CN2510273Y - Spiral-roll fixed-pitch stretching apparatus - Google Patents

Abstract

The utility model provides a spiral winding fixed pitch tensile device which mainly comprises a motor, a high speed grade belt transmission, a low speed grade belt transmission, an active rubber roller, a differential rubber roller, an active cone roller, a driven move cone roller, a speed adjusting spiral, shafts and bearings. The motor drives the small belt wheel on the high speed grade belt transmission. The main shaft cone roller, the large belt wheel on the high speed grade belt transmission and the active rubber roller are all arranged on the active shaft; and the driven move cone roller, the small belt wheel on the low speed grade belt transmission are both arranged on the middle shaft. The large belt wheel on the low speed grade belt transmission and the differential rubber roller are arranged on the driven shaft. A speed adjusting spiral are installed between the active cone roller and the driven move cone roller, and the speed adjusting spiral is provided with a speed adjusting spiral control handle; the bearings are all installed on the box. The utility model is simple in structure, easy in use; and the utility model not only can enhance the quality of metal and rubber products, but also can improve the production efficiency of producing the rubber products.

Description

A kind of screw roll fixed pitch stretching device

Technical field:

The utility model relates to a kind of screw roll fixed pitch stretching device, specifically prepares the special equipment of metal-rubber product.

Background technology:

The metal-rubber product is to be that the wire of 0.05～0.3mm is raw material with diameter, through the structural member of special preparation technological forming, can be widely used in damping vibration attenuation, sealing, filtration and the heat conduction structure under the special operation conditions such as high temperature, low temperature, the big temperature difference, high vacuum and corrosive environment.In fields such as Aeronautics and Astronautics, auto industry and extraordinary shaft coupling, metal-rubber becomes the best substitute of General Purpose Rubber.When preparation metal-rubber member, at first, select suitable wire, roll into helical coil (this helical coil shape is as elongated extension spring); Its two, according to the version and the work characteristics of required metal-rubber member, the stretching helical coil to be changing its pitch (helical coil behind the drawn is as elongated compression spring), firmly chimeric when being beneficial to moulding between the helical coil; Its three, the helical coil after stretching is routed in the corresponding mould according to certain rules, make blank and cold moudling; At last, carry out post-production, prepare qualified metal-rubber product.China still is in the starting stage to the development of metal-rubber product, constant pitch stretching to helical coil in the development process is finished mostly by hand, manual stretching helical coil is the labour intensity height not only, cause the huge waste of human resources, and this process is subjected to artificial factor very big, be difficult to guarantee the uniformity of stretching rear screw volume pitch, directly influenced in the metal-rubber molding component process uniformity of adhesion and the stability of properties of product between the helical coil.Therefore, utilize manual method that helical coil is carried out the batch process that the constant pitch stretching is not suitable for the metal-rubber product, the quality to product also is difficult to guarantee simultaneously.

Summary of the invention:

