High-speed rotating shuttle for industrial sewing machine

Abstract

The utility model discloses a high-speed rotating shuttle for an industrial sewing machine, which comprises a shuttle race, and the inner wall of the shuttle race is rotatably connected with a shuttle frame; the inner wall of the side face of the shuttle race is in threaded connection with a thread guide plate screw, and the outer wall of the thread guide plate screw is in sliding connection with a thread guide plate. Lubricating oil can be rapidly conveyed to friction interfaces of the shuttle frame, the shuttle race and the moon ring, abrasion of parts is effectively reduced, operation noise is lowered, and the service life is prolonged during high-speed rotation. The moon ring has good repeated disassembly and assembly stability through a downward pressing type fixing structure, the position of the moon ring groove can still be kept accurate after multiple times of disassembly and assembly, and meanwhile it is ensured that the shuttle frame keeps accurate axis movement during high-speed rotation through the rotating connection of the shuttle race and the shuttle frame and the moon ring limiting structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to shuttle technical field, concretely is a high -speed shuttle for industrial sewing machine. BACKGROUND

[0002] In the modern textile clothing, shoemaking, luggage manufacturing and other industrial fields, the industrial sewing machine is as the core production equipment, however, the high -speed shuttle as the key part of industrial sewing machine, bears the core function such as hooking line, loop formation, with the requirement of sewing efficiency and automation degree of industrial production continuously improving, the working speed of shuttle continues to climb, which puts forward higher challenge to the structure design and lubricating property of the shuttle.

[0003] Traditional high -speed shuttle has some deficiencies, and the lubricating system is not reasonably designed, and the lubricating oil is difficult to be effectively delivered to the friction interface of the high -speed rotating part, resulting in serious wear of the shuttle holder, shuttle bed and moon circle and other parts, which not only shortens the service life of the shuttle, but also increases the production cost due to frequent equipment maintenance, at the same time, the installation structure stability of the moon circle is insufficient, and the moon circle groove position is easy to deviate after being disassembled and maintained for many times, so that the shaft center is unstable when the shuttle holder rotates, radial shaking is generated, and then sewing thread jumping, thread breakage and other problems are caused, which seriously affects the sewing quality and production efficiency. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides a high -speed shuttle for industrial sewing machine, which solves the problem of unreasonable design of the lubricating system of the traditional high -speed shuttle and the difficulty of effectively delivering the lubricating oil to the friction interface of the high -speed rotating part.

[0005] To achieve the above purpose, the utility model realizes the following technical scheme:

[0006] A high -speed shuttle for industrial sewing machine is mainly designed for a two-fold line amount shuttle, comprising: a shuttle bed, the inner wall of the shuttle bed is rotatably connected with a shuttle holder, the inner wall of the side surface of the shuttle bed is threadedly connected with a wire guide plate screw, the outer wall of the wire guide plate screw is slidably connected with a wire guide plate, the inner wall of the top of the shuttle bed is threadedly connected with a moon circle screw, the outer wall of the moon circle screw is slidably connected with a moon circle, and the inner wall of the bottom of the shuttle bed is threadedly connected with a hexagonal screw.

[0007] Preferably, the inner wall of the side surface of the wire guide plate is in contact with the outer wall of the side surface of the shuttle bed, the wire guide plate is connected with the shuttle bed through the wire guide plate screw, the outer wall of the bottom of the moon circle is in contact with the outer wall of the top of the shuttle bed, and the moon circle is connected with the shuttle bed through the moon circle screw.

[0008] Preferably, the inner wall of the bottom of the shuttle bed is provided with a first oil guide groove and a second oil guide groove, and the inner wall of the first oil guide groove and the second oil guide groove is slidably connected with a first circular cover, so as to facilitate regular cleaning or replacement of lubricating oil.

[0009] Preferably, the inner wall of the shuttle bed bottom is slidingly connected with a second circular cover, the outer wall of the shuttle bed bottom is fixedly connected with an oil felt, the oil felt is fixed in the shaft hole of the shuttle bed bottom and has oil absorption and oil storage properties, on the one hand, it continuously provides lubricating oil for the rotating shaft in the shaft hole to prevent dry friction between the shaft and the hole wall, on the other hand, as a sealing element, it prevents the lubricating oil from leaking out and prevents dust from entering, and the second circular cover is slidingly connected in the shaft hole of the shuttle bed bottom.

[0010] Preferably, the outer wall of the shuttle holder is slidingly connected with the inner wall of the lunula to form an annular limiting structure, so that the shaft center of the shuttle holder is stable during high-speed rotation, and the inner walls of the lunula and the shuttle bed are provided with notches.

