CN216360551U - Bobbin winder for bottom thread of sewing machine - Google Patents

Abstract

The utility model relates to the technical field of sewing machines, in particular to a bobbin winder for a bobbin thread of a sewing machine, which comprises a placing frame, wherein a bobbin disc for placing a raw bobbin thread is rotatably connected onto the placing frame, a driving motor is arranged on the placing frame, an output shaft of the driving motor is coaxially and fixedly connected with a connecting column, a clamping component for clamping with a bobbin is arranged on the connecting column, and a thread breaking component for cutting the bobbin thread between the bobbin disc and the bobbin is arranged on the placing frame.

Description

Bobbin winder for bottom thread of sewing machine

Technical Field

The utility model relates to the technical field of sewing machines, in particular to a bobbin winder for a bottom thread of a sewing machine.

Background

Garment processing belongs to labor-intensive industries, and sewing machines are widely applied to the garment processing industry, and are machines which form one or more stitches on a sewing material by using one or more sewing bottom threads to interweave or sew one or more layers of the sewing material. The bobbin thread for sewing machine is usually wound around the bobbin, and then the bobbin with the bobbin thread wound around is installed inside the bobbin case, and the combined structure of the bobbin with the bobbin thread wound around and the bobbin case is called as the bobbin thread box, and finally the bobbin thread box is clamped on the rotating shuttle of the sewing machine base for sewing.

When the bobbin thread in one bobbin thread box is used up, the operator will take the bobbin thread box off the rotating shuttle, separate the bobbin core and the bobbin case, wind the new bobbin thread on the bobbin core, combine the bobbin core and the bobbin case into a new bobbin thread box, and then clamp the new bobbin thread box on the rotating shuttle of the sewing machine for sewing.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when an operator carries out manual winding on the bobbin to wind the bottom line, the bobbin needs to be wound by multiple turns manually until the bobbin is fully wound, and the working efficiency of manual winding is low.

SUMMERY OF THE UTILITY MODEL

In order to improve the work efficiency around the bobbin thread, the application provides a bobbin winder for the bobbin thread of a sewing machine.

The application provides a spooler for sewing machine bottom line adopts following technical scheme:

the utility model provides a spooler for sewing machine bottom line, includes the rack, it is connected with the wire reel that is used for placing the raw materials bottom line to rotate on the rack, be equipped with driving motor on the rack, coaxial and the fixedly connected with spliced pole of driving motor's output shaft, be equipped with the joint subassembly that is used for with the cop latch joint on the spliced pole, be equipped with on the rack and be used for cutting off the broken string subassembly of bottom line between wire reel and the cop latch.

Through adopting above-mentioned technical scheme, during the use, the operator will use up the bobbin cup joint of bottom line on the spliced pole, rethread joint subassembly is with bobbin and spliced pole chucking, make stable being connected of bobbin and spliced pole, with the bottom line winding on the wire reel on the bobbin, afterwards, start driving motor, driving motor's output shaft drives the spliced pole and rotates, and then drive the bobbin and rotate, and then realized the package to the bottom line, after the package is accomplished, through disconnected subassembly with the raw materials line on the bottom line dish and the bottom line disconnection on the bobbin, manual package of comparing, the package speed improves, therefore, this application can improve the work efficiency of winding the bottom line.

Optionally, the clamping assembly comprises a clamping spring, a clamping plate, a clamping iron column, a limiting plate and a magnet, the top of the connecting column is provided with a first groove, the magnet is arranged on the limiting plate and is inserted into the first groove with a space from the side wall of the first groove, the side wall of the connecting column is provided with a clamping groove, the bottom of the clamping groove is provided with a first hole communicated with the first groove, one end of the clamping spring is connected with the bottom of the clamping groove, the other end of the clamping spring is connected with the clamping plate, one end of the clamping iron column is connected to the clamping plate, the other end of the clamping iron column is inserted into the first hole and is adsorbed by the magnet, the clamping spring is sleeved outside the clamping iron column, at the moment, the clamping plate is located in the clamping groove, and when the magnet is taken out, the clamping plate abuts against the inner ring side wall of the shuttle peg.

