Industrial sewing machine with multiple back ribs

Abstract

The utility model discloses an industrial sewing machine with multiple back ribs, which relates to the field of sewing machines and comprises an industrial sewing machine body and a sewing machine needle head, the industrial sewing machine body is composed of a transmission mechanism, a needle bar mechanism, a thread picking mechanism, a thread hooking mechanism and a feeding mechanism, and the needle bar mechanism in the industrial sewing machine body is provided with an assembly convenient to disassemble. The assembly convenient to disassemble comprises a fixed round seat arranged on a needle bar mechanism in the industrial sewing machine body, a connecting round groove is formed in the bottom face of the fixed round seat, a connecting disc is movably arranged in the connecting round groove in a sleeved mode, and a first connecting limiting groove is formed in the bottom face of the connecting disc. According to the utility model, through the arrangement of the convenient-to-disassemble assembly and the cooperation between the inner structures of the convenient-to-disassemble assembly, the needle head of the sewing machine can be quickly mounted and fixed, the mounting efficiency of the needle head of the sewing machine is effectively improved, the mounting time is shortened, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of sewing machines, in particular to an industrial sewing machine with multiple back ribs. Background Art

[0002] The existing back-reinforcement industrial sewing machine is composed of a transmission mechanism, a needle bar mechanism, a thread picking mechanism, a thread hooking mechanism and a feeding mechanism. A guide rail for leading the sewing reinforcement is arranged on the needle plate, which can sew the back reinforcement for the cloth. The back-reinforcement industrial sewing machine is a sewing machine suitable for sewing workpieces for mass production in sewing factories or other industrial departments. It is a machine that uses one or more sewing threads to form one or more stitches on the sewing material to interweave or sew one or more layers of sewing material. The application of the back-reinforcement industrial sewing machine is very wide.

[0003] At present, when installing the sewing machine needle, the sewing machine needle is inserted into the installation sleeve rod, and then the sewing machine needle is installed and fixed on the sewing machine by tightening the screw. Under this installation structure, since the process of tightening the bolt when installing the sewing machine needle is relatively cumbersome, the installation efficiency of the sewing machine needle is relatively low, a lot of time is wasted, and the work efficiency is affected. Utility Model Content

[0004] The purpose of the present application is to provide an industrial sewing machine with multiple back ribs to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions: an industrial sewing machine with multiple back ribs, comprising an industrial sewing machine body and a sewing machine needle, wherein the industrial sewing machine body is composed of a transmission mechanism, a needle bar mechanism, a thread picking mechanism, a thread hooking mechanism and a feeding mechanism, and the needle bar mechanism in the industrial sewing machine body is provided with an easy-to-disassemble component, and the easy-to-disassemble component includes a fixed round seat arranged on the needle bar mechanism in the industrial sewing machine body, a connecting round groove is provided on the bottom surface of the fixed round seat, a connecting disc is provided on the internal movable sleeve of the connecting round groove, and a first connecting limit groove is provided on the bottom surface of the connecting disc.

[0006] Preferably, the easy-to-disassemble component also includes a first transmission groove opened on the surface of the fixed round seat, and the first transmission groove is movably sleeved with a first transmission rod. One end of the first transmission rod passes through the interior of the first transmission groove and extends to the interior of the connecting round groove, and one end of the first transmission rod is fixedly connected to the surface of the connecting disc, and the other end of the first transmission rod passes through the interior of the first transmission groove and extends to the surface of the fixed round seat, and the other end of the first transmission rod is fixedly connected to a transmission handle.

[0007] Preferably, the easily disassembled assembly further comprises a plurality of rotating rods equidistantly rotatably connected to the top side wall inside the connecting circular groove, and the lower end of each rotating rod is fixedly connected to a special-shaped clamping portion.

[0008] Preferably, the easy-to-disassemble component also includes a plurality of second transmission grooves equidistantly arranged at the edge of the bottom surface of the connecting disc, and a second transmission rod is movably mounted inside each of the second transmission grooves, one end of the second transmission rod passes through the interior of the second transmission groove and extends to the top of the connecting disc, and one end of the second transmission rod is fixedly connected to the bottom surface of the special-shaped clamping portion.

[0009] Preferably, the easy-to-disassemble assembly also includes a ratchet fixedly connected to the bottom surface of the connecting disc and a rotating column fixedly connected to the edge of the bottom surface of the connecting disc, a second connecting limit groove is provided on the bottom surface of the ratchet, and a pawl is sleeved on the surface of the rotating column.

[0010] Preferably, the easy-to-disassemble assembly also includes a force block fixedly connected to the bottom surface of the pawl and a fixed block fixedly connected to the edge of the bottom surface of the connecting disc, the fixed block is fixedly connected to a hollow cylinder on the side facing the pawl, a return spring is arranged inside the hollow cylinder, one end of the return spring is fixedly connected to the side of the fixed block facing the pawl, and the other end of the return spring is fixedly connected to the side of the pawl facing the fixed block.

