CN216922826U

CN216922826U - Main shaft of anti-impact sewing machine

Info

Publication number: CN216922826U
Application number: CN202220376103.8U
Authority: CN
Inventors: 包国放
Original assignee: New Sewing Machine Technology Ningbo Co ltd
Current assignee: New Sewing Machine Technology Ningbo Co ltd
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-07-08
Anticipated expiration: 2032-02-23

Abstract

The application discloses sewing machine main shaft shocks resistance belongs to sewing machine technical field, including the fixed station, the below of fixed station is provided with the connecting block, the below of connecting block is provided with the main shaft, the top of main shaft and coupling spring's bottom fixed connection, the connecting axle is installed on the top of main shaft, the surface mounting of connecting axle has two joint pieces, two spouts have been seted up to the bottom surface of fixed station, the equal sliding connection in inside of every spout has the slider, the adapter sleeve is all installed to the bottom surface of every slider, the equal movable hinge in inside of every adapter sleeve has the bracing piece, the one end that the slider was kept away from to every bracing piece all is articulated with joint piece activity, coupling spring is all installed to a side that two sliders kept away from each other, the one end that two coupling springs kept away from each other all with the inside wall fixed connection of spout. The main shaft of the anti-impact sewing machine is provided with the connecting shaft, the supporting rod and the compression spring to drive the sliding block to move, so that the main shaft has better anti-impact property.

Description

Main shaft of anti-impact sewing machine

Technical Field

The application belongs to the technical field of sewing machines, and particularly relates to a main shaft of an impact-resistant sewing machine.

Background

The sewing machine is a machine which uses one or more sewing threads to form one or more stitches on a sewing material to enable one or more layers of the sewing material to be interwoven or sewn, and the sewing machine can sew products such as cotton, hemp, silk, wool, artificial fiber and other fabrics, and the sewn stitches are neat and beautiful, the sewing speed is high, and the use is simple and convenient.

However, most of the existing sewing machine spindles can cause the phenomenon that the sewing machine spindles are broken due to frequent vertical vibration in the working process, so that the sewing machine cannot work normally, the practicability of the sewing machine is reduced, the working efficiency of workers is affected, and the production cost is increased.

Therefore, an impact-resistant sewing machine main shaft is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The application aims to solve the problem that a sewing machine spindle is easy to break in the prior art, and provides an impact-resistant sewing machine spindle.

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

a shock-resistant sewing machine spindle comprises a fixed table, wherein a connecting block is arranged below the fixed table, a connecting spring is arranged on the bottom surface of the connecting block, a spindle is arranged below the connecting block, the top end of the spindle is fixedly connected with the bottom end of the connecting spring, a connecting shaft is arranged at the top end of the spindle, the top end of the connecting shaft sequentially penetrates through the connecting block and the fixed table and extends to the upper side of the fixed table, two clamping blocks are arranged on the outer surface of the connecting shaft, two sliding grooves are formed in the bottom surface of the fixed table, a sliding block is slidably connected inside each sliding groove, a connecting sleeve is arranged on the bottom surface of each sliding block, a supporting rod is movably hinged inside each connecting sleeve, one end, away from the sliding block, of each supporting rod is movably hinged with the clamping block, and a compression spring is arranged on one side face, away from each sliding block, two the one end that compression spring kept away from each other all with the inside wall fixed connection of spout.

Through setting up connecting axle and connecting spring, realized carrying out the purpose of buffering to the main shaft, drive the bracing piece through setting up the connecting axle and rotate for the bracing piece drives the slider and removes under compression spring's effect, has realized further carrying out the purpose of buffering to the main shaft.

Preferably, the bottom surface of the connecting block is provided with a reinforcing pipe, and the inner wall of the reinforcing pipe is in sliding connection with the outer surface of the main shaft.

Through setting up the reinforced pipe, realized carrying out the purpose of protection to the main shaft.

Preferably, a connecting column is arranged above the fixing table, and the top end of the connecting shaft is fixedly connected with the bottom surface of the connecting column.

Through setting up the spliced pole, realized making things convenient for the device and drive mechanism to carry out the purpose of installing.

Preferably, the bottom surface of the connecting column is provided with a rubber buffer sleeve, and the bottom surface of the rubber buffer sleeve is fixedly connected with the upper surface of the fixed table.

Through setting up the rubber cushion collar, realized playing the purpose of buffering to the spliced pole.

Preferably, two support columns are installed on the bottom surface of the fixed table, and the bottom surface of each support column is fixedly connected with the upper surface of the connecting block.

Through setting up the support column, realized connecting the purpose of fixed connection piece.

Preferably, the both sides face of fixed station all installs the engaging lug, every the upper surface of engaging lug all sets up threaded hole.

Through setting up engaging lug and screw hole, realized the workman of being convenient for and fixed the device at the inside purpose of sewing machine.

Preferably, the outer surface of the connecting block is provided with heat conducting blocks, and the outer surface of each heat conducting block is provided with radiating fins which are arranged at equal intervals.

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

Preferably, every the inside wall that the spout is close to each other all installs the stopper, every the upper surface of stopper all with the bottom surface sliding connection of slider.