Through adopting above-mentioned technical scheme, during the use, the operator inserts first inslot with magnet, the magnet adsorbs the joint iron prop, the joint iron prop removes to the direction that is close to magnet, and with first hole sliding fit, drive the joint board and get into the joint inslot, joint spring atress compression this moment, afterwards, the operator will use up in the shuttle peg of bottom line inserts the spliced pole, afterwards, the operator extracts the limiting plate again, and then make magnet extract first groove, the resilience force of joint spring drives the joint board and removes and support the inner ring lateral wall of tight shuttle peg to the direction of keeping away from first groove, make shuttle peg and the stable being connected of spliced pole.

Optionally, a wire passing column is slidably connected between the wire spool and the connecting column, a plurality of wire passing holes with different diameters are formed in the wire passing column, and a driving piece for driving the wire passing column to move along the length direction of the wire passing column is arranged at the bottom end of the wire passing column.

Through adopting above-mentioned technical scheme, when rolling up, the operator takes off the bottom line on the wire reel, and pass the line hole of crossing that corresponds the diameter, later on again around rolling up on the cop latch, then, the operator starts the driving piece, the driving piece drives the line post and removes, make the bottom line supported by the line post, the bottom line that makes to pull out from the wire reel is in tight state, the contact that has reduced with the wire reel and the possibility that produces wearing and tearing, play the effect of direction to the bottom line simultaneously, reduce the bottom line and produce the possibility of rocking at the in-process of rolling up.

Optionally, the wire cutting assembly comprises a thermal fuse wire cutter and a drive electric push rod which is moved by the thermal fuse wire cutter, the electric push rod is vertically arranged, a piston rod of the electric push rod is connected with the thermal fuse wire cutter, and when a bottom wire is wound, the bottom wire passes through the thermal fuse wire cutter directly above the bottom wire cutter.

Through adopting above-mentioned technical scheme, after accomplishing around rolling up a cop latch, the operator is to the circular telegram of hot fuse-link ware, makes the temperature of hot fuse-link ware rise, later, starts electric putter, and electric putter drives the hot fuse-link ware and rises and with the bottom line contact, fuses the bottom line to the end of a thread of fuse department is little pimple form and can not the jag, has improved wire-wound quality.

Optionally, a wire clamping device is arranged between the thermal fuse wire-cutting device and the wire spool.

Through adopting above-mentioned technical scheme, during the use, the operator passes the bottom wire from the thread trapper to adjust the tensioning degree of the bottom wire of being wound up through the thread trapper, be favorable to tightening up the bottom wire on the cop latch.

Optionally, the wire passing hole is detachably connected with a wear-resistant layer.

Through adopting above-mentioned technical scheme, the setting of wearing layer can be with the bottom line with the lateral wall contact of crossing the line hole and the possibility of wearing and tearing to after the wearing layer wearing and tearing, the operator can dismantle old wearing layer, changes new wearing layer.

Optionally, the thermal fuse-link ware with the vertical second motor that is equipped with between the spliced pole, the output shaft of second motor is coaxial and be fixed with and connect first lead screw, the vertical guide bar that is connected with on the rack, threaded connection has the mounting panel on the first lead screw, the one end of guide bar run through the mounting panel and with mounting panel sliding fit, be equipped with the confession on the mounting panel the thimble that the bottom line passed.

Through adopting above-mentioned technical scheme, during the use, the operator passes the thimble with the one end of bottom line earlier before on the cop latch with the bottom line winding, and when winding the bottom line, the operator starts the second motor, and the output shaft of second motor drives first lead screw and rotates, under the cooperation of guide bar, drives the mounting panel and reciprocates, and then drives the thimble and reciprocates, makes the bottom line through the thimble can be even around rolling up on the cop latch.

Optionally, the clamping assembly is provided with a plurality of groups, and the clamping assembly is circumferentially arranged by taking the axis of the connecting column as a central line.

Through adopting above-mentioned technical scheme, through setting up multiunit joint subassembly, can make the shuttle peg atress more even, can be more stable with the spliced pole joint.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the bobbin winder, the driving motor, the connecting column, the clamping component and the thread breaking component are arranged, when the bobbin winder is used, an operator sleeves the bobbin which runs out the bobbin thread on the connecting column, the bobbin is clamped with the connecting column through the clamping component, the bobbin is stably connected with the connecting column, the bobbin thread on the bobbin is wound on the bobbin, the driving motor is started, the output shaft of the driving motor drives the connecting column to rotate, the bobbin is driven to rotate, winding is achieved on the bobbin thread, after winding is completed, the raw material thread on the bobbin thread disc and the bobbin thread on the bobbin are disconnected through the thread breaking component, compared with manual winding, the winding speed is improved, and therefore the bobbin winder can improve the working efficiency of winding the bobbin thread;

2. this application is through setting up hot melt-line breaker and drive the electric putter that hot melt-line breaker removed, after accomplishing around rolling up a cop latch, the operator to hot melt-line breaker circular telegram, makes hot melt-line breaker's temperature rise, later, starts electric putter, electric putter drives hot melt-line breaker and rises and with the bottom line contact, fuses the bottom line to the end of a thread of melting department is little knot form and can not the jag, has improved wire-wound quality.

