14results about How to "Even consistency" patented technology

The invention relates to the technical field of metal material manufacturing, and particularly discloses a preparation method of an ultrahigh-strength C250 super-large-specification vacuum consumable steel ingot. The preparation method comprises the steps of vacuum induction smelting and vacuum consumable remelting. And in the vacuum induction furnace alloying process, chemical components are accurately controlled, specifically, the chemical components comprise 0.006 + / -0.001 wt% of C, 18.0 + / -0.20 wt% of Ni, 8.0 + / -0.05 wt% of Co, 5.0 + / -0.10 wt% of Mo, 0.40 + / -0.01 wt% of Ti and 0.10 + / -0.02 wt% of Al. The problems of chemical component point control, chemical component uniformity control and the like of a C250 ultra-large-specification vacuum induction phi710mm electrode and a phi810mm vacuum consumable steel ingot are solved, and the metallurgical quality of the ultra-large-specification vacuum consumable steel ingot completely reaches the physical level of a small-specification steel bar.

The utility model discloses circuit board etching tin stripping equipment, which relates to the technical field of circuit board processing and comprises a mounting shell, connecting plates are fixedly connected to the left side and the right side of the top of the mounting shell, square holes are formed in the left side and the right side of the inner wall of the mounting shell, and the circuit board etching tin stripping equipment further comprises a spraying mechanism, the spraying mechanism comprises a connecting shell fixedly connected to the bottom of the connecting plate, the rear ends of the left side and the right side of the inner wall of the connecting shell sleeve and are fixedly connected to a fixing rod, the front ends of the left side and the right side of the inner wall of the connecting shell sleeve and are in threaded connection with threaded rods, and a first motor rotates and drives the threaded rods to rotate; the threaded rod drives the movable block to move on the outer wall of the fixed rod, the movable block drives the spray head, the water conveying pipe and the folding pipe to move, tin stripping water is conveyed into the spray head through the water conveying pipe to be sprayed, the first motor rotates forwards and backwards and drives the spray head to move left and right to evenly spray water, the time of the whole treatment process is shortened, and the working efficiency is improved.

The invention relates to the technical field of battery diaphragms, in particular to a hydrotalcite-aramid diaphragm composite material and a preparation method and application thereof.The preparation method comprises the steps that a metal compound for preparing hydrotalcite and an aramid diaphragm are added into water, the soaking temperature and the soaking time are controlled, and after hydrotalcite grows on the aramid diaphragm in situ, the hydrotalcite-aramid diaphragm composite material is obtained; and washing with clear water, and drying to obtain the hydrotalcite aramid diaphragm composite material. The hydrotalcite aramid diaphragm composite material has a relatively high specific surface area, provides a large number of lithium ion adsorption sites, is beneficial to improving the ion transmission rate, and provides a basis for high-rate charge and discharge. The hydrotalcite grows in the aramid diaphragm fiber in situ, the thickness of the diaphragm is not increased, the high-temperature thermal shrinkage performance of the diaphragm is improved, and the energy density of a battery cell is improved.

The invention discloses an automatic processing system and method for foamed plastic products with poor ductility, the automatic processing system comprises a machine body (1), a feeding frame (2), a cutting device (3), an oven (4), a discharging device (5), a shaping device (6), a conveying belt (8), a power device (9) and a control device (10), the cutting device is arranged between the feeding frame (2) and the oven (4) and used for cutting coiled materials into sheets with proper sizes, and the shaping device (6) is arranged on the conveying belt (8). The conveying belt (8) sequentially penetrates through the feeding frame (2), the cutting device (3), the oven (4) and the discharging device (5), and the shaping device (6) is arranged on the periphery of the discharging device (5). By the adoption of the system, the five working procedures of feeding, cutting, heating, modeling and blanking are controlled by the control device and completed in a unified mode, the consistency of products is greatly improved, the yield of the products is greatly improved, and the labor cost is greatly saved.

