JP5393743B2 - Pillar type high head sewing machine - Google Patents

Description

  The present invention relates to a kind of column type high head sewing machine, and more particularly to a column type high head sewing machine by the design of a spindle device, a curved needle driving device, a curved needle up / down driving device, a needle protection mechanism, a cloth feeding mechanism, and a fixed seat device. The present invention relates to a sewing machine capable of sewing a portion having a relatively small turning radius with a relatively sufficient operation space and applicable to a flat lock sewing machine or a similar structure.

  As fashion develops in pursuit of newness and change, the sewing machine equipment used also develops in the direction of speed, multifunction, precision, and computerization. Flat lock sewing machines are a kind of sewing machines that are currently accepted. It is applied to stitches (overlock stitching) on various dressing surfaces. In addition, it is applied to knit stitches, and the stitches have good elasticity and stretchability, the stitches are flat and have a good appearance, and fraying of the edge of the surface material can be effectively prevented.

  The current flat lock sewing machine is roughly divided into a platform type flat lock sewing machine and a cylindrical flat lock sewing machine, and most of the flat lock sewing machines have a sewing part having two or more sewing needles and one curved needle. The stitch seams are flat, and the strength and elasticity of the seams are relatively good. Flat lock sewing machines include various types such as seaming, edge bending, stitching, stitch reinforcement fixing, double-sided decorative sewing, single-sided decorative sewing, etc. However, regardless of whether the platform type or the cylindrical type is used, there is not enough operating space for the user to sew a special cloth, and the turning radius is particularly small. As for the sewing of the parts that need to be sewn, neither type of flat lock sewing machine can complete the sewing.

  Therefore, in view of the above-mentioned drawbacks, the present inventor has provided a column type high head sewing machine capable of sewing a portion having a relatively small turning radius, and has advanced research and development so that the user can easily perform operation and assembly. Attempting to provide convenience to the user is the motivation of the present invention.

  A main object of the present invention is to provide a kind of column type high head sewing machine, which includes a spindle device, a curved needle drive device, a curved needle vertical drive device, a needle protection mechanism, a cloth feed mechanism, and a fixed seat device. This design creates a unequal amount of differential oscillation due to the oscillation between the main fabric feed mechanism and the differential fabric feed mechanism of the fabric feed mechanism, so that the column type high head sewing machine has a relatively sufficient operation space. Thus, it is assumed that the part having a relatively small turning radius can be sewn, thereby improving the overall practicality.

  The column type high head sewing machine of the present invention includes a spindle device, a curved needle driving device, a curved needle longitudinal driving device, a needle protection mechanism, a cloth feed mechanism, and a fixed seat device. The main shaft device is provided with a main shaft and serves to output an operating force. The curved needle driving device is connected to the main shaft of the spindle device, and the curved needle driving device is provided with a curved needle, and the curved needle driving device drives the curved needle to operate. Further, the curved needle vertical drive device is connected to the main shaft of the main spindle device, and the curved needle vertical drive device operates together with the curved needle drive device to move the curved needle of the curved needle drive device up and down. . The needle protection mechanism is connected to the main shaft of the main spindle device, and a needle protection seat is provided in the needle protection mechanism to protect the operation of the sewing needle. The cloth feed mechanism is connected to the main shaft of the main spindle device, and the cloth feed mechanism includes a main cloth feed mechanism and a differential cloth feed mechanism, and the main cloth feed mechanism and the differential cloth feed mechanism are operated at an elevation. To drive the cloth forward. And the fixed seat device accommodates the curved needle drive device, the curved needle longitudinal drive device, the needle protection mechanism, and the cloth feed mechanism, and the fixed seat device includes a needle plate, a fixed seat, and a thread trimming mechanism. The fixed seat is a columnar body, the needle plate is fixed above the fixed seat, and the thread trimming mechanism is connected under the needle plate to perform a thread trimming operation.

  Thus, the columnar high head sewing machine of the present invention has a relatively sufficient operation space and is used for sewing a portion having a relatively small turning radius.

