33results about How to "Achieve constant tension" patented technology

The invention discloses a system and method for intelligently controlling tube continuous annealing furnaces, belonging to the technical field of intelligent control. The system disclosed by the invention is formed through carrying out a technical improvement on an existing annealing device, and respectively carries out intelligent control on an auxiliary push roller drive motor, a guide roller drive motor, a take-up reel drive motor and a winding displacement control module; a temperature sensor is respectively added on an annealing furnace and a drying furnace so as to intelligently control the annealing and drying temperatures; and the control processes are all implemented by parameter input, a display module or a computer, thereby achieving the purpose of remote monitoring and control. According to the invention, a situation that wires run in zero tension in the annealing furnace can be ensured, thereby avoiding that the wires are stretched after being softened by heating; the wires subjected to annealing can achieve an effect of constant-tension take-up, and the temperature control precision of the drying furnace and the annealing furnace is high, therefore, a situation that the wires running in the furnaces are always in an optimal recrystallization state is ensured, and the energy-saving effect is good; and the system and method disclosed by the invention are high in degree of automation, and realize remote monitoring and intelligent control.

The invention relates to the field of textile machinery, in particular to a constant-force fast adjusting device of a weft feeder, which includes a casing, an inner tube fixed inside the casing and fixed to a fixed brush frame, and a screw; There is a wrench head assembly, and the inner end extends into the inner tube; there is a rib on the inner wall of the inner tube that divides the inner tube into an outer chamber and an inner chamber; A nut pressing block is matched with the inner wall of the outer chamber without rotation, and the tension spring sleeved on the screw rod is supported between the outer end faces of the ribs of the first nut pressing block; The nut pressing block is matched with the inner wall of the inner chamber without rotation, and the return spring sleeved on the screw rod is supported on the second nut pressing block and the inner end surface of the housing. The invention realizes stable and constant tension adjustment, and at the same time is simpler, convenient to process and low in cost.

The invention discloses a servo device of a trenching machine pipe coiling system. The device comprises a speed reducer, a constant tension control mechanism and a driving mechanism, wherein the constant tension control mechanism is used for providing constant tension to a hydraulic rubber pipe in a trenching machine; the driving mechanism is used for transmitting the power output by the speed reducer to the constant tension control mechanism; the constant tension control mechanism comprises a plunger type hydraulic oil tank and an energy accumulator connected with the plunger type hydraulic oil tank through a first oil pipe; a second oil pipe is connected with the first oil pipe through a tee joint; the driving mechanism comprises a driving shaft, a gear driving mechanism and a screw rod driving mechanism; the driving shaft is connected with the speed reducer; the gear driving mechanism is connected with the driving shaft; and the screw rod driving mechanism is connected with the gear driving mechanism, used for converting the rotary movement of the gear driving mechanism into the linear movement of a plunger rod in the plunger type hydraulic oil tank and is connected with the plunger rod in the plunger type hydraulic oil tank. The servo device is compact in structure, reasonable in design, convenient to mount and use, complete in function, good in servo performance, good in constant tension control effect, stable and reliable in performance and high in popularization and application value.

The invention discloses a pressure and tension combined-control abrasive belt grinding device and a using method thereof. The device comprises a contact wheel assembly, a first air cylinder, a drivingwheel assembly, a tensioning wheel assembly, a second air cylinder, a second idler wheel assembly and an abrasive belt, wherein the contact wheel assembly is connected with the extending end of an air cylinder push rod of the first air cylinder, and the first air cylinder is used for adjusting the contact pressure of the contact wheel assembly; the tensioning wheel assembly is connected with theextending end of an air cylinder push rod of the second air cylinder, and the second air cylinder is used for adjusting the tensioning force of the tensioning wheel assembly; and the abrasive belt sequentially passes through a driving wheel of the driving wheel assembly and a tensioning wheel of the tensioning wheel assembly, the second idler wheel of the second idler wheel assembly and the contact wheel of the contact wheel assembly and is tensioned. According to the pressure and tension combined-control abrasive belt grinding device, the contact wheel assembly and the tensioning wheel assembly are controlled to complete corresponding displacement, and the influence of changes of the normal grinding pressure on the tension is eliminated; and the grinding force of the grinding process is kept constant, so that the vibration in the grinding process is effectively reduced, and the quality of the machined surface and the service life of the abrasive belt are guaranteed.

The invention discloses a paper connecting machine control system and method. The paper connecting machine control system comprises a paper connecting control system and a paper tape tension control system, and the paper connecting control system and the paper tape tension control system both include a PLC and a motion control positioning module connected with the PLC; a first motion control positioning module is connected with a synchronous motion control system or the paper tape tension control system of a paper tape pressing connecting machine through cables, and the synchronous motion control system and the paper tape tension control system of the paper tape pressing connecting machine both include a plurality of servo amplifiers and servo motor units connected with the servo amplifiers; and the paper connecting machine control method includes a paper connecting control method and a tension control method. According to the paper connecting machine control system and method, the paper connecting control system and the paper tape tension control system are separately independent systems, so that the system complexity is lowered and system links are reduced; and servo motors are used for detecting the tension, and the coarse and fine control of the torque is combined, thereby achieving the tension constant in the conveying process of paper tapes of a paper connecting machine.

The invention discloses constant-tension cloth belt guide equipment of a square tooth arranger. The equipment comprises a guide column vertically arranged; and a cloth belt conveying device, a swing rod feeding device and a cloth belt clamping device are fixedly mounted on the guide column in sequence from top to bottom. As the cloth belt conveying device, the swing rod feeding device and the cloth belt clamping device are provided, when cloth belts enter the cloth belt conveying device, are conveyed on the swing rod feeding device, and penetrate through the cloth belt clamping device, the cloth belts are kept under the effect of the same one tension to achieve the constant tension effect, that is, the cloth belts are fed with the same one elastic force from an inlet to an outlet and in the outlet, the constant tension requirement in the production process is achieved, the same tooth gap of a zipper is guaranteed, and the product quality and the product assembly effect are improved.