[0011] In summary, the technical effects and advantages of the utility model are:

[0012] In the utility model, by setting a disassembly assembly and cooperating between the structures in the disassembly assembly, the sewing machine needle can be quickly installed and fixed, which effectively improves the installation efficiency of the sewing machine needle, shortens the installation time, and improves the work efficiency. The first transmission rod drives the connecting disc to rotate in the connecting circular groove, and the setting of the connecting circular groove facilitates the connection disc to rotate. The transmission handle moves in the first transmission groove through the first transmission rod, and the setting of the first transmission groove facilitates the movement of the first transmission rod. The special-shaped clamping part rotates on the inner side wall of the connecting circular groove through the rotating rod, and the setting of the rotating rod facilitates the special-shaped clamping part to rotate through the rotating rod. When the connecting disc rotates, a force is applied to the second transmission rod through the second transmission groove, and the second transmission rod applies a force to the special-shaped clamping part. Through the cooperation of the second transmission groove and the second transmission rod, the same force is applied to each special-shaped clamping part, so that the operation is stable.

[0013] When the connecting disc rotates, it will drive the ratchet to rotate synchronously. When the ratchet rotates, the pawl will drive the pawl to insert into the tooth groove of the ratchet through the rebound force of the reset spring, and push the ratchet to rotate an angle. At this time, the pawl slides on the back of the ratchet tooth. The pawl can prevent the ratchet from reversing. In this way, the connecting disc can be prevented from reversing, ensuring that the sewing machine needle will not fall off due to the reversal of the connecting disc. When the sewing machine needle needs to be disassembled, it is only necessary to apply force to the force block to make the pawl rotate on the rotating column, and apply force to the reset spring to compress it, so that the position of the pawl can be adjusted so that the pawl is no longer in contact with the ratchet, and the sewing machine needle can be removed according to the previous operation method, which can realize the rapid installation and disassembly of the sewing machine needle, effectively improve the disassembly efficiency of the sewing machine needle, and shorten the disassembly time. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0015] Figure 1 A schematic diagram of the three-dimensional structure of an embodiment of the present application;

[0016] Figure 2 This is a schematic diagram of the three-dimensional structure of the industrial sewing machine body and the easily disassembled components in the embodiment of the present application;

[0017] Figure 3 This is a schematic diagram of the three-dimensional structure of a sewing machine needle and a detachable assembly in an embodiment of the present application;

[0018] Figure 4 It is a schematic diagram of the three-dimensional split structure of the fixed round seat, the special-shaped clamping portion and the connecting disc in the embodiment of the present application;

[0019] Figure 5 This is a schematic cross-sectional view of the fixed round seat in the embodiment of the present application;

[0020] Figure 6 It is a schematic diagram of the three-dimensional disassembled structure of the connecting disc, ratchet, pawl, force block, fixed block and return spring in the embodiment of the present application.

[0021] In the figure: 1. Industrial sewing machine body; 2. Sewing machine needle; 3. Disassembly assembly; 301. Fixed round seat; 302. Connecting round groove; 303. Connecting disc; 304. First connecting limit groove; 305. First transmission groove; 306. First transmission rod; 307. Transmission handle; 308. Rotating rod; 309. Special-shaped clamping part; 310. Second transmission groove; 311. Second transmission rod; 312. Ratchet; 313. Rotating column; 314. Second connecting limit groove; 315. Ratchet; 316. Force block; 317. Fixed block; 318. Hollow cylinder; 319. Return spring. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example: Reference Figure 1-6 The multi-rib industrial sewing machine shown includes an industrial sewing machine body 1 and a sewing machine needle 2. The industrial sewing machine body 1 is composed of a transmission mechanism, a needle bar mechanism, a thread picking mechanism, a thread hooking mechanism and a feeding mechanism. The needle bar mechanism in the industrial sewing machine body 1 is provided with a convenient disassembly component 3. The convenient disassembly component 3 includes a fixed round seat 301 arranged on the needle bar mechanism in the industrial sewing machine body 1. A connecting round groove 302 is provided on the bottom surface of the fixed round seat 301. A connecting disc 303 is provided in the internal movable sleeve of the connecting round groove 302. A first connecting limit groove 304 is provided on the bottom surface of the connecting disc 303.

[0024] By means of the above structure, by setting up the easily detachable component 3 and by the cooperation between the structures inside the easily detachable component 3, the sewing machine needle 2 can be quickly installed and fixed, which effectively improves the installation efficiency of the sewing machine needle 2, shortens the installation time, and improves work efficiency.

[0025] The first transmission rod 306 drives the connecting disc 303 to rotate in the connecting circular groove 302 . The setting of the connecting circular groove 302 facilitates the connecting disc 303 to rotate.

