CN108035082B - Automatic bobbin changing device and automatic bobbin changing method - Google Patents
Automatic bobbin changing device and automatic bobbin changing method Download PDFInfo
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- CN108035082B CN108035082B CN201810059625.3A CN201810059625A CN108035082B CN 108035082 B CN108035082 B CN 108035082B CN 201810059625 A CN201810059625 A CN 201810059625A CN 108035082 B CN108035082 B CN 108035082B
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- shuttle
- driving piece
- buckle
- feeding bin
- controls
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B59/00—Applications of bobbin-winding or -changing devices; Indicating or control devices associated therewith
- D05B59/04—Devices for changing the bobbin
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B59/00—Applications of bobbin-winding or -changing devices; Indicating or control devices associated therewith
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05D—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
- D05D2207/00—Use of special elements
- D05D2207/02—Pneumatic or hydraulic devices
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05D—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
- D05D2305/00—Operations on the work before or after sewing
- D05D2305/32—Measuring
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- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention relates to the field of auxiliary sewing equipment and discloses an automatic shuttle peg changing device, which comprises a fixed box body, wherein a first driving piece parallel to the axis of a rotating shuttle is arranged in the fixed box body, and a feeding bin for placing a standby shuttle shell is arranged on the first driving piece; the feeding bin is provided with a movable buckle for clamping the shuttle shell, and the movable buckle is connected with a second driving piece for driving the movable buckle; the feeding bin is provided with a fixed buckle matched with the movable buckle, the fixed buckle is connected with a third driving piece for driving the fixed buckle to move, and the driving direction of the third driving piece is a vertical direction; the upper end of the feeding bin is provided with a shuttle row connected with a third driving piece, the lower surface of the shuttle row is provided with a plurality of clamping grooves for clamping a standby shuttle shell, and the side surface of the feeding bin is provided with a fourth driving piece for driving the shuttle row to horizontally move. Through the mutual cooperation of four driving pieces, movable buckles, fixed buckles, shuttle rows and feeding bins, the device can realize automatic replacement of shuttle cores, omits manual replacement, and accordingly improves sewing efficiency.
Description
Technical Field
The invention relates to the field of auxiliary sewing equipment, in particular to an automatic bobbin changing device and an automatic bobbin changing method.
Background
A sewing machine is a machine that interweaves or sews one or more layers of stitching material by forming one or more stitches on the stitching material with one or more stitching threads. The sewing machine can sew cotton, hemp, silk, wool, artificial fiber and other fabrics, leather, plastic, paper and other products, and the sewn stitch is neat, beautiful, flat, firm, fast in sewing speed and simple and convenient to use.
When the sewing machine is used for sewing fabric, the rotating shuttle and the needle of the sewing machine are matched with each other to interweave and interlock the bottom thread and the surface thread on the fabric, so that a stitch is formed. The rotating shuttle comprises a shuttle core which is accommodated in a shuttle shell, and the bottom thread is wound on a winding post of the shuttle core. Generally, the upper thread is wound on the thread cylinder, so the upper thread is longer; the length of the bottom thread wound on the bobbin winding post is very limited, so that the bottom thread on the bobbin winding post is used up at intervals in the uninterrupted working process of the sewing machine, and operators are required to frequently wind the bottom thread on the bobbin winding post of the bobbin and replace the empty bobbin, thereby reducing the sewing efficiency.
Disclosure of Invention
The invention aims to provide an automatic bobbin changing device which has the advantage of high sewing efficiency.
The technical aim of the invention is realized by the following technical scheme: an automatic shuttle peg replacing device comprises a fixed box body, wherein a first driving piece parallel to the axis of a rotating shuttle is arranged in the fixed box body, a feeding bin is arranged on the first driving piece, and a standby shuttle shell is arranged in the feeding bin;
a movable buckle for clamping the shuttle shell is arranged on one side of the feeding bin, which faces the end part of the rotating shuttle, and the movable buckle is connected with a second driving piece for driving the movable buckle;
the other side of the feeding bin, which faces the end part of the rotating shuttle, is provided with a fixed buckle matched with the movable buckle, the fixed buckle is connected with a third driving piece for driving the fixed buckle to move, and the driving direction of the third driving piece is a vertical direction;
the upper end of the feeding bin is provided with a shuttle row connected with a third driving piece, the lower surface of the shuttle row is provided with a plurality of clamping grooves for clamping a standby shuttle shell, and the side surface of the feeding bin is provided with a fourth driving piece for driving the shuttle row to horizontally move.
