40results about How to "Guaranteed foaming quality" patented technology

The invention discloses foaming equipment, which is used for foaming a preassembled component with a defined foaming space. The foaming equipment comprises a foaming mold, a first exhaust mechanism, a second exhaust mechanism, a first negative pressure supplying device, a sealing shell, an external exhaust mechanism and a second negative pressure supplying device, wherein the foaming mold is provided with a defined mold cavity; the first exhaust mechanism is communicated with the mold cavity; the second exhaust mechanism is arranged in the foaming space in an extending manner and is communicated with the mold cavity; the first negative pressure supplying device is connected with the first exhaust mechanism; the sealing shell is sheathed outside the foaming mold and the first negative pressure supplying device; the external exhaust mechanism and the second negative pressure supplying device are connected. According to the foaming equipment disclosed by the embodiment of the invention, negative pressure of air can be transferred into the foaming space by the second exhaust mechanism evenly, so that an insulating layer obtained after foaming has better insulating performance, the foaming materials can be saved, and the cost is reduced. In addition, due to the arrangement of the sealing shell, the foaming quality is guaranteed. The invention further discloses a foaming process employing the foaming equipment and a foaming process of refrigerating equipment.

The invention provides a method and a device for preparing porous blister steels through foaming of fused masses. The method comprises the following steps: firstly, a foaming agent is flatly laid at the bottom of a crucible and covered with a stainless steel mesh, so as to prevent the foaming agent from floating upward; secondly, the crucible is placed into a heating furnace for heating until thetemperature is 50 to 100 DEG C lower than the temperature that the foaming agent begins to discompose, and molten steels are poured into the crucible; thirdly, a heat-insulated heating device is utilized to adjust the temperature of the molten steels in the crucible until the temperature is 250 to 350 DEG C above the temperature that the foaming agent begins to discompose; and fourthly, after heat preserved stirring for 1 to 2 minutes, the crucible is taken out and air-cooled to the room temperature, and the porous blister steel materials are obtained. The method and the device can increase the residence time of the molten steels within a temperature region for decomposing the foaming agent, prevent the foaming agent from floating upward, and improve the structural characteristics and thedistribution characteristics of holes of prepared samples, has simple technique, is easy to operate, and is an ideal method for preparing the porous blister steels.

The invention discloses foaming equipment, a foaming process and a foaming process of refrigeration equipment. The foaming equipment is used to foam the pre-assembled components. The pre-assembled components define a foaming space, including: a foaming mold, the foaming mold includes a first mold and a second mold, and the first mold and the second mold cooperate with each other To define the mold cavity; the first air pumping mechanism communicated with the mold cavity; the second air pumping mechanism arranged in the foaming space and extending in the foaming space, wherein the second air pumping mechanism communicates with the mold cavity and includes : an air guide tube fixed in the foaming space, an air groove extending along its axial direction is formed on the tube wall of the air guide tube; and a first negative tube connected with the first pumping mechanism for forming a negative pressure in the foaming space pressure supply device. According to the foaming equipment of the embodiment of the present invention, the negative air pressure can be evenly transmitted into the foaming space, so that the thermal insulation layer obtained after foaming has better thermal insulation performance, and can save foaming raw materials and reduce costs.

The invention provides an intelligent control system for an asphalt foaming machine. The output port of the asphalt pump is connected to the inlet of the foaming pipe, and an asphalt flow sensor is arranged between the output port of the asphalt pump and the foaming pipe; the outer wall of the foaming pipe A jacket is provided, and the jacket is connected with the oil inlet pipe and the oil discharge pipe; the output port of the water pump is connected with the water inlet of the foaming pipe, and a water flow sensor is arranged between the output port of the water pump and the foaming pipe; the water flow sensor and the asphalt flow rate The sensor is connected with the control device, the control device is connected with the frequency converter, and the frequency converter is connected with the motor driving the water pump. By setting the asphalt flow sensor and the water flow sensor, the water flow is adjusted with the data of the asphalt flow sensor as a reference, so as to realize the precise control of the ratio of water and asphalt. Guarantee the quality of asphalt foaming and eliminate quality hazards.