It is a three-dimensional external view of the Example of this invention. It is an exploded view of the main components of the Example of this invention. It is a combination display figure of the curved needle drive device and curved needle vertical drive device of the Example of this invention. It is the combination display figure seen from another angle of the curved needle drive device of the Example of this invention, and a curved needle vertical drive device. It is a combination display figure of the needle | hook protection mechanism of the Example of this invention. It is a combination display figure of the cloth feed mechanism of the example of the present invention. It is the combination display figure seen from another angle of the differential cloth feed mechanism of the Example of this invention. It is the combination display figure seen from another angle of the main cloth feed mechanism of the Example of this invention. It is an exploded view of the fixed seat apparatus of the Example of this invention. It is a combination display figure of the thread trimming mechanism of the Example of this invention. It is a combination display figure with the sewing machine stand of the Example of this invention. It is a combination display figure with the sewing machine stand seen from another angle of the Example of this invention.

  In order to describe in detail the technical contents, structural features, and objects to be achieved of the present invention, examples will be described below in combination with drawings.

  Please refer to FIG. 1 to FIG. The column type high head sewing machine of the present invention includes a spindle device 10, a curved needle drive device 20, a curved needle longitudinal drive device 30, a needle protection mechanism 40, a cloth feed mechanism 50, and a fixed seat device 80.

  The main shaft device 10 is provided with a main shaft 11 for outputting an operating force. The curved needle driving device 20 is connected to the main shaft 11 of the main spindle device 10, and the curved needle driving device 20 is provided with a curved needle 28, and the curved needle driving device 20 drives the curved needle to operate. .

  The curved needle vertical drive device 30 is connected to the main shaft of the main spindle device 10, and the curved needle vertical drive device 30 operates together with the curved needle drive device 20. The curved needle 28 is moved up and down.

  The needle protection mechanism 40 is connected to the spindle 11 of the spindle device 10, and a needle protection seat is provided in the needle protection mechanism 40 to protect the operation of the sewing needle. The cloth feed mechanism 50 is connected to the main shaft of the spindle device 10, and the cloth feed mechanism 50 includes a main cloth feed mechanism 60 and a differential cloth feed mechanism 70, and the main cloth feed mechanism 60 and the differential The cloth is driven and advanced by the elevation operation of the cloth feed mechanism 70.

  The fixed seat device 80 accommodates the curved needle driving device 20, the curved needle longitudinal driving device 30, the needle protection mechanism 40, and the cloth feed mechanism 50. The fixed seat device 80 includes a needle plate 81, A fixed seat 82 and a thread trimming mechanism 83 are provided, the fixed seat 82 is a columnar body, the needle plate 81 is fixed above the fixed seat 82, and the thread trimming mechanism 83 is provided on the needle plate 81. Connected to the bottom to perform thread trimming. Accordingly, the columnar high head sewing machine 1 has a relatively sufficient operation space and is used for sewing a portion having a relatively small turning radius.

  Among them, the curved needle drive device 20 is further provided with an eccentric drive shaft 21, a bearing 22, a connecting rod drive body 23, a connecting rod 24, a universal joint 25, an operating rod 26, a curved needle seat 27 and a curved needle 28. .

  The eccentric drive shaft 21 is fitted to the main shaft 11 and can be actuated thereby. The connecting rod drive body 23 is a hollow circular body, houses the bearing 22 and is fitted to the eccentric drive shaft 21, and the connection A recess 231 is provided at the upper end of the rod driver 23, and the connecting rod 24 is fitted into the recess 231 and fixed by a pin 341. A universal joint 25 is attached to one end of the connecting rod 24. A shaft hole 261 is provided at the upper end of the operating rod 26, and a circular hole 262 is provided at the lower end. The universal joint 25 is passed through a circular hole 262 at the lower end of the actuating rod 26 and can be interlocked thereby. Further, the curved needle seat 27 is passed through the shaft hole 261 at the upper end of the operating rod 26, and the curved needle 28 is fixed to the curved needle seat 27 with a bolt 271.

  The curved needle longitudinal drive device 30 further includes a curved needle longitudinal drive shaft 31, a curved needle slide block 32, a curved needle connecting rod 33, a support seat 34, a support seat slide block 35, a curved needle seat shaft 36, and a support sleeve. 37 and a bushing 38 are provided.

  The curved needle longitudinal drive shaft 31 and the curved needle slide block 32 are fitted to the main shaft 11, a concave portion 331 is provided at the lower end of the curved needle connecting rod 33 and fitted to the curved needle slide block 32, and A slide groove 332 is provided in the middle of the curved needle connecting rod 33, the support seat slide block 35 is attached in the slide groove 332, and the support seat slide block 35 is attached to the support seat 34 with a pin 341. The support seat 34 is screwed to the fixed seat 82. Further, a Y-shaped portion 333 is provided at the upper end of the curved needle connecting rod 33, the bush 38 is fixed to the Y-shaped portion 333 with a pin 381, and the curved needle seat shaft 36 is provided with a support sleeve 37, a bush 38, an operating rod. 26, the needle seat 27 and the support sleeve 37 are passed through and operated integrally.