The invention relates to the technical field of primary explosive production equipment, and particularly discloses a continuous chemical combination reactor which comprises a reactor body, the side wall of the reactor body is hollow, a mechanical stirring device is fixedly arranged on the upper end face of the reactor body, and one end of the mechanical stirring device extends into the reactor body; a raw material solution pipe and a water inlet pipe are arranged on one side of the mechanical stirring device; a sensor is arranged on one side of the stirring device, and one end of the sensor extends into the reactor; the side wall of the reactor is provided with a cold and hot water inlet and a cold and hot water return port which are circularly communicated with the interlayer of the reaction kettle; a gas pipe is arranged at the bottom of the reactor and inserted into the bottom of the reactor; a discharge hole is formed in the lower end of the reactor, the discharge hole is communicated with a plurality of suction filtration tanks arranged at the lower end of the discharge hole, and a valve is arranged between the discharge hole and each suction filtration tank; the invention aims to enable the concentration of materials and reaction conditions in the reaction process to be always kept stable in a continuous feeding and discharging mode, the generated initiating explosive particles are uniform in size, the yield is high, the production is simple, and the cost is reduced.

A hole filling device for a road coring hole comprises an annular cylinder, an outer cylinder and an inner cylinder, a circular truncated cone is arranged at the bottom of the inner cylinder, and a ball is arranged at the top of the circular truncated cone; the rotary adjusting assembly comprises a plurality of sawtooth rods and a gear column, and the bottom of the gear column makes contact with the ball; the tooth sections of all the sawtooth rods sequentially penetrate through the outer cylinder and the inner cylinder and then are directly meshed with the gear column penetrating through the inner cylinder. The gear column is controlled to rotate so that all the sawtooth rods can be driven to rotate in the forward direction or the reverse direction, all the sawtooth rods are synchronously driven to extend outwards or contract inwards, and therefore the outer ends of all the sawtooth rods abut against the inner wall of the hole to be fixed or not make contact with the hole. The hole protection device is simple in structure and easy to operate, the hole can be rapidly and accurately closed and protected, the hole protection device can be firmly fixed into the hole, meanwhile, the hole structure can be effectively protected, and normal walking is not affected; the operation is safe, the efficiency is high, and the device can be taken out reversely and reused.

The invention belongs to the field of heaters, and discloses a design method of a directional solidification furnace heater, which comprises the following steps of: 1, calculating the total power of the heater; 2, modular design is carried out on the heater; step 3, performing preliminary simulation and verification; step 4, power distribution of the heating element is carried out; 5, selecting the material of the heating element; step 6, designing the shape of the heating element; and step 7, performing simulation and verification again. The heater designed by the invention can effectively realize the uniformity and consistency of the contour temperature of the outer surface of a heated object and the control of the position of a cold point, and effectively reduce the temperature gradient of a radial section. And particularly, the method shows obvious advantages when heating special-shaped materials, and is suitable for directional solidification of materials with complex shapes.

The application discloses a robot and a transmission mechanism thereof. The transmission mechanism comprises two transmission members capable of rotating around their own axes, each comprising a pulley segment and an eccentric shaft segment eccentrically arranged relative to the pulley segment, the eccentric shaft segment being connected to the pulley segment, and the two transmission members being arranged at intervals; a synchronizing member connected to the two pulley segments; and a connecting rod rotatably connected to the two eccentric shaft segments. When one of the two transmission members rotates, the two pulley segments are driven by the synchronizing member, and the two eccentric shaft segments are driven by the connecting rod, thereby driving the other transmission member to rotate. In this way, the transmission mechanism provided by the application can transmit greater torque, has higher rigidity, and has improved transmission precision.

The invention discloses an ultra-high-strength titanium alloy fastener head structure upsetting forming method which comprises the following steps that firstly, an ultra-high-strength titanium alloy straight bar is cut off after being subjected to surface treatment, and an ultra-high-strength titanium alloy blank is obtained; secondly, the to-be-deformed area of the ultrahigh-strength titanium alloy blank obtained in the first step is heated, then the to-be-deformed area is transferred into an upsetting die to be subjected to upsetting forming, and a fastener head structure is obtained; the heating temperature ranges from 700 DEG C to 730 DEG C. According to the method, the to-be-deformed area of the ultrahigh-strength titanium alloy blank is heated to 700-730 DEG C before upsetting, the temperature is lower than the solution treatment temperature of the ultrahigh-strength titanium alloy material, it is ensured that the to-be-deformed area has good machinability and metal fluidity for upsetting forming, and the method is suitable for the technical field of fastener preparation.

