CN212832055U - Bobbin for machine - Google Patents

Abstract

The utility model discloses a bobbin for machine, which comprises an inner tube and an outer tube, wherein both ends of the inner tube are respectively connected with a flange which is fixed on the end surface of the inner tube through screws, two ends of the built-in pipe are respectively sleeved with a bearing, one end of the bearing inner ring is contacted with the flange, the other end of the bearing inner ring is contacted with a snap spring, the snap spring is clamped and fixed in the snap ring groove, the external pipe is arranged on the bearing, two ends of the external pipe are respectively provided with a fixing hole, the flange is provided with a threaded hole corresponding to the axis of the fixing hole, the inner cavity of the inner tube is provided with a clamping device which is arranged at the upper end and the lower end of the inner tube, but through clamping device clamping fixed hollow shaft, fix the inner tube, the utility model discloses have good operating stability, be difficult for taking place because of the rotational speed is too fast and beat from top to bottom or break away from the condition of hollow shaft to make weaving work go on more smoothly.

Description

Bobbin for machine

Technical Field

The utility model relates to a weaving machine technical field especially relates to a spool for machine.

Background

The used spool of current textile industry is mostly wooden or plastics and makes, and the spool that will twine the yarn during use is inserted on the hollow shaft of spinning rack, and yarn processing drives the spool and rotates, nevertheless because spool slew velocity is very fast, and the centrifugal force that the spool received is great, and the spool often takes place the condition of jumping from top to bottom in the pivoted, influences the stability of the operation of spool easily, causes the spool to break away from the condition of hollow shaft even.

The Chinese patent literature discloses a machine bobbin, and the authorization publication number is as follows: CN210117109U, the textile bobbin includes built-in pipe, the outer end of the built-in pipe fixedly connects with a pair of annular blocking disks, the outside of the built-in pipe is covered with an external pipe, the end of the pair of annular blocking disks close to each other is cut with an annular groove, the upper and lower ends of the external pipe are respectively connected with the inside of the pair of annular grooves in a rotating way, the inside of the built-in pipe is provided with a pair of pressing plates which are mutually symmetrical, although the device solves the problem of up-and-down jumping of the built-in pipe through the pressing plates, the external pipe of the device is directly and rotatably arranged in the pair of annular grooves, and the following problems occur when the external pipe is arranged in the annular grooves, firstly, if the width; secondly, if the annular groove is small in width, the external pipe is arranged in the annular groove without any gap, and when the external pipe rotates at a high speed, large friction force is generated, so that abrasion and noise are caused.

SUMMERY OF THE UTILITY MODEL

According to the not enough of above prior art, the utility model provides a spool for machine.

In order to solve the technical problem, the utility model provides a textile bobbin, including built-in pipe and external pipe, the both ends of built-in pipe are connected with the flange respectively, and the flange passes through the fix with screw on the terminal surface of built-in pipe, built-in pipe both ends are equipped with the bearing respectively, and the one end of bearing inner circle contacts with the flange, and the height of this flange is less than the bearing inner circle height, and the other end of bearing inner circle contacts with the jump ring, and the jump ring joint is fixed in the jump ring inslot, external pipe installs on the bearing, and the both ends of external pipe are opened fixed orifices respectively, the flange corresponds fixed orifices axis position and is opened threaded hole, the inner chamber of built-in pipe installs clamping device, and clamping device installs in the upper end and the lower extreme of built-in pipe, and clamping device includes interior taper sleeve and outer taper sleeve, open the interior conical surface big end down on the outer taper sleeve, is the round platform on, the outer taper sleeve cylinder face is in interference fit with the built-in pipe inner hole, the inner taper sleeve is sleeved in the outer taper sleeve, the inner taper sleeve is provided with an expansion joint, the outer conical face of the inner taper sleeve is matched with the inner conical face of the outer taper sleeve, the upper end face of the inner taper sleeve is symmetrically provided with two adjusting round holes, adjusting bolts are arranged in the adjusting round holes, the outer taper sleeve is provided with adjusting screw holes corresponding to the axis positions of the adjusting round holes, the adjusting screw holes are matched with the adjusting bolts, the adjusting bolts are sleeved with compression springs, one ends of the compression springs are in contact with the inner taper sleeve, and the other ends of the compression springs are in contact.

