45results about How to "Guaranteed Straight" patented technology

The invention discloses an appearance detection system for a cylinder product. The appearance detection system comprises a line scanning camera and further comprises a conveyor belt, wherein two flat plates are fixed above the conveyor belt; a detection channel is formed between the two flat plates at an interval; an included angle alpha is formed between the detection channel and a movement direction of the conveyor belt, and alpha is more than 0 degree and smaller than 90 degrees; and the detection channel is located at a photographing region of the line scanning camera. The appearance detection system can ensure that constant-speed movement in the axial and peripheral directions is kept when a material passes through a view field of the line scanning camera, so that an acquired image is linear, the boundary of the material is clear when the image is acquired, and the image processing difficulty is reduced; the material is driven by the belt to continuously move, and after front-section material supply is stopped, the material is not left on the section; the driving of the material is not influenced by other materials and can be suitable for any length, diameter and weight; and once if the material is stacked, the material automatically moves, so that the front-section material supply is slowed down or the speed of the belt is improved, the material can move out of a stacked region, and a material stacking fault is automatically removed.

The invention discloses a flame-retardant and high-temperature-resistant computer cable. The cable comprises core wires, first wrapping layers, a second wrapping layer, a shielding layer, an armor layer and a sheath layer. Each core wire comprises tinned copper core conductors and insulating layers; the outer side of each tinned copper core conductor is wrapped with the corresponding insulating layer; every two core wires are twisted to form a pair wire set; and the outer side of each pair wire set is wrapped with the corresponding first wrapping layer. According to the invention, the quartz fiber maintenance sleeve layer on the outer side of the cable has the advantages of flame retardance, high-temperature resistance, insulationresistance, ablation resistance, corrosion resistance, heatinsulation ability, wave transmission ability, excellent dielectric property and the like; the cable can be protected from combustion in case of a fire; compared with polyethylene insulation, the performance of the the cross-linked polyethylene insulation is greatly improved after cross-linking modification; the comprehensive performance such as the mechanical performance, the environmental stresscracking resistance, the chemical corrosion resistance, the creep resistance and the electrical performance is remarkably improved; and the temperature resistance level is remarkably improved.

The invention discloses a center positioning mechanism, a wire harness pouring device and a wire harness pouring method. The central positioning mechanism comprises a side plate, a sliding plate and aclamping mechanism; the wire harness pouring device comprises a center positioning mechanism and twopouring tools, pouring grooves are formed in the surfaces, facing each other, of the two pouring tools, when the pouring grooves of the two pouring tools are oppositely connected,two side plates are connected to the two pouring tools respectively, two positioning ends are connected to a wire harness penetrating through the pouring grooves, and the clamping centers of the two positioning ends are collinear with the centers of the pouring grooves. According to the invention, the wire harness canbe tensioned, and the axis of the wire harness is collinear with the central axis of the pouring grooves, so that the two ends of the wire harness and any position between the two ends can be locatedat the central position of a pouring object, and the wire harness is prevented from deviating. Before the wire harness is poured, the wire harness is preliminarily fixed through apouring material, after formal pouring, the front pouring material and the rear pouring material can be fused into a whole, and the wire harness is prevented from deviating in the pouring process.

The invention relates to the field of antennas, and discloses a built-in multi-directional self-adjusting integrated antenna in a car, which includes a fixing base and a vehicle-mounted integrated antenna. A driving motor is installed on the top of the fixing base, and the output shaft of the driving motor is fixedly connected to the There is a fixed plate, four evenly distributed miniature electric push rods are installed on the top of the fixed plate, and a mounting plate is installed on the bottom of the vehicle-mounted integrated antenna. The car has a built-in multi-directional self-adjusting integrated antenna. The control command output by the preset program in the car can control the independent expansion and contraction of four miniature electric actuators. When different miniature electric actuators are adjusted to different lengths, they can control The mounting plate is at different angles, so that the angle of the vehicle-mounted integrated antenna can be adjusted, and then the direction of the vehicle-mounted integrated antenna can be adjusted independently. Angle adjustment direction more.

