49results about How to "Guaranteed arc" patented technology

The invention provides packaging equipment possessing an arc edge fingerprint identification chip. The equipment comprises a pair of dies. The dies are divided into an upper die and a lower die. A slot position which can accommodate a PCB is arranged in the lower die. The PCB is an entire PCB on which multiple groups of fingerprint identification devices are welded. The upper die is provided with circular or oval or flat oval cavities which can accommodate the identification devices, have a consistent shape with the fingerprint chip and possess arc edges. The cavity and the fingerprint identification devices on the PCB are correspondingly arranged. The cavities are connected to a packaging material injection port through a hot runner. The hot runner is divided into a main runner and a branch runner. The main runner is connected to the injection port. The branch runner is connected to side edges of the cavities. A distance between an inner surface of the upper die and a slot position bottom surface is equal to a thickness of the PCB. A depth of the cavities is greater than a height from the PCB surface to an upper surface of the identification devices.

The invention discloses a pillow suitable for physiological size of the human body and a making method. For achieving the purpose of making a pillow suitable for corresponding specific individual according to the difference of a head shape, a neck shape and a shoulder shape of the human body, customized design and pillow production are achieved. In addition, the pillow is divided into a hard baselayer special for shaping and a soft cushion layer special for improving the comfort level, wherein the base layer is located under the cushion layer, the base layer can be produced in a modular mode,splicing and adjustment are performed according to the demand, the base layer can be also directly formed through 3d printing, and the requirements for all dimensions including arc-alignment degree,perpendicularity and horizontal width of the pillow can be met in the two ways.

The invention belongs to the technical field of metro construction and relates to a self-anchored template bracket system for a connecting channel and a construction method. A first steel template anda second steel template are spliced by small steel templates which can be repeatedly used, and meanwhile, the radian of a structural arch wall can be also guaranteed and the rigidity also can meet the demand fully. By taking pre-bended I-shaped steel as a main keel and reserving a self-anchoring bar to fix the I-shaped steel when a structural bottom plate is poured, so that the system is stressedwell, a relatively large operation space is released and second lining concrete is poured conveniently. The I-shaped steel is reinforced assisted by a simple bracket and is served as an operating platform of pouring the second lining concrete, the passing condition of operators is good, and meanwhile, the stability of the whole template bracket system is also improved.

The invention discloses a diamond grinding block dressing device for a polished tile, relates to a diamond grinding block dressing device and aims to solve the problems that the dressing efficiency is low and the dressed grinding block has low linearity in the conventional diamond grinding block dressing method. A guide rail of a first lead screw guide rail worktable and a guide rail of a second lead screw guide rail worktable are arranged in a T shape; a first large belt pulley is fixedly sleeved at one end of a first transmission shaft; a first electrode is fixedly arranged at one end of the first transmission shaft; a first small belt pulley is in transmission connection with the first large belt pulley through a first synchronous belt; a first grinding block clamp is fixedly sleeved in the middle of the first transmission shaft; a second electrode is fixedly arranged at one end of a second transmission shaft; a second small belt pulley is in transmission connection with a second large belt pulley through a second synchronous belt; a second grinding block clamp is fixedly sleeved in the middle of the second transmission shaft; and a plurality of grooves are uniformly formed on the first grinding block clamp and the second grinding block clamp along a circumferential direction. The device is used for dressing the diamond grinding block.

The invention discloses a full-automatic double-sided polishing device for glass, and relates to the technical field of glass polishing. The full-automatic double-sided polishing device for glass comprises a polishing frame; the polishing frame comprises a driven rod, a fixing frame and an adjusting mechanism, the driven rod is rotationally matched with the top in the polishing frame, a polishingmechanism is slidably arranged in the driven rod, and the fixing frame is rotationally matched with the middle of the polishing frame; and the driven rod is linked with the fixing frame through a belt, the adjusting mechanism comprises a sheave mechanism, a motor and a crank mechanism, a driving rod is rotationally matched in the fixing frame, the two ends of the driving rod are respectively connected with a fixing plate and the sheave mechanism, and the motor is connected with the fixing frame through the crank mechanism. According to the full-automatic double-sided polishing device for glass, the driven rod and the fixing frame are controlled to be in a reverse rotation direction through the adjusting mechanism, so that the upper edge and the lower edge of the glass can be respectively polished by a polishing head, the peripheral side surfaces of the glass can be sequentially polished through intermittent rotation controlled by the sheave mechanism, and the working efficiency is improved.

