JP3073884U - High speed hen reborn stitch industrial sewing machine with horizontal cylinder auxiliary table - Google Patents

Abstract

(57) [Summary] (with correction) [PROBLEMS] To provide a high-speed hen reborn stitch industrial sewing machine having a horizontal cylindrical auxiliary table having a horizontal cylindrical auxiliary table that extends horizontally below a needle bar. A flower gear A structure is provided inside a sewing machine 1 arm, which moves a needle bar to the left and right to produce a hen reborn stitch as the workpiece goes straight. Sewing machine 1
The structure of the auxiliary table 14 is provided below the bed and the needle bar 111, and there is a feed dog plate 141 inside the auxiliary table 14, and a feed dog 143 is provided on the head of the feed tooth plate 141. The bottom of the feed dog plate 143 is connected to the lower main shaft 12 of the bed, which is connected to the upper and lower main shafts of the sewing machine 1 so as to be simultaneously moved by a toothed belt. The arm and the swing shaft 16 are connected,
The feed dog 143 is provided on the head of the feed dog plate 141.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a structure of a horizontal cylindrical auxiliary table which is arranged below a needle bar of a sewing machine. An interlocking structure of the bobbin and the feed dog plate is provided inside, and the perforation is changed in combination with the flower gear of the sewing machine body, and the quality of the processing of the tubular, ring-shaped, and arc-shaped workpieces is changed by changing the hen ribbon stitch. This is a horizontal cylinder type auxiliary table Henri Born Stitch industrial sewing machine that has a striking feature.

[0002]

[Prior art]

 As shown in FIG. 9, the conventional industrial sewing machine is provided with a bed of sewing machine B and a flat table type auxiliary table B7 below sewing machine needle B6.

As shown in FIGS. 1 and 2, a feed dog plate B71 is provided inside an auxiliary table B7. A feed dog B72 is provided on the feed dog plate B71. One of the feed dog plates B71 is connected to the connecting rod B73 and the eccentric shaft B11 at the end of the main shaft B1 'of the bed, and the other is connected to the oscillating kettle B74. doing.

[0004] As a result, the movement of the bed main shaft B1 'is transmitted through the leather belt C, and the feed dog plate B71 performs a repetitive operation as shown in FIGS. 3 and 4 in accordance with the movement of the main shaft B1. When the feed tooth plate B71 is raised in accordance with the pressing of the presser B75 above the auxiliary table B7, the feed dog B72 and the presser B75 exert an action of pinching the workpiece D, and pinch the workpiece D tightly. At this time, the feed dog B72 moves the workpiece D to a predetermined distance in accordance with the forward and backward movement of the feed dog plate B71, and separates from the workpiece D in accordance with the lowering of the feed dog B71. The feed dog plate B71 moves back and forth again, and comes into contact with the workpiece D again when the feed dog B71 rises. The above-described repetitive operation is completed by the stitch operation of the needle bar B6.

[0005] The sewing machine B has a structure of a flower gear A inside the arm. The cog wheel A is connected to the main shaft B1 to transmit the movement of the main shaft B1, and the pallet B3 and the cog wheel A support each other and are connected to the needle stopper B5 through the connecting rod B4. When the main shaft B1 of the sewing machine B moves up and down on the needle bar B6, the cogwheel A rotates in conjunction with the horizontal shaft B2, and the ankle B3 pushes the connecting bar B4 right and left by the movement of the cogwheel A to move the needle. Move stop B5. The needle bar B6 of the sewing machine B sew the workpiece by the vertical movement, and at the same time, change the movement to the left and right to advance the workpiece, thereby producing a perforation of the hen reborn stitch.