By adopting the technical scheme, the first driving piece controls the horizontal movement of the feeding bin and controls the feeding bin to be close to or far away from the rotating shuttle, so that the shuttle shell in the rotating shuttle is taken out or the standby shuttle shell is arranged in the rotating shuttle. The second driving piece controls the movable buckle to move, the third driving piece controls the fixed buckle to move, and the movable buckle and the fixed buckle are matched to clamp the shuttle shell, so that the shuttle shell in the rotating shuttle can be taken out. The third driving piece controls the lifting or pressing of the shuttle row, and the fourth driving piece controls the forward and backward movement of the shuttle row.
When the shuttle shell is replaced, the first driving piece controls the feeding bin to advance, and the movable buckle and the fixed buckle extend into the rotating shuttle; the second driving piece and the third driving piece respectively control the movement of the movable buckle and the fixed buckle, and the movable buckle and the fixed buckle take out the shuttle shell in the rotating shuttle; the first driving piece controls the feeding bin to retreat, the second driving piece and the third driving piece respectively control the movable buckle and the fixed buckle to move, the movable buckle and the fixed buckle are loosened, and the shuttle shell falls into the fixed box body; the third driving piece controls the shuttle row to ascend, the fourth driving piece controls the shuttle row to move backwards, the shuttle row moves backwards by a distance equal to the width of the shuttle shell, the third driving piece controls the shuttle row to press downwards, the shuttle row compresses the standby shuttle shell, and the standby shuttle shell at the end part is positioned at the outer side of the shuttle row; the first driving piece controls the feeding bin to advance, the feeding bin moves to the rotating shuttle, the fourth driving piece controls the shuttle row to advance, and the shuttle row pushes the standby shuttle shell at the end part into the rotating shuttle; the first driving piece controls the feeding bin to retreat, the device resets, and replacement of the shuttle shell is completed. Through the mutual cooperation of four driving pieces, movable buckles, fixed buckles, shuttle rows and feeding bins, the device can realize automatic replacement of shuttle cores, omits manual replacement and improves sewing efficiency.
The invention is further provided with: the first driving piece is a double-rod sliding table cylinder and comprises a sliding rail and a sliding seat; the feeding bin is fixed on the sliding seat;
the second driving piece is a square cylinder, and the square cylinder is connected with the feeding bin;
the fourth driving piece is a three-rod air cylinder which is connected with the side wall of the feeding bin;
the third driving piece is a double-rod air cylinder, the double-rod air cylinder is connected with the output shaft of the three-rod air cylinder, and the shuttle row is connected with the output shaft of the double-rod air cylinder.
By adopting the technical scheme, the double-rod sliding table cylinder controls the feeding bin to linearly move back and forth, so that the structure is simple and the control is stable; the shuttle row is connected with the three-rod air cylinder through the double-rod air cylinder, and the three-rod air cylinder drives the double-rod air cylinder to move back and forth so as to drive the shuttle row and the fixing buckle to move back and forth. The cylinder is used as a driving piece, so that the structure is simple, and the control is stable.
The invention is further provided with: the square cylinder is connected with the feeding bin through the mounting seat, a movable groove in the horizontal direction is formed in the mounting seat, the movable buckle is inserted into the movable groove, one end of the movable buckle is hinged to the mounting seat and connected with the mounting seat, the output shaft of the square cylinder is abutted to the other end of the movable buckle, and a reset spring is arranged between the movable buckle and the square cylinder.
By adopting the technical scheme, the output shaft of the square cylinder extends out to push the movable buckle to rotate, and the end part of the movable buckle moves towards the direction of the shuttle shell, so that the shuttle shell is clamped; the output shaft of the square cylinder is retracted, and the return spring pulls the movable buckle to return. Through reset spring's setting, the activity buckle can realize automatic re-setting, and square cylinder's output shaft is direct contradicts with the activity buckle, simple structure, convenient to use.
The invention is further provided with: the end part of the output shaft of the square cylinder is hemispherical.
Through adopting above-mentioned technical scheme, the tip of square cylinder's output shaft is direct contradicts with movable buckle, and when square cylinder promoted movable buckle rotated, square cylinder's output shaft was followed the outside of movable buckle and is slided, and square cylinder's output shaft's tip is established to the hemisphere, reduces frictional force, conveniently slides.
