CN216765266U

CN216765266U - Wear-resisting flush joint machine main shaft

Info

Publication number: CN216765266U
Application number: CN202220406796.0U
Authority: CN
Inventors: 罗锦华
Original assignee: New Sewing Machine Technology Ningbo Co ltd
Current assignee: New Sewing Machine Technology Ningbo Co ltd
Priority date: 2022-02-26
Filing date: 2022-02-26
Publication date: 2022-06-17
Anticipated expiration: 2032-02-26

Abstract

The application discloses wear-resisting flush joint machine main shaft belongs to flush joint machine technical field, including placing the case, the bottom surface of placing the case is seted up flutedly, the spliced pole is installed to the interior roof of recess, the main shaft is installed to the bottom of spliced pole, the outer surface mounting of main shaft has the strengthening rib of equidistance range, wherein the spout has all been seted up to the left surface of two strengthening ribs, the surface of main shaft is provided with wear-resisting pipe, two sliders are installed to wear-resisting pipe's inner wall, every slider is equal sliding connection in the inside of spout, the inside of placing the case rotates and is connected with ball screw, ball screw's left end runs through places the case and extends to the outside of placing the case, ball screw's surface threaded connection has the movable plate, the connecting axle is installed to the bottom surface of movable plate, the right-hand member of connecting axle runs through wear-resisting pipe and spliced pole in proper order and extends to the outside of wear-resisting pipe. This wear-resisting flush joint machine main shaft through being provided with wear-resisting pipe for the flush joint machine can reduce the wearing and tearing of main shaft at the during operation, thereby increases the life of main shaft.

Description

Wear-resisting flush joint machine main shaft

Technical Field

The application belongs to the technical field of flush joint machines, and particularly relates to a wear-resistant main shaft of a flush joint machine.

Background

A flat bed sewing machine, also called a flatbed sewing machine, is generally known as a single needle flat bed sewing machine, and is a machine for forming a stitch on a sewing material with one sewing thread to interweave or sew up one or more layers of the sewing material.

In the process of implementing the application, the inventor finds that at least the following problems exist in the technology: when an existing lockstitch sewing machine works, a main shaft often contacts other mechanisms, and due to the fact that the abrasion resistance of the main shaft is poor, the abrasion condition of the main shaft is often serious, the main shaft is broken, and the service life of the main shaft is shortened.

Therefore, the wear-resistant main shaft of the flat sewing machine is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The application aims to solve the problem that in the prior art, the wear resistance of a main shaft is poor, and provides a wear-resistant main shaft of a flat sewing machine.

In order to achieve the purpose, the following technical scheme is adopted in the application:

a wear-resistant main shaft of a flush joint machine comprises a placing box, wherein the bottom surface of the placing box is provided with a groove, the inner top wall of the groove is provided with a connecting column, the bottom end of the connecting column is provided with a main shaft, the outer surface of the main shaft is provided with reinforcing ribs which are arranged at equal intervals, wherein the left side surfaces of the two reinforcing ribs are both provided with sliding grooves, the outer surface of the main shaft is provided with a wear-resistant pipe, the inner wall of the wear-resistant pipe is provided with two sliding blocks, each sliding block is connected inside the sliding chute in a sliding way, the inside of the placing box is rotatably connected with a ball screw, the left end of the ball screw penetrates through the placing box and extends to the outside of the placing box, the outer surface of the ball screw is connected with a movable plate in a threaded manner, the bottom surface of the movable plate is provided with a connecting shaft, the right end of the connecting shaft penetrates through the wear-resistant pipe and the connecting column in sequence and extends to the outside of the wear-resistant pipe.

Through setting up wear-resisting pipe, realized carrying out the purpose of protection to the main shaft, reduce the wearing and tearing to the main shaft, and then increase the life of main shaft, utilize slider and spout, the main shaft of being convenient for is connected with wear-resisting pipe, has realized the purpose of guaranteeing the normal work of main shaft, utilizes ball screw to drive movable plate and connecting axle and removes, has realized the purpose of being convenient for wear-resisting pipe installation and dismantlement.

Preferably, the bottom end of the main shaft is provided with a connecting spring, and the bottom end of the connecting spring is provided with a buffer plate.

Through setting up connecting spring and buffer board, realized carrying out the purpose of buffering to the main shaft.