Drawings

FIG. 1 is a schematic view of a bobbin winder for a bobbin thread of a sewing machine according to the present application.

Fig. 2 is a sectional view of the inner structure of the bobbin in the embodiment of the present application.

Fig. 3 is a schematic structural view of a magnet inserted into the first slot in the embodiment of the present application.

Figure 4 is a cross-sectional view of the construction of the clamping assembly in an embodiment of the present application.

Fig. 5 is an enlarged view of a portion a in fig. 1.

Description of reference numerals: 1. placing a rack; 2. a bobbin case; 3. a material taking port; 4. a wire spool; 41. a wire coil body; 42. a winding post; 5. a drive motor; 6. connecting columns; 7. a clamping assembly; 71. clamping a spring; 72. a clamping and connecting plate; 73. clamping an iron column; 74. a limiting plate; 75. a magnet; 8. a wire breaking assembly; 81. a thermal fuse; 82. an electric push rod; 9. a first groove; 10. a clamping groove; 11. a first hole; 12. a wire passing column; 13. a wire passing hole; 14. magic tape; 15. a wear layer; 16. a drive member; 17. a first bracket; 18. a wire clamping device; 19. a second bracket; 20. a second through groove; 21. a second motor; 22. a first lead screw; 23. a guide bar; 24. mounting a plate; 25. a threading ring; 26. a bobbin.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a winder for a bottom thread of a sewing machine. Referring to fig. 1 and 2, a bobbin winder for a bobbin thread of a sewing machine includes a rack 1, a bobbin case 2 for storing a bobbin 26 which has used up the bobbin thread is fixedly connected to the rack 1, and a material taking port 3 is provided on a side wall of the bobbin case 2.

Referring to fig. 1 and 2, the bobbin case 2 is rotatably connected with a wire spool 4 for placing a raw material bobbin thread, the wire spool 4 comprises a wire spool body 41 and a wire winding post 42, the wire winding post 42 is fixedly arranged on the wire spool body 41 in a penetrating manner and is rotatably connected with the bobbin case 2, the raw material bobbin thread is wound on the wire winding post 42, a driving motor 5 is vertically arranged in the bobbin case 2, the driving motor 5 is a stepping motor, and the stepping motor is electrically connected with a control system.

Referring to fig. 2, 3 and 4, an output shaft of the driving motor 5 is coaxially and fixedly connected with a connecting column 6, the connecting column 6 is vertically arranged, a clamping component 7 used for being clamped with the bobbin 26 is arranged on the connecting column 6, and a thread breaking component 8 used for cutting off the bottom thread between the bobbin spool 4 and the bobbin 26 is further arranged on the bobbin case 2.

Refer to fig. 2, fig. 3 and fig. 4, joint subassembly 7 is provided with three groups, three groups joint subassembly 7 use the axis of spliced pole 6 to set up as central line circumference, joint subassembly 7 includes joint spring 71, joint board 72, joint iron prop 73, limiting plate 74 and magnet 75, first groove 9 has been seted up at the top of spliced pole 6, first groove 9 is seted up along the length direction of spliced pole 6, magnet 75 fixed connection is on limiting plate 74, magnet 75 inserts in the first groove 9, limiting plate 74 and the lateral wall laminating of first groove 9, when playing the guide effect to inserting magnet 75, magnet 75 horizontal hunting's possibility has been reduced.