The invention is further provided with: the output shaft of the double-rod cylinder is connected with a limiting block, a limiting groove which is obliquely arranged is formed in the limiting block, and a fixing pin which is vertically connected with the fixing buckle is arranged in the limiting groove; the fixed buckle is obliquely arranged, and the oblique direction of the fixed buckle is opposite to the oblique direction of the limit groove;
the double-rod cylinder is fixedly provided with a fixed clamping seat, the fixed clamping seat is provided with a sliding groove which is obliquely arranged, the fixed clamping buckle is slidably connected in the sliding groove, and when an output shaft of the double-rod cylinder extends out, the fixed clamping buckle moves upwards.
Through adopting above-mentioned technical scheme, the output shaft of dual pole cylinder rises and drives stopper upward movement, and the spacing groove slope sets up, and the stopper promotes the fixed pin slope and reciprocates, and fixed buckle moves up along with the slope. When the fixed buckle slides upwards, the fixed buckle slides in the sliding groove, and the sliding groove limits the movement direction of the fixed buckle, so that the deviation of the movement direction of the fixed buckle is prevented. The double-rod air cylinder controls the movement of the fixed buckle through the obliquely arranged limiting groove and the fixing pin, so that the fixed buckle is controlled to grasp the shuttle shell. Simple structure and convenient control.
The invention is further provided with: the end part of the fixed buckle, which faces the standby shuttle shell, is provided with a step surface for blocking the extension of the shuttle shell.
Through adopting above-mentioned technical scheme, when the output shaft of dual pole cylinder descends, the tip of fixed buckle moves downwards, and the step face just is to the terminal surface of reserve bobbin case, shelters from reserve bobbin case, prevents that reserve bobbin case from dropping from the feeding storehouse.
The invention is further provided with: the end face of the fixed buckle, facing the standby shuttle shell, is an arc surface attached to the outer ring of the shuttle shell.
Through adopting above-mentioned technical scheme, when fixed buckle stretches into in the rotating shuttle and snatchs the shuttle shell, the circular arc of fixed buckle snatchs the outer lane of shuttle shell, and area of contact is great, increases the grabbing force.
The invention is further provided with: the bottom of the fixed box body is provided with a recovery bin, and the bottom of the recovery bin is obliquely arranged.
Through adopting above-mentioned technical scheme, after movable buckle and fixed buckle take out the shuttle shell in the rotating shuttle, movable buckle and fixed buckle loosen the shuttle shell, and the shuttle shell drops in retrieving the storehouse, and the shuttle shell rolls along retrieving the bottom in storehouse. The arrangement of the recycling bin is convenient for collecting the used shuttle shells.
The invention is further provided with: and a laser detector for detecting the shuttle shell is arranged on the feeding bin.
By adopting the technical scheme, when the spare bobbin case in the feeding bin is used up and no bobbin case exists in the rotating shuttle, the laser detector alarms to remind operators of adding the bobbin case when the laser detector can not detect the bobbin case.
Another object of the present invention is to provide an automatic bobbin changing method which has the advantage of high sewing efficiency.
The technical aim of the invention is realized by the following technical scheme: an automatic bobbin changing method comprises the automatic bobbin changing device;
s1, a first driving piece controls a feeding bin to retreat, a third driving piece controls a shuttle row to press downwards, and the shuttle row compresses a standby shuttle shell;
s2, the third driving piece controls the retraction of the fixed buckle,
the first driving piece controls the feeding bin to advance, the movable buckle and the fixed buckle extend into the rotating shuttle,
the third driving piece controls the fixed buckle to extend out, the second driving piece controls the movable buckle to extend out, and the fixed buckle and the movable buckle clamp the shuttle shell in the rotating shuttle;
s3, the first driving piece controls the feeding bin to retreat,
the second driving piece controls the movable buckle to retract, the third driving piece controls the fixed buckle to retract, the fixed buckle and the movable buckle loosen the shuttle shell, and the shuttle shell falls into the fixed box body;
s4, the third driving piece controls the shuttle row to ascend, the fourth driving piece controls the shuttle row to move backwards, and the shuttle row moves backwards for a length of one thickness of the shuttle shell;
s5, the third driving piece controls the shuttle row to descend, the shuttle row presses the standby shuttle shell, and a standby shuttle shell is left at the end part of the shuttle row;
s6, a first driving piece controls the feeding bin to advance, and the feeding bin moves to the rotating shuttle;
s7, a fourth driving piece controls the shuttle row to advance, and the shuttle row pushes the standby shuttle shell at the end part into the rotating shuttle;
s8, the first driving piece controls the feeding bin to retreat, the third driving piece controls the shuttle row to press downwards, and the shuttle row presses the standby shuttle shell.