[0011] Preferably, the notch of the lunula is communicated with the interior of the second oil guide groove, the notch of the shuttle bed is communicated with the interior of the first oil guide groove, the notch of the shuttle bed is communicated with the shuttle holder, and the notch of the lunula is also communicated with the shuttle holder.

[0012] The utility model provides a high -speed shuttle for industrial sewing machine. Have following beneficial effect:

[0013] (1), the shuttle bed, through the design of the first oil guide groove, the second oil guide groove and the communicating notch, cooperates the oil felt's oil storage, sealing function, forms high -efficient lubricating system, lubricating oil can be rapidly transported to the friction interface of shuttle holder and shuttle bed, lunula, effectively reduces the component wear and tear, reduces the operation noise, prolongs the overall service life of shuttle, reduces the equipment maintenance frequency and cost.

[0014] (2), the lunula, through the lower pressure formula fixed structure, has good repeated dismounting stability, can still keep lunula groove position accurate after dismounting for many times, ensure that the performance of shuttle is not influenced, and the rotary connection of shuttle bed and shuttle holder and lunula limiting structure ensure that the shaft center movement of the shuttle holder is kept accurate during high -speed rotation, effectively avoid radial swing, so as to realize the stable hooking of sewing thread, significantly reduce the fault occurrence such as skipping line and broken line. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the overall structure schematic diagram of the utility model;

[0016] Fig. 2 It is the structure schematic diagram of the shuttle holder of the utility model;

[0017] Fig. 3 It is the structure schematic diagram of the shuttle bed of the utility model.

[0018] In the drawing: 1, shuttle bed;2, shuttle holder;3, guide plate;4, lunula;5, first oil guide groove;6, second oil guide groove;7, first circular cover;8, second circular cover;9, oil felt;10, hexagonal screw;11, lunula screw;12, guide plate screw. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of the utility model.

[0020] Please refer to Figs. 1-3 The utility model provides a kind of technical scheme: a high-speed shuttle for industrial sewing machine, it include: shuttle bed 1, the inner wall of shuttle bed 1 is rotatably connected with shuttle frame 2;The inner wall of the side surface of shuttle bed 1 is threadedly connected with guide plate screw 12, the outer wall of guide plate screw 12 is slidably connected with guide plate 3, the inner wall of the top of shuttle bed 1 is threadedly connected with moon circle screw 11, the outer wall of moon circle screw 11 is slidably connected with moon circle 4, the inner wall of the bottom of shuttle bed 1 is threadedly connected with hexagon screw 10.

[0021] The inner wall of the side surface of guide plate 3 is in contact with the outer wall of the side surface of shuttle bed 1, guide plate 3 is connected with shuttle bed 1 by guide plate screw 12, the outer wall of the bottom of moon circle 4 is in contact with the outer wall of the top of shuttle bed 1, moon circle 4 is connected with shuttle bed 1 by moon circle screw 11.

[0022] The inner wall of the bottom of shuttle bed 1 is provided with first oil guide groove 5 and second oil guide groove 6, the inner wall of first oil guide groove 5 and second oil guide groove 6 is slidably connected with first circular cover 7, to facilitate regular cleaning or replacement of lubricating oil.

[0023] The inner wall of the bottom of shuttle bed 1 is slidably connected with second circular cover 8, the outer wall of the bottom of shuttle bed 1 is fixedly connected with oil felt 9, oil felt 9 is fixed in the shaft hole in the bottom of shuttle bed 1, has oil absorption and oil storage characteristics, on the one hand, it continuously provides lubricating oil to the rotating shaft in the shaft hole, prevents shaft and hole wall dry friction, on the other hand, as a sealing element, prevents lubricating oil from leaking and dust from entering, second circular cover 8 is slidably connected in the shaft hole in the bottom of shuttle bed 1.

[0024] The outer wall of shuttle frame 2 is slidably connected with the inner wall of moon circle 4, forming an annular limiting structure, to ensure that the shaft center of shuttle frame 2 remains stable when rotating at high speed, the inner wall of moon circle 4 and shuttle bed 1 is provided with a notch.

[0025] The notch of moon circle 4 is communicated with the inside of second oil guide groove 6, the notch of shuttle bed 1 is communicated with the inside of first oil guide groove 5, the notch of shuttle bed 1 is communicated with shuttle frame 2, and the notch of moon circle 4 is also communicated with shuttle frame 2.