  The needle protection mechanism 40 is further provided with a needle protection drive shaft 41, a needle protection slide block 42, a needle protection connecting rod 43, a support pin 44, a support seat 45, a needle protection seat 46, and a needle protection portion 47.

  The needle protection drive shaft 41 and the needle protection slide block 42 are fitted to the main shaft 11, a recess 431 is provided at the lower end of the needle protection connecting rod 43, and the needle protection slide block 42 is fitted. The needle protection portion 47 is fixed on the needle protection seat 46, the needle protection seat 46 is connected to the needle protection connecting rod 43, and a circular hole 432 is provided in an intermediate portion of the needle protection connecting rod 43, One end of the support pin 44 is passed through the circular hole 432, the other end of the support pin 44 is passed through the support seat 45, and the support seat 45 is screwed to the fixed seat 82.

  In addition to the main cloth feed mechanism 60 of the cloth feed mechanism 50, a cloth feed dog vertical drive shaft 61, a main cloth feed connecting rod 62, a main cloth feed pin 63, a main cloth feed tooth seat 64, a support seat 65, and a main cloth feed tooth 66 are provided. A main cloth feed operation connecting rod 67, a main cloth feed driving arm 68, and a cloth feed output shaft 69 are provided.

  The cloth feed dog vertical drive shaft 61 and the main cloth feed connecting rod 62 are fitted to the main shaft 11, a circular hole 641 is provided below the main fabric feed tooth seat 64, and both ends of the main fabric feed operating connecting rod 67. Are also provided with circular holes 671 and 672, and the main cloth feed pin 63 has a circular hole 641 below the main cloth feed tooth seat 64, a circular hole 671 at one end of the main cloth feed operation connecting rod 67, and the main cloth feed connecting rod 62. The main cloth feed tooth seat 64, the main cloth feed operation connecting rod 67, and the main cloth feed connecting rod 62 operate integrally. Further, a hole 642 is provided in the middle of the main cloth feed dog seat 64 so that the support shaft 734 is inserted into the support seat 65 through the main cloth feed dog slide block 643, and the support seat 65 is fixed to the fixed seat 82. Screwed on. Further, a groove 644 is provided above the main cloth feed dog seat 64, the main cloth feed dog 66 is combined with the bolt 661 in the groove 644, and the height of the main cloth feed dog 66 is set in the groove 644. Adjustable. The circular hole 672 at the other end of the main cloth feed operation connecting rod 67 is connected to the main cloth feed drive arm 68 through the pin 681, and the main cloth feed drive arm 68 is further fitted to the cloth feed output shaft 69. Combined and linked.

  In addition to the differential cloth feed mechanism 70 of the cloth feed mechanism 50, a differential cloth feed connecting rod 71, a differential cloth feed pin 72, a differential cloth feed tooth seat 73, a differential cloth feed slide block 741, and a differential cloth feed tooth. 74, a differential first operating connecting rod 75, a differential second operating connecting rod 76, a differential cloth feed drive arm 77, an adjusting arm 78, and an adjusting shaft 79 are provided.

  The differential cloth feed connecting rod 71 is fitted to the main shaft 11, and a circular hole 731 is provided below the differential cloth feed tooth seat 73. In addition, circular holes 751 and 752 are provided at both ends of the differential first operation connecting rod 75, and the differential cloth feed pin 72 is connected to the circular hole 731 below the differential cloth feed tooth seat 73 and the differential first operation connection. By passing the circular hole 751 at one end of the rod 75 and the differential cloth feed connecting rod 71, the differential cloth feed tooth seat 73, the differential first operation connecting rod 75, and the differential cloth feed connecting rod 71 are in a joint operation. To do.

  In addition, circular holes 761 and 762 are provided at both ends of the differential second operation connecting rod 76, a slide guide block 771 is provided at the lower end of the differential cloth feed drive arm 77, and a pin 772 is different from the slide guide block 771. The circular hole 761 of the moving second operating connecting rod 76 and the other circular hole 752 of the differential first operating connecting rod 75 are connected. The differential cloth feed drive arm 77 is further fitted to the cloth feed output shaft 69 to perform a joint operation. Another circular hole 762 of the differential second actuating connecting rod 76 is connected to the adjusting arm 78 by a pin 781, and one end of the adjusting arm 78 is further connected to the adjusting shaft 79, and can be adjusted in conjunction.

