CN215560870U - Drafting mechanism for yarn spinning frame - Google Patents

Abstract

The utility model discloses a drafting mechanism for a yarn spinning frame, which comprises a bracket, a drafting device and a drafting assembly, wherein the bottom of the bracket is arranged on the spinning frame, the drafting assembly is arranged at the upper part of the bracket and comprises a fixed plate and a drafting assembly connected to the fixed plate, and the back surface of the fixed plate is welded and fixed with the bracket; the drawing assembly comprises a drawing rod and a lead roller, the lead roller is arranged on a sliding sleeve, the sliding sleeve is sleeved on the drawing rod in a sliding manner, one end, close to the fixed plate, of the drawing rod is connected with the fixed plate in a sliding manner through a sliding assembly, and a limiting assembly is further arranged on the fixed plate; according to the drafting mechanism for the yarn spinning machine, the drafting rods can move around the periphery of the fixing plate, so that the angle positions of the drafting rods are changed, the positions of the guide rollers on the drafting rods can be adjusted in a sliding mode, and the guide rollers can play a role in guiding the drafting yarns at different angle positions through double sliding adjustment.

Description

Drafting mechanism for yarn spinning frame

Technical Field

The utility model belongs to the technical field of yarn spinning machines, and particularly relates to a drafting mechanism for a yarn spinning machine.

Background

The spinning frame is a spinning machine which drafts semi-finished roving or slivers, twists and winds into spun yarn tube yarns in the spinning process, the slivers are drafted and twisted on the roving frame to form roving, a combing machine combs fibers to form combed slivers, a gill box combines the slivers, the gill arrangement drafting improves the sliver structure, the roving is further twisted and spun into spun yarns on a ring spinning frame, and the spinning frame is a main machine for spinning. The yield and the quality of spun yarns are comprehensively reflected by the advantages and the disadvantages of all working procedures of a spinning process, a drafting mechanism is required to be used in the use of a spinning machine so as to complete the guided drafting of the yarns, however, many drafting mechanisms used for the yarn spinning machine at present cannot be conveniently adjusted, so that the aim of drafting the yarns at different positions cannot be achieved.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the drafting mechanism for the yarn spinning machine is provided to solve the problems in the prior art.

The technical scheme is as follows:

a drafting mechanism for a yarn spinning frame comprises a bracket of which the bottom is arranged on the spinning frame, and a drafting device arranged at the upper part of the bracket, wherein the drafting device comprises a fixed plate and a drafting assembly connected to the fixed plate, and the back of the fixed plate is welded and fixed with the bracket;

the drawing assembly comprises a drawing rod and a lead roller, the lead roller is arranged on a sliding sleeve, the sliding sleeve is sleeved on the drawing rod in a sliding manner, one end, close to the fixed plate, of the drawing rod is connected with the fixed plate in a sliding manner through the sliding assembly, and the fixed plate is further provided with a limiting assembly for limiting the position of the sliding assembly; the purpose of guiding and drafting the yarn at different positions can be met by adjusting the drafting assembly.

In a further embodiment, four drafting assemblies are arranged outside a fixed plate, the fixed plate is circular, and a gap for the sliding assembly to move is reserved between the back surface of the fixed plate and the front surface of the bracket; the arrangement makes the sliding of the traction rod smoother and more flexible.

In a further embodiment, a lug is fixed at one end of the traction rod, which is far away from the fixed plate, a spring is connected between the lug and the sliding sleeve, the spring is sleeved outside the traction rod, and a locking screw is installed at the back of the sliding sleeve; the stability of sliding sleeve removal can be strengthened.

In a further embodiment, the sliding assembly comprises an arc-shaped connecting block matched with the plate wall of the fixed plate, the connecting block is fixed at one end, close to the fixed plate, of the traction rod, a first sliding block is installed on the inner wall of the connecting block, the first sliding block is connected in an annular first sliding groove in a sliding mode, and the first sliding groove is preset in the back face of the fixed plate; the use angle of the traction rod can be conveniently adjusted on the fixing plate in a sliding manner.

In a further embodiment, the limiting assembly comprises a positioning rod and a positioning hole for inserting the positioning rod, and the positioning hole is formed in the fixing plate and the connecting block;

the connecting block is provided with a positioning hole, the fixing plate is provided with a plurality of positioning holes, the plurality of positioning holes are arranged on the fixing plate in an equidistant surrounding manner by taking the circle center of the fixing plate as the center, and the positioning holes on the fixing plate correspond to the positioning holes on the connecting block in position; the position of the connecting block with the adjusted position can be defined.

