Silk moving transmission device

Abstract

The utility model discloses a silk moving transmission device which comprises a speed reducing motor, an eccentric wheel is installed at the motor shaft end of the speed reducing motor, the eccentric wheel is connected with a screw fisheye connector device, the other end of the screw fisheye connector device is connected with a reciprocating shaft, and the reciprocating shaft is arranged in a guide rail hole of a linear sliding block bearing in a penetrating mode. The eccentric wheel serves as a crank, the screw fisheye connector device serves as a connecting rod, the reciprocating shaft is driven to reciprocate in the linear sliding block bearing, and a crank sliding block mechanism is formed. Small-range silk moving motion is achieved through the eccentric wheel, the fisheye connector and the linear sliding block bearing, and the small-range silk moving device is simple in structure, small in occupied space, low in cost, small in installation difficulty and suitable for popularization of small-range silk moving in the industries of elasticizers, space-variant machines and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to yarn transfer structure technical field, especially a kind of yarn transfer drive device. BACKGROUND

[0002] In the production process of chemical fiber, the fiber is often stretched or deformed. The stretching or deforming process often needs the traction of roller. When the roller is traction, the structure of apron or skin roll is needed to increase the pressure on the tow. If the tow is kept unchanged at one position when the apron or skin roll is pressurized, a groove will be worn on the apron or skin roll. Therefore, each roller with apron or skin roll will increase the yarn transfer structure. The existing yarn transfer drive structure is usually achieved by chain transmission of reduction motor and cam structure. The cam structure is composed of chain wheel, cam, chain wheel cam connecting shaft, connecting shaft seat, cam slide and slide rod. The structure is complex, the installation difficulty is big, the special parts are many, the parts are complex, the processing cost is high, and the space is big. SUMMARY

[0003] The utility model aims at providing a yarn transfer drive device with simple structure, easy installation and small floor space.

[0004] Technical scheme: the yarn transfer drive device, comprising a reduction motor, an eccentric wheel is installed at the motor shaft end of the reduction motor, the eccentric wheel is connected with a screw eye joint device, the other end of the screw eye joint device is connected with a reciprocating shaft, the reciprocating shaft is arranged in the guide hole of the linear slide bearing, and the reciprocating shaft is connected with a yarn transfer plate.

[0005] Preferably, the eccentric wheel is provided with a locking threaded hole.

[0006] Preferably, a spacer is arranged between the eccentric wheel and the screw eye joint device.

[0007] Preferably, the eccentric wheel is a chamfered eccentric wheel.

[0008] Further, the screw eye joint device comprises a right-threaded eye bearing, a reverse-threaded eye bearing and a right-reverse screw rod, and the distance between the two threaded eye bearings is adjusted by rotating the right-reverse screw rod.

[0009] Further, the yarn transfer drive device further comprises a bearing slide block seat, and the linear slide bearing is installed on the bearing slide block seat.

[0010] Preferably, the bearing slide block seat and the reduction motor are respectively installed on the two sides of the wallboard.

[0011] Preferably, the reciprocating shaft is a reciprocating shaft with chrome plating or quenching treatment on the surface.

[0012] Beneficial effects: compared with the prior art, the utility model has the following advantages: 1, the utility model discloses eccentric wheel as crank, screw fish eye joint device as connecting rod, drive reciprocating shaft reciprocating motion in linear slider bearing, form crank slider mechanism;2, the utility model discloses through eccentric wheel, fish eye joint and linear slider bearing realize small range's silk movement, simple structure, small space occupation, low cost, small installation difficulty, it is suitable for the popularization of small range silk of elasticizer and air variable machine industry etc. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the front view of the utility model;

[0014] Figure 2 It is the plan view of the utility model;

[0015] Figure 3 It is the structure diagram of eccentric wheel;

[0016] Figure 4 It is the sectional view of eccentric wheel;

[0017] Figure 5 It is the structure diagram of screw fish eye joint device. DETAILED DESCRIPTION

[0018] The technical scheme of the utility model is further explained below in combination with the drawings.