  A rail groove 732 is provided above the differential cloth feed dog seat 73, the differential cloth feed dog 74 is coupled to the rail groove 732 with a bolt 742, and the differential cloth feed dog 74 is connected to the rail groove 732. The height is adjustable. Further, a hole 733 is provided in the middle of the differential cloth feed tooth seat 73, and the support shaft 734 is passed through the differential cloth feed slide block 741 to form a fulcrum, which is used for interlocking.

  As shown in FIGS. 1 to 12, the columnar high head sewing machine 1 of the present invention is provided on a sewing machine base 2 (as shown in FIG. 1), and the best implementation method of the columnar high head sewing machine 1 is shown. Consists of a spindle device 10, a curved needle drive device 20, a curved needle longitudinal drive device 30, a needle protection mechanism 40, a cloth feed mechanism 50, and a fixed seat device 80.

  The main shaft device 10 is provided with a main shaft 11 for outputting an operating force. The curved needle drive device 20 includes an eccentric drive shaft 21, a bearing 22, a connecting rod drive body 23, a connecting rod 24, a universal joint 25, an operating rod 26, a curved needle seat 27, and a curved needle 28 (as shown in FIG. 2). Provided.

  The eccentric drive shaft 21 is fitted to the main shaft 11 and can be actuated thereby. The connecting rod drive body 23 is a hollow circular body, houses the bearing 22 and is fitted to the eccentric drive shaft 21, and the connection A recess 231 is provided at the upper end of the rod driver 23, and the connecting rod 24 is fitted into the recess 231 and fixed by a pin 341.

  A universal joint 25 is attached to one end of the connecting rod 24. Separately, a shaft hole 261 is provided at the upper end of the operating rod 26 and a circular hole 262 is provided at the lower end. The universal joint 25 is passed through a circular hole 262 at the lower end of the actuating rod 26 and can be interlocked thereby. Further, the curved needle seat 27 is passed through the shaft hole 261 at the upper end of the operating rod 26, and the curved needle 28 is fixed to the curved needle seat 27 with a bolt 271.

  As a result, when the main shaft 11 drives and rotates the eccentric drive shaft 21, power is transmitted to the operating rod 26 via the connecting rod driving body 23, connecting rod 24, and universal joint 25. The curved needle 28 is driven by the bar 26 to perform a reciprocating rotation around the center (as shown in FIG. 3 or FIG. 4).

  Further, the curved needle longitudinal drive device 30 includes a curved needle longitudinal drive shaft 31, a curved needle slide block 32, a curved needle connecting rod 33, a support seat 34, a support seat slide block 35, a curved needle seat shaft 36, and a support. A sleeve 37 and a bush 38 are provided (as shown in FIG. 2).

  The curved needle longitudinal drive shaft 31 and the curved needle slide block 32 are fitted to the main shaft 11, a concave portion 331 is provided at the lower end of the curved needle connecting rod 33 and fitted to the curved needle slide block 32, and A slide groove 332 is provided in the middle of the curved needle connecting rod 33, the support seat slide block 35 is attached in the slide groove 332, and the support seat slide block 35 is attached to the support seat 34 with a pin 341. The support seat 34 is screwed to the fixed seat 82.

  Further, a Y-shaped portion 333 is provided at the upper end of the curved needle connecting rod 33, the bush 38 is fixed to the Y-shaped portion 333 with a pin 381, and the curved needle seat shaft 36 is provided with a support sleeve 37, a bush 38, an operating rod. 26, the needle seat 27 and the support sleeve 37 are passed through and operated integrally.

  Thus, when the curved needle vertical drive shaft 31 performs a periodic operation, the vertical movement force is removed through the curved needle slide block 32, and the vertical force is transmitted through the curved needle connecting rod 33. A slide groove 332 is provided in the middle of the needle connecting rod 33, the support seat slide block 35 is mounted in the slide groove 332, and swings periodically with a pin 341 on the support seat 34 as a fulcrum. The Y-shaped portion 333 at the upper end of the curved needle connecting rod 33 and the bush 38 are movably connected by a pin 381, thereby limiting the axial direction of the bush 38, and the curved needle seat shaft 36 can be expanded and contracted only in the vertical direction. In addition, by the vertical movement of the curved needle seat shaft 36, the curved needle 28 on the curved needle seat 27 moves up and down integrally (as shown in FIG. 3 or FIG. 4).