[0026] As a preferred implementation in this embodiment, the disassembly component 3 also includes a first transmission groove 305 opened on the surface of the fixed round seat 301, and the first transmission groove 305 is internally movably sleeved with a first transmission rod 306, one end of the first transmission rod 306 passes through the interior of the first transmission groove 305 and extends to the interior of the connecting circular groove 302, and one end of the first transmission rod 306 is fixedly connected to the surface of the connecting disc 303, the other end of the first transmission rod 306 passes through the interior of the first transmission groove 305 and extends to the surface of the fixed round seat 301, and the other end of the first transmission rod 306 is fixedly connected to a transmission handle 307.

[0027] The transmission handle 307 moves in the first transmission slot 305 through the first transmission rod 306 . The setting of the first transmission slot 305 facilitates the movement of the first transmission rod 306 .

[0028] In this embodiment, the easy-to-disassemble component 3 further includes a plurality of rotating rods 308 equidistantly rotatably connected to the top side wall of the connecting circular groove 302 , and a special-shaped clamping portion 309 is fixedly connected to the lower end of each rotating rod 308 .

[0029] The special-shaped clamping part 309 is rotated on the inner wall of the connecting circular groove 302 through the rotating rod 308 . The setting of the rotating rod 308 facilitates the special-shaped clamping part 309 to rotate through the rotating rod 308 .

[0030] In this embodiment, the easy-to-disassemble component 3 also includes a plurality of second transmission grooves 310 equidistantly arranged at the edge of the bottom surface of the connecting disc 303, and a second transmission rod 311 is movably mounted inside each second transmission groove 310. One end of the second transmission rod 311 passes through the interior of the second transmission groove 310 and extends to the top of the connecting disc 303, and one end of the second transmission rod 311 is fixedly connected to the bottom surface of the special-shaped clamping portion 309.

[0031] When the connecting disc 303 rotates, a force is applied to the second transmission rod 311 through the second transmission groove 310, and the second transmission rod 311 applies a force to the special-shaped clamping portion 309. Through the cooperation between the second transmission groove 310 and the second transmission rod 311, it is convenient to apply the same force to each special-shaped clamping portion 309, so that the operation is stable.

[0032] In this embodiment, the easy-to-disassemble component 3 also includes a ratchet 312 fixedly connected to the bottom surface of the connecting disc 303 and a rotating column 313 fixedly connected to the edge of the bottom surface of the connecting disc 303. The bottom surface of the ratchet 312 is provided with a second connecting limit groove 314, and the surface of the rotating column 313 is provided with a pawl 315.

[0033] When the connecting disk 303 rotates, the ratchet 312 will be driven to rotate synchronously. When the ratchet 312 rotates, the pawl 315 will drive the pawl 315 to insert into the tooth groove of the ratchet 312 through the rebound force of the reset spring 319, and push the ratchet 312 to rotate an angle. At this time, the pawl 315 slides on the back of the tooth of the ratchet 312. The pawl 315 can prevent the ratchet 312 from reversing. In this way, the connecting disk 303 can be prevented from reversing, ensuring that the sewing machine needle 2 will not fall off due to the reversal of the connecting disk 303.

[0034] In this embodiment, the easy-to-disassemble component 3 also includes a force block 316 fixedly connected to the bottom surface of the pawl 315 and a fixed block 317 fixedly connected to the edge of the bottom surface of the connecting disk 303. The fixed block 317 is fixedly connected to a hollow cylinder 318 on the side facing the pawl 315. A return spring 319 is arranged inside the hollow cylinder 318. One end of the return spring 319 is fixedly connected to the side of the fixed block 317 facing the pawl 315, and the other end of the return spring 319 is fixedly connected to the side of the pawl 315 facing the fixed block 317.

[0035] When the sewing machine needle 2 needs to be disassembled, it is only necessary to apply a force to the force block 316 to make the pawl 315 rotate on the rotating column 313, and apply a force to the return spring 319 to compress it, so that the position of the pawl 315 can be adjusted so that the pawl 315 is no longer in contact with the ratchet wheel 312, and the sewing machine needle 2 can be removed according to the previous operation method, which can realize the rapid installation and disassembly of the sewing machine needle 2, effectively improve the disassembly efficiency of the sewing machine needle 2, and shorten the disassembly time.