Regarding the structure of the bobbin B8 inside the auxiliary table B7, the bobbin B8 is connected to the transmission structure B81 and rotates in accordance with the movement of the main shaft B1 '. At the same time when the needle bar B6 is lowered, the thread inside the bobbin B8 and the thread on the sewing machine needle B61 at the end of the needle bar B6 form a single line. The interlocking structure provided inside the auxiliary table B7 requires a large space, and is designed as a flatbed only for transmitting the main shaft B1 'of the bed. Judging from the form of the workpiece, the flat table-type auxiliary table could not be used for processing various uneven surfaces such as bowl-shaped knee supporters and shoes. The inability to consistently perform sewing operations on these processed products caused problems in maintaining the quality of the products, which was a cause of deterioration in performance and quality.

[0007]

[Problems to be solved by the invention]

 This is a Henry Bon stitch industrial sewing machine with a horizontal tubular auxiliary table structure extending horizontally below the needle bar of the sewing machine. An interlocking structure of the bobbin and the feed dog plate is provided inside the horizontal cylindrical auxiliary table, and the perforation changes according to the flower gear of the sewing machine body. This will provide a horizontal cylinder type Henry Bone Stitch high-speed industrial sewing machine that strengthens the workpiece and enhances product quality and function.

[0008]

[Means for Solving the Problems]

 The present invention has a horizontal cylindrical auxiliary table structure that extends straight below the needle bar of the sewing machine, and has a structure in which the bobbin is interlocked with the feed dog plate inside the horizontal cylindrical auxiliary table. By changing the perforation in combination with the flower-shaped gear of the sewing machine body, it is characterized by improving the quality of the product by processing the workpiece such as tubular, ring-shaped, bow, bag-shaped, etc. with the hen reborn stitch firmly by changing the perforation. Horizontal cylinder auxiliary table Henri Born Stitch This is a sewing machine for industrial use.

[0009] A convex wheel is provided at the end of the lower countershaft, and is set in a lateral groove at the bottom of the feed dog plate. The feed dog plate is set in a slide plate of a connecting rod set. When the lower counter shaft moves, the feed dog plate moves up and down according to the rotation of the convex wheel, and at the same time, the slide plate moves back and forth according to the arm. The feed dog plate is moved up and down by a convex wheel and a sliding plate. This is a horizontal cylinder type auxiliary table Hen reborn stitch industrial sewing machine that has a feed dog on the feed dog plate head, and the feed dog on the head feeds out the cloth when the feed dog plate moves.

[0010]

[Embodiment]

 As shown in FIGS. 5 and 6, the basic structure of the present invention is provided with a flower toothed wheel A structure inside one arm of the sewing machine. This moves the needle bar 121 left and right, producing hen reborn stitches as the workpiece goes straight.

[0011] The flower-shaped gear A is formed by combining two flower-shaped plates A1, A2 with two curved outer circles. A fixed plate A3 is placed at the center, connected to the structure of the flower-shaped gear A by a horizontal axis, and connected to the horizontal axis. The upper main shaft 12 of the sewing machine 1 is connected by a gear transmission structure. When the upper spindle 12 moves, it is transmitted to the horizontal axis through the movement flower gear A of the upper spindle 12.

Ankle stops B31 and B32 are provided at both ends of the flower gear, respectively, and both flower plates A1 and A2 of the flower gear A are supported by each other. One of the ankles B3 is connected to a connecting rod B4 and a needle bar stopper B5. When the needle bar B6 moves up and down due to the movement of the upper spindle 12 of the sewing machine 1, its flower gear A rotates in conjunction with the horizontal axis, so that the pallet B3 moves the flower gear A and the needle stopper B5 moves right and left. Move. When the needle bar B6 of the sewing machine B sew up and down, it changes to the left and right movement, and produces a change of the hen reborn stitch as the workpiece is directly fed forward and moves forward.