Elaborate the utility model principle and structure below in conjunction with accompanying drawing, the utility model is mainly by dc motor 1, level band transmission 2 at a high speed, active rubber roll 3, active tapered roller 4, speed governing spiral 5, speed governing spiral joystick 6, driven tapered roller 7, slow speed turbine stage band transmission 8, differential rubber roll 9, axle 10,13,16 and bearing 11,12,14,15,17,18 form, wherein on casing 19, go up the nowel face from left to right bearing 17 is housed successively, 18 and 14,15 and 11,12, bearing 17, axle 16 is housed between 18, bearing 14, axle 13 is housed between 15, bearing 11, axle 10 is housed between 12, the big belt wheel of slow speed turbine stage band transmission 8 is equipped with in axle 16 upper ends, differential rubber roll 9 is equipped with in the lower end, driven tapered roller 7 is housed in the middle of the axle 13, the small pulley of slow speed turbine stage band transmission 8 is equipped with in axle 13 upper ends, initiatively tapered roller 4 and the big belt wheel of level band transmission 2 at a high speed are housed in the middle of the axle 10, and the big belt wheel of level band transmission 2 at a high speed is below active tapered roller 4, initiatively rubber roll 3 is equipped with in the lower end of axle 10, initiatively rubber roll 3 is a pair of, one of them is fixed on the lower end of axle 10, another is assemblied in the end with axle 10 parallel little axles, be driven pulley, the other end of little axle is installed on the casing 19 by bearing, differential rubber roll 9 also is a pair of, one of them is fixed on axle 16 lower ends, another is assemblied in the end with axle 16 parallel little axles, be driven pulley, the other end of little axle is installed on the casing 19 by bearing, the small pulley of level band transmission 2 is contained on the output shaft of motor 1 at a high speed, between active tapered roller 4 and driven tapered roller 7, speed governing spiral 5 is housed, speed governing spiral joystick 6 is arranged on speed governing spiral 5, and speed governing spiral 5 is made up of screw rod and nut.Axle 10 is a driving shaft, and axle 16 is a driven shaft, and axle 13 is a jackshaft, and during work, the helical coil 21 that is stretched is in pilot conduits 20, and pilot conduits 20 is in the middle of the active rubber roll 3 and in the middle of the differential rubber roll 9.Operation principle of the present utility model is: motor 1 is by level band transmission 2 at a high speed, drive initiatively rubber roll 3 and initiatively tapered roller 4 simultaneously, initiatively tapered roller 4 will move after by 5 speed governing of speed governing spiral and transmission of power arrives driven tapered roller 7, and the speed of driven tapered roller 7 is delivered to differential rubber roll 9 by slow speed turbine stage band transmission 8.Like this, under the guiding of helical coil that be stretched, during through rubber roll, utilize the linear differential Δ v between active rubber roll 3 and the differential rubber roll 9, can realize that just the constant pitch of helical coil stretches in pilot conduits; Simultaneously, by adjusting the linear differential that the speed governing spiral changes active rubber roll 3 and differential rubber roll 9, realize the requirement of the different pitch of helical coil.The utility model not only helps improving the quality of metal-rubber product, and the metal-rubber product can be produced in batches, and greatly improves preparation metal-rubber production efficiency of products.

Description of drawings:

Fig. 1 is the utility model principle assumption diagram.

Fig. 2 is the utility model fundamental diagram.

The specific embodiment:

The utility model casing length * height * wide is 300 * 200 * 150 millimeters, the utility model direct current drive acc power is 24W, rotating speed is 1400 rev/mins, bearing is a self-aligning ball bearing, initiatively the driving-belt nominal length is 320 millimeters, 480 millimeters of driven driving-belt nominal lengths, initiatively the tapering of tapered roller and driven tapered roller is 1: 6, the pitch of speed governing spiral is 1 millimeter, all roller core materials are the 45# steel in the utility model, the roller wheel rim is a neoprene, and initiatively rubber roll and differential rubber roll diameter are 32 millimeters.

Claims (1)

1, a kind of screw roll fixed pitch stretching device, it is characterized in that: mainly by dc motor [1], level band transmission [2] at a high speed, active rubber roll [3], active tapered roller [4], speed governing spiral [5], speed governing spiral joystick [6], driven tapered roller [7], slow speed turbine stage band transmission [8], differential rubber roll [9], axle [10], [13], [16] and bearing [11], [12], [14], [15], [17], [18] form, wherein on casing [19], go up the nowel face from left to right bearing [17] is housed successively, [18] and [14], [15] reach [11], [12], bearing [17], axle [16] is housed [18], bearing [14], axle [13] is housed [15], bearing [11], axle [10] is housed [12], the big belt wheel of slow speed turbine stage band transmission [8] is equipped with in axle [16] upper end, differential rubber roll [9] is equipped with in the lower end, driven tapered roller [7] is housed in the middle of the axle [13], the small pulley of slow speed turbine stage band transmission [8] is equipped with in axle [13] upper end, initiatively tapered roller [4] and the big belt wheel of level band transmission [2] at a high speed are housed in the middle of the axle [10], the big belt wheel of level band transmission [2] is in active tapered roller [4] below at a high speed, initiatively rubber roll [3] is equipped with in the lower end of axle [10], initiatively rubber roll [3] is a pair of, one of them is fixed on the lower end of axle [10], another is assemblied in an end of the little axle parallel with axle [10], the other end of little axle is installed on the casing [19] by bearing, differential rubber roll [9] is a pair of, one of them is fixed on axle [16] lower end, another is assemblied in an end of the little axle parallel with axle [16], the other end of little axle is installed on the casing [19] by bearing, the small pulley of level band transmission [2] is contained on the output shaft of motor [1] at a high speed, between active tapered roller [4] and driven tapered roller [7], speed governing spiral [5] is housed, speed governing spiral joystick [6] is arranged on speed governing spiral [5], helical coil [21] is passed in pilot conduits [20], and pilot conduits [20] is in the middle of active rubber roll [3] and in the middle of the differential rubber roll [9].

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