Preferably, a fixed column is installed at the left end of the ball screw, and a circular ring is rotatably connected inside the fixed column.

Through setting up fixed column and ring, realized the workman of being convenient for control ball screw pivoted purpose.

Preferably, the inner side wall of the placing box is provided with a sliding rod, and the outer surface of the sliding rod is in sliding connection with the inner wall of the moving plate.

Through the arrangement of the sliding rod, the purpose of preventing the movable plate from rotating as much as possible is achieved.

Preferably, the upper surface of the placing box is provided with a fixing shaft, and the outer surface of the fixing shaft is provided with a connecting flange.

Through setting up fixed axle and flange, realized the purpose that the main shaft is connected with drive mechanism of being convenient for.

Preferably, the outer surface of the fixed shaft is provided with a heat conduction sleeve, and the outer surface of the heat conduction sleeve is provided with radiating fins which are arranged at equal intervals.

Through setting up heat conduction cover and fin, realized carrying out the radiating purpose to the main shaft.

Preferably, two support columns are installed on the bottom surface of the heat conduction sleeve, and the bottom end of each support column is fixedly connected with the upper surface of the placement box.

Through setting up the support column, realized fixing the effect to the heat conduction cover.

Preferably, the bottom of wear-resisting pipe is provided with the fixing base, the inside threaded connection of fixing base has fixing bolt, fixing bolt's right-hand member runs through fixing base and wear-resisting pipe in proper order and extends to the inside of fixing base.

Through setting up fixing base and fixing bolt, realized the purpose that the main shaft of being convenient for is connected with other mechanisms.

To sum up, the technical effect and the advantage of this application: this wear-resisting flush joint machine main shaft, through being provided with wear-resisting pipe, make the flush joint machine can reduce the wearing and tearing of main shaft at the during operation, thereby increase the life of main shaft, through being provided with the strengthening rib, slider and spout, with the inside of slider joint at the spout, make the main shaft can drive wear-resisting pipe and move together at the during operation, the normal use of main shaft has been guaranteed, remove about driving the movable plate through being provided with ball screw, make the movable plate drive the connecting axle and remove when removing, the connecting axle passes wear-resisting pipe and spliced pole and is connected the two fixedly, and then reduce the installation and the dismantlement time of wear-resisting pipe, the workman of being convenient for changes wear-resisting pipe, the installation effectiveness of wear-resisting pipe has been increased.

Drawings

FIG. 1 is a schematic three-dimensional structure of a storage box according to the present application;

FIG. 2 is a perspective structural view of a wear tube according to the present application;

FIG. 3 is a schematic structural view of a cross-sectional perspective view of the storage case of the present application;

FIG. 4 is a schematic structural view in perspective from below of the storage case of the present application;

fig. 5 is a schematic structural diagram of a heat conductive sleeve according to the present application in a perspective sectional view.

In the figure: 1. a fixed seat; 2. a wear resistant tube; 3. placing a box; 4. a heat conducting sleeve; 5. a connecting flange; 6. a fixed shaft; 7. a heat sink; 8. fixing a column; 9. a circular ring; 10. fixing the bolt; 11. a main shaft; 12. reinforcing ribs; 13. a chute; 14. a slider; 15. a connecting spring; 16. a buffer plate; 17. a ball screw; 18. a slide bar; 19. connecting columns; 20. a groove; 21. a connecting shaft; 22. a support pillar; 23. and (5) moving the plate.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

Referring to fig. 1-3, a wear-resisting flush joint machine main shaft, including placing case 3, place the bottom surface of case 3 and seted up recess 20, spliced pole 19 is installed to the interior roof of recess 20, main shaft 11 is installed to the bottom of spliced pole 19, coupling spring 15 is installed to the bottom of main shaft 11, buffer board 16 is installed to the bottom of coupling spring 15, utilize coupling spring 15 and buffer board 16, can reduce the impact force that main shaft 11 received when main shaft 11 shakes, thereby reduce the damage of main shaft 11, increase the life of main shaft 11.

