side of the heating hot area. The nozzle connecting area is located below the heating hot area. The heating hot area further comprises a heat insulating area connected with the titanium throatpipe outer pipe body so that the range of the heating hot area in the throat pipe structure can be reduced and the extrusion amount of printing materials can be controlled. The throat pipe structure solves the technical problem that the printing effect is poor. The 3D printer is simple in structure, convenient to install, high in precision and stable in quality.

The invention relates to the technical field of polygonatum sibiricum extraction, and discloses a device for extracting polygonatum sibiricum polysaccharides from polygonatum sibiricum stems and leaves for traditional Chinese medicines. The device comprises an extraction base, a grinding base is rotatably connected to the interior of the extraction base, a rotating shaft is rotatably connected tothe interior of the grinding base, a vibrating rod is movably connected to the outer surface of the rotating shaft, a grinding head is movably connected to the outer surface of the vibrating rod, a screening net is movably connected to the interior of the grinding base, a centrifugal base is movably connected to the position, located on the outer surface of the grinding base, of the interior of the extraction base, a protection frame is fixedly connected to the interior of the centrifugal base, and a T-shaped column is movably connected to the interior of the protection frame. During use, an ethanol mixed solution can be automatically introduced, so that the device is convenient to use and does not need to be operated by a worker; and meanwhile, the deformation quantity of the storage bagcan be controlled according to the rotating speed, and the extrusion quantity of the ethanol mixed solution is further controlled, so that the polygonatum sibiricum extracting efficiency is improved to a certain extent.

The invention discloses a toothpaste box which is used for extruding toothpaste from a toothpaste shell. The toothpaste box comprises a shell, a support is installed in an inner cavity arranged in theshell, a sliding base is installed on a guide rail arranged on the support, a pressing roller is installed on the sliding base, one end of a roller shaft stretches out of a communication port formedin the side wall on one side and provided with a rotary knob, the front end of the support is hinged to the inner wall of the front end of the shell, a compressed spring is installed between the rearend of the support and the inner wall of the shell and used for compressing the rear end of the support, and the side wall of the front end of the shell is provided with an installation opening through which a port of the toothpaste shell stretches out. The toothpaste shell below the toothpaste box is extruded downwards and pushed forwards through the pressing roller which can roll forwards, therefore, toothpaste in the toothpaste shell is extruded from an outlet in the front end, the toothpaste shell is supported by the bottom face of an inner cavity of the shell and directly pushed downwardsthrough the pressing roller, the pressing roller can move downwards along with swing of the support to reduce the distance between the pressing roller and the bottom face of the inner cavity, therefore, the toothpaste box is applicable to toothpaste shells with different thicknesses and can extrude various toothpaste shells sufficiently, the residual amount of toothpaste is reduced, and toothpaste waste is reduced.

The invention discloses an auxiliary medicine feeding device for mental nursing, and belongs to the technical field of medicine feeding devices. An auxiliary medicine feeding device for mental nursing comprises a cylinder, one end of the cylinder is fixedly connected with a filling nozzle, the filling nozzle is internally provided with a first connecting cavity and a second connecting cavity, the cylinder is internally provided with a first cavity and a second cavity, the first cavity and the second cavity are communicated with the first connecting cavity and the second connecting cavity respectively, and the first connecting cavity and the second connecting cavity are communicated with the filling nozzle. A first push rod and a second push rod are slidably connected in the first cavity and the second cavity respectively, the mounting grooves are symmetrically formed in one end of the barrel, and a shifting plate is rotatably connected in each mounting groove through a torsional spring; flavor juice and medicine mixed with water are put into the cylinder together, bitter taste is reduced by means of mixing of the juice and the medicine, meanwhile, the conflict psychology of a patient for taking medicine is reduced, the stirring rod is matched to drive the stirring plate to assist the patient in opening the mouth, and then the patient can be fed with medicine rapidly.

