Drawbench

Abstract

The invention discloses three drawbenches, which are mainly applied in the fields of precisely drawing glass tubes, glass bars, plastic tubes and plastic bars. The invention provides a drawbench, which consists of a column foot 1, a motion platform 21, a motion platform controller 22, a prefabricated bar holding device 3, an electric furnace 41, an electric furnace temperature controller 42, a grate 5, a wire diameter meter 6, a wire diameter meter frame 7, a drawing device 81, a drawing control device 82 and the like. The drawbench is characterized in that the prefabricated bar holding device 3 is fixed on the upper part of the column foot 1; the motion platform 21 is fixed on the column foot 1 and positioned below the prefabricated bar holding device 3; the grate 5 is fixed on a motion plummer of the motion platform 21; the electric furnace is fixed on the grate 5; the wire diameter meter frame 7 is fixed on the motion plummer of the motion platform 21 and positioned below the grate 5; the wire diameter meter 6 is fixed on the wire diameter meter frame 7; and the drawing device 81 is fixed on the column foot 1 and positioned below the wire diameter meter 6. The precise drawbench can improve drawing precision of a drawing system and improve utilization rate of prefabricated bars.

Description

technical field [0001] The invention relates to a wire drawing machine, which is mainly used in the field of precision drawing of glass tubes, glass rods, plastic tubes and plastic rods. Background technique [0002] Precision glass tubes, glass rods, plastic tubes and plastic rods are widely used in instrumentation, electric light source, medical equipment and communication fields. Precision glass tubes, glass rods, plastic tubes and plastic rods are usually drawn from preforms to scale by wire drawing machines. see figure 1 At present, the existing wire drawing machine consists of tower base 1, motion platform 21 and motion platform controller 22, prefabricated side clamping device 3, electric furnace 41 and electric furnace temperature controller 42, furnace frame 5, wire diameter gauge 6, wire diameter gauge Components such as frame 7, wire drawing device 81 and wire drawing control device 82 are formed. Its mechanical structure is set as follows: the moving platform ...

AI Technical Summary

Problems solved by technology

[0003] At present, this kind of wire drawing equipment has the following problems: 1) because the preform rod is moving during the wire drawing process, there is always mechanical vibration, which affects the wire drawing accuracy; 2) when drawing a tubular preform rod, because the heating zone is in At the lower end of the tube, the air convection in the tube cannot be controlled, resulting in low wire drawing accuracy; 3) Due to the air convection in the furnace of the electric furnace, the change of the preform at the upper furnace mouth has a great influence on the furnace temperature, resulting in long remaining tail rods and low utilization of the preform

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