[0026] In use, the inner wall of the shuttle bed 1 is rotationally connected to the shuttle holder 2 to form a rotary support structure, the shuttle holder 2 rotates at high speed under the drive of a power source and is a core moving part for realizing the hooking of the sewing thread, the inner wall of the moon ring 4 is in sliding contact with the outer wall of the shuttle holder 2 to form an annular limiting structure, which ensures that the shaft center of the shuttle holder 2 is stable during high-speed rotation and avoids radial shaking;

[0027] The inner wall of the thread guide plate 3 is in contact with the outer wall of the shuttle bed 1 to form a rigid support, the thread guide plate 3 is provided with a thread hole or a thread groove for fixing the path of the bottom thread and preventing the thread from deviating or winding during high-speed movement, and the moon ring 4 is designed in a downward pressing manner and is fixed to the top of the shuttle bed 1 by the moon ring screw 11, so that the positions between the moon ring grooves can be ensured not to deviate even if the moon ring is disassembled and assembled repeatedly for many times;

[0028] The first oil guide groove 5 and the second oil guide groove 6 are formed in the bottom of the shuttle bed 1, the two grooves are respectively communicated with the interior of the shuttle bed 1 and the moon ring 4 through the groove openings, the groove opening of the shuttle bed 1 is communicated with the first oil guide groove 5 and extends to the rotating part of the shuttle holder 2, the groove opening of the moon ring 4 is communicated with the second oil guide groove 6 and also extends to the contact surface of the shuttle holder 2 and the moon ring 4, when the sewing machine is started, lubricating oil enters the oil guide grooves through an external oil supply system or an oil storage cavity, flows along the groove openings to the friction interfaces of the shuttle holder 2, the shuttle bed 1 and the moon ring 4 by means of gravity or centrifugal force, forms an oil film and reduces the wear during high-speed rotation, the oil felt 9 is fixed in the shaft hole in the bottom of the shuttle bed 1 and has the characteristics of oil absorption and oil storage, on the one hand, it continuously provides lubricating oil to the rotating shaft in the shaft hole to prevent dry friction between the shaft and the hole wall, on the other hand, as a sealing member, it prevents the leakage of lubricating oil and the invasion of dust, when the lubricating oil is cleaned or replaced regularly, the first circular cover 7 and the second circular cover 8 can be opened for cleaning.

[0029] It should be noted that, in the present document, the terms such as first and second, etc. are used merely to differentiate one entity or action from another, and do not necessarily require or imply any such actual relationship or order between these entities or actions. Moreover, the terms "comprising", "containing" or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or device. Without more limitations, the element defined by the phrase "comprising a" does not exclude the presence of additional identical elements in the process, method, article or device including the element.

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high speed rotating shuttle for industrial sewing machines, characterized in that, Include: Shuttle bed (1), the inner wall of the shuttle bed (1) is rotatably connected with the shuttle frame (2); The inner wall of the side surface of the shuttle bed (1) is threadedly connected with the wire plate screw (12), the outer wall of the wire plate screw (12) is slidably connected with the wire plate (3), the inner wall of the top of the shuttle bed (1) is threadedly connected with the moon circle screw (11), the outer wall of the moon circle screw (11) is slidably connected with the moon circle (4), the inner wall of the bottom of the shuttle bed (1) is threadedly connected with the hexagonal screw (10).

2. A high speed rotating shuttle for industrial sewing machines as claimed in claim 1, wherein: The inner wall of the side surface of the wire plate (3) is in contact with the outer wall of the side surface of the shuttle bed (1), and the outer wall of the bottom of the moon circle (4) is in contact with the outer wall of the top of the shuttle bed (1).

3. A high speed rotating shuttle for industrial sewing machines as claimed in claim 1 wherein: The inner wall of the bottom of the shuttle bed (1) is provided with a first oil guide groove (5) and a second oil guide groove (6), and the inner wall of the first oil guide groove (5) and the second oil guide groove (6) is slidably connected with a first circular cover (7).

4. A high speed rotating shuttle for industrial sewing machines as claimed in claim 1, wherein: The inner wall of the bottom of the shuttle bed (1) is slidably connected with a second circular cover (8), the outer wall of the bottom of the shuttle bed (1) is fixedly connected with an oil felt (9), the oil felt (9) is fixed in the shaft hole of the bottom of the shuttle bed (1), and the second circular cover (8) is slidably connected in the shaft hole of the bottom of the shuttle bed (1).

5. A high speed rotating shuttle for industrial sewing machines as claimed in claim 1, wherein: The outer wall of the shuttle frame (2) is slidably connected with the inner wall of the moon circle (4), and the moon circle (4) and the inner wall of the shuttle bed (1) are provided with notches.

6. A high speed rotating hook for industrial sewing machine as claimed in claim 1 wherein: The notch of the moon circle (4) is communicated with the inside of the second oil guide groove (6), and the notch of the shuttle bed (1) is communicated with the inside of the first oil guide groove (5).

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