93results about How to "Avoid defective products" patented technology

The invention discloses an embedded integrated intelligent die which comprises an upper die set plate, an upper die fixing plate, a guide pillar, a core die, a discharging plate, a lower die set plate and a cavity die. The cavity die is arranged on the lower die set plate; the upper die fixing plate is provided with the core die which is matched with the cavity die; the upper die fixing plate is arranged on the upper die set plate; the core die is arranged on the upper die set plate; the guide pillar which penetrates through the discharging plate to be fixed on the upper die set plate enters into the cavity die to guide and correct under the working state of the embedded integrated intelligent die; an elastic device is arranged between the discharging plate and a core die fixing plate; the discharging plate can move up and down along the guide pillar; and the upper die set plate, the cavity die and the lower die set plate are respectively provided with a sensor. Accordingly, the embedded integrated intelligent die has the advantages of being capable of utilizing the sensors which are embedded in the embedded integrated intelligent die to integratedly obtain various information on the embedded integrated intelligent die to adjust technical parameters when the embedded integrated intelligent die works, guaranteeing that die machining is under real-time monitoring and accurate machining conditions, reducing defective products and reducing the rate of the detective products by 20%, improving the working efficiency and being capable of reducing debugging time of the embedded integrated intelligent die by 50%.

The invention provides a coating process of a carbon fiber fishing rod. The coating process of the carbon fiber fishing rod sequentially comprises the steps of: degreasing, decontaminating, cleaning and drying a fishing rod, sealing and plugging the mouth of the fishing rod by using a silicone head; vertically hanging the fishing rod on a hanger and spraying paint up and down by a numerical controlled DISK electrostatic spraying device, then entering a leveling region for leveling within 10-15 minutes, irradiating 8-15 minutes by far infrared rays to solidify the fishing rod. By adopting the method provided by the invention, the surface of the sprayed fishing rod is smooth and full, the painting rate of dead angles is high, the whole fishing rod is painted evenly, the brightness is high, the adhesive force is good, the stable product quality is ensured, bad phenomena such as color distortion and bubbling are avoided, the paint film is 50% thinner than the conventional paint and the whole fishing rod has less paint; besides, the painting way is lighter than the traditional way and is independent of skilled labors with high spraying seed and high efficiency.

A machine tool table movement control method includes the steps: acquiring a spindle safety following area; acquiring the current spindle speed in real time; calculating the offset angle of a spindle according to response lag time of a table servo driver and the spindle speed to obtain a new spindle following area for controlling a table; and dividing the new spindle following area into an accelerating section, a constant-speed section and a decelerating section in sequence, correspondingly changing the impulsing frequency of the table servo driver by a controller when the angle of the spindle is respectively positioned in the accelerating section, the constant-speed section and the decelerating section, and controlling the table to respectively run in accelerating, constant-speed and decelerating modes. By the aid of characteristics of the spindle following area, the rotating angle of the spindle serves as a triggering condition of the controller without depending on an upper sensor and a lower sensor, external interference factors are decreased, so that control is more accurate, damage and the scrap rate of workpieces are reduced, and the moving area is divided into three sections which are respectively controlled so that more stable movement of the table is ensured.

The invention discloses cylindrical lithium-ion battery forming and capacity-grading equipment, which comprises a rack, a charge-discharge power box, a battery clamping movement mechanism, a battery tray and a control mechanism, wherein the charge-discharge power box with a variable condition is arranged on the rack; the battery clamping movement mechanism is used for clamping positive and negative electrode tabs of a cylindrical lithium-ion battery; the battery tray is arranged in the battery clamping movement mechanism; the control mechanism is arranged in a personal computer (PC) outside a rack; the charge-discharge power box with the variable condition is electrically connected with the battery clamping movement mechanism; and the charge-discharge power box and the battery clamping movement mechanism are in control connection with the control mechanism respectively. According to the cylindrical lithium-ion battery forming and capacity-grading equipment, two procedures of forming and capacity-grading of the cylindrical lithium-ion battery can be finished; the equipment variety is simplified; and the production efficiency is improved, so that high quality, high efficiency and traceability of the cylindrical lithium-ion battery in the manufacturing process are achieved.