The invention relates to the technical fields of degradable materials and packaging and provides a polycaprolactone multi-layer composite degradable packaging film. The packaging film is composed of four or more resin layers and structurally comprises outer layers containing biodegradable composition, and an inner layer covering one outer layer and containing biodegradable composition. Any resin layer of the packaging film is made of polycaprolactone or a blend of polycaprolactone and other resin materials which are mixed in different proportions; furthermore, the content of polycaprolactone in the resin layers of the packaging film becomes larger gradually in a gradient mode from the center to the outer layer, and melting temperature becomes lower gradually in a gradient mode. A novel structure and a novel mode are adopted for the packaging film, and the packaging film has high heat resistance, thermal shrinkage performance, softness and mechanical performance and can be widely applied to the packaging field.

The invention relates to an automatic extrusion device for a laundry detergent. The automatic extrusion device comprises two parallel extrusion wheels, wherein the distance between the two extrusion wheels is not greater than 5 mm; two ends of the two extrusion wheels are connected in a hinged mode; one ends of the two extrusion wheels and the other ends of the two extrusion wheels are each jointly connected with an end block, the upper end of each end block is movably connected with a pushing rod; the pushing rods can rotate relative to the corresponding end blocks; the middle parts of the pushing rods are jointly sleeved with a middle plate; the middle plate can slide up and down along the pushing rods; the upper ends of the pushing rod are fixed to an upper plate; and an air cylinder is fixed on the middle part of the upper end surface of the upper plate. According to the automatic extrusion device, the distance between the upper plate and the middle plate can be regulated through the air cylinder; a clamping device can fix a laundry detergent bag, and the two extrusion wheels are utilized to extrude, so that integral extrusion from the tail part of the laundry detergent bag to an extrusion opening of the laundry detergent bag is realized, and extrusion amount of the laundry detergent is determined by the extrusion amount of the pushing rods of the air cylinders.

The invention relates to a physical foaming extrusion device and particularly relates to a four-motor physical foaming co-extrusion device. The four-motor physical foaming co-extrusion device comprises four motors, extrusion machines driven by the four motors, an extrusion machine joint and three layers of co-extrusion machine heads, wherein a polyethylene foaming extrusion machine, a polyethylene transferring extrusion machine, an outer-layer extrusion machine and an inner-layer extrusion machine can form a three-layer structure including an inner layer, a foaming layer and an outer layer once by a layer-separated extrusion technology, the three layers are mixed to form a whole body, the extrusion is insulated and uniform, and the OD (Outer Diameter) and the concentricity of extruded wires are stable.

The skin disease ointment smearing instrument comprises a machine body shell, a working cavity with a downward opening is formed in the machine body shell, a first connecting block is arranged in the working cavity, a first sliding groove with a downward opening is formed in the first connecting block, and a first sliding block is slidably arranged in the first sliding groove; a swing assembly for driving the first sliding block to move is arranged in the working cavity. A first sliding block can move under the combined action of a second motor and a third motor, the effect of driving a second connecting block to move to smear ointment for a patient is achieved, and a first sliding rod drives a ball to move downwards under the action of increased ointment when the ointment is squeezed into a squeezing cavity; the rolling ball is pressed to conduct the second sliding groove so that the ointment in the second sliding groove can be squeezed out, meanwhile, the rolling ball can roll on the skin of the human body, and the effect that the ointment attached to the surface of the rolling ball is evenly smeared on the diseased skin of a patient is achieved.