  Further, the needle protection mechanism 40 is provided with a needle protection drive shaft 41, a needle protection slide block 42, a needle protection connecting rod 43, a support pin 44, a support seat 45, a needle protection seat 46, and a needle protection portion 47 (see FIG. 2).

  The needle protection drive shaft 41 and the needle protection slide block 42 are fitted to the main shaft 11, a recess 431 is provided at the lower end of the needle protection connecting rod 43, and the needle protection slide block 42 is fitted. The needle protection portion 47 is fixed on the needle protection seat 46, the needle protection seat 46 is connected to the needle protection connecting rod 43, and a circular hole 432 is provided in an intermediate portion of the needle protection connecting rod 43, One end of the support pin 44 is passed through the circular hole 432, the other end of the support pin 44 is passed through the support seat 45, and the support seat 45 is screwed to the fixed seat 82.

  As a result, when the needle protection drive shaft 41 is actuated to drive the needle protection connecting rod 43, the needle protection connecting rod 43 operates vertically with the support pin 44 connected in the middle as a fulcrum, and the needle protection connecting rod 43 The needle protection seat 46 and the needle protection part 47 connected to the upper end of the needle are integrally moved vertically (as shown in FIG. 5).

  Further, the main fabric feed mechanism 60 of the fabric feed mechanism 50 includes a fabric feed dog vertical drive shaft 61, a main fabric feed connecting rod 62, a main fabric feed pin 63, a main fabric feed tooth seat 64, a support seat 65, a main fabric. A feed dog 66, a main fabric feed operation connecting rod 67, a main fabric feed drive arm 68, and a fabric feed output shaft 69 are provided (as shown in FIG. 2).

  The cloth feed dog vertical drive shaft 61 and the main cloth feed connecting rod 62 are fitted to the main shaft 11, a circular hole 641 is provided below the main fabric feed tooth seat 64, and both ends of the main fabric feed operating connecting rod 67. Are also provided with circular holes 671 and 672, and the main cloth feed pin 63 has a circular hole 641 below the main cloth feed tooth seat 64, a circular hole 671 at one end of the main cloth feed operation connecting rod 67, and the main cloth feed connecting rod 62. The main cloth feed tooth seat 64, the main cloth feed operation connecting rod 67, and the main cloth feed connecting rod 62 operate integrally.

  Further, a hole 642 is provided in the middle of the main cloth feed dog seat 64 so that the support shaft 734 is inserted into the support seat 65 through the main cloth feed dog slide block 643, and the support seat 65 is fixed to the fixed seat 82. Screwed on.

  Further, a groove 644 is provided above the main cloth feed dog seat 64, the main cloth feed dog 66 is combined with the bolt 661 in the groove 644, and the height of the main cloth feed dog 66 is set in the groove 644. Adjustable. The circular hole 672 at the other end of the main cloth feed operation connecting rod 67 is connected to the main cloth feed drive arm 68 through the pin 681, and the main cloth feed drive arm 68 is further fitted to the cloth feed output shaft 69. Combined and linked.

  As a result, the cloth feed output shaft 69 obtains reciprocating power from the main shaft 11 of the spindle device 10, and the cloth feed output shaft 69 further outputs power through the main cloth feed drive arm 68 and the main cloth feed operation connecting rod 67. One end of the main cloth feed operation connecting rod 67 is movably connected to a main cloth feed tooth seat 64 by a main cloth feed pin 63, whereby the main cloth feed tooth seat 64 swings vertically with the support shaft 734 as a fulcrum. It is possible. The main cloth feed dog 66 connected to the main cloth feed tooth seat 64 is adjusted to a required height in the groove 644 through the bolt 661.

  The cloth feed dog vertical drive shaft 61 transmits power to the main cloth feed tooth seat 64 through the main cloth feed connecting rod 62 and the main cloth feed pin 63, and the main cloth feed tooth seat 64 is transmitted to the main cloth feed dog slide block 643. Along with the vertical movement, the effect of step feed is formed under the influence of the vertical movement (as shown in FIG. 8).

