CN117512888A - Long-arm type hand-held sewing machine for manufacturing satellite multilayer materials - Google Patents

Abstract

The invention relates to a long-arm type hand-held sewing machine for manufacturing satellite multilayer materials, which comprises a bottom arm, a top arm, a side linkage box, a sliding cover shell, a needle head driving box, a rotary table, a miniature motor, a lifting rotary table and a transmission disc, wherein a bottom arm sliding groove is formed in the outer side wall of the bottom arm, the sliding cover shell is slidably arranged on the bottom arm sliding groove, and the top arm is arranged in the sliding cover shell; the bottom arm and the top arm which are parallel to each other are fixedly arranged on the same side wall of the side linkage box, the needle head driving box is fixedly arranged at the tail end of the top arm, a transmission shaft is rotatably arranged in the needle head driving box, a lifting turntable is fixedly arranged at one end of the rotation shaft, and the other end of the transmission shaft extends into the side linkage box and is fixedly provided with a transmission disc; the miniature motor is fixedly arranged in the needle head driving box and drives the transmission shaft to rotate, so that the lifting turntable is driven to rotate. The invention solves the sewing problem of the multi-layer material for satellites.

Description

A long-arm handheld sewing machine for satellite multi-layer material production

Technical field

The invention relates to a long-arm handheld sewing machine used for manufacturing satellite multi-layer materials, and belongs to the technical field of sewing machines.

Background technique

The use of sewing machines facilitates people's production and life. When using them, the cloth needs to be placed on the workbench for sewing. When the cloth is inconvenient to be placed on the workbench, the sewing machine cannot be used for sewing. Moreover, traditional sewing machines are relatively large and cannot be used for sewing. Easy to carry and move, sewing production can only be achieved through the movement of fabrics.

Today's handheld sewing machines are driven in a V-shaped manner similar to that of a stapler, which solves the problem of portability. However, when faced with long-distance sewing, the pressing arm of the pressing drive method is too long, the driving force is large, and it is difficult to drive by hand. Therefore, existing handheld sewing machines have limited arm lengths and cannot meet the requirements for sewing large-size materials such as satellite multi-layer materials, especially when sewing multi-layer flame-retardant fabrics.

Contents of the invention

The technical problem solved by the present invention is to overcome the shortcomings of the existing technology and propose a long-arm handheld sewing machine for manufacturing multi-layer materials for satellites to solve the problem of sewing multi-layer materials for satellites.

The technical solution of the present invention is:

A long-arm handheld sewing machine used for making satellite multi-layer materials, including a bottom arm, a top arm, a side linkage box, a sliding cover shell, a needle drive box, a turntable, a micro motor, a lifting turntable and a transmission plate.

A bottom arm chute is provided on the outer wall of the bottom arm, a sliding cover shell is slidably installed on the bottom arm chute, and the top arm is arranged in the sliding cover shell;

A bottom arm and a top arm parallel to each other are fixedly installed on the same side wall of the side linkage box. A needle drive box is fixedly installed at the end of the top arm. A transmission shaft is installed for rotation inside the needle drive box. One end of the rotation shaft is fixedly installed with a lift. Turntable, the other end of the transmission shaft extends into the side linkage box and the transmission plate is fixedly installed;

A micro motor is fixedly installed inside the needle drive box, and the micro motor drives the transmission shaft to rotate, thereby driving the lifting turntable to rotate;

A vertical slide rail is fixedly installed on the inner box arm of the needle drive box, a slide block is installed on the slide rail, and a horizontal strip hole is fixedly installed on the slide block. A lifting disk surface shaft is fixedly installed on the outer disk surface of the lifting turntable. The disk shaft is inserted into the horizontal bar hole of the horizontal bar hole piece. When the lifting turntable rotates, the lifting disk shaft moves left and right in the horizontal bar hole and drives the horizontal bar hole piece to rise and fall reciprocally;

A lifting column is fixedly installed at the bottom of the horizontal bar hole piece, and a sewing needle is fixedly installed at the bottom of the lifting column through a needle fixing piece. A needle lifting hole is provided at the bottom of the needle drive box, and the bottom end of the sewing needle extends through the needle lifting hole. to the outside of the needle drive box;