The invention relates to a manufacturing method of a large-section small-radius hyperbolic box beam. The manufacturing method is characterized in that the large-section small-radius hyperbolic box beam is designed and disassembled into four blocks of a long flange slab, a short flange slab, a long web plate and a short web plate correspondingly, the long flange slab, the short flange slab, the long web plate and the short web plate are prepared by blanking and bending correspondingly, and then the long flange slab, the short flange slab, the long web plate and the short web plate are assembledand welded to form the large-section small-radius hyperbolic box beam. The manufacturing method has the beneficial effects that by adopting the scheme for manufacturing the large-section small-radiushyperbolic box beam, the error is reduced and the radian of the hyperbola is guaranteed, the appearance of the whole component is ensured, and the processing progress of the component is improved toa greater extent; and the radian of the box beam is guaranteed to be formed at one time, and the phenomenon of folding marks and bumps is further avoided.

The invention relates to the field of automobile part machining, in particular to a machining device for a front roof panel assembly. The machining device for the front roof panel assembly comprises a rack, a welding mechanism and a clamping mechanism, wherein the clamping mechanism comprises a base, an oscillating rod and an air cylinder; the oscillating rod and the air cylinder are rotatably connected onto the base; a first clamping group and a second clamping group are arranged on the clamping mechanism; the first clamping group comprises a first lower clamping jaw located on the base and a first upper clamping jaw located on the oscillating rod; and the second clamping group comprises a second lower clamping jaw located on the base and a second upper clamping jaw located on the oscillating rod. The invention further provides a machining process for the front roof panel assembly. The machining process comprises the following steps of 1, preparing a front roof panel outer plate and a front roof panel inner plate; 2, using the clamping mechanism for clamping the front roof panel outer plate and the front roof panel inner plate, and adjusting the clamping force of the clamping mechanism; and 3, welding the front roof panel outer plate and the front roof panel inner plate by using the welding mechanism. According to the machining process and device for the front roof panel assembly provided by the invention, the processing and production qualification rate of the front roof panel assembly is improved.

The invention provides an arc template positioning and adjusting device and a method for positioning a template by using the same. The device comprises a supporting frame, a fixed baffle and a movablebaffle, the fixed baffle is arranged and connected to the supporting frame, and a distance measuring device is arranged on the fixed baffle and used for measuring the distance between the fixed baffle and a preset position, so as to position an inner side arc template; a preset position is the central position of a liquid purifying tank or a rotational flow tank, the movable baffle is connected to the supporting frame in the length direction of the supporting frame in a position-adjustable mode and used for adjusting the distance between the fixed baffle and the movable baffle, so as to position an outer side arc template. According to the invention, the distance between the fixed baffle and the central position of the liquid purifying tank or the rotational flow tank is measured throughthe distance measuring device, so that the inner side arc template is positioned, measured and adjusted through the fixed baffle; and the movable baffle moves along the supporting frame, so that the distance between the fixed baffle and the movable baffle is adjusted according to the design sizes of the liquid purifying tank and the rotational flow tank.

The automatic film blowing device comprises the conveying table, an air guide pipe is fixed to one side of the conveying table, a plurality of universal bamboo joint blowpipes are arranged on the air guide pipe in a penetrating mode, two sets of first side plates are arranged on the upper surface of the conveying table, and first through grooves are formed in the ends, away from the air guide pipe, of each set of first side plates; a first gear disc is rotationally arranged in the first through groove, a second side plate is fixed to the outer side wall of the first gear disc, a second gear disc is further rotationally arranged in the first through groove, and the second gear disc is connected with the first gear disc in an engaged mode. Through cooperation of a second side plate, a first gear disc and a second gear disc, an operator can adjust and rotate a rotating disc and correspondingly adjust the position of the first side plate according to site conditions, so that the first side plate is located at the optimal air guide position, air blown out of the universal bamboo joint air blowing pipe is guided, and the air blowing efficiency is improved. And wind blown by the universal bamboo joint blowpipes located on the outer side is prevented from diffusing to the outer side, and the use effect is not affected.