Through adopting above-mentioned technical scheme, through four driving pieces, movable buckle, fixed buckle, shuttle peg and feeding storehouse's mutually supporting, can realize automatic change shuttle peg, save the inconvenience of manual replacement, improve sewing efficiency.
In summary, the invention has the following beneficial effects:
1. through the mutual matching of the four driving pieces, the movable buckles, the fixed buckles, the shuttle row and the feeding bin, the device can realize automatic replacement of the shuttle core, save manual replacement and improve sewing efficiency;
2. through the setting of retrieving the storehouse, the bobbin case drops to retrieving in the storehouse, and the bobbin case rolls along retrieving the bottom of storehouse, is convenient for collect the bobbin case that uses up.
Drawings
FIG. 1 is a schematic overall structure of a first embodiment;
FIG. 2 is a schematic diagram showing the connection between the feeding bin and the square cylinder in the first embodiment;
FIG. 3 is a schematic diagram showing the connection of the feeding bin and the three-rod cylinder in the first embodiment;
fig. 4 is an enlarged schematic view of the portion a in fig. 3.
In the figure: 1. fixing the box body; 11. a double-rod sliding table cylinder; 111. a slide rail; 112. a slide; 12. a square cylinder; 13. a double-rod cylinder; 131. a limiting block; 1311. a limit groove; 132. a fixing clamping seat; 1321. a sliding groove; 14. a three-rod cylinder; 2. a feeding bin; 21. a mounting base; 211. a movable groove; 22. a return spring; 3. a movable buckle; 4. a fixing buckle; 41. a fixing pin; 42. a step surface; 43. an arc surface; 5. a shuttle row; 51. a clamping groove; 52. a shuttle seat; 6. a recycling bin; 7. a laser detector; 8. and (5) standby shuttle shells.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Embodiment one:
an automatic shuttle peg replacing device, as shown in figure 1, comprises a fixed box body 1, wherein first, second, third and fourth driving parts are arranged in the fixed box body 1, a feeding bin 2 is connected to the first driving part, and a standby shuttle shell 8 is arranged in the feeding bin 2 and used for replacing the shuttle shell in a rotating shuttle. The bottom of the fixed box body 1 is provided with a recovery bin 6, the bottom of the recovery bin 6 is obliquely arranged, and a shuttle shell in the rotating shuttle is taken out and then placed in the recovery bin 6 for centralized collection and taking out. The feeding bin 2 is provided with a laser detector 7 for detecting the bobbin case. When the spare bobbin case 8 in the feeding bin 2 is used up and no bobbin case is arranged in the rotating shuttle, the laser detector 7 alarms when the laser detector 7 cannot detect the bobbin case, and the operator is reminded to pay attention to adding the spare bobbin case 8.
As shown in fig. 1, the first driving member controls the feeding bin 2 to move linearly back and forth, preferably, the first driving member is a dual-rod sliding table cylinder 11, and comprises a sliding rail 111 and a sliding seat 112, wherein the sliding rail 111 is fixed at the bottom of the fixed box body 1, and the feeding bin 2 is arranged on the sliding seat 112. The sliding rail 111 is parallel to the axis of the rotating shuttle, and the feeding bin 2 slides along the sliding rail 111 along with the sliding seat 112 to be close to or far away from the feeding bin 2.
As shown in fig. 1, a movable buckle 3 for clamping the shuttle shell is arranged on one side of the feeding bin 2, which faces the end part of the rotating shuttle, and the second driving piece controls the movable buckle 3 to move. Preferably, the second driving member is a square cylinder 12.