A shuttle hook groove is provided at the top end of the bottom arm. A swing through hole is provided on the side groove wall of the shuttle hook groove. A swing shaft is rotated and installed in the swing through hole. One end of the swing shaft extends into the shuttle hook groove and a shuttle is fixedly installed. Hook piece, swing shuttle hook piece to realize hooking and setting off thread;

The top surface of the top arm is provided with a turntable groove, and a turntable is installed and rotated in the turntable groove;

There are limiting protrusions on both inner walls of the sliding cover shell. The limiting protrusions are slidably installed in the bottom arm chute. The limiting protrusions are provided with threaded through holes. Shell fastening bolts are screwed into the threaded through holes. , the shell fastening bolts on both sides are tightened and loosened with the bottom arm by rotating;

Adjust the coverage of the slide case by adjusting the case fastening bolts and release the bottom and top arms of corresponding lengths.

Further, the top arm is provided with a rotating shaft through hole, and the rotating shaft extends into the side linkage box through the rotating shaft through hole.

Further, the micro motor is provided with a motor driving gear. The motor driving gear is meshed with a needle driven gear. The needle driven gear is connected to the transmission shaft. The micro motor drives the transmission shaft to rotate through the linkage of the motor driving gear and the needle driven gear. , thereby driving the lifting turntable to rotate.

Further, a core rotating hole is provided at the center of the turntable, and a wire core post is rotated in the core rotation hole. The turntable and the wire core post are used to place the wire harness.

Further, a wire button is installed on the side wall of the needle drive box for winding limitation.

Further, the bottom surface of the top arm is fixedly installed with an inclined pressure bar, and the end of the pressure bar is fixedly installed with a pressure ring, and the pressure ring is arranged directly above the shuttle hook groove.

Further, when sewing, the material to be sewn is pressed below the pressure ring, the wire harness is placed on the turntable, the micro motor is started, the thread is driven by the sewing needle and penetrates into the material to be sewn, and the shuttle hook swings and hooks into the lower thread. On the line, the shuttle hook swings back after the sewing needle rises.

Further, the other end of the swing shaft extends into the side linkage box and is fixedly mounted with a lower swing gear. The lower swing gear is meshed with an upper swing gear, and the upper swing gear is mounted to the inner wall of the side linkage box through rotation of the gear shaft.

Further, a swing vertical bar hole piece is fixedly installed on the gear ring surface of the swing upper gear, a swing disk surface shaft is fixedly installed on the disk surface of the transmission plate, and the swing disk surface shaft is inserted into the vertical bar hole on the swing vertical bar hole piece.

Further, when the transmission plate rotates, the swing plate shaft moves up and down in the vertical strip hole and drives the swing vertical strip hole piece to swing. The swing vertical strip hole piece drives the swing shaft, the swing upper gear, and the swing lower gear to swing, thereby driving the shuttle hook. The piece swings to hook and release the line.

Compared with the prior art, the beneficial effects of the present invention are:

The long-arm hand-held sewing machine of the present invention can lengthen the arm length of the hand-held sewing machine through the bottom arm and the top arm arranged in parallel, and adjust the exposed arm length according to the sewing situation, so as to facilitate sewing when making large-size satellite multi-layer materials. Various parts of multi-layer materials.

Description of drawings

Figure 1 is a schematic side view of a long-arm hand-held sewing machine according to the present invention;

Figure 2 is a schematic diagram 1 of the needle drive box of a long-arm hand-held sewing machine according to the present invention;

Figure 3 is a second schematic view of the needle drive box of a long-arm hand-held sewing machine according to the present invention;

Figure 4 is a schematic diagram of the sliding cover shell of a long-arm hand-held sewing machine according to the present invention;

Figure 5 is an internal structural diagram of a long-arm handheld sewing machine without a sliding cover according to the present invention;

Figure 6 is an internal view of the side linkage box of a long-arm handheld sewing machine according to the present invention;

Figure 7 is a top view of the bottom arm of a long-arm handheld sewing machine according to the present invention.

Detailed ways

The present invention will be further described below in conjunction with the examples.