The invention discloses a transformer paper tube bonding device. An upper press plate is a rectangular frame; a lower support plate comprises a cross beam and a vertical support seat; the cross beam and the vertical support seat are both a rectangular frame; the vertical support seat is fixed at the upper end on one side of the cross beam; the length of the upper press plate is less than the length of the cross beam; a compaction device is arranged at the left and right ends of the upper press plate respectively; a screw I is fixed at the upper end of a fixing block I and sequentially passes through an oblong hole in the cross beam and an oblong hole in the upper press plate; a hand wheel I is mounted at a threaded end on the upper side of the screw I; a connecting rod is articulated between the upper press plate and the cross beam; when the left end surface of the upper press plate is level with the left end surface of the cross beam, the center line of the articulation hole in the upper press plate does not stay on the same vertical line with the center line of the articulation hole in the cross beam; and a stretching device is arranged on the vertical support seat. In the invention, the structure is simple, the transformer paper tube bonding side is under uniform stress, the finished product can be taken out easily without auxiliary equipment, and thus the device has high efficiency and is convenient to use.

The pain relieving device for the pain department comprises a main support, an auxiliary support is slidably connected to the interior of the main support, side supports are installed on the rear sides of the left end and the right end of the main support, and fixing belts are connected to the rear sides of the side supports; the lower supporting box body is installed on the front side of the lower portion of the auxiliary support, a heating pipe is installed on the bottom side face in the lower supporting box body, and a feeding port is connected to the upper left side of the lower supporting box body; and the heat insulation cotton is mounted in the side wall of the lower supporting box body. According to the pain relieving device for the pain department, the lower supporting box body and the relieving pillow are arranged, the distance between the lower supporting box body and the relieving pillow can be adjusted through the main support and the auxiliary support which are connected in a sliding mode, it is guaranteed that the lower supporting box body and the relieving pillow correspond to the waist and the neck of a patient respectively, and the waist of the patient is supported and pushed through the lower supporting box body; the waist of the patient can be guaranteed to have a certain radian, and waist pain of the patient is relieved through pressing force of the lower supporting box body.

The invention provides a shaping processing method for an arc-shaped battery, and the arc-shaped battery. The shaping processing method for the arc-shaped battery comprises the following steps: carrying out pre-pressing operation on a battery cell so as to allow the battery cell to form an arc-shaped battery cell; providing a shaped battery cell; connecting the shaped battery cell with the arc-shaped battery cell; performing stamping operation on an aluminum-plastic film sheet body so as to allow an arc-shaped accommodating groove matched with the arc-shaped battery cell to be formed in the aluminum-plastic film sheet body; placing the shaped battery cell and the arc-shaped battery cell which are connected with each other in the arc-shaped accommodating groove; and bending the aluminum-plastic film sheet body to allow the aluminum-plastic film sheet body to form an arc-shaped packaging sleeve covering the shaped battery cell and the arc-shaped battery cell. According to the invention, the flat battery cell is quickly bent and pressed into an arc-shaped structure through pre-pressing operation, so the processing time of bending and pressing is favorably shortened; the arc-shaped battery cell is fixed through the shaped battery cell, so the arc-shaped battery keeps self radian in the processes of transportation and circulation; and as bending operation does not need to be carried out on an packaged aluminum-plastic film, wrinkles caused by bending operation can be effectively avoided.

The invention discloses a manufacturing method of a tank top steel skin plate of a large-scale stainless steel tank. The manufacturing method is characterized by comprising the following steps: a, drawing an arrangement drawing of the tank top steel skin plate according to the design working drawing of the large-scale stainless steel tank; b, conducting blanking according to the arrangement drawing of the tank top steel skin plate, cutting steel plates and carrying out weld preparation, conducting machining or carrying out automatic and semi-automatic flame cutting machining, and carrying out manual flame cutting machining on the circular arc edge of the tank top steel skin plate; c, designing an arc sample plate of the tank top steel skin plate according to the 60-degree central angle of the spherical arched top of the construction drawing of the large-scale stainless steel tank; inspecting by the arc sample plate after the arc component of the tank top steel skin plate is machined and molded; and inspecting warpage of the tank top steel skin plate on a platform. The manufacturing method of the tank top steel skin plate of the large-scale stainless steel tank has the advantages of good formation degree of the tank top steel skin plate, capability of effectively ensuring the radian of the arched top plate and preventing the deformation and attractive appearance of the spherical spherical arched top.