44results about How to "Controlled rebound" patented technology

A fastening tool which controls the return behavior of a driver blade by using a blade stop and/or a bumper. The fastening tool can remove the driver blade from the drive path upon its return after driving a fastener into a workpiece and bring the driver blade to a resting state by using a bumper to orient the driver blade out of alignment with the drive path and into contact the driver blade stop.

The invention provides a spring-back compensation method working out factor reversely. A test die stamping part is regarded as an imaginary product part and subjected to forming and spring-back simulation, and a simulated spring-back value is worked out; through a forcing-deformation simulation method, the difference value between a test die surface and a test die is calculated and used as an actual compensation value, and a compensation factor is worked out; the compensation factor is applied to die surface compensation of an actual designed part. When the spring-back compensation method is applied to forming of a two-dimensional bent part, spring-back can be well controlled only through once compensation, the compensation efficiency is greatly improved, the die testing frequency is reduced, and reference and basis are provided for spring-back compensation of the two-dimensional bent part.

The invention belongs to the field of nutritional health-care foods, which in particular relates to a method for preparing a weight-reducing yoghurt beverage. The weight-reducing yoghurt beverage comprises the main components of green tea, cassia seed, rivier giantarum, lotus leaf and yoghurt. The method comprises the following steps: mixing, adding into hot water, refluxing, clarifying, filtering, adding yoghurt according to a certain proportion, mixing, sterilizing, packaging in vacuum, obtaining a product and mixing. The product has abundant nutritive value and is easy to absorb, lactobacilli in the yoghurt also has the function of health care, can promote digestion and absorption and maintain the ecological equilibrium of intestinal tract florae, and the green tea containing tea polyphenol and caffeine in the product not only has the effects of thinning the body and reducing fat, but also has the functions of refreshing oneself, restoring consciousness, preventing dental caries and clearing away halitosis.

A compound mold for oblique wedge bending and shaping of U-shaped cross-section stamping parts, including a mold handle, an upper mold plate, an upper pressure block, an upper mold insert, a slider, a lower pressure plate, a guide sleeve and a spring. The upper mold part, and the lower mold plate , oblique wedge, wear plate, punch, guide post and pin are the lower part of the die. There are three open shallow grooves on the bottom surface of the upper formwork, and the cross-section of the upper pressing block is isosceles trapezoidal, which is connected with the lower pressing plate through screws covered with springs outside. One side of the two bar-shaped block-shaped upper mold inserts is an inclined plane, and the surface opposite to the inclined plane has a T-shaped groove. The bottom of the slider is V-shaped, and the upper end is a T-shaped boss embedded in the T-shaped groove of the upper mold insert. During production, the lower platen presses the sheet, and the slider bends the sheet from both sides from outside to inside and from top to bottom under the action of the upper die insert, wedge and wear plate, and finally the slider and the punch are aligned. Bending corner shaping not only reduces springback, but also prevents the upper die from scratching the straight wall of the blank. It can bend parts of various widths and can be used on various general-purpose presses.

The present invention discloses a lotus leaf and balsam pear lipid-lowering tea which is composed of the following components: 50-60 parts of lotus leaf and 40-50 parts of balsam pear. A production technique of the lipid-lowering tea comprises the following steps: soaking the collected lotus leaf and balsam pear for 3-5 hours; after water flushing, cutting to sheets; chopping; drying with microwave at a temperature of 90-100 DEG C and a power of 10-15 kw; mixing according to the above proportion; and finally performing vacuum packaging. The lotus leaf and balsam pear lipid-lowering tea has a good lipid lowering effect.