In a further embodiment, an auxiliary mechanism is arranged in front of the fixed plate, the positions and the number of the auxiliary mechanisms correspond to those of the drafting assemblies, and the auxiliary mechanism is connected with the drafting assemblies and the fixed plate;

the auxiliary mechanism comprises a telescopic rod, rotating shafts are arranged at two ends of the telescopic rod, the telescopic rod is respectively hinged with an end block and a moving seat through the rotating shafts arranged at the two ends, the end block is connected to one end, which is not connected with the sliding sleeve, of the lead roller, and the moving seat is arranged in front of the fixed plate;

a second sliding block is arranged on one surface of the moving seat close to the fixed plate, the second sliding block is connected in an annular second sliding groove in a sliding mode, and the second sliding groove is formed in the front of the fixed plate; can play the effect of stabilizing the lead roller, strengthen the connection tightness between lead roller and the fixed plate.

The utility model has the beneficial effects that: install the device on the spinning frame, through set up four can carry out gliding draft poles on the fixed plate, the draft pole can encircle the aversion in the periphery of fixed plate, thereby change the angular position of draft pole, and the position of lead roller on the draft pole also can carry out slide adjusting, dual slide adjusting makes the lead roller can play the effect of guide draft yarn in different angular position, the slip of draft pole and the slide adjusting operation of lead roller are all comparatively simple simultaneously, be favorable to the use of the device.

Drawings

Fig. 1 is a schematic sectional front view of the present invention.

Fig. 2 is a side sectional partial structural schematic view of the present invention.

The reference signs are: the device comprises a support 1, a drafting device 2, a fixing plate 3, a positioning hole 31, a positioning rod 32, a second sliding chute 33, a first sliding chute 34, a drafting rod 4, a spring 41, a lead roller 5, an end block 51, a sliding sleeve 6, an auxiliary mechanism 7, an expansion link 71, a rotating shaft 72, a moving seat 73, a second sliding block 731, a connecting block 8 and a first sliding block 81.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the utility model.

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-2, the drafting mechanism for a yarn spinning frame disclosed by the utility model comprises a bracket 1 with the bottom mounted on the spinning frame, and a drafting device 2 arranged at the upper part of the bracket 1, wherein the drafting device 2 comprises a fixed plate 3 and a drafting assembly connected to the fixed plate 3, and the back of the fixed plate 3 is welded and fixed with the bracket 1; the drawing assembly comprises a drawing rod 4 and a lead roller 5, the lead roller 5 is installed on a sliding sleeve 6, the sliding sleeve 6 is slidably sleeved on the drawing rod 4, one end, close to the fixed plate 3, of the drawing rod 4 is slidably connected with the fixed plate 3 through the sliding assembly, and the fixed plate 3 is further provided with a limiting assembly for limiting the position of the sliding assembly; the drafting rod 4 is slid on the fixing plate 3 through the sliding assembly, the angle of the drafting rod 4 is changed, and the distance between the guide roller 5 and the fixing plate 3 can be adjusted through the sliding of the sliding sleeve 6 on the drafting rod 4;

four drafting assemblies are arranged outside the fixed plate 3, the fixed plate 3 is circular, and a gap for the sliding assembly to move is reserved between the back of the fixed plate 3 and the front of the bracket 1; the four drafting assemblies are adjusted in a sliding manner outside the round fixed plate 3 through the sliding assemblies;

a lug is fixed at one end of the traction rod 4 far away from the fixed plate 3, a spring 41 is connected between the lug and the sliding sleeve 6, the spring 41 is sleeved outside the traction rod 4, and a locking screw is installed at the back of the sliding sleeve 6; after the locking screw rod is turned and unscrewed, the sliding sleeve 6 is pulled to slide on the drafting rod 4 to be close to or far away from the fixed plate 3, and the spring 41 at the moment is adjusted in a telescopic way along with the movement of the sliding sleeve 6;

the sliding assembly comprises an arc-shaped connecting block 8 matched with the plate wall of the fixed plate 3, the connecting block 8 is fixed at one end, close to the fixed plate 3, of the traction rod 4, a first sliding block 81 is installed on the inner wall of the connecting block 8, the first sliding block 81 is connected in an annular first sliding groove 34 in a sliding mode, and the first sliding groove 34 is preset on the back face of the fixed plate 3; when the drafting rod 4 is adjusted, the connecting block 8 moves outside the fixed plate 3, and the first sliding block 81 slides in the first sliding groove 34;

the limiting assembly comprises a positioning rod 32 and a positioning hole 31 for inserting the positioning rod 32, and the positioning hole 31 is formed in the fixing plate 3 and the connecting block 8; a positioning hole 31 is formed in the connecting block 8, a plurality of positioning holes 31 are formed in the fixing plate 3, the plurality of positioning holes 31 are formed in the fixing plate 3 in an equidistant surrounding manner by taking the circle center of the fixing plate 3 as the center, and the positioning holes 31 in the fixing plate 3 correspond to the positioning holes 31 in the connecting block 8 in position; after the connecting block 8 slides to a proper position outside the fixing plate 3, the positioning rod 32 firstly penetrates through the positioning hole 31 on the connecting block 8 and then is connected with the positioning hole 31 on the corresponding position on the fixing plate 3, so that the connecting block 8 is limited on the fixing plate 3;