Through setting up the stopper, realized avoiding the purpose that the slider breaks away from the spout as far as possible.

To sum up, the technical effect and the advantage of this application: the anti-impact sewing machine main shaft is provided with the connecting block and the connecting spring, so that the connecting spring has a certain buffer effect on the main shaft when the main shaft vibrates up and down, thereby increasing the impact resistance of the main shaft, and the main shaft can drive the connecting shaft to move up and down when vibrating up and down through the connecting shaft, so that the supporting rod can rotate at a certain angle, the support rod can drive the slide block to slide in the sliding groove while rotating, and under the action of the compression spring, when the connecting shaft moves upwards, the slide block can be subjected to the elasticity of the compression spring, thereby generating certain buffering to the sliding block, when the connecting shaft moves downwards, the sliding block can be subjected to certain pulling force to further buffer the sliding block, therefore, the main shaft has better impact resistance, the phenomenon that the main shaft is broken when vibrating up and down is avoided as much as possible, and the practicability of the main shaft is improved.

Drawings

FIG. 1 is a perspective view of a stationary stage according to the present application;

FIG. 2 is a schematic structural view of a connection block in a sectional view;

FIG. 3 is a perspective view of a stationary platen according to the present application;

fig. 4 is a schematic structural diagram of a cross-sectional perspective view of the rubber cushion cover of the present application.

In the figure: 1. connecting columns; 2. connecting lugs; 3. a fixed table; 4. a support pillar; 5. connecting blocks; 6. a heat conducting block; 7. a reinforcement tube; 8. a main shaft; 9. a rubber cushion sleeve; 10. a threaded hole; 11. a compression spring; 12. a heat sink; 13. a connecting spring; 14. a connecting shaft; 15. a chute; 16. connecting sleeves; 17. a support bar; 18. a clamping block; 19. a slider; 20. and a limiting block.

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. 1-2, an anti-impact sewing machine spindle comprises a fixed table 3, a connecting block 5 is arranged below the fixed table 3, a connecting spring 13 is installed on the bottom surface of the connecting block 5, a spindle 8 is arranged below the connecting block 5, the top end of the spindle 8 is fixedly connected with the bottom end of the connecting spring 13, a connecting shaft 14 is installed on the top end of the spindle 8, the impact force applied to the spindle 8 during vibration can be reduced by the aid of the connecting spring 13, a reinforcing pipe 7 is installed on the bottom surface of the connecting block 5, the inner wall of the reinforcing pipe 7 is connected with the outer surface of the spindle 8 in a sliding mode, the reinforcing pipe 7 is installed, a certain protection effect is achieved on the spindle 8, other substances are prevented from contacting with the spindle 8 as much as possible, and abrasion of the spindle 8 is reduced.

Referring to fig. 1 and 3, the two side surfaces of the fixing table 3 are provided with the engaging lugs 2, the upper surface of each engaging lug 2 is provided with a threaded hole 10, and the installation of the engaging lugs 2 and the arrangement of the threaded holes 10 facilitate a worker to fix the device inside a sewing machine by using a bolt, so that the installation time of the worker is reduced, and the working efficiency of the worker is improved.

Referring to fig. 1 and 4, a connecting column 1 is arranged above the fixed table 3, the top end of the connecting shaft 14 is fixedly connected with the bottom surface of the connecting column 1, and the connecting column 1 is installed to facilitate a worker to connect the device with a transmission mechanism, so that the assembling time of the sewing machine is further reduced, and the assembling efficiency of the worker is improved.

Referring to fig. 1 and 4, a rubber buffer sleeve 9 is installed on the bottom surface of the connecting column 1, the bottom surface of the rubber buffer sleeve 9 is fixedly connected with the upper surface of the fixed table 3, the rubber buffer sleeve 9 is used for connecting and buffering the fixed table, and the impact force of collision between the connecting column 1 and the fixed table 3 when the connecting column vibrates is reduced.

Referring to fig. 1-3, the top end of a connecting shaft 14 sequentially penetrates through a connecting block 5 and a fixed station 3 and extends to the upper side of the fixed station 3, one end of the connecting shaft 14 extending to the upper side of the fixed station 3 penetrates through a rubber buffer sleeve 9, two clamping blocks 18 are installed on the outer surface of the connecting shaft 14, two sliding grooves 15 are formed in the bottom surface of the fixed station 3, a sliding block 19 is slidably connected inside each sliding groove 15, a connecting sleeve 16 is installed on the bottom surface of each sliding block 19, a supporting rod 17 is movably hinged inside each connecting sleeve 16, one end of each supporting rod 17 far away from the sliding block 19 is movably hinged with the clamping block 18, a compression spring 11 is installed on one side surface of each sliding block 19 far away from each other, one end of each compression spring 11 far away from each other is fixedly connected with the inner side wall of the sliding groove 15, when a main shaft 8 vibrates up and down, the connecting shaft 14 can drive the sliding block 19 to move on the inner wall of the sliding groove 15, and under compression spring 11's effect, further played certain cushioning effect to main shaft 8, two support columns 4 are installed to the bottom surface of fixed station 3, and the bottom surface of every support column 4 all is connected with the last fixed surface of connecting block 5, and support column 4 can be with connecting block 5 and fixed station 3 fixed connection, avoids connecting block 5 to take place the phenomenon of rocking as far as possible to increase the stability of device.