[0036] The working principle of the utility model is as follows: an industrial sewing machine with multiple back ribs, when the user is using it, when it is necessary to install the sewing machine needle 2, the sewing machine needle 2 is inserted into the connecting circular groove 302 through the second connecting limit groove 314 and the first connecting limit groove 304, and then the user holds the transmission handle 307 and applies a force to the transmission handle 307, so that the transmission handle 307 moves in the first transmission groove 305 through the first transmission rod 306, and drives the connecting disc 303 to rotate in the connecting circular groove 302 through the first transmission rod 306, when the connecting disc 303 rotates, a force is applied to the second transmission rod 311 through the second transmission groove 310, and the second transmission rod 311 applies a force to the special-shaped clamping part 309, so that the special-shaped clamping part 309 rotates on the inner side wall of the connecting circular groove 302 through the rotating rod 308, so that the special-shaped clamping part 309 contacts with the sewing machine needle 2 and clamps and fixes it;

[0037] When the connecting disc 303 rotates, the ratchet 312 is driven to rotate synchronously. When the ratchet 312 rotates, the pawl 315 drives the pawl 315 to insert into the tooth groove of the ratchet 312 through the rebound force of the reset spring 319, and pushes the ratchet 312 to rotate an angle. At this time, the pawl 315 slides on the back of the teeth of the ratchet 312, and the transmission handle 307 can be released. The pawl 315 can prevent the ratchet 312 from reversing. In this way, the connecting disc 303 can be prevented from reversing, ensuring that the sewing machine needle 2 will not fall off due to the reversal of the connecting disc 303.

[0038] When the sewing machine needle 2 needs to be removed, it is only necessary to apply force to the force block 316 to make the pawl 315 rotate on the rotating column 313, and apply force to the return spring 319 to compress it, so that the position of the pawl 315 can be adjusted so that the pawl 315 is no longer in contact with the ratchet wheel 312. At this time, the sewing machine needle 2 can be removed according to the previous operation method.

[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An industrial sewing machine with multiple back ribs, comprising an industrial sewing machine body (1) and a sewing machine needle (2), wherein the industrial sewing machine body (1) is composed of a transmission mechanism, a needle bar mechanism, a thread taking-up mechanism, a thread hooking mechanism and a feeding mechanism, and is characterized in that: The needle bar mechanism in the industrial sewing machine body (1) is provided with a conveniently detachable component (3), the conveniently detachable component (3) comprising a fixed round seat (301) provided on the needle bar mechanism in the industrial sewing machine body (1), a connecting round groove (302) being provided on the bottom surface of the fixed round seat (301), a connecting round disc (303) being provided in a movable sleeve inside the connecting round groove (302), and a first connecting limiting groove (304) being provided on the bottom surface of the connecting round disc (303).

2. The multi-rib industrial sewing machine according to claim 1, characterized in that: The convenient disassembly component (3) also includes a first transmission groove (305) provided on the surface of the fixed round seat (301); a first transmission rod (306) is movably sleeved inside the first transmission groove (305); one end of the first transmission rod (306) passes through the interior of the first transmission groove (305) and extends to the interior of the connecting round groove (302); one end of the first transmission rod (306) is fixedly connected to the surface of the connecting disc (303); the other end of the first transmission rod (306) passes through the interior of the first transmission groove (305) and extends to the surface of the fixed round seat (301); and the other end of the first transmission rod (306) is fixedly connected to a transmission handle (307).

3. The multi-rib industrial sewing machine according to claim 2, characterized in that: The convenient disassembly assembly (3) further comprises a plurality of rotating rods (308) equidistantly rotatably connected to the top side wall inside the connecting circular groove (302), and the lower end of each rotating rod (308) is fixedly connected to a special-shaped clamping portion (309).

4. The multi-rib industrial sewing machine according to claim 3, characterized in that: The disassembly assembly (3) further comprises a plurality of second transmission grooves (310) equidistantly arranged at the bottom edge of the connecting disc (303), each of the second transmission grooves (310) being movably sleeved with a second transmission rod (311), one end of the second transmission rod (311) passing through the second transmission groove (310) and extending to the top of the connecting disc (303), and one end of the second transmission rod (311) being fixedly connected to the bottom surface of the special-shaped clamping portion (309).

5. The multi-rib industrial sewing machine according to claim 4, characterized in that: The easy-to-disassemble assembly (3) further comprises a ratchet (312) fixedly connected to the bottom surface of the connecting disc (303) and a rotating column (313) fixedly connected to the edge of the bottom surface of the connecting disc (303); a second connection limit groove (314) is provided on the bottom surface of the ratchet (312), and a ratchet pawl (315) is sleeved on the surface of the rotating column (313).

6. The multi-rib industrial sewing machine according to claim 5, characterized in that: The convenient disassembly assembly (3) further comprises a force applying block (316) fixedly connected to the bottom surface of the ratchet (315) and a fixed block (317) fixedly connected to the edge of the bottom surface of the connecting disc (303); a hollow cylinder (318) is fixedly connected to the side of the fixed block (317) facing the ratchet (315); a return spring (319) is arranged inside the hollow cylinder (318); one end of the return spring (319) is fixedly connected to the side of the fixed block (317) facing the ratchet (315); and the other end of the return spring (319) is fixedly connected to the side of the ratchet (315) facing the fixed block (317).

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