The embodiment of the invention provides a stamped part rebound optimization method, which comprises the following steps of establishing a simulation model according to the attributes of a plate for producing a target part and the attributes of a mold for producing the target part; carrying out simulation and continuously adjusting process parameters to enable a simulation result to meet a presetrequirement, and obtaining a target process parameter corresponding to the minimum first rebound value; if the first rebound value is larger than a rebound threshold value, continuing simulation simulation on the basis of the target process parameters, continuously adjusting mold parameters, so that a simulation result meets a preset requirement, and a target mold parameter corresponding to a minimum second rebound value is obtained; and manufacturing the target part according to the target process parameters and the target mold parameters. The method solves the problems that in the prior art,the optimal parameters of rebound optimization are difficult to find, and rebound of a stamping part is difficult to restrain.

The invention provides a stamping forming die of an aluminum car door outside plate and a rebound control method. The stamping forming die comprises an upper die part and a lower die part, wherein theupper die part comprises an upper die holder, a flanging insert and a pressing core, the flanging insert is fixedly connected with the upper die holder, and the pressing core is elastically connectedwith the upper die holder; the lower die part comprises a lower die holder, a flanging male die and a support core, the flanging male die is fixedly connected with the lower die holder, and the support core is elastically connected with the lower die holder. The stamping forming die and the rebound control method have the beneficial effects that according to the rebound control method, stretch forming is introduced to the flanging procedure, so that secondary stretching is performed on materials in a car door product area, and the rebound of the product area is effectively controlled; the structure of the die is simple, the support core is convenient to disassemble, and the traditional flanging and the flanging of the introduced stretch forming can be realized at the same time by one die,so that the cost of the die is effectively reduced.

The invention relates to a traditional Chinese medicine health care tea, and in particular to a fat-reducing slimming tea and a preparation process thereof. The fat-reducing slimming tea is prepared from the following raw materials by weight: 12-15 parts of lotus leaf, 10-20 parts of cassia seed, 9-20 parts of hawthorn and 9-20 parts of rhizoma alismatis. The tea employs a pure traditional Chinese herbal prescription, which has no toxic or side effect on the human body, can reduce fat and help lose weight, and is applicable to the obese people with elevated blood lipids.

The invention belongs to the technical field of food processing, and particularly relates to health care oatmeal with a function of loosing weight, and a preparation method of the health care oatmeal. The health care oatmeal is prepared by the following raw materials: oatmeal, Chinese wampee fruits, rhodomyrtus tomentosa, mulberries, lotus leaves, herba lycopi and xylitol. The health care oatmeal with the function of loosing weight is prepared by combining the effective extraction components of natural fruits and plant extract components with effect of homology of medicine and food, thus having the effects of loosing weight, lubricating the intestines, relaxing the bowels, helping digestion, inhibiting appetite, removing fat and reducing blood pressure, balancing nutrition, beautifying and protecting skin, and the like; the health care oatmeal also has the characteristics that the raw materials are easily available, the operation is simple, the flavor is unique, the taste is good, the taking is convenient, etc.

The invention discloses a four-connecting-rod mechanism for a trolley pole, and relates to the technical field of trolley buses. The four-connecting-rod mechanism comprises a base plate and a supporting base connected with the base plate. A large arm and a first connecting rod are connected to the supporting base. The first connecting rod is connected with a second connecting rod. A third connecting rod is connected between the second connecting rod and the large arm. A spring is connected between the large arm and the supporting base. Due to the fact that force applied by the spring on the large arm can be controlled by adjusting the lengths of the second and third connecting rods, the large arm can ascend and descend at different speeds to carry out active net touch and active net disengagement work, and meanwhile a trolley bus can be effectively prevented from being disengaged from a net in the driving process.