  Further, a differential cloth feed connecting rod 71, a differential cloth feed pin 72, a differential cloth feed tooth seat 73, a differential cloth feed slide block 741, a differential cloth feed mechanism 70 are added to the differential cloth feed mechanism 70. A feed dog 74, a differential first operating connecting rod 75, a differential second operating connecting rod 76, a differential cloth feed driving arm 77, an adjusting arm 78 and an adjusting shaft 79 are provided (as shown in FIG. 2).

  The differential cloth feed connecting rod 71 is fitted to the main shaft 11, and a circular hole 731 is provided below the differential cloth feed tooth seat 73. Also, circular holes 751 and 752 are provided at both ends of the differential first operation connecting rod 75. The differential cloth feed pin 72 is passed through the circular hole 731 below the differential cloth feed tooth seat 73, the circular hole 751 at one end of the differential first operation connecting rod 75, and the differential cloth feed connecting rod 71. The differential cloth feed tooth seat 73, the differential first operation connecting rod 75, and the differential cloth feed connecting rod 71 are jointly operated.

  In addition, circular holes 761 and 762 are provided at both ends of the differential second operation connecting rod 76, a slide guide block 771 is provided at the lower end of the differential cloth feed drive arm 77, and a pin 772 is different from the slide guide block 771. The circular hole 761 of the moving second operating connecting rod 76 and the other circular hole 752 of the differential first operating connecting rod 75 are connected. The differential cloth feed drive arm 77 is further fitted to the cloth feed output shaft 69 to perform a joint operation.

  Another circular hole 762 of the differential second actuating connecting rod 76 is connected to the adjusting arm 78 by a pin 781, and one end of the adjusting arm 78 is further connected to the adjusting shaft 79, and can be adjusted in conjunction. A rail groove 732 is provided above the differential cloth feed dog seat 73, the differential cloth feed dog 74 is coupled to the rail groove 732 with a bolt 742, and the differential cloth feed dog 74 is connected to the rail groove 732. The height is adjustable. Further, a hole 733 is provided in the middle of the differential cloth feed tooth seat 73, and the support shaft 734 is passed through the differential cloth feed slide block 741 to form a fulcrum, which is used for interlocking.

  Thereby, the power of the cloth feed output shaft 69 is transmitted to the differential cloth feed drive arm 77, and the differential first operation connecting rod 75 is driven by the slide guide block 771 on the differential cloth feed drive arm 77. . Further, the differential second actuating connecting rod 76 is driven by the adjustment arm 78, and the distance of the force moment of the differential cloth feed driving arm 77 is changed, whereby the force moment of the differential cloth feed driving arm 77 is changed. After the distance is changed, the swing amount of the driven differential cloth feed tooth seat 73 is also changed accordingly, thereby causing the swing amount of the main cloth feed tooth seat 64 to be non-constant and the differential swing. Is formed (as shown in FIG. 7).

  Further, the fixed seat device 80 accommodates the curved needle drive device 20, the curved needle longitudinal drive device 30, the needle protection mechanism 40, and the cloth feed mechanism 50 (as shown in FIG. 11 or FIG. 12). . The fixed seat device 80 is provided with a needle plate 81, a fixed seat 82, and a thread trimming mechanism 83 (as shown in FIG. 9).

  The fixed seat 82 is a columnar body, the needle plate 81 is fixed above the fixed seat 82, and the thread trimming mechanism 83 is connected below the needle plate 81 to perform a thread trimming operation.

  Accordingly, the columnar high head sewing machine 1 has a relatively sufficient operation space and is used for sewing a portion having a relatively small turning radius.

  Overall, the column-type high head sewing machine of the present invention is used for sewing parts that require a relatively small radius of rotation, and the arrangement of the entire structure can be easily combined, thus improving its function and its operation. The means are new and meet the requirements of the patent.