The invention relates to a graph data scheduling method for a heterogeneous database cluster, and belongs to the technical field of data replication, distribution or synchronization in a distributed database. The method comprises the following steps: firstly, constructing a database cluster consisting of disk type and memory type storage nodes, and determining how to construct a chained copy structure through the storage nodes according to the delay sensitivity of graph data when the graph data is stored; when the graph data is modified, logs of graph data modification content are generated and sequentially transmitted to the next node along the chain type copying structure; when a copy of the graph data needs to be added, selecting storage nodes which are not on the chain structure to store the added copy according to the characteristics of the graph data, and selecting a position for accessing the chain structure according to the load capacity; and finally, when an access request is processed, selecting a proper storage node to respond to the access according to the characteristics of the graph data. According to the method, the flexibility and efficiency of storing and accessing the graph data in the heterogeneous database cluster are improved.

The utility model relates to a liquid cooling plate for a power battery pack and a liquid cooling heat management system of the liquid cooling plate. The liquid cooling plate comprises a profile plate, ribs are arranged in the profile plate through extrusion forming, a water inlet pipe nozzle is arranged on the left side of the profile plate, a water outlet pipe nozzle is arranged on the right side of the profile plate, and side baffles and cold plate plugs are arranged at the left end and the right end of the profile plate. Comprising a cooling liquid pipeline, the liquid cooling plate for the power battery pack is adopted, a water inlet male head and a water outlet male head are arranged at the two ends of the cooling liquid pipeline respectively, a pipeline tee joint is arranged in the middle of the cooling liquid pipeline, and the pipeline tee joint is connected with a water inlet pipe nozzle and a water outlet pipe nozzle through quick connectors; the device assembly is simple in structure, low in process requirement, low in manufacturing cost and good in heat transfer effect, good contact between the liquid cooling plates and the battery module can be ensured, uniform and consistent flow of flow channels between different liquid cooling plates can be realized, and uniform and consistent temperature of the battery module is ensured.

The utility model relates to the technical field of semiconductor manufacturing equipment, and discloses a heating tube structure, which comprises a terminal pin and a heating element arranged in a metal protection tube, the metal protection tube is filled with electrical insulation powder, the tail section of the terminal pin connected with the heating element is provided with a limiting part, and the heating element is in axial limiting connection with the limiting part. The terminal pins and the tail sections of the terminal pins form inclined step surfaces. The limiting part limits the axial movement of the heating element so as to prevent the heating element from sliding out of the terminal pin, and the electrical insulation powder filled in the metal protection tube also has a pressing effect on the heating element and the terminal pin, so that the radial direction of the heating element is limited, and the connection tightness of the heating element and the limiting part is further ensured; after the sheath heater is bent, the temperature of each part of the heating element is kept uniform and consistent, and the chemical vapor deposition effect of a semiconductor wafer is improved; when the sheath heater is bent, the inclined step surface can reduce the fracture phenomenon caused by stress.

The invention relates to the technical field of chemical equipment, in particular to filter cake drying equipment for preparing benzophenone oxime, which comprises a vacuum stirring tank, a filter cake crushing assembly, a suction mixing and stirring assembly, a vacuum control system and a low-temperature drying tank fixed at the bottom end of the vacuum stirring tank, the suction mixing and stirring assembly is fixedly arranged at the bottom end of the low-temperature drying tank, and the vacuum control system is arranged at the bottom end of the low-temperature drying tank. A guide hopper is fixedly mounted on the inner side of the vacuum stirring tank, and the filter cake crushing assembly is located under the guide hopper and used for crushing filter cakes. The suction mixing and stirring assembly and the vacuum control system are combined for use, and the vacuum pump and the vacuum degree control system are utilized, so that efficient vacuum drying can be realized in the vacuum stirring tank and the low-temperature drying tank, and a solvent is effectively removed from the benzophenone oxime filter cake in the drying process; and meanwhile, the problem of product degradation caused by long-time heating in a traditional drying method is avoided.

This utility model relates to a copper rod peeling and pulling mechanism, belonging to the field of copper rod processing technology. It includes a base and two side plates. The top of the base has a peeling structure for peeling the copper rod, and a support structure for supporting the base. The peeling structure includes a mounting rod fixedly installed on the top of the side plate, a top plate fixedly installed on the top of the mounting rod, and a second electric slide fixedly installed on the top of the top plate. A connecting seat is fixedly installed at the bottom of the movable shaft of the second electric slide. This copper rod peeling and pulling mechanism uses the second electric slide to move left and right for adjustment, and the second electric slide to move the cutting blade up and down. The distance between the two cutting blades is adjusted by the action of a bidirectional threaded rod, an adjusting seat, a rotating motor, and a synchronizing rod, effectively peeling the outer wall of the copper rod.