A structure of the auxiliary table 14 is provided under the sewing machine 1 bed and the needle bar 111, and a feed dog plate 141 is provided inside the auxiliary table 14, and a feed dog 143 is provided on the head of the feed tooth plate 141. The bottom of the feed dog plate 143 is connected to the lower spindle 12 of the bed, which is connected to the upper and lower spindles of the machine 1 by means of a toothed belt. The lower main shaft 12 moves the rocker 1812 through an eccentric wheel 1811 in the transmission structure 181, and reciprocates back and forth together with the rocker shaft 16. The feed dog plate 141 moves in conjunction with the connecting rod set 15 and the arm 152, and when the lower main shaft 12 moves, the feed tooth plate 141 passes through the swing shaft 16 which is one of the lower sub shafts 12 'in the transmission structure 181. The bobbin is similarly rotated by the lower spindle 12 through the connection of the transmission structure 181 in accordance with the operation of the presser 17 above the feed tooth plate 14 to feed the pinching cloth. The transmission structure 182 in the transmission structure 181 transmits the operation to the bobbin 18 and at the same time as the needle bar 111 falls, the thread inside the bobbin 18 and the thread below the needle bar 111 and the thread on the sewing machine needle 112 connect one line, and the workpiece D The sewing operation is performed.

FIG. 10 shows the external appearance of the horizontal cylindrical auxiliary table 14 which is located at the middle stage of the sewing machine 1 and is horizontally extended. FIG. 5 shows the rear structure, FIG. 6 shows the front structure, and FIG. 7 shows the three-dimensional view of the transmission structure. The lower main shaft moves the rocker 1812 through the eccentric wheel 1811 inside the transmission structure 181, and the power is transmitted to the rocking shaft 16 to move back and forth, and the lower sub shaft 12 ′ rotates at a specific speed through the transmission structure 182. . The end of 141 inside the auxiliary table 14 and the end of the lower countershaft 12 'in the transmission structure 181 are connected to the convex wheel 121, and there is a horizontal 142 at the bottom of the feed dog plate 141 so that the convex wheel 121 can be set. . The main body of the feed dog plate 141 is incorporated in the slide plate 151 of the connecting rod set 15, and both ends of the slide plate 151 are connected to arms 152 and 153, respectively.

The arm 152 and the swinging shaft 16 are connected as shown in FIG. 8, and when the lower counter shaft 12 ′ rotates, the feed dog plate 141 moves up and down through the rotation of the convex wheel 121, and the sliding plate 15 moves. 1 moves forward and backward through the arm 152, and the feed dog plate 141 moves up and down by the forward and backward movement in accordance with the convex wheel 121 and the sliding plate. The feed dog 143 is provided on the head of the feed dog plate 141, and when the feed dog plate 141 moves, the feed dog 143 of the head completes the feeding operation of the Henry bone stitch.

As shown in FIG. 6, a transmission structure 182 is provided inside the horizontal cylindrical auxiliary table 14 and is directly connected to the transmission structure 181 of the bed. At the end of the transmission structure 182 there is a gear set 183, in which each gear is rotationally meshed. The movement is transmitted to the bobbin shaft 184 to rotate the bobbin 18.

As shown in FIG. 11, the transmission structure 182 and the bobbin 18 are connected by using a toothed leather belt set 183 ′, and the movement is interlocked with the bobbin 18 and the transmission structure 182.

[0018]

[Effect of the invention]

 This is a Henry Bon stitch industrial sewing machine with a horizontal tubular auxiliary table structure extending horizontally below the needle bar of the sewing machine. An interlocking structure of the bobbin and the feed dog plate is provided inside the horizontal cylindrical auxiliary table, and the perforation changes according to the flower gear of the sewing machine body. This will provide a horizontal cylinder type Henry Bone Stitch high-speed industrial sewing machine that strengthens the workpiece and enhances product quality and function.

[Submission date] August 4, 2000 (200.8.4)

[Procedure amendment 3]

[Document name to be amended] Statement

[Correction target item name] 0001

[Correction method] Change

[Correction contents]

[0001]

[Technical field to which the invention belongs]

The present invention relates to a structure of a horizontal cylindrical auxiliary table which is arranged below a needle bar of a sewing machine. An interlocking structure of the bobbin and the feed dog plate is provided inside, and the perforation is changed in combination with the flower gear of the sewing machine main body. This is a Henry Born stitch industrial sewing machine equipped with a horizontal cylinder-type auxiliary table with a striking feature.