Preferably, the end face of the flange far away from the inner tube is provided with an alignment groove, and the alignment groove corresponds to the axial projection position of the threaded hole.

Preferably, the bearing is a deep groove ball bearing.

The gain effect is as follows: compared with the prior art, the utility model provides a spool for machine fixes built-in pipe through clamping device, and when the yarn operation, it drives external pipe and rotates around built-in pipe steadily, the utility model discloses good operating stability has, and can not produce wearing and tearing and noise.

Drawings

The present invention will be further explained with reference to the drawings and examples;

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a full sectional view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

FIG. 4 is a partial enlarged view of FIG. 2 at B;

FIG. 5 is a schematic view of the inner taper sleeve structure of the present invention;

in the figure: the expansion joint comprises an external pipe 1, an internal pipe 2, a tubular shaft 3, a clamping device 4, an external taper sleeve 401, an internal taper sleeve 402, an adjusting bolt 403, an adjusting round hole 404, an adjusting screw hole 405, a compression spring 406, a circular truncated cone 407, a bearing 5, a screw 6, a flange 7, a snap spring 8, a fixing hole 9, a threaded hole 10, an alignment groove 11 and an expansion joint 12.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

As shown in the figures, the embodiment provides a bobbin for a machine, which includes an inner tube 2 and an outer tube 1, two ends of the inner tube 2 are respectively connected with a flange 7, the flange 7 is fixed on an end face of the inner tube 2 through a screw 6, two ends of the inner tube 2 are respectively sleeved with a bearing 5, one end of an inner ring of the bearing 5 is in contact with the flange 7, the height of the flange 7 is less than that of an inner ring of the bearing 5 so as to facilitate the assembly and disassembly of the bearing 5, the other end of the inner ring of the bearing 5 is in contact with a snap spring 8, the snap spring 8 is clamped and fixed in a snap spring groove, the bearing 5 is fixed at an axial position through the flange 7 and the snap spring 8, a base hole system is adopted between the inner ring of the bearing 5 and the inner tube 2, a base shaft system interference fit is adopted between the outer ring of the bearing 5 and the outer tube 1, the outer tube 1 is installed between the two bearings 5, the external pipe 1 can be fixed by screwing the bolt in the threaded hole 10.

The inner cavity of the built-in pipe 2 is provided with a clamping device 4, the clamping device 4 is arranged at the upper end and the lower end of the built-in pipe 2, the clamping device 4 comprises an inner taper sleeve 402 and an outer taper sleeve 401, the outer taper sleeve 401 is provided with an inner taper surface which is big at the top and small at the bottom, the upper end of the outer taper sleeve 401 is a round table 407, the inner side of the round table 407 is contacted with the end surface of the built-in pipe 2, the cylindrical surface of the outer taper sleeve 401 is in interference fit with the inner hole of the built-in pipe 2, the inner taper sleeve 402 is sleeved in the outer taper sleeve 401, the outer conical surface of the inner taper sleeve 402 is matched with the inner taper surface of the outer taper sleeve 401, the inner taper sleeve 402 is provided with an expansion joint 12, the upper end surface of the inner taper sleeve 402 is symmetrically provided with two adjusting round holes 404, the adjusting round holes 404 are internally provided with adjusting bolts 403, the outer taper sleeve 401 is provided with adjusting screw, one end of the compression spring 406 is in contact with the inner taper sleeve 402 and the other end is in contact with the outer taper sleeve 401.