Referring to fig. 1, the outer surface of the connecting block 5 is provided with the heat conducting block 6, the outer surface of the heat conducting block 6 is provided with the radiating fins 12 which are arranged at equal intervals, when the frequency of vibration of the main shaft 8 is too high, the temperature of the outer surface of the main shaft 8 is increased, the heat conducting block 6 is arranged to transmit a part of the temperature of the surface of the main shaft 8 to the radiating fins 12, and the heat is radiated through the radiating fins 12, so that the temperature of the main shaft 8 is reduced.

Referring to fig. 3, limiting blocks 20 are installed on the inner side wall, close to each other, of each sliding groove 15, the upper surface of each limiting block 20 is connected with the bottom surface of the sliding block 19 in a sliding mode, and the sliding block 19 can be prevented from being separated from the sliding grooves 15 when moving by the aid of the two limiting blocks 20.

The working principle is as follows: firstly, the connecting column 1 is connected with a transmission mechanism, the power provided by the transmission mechanism drives the connecting column 1 to vibrate up and down, then a bolt fixes the fixed platform 3 in the sewing machine through a threaded hole 10, when the main shaft 8 vibrates up and down, the main shaft 8 drives the connecting spring 13 to transfer up and down, the connecting spring 13 can play a certain buffer role on the main shaft 8, thereby reducing the impact force of the main shaft 8, and the connecting shaft 14 can drive the clamping block 18 to move up and down while moving, so that the supporting rod 17 hinged on the clamping block 18 rotates at a certain angle, thereby the sliding block 19 moves left and right in the sliding groove 15, and under the action of the compression spring 11, the compression spring 11 can play a certain buffer role on the sliding block 19, thereby further playing a buffer role on the main shaft 8, and leading the main shaft 8 to have better impact resistance, when the temperature of the main shaft 8 rises due to vibration, the heat conduction block 6 can transfer part of the temperature to the radiating fins 12, so that the temperature of the main shaft 8 is reduced, and the phenomenon that the main shaft 8 deforms due to high 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 as the technical solutions and the inventive concepts of the present application in the scope of the present application.

Claims

1. The utility model provides a sewing machine main shaft shocks resistance, includes fixed station (3), its characterized in that, the below of fixed station (3) is provided with connecting block (5), coupling spring (13) are installed to the bottom surface of connecting block (5), the below of connecting block (5) is provided with main shaft (8), the top of main shaft (8) and the bottom fixed connection of coupling spring (13), connecting axle (14) are installed on the top of main shaft (8), the top of connecting axle (14) runs through connecting block (5) and fixed station (3) in proper order and extends to the top of fixed station (3), the surface mounting of connecting axle (14) has two joint pieces (18), two spouts (15) have been seted up to the bottom surface of fixed station (3), every equal sliding connection in inside of spout (15) has slider (19), every adapter sleeve (16) are all installed to the bottom surface of slider (19), every the inside equal movable hinge of adapter sleeve (16) has bracing piece (17), every the one end that slider (19) were kept away from in bracing piece (17) all with joint piece (18) movable hinge, two compression spring (11), two are all installed to the side that slider (19) kept away from each other compression spring (11) the one end of keeping away from each other all with the inside wall fixed connection of spout (15).

2. An impact-resistant sewing machine spindle according to claim 1, wherein a reinforcement tube (7) is mounted on the underside of the connecting piece (5), the inner wall of the reinforcement tube (7) being slidably connected to the outer surface of the spindle (8).

3. An impact-resistant sewing machine spindle according to claim 1, wherein a connecting column (1) is arranged above the fixed table (3), and the top end of the connecting shaft (14) is fixedly connected with the bottom surface of the connecting column (1).

4. An impact-resistant sewing machine spindle according to claim 3, characterized in that a rubber cushion sleeve (9) is mounted on the bottom surface of the connecting column (1), and the bottom surface of the rubber cushion sleeve (9) is fixedly connected with the upper surface of the fixed table (3).

5. An impact-resistant sewing machine spindle according to claim 1, wherein two support columns (4) are mounted on the bottom surface of the fixed table (3), and the bottom surface of each support column (4) is fixedly connected with the upper surface of the connecting block (5).

6. An impact-resistant sewing machine spindle according to claim 1, characterized in that the fixing table (3) is provided with two side faces each with a connecting lug (2), and the upper surface of each connecting lug (2) is provided with a threaded hole (10).

7. An impact-resistant sewing machine spindle according to claim 1, wherein the outer surface of the connecting block (5) is provided with a heat-conducting block (6), and the outer surface of the heat-conducting block (6) is provided with radiating fins (12) arranged at equal intervals.

8. An impact-resistant sewing machine spindle according to claim 1, wherein each sliding groove (15) is provided with a limiting block (20) on the inner side wall close to each other, and the upper surface of each limiting block (20) is slidably connected with the bottom surface of the sliding block (19).