11results about How to "No warping" patented technology

The utility model relates to stainless steel sheet cutting technical field discloses a kind of steel sheet cutting device for stainless steel kettle production, including conveyer, the middle part of conveyer is fixedly connected with mould, the top of conveyer is fixedly connected with support seat, the middle part of support seat is fixedly connected with hydraulic pole two, the bottom of conveyer is equipped with collection component, the collection component includes collection box, the bottom of conveyer is slidably connected in the collection box, the top of collection box is equipped with fixed hole, the middle part of conveyer is slidably connected with fixed rod, the fixed rod and fixed hole are mutually clamped. In the utility model, the steel sheet that is cut is made to drop into collection box by the through-hole on mould, then by the cooperation of collection box and limiting post, so that the steel sheet that drops can be neatly stacked in collection box, so that subsequent steel sheet is moved and handled, so that work efficiency is improved.

The utility model provides a port polishing device for shaft processing relates to port polishing device for shaft processing technical field, the utility model discloses the upper top fixedly connected with double -end motor of support, the output of double -end motor is provided with the polishing piece, the side fixedly connected with the power cord of double -end motor, the side of support is provided with the convenient polishing device, the convenient polishing device includes setting up the support frame of support side, the surface fixedly connected with the snap ring of support frame, the side of support is provided with the rectangular groove, one end of support frame is inserted into the inside of rectangular groove, the upper top of support frame is provided with the arc groove, the inside of arc groove is provided with the round groove, the inside rotatable connection of round groove has the ball, the upper top fixedly connected with the limit ring of support frame, the utility model solves the problem that the shaft does not completely adhere to the polishing piece and leads to uneven polishing possibly because of hand -held shaft polishing.

The utility model discloses a new energy lithium cell rubber coating device, including first pressure glue module, second pressure glue module and pressure glue station, the pressure glue station is located between first pressure glue module with second pressure glue module, first pressure glue module with second pressure glue module all are equipped with mounting seat, air cylinder, first slide rail subassembly, second slide rail subassembly, drive frame, first roller frame, second roller frame, first pressure roller and second pressure roller, air cylinder first slide rail subassembly with second slide rail subassembly all install in the top of mounting seat. The utility model discloses a new energy lithium cell rubber coating device, overcome the deficiency of existing lithium battery cell rubber coating equipment, it has the advantage of adapting different size electric core, pressure glue compact and high efficiency.

The invention discloses a platform moving type shaping device which comprises a gantry frame, a moving driving mechanism, a material receiving overturning platform, a battery cell side pushing mechanism, an X-direction positioning mechanism, a shaping mechanism and a Y-direction positioning mechanism, and the Y-direction positioning mechanism, the gantry frame and the battery cell side pushing mechanism are sequentially arranged from front to back. The movement driving mechanism penetrates through the gantry frame and the battery cell side pushing mechanism, one end of the movement driving mechanism is close to the Y-direction positioning mechanism, and the material receiving and overturning platform is arranged on the movement driving mechanism and located between the gantry frame and the battery cell side pushing mechanism; the X-direction positioning mechanism and the shaping mechanism are both arranged on the gantry frame and located above the material receiving and overturning platform. According to the invention, the accuracy of the position of the battery cell can be ensured, so that the battery cell can be accurately fed into the cartridge holder of the formation and capacity grading device through the material taking device, one end of a tab and one end of an air bag are prevented from warping, and the quality of the battery cell is improved.

The application belongs to the field of semiconductor chip assembly, and particularly relates to a method for eutectic sintering of semiconductor chips. The method uses formic acid as a protective agent during eutectic sintering, and scientifically sets the eutectic sintering temperature rising and constant temperature programs, so that heat can be effectively and uniformly transferred to the solder and the chip, the solder can be stably melted, the formation of voids is reduced, and the adverse effects of the voids on the qualified rate of the solder piece are reduced.

The application discloses a method for electron beam fuse additive manufacturing of beta titanium alloy components, and belongs to the technical field of additive manufacturing. The application aims to solve the problems of long preparation period, low efficiency, low utilization rate, serious oxidation, significant beta spot and poor strength and toughness of the prior art. The method comprises the following steps: pretreating the printing wire and the substrate; establishing a three-dimensional entity model based on the target beta titanium alloy component, performing slice processing on the three-dimensional entity model to generate multi-layer two-dimensional slice data, and then importing the slice data into an electron beam fuse additive manufacturing equipment, and setting a scanning path, preheating parameters and printing process parameters; starting the equipment and performing vacuumization, printing the beta titanium alloy according to the set printing parameters and procedures, completing all layers, and obtaining the beta titanium alloy component. The beta titanium alloy component prepared by the application has high density, and provides a reliable technical approach for the preparation of high-performance beta titanium alloy components in the fields of aviation and aerospace.