The invention relates to modular designed asphalt foaming equipment and an automatic control system thereof. The asphalt foaming equipment is composed of an asphalt supply system, a foaming water supply system, a humidification water supply system, an air supply system and a foamed asphalt spraying rod, wherein the asphalt supply system, the foaming water supply system, the humidification water supply system and the air supply system are independent modules separately. The automatic control system of the asphalt foaming equipment can automatically calculate the amount of asphalt, foaming waterand compressed air which are required for the preparation of foamed asphalt through a piping graphic design unit preinstalled in a computer or a touch screen and according to the input data such as the type of road building construction equipment, and can automatically calculate main design parameters of an asphalt pipeline, a foaming water pipeline and an air pipeline. The modular designed asphalt foaming equipment is convenient to disassemble and assemble and can be combined with various road building construction equipment; and the automatic control system can accurately control the flow rate of the asphalt and the amount of the foaming water, the foaming quality of the asphalt is ensured, and mixing is realized while foaming is carried out.

The invention discloses a freezer and an inner container assembly for the same. The inner container assembly comprises an inner container and an opening frame, a ribbed ring which extends along the horizontal direction is arranged at the outer peripheral edge of the inner container, a first slot matched with the ribbed ring is arranged at the inner peripheral edge of the opening frame, a second slot which extends along the vertical direction and is adjacent to the outer peripheral edge of the opening frame is arranged on the lower surface of the opening frame, and the ribbed ring of the inner container is fittingly arranged in the first slot of the opening frame. According to the inner container assembly in an embodiment of the invention, the first slot and the second slot can be respectively matched with the inner container and a shell, and the position of the inner container is limited in the vertical direction, so that production and assembly of the freezer are facilitated. In addition, the inner container is prevented from falling off, a foam layer of the freezer has a preset thickness, the rejection rate of the freezer is reduced, the freezer is attractive, the foaming quality of the freezer is guaranteed, the freezer is simple in structure, assembly efficiency is improved, and cost is lowered.

The invention discloses foaming equipment, a foaming technology and a foaming technology of a refrigeration plant. The foaming equipment is used for foaming a pre-assembling component; a foaming space is limited in the pre-assembling component; the foaming equipment comprises a foaming mould, a first air exhaust mechanism, a second air exhaust mechanism and a first negative pressure providing device. The foaming mould comprises a first mould body and a second mould body; the first mould body and the second mould body are matched to limit a mould cavity; the first air exhaust mechanism is communicated with the mould cavity; the second air exhaust mechanism comprises an air guide pipe fixedly arranged in the foaming space; the air guide pipe comprises an opening pipe and a clamping strip, an opening extending in the axial direction of the opening pipe is formed in the pipe wall of the opening pipe, and the clamping strip can be arranged on the opening pipe in a sliding mode to seal the opening. The first negative pressure providing device is connected with the first air exhaust mechanism and used for forming negative pressure in the foaming space. According to the foaming equipment, air negative pressure can be evenly transmitted to the foaming space, and therefore the heat preservation performance of a heat preservation layer obtained after foaming is better, foaming raw materials can be saved, and the cost is reduced.

The invention relates to foaming agent of waterproof foam concrete, a preparation method and a construction method, which belongs to the fields of construction materials, a preparation method thereof and an architectural method thereof. The foaming agent of the invention comprises the following raw materials in part by weight: 30 to 35 parts of keratinous albumen powder, 4 to 5 parts of Ca(OH)2, 1.5 to 2.5 parts of NaHSO3, 270 to 320 parts of water, 0.8 to 1.5 parts of sodium dodecyl benzene sulfonate (SDBS), 0.2 to 0.7 part of sodium dodecyl sulfate, 0.8 to 1 part of gelatin and 0.5 to 1 part of trolamine. The weight of sulphamic acid is matched with that of Ca(OH)2 and NaHSO3, and the pH value of the mixed three materials reaches 7.