The invention provides equipment for processing musical instrument bags. The equipment comprises a base and two drilling and trimming mechanisms arranged on the base in a mirror symmetry mode. A clamping mechanism is arranged between the two drilling and trimming mechanisms. Each drilling and trimming mechanism comprises a support, and the support arranged on each drilling and trimming mechanism is slidably connected with the base through a first sliding mechanism. A first rotation mechanism is further arranged between each first sliding mechanism and the corresponding support. Cantilevers arerotationally connected with the side walls of the supports through second rotation mechanisms. Drilling and trimming assemblies are slidably connected with the cantilevers through second sliding mechanisms. The minimum distance between the edges of the cantilevers and the clamping mechanism is greater than or equal to 10 mm. According to the equipment for processing the musical instrument bags, the irregular bags are drilled and trimmed through the special clamping mechanism and the drilling and trimming mechanisms, drilling of curved side walls is rapid and convenient, the assembling efficiency can be improved through the clamping mechanism when the bags are assembled, and the problem that the musical instrument bags are difficult to process and low in efficiency is solved.

The invention discloses a measuring method and apparatus for the size of a raceway of a one-way sleeve in a one-way clutch of an automobile starting engine and provides a simple, convenient and rapid method for measuring the size of the raceway of the one-way sleeve, which can be used for directly measuring on a production field, stopping unqualified products and increasing the production efficiency. The measuring apparatus provided by the invention comprises a locating core 1, an irregularly-shaped locating ring 3, a joint screw 4, a support 5, a long pin 6, a measurement oscillating bar and a bottom plate 8, wherein the support 5 is arranged on the bottom plate 8, the irregularly-shaped locating ring 3is jointed onto the support 5 by using the joint screw 4, the locating core 1 is inserted to the irregularly-shaped locating ring 3, the measurement oscillating bar 7 is fixed on the support 5 by using the long pin 6, and a meter frame and a dial indicator are well assembled together and fixed on the bottom plate 8. The measuring apparatus can be used for measuring the sizes of different raceways of one-way sleeves. The measuring method and apparatus are applied to a production field, are remarkable in effect and are used for solving the problem that an irregularly-shaped raceway of the one-way sleeve cannot be measured.

A high-precision automatic wire winding device for fuel injector and its method relate to an automatic wire winding device and its method. The device comprises a tension control mechanism, a main wirewinding mechanism, a coil tap winding mechanism and a control system. The control system is respectively connected with a tension control mechanism, a main winding mechanism and a coil tap winding mechanism. The method comprises the following steps: step S1. Waiting starts, step S2. Winding the first tap of the coil, step S3. Winding the coil, step S4. Winding the second tap of the coil, step S5.Breaking the coil, and step S6. Removing the coil. As that tension control mechanism, main winding mechanism, Cooperation between that coil tap win mechanism and the control system, The invention canaccurately control the speed and winding position of the coil in the winding process, so that the winding wire is evenly distributed, the consistency is good, the wire tightness in the winding process can be ensured to be suitable, the requirements of the high-precision metering fuel injector for the winding wire are met, and the coil has the characteristics of good precision, high efficiency andhigh qualified rate, and is easy to be popularized and used.

The invention relates to a mixed pressing plate machining method and system, a computer storage medium and equipment. The machining method comprises the following steps of obtaining first preset machining data; obtaining first preset collapsible data; obtaining second preset machining data; obtaining second preset collapsible data; according to a first preset requirement, processing the data, andobtaining first machining data; on the basis of the first machining data, machining a mixed pressing plate. According to the machining system, the computer storage medium and the equipment, the hardware or software basis is provided for the machining method. The first preset collapsible data of a high frequency plate and the second preset collapsible data of a common plate are obtained, processingis performed on the basis of the first preset requirement, the first preset machining data and the second preset machining data, and therefore the first machining data is obtained; then, the mixed pressing plate is machined and obtained on the basis of the first machining data, the problem that different layer plates are defective or scrapped due to inconsistent collapsing is avoided, and the production cost is lowered.