The invention provides an electron beam fuse additive manufacturing method for gradient TA15 titanium alloy, and belongs to the technical field of additive manufacturing. The problem that a traditional manufacturing process is more and more difficult to meet the machining and manufacturing requirements of TA15 parts of complex structures is solved. The method comprises the following steps that 1, a printing wire and an additive substrate are pretreated; 2, a printing program is set, a three-dimensional solid model is established based on the target TA15 titanium alloy, slicing treatment importing is conducted, and a scanning path, preheating parameters and printing process parameters are set; and 3, equipment is started, vacuumizing is conducted till the pressure reaches 9.9 * 10 <-3 > Pa, TA15 alloy printing is conducted according to the set printing parameters and programs, all layers are completed, in the step 1, an additive substrate is a TA1 substrate, the size of the substrate is 200 mm * 10 mm * 10 mm, a printing wire is a TA15 alloy wire, and the diameter of the wire is 1.6 mm. The method is mainly used for additive manufacturing of the gradient TA15 titanium alloy.

The utility model relates to the technical field of packaging bag processing, and discloses a cutting device for packaging bag processing, which comprises a working table, a connecting assembly is fixedly connected outside the working table, the connecting assembly is used for supporting and limiting a processing assembly, the front side of the connecting assembly is fixedly connected with a fixing plate, and the fixing plate is fixedly connected with the working table. A first motor is fixedly connected to the upper side of the fixing plate, a rotating roller is fixedly connected to the output end of the first motor, a coil is slidably connected to the outer portion of the rotating roller, a supporting block is fixedly connected to the left end of the coil, and a sliding block is fixedly connected to the upper side of the supporting block. According to the packaging bag cutting device, it can be guaranteed that the cutting size and shape of each packaging bag meet the requirements, the cutting process can be automatically completed, the production efficiency is greatly improved, the packaging bags can be automatically fixed and limited, edge warping of the packaging bags is avoided, and the packaging bag cutting device is convenient for workers to use.

The invention relates to the technical field of additive manufacturing, and discloses laser sintering 3D printing polyamide powder which is prepared by cryogenic grinding and screening of polyamide particles under the conditions of-100 to-70 DEG C and 500-800 rpm, and the D10 / D50 / D90 of the powder is 20-30 [mu] m, 40-55 [mu] m and 80-100 [mu] m in sequence; the polyamide particles are prepared from the following raw materials: (i) polyamide, the polyamide contains at least one polyamide A with the brittle temperature of-70 to-30 DEG C and at least one polyamide B with the brittle temperature of less than or equal to-70 DEG C, and the weight ratio of the polyamide A to the polyamide B is (3-5): 5; (ii) a polyolefin component, the brittle temperature of the polyolefin component is less than or equal to-70 DEG C, the polyolefin component is a polyolefin elastomer and / or polyolefin, and the weight ratio of the polyolefin component to the polyamide is 1: (5-10); and (iii) reinforcing fibers, wherein the weight ratio of the reinforcing fibers to the polyamide is 1: (5-10). The laser sintering 3D printing polyamide powder has excellent fluidity and a wide sintering window, and the problems of rough appearance, internal cavities, workpiece warping and the like are not easily generated when the laser sintering 3D printing polyamide powder is used for laser sintering processing.

This utility model discloses a sealing strip pressing device for door and window processing, relating to the field of door and window processing equipment. It includes a first support rod, a second support rod, a roller, a third support rod, a guide tube, a guide wheel, a fourth support rod, a handle, and a dripper. The first support rod is horizontally positioned, with its front end vertically connected to the second support rod. The bottom end of the second support rod is connected to a roller for pressing the sealing strip. The rear end of the first support rod is vertically connected to the third support rod, with the bottom end of the third support rod connected to the guide tube. The guide tube has guide wheels on its bottom and left and right sides for guiding the sealing strip. The top of the first support rod is vertically connected to the fourth support rod, with the top end of the fourth support rod connected to the handle. The bottom of the guide tube is connected to a dripper containing adhesive. This device integrates sealing strip guiding, adhesive dripping control, and sealing strip compaction functions, allowing the operator to complete all actions with one hand.

The application belongs to the technical field of semiconductor micro-assembly and chip bonding strength test, and particularly relates to a vacuum adsorption fixing device for micro chip bonding force test and a test method. The device comprises a seat body, a groove body is arranged on the upper end surface of the seat body, a vacuum through hole is arranged on the lower end surface of the seat body, and the groove body is communicated with the vacuum through hole; a porous adsorption layer is arranged in the groove body; and a sealing plate is pressed on the upper end surface of the porous adsorption layer, an opening is arranged in the center of the sealing plate, and an anti-collision limiting ring is arranged around the opening.