The invention belongs to the technical field of bridge protection devices, and particularly relates to a multi-stage buffer anti-collision pier. The multi-stage buffer anti-collision pier comprises apier body and an anti-collision body surrounding the pier body; the anti-collision body comprises a first-stage protection cylinder, a second-stage protection cylinder and a third-stage protection cylinder, wherein the first-stage protection cylinder surrounding the pier body, and the first-stage protection cylinder comprises the outer cylinder body and the inner cylinder body which are sequentially arranged from outside to inside; the outer wall of the second-stage protection cylinder abuts against the inner wall of the inner cylinder body of the first-stage protection cylinder; and the outerwall of the third-stage protection cylinder abuts against the inner wall of the inner cylinder body of the first-stage protection cylinder, a guide mechanism is arranged on the outer wall of the third-stage protection cylinder, and after the first-stage protection cylinder is impacted, the guide mechanism can drive the first-stage protection cylinder to rotate, so that an impacted object deviates. After a vehicle collides with the anti-collision pier, the first-stage protection cylinder absorbs a small part of energy firstly, then the remaining energy is completely absorbed by the second-stage protection cylinder, or the second-stage protection cylinder absorbs a part of energy, the remaining energy is discharged by the third-stage protection cylinder, and through multi-stage energy absorption, it can be effectively guaranteed that the pier body is not damaged, and damage to the vehicle can be reduced.

The invention discloses a flanging face design method, a flanging machining die and method and a part with a flanging. The flanging face design method comprises the following steps that 1, a flangingvector direction line is designed, a process face is obtained on the basis of a set flanging line and the flanging vector direction line, and the process face serves as a craft process face and used for guiding flanging face machining; and 2, the flanging vector direction line is designed, a flanging face is designed and needs to be arranged at the outer side, close to the part, of the flanging vector direction line, a certain angle is formed between the flanging face and the flanging vector direction line and determined according to the springback condition of the part, and a theoretical flanging face designed according to the method is infinitely close to the springback part. A die structure is designed through the process face, the flanging vector direction serves as the flanging direction, so that the consistency of die flanging gaps can be guaranteed, and the problems of uneven part appearance fillets and side wall waves caused by uneven flanging gaps are effectively solved; and meanwhile, part springback can be effectively controlled, and the springback part tends to be consistent with the theoretical state.

The invention discloses an assembled wedge forming mold for an acute-angle U-shaped stamping part, belongs to the technical field of cold stamping mold forming, and can stamp an acute-angle U-shaped part and solve the problem of forming springback of the U-shaped part. A male mold and a male mold guide base move relatively; the male mold moves downwards; a plate is bent into a U shape larger than90 degrees firstly; the male mold continues moving downwards; and a wedge pushes a sliding female mold to move horizontally using a wedge surface to implement forming of an acute angle. The wedge moves upwards; the male mold moves and lags behind under the effect of elastic force of a rubber; and after the sliding female mold is brought back by a spring and the inclined part thereof is receded, alimiting block drives the male mold to return to complete one-time forming. By replacing male and female mold inserts at different angles, multi-angle acute angle forming can be achieved, the manufacturing period of the molds is shortened, and the manufacturing cost of the molds is reduced.

The invention discloses an inner and outer wall thermal insulation paste material, a preparation method and the application thereof. The inner and outer wall thermal insulation paste material is mainly composed of the following components by the parts by weight: 20 to 40 parts of expanded perlite, 5 to 10 parts of polystyrene particles, 70 to 130 parts of powder and 0.8 to 2 parts of additive. The inner and outer wall thermal insulation paste material has strong thermal insulation performance (the thermal conductivity coefficient is 0.045 to 0.055w/m.k), small volume, high strength (compressive strength is 0.6 to 1.0MPs), strong hydrophobic property, high anti-carbonation property, strong anti-freezing expansion ability and long service life.

The invention provides an impact forming method and an impact forming die for a viscous medium. The impact forming method comprises the steps that an impact hammer is released, the impact hammer moves towards a medium bin under the action of gravity, the impact hammer applies an impact load to the viscous medium, and the viscous medium enables a plate to be rapidly attached to a cavity of a female die to form a part. According to the impact forming method, under the action of the high-speed impact load of the impact hammer, the viscous medium instantaneously generates high pressure, so that the strain rate sensitivity of the viscous medium fully plays a role, remarkable non-uniform pressure distribution is generated, and a high-strength plate can be quickly formed; and meanwhile, the internal stress gradient of a formed part is reduced, and the purpose of controlling springback is achieved.