DESCRIPTION OF SYMBOLS 1 Column type high head sewing machine 2 Sewing machine base 10 Spindle device 11 Spindle 20 Curved needle drive device 21 Eccentric drive shaft 22 Bearing 23 Connecting rod drive body 231 Recess 24 Connecting rod 25 Universal joint 26 Actuation rod 261 Shaft hole 262 Circular hole 27 Curved needle Seat 271 Bolt 28 Curved needle 30 Curved needle longitudinal drive device 31 Curved needle longitudinal drive shaft 32 Curved needle slide block 33 Curved needle connecting rod 331 Recess 332 Slide groove 333 Y-shaped portion 34 Support seat 341 Pin 35 Support seat slide block 36 Curved needle seat shaft 37 Support sleeve 38 Bush 381 Pin 40 Needle protection mechanism 41 Needle protection drive shaft 42 Needle protection slide block 43 Needle protection connecting rod 431 Recess 432 Circular hole 44 Support pin 45 Support seat 46 Needle protection seat 47 Needle protection portion 50 Cloth feed mechanism 60 Main cloth feed mechanism 61 Cloth feed dog vertical drive shaft 62 Main cloth feed connecting rod 63 Main cloth Feed pin 64 Main cloth feed dog seat 641 Circular hole 642 Hole 643 Main cloth feed dog slide block 644 Groove 65 Support seat 66 Main cloth feed dog 661 Bolt 67 Main cloth feed operation connecting rod 671 Circular hole 672 Circular hole 68 Main cloth feed drive Arm 681 Pin 69 Cloth feed output shaft 70 Differential cloth feed mechanism 72 Differential cloth feed pin 73 Differential cloth feed tooth seat 731 Circular hole 732 Rail groove 733 Hole 734 Support shaft 74 Differential cloth feed tooth 741 Differential cloth feed slide Block 742 Bolt 75 Differential first operating connecting rod 751 Circular hole 752 Circular hole 76 Differential second operating connecting rod 761 Circular hole 762 Circular hole 77 Differential cloth feed drive arm 771 Slide guide block 772 Pin 78 Adjusting arm 781 Pin 79 Adjustment shaft 80 Fixed seat device 81 Needle plate 82 Fixed seat 83 Thread trimming mechanism

Claims (6)