The invention relates to a gate cutting device, which comprises a heater, a heat conducting part, a cutting blade, a product fixing seat and a punch. The heater is connected to the heat conducting part, the cutting blade is arranged at one end of the heat conducting part, the product fixing seat is arranged below the heat conducting part and the punch is connected to the upper part of the heat conducting part. Compared with the prior art, the invention has the advantages of accurate positioning, capability of controlling cutting size, greater batch cutting speed, nearly no scratching risk in use, high work efficiency, reduced defective products and wide scope of application.

The invention provides an internal connection structure of a button cell and a manufacturing method of the internal connection structure. The internal connection structure of the button cell is characterized in that the internal connection structure comprises an upper shell and a lower shell which are arranged in a covering manner; a winding body is arranged between the lower shell and the upper shell; the winding body comprises a positive electrode plate, a negative electrode plate and an isolation body which is positioned between the positive electrode plate and the negative electrode plateand is used for isolating the positive electrode plate from the negative electrode plate; the winding body is provided with a positive electrode tab and a negative electrode tab which respectively extend towards the upper part and lower part of the winding body; the positive electrode tab is connected with the positive electrode plate; the negative electrode tab is connected with the negative electrode plate; and at least one of the positive electrode tab and the negative electrode tab is electrically connected with the inner surface of the upper shell and the lower shell through a liquid metal layer or a low-temperature alloy layer, wherein the inner surface of the upper shell and the lower shell is opposite to the upper end surface and lower end surface of the winding body. With the above structure adopted, the connection between the tabs of the button battery and the battery shells is facilitated, and assembly efficiency is improved; welding equipment is decreased, so that manufacturing cost is saved; and defective products caused by solder skips and incomplete welding can be avoided.

The invention discloses a machining method of a sliding block cavity formed through precision cold drawing and a sliding block produced by adopting the method. The method comprises the steps that a sliding block is prepared, a precision cold drawing section bar is sawed into the sliding block with the length slightly greater than L by using a band sawing machine; two end faces are roughly milled, the front end face and the rear end face of a raw material block are milled by a horizontal milling machine to make the length of the sliding block basically equal to L; six surfaces are roughly grinded, namely the six surfaces of the sliding block are grinded by using a surface grinding machine, so that the width of the sliding block is equal to W, the height of the sliding block is equal to H, and the length of the sliding block is equal to L; return device holes and rolling ball through holes are drilled, namely the return device installing holes 8-Ma are dilled in the front and rear end faces of the sliding block and rolling ball through holes (shown in the description) are drilled in the front and rear end faces of the sliding block by adopting a machining center, user installing holes are drilled, namely the user installing holes 4-Mb are drilled in the upper end face of the sliding block by adopting the machining center; heat treatment is performed, namely the sliding block is quenched and oxidized; accurate grinding is conducted on a reference surface; the reference surface is accurately grinded to reach the sizes W and H by using the surface grinding machine; rollaway forming grinding is performed, namely forming and accurate grinding of a rollaway 4-R are performed by using a grinding machine special for the sliding block.

The invention discloses a punching die for a door and window glass guide groove. The punching die comprises an upper die plate, a lower die plate, guide posts, a left side punching mechanism, a right side punching mechanism and a movable clamping claw; the left side punching mechanism comprises a left side punching base with a left side first punching position and a left side second punching position, a plunger chip is installed on the upper die plate, and the right side punching mechanism comprises a right side punching base with a right side first punching position, a right side second punching position, a right side first plunger chip mechanism and a right side second plunger chip mechanism; the left side first punching position and the right side first punching position form a first station, and the left side second punching position and the right side second punching position form a second station. Punching of the two stations is achieved on one die, the two stations share one oil press, the space occupancy rate is small, the punching die is convenient and fast to operate, manual operation time is shortened, the product quality is promoted, the tatk is accelerated, the product qualification precision is met, and defective products are eradicated.