As shown in Figure 1-7, a long-arm handheld sewing machine used for making satellite multi-layer materials includes a bottom arm 1, a top arm 2, a side linkage box 3, a sliding cover shell 4, a needle drive box 10, and a micro motor. 14. Lifting turntable 20, transmission disk 29,

A bottom arm chute 7 is provided on the outer wall of the bottom arm 1. A sliding cover shell 4 is slidably installed on the bottom arm chute 7. The top arm 2 is arranged in the sliding cover shell 4;

A bottom arm 1 and a top arm 2 parallel to each other are fixedly installed on the same side wall of the side linkage box 3. A needle drive box 10 is fixedly installed at the end of the top arm 2. A transmission shaft 28 is installed inside the needle drive box 10 for rotation. One end of the shaft 28 is fixedly installed with a lifting turntable 20, and the other end of the transmission shaft 28 extends into the side linkage box 3 and is fixedly installed with a transmission disk 29, as shown in Figures 2 and 5;

A micro motor 14 is fixedly installed inside the needle drive box 10. The micro motor 14 drives the transmission shaft 28 to rotate, thereby driving the lifting turntable 20 to rotate;

A vertical slide rail 22 is fixedly installed on the inner box arm of the needle drive box 10, a slide block is installed on the slide rail 22, a horizontal strip hole piece 18 is fixedly installed on the slide block, and a vertical slide rail 22 is fixedly installed on the outer disk surface of the lifting turntable 20. The lifting disk shaft 19 is inserted into the horizontal bar hole of the horizontal bar hole member 18. When the lifting turntable 20 rotates, the lifting disk surface shaft 19 moves left and right in the horizontal bar hole and drives the horizontal bar hole member 18 to reciprocate. lift;

As shown in Figure 2, a lifting column 17 is fixedly installed at the bottom of the horizontal bar hole piece 18. A sewing needle 15 is fixedly installed at the bottom of the lifting column 17 through a needle fixing piece 16. A needle lifting hole is provided at the bottom of the needle drive box 10. The bottom end of the sewing needle 15 extends through the needle lift hole to the outside of the needle drive box 10;

As shown in Figures 6 and 7, a shuttle hook groove 32 is provided at the top end of the bottom arm 1. A swing through hole is provided on the side groove wall of the shuttle hook groove 32. A swing shaft 25 is installed in the swing through hole. The swing shaft 25 One end of the swing shaft 25 extends into the shuttle hook groove 32 and is fixedly installed with the shuttle hook 24. The other end of the swing shaft 25 extends into the side linkage box 3 and is fixedly installed with the swing lower gear 27. The swing lower gear 27 is meshed with and connected to the swing upper gear. 26. The upper swing gear 26 is rotated and installed on the inner wall of the side linkage box 3 through the gear shaft. The upper swing gear 26 has a swing vertical bar hole piece 30 fixedly installed on the tooth ring surface, and a swing vertical bar hole piece 30 is fixedly installed on the surface of the transmission plate 29. The swing disk shaft is inserted into the vertical strip hole on the swing vertical strip hole piece 30. When the transmission plate 29 rotates, the swing deck shaft moves up and down in the vertical strip hole and drives the swing vertical strip hole piece 30 to swing. , the swing vertical bar hole piece 30 drives the swing shaft 25, the swing upper gear 26, and the swing lower gear 27 to swing, thereby driving the shuttle hook 24 to swing to hook and release the thread;

In this embodiment, an inclined press bar 13 is fixedly installed on the bottom surface of the top arm 2. The press bar 13 has a certain elasticity and thus produces smaller deformation. A press ring 8 is fixedly installed at the end of the press bar 13. The press ring 8 is arranged on the shuttle. Just above the hook groove 32.

As shown in Figure 4, in this embodiment, the sliding cover shell 4 is a door-shaped cover body. Limiting protrusions 23 are provided on both inner walls of the sliding cover shell 4. The limiting protrusions 23 are slidably installed in the bottom arm chute 7. Inside, the limiting protrusion 23 is provided with a threaded through hole, and a shell fastening bolt 6 is screwed in the threaded through hole. The shell fastening bolts 6 on both sides are rotated to achieve fastening and loosening with the bottom arm 1;

In this embodiment, a battery slot is also provided on the top surface of the bottom arm 1, and a rechargeable battery assembly is installed in the battery slot for power supply of the micro motor 14. The handle 5 is fixedly installed on the top of the slide case 4.