In column type high head sewing machine,
A main shaft device provided with the main shaft and used for outputting an operating force, and a curved needle driving device connected to the main shaft of the main shaft device and provided in the curved needle driving device. The curved needle driving device for driving the curved needle,
A curved needle vertical driving unit is connected to the main axis of the main shaft device, and operates with the curved needle driving device, causing vertical operation songs needle curved needle driving device, and the music needle vertical driving device A needle protection mechanism that is connected to the spindle of the spindle device and protects the operation of the sewing needle by a needle protection seat provided in the needle protection mechanism;
A cloth feed mechanism, which is connected to the main shaft of the spindle device, includes a main cloth feed mechanism and a differential cloth feed mechanism, and drives the cloth by the vertical movement of the main cloth feed mechanism and the differential cloth feed mechanism. Advance the cloth feed mechanism;
A fixed seat device, wherein the curved needle driving device, the curved needle vertical driving device, the needle protection mechanism and the cloth feeding mechanism are accommodated therein, and the fixed seat device includes a needle plate, a fixed seat and a thread trimmer. A mechanism is provided, the fixed seat is a columnar body, the needle plate is fixed above the fixed seat, and the thread trimming mechanism is connected under the needle plate to perform a thread trimming operation. It encompasses, and the fixing seat device, characterized in that it is subjected to sewing, pillar-type high-head sewing machine. The column type high head sewing machine according to claim 1, wherein the curved needle drive device is provided with an eccentric drive shaft, a bearing, a connecting rod drive body, a connecting rod, a universal joint, an operating rod, a curved needle seat, and a curved needle.
The eccentric drive shaft is fitted to the main shaft and can be operated thereby, and the connecting rod driving body is formed into a hollow circular body, houses the bearing and is fitted to the eccentric driving shaft, and the connecting rod drive body. A recess is provided at the upper end of the connecting rod, and a connecting rod is fitted into the recess and fixed with a pin. The universal joint is attached to one end of the connecting rod, and a shaft hole is provided at the upper end of the operating rod. A circular hole is provided at the lower end, and the universal joint is passed through the circular hole at the lower end of the operating rod, thereby enabling interlocking, and the curved needle seat is passed through the shaft hole at the upper end of the operating rod, The column type high head sewing machine, wherein the curved needle is fixed to the curved needle seat with a bolt. 3. The columnar high head sewing machine according to claim 2 , wherein the curved needle vertical drive device includes a curved needle vertical drive shaft, a curved needle slide block, a curved needle connecting rod, a support seat, a support seat slide block, and a curved needle seat shaft. A support sleeve and a bush are provided,
The curved needle longitudinal drive shaft and the curved needle slide block are fitted to the main shaft, and a concave portion is provided at the lower end of the curved needle connecting rod to be fitted to the curved needle slide block. A slide groove is provided in the middle, the support seat slide block is mounted in the slide groove, and the support seat slide block is attached to the support seat with a pin, and the support seat is screwed to the fixed seat. . Further, a Y-shaped portion is provided at the upper end of the curved needle connecting rod, the bush is fixed to the Y-shaped portion with a pin, and the curved needle seat shaft is the support sleeve, the bush, the operating rod, the curved needle seat. And a column-type high head sewing machine that is passed through the support sleeve and operates integrally. The columnar high head sewing machine according to claim 1, wherein the needle protection mechanism is provided with a needle protection drive shaft, a needle protection slide block, a needle protection connecting rod, a support pin, a support seat, a needle protection seat and a needle protection portion.
The needle protection drive shaft and the needle protection slide block are fitted to the main shaft, a recess is provided at the lower end of the needle protection connecting rod, and the needle protection slide block is fitted to the needle protection slide block. It is fixed on a needle protection seat, the needle protection seat is connected to the needle protection connecting rod, a circular hole is provided in an intermediate portion of the needle protection connecting rod, and one end of the support pin is located in the middle of the needle protection connecting rod. A column type high head sewing machine characterized in that it is passed through a circular hole in a portion, the other end of the support pin is passed through the support seat, and the support seat is screwed to the fixed seat. 2. The columnar high head sewing machine according to claim 1, wherein the main cloth feed mechanism of the cloth feed mechanism includes a cloth feed dog vertical drive shaft, a main cloth feed connecting rod, a main cloth feed pin, a main cloth feed tooth seat, and a support seat. , A main cloth feed dog, a main cloth feed operation connecting rod, a main cloth feed drive arm and a cloth feed output shaft are provided,
The cloth feed dog vertical drive shaft and the main cloth feed connecting rod are fitted to the main shaft, a circular hole is provided below the main fabric feed dog seat, and also at both ends of the main fabric feed operating connecting rod. A circular hole is provided, and the main cloth feed pin is passed through the circular hole below the main cloth feed tooth seat, the circular hole at one end of the main cloth feed operation connecting rod, and the main cloth feed connecting rod, The main cloth feed tooth seat, the main cloth feed operation connecting rod and the main cloth feed connecting rod operate integrally, and a hole is provided in the middle of the main cloth feed tooth seat so that the support shaft is the main cloth feed dog. It is provided to be inserted into the support seat through the slide block, the support seat is screwed to the fixed seat, a groove is provided above the main cloth feed dog seat, and the main cloth feed dog is bolted into the groove. And the height of the main fabric feed dog is adjustable in the groove, and the circular hole at the other end of the main fabric feed operating connecting rod is pinned with the main fabric feed It is connected to the movement arm, the main cloth feed drive arm is engaged further fitted to the fabric feed output shaft, characterized by interlocking, pillar-type high-head sewing machine. 2. The columnar high head sewing machine according to claim 1, wherein the differential cloth feed mechanism of the cloth feed mechanism includes a differential cloth feed connecting rod, a differential cloth feed pin, a differential cloth feed tooth seat, and a differential cloth feed slide. A block, a differential cloth feed dog, a differential first operation connecting rod, a differential second operation connecting rod, a differential cloth feed driving arm, an adjusting arm and an adjusting shaft;
The differential cloth feed connecting rod is fitted to the main shaft, a circular hole is provided below the differential cloth feed tooth seat, and a circular hole is also provided at both ends of the differential first operating connecting rod. The differential cloth feed pin is passed through a circular hole below the differential cloth feed tooth seat, a circular hole at one end of the first differential operation connecting rod, and the differential cloth feed connecting rod, The differential cloth feed tooth seat, the differential first actuating connecting rod and the differential cloth feed connecting rod are interlocked, and circular holes are provided at both ends of the differential second actuating connecting rod. A slide guide block is provided at the lower end of the cloth feed drive arm, and a pin connects the slide guide block with the circular hole of the differential second operating connecting rod and the other circular hole of the differential first operating connecting rod. The differential cloth feed driving arm is further fitted to and interlocked with the cloth feed output shaft, and the other circular hole of the differential second operating connecting rod is pinned with the adjusting arm. In addition, one end of the adjustment arm is further connected to the adjustment shaft so as to be adjustable, and a rail groove is provided above the differential cloth feed dog seat. The height of the differential feed dog is adjustable in the rail groove, and a hole is provided in the middle of the differential feed dog seat so that the support shaft is differential. A column type high head sewing machine characterized in that it is passed through a cloth feed slide block to form a fulcrum and used for interlocking.

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