The invention discloses a full-automatic ice maker shell foaming clamp. The full-automatic ice maker shell foaming clamp comprises a bottom frame, a left clamping plate and a right clamping plate arearranged on the two sides of the upper portion of the bottom frame, a front clamping plate and a rear clamping plate are arranged on the two ends of the upper portion of the bottom frame correspondingly, a top clamping plate is hinged to the top of the front clamping plate, hinge bases are arranged on the two sides of the top and the two ends of the bottom frame, and the left clamping plate, the right clamping plate, the front clamping plate and the rear clamping plate are hinged to the hinge bases on the corresponding positions; the left clamping plate and the right clamping plate are matchedwith a fit block and a clamping block to fix the two sides of a mold core, the front clamping plate and the rear clamping plate fix the two ends of the mold core, the top clamping plate and a supporting plate limit the upper and lower ends of the mold core, omnibearing appearance stabilizing is achieved, four sets of first air cylinders provide supporting force for the left clamping plate, the right clamping plate, the front clamping plate and the rear clamping plate, a second air cylinder gives pressing force for the top clamping plate, the foaming expansion force is offset, and the foamingquality is ensured.

The invention discloses a rotary foaming mold frame, relates to a rotatable foaming mold frame, and mainly aims to solve the problems of limited overturning angle of an existing foaming mold frame and the like. The rotary foaming mold frame comprises a main frame, bearing seats and a material injection mechanism, wherein a rotary mechanism comprises a lower frame and an upper frame; the lower frame is provided with connection plates; a lower hinge is connected with an upper hinge through a hinge shaft; a lower locking hook and an upper locking hook are arranged on the lower frame and the upper frame respectively; a cylinder rod of a locking air cylinder is connected with a locking arm; a locking shaft is arranged in a shaft sleeve of the locking arm; a limiting seat comprises two vertical plates; the locking shaft penetrates through the two vertical plates; a shaft hole of a swinging block is sleeved in the locking shaft; holes are formed in the two vertical plates; connection sheets are arranged between the two vertical plates; the swinging block is connected with the connection sheets; a limiting pin shaft on the swinging block is in contact with the locking hook; a mold opening and closing air cylinder is arranged on the lower frame; a material sealing air cylinder is arranged on a mold; ejection air cylinders are arranged on the lower frame; a transmission shaft of a motor speed reducer is connected with the connection plates; an air water separator, a conductive sliding ring and a sensor induction block are arranged on an air water separator shaft. The rotary foaming mold frame has the advantage that an angle can be randomly adjusted.

The present invention discloses a solar water heater water storage tank foaming production line, which comprises an inflation device, wherein the inflation device comprises a plurality of gas storage tanks, a main gas pipe, a plurality of branch gas pipes, and a plurality of one-way safety valves, the branch gas pipes are corresponding to the one-way safety valves one to one, the gas storage tank is installed on a tooling trolley and collectively flows along with a foaming production line, various gas storage tanks are communicated in series through the main gas pipe, the main gas pipe is provided with the plurality of the branch gas pipes, the branch gas pipes are communicated with water storage tanks through the respective one-way safety valves, and provided for inflating the water storage tanks, and the one-way safety valves are provided for controlling water storage tank inflation. According to the present invention, the plurality of the gas storage tanks are arranged on the foaming production line, and are communicated in series through the main gas pipe, the main gas pipe is provided with the plurality of the branch gas pipes communicated with the water storage tanks through the one-way safety valves for inflation, such that it is ensured that pressure and other conditions inside various branch gas pipes are the same, uniformity of various water storage tanks after inflation is good, and the one-way valve can prevent the liner from breakage caused by excessive inflation so as to ensure foaming quality of polyurethane.

The invention discloses a door body of a refrigerator, which comprises a door frame, a glass plate, and a door liner; the door frame includes end blocks on the left and right sides and decorative strips on the upper and lower sides surrounding a rectangular structure; the end blocks are sheet metal parts, and the end blocks are The baffle includes end plates, side plates, and end baffle flanges; the end plate, side plates, and end baffle flanges form an end baffle slot; the upper and lower ends of the end baffle slot are provided with Matched end stop inserts; the upper and lower ends of the end stop are connected to the corresponding decorative strips through the end stop inserts; the door lining is pressed on one side of the door frame, and the glass plate is pressed on the other side of the door frame; the door frame, glass A cavity for foaming is formed between the board and the door liner. The end stop in the door body of the refrigerator of the present invention adopts sheet metal parts. Compared with the existing door body end stop which is an injection molded part or an extruded part and needs a corresponding mold, the end stop in the present application adopts sheet metal parts, and the cost of the mold is reduced, so that The manufacturing cost of the refrigerator door body is reduced; at the same time, the forming process is simple, and the production efficiency is improved.