[0019] As Figure 1 And Figure 2 The silk transmission device of the utility model, including speed reducer motor 1, eccentric wheel 2, spacer ring 3, screw fish eye joint device 4, reciprocating shaft 5, linear slider bearing 6 and bearing slider block 7.The speed reducer motor 1 is installed on the wallboard 8 of elasticizer or air variable machine through motor support, and the motor shaft end of speed reducer motor 1 is installed eccentric wheel 2, one end of eccentric wheel 2 is connected with spacer ring 3, the other end of spacer ring 3 is connected with screw fish eye joint device 4, the other end of screw fish eye joint device 4 is connected with reciprocating shaft 5, and reciprocating shaft 5 reciprocates in linear bearing slider 6, and bearing slider block 7 is used to support linear bearing slider 6.

[0020] As Figure 3 And Figure 4 The eccentric wheel shaft hole 21 and eccentric hole 22 of eccentric wheel 2 are located at both ends of eccentric wheel, the eccentric wheel shaft hole does not pass through eccentric wheel, and the position of eccentric hole can be set according to actual needs, which is not limited to being greater than the size of motor shaft to meet the requirements.The eccentric wheel shaft hole 21 is provided with locking screw hole 23 for locking eccentric wheel 2 and the shaft of speed reducer motor 1.

[0021] The spacer ring 3 is used to avoid the transmission interference between the eccentric wheel 2 and the screw fish eye joint device 4, and the connecting end of the screw fish eye joint device 4 is too close to the eccentric wheel 2 to cause the transmission process to be hindered. In another example, the spacer ring 2 is not used, and the transmission interference between the screw fish eye joint device 4 and the eccentric wheel 2 is avoided by removing the position of the eccentric wheel 2 and the joint which is prone to be hindered.

[0022] The screw fish eye joint device 4 comprises a right-thread fish eye bearing 41, a left-thread fish eye bearing 42 and a right-left-thread screw rod 43, and the distance between the right-thread fish eye bearing 41 and the left-thread fish eye bearing 42 can be adjusted by rotating the right-left-thread screw rod 43.

[0023] The reciprocating shaft 5 is installed in the guide hole of the linear guide bearing 6, and the reciprocating shaft surface is subjected to strength treatment, and is plated with chromium or subjected to surface quenching treatment. The linear guide bearing 6 adopts a standard SCS bearing.

[0024] The bearing slider seat 7 is installed on the equipment wall plate 8 on one side and the linear guide bearing 6 on the other side.

[0025] The utility model discloses a reduction motor 1 provides power, and the eccentric wheel 2 is as a crank, and the screw fish eye joint device 4 is as a connecting rod and a rotating pair to drive the reciprocating shaft 5 to reciprocate in the linear guide bearing 6, and the reciprocating shaft 5 is connected with the equipment shifting plate, and the silk thread is in the corresponding silk road of the shifting plate, and the shifting action is completed.

Claims

1. A wire shift transmission device comprising a reduction motor (1), characterized in that, The motor shaft end of a speed reducer (1) is installed with an eccentric wheel (2), the eccentric wheel (2) is connected with a screw eye joint device (4), the other end of the screw eye joint device (4) is connected with a reciprocating shaft (5), the reciprocating shaft (5) is arranged in the guide rail hole of a linear sliding block bearing (6), and the reciprocating shaft (5) is connected with a device shift plate. A partition ring (3) is arranged between the eccentric wheel (2) and the screw eye joint device (4).

2. The wire transfer drive of claim 1 wherein, The eccentric wheel (2) is provided with a locking threaded hole (23).

3. The wire transfer drive of claim 1 wherein, The eccentric wheel (2) and the partition ring (3) are replaced by a chamfered eccentric wheel.

4. The wire transfer drive of claim 1 wherein, The screw eye joint device (4) comprises a right-threaded eye bearing (41), a left-threaded eye bearing (42) and a right-left screw rod (43), and the distance between the two threaded eye bearings is adjusted by rotating the right-left screw rod.

5. The wire transfer drive of claim 1 wherein, A bearing sliding block seat (7) is further included, and the linear sliding block bearing (6) is mounted on the bearing sliding block seat (7).

6. The wire transfer drive of claim 5 wherein, The bearing sliding block seat (7) and the speed reducer (1) are respectively mounted on both sides of a wallboard (8).

7. The wire transfer drive of claim 1 wherein, The reciprocating shaft (5) is a reciprocating shaft with a chrome-plated or quenched surface.

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