The invention provides a making method for a dietary therapy fat-reducing and discutient soup. The soup is characterized by comprising the following components: big-bone soup-stock, 1 lotus leaf, 80gof hot pot meat slices, 40g of cabbage pieces, 20g of jelly fungi, 2 pieces of lentinus edodes, 20g of coix seeds, 20g of white radish horns, 10g of prunella vulgaris, and a proper amount of shallotsand salt. The making method comprises the following steps: washing the lotus leaf, the prunella vulgaris and the coix seeds, and loading cleaned materials into a gauze bag for use; placing the materials excepting the hot pot meat slices into a soup-stock hot pot together, performing boiling with big fire, and then performing boiling with small fire for 1 hour; and adding the hot pot meat slices before turning off heat, and adding the salt for flavoring after the meat slices are cooked. According to the invention, a heat quantity of the whole pot is just close to 100 calories, people can eat proteins, and the soup is a low-calorie food which is rich in high fibers and various nutrients; and the lotus leaf is a good food material for diuresis and detumescence, and is also a medicinal material with the effect of losing weight. The soup has efficacy of losing weight and beautifying.

The present invention discloses a weight-reducing tea and a preparation method thereof. The tea is characterized by being prepared from the following components in parts by weight: 90-120 parts of kelp, 20-30 parts of hawthorn fruits, 22-30 parts of giant knotweed rhizomes, 15-20 parts of fleece-flower roots, 15-20 parts of cassia seeds, 15-20 parts of milk-vetch roots, 15-20 parts of bighead atractylodes rhizomes, 15-20 parts of fourstamen stephania roots, 15-20 parts of lotus leaves, 15-20 parts of epimedium herb, 15-20 parts of Chinese thorowax roots, 15-20 parts of kudzuvine roots, 15-20 parts of winter mulberry leaves and 15-20 parts of chrysanthemums. The tea can regulate appetite and control rebound, does not cause adverse reaction, can control hunger sensation and enable people tolike eating light diet, and is simple and convenient to manufacture and low in cost.

The invention relates to a method for forming a 30-degree double-R pipe internal part of a gasification furnace. The invention is characterized in that the method comprises the following: step 1, using an extruding press to extrude R elbows of a first pipe, a second pipe, a third pipe and a fourth pipe which have the same pipe diameter which is less than 50mm; step 2, using four bending moulds to bend 100 to 150 mm ends of the elbows of the first pipe, the second pipe, the third pipe and the fourth pipe which are bent with R elbows respectively into double-R shapes at angles beta of 30 degrees to a plane of the elbows; and step 3, using four bending moulds to bend the bent first, second, third and fourth pipes in the step 2 into double-R arc shapes respectively and jointing the four pipes. The method has the advantages of solving the problem of extremely complex pipe forming in IGCC(integrated gasification combined cycle) gasification furnace and effectively controlling size and resilience, positive and negative applicability of moulds and commonality of fixture blocks, and greatly simplifying production and processing process.

The invention provides a numerical-control processing machine tool for mechanical parts and relates to the field of machining. The numerical-control processing machine tool comprises a machine tool support for supporting machine tool equipment, a numerical-control controller for controlling the equipment, a movable suction supporting mechanism for producing a plate and bearing stamping force, a damping bounce reduction mechanism for reducing bounce of the two sides of the plate, a linear actuator, an arc extrusion plate and an arc die. The machine tool support comprises a top supporting block,a bottom supporting block and a side plate. According to the numerical-control processing machine tool for the mechanical parts, in order to control the position of the plate by an existing numerical-control plate bending machine, a complementary special mechanism is designed and completely replaces a rigid limit structure and a stamping die, and accordingly the problems are effectively solved that a common plate bending machine is not suitable for precise processing, a limit device does not fix the plate when a numerical-control plate bending machine is used for processing, the force application point of the plate easily slightly deflects, the limit device bears the bounce impact force, and the precision is easily lowered.