Further, the deep groove ball bearing with a small friction coefficient is selected as the bearing 5 of the embodiment, and the deep groove ball bearing is high in limit rotation speed and low in price.

Furthermore, in order to facilitate the alignment between the fixing hole 9 and the threaded hole 10, in this embodiment, an alignment groove 11 is formed on the end surface of the flange 7 away from the inner tube 2, and the alignment groove 11 corresponds to the axial projection position of the threaded hole 10.

The working principle is as follows: when the external pipe fixing device is used, the internal pipe 2 is sleeved on the tubular shaft 3 on the textile rack, the tubular shaft 3 is located between the two clamping devices 4, then the adjusting bolt 403 is rotated to drive the internal taper sleeve 2 to move inwards, and further the tubular shaft 3 can be clamped, it should be noted that the diameter adjusting range is very small, the adjusting range is approximately between 0.2MM and 0.3MM, when yarns run, the external pipe 1 is driven to stably rotate around the internal pipe 2, the stability of the external pipe 1 during running is improved due to the fixation of the internal pipe 2, when the external pipe 1 needs to be fixed, the external pipe 1 is firstly rotated to align the fixing hole 9 and the aligning groove 11, then the bolt is inserted into the fixing hole 9 and screwed into the threaded hole 10, and therefore the external pipe 1 is fixed.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (3)

1. A bobbin for machine use, characterized in that: the device comprises an inner pipe (2) and an outer pipe (1), wherein two ends of the inner pipe (2) are respectively connected with a flange (7), the flanges (7) are fixed on the end surface of the inner pipe (2) through screws (6), two ends of the inner pipe (2) are respectively sleeved with a bearing (5), one end of an inner ring of the bearing (5) is contacted with the flanges (7), the height of the flanges (7) is smaller than that of an inner ring of the bearing (5), the other end of the inner ring of the bearing (5) is contacted with a clamp spring (8), the clamp spring (8) is clamped and fixed in a clamp spring groove, a base hole system is adopted between the inner ring of the bearing (5) and the inner pipe (2) for transition fit, a base shaft system interference fit is adopted between an outer ring of the bearing (5) and the outer pipe (1), the outer pipe (1) is installed on the bearing (5), two ends of the outer pipe (1) are respectively provided with a fixing hole (9), and a threaded hole (10) is formed, the inner cavity of the built-in pipe (2) is provided with a clamping device (4), the clamping device (4) is arranged at the upper end and the lower end of the built-in pipe (2), the clamping device (4) comprises an inner taper sleeve (402) and an outer taper sleeve (401), an inner tapered surface with a large upper part and a small lower part is arranged on the outer taper sleeve (401), the upper end of the outer taper sleeve is a round table (407), the inner side of the round table (407) is in contact with the end surface of the built-in pipe (2), the cylindrical surface of the outer taper sleeve (401) is in interference fit with the inner hole of the built-in pipe (2), the inner taper sleeve (402) is sleeved in the outer taper sleeve (401), the outer tapered surface of the inner taper sleeve (402) is matched with the inner tapered surface of the outer taper sleeve (401), an expansion joint (12) is arranged on the inner taper sleeve (402), two adjusting round holes (404) are symmetrically arranged on the upper end surface of the inner taper sleeve (402), an adjusting bolt (403) is arranged in the adjusting round hole (404), and, adjusting screw hole (405) and adjusting bolt (403) looks adaptation, the cover is equipped with compression spring (406) on adjusting bolt (403), and one end and interior taper sleeve (402) of compression spring (406) contact, and the other end contacts with outer taper sleeve (401).

2. A machine bobbin as claimed in claim 1, wherein: an alignment groove (11) is formed in the end face, far away from the built-in pipe (2), of the flange (7), and the alignment groove (11) corresponds to the axial line projection position of the threaded hole (10).

3. A machine bobbin as claimed in claim 1, wherein: the bearing (5) is a deep groove ball bearing.

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