Referring to fig. 1-2, the outer surface of a main shaft 11 is provided with reinforcing ribs 12 arranged at equal intervals, wherein the left side surfaces of the two reinforcing ribs 12 are both provided with a sliding groove 13, the outer surface of the main shaft 11 is provided with a wear-resistant pipe 2, the main shaft 11 is covered by the wear-resistant pipe 2, the inner wall of the wear-resistant pipe 2 is provided with two sliding blocks 14, each sliding block 14 is slidably connected inside the sliding groove 13, the sliding blocks 14 are connected with the sliding groove 13, so that the main shaft 11 drives the wear-resistant pipe to work, and the main shaft 11 is ensured to work normally, the bottom end of the wear-resistant pipe 2 is provided with a fixed seat 1, the inner part of the fixed seat 1 is in threaded connection with a fixing bolt 10, the right end of the fixing bolt 10 sequentially penetrates through the fixed seat 1 and the wear-resistant pipe 2 and extends to the inside of the fixed seat 1, the fixed seat 1 is convenient for connecting the main shaft 11 with other mechanisms, and the fixing bolt 10 is convenient for connecting the fixed seat 1 with the wear-resistant pipe 2, thereby reducing the disassembly time of the main shaft 11.

Referring to fig. 3-4, a ball screw 17 is rotatably connected inside the placing box 3, the left end of the ball screw 17 penetrates through the placing box 3 and extends to the outside of the placing box 3, a moving plate 23 is connected to the outer surface of the ball screw 17 through a thread, a connecting shaft 21 is installed on the bottom surface of the moving plate 23, the right end of the connecting shaft 21 sequentially penetrates through the wear-resistant tube 2 and the connecting column 19 and extends to the outside of the wear-resistant tube 2, the moving plate 23 and the connecting shaft 21 are driven by the ball screw 17 to move, so that a worker can conveniently install and dismantle the wear-resistant tube 2, the wear-resistant tube 2 can be conveniently replaced, the wear resistance of the main shaft 11 is increased, the service life of the main shaft 11 is further prolonged, a fixed column 8 is installed at the left end of the ball screw 17, a circular ring 9 is rotatably connected inside the fixed column 8, the circular ring 9 is used for driving the fixed column 8 and the ball screw 17 to rotate, and the worker can conveniently control the ball screw 17, thereby reducing the complexity of the operation.

Referring to fig. 3-4, the inner side wall of the placing box 3 is provided with a slide bar 18, the outer surface of the slide bar 18 is slidably connected with the inner wall of the moving plate 23, and the slide bar 18 is installed to avoid the phenomenon that the moving plate 23 rotates in the moving process as much as possible, so that the stability of the device is improved.

Referring to fig. 1, a fixing shaft 6 is installed on the upper surface of the placing box 3, a connecting flange 5 is installed on the outer surface of the fixing shaft 6, and a worker can conveniently connect the main shaft 11 with the transmission mechanism by using the connecting flange 5 and the fixing shaft 6, so that the time for assembling the lockstitch sewing machine by the worker is reduced, and the working efficiency is improved.

Referring to fig. 1 and 5, the outer surface of the fixed shaft 6 is provided with the heat conduction sleeve 4, the outer surface of the heat conduction sleeve 4 is provided with the radiating fins 7 which are arranged at equal intervals, and the heat conduction sleeve 4 is arranged to transmit part of the temperature of the main shaft 11 to the radiating fins 7 when the temperature of the main shaft 11 rises, so that the effect of reducing the temperature of the main shaft 11 is achieved, and the phenomenon that the main shaft 11 deforms due to overhigh temperature is avoided as much as possible.

Referring to fig. 5, two support columns 22 are installed to the bottom surface of heat conduction sleeve 4, the bottom of every support column 22 all with place the last fixed surface of case 3 and be connected, the effect that supports and fix can be played to heat conduction sleeve 4 in the installation of support column 22, avoids heat conduction sleeve 4 to take place the phenomenon of rocking because of main shaft 11 work as far as possible, has further increased the stability of device.