The invention relates to a thread lifting platform. The thread lifting platform comprises a lifting rod seat, a lifting screw rod, a lifting screw cover, a support pillar, an abutting block, a fixing rotating screw, a stopper screw, steel balls, a pressing ring and a tightening screw. According to the thread lifting platform, the lifting screw cover adjusts the lifting screw rod and achieves the up-and-down motion through the guide of the steel balls, the abutting block with elasticity enters a V-shaped sliding groove through the support pillar abutting against the steel balls, the elasticity of the abutting block makes up for the error of the V-shaped sliding groove, the steel ball is made to contact with the V-shaped sliding groove tightly, and the arrangement of the two pairs of up-and-down steel balls guarantee the movement stability of the lifting screw rod in the lifting rod seat. The probation shows that the screw lifting platform has the advantages that the structure is simple, adjustment is convenient, and stability and reliability are possessed.

The invention discloses a film splicing device. The film splicing device comprises a box body, an opening is formed in the middle of the upper surface of the box body, the two ends of the opening aresymmetrically provided with pressing splicing assemblies, traction assemblies are installed below the pressing splicing assemblies, the pressing splicing assemblies drive the traction assemblies to work, a shearing assembly is installed between the pressing splicing assemblies and the traction assemblies, attraction assemblies are installed below the traction assemblies, adhesive tape sticking assemblies are installed above the opening, and a waste storage assembly is installed below the box body in a detachable mode. According to the film splicing device, through the arrangement of the wastestorage assembly, the occupied area of waste is reduced, the storage amount of a waste box is increased, the workload of operators is reduced, through the linkage arrangement between the pressing splicing assemblies and the traction assemblies, it is guaranteed that a thin film is kept in a straightened state during cutting, and then normal proceeding of cutting work is guaranteed.

The invention belongs to the technical field of connector production, and in particular relates to an ultra-long wire full-automatic terminal crimping equipment, which includes a full-automatic terminal machine and a wire guiding device connected to the full-automatic terminal machine and arranged on The side of the product exit of the automatic terminal machine; the wire guiding device includes a conveying area and a finished product stacking area, and the finished product stacking area is provided with at least two guide grooves, and a guiding mechanism is provided under the guide grooves; the fully automatic terminal The machine includes a cutting station and a terminal crimping station. The transfer area is located on the side of the cutting station, and the finished product stacking area is located on the side of the terminal crimping station. The automatic terminal crimping equipment for ultra-long wires of the present invention guides the wires by setting a guiding device to ensure that the wires are in a straight state, thereby cutting out ultra-long wires, and performing terminal crimping and tinning operations; A guiding mechanism and a finished product stacking area are set in the guiding device to realize fully automatic production.

The invention discloses a device for controlling a heating temperature field to purify and prepare polycrystalline silicon. The furnace body is provided therein with a heat insulation plate, a coolingplate, a crucible, a heating induction ring and a heat preservation tube. The heat preservation tube is provided therein with an upper graphite heating ring, a middle graphite heating ring and a lower graphite heating ring, connection rings are arranged between the upper graphite heating ring and the middle graphite heating ring, and between the middle graphite heating ring and the lower graphiteheating ring, respectively, and the connection rings are made from a high temperature resistant material with heat conduction coefficient of 10-50 W / m.k. A purification process comprises the steps: introducing a cooling gas into a cooling plate; introducing an inert gas into a furnace body, and meanwhile discharging through an exhaust pipe provided at the top of the furnace body to ensure a certain gas pressure existing in the furnace body; and controlling the upper graphite heating ring, the middle graphite heating ring, and the lower graphite heating ring to cool according to a certain procedure. The device and process for controlling heating temperature field to purify and prepare polycrystalline silicon facilitates the formation of a uniform temperature gradient, being favorable for crystal growth, and can effectively prevent the stepwise sudden change of a stepwise heat field from top down.