In this embodiment, the top surface of the top arm 2 is provided with a turntable groove, and a turntable 11 is installed and rotated in the turntable groove. A spindle hole is provided at the center of the turntable 11, and a wired core post is rotated in the spindle hole. 12. The turntable 11 and the wire core post 12 are used to place the wire harness, and the wire button 9 is installed on the side box wall of the needle drive box 10 for winding limit.

Adjust the coverage of the sliding cover shell 4 by adjusting the shell fastening bolt 6, release the bottom arm 1 and the top arm 2 of the corresponding length, press the material to be sutured under the pressure ring 8, place the wire harness on the turntable 11, and start the micro Driven by the motor 14 and the sewing needle 15, the thread penetrates into the material to be sewn, and the shuttle hook 24 swings and hooks into the lower thread. After the sewing needle 15 rises, the shuttle hook 24 swings back to facilitate the next sewing action.

The long-arm hand-held sewing machine of the present invention can lengthen the arm length of the hand-held sewing machine through the bottom arm and the top arm arranged in parallel, and adjust the exposed arm length according to the sewing situation, so as to facilitate sewing when making large-size satellite multi-layer materials. Various parts of multi-layer materials.

Although the present invention has been disclosed above in terms of preferred embodiments, they are not intended to limit the present invention. Any person skilled in the art can utilize the methods and technical contents disclosed above to improve the present invention without departing from the spirit and scope of the present invention. Possible changes and modifications are made to the technical solution. Therefore, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention, all belong to the technical solution of the present invention. protected range.

Claims (10)

1. A long arm type hand-held sewing machine for manufacturing satellite multilayer materials is characterized by comprising a bottom arm (1), a top arm (2), a side linkage box (3), a sliding cover shell (4), a needle head driving box (10), a rotary table (11), a miniature motor (14), a lifting rotary table (20) and a transmission disc (29),

a bottom arm sliding groove (7) is formed in the outer side wall of the bottom arm (1), a sliding cover shell (4) is slidably arranged on the bottom arm sliding groove (7), and a top arm (2) is arranged in the sliding cover shell (4);

a bottom arm (1) and a top arm (2) which are parallel to each other are fixedly arranged on the same side wall of the side linkage box (3), a needle head driving box (10) is fixedly arranged at the tail end of the top arm (2), a transmission shaft (28) is rotatably arranged in the needle head driving box (10), a lifting turntable (20) is fixedly arranged at one end of the transmission shaft (28), and a transmission disc (29) is fixedly arranged at the other end of the transmission shaft (28) extending into the side linkage box (3);

a micro motor (14) is fixedly arranged in the needle head driving box (10), and the micro motor (14) drives a transmission shaft (28) to rotate, so that the lifting turntable (20) is driven to rotate;

a vertical sliding rail (22) is fixedly arranged on an inner side box arm of the needle driving box (10), a sliding block is arranged on the sliding rail (22), a horizontal bar hole piece (18) is fixedly arranged on the sliding block, a lifting disc surface shaft (19) is fixedly arranged on the outer side disc surface of the lifting rotary table (20), the lifting disc surface shaft (19) is inserted into a horizontal bar hole of the horizontal bar hole piece (18), and when the lifting rotary table (20) rotates, the lifting disc surface shaft (19) moves left and right in the horizontal bar hole and drives the horizontal bar hole piece (18) to reciprocate;

lifting columns (17) are fixedly arranged at the bottoms of the transverse bar hole pieces (18), sewing needles (15) are fixedly arranged at the bottom ends of the lifting columns (17) through needle fixing pieces (16), needle lifting holes are formed in the bottoms of the needle head driving boxes (10), and the bottom ends of the sewing needles (15) extend to the outer sides of the needle head driving boxes (10) through the needle lifting holes;

a shuttle hook groove (32) is formed in the tail end of the top of the bottom arm (1), a swing through hole is formed in the side groove wall of the shuttle hook groove (32), a swing shaft (25) is rotatably installed in the swing through hole, one end of the swing shaft (25) extends into the shuttle hook groove (32) and is fixedly provided with a shuttle hook piece (24), and the shuttle hook piece (24) is swung to achieve thread hooking and paying-off;