[Brief description of the drawings]

FIG. 1 is a perspective view of a rear side structure of a conventional flower gear structure sewing machine.

FIG. 2 is a perspective view of a left side structure of a conventional flower gear structure.

FIG. 3 is a perspective view of a conventional flatbed type auxiliary table internal feed dog plate structure.

FIG. 4 is an operation route diagram of a feed dog plate inside a conventional flatbed type auxiliary table.

FIG. 5 is a perspective view of a rear structure according to an embodiment of the present invention;

FIG. 6 is a perspective view of a front structure according to an embodiment of the present invention.

FIG. 7 is a perspective view of a transmission structure of a feed dog plate and a connecting rod set according to an embodiment of the present invention;

FIG. 8 is a perspective view showing the operation of the feed dog according to the embodiment of the present invention;

FIG. 9 is an external view of a conventional flat table type auxiliary table sewing machine.

FIG. 10 is an external perspective view according to an embodiment of the present invention.

FIG. 11 is a perspective view of a bobbin transmission structure according to an embodiment of the present invention.

[Explanation of symbols]

 A Flower-shaped gear A1 Flower-shaped plate A2 Flower-shaped plate A3 Flower-shaped fixing plate B Sewing machine B1 Main shaft B1 'Main shaft B11 Eccentric shaft B2 Horizontal shaft B3 Ankle B31 Ankle stop B32 Ankle stop B4 Connecting rod B5 Needle stop B6 Needle bar B61 Sewing needle B7 Auxiliary table B71 Feeding tooth plate B72 Feeding tooth B73 Connecting rod B74 Swing hook B75 Hold down B8 Bobbin B81 Transmission structure C Leather belt D Workpiece 1 Sewing machine 11 Upper main shaft 111 Needle bar 112 Sewing needle 12 Lower main shaft 12 'Lower auxiliary main shaft 121 Gear 13 Toothed leather belt 14 Auxiliary table 15 Connecting rod set 151 Sliding plate 152 Arm 153 Arm 16 Swing shaft 17 Holding 18 Bobbin 181 Transmission structure 1811 Eccentric wheel 1812 Swing hook 182 Transmission shaft 183 Gear set 183 'Toothed belt set 184 bobbin shaft

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[Procedure amendment]

[Submission date] August 4, 2000 (200.8.4)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Name of device

[Correction method] Change

[Correction contents]

[Name of device] High-speed hen reborn stitch industrial sewing machine with horizontal cylinder type auxiliary table

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] Claims for utility model registration

[Correction method] Change

[Correction contents]

[Utility model registration claims]

Claims (5)

[Utility model registration claims] An intermediate auxiliary table is provided at a middle stage of a sewing machine, and a lower auxiliary shaft end of a feed tooth plate end inside the auxiliary table is connected to a wheel. A horizontal cylinder type auxiliary table high-speed hen reborn with a feature that a horizontal groove and a car are aligned at the bottom of the feed dog plate, and both ends of the slide plate are connected to connecting rods, one of which is connected to the connecting rod and the swinging kettle. Stitch industrial sewing machine. 2. A transmission shaft is provided inside the horizontal cylindrical auxiliary table,
Directly connected to the transmission structure. This is a horizontal cylinder type auxiliary table high speed hen reborn stitch industrial sewing machine that has a feature that a gear is provided at the end of the transmission shaft. 3. A horizontal cylinder type auxiliary tape high-speed Lehen reborn stitch industrial sewing machine characterized by having an eccentric wheel in the transmission structure of the lower main shaft that moves in accordance with the movement of the rocker. 4. The vehicle is a high speed hen reborn stitch industrial sewing machine structure characterized by a horizontal tubular auxiliary table provided at the end of a countershaft in the transmission structure. 5. A high speed hen reborn stitch industrial sewing machine having a horizontal cylinder type auxiliary table having a structure of a leather belt and a car between an interlocking shaft and a bobbin.