Referring to fig. 2, 3 and 4, when the magnet 75 is inserted into the first groove 9, there is an interval between the side wall of the magnet 75 and the side wall of the first groove 9, the side wall of the connecting column 6 is provided with clamping grooves 10 which are in one-to-one correspondence with the clamping components 7, and the bottom of the clamping groove 10 is provided with a first hole 11 communicated with the first groove 9. One end of the clamping spring 71 is fixedly connected to the bottom of the clamping groove 10, the other end of the clamping spring is fixedly connected to the clamping plate 72, and the clamping plate 72 is an arc-shaped plate. One end of the clamping iron column 73 is fixedly connected to the clamping plate 72, the other end of the clamping iron column 73 is inserted into the first hole 11 and is adsorbed by the magnet 75, the clamping spring 71 is sleeved outside the clamping iron column 73, at the moment, the clamping plate 72 is located in the clamping groove 10, and when an operator takes out the magnet 75, the side wall of the clamping plate 72, which is far away from the clamping spring 71, abuts against the inner ring side wall of the shuttle peg 26, so that the shuttle peg 26 is stably connected with the connecting column 6.

Referring to fig. 1 and 5, sliding connection has between wire reel 4 and the spliced pole 6 crosses line post 12, has seted up a plurality of line holes 13 of crossing on the line post 12, and a plurality of line holes 13 of crossing set up along the length direction of crossing line post 12, can dismantle through magic subsides 14 on the lateral wall of crossing line hole 13 and be connected with wearing layer 15, and wearing layer 15 is the felt layer, can reduce the possibility that the bobbin thread was worn and torn when crossing line hole 13.

Referring to fig. 1, 2 and 3, a driving member 16 for driving the thread passing column 12 to move along the length direction of the thread passing column 12 is disposed at the bottom of the thread passing column 12, the driving member 16 is an electric cylinder, a first bracket 17 is disposed in the bobbin case 2, the electric cylinder is vertically disposed on the first bracket 17, a piston rod of the electric cylinder is fixedly connected to the thread passing column 12, and one end of the thread passing column 12 is inserted into the bobbin case 2 and is in sliding fit with the bobbin case 2.

Referring to fig. 1 and 2, a side of the wire passing column 12 far away from the wire spool 4 is provided with a wire clamping device 18 for adjusting the tightness of the bottom wire. The thread cutting assembly 8 comprises a thermal fuse cutter 81 and an electric push rod 82 driving the thermal fuse cutter 81 to move, a second support 19 is fixedly connected in the bobbin case 2, the electric push rod 82 is vertically fixedly connected to the second support 19, the thermal fuse cutter 81 is arranged on a push rod of the electric push rod 82, a second through groove 20 for the thermal fuse cutter 81 to pass is formed in the bobbin case 2, when a bobbin thread is wound, the bobbin thread passes through the thermal fuse cutter 81 directly over, and the thermal fuse cutter 81 is arranged on one side, far away from the winding disc 4, of the thread clamping device 18.

Referring to fig. 1 and 2, a second motor 21 is vertically arranged between the thermal fuse-link 81 and the connecting column 6, the second motor 21 is a forward and reverse rotating motor, the second motor 21 is bolted in the bobbin case 2, an output shaft of the second motor 21 is coaxial and is fixedly connected with a first lead screw 22, a guide rod 23 is vertically and fixedly connected to the bobbin case 2, a mounting plate 24 is connected to the first lead screw 22 through threads, one end of the guide rod 23 penetrates through the mounting plate 24 and is in sliding fit with the mounting plate 24, and a threading ring 25 for a bobbin thread to horizontally pass through is fixedly connected to the mounting plate 24.

The implementation principle of the bobbin winder for the bottom thread of the sewing machine is as follows: when the bobbin winder is used, an operator takes out the bobbin 26 which has used up the bobbin thread from the material taking port 3, inserts the bobbin 26 into the connecting column 6, then takes out the limiting plate 74, so that the magnet 75 is taken out from the first groove 9, after the clamping iron column 73 loses the suction force of the magnet 75, under the action of the resilience force of the clamping spring 71, the clamping plate 72 moves towards the direction far away from the clamping groove 10, the three clamping plates 72 tightly abut against the inner ring side wall of the bobbin 26 under the action of the corresponding clamping springs 71, so that the bobbin 26 is stably connected with the connecting column 6, then, the operator sequentially penetrates one end of the bobbin thread on the bobbin disc 4 through the thread passing hole 13, the thread clamp 18 and the thread passing ring 25, then the bobbin thread is wound on the bobbin 26, then, the electric cylinder is started, the piston rod of the electric cylinder drives the thread passing column 12 to move up and down to support the bobbin thread, so as to reduce the friction between the bobbin thread and the body 41, the tension degree of the bottom thread is adjusted through the thread clamping device 18, so that the bottom thread can be smoothly wound on the shuttle peg 26;