the top surface of the top arm (2) is provided with a rotary disc groove, and a rotary disc (11) is rotatably arranged in the rotary disc groove;

limiting convex parts (23) are arranged on the two inner side shell walls of the sliding cover shell (4), the limiting convex parts (23) are slidably arranged in the bottom arm sliding grooves (7), threaded through holes are formed in the limiting convex parts (23), shell fastening bolts (6) are connected in the threaded through holes in an internal rotating mode, and the shell fastening bolts (6) on the two sides are fastened and loosened with the bottom arm (1) through rotation;

the coverage range of the sliding cover shell (4) is adjusted by adjusting the shell fastening bolt (6), and the bottom arm (1) and the top arm (2) with corresponding lengths are released.

2. A long arm hand-held sewing machine for satellite multilayer material manufacture according to claim 1, wherein the top arm (2) is provided with a rotation shaft through hole through which the rotation shaft (28) extends into the side linkage box (3).

3. The long-arm type hand-held sewing machine for manufacturing satellite multilayer materials according to claim 1, wherein a motor driving gear is arranged on the micro motor (14), a needle driven gear (21) is connected to the motor driving gear in a meshed mode, the needle driven gear (21) is connected to a transmission shaft (28), and the micro motor (14) drives the transmission shaft (28) to rotate through linkage of the motor driving gear and the needle driven gear (21), so that the lifting turntable (20) is driven to rotate.

4. The long-arm type handheld sewing machine for manufacturing satellite multilayer materials according to claim 1, wherein a core spinning hole is formed in the center of a rotary disc (11), a core column (12) is connected to a core spinning Kong Naxuan, and the rotary disc (11) and the core column (12) are used for placing wire harnesses.

5. A long arm hand-held sewing machine for satellite multilayer material manufacture according to claim 4, wherein the side wall of the needle drive box (10) is provided with a thread button (9) for thread winding limit.

6. The long-arm type hand-held sewing machine for manufacturing satellite multilayer materials according to claim 1, wherein a pressing bar (13) which is obliquely arranged is fixedly arranged on the bottom surface of the top arm (2), a pressing ring (8) is fixedly arranged at the tail end of the pressing bar (13), and the pressing ring (8) is arranged right above the hook groove (32).

7. The long arm type hand-held sewing machine for manufacturing satellite multi-layer materials according to claim 6, wherein when in sewing, the material to be sewn is pressed below the pressing ring (8), the wire harness is placed on the rotary table (11), the micro motor (14) is started, the wire penetrates into the material to be sewn under the driving of the sewing needle (15), the hook piece (24) swings and hooks into the wire which is worn down, and the hook piece (24) swings back after the sewing needle (15) is lifted.

8. A long arm type hand-held sewing machine for satellite multi-layer material manufacture according to claim 1, wherein the other end of the swinging shaft (25) extends into the side linkage box (3) and is fixedly provided with a swinging lower gear (27), the swinging lower gear (27) is connected with a swinging upper gear (26) in a meshed manner, and the swinging upper gear (26) is rotatably arranged on the inner side wall of the side linkage box (3) through a gear shaft.

9. The long arm type hand-held sewing machine for manufacturing satellite multilayer materials according to claim 8, wherein a swinging vertical bar hole piece (30) is fixedly arranged on the tooth ring surface of the swinging upper gear (26), a swinging disk surface shaft is fixedly arranged on the disk surface of the transmission disk (29), and the swinging disk surface shaft is inserted into the vertical bar hole on the swinging vertical bar hole piece (30).

10. A long arm hand-held sewing machine for satellite multilayer material manufacture according to claim 9, wherein when the drive disc (29) rotates, the oscillating disc surface shaft moves up and down in the vertical bar hole and drives the oscillating vertical bar hole member (30) to oscillate, the oscillating vertical bar hole member (30) drives the oscillating shaft (25), the oscillating upper gear (26) and the oscillating lower gear (27) to oscillate, thereby driving the shuttle hook member (24) to oscillate and hook the thread to pay off.