an auxiliary mechanism 7 is arranged in front of the fixed plate 3, the position and the number of the auxiliary mechanism 7 correspond to the position and the number of the drafting assemblies, and the auxiliary mechanism 7 is connected with the drafting assemblies and the fixed plate 3; the auxiliary mechanism 7 comprises an expansion link 71, both ends of the expansion link 71 are provided with rotating shafts 72, the expansion link 71 is respectively hinged with an end block 51 and a moving seat 73 through the rotating shafts 72 arranged at both ends, the end block 51 is connected with one end of the lead roller 5 which is not connected with the sliding sleeve 6, and the moving seat 73 is arranged in front of the fixed plate 3; a second sliding block 731 is arranged on one surface of the moving seat 73 close to the fixed plate 3, the second sliding block 731 is connected in an annular second sliding chute 33 in a sliding manner, and the second sliding chute 33 is arranged in front of the fixed plate 3; when the sliding sleeve 6 moves to drive the position of the lead roller 5 to change, the telescopic rod 71 at the moment is adjusted in a telescopic manner, and two ends of the telescopic rod 71 are respectively matched with the end block 51 and the moving seat 73 in a rotating manner, and when the traction rod 4 drives the lead roller 5 to move along with the sliding of the connecting block 8, the telescopic rod 71 enables the second sliding block 731 on the moving seat 73 to synchronously slide in the second sliding groove 33.

The implementation principle of the utility model is as follows: the device is installed on a spinning machine through a support 1, then the angle and the position of a lead roller 5 are adjusted according to the drafting requirement of yarns, a sliding sleeve 6 is pulled to adjust the distance between the lead roller 5 and a fixed plate 3, a drafting rod 4 is pulled to slide on the fixed plate 3, the angle between the lead roller 5 and the fixed plate 3 is changed, and four drafting assemblies can be adjusted, so that the drafting requirement is flexibly met.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the embodiments, and various equivalent changes can be made to the technical solution of the present invention within the technical idea of the present invention, and these equivalent changes are within the protection scope of the present invention.

Claims (6)

1. The utility model provides a draft mechanism for yarn spinning frame, includes that the bottom installs the support on the spinning frame, its characterized in that: the drafting device comprises a fixed plate and a drafting assembly connected to the fixed plate, and the back of the fixed plate is welded and fixed with the bracket;

the drawing assembly comprises a drawing rod and a lead roller, the lead roller is installed on a sliding sleeve, the sliding sleeve is slidably sleeved on the drawing rod, one end, close to the fixed plate, of the drawing rod is slidably connected with the fixed plate through the sliding assembly, and the fixed plate is further provided with a limiting assembly for limiting the position of the sliding assembly.

2. The drafting mechanism for a yarn spinning machine according to claim 1, wherein: the drawing components are four outside the fixed plate, the fixed plate is circular, and a gap for the sliding components to move is reserved on the back of the fixed plate and the front of the support.

3. The drafting mechanism for a yarn spinning machine according to claim 1, wherein: a lug is fixed at one end of the traction rod, which is far away from the fixed plate, a spring is connected between the lug and the sliding sleeve, the spring is sleeved outside the traction rod, and a locking screw is installed at the back of the sliding sleeve.

4. The drafting mechanism for a yarn spinning machine according to claim 1, wherein: the sliding assembly comprises an arc-shaped connecting block matched with the wall of the fixed plate, the connecting block is fixed at one end, close to the fixed plate, of the traction rod, a first sliding block is installed on the inner wall of the connecting block, the first sliding block is connected in an annular first sliding groove in a sliding mode, and the first sliding groove is preset in the back face of the fixed plate.

5. The drafting mechanism for a yarn spinning machine according to claim 1, wherein: the limiting assembly comprises a positioning rod and a positioning hole for inserting the positioning rod, and the positioning hole is formed in the fixing plate and the connecting block;

the positioning hole is formed in the connecting block, the fixing plate is provided with a plurality of positioning holes, the positioning holes are formed in the fixing plate in an equidistant surrounding mode by taking the circle center of the fixing plate as the center, and the positioning holes in the fixing plate correspond to the positioning holes in the connecting block in position.

6. The drafting mechanism for a yarn spinning machine according to claim 1, wherein: the front of the fixed plate is also provided with auxiliary mechanisms, the positions and the number of the auxiliary mechanisms correspond to the positions and the number of the drafting assemblies, and the auxiliary mechanisms are connected with the drafting assemblies and the fixed plate;

the auxiliary mechanism comprises a telescopic rod, rotating shafts are arranged at two ends of the telescopic rod, the telescopic rod is respectively hinged with an end block and a moving seat through the rotating shafts arranged at the two ends, the end block is connected to one end, which is not connected with the sliding sleeve, of the lead roller, and the moving seat is arranged in front of the fixed plate;

the second sliding block is installed on one face, close to the fixed plate, of the moving seat, the second sliding block is connected in the annular second sliding groove in a sliding mode, and the second sliding groove is formed in the front face of the fixed plate.

Images