The working principle is as follows: firstly, a worker rotates the ring 9 to enable the ring 9 to be matched with the fixed column 8 to drive the ball screw 17 to rotate, the moving plate 23 is moved to the leftmost side of the placing box 3, then the wear-resistant pipe 2 is inserted on the outer surface of the main shaft 11, the sliding block 14 corresponds to the sliding groove 13, the wear-resistant pipe 2 is rotated to move the sliding block 14 to the inner part of the sliding groove 13, then the wear-resistant pipe 2 is moved upwards to enable the upper surface of the sliding block 14 to be in contact with the inner top wall of the sliding groove 13, then the worker rotates the ring 9 to enable the ring 9 to be matched with the fixed column 8 to drive the ball screw 17 to rotate, the ball screw 17 drives the moving plate 23 and the connecting shaft 21 to move rightwards, the connecting shaft 21 sequentially penetrates through the wear-resistant pipe 2 and the connecting column 19, the wear-resistant pipe 2 is installed, when the wear-resistant pipe 2 needs to be replaced, the ring 9 is rotated reversely to enable the connecting shaft 21 to move out of the wear-resistant pipe 2, then the wear-resistant pipe 2 is pulled downwards and rotated, the wear-resistant pipe 2 is pulled away from the main shaft 11, the wear-resistant pipe 2 is disassembled, when the temperature of the main shaft 11 rises due to long-time work of the lockstitch sewing machine, the heat conduction sleeve 4 can transmit partial temperature of the surface of the main shaft 11 to the radiating fins 7, so that the temperature of the main shaft 11 is reduced, and the phenomenon that the main shaft 11 deforms due to overhigh temperature is avoided as much as possible.

The above description is only for the preferred embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present application, and all equivalent substitutions and changes according to the technical solutions and the inventive concepts of the present application should be covered by the scope of the present application.

Claims

1. The utility model provides a wear-resisting flush joint machine main shaft, is including placing case (3), its characterized in that, the bottom surface of placing case (3) is seted up flutedly (20), spliced pole (19) are installed to the interior roof of recess (20), main shaft (11) are installed to the bottom of spliced pole (19), the surface mounting of main shaft (11) has strengthening rib (12) that the equidistance was arranged, wherein two spout (13) have all been seted up to the left surface of strengthening rib (12), the surface of main shaft (11) is provided with wear-resisting pipe (2), two slider (14) are installed to the inner wall of wear-resisting pipe (2), every slider (14) equal sliding connection is in the inside of spout (13), the internal rotation of placing case (3) is connected with ball screw (17), the left end of ball screw (17) runs through places case (3) and extends to the outside of placing case (3), the outer surface threaded connection of ball screw (17) has movable plate (23), connecting axle (21) are installed to the bottom surface of movable plate (23), wear-resisting pipe (2) and spliced pole (19) are run through in proper order and extend to the outside of wear-resisting pipe (2) to the right-hand member of connecting axle (21).

2. A wear-resistant sewing machine spindle according to claim 1, wherein a connecting spring (15) is mounted to a bottom end of the spindle (11), and a buffer plate (16) is mounted to a bottom end of the connecting spring (15).

3. A wear-resistant main shaft of a flat sewing machine according to claim 1, characterized in that a fixed column (8) is installed at the left end of the ball screw (17), and a circular ring (9) is rotatably connected to the inside of the fixed column (8).

4. A wear-resistant main shaft of a flat sewing machine according to claim 1, characterized in that the inner side wall of the placing box (3) is provided with a slide bar (18), and the outer surface of the slide bar (18) is connected with the inner wall of the moving plate (23) in a sliding way.

5. A wear-resistant main shaft of a flat seamer according to claim 1, wherein a fixed shaft (6) is installed on the upper surface of the placing box (3), and a connecting flange (5) is installed on the outer surface of the fixed shaft (6).

6. A wear-resistant main shaft of a flat sewing machine according to claim 5, characterized in that the outer surface of the fixed shaft (6) is provided with the heat-conducting sleeve (4), and the outer surface of the heat-conducting sleeve (4) is provided with the radiating fins (7) which are arranged at equal intervals.

7. A wear-resistant main shaft of a flat sewing machine according to claim 6, characterized in that two supporting columns (22) are installed on the bottom surface of the heat-conducting sleeve (4), and the bottom end of each supporting column (22) is fixedly connected with the upper surface of the placing box (3).

8. A wear-resistant main shaft of a flat sewing machine according to claim 1, characterized in that the bottom end of the wear-resistant pipe (2) is provided with a fixed seat (1), the fixed seat (1) is internally threaded with a fixing bolt (10), and the right end of the fixing bolt (10) sequentially penetrates through the fixed seat (1) and the wear-resistant pipe (2) and extends to the inside of the fixed seat (1).