The invention discloses a paste extrusion device which comprises stand plates, an upper pressing wheel, a lower pressing wheel, a buffer plate, a buffer spring and a stop lever; the stand plates are arranged at the front part of a base and are connected with the two sides of the front part of the base; the upper pressing wheel is arranged at the upper parts of the stand plates, and is connected between the stand plates; the lower pressing wheel is arranged below the upper pressing wheel and is connected between the lower parts of the stand plates; the lower pressing wheel is matched with the upper pressing wheel to extrude a paste pipe; the buffer plate is arranged below the lower pressing wheel; the two sides of the buffer plate are embedded into a wheel shaft of the lower pressing wheel;buffering on the wheel shaft of the lower pressing wheel in the rotating process is realized through the buffer plate; the buffer spring is connected under the buffer plate; the lower part of the buffer spring is embedded into the base; and the stop lever is connected with the outer side of the corresponding stand plate and is bent from the outer side of the stand plate to the front ends of the upper pressing wheel and the lower pressing wheel. Extrusion on paste like a toothpaste or a facial cleanser is realized, the extrusion output of the paste can be controlled, wasting is avoided, and the paste extrusion device is convenient to use and simple to operate.

The invention relates to the technical field of food detection, and discloses a reagent dropwise adding device for a color mixing experiment in food detection. The device comprises a burette and a dripper, wherein the upper end of the burette is open; the burette is transparent; scales are arranged on the side wall of the burette; the dripper is positioned below the burette and is fixedly connected with the burette; a large extruder and a small extruder are arranged at the upper end of the burette; the large extruder and the small extruder are clamped with each other; and a limiting plate is arranged below the large extruder and the small extruder. According to the reagent dropwise adding device for a color mixing experiment in food detection disclosed in the invention, when use by a user,a reagent can be extruded only by rotating a rotating disc or a rotating ring; meanwhile, due to the structural design of the device, the user can use the rotating disc or the rotating ring to extrude more or less reagents according to needs, so that the user can add the reagents more freely and accurately during testing, and the practicability of the device is improved.

The invention relates to the technical field of plastic processing, in particular to polypropylene foamed particle mixing and extruding equipment which comprises a bottom plate; the uniform mixing heat preservation box is arranged on the upper side of the bottom plate, an automatic melting feeding device is arranged on the lower side of the uniform mixing heat preservation box, and an automatic uniform mixing device is arranged on one side of the uniform mixing heat preservation box; one end of each connecting leg is fixed on one side outside the uniform mixing heat preservation box, and the other end of each connecting leg is fixed on the upper side of the bottom plate; the fixed cover is fixed on one side of the opening of the uniform mixing heat preservation box; and the material pushing plate can slide on the inner side of the uniform mixing heat preservation box. Through the arrangement of the uniform mixing heat preservation box, the connecting legs, the fixing cover, the material pushing plate, the electric control valve, the extrusion nozzle, the feeding pipe, the electric heating ring, the supporting plate, the feeding shaft, the feeding motor, the L-shaped frame and the spiral blade, the device has the functions of automatic material melting, automatic material extrusion, rapid mixing, uniform mixing, accurate extrusion and quantitative extrusion.

The invention discloses a quantitative toothpaste squeezing device which comprises a toothpaste box and a quantitative sleeve installed on the toothpaste box; a partition plate is fixed to the inner wall of the quantitative sleeve; a feeding hole is formed in the upper end of the partition plate in a penetrating manner; a check valve is fixed in the feeding hole; a push plate is connected to the bottom of the partition plate through a reset spring; a connecting rod penetrating through the partition plate is fixed to the upper end of the push plate; a transfer box is fixed to the upper end of the partition plate; a closed hole is formed in the upper wall of the transfer box in the penetrating manner; and a closing plate, arranged right below the closed hole, is fixed at the upper end of theconnecting rod. The quantitative toothpaste squeezing device has the advantages that by arranging the push plate, the push plate is pushed firstly when toothpaste is squeezed, the closing plate is driven by the push plate to block the closed hole, and the situation that the subsequent toothpaste cannot enter the transfer box from the closed hole after passing through the feeding hole is guaranteed, so that the toothpaste cannot be directly output from a conveying pipe to an output pipe for discharging, temporary retention after squeezing of the toothpaste is realized, and the trouble of cleaning due to the fact that the toothpaste flows out by accident is avoided.