then, the operator starts the second motor 21 and the driving motor 5, the output shaft of the driving motor 5 drives the connecting column 6 to rotate, so that the bobbin 26 winds and winds the bobbin thread, the output shaft of the second motor 21 drives the first lead screw 22 to rotate, the mounting plate 24 moves up and down under the matching of the guide rod 23, so that the threading ring 25 moves up and down, so that the bobbin thread can be quickly and uniformly wound on the bobbin 26, after winding is completed, the operator starts the thermal fuse-link 81, then the operator starts the electric push rod 82, the electric push rod 82 drives the thermal fuse-link 81 to ascend and contact with the bobbin thread, the bobbin thread is fused, the thread end at the fusing part is in a small knot shape and cannot be forked, and the winding quality is improved. Therefore, the working efficiency of winding the bottom line can be improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a spooler for sewing machine bottom line, includes rack (1), its characterized in that: the bobbin thread cutting machine is characterized in that a bobbin (4) used for placing a raw material bobbin thread is connected to the placing frame (1) in a rotating mode, a driving motor (5) is arranged on the placing frame (1), an output shaft of the driving motor (5) is coaxially and fixedly connected with a connecting column (6), a clamping component (7) used for being connected with a bobbin (26) in a clamping mode is arranged on the connecting column (6), and a thread breaking component (8) used for cutting the bobbin thread between the bobbin (4) and the bobbin (26) is arranged on the placing frame (1).

2. A bobbin thread winder for a sewing machine according to claim 1, wherein: the clamping component (7) comprises a clamping spring (71), a clamping plate (72), a clamping iron column (73), a limiting plate (74) and a magnet (75), a first groove (9) is formed in the top of the connecting column (6), the magnet (75) is arranged on the limiting plate (74), the magnet (75) is inserted into the first groove (9) and has a distance with the side wall of the first groove (9), a clamping groove (10) is formed in the side wall of the connecting column (6), a first hole (11) communicated with the first groove (9) is formed in the groove bottom of the clamping groove (10), one end of the clamping spring (71) is connected to the groove bottom of the clamping groove (10), the other end of the clamping plate (72) is connected to one end of the clamping iron column (73), the other end of the clamping iron column (73) is inserted into the first hole (11) and is adsorbed by the magnet (75), clamping spring (71) cover is established outside joint iron prop (73), at this moment, joint board (72) are located in joint groove (10), when taking out magnet (75), joint board (72) support the inner ring lateral wall of tight shuttle peg (26).

3. A bobbin thread winder for a sewing machine according to claim 1, wherein: wire reel (4) with sliding connection has wire post (12) between spliced pole (6), seted up a plurality of unequal wire holes (13) of crossing of diameter on wire post (12), the bottom of crossing wire post (12) is equipped with the drive it follows to cross wire post (12) drive piece (16) that wire post (12) length direction removed.

4. A bobbin thread winder for a sewing machine according to claim 1, wherein: the broken string subassembly (8) include hot melt wire-breaker (81) and drive electric putter (82) that hot melt wire-breaker (81) removed, electric putter (82) vertical setting, the piston rod of electric putter (82) is connected hot melt wire-breaker (81) is when rolling up the end line, and the end line passes through directly over hot melt wire-breaker (81).

5. A bobbin thread winder for a sewing machine according to claim 4, wherein: a wire clamping device (18) is arranged between the thermal fuse wire breaker (81) and the wire spool (4).

6. A bobbin thread winder for a sewing machine according to claim 3, wherein: and a wear-resistant layer (15) is detachably connected in the wire passing hole (13).

7. A bobbin thread winder for a sewing machine according to claim 4, wherein: thermal fuse-link (81) with vertically be equipped with second motor (21) between spliced pole (6), the output shaft of second motor (21) is coaxial and be fixed with and connect first lead screw (22), vertically on rack (1) be connected with guide bar (23), threaded connection has mounting panel (24) on first lead screw (22), the one end of guide bar (23) is run through mounting panel (24) and with mounting panel (24) sliding fit, be equipped with through wires ring (25) that supply the bottom line to pass on mounting panel (24).

8. A bobbin thread winder for a sewing machine according to claim 2, wherein: the clamping components (7) are arranged in multiple groups, and the clamping components (7) are circumferentially arranged by taking the axis of the connecting column (6) as a central line.

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