As shown in fig. 1, a mounting seat 21 is fixed on the side wall of the feeding bin 2, and a square cylinder 12 is fixedly connected with the mounting seat 21. The movable groove 211 horizontally arranged is formed in the mounting seat 21, the movable buckle 3 is inserted into the movable groove 211, one end of the movable buckle 3 is hinged with the mounting seat 21, and the movable buckle 3 can horizontally rotate. One end of the square cylinder 12 is abutted against the movable buckle 3. The output shaft of the square cylinder 12 stretches out to push the movable buckle 3 to rotate, and the end part of the movable buckle 3 presses the shuttle shell, so that the shuttle shell is clamped.
As shown in fig. 2, a return spring 22 is arranged between the square cylinder 12 and the movable buckle 3, and when the output shaft of the square cylinder 12 extends out, the return spring 22 is in an extending state. When the output shaft of the square cylinder 12 is retracted, the return spring 22 pulls the movable buckle 3 to return. The movable buckle 3 is connected with the mounting seat 21 in a hinged mode, the output shaft of the square cylinder 12 moves linearly, and when the output shaft of the square cylinder 12 is hinged with the movable buckle 3, the structure is complex and the connection is troublesome. The output shaft of the square cylinder 12 directly collides with the movable buckle 3 to push the movable buckle 3 to rotate, and the square cylinder is reset through the reset spring 22, so that the square cylinder is simple in structure and convenient to use.
As shown in fig. 2, the end of the output shaft of the square cylinder 12 is preferably provided with a hemispherical shape. The end of the output shaft of the square cylinder 12 directly collides with the movable buckle 3, when the square cylinder 12 pushes the movable buckle 3 to rotate, the output shaft of the square cylinder 12 slides along the outer side of the movable buckle 3, and the end of the output shaft of the square cylinder 12 is hemispherical, so that friction force is reduced, and the square cylinder is convenient to slide.
As shown in fig. 3, the other side of the feeding bin 2 facing the end of the rotating shuttle is provided with a fixed buckle 4 for clamping the shuttle shell, and the third driving piece controls the fixed buckle 4 to move. The movable buckle 3 and the fixed buckle 4 are matched to clamp the shuttle shell. Preferably, the third driving member is a double rod cylinder 13, with a double rod air rod arranged vertically.
As shown in fig. 3, a fixed clamping seat 132 is fixed on the double-rod cylinder 13, a sliding groove 1321 is formed on the fixed clamping seat 132, and a fixed buckle 4 is slidably connected in the sliding groove 1321. The fixing clip seat 132 supports the fixing clip 4.
As shown in fig. 3, a limiting block 131 is fixed on the output shaft of the double-rod cylinder 13, and a limiting groove 1311 is formed in the limiting block 131 in an inclined manner, wherein the inclination direction of the limiting groove 1311 is opposite to that of the sliding groove 1321. The sliding groove 1321 is provided therein with a fixing pin 41, and the fixing pin 41 is vertically fixedly connected to the fixing buckle 4.
As shown in fig. 3, when the output shaft of the double-rod cylinder 13 is lifted, the stopper 131 pushes the fixing pin 41 to move obliquely upward, and the moving direction is parallel to the oblique direction of the fixing buckle 4. The fixing pin 41 drives the fixing buckle 4 to move obliquely upwards, and the fixing buckle 4 is far away from the bobbin case.
As shown in fig. 3, when the output shaft of the double-rod cylinder 13 descends, the fixed buckle 4 moves obliquely downwards to be matched with the movable buckle 3, so that the bobbin case is clamped. The double rod cylinder 13 controls the movement of the fixing buckle 4 through the obliquely arranged limit groove 1311 and the fixing pin 41, thereby controlling the fixing buckle 4 to grasp the bobbin case. Simple structure and convenient control.
As shown in fig. 3, preferably, the end surface of the fixing buckle 4 facing the standby bobbin case 8 is an arc surface 43 jointed with the outer ring of the bobbin case. When the fixed buckle 4 clamps the shuttle shell, the arc surface 43 is attached to the outer ring of the shuttle shell, so that the contact area is increased, the clamping force is increased, and the clamping effect is ensured.
As shown in fig. 3 and 4, the end of the securing catch 4 facing the reserve bobbin case 8 is preferably provided with a step surface 42 for blocking the extension of the bobbin case. When the output shaft of the double-rod air cylinder 13 descends, the end part of the fixed buckle 4 moves downwards, the step surface 42 faces the end surface of the standby bobbin case 8, the standby bobbin case 8 is shielded, and the standby bobbin case 8 is prevented from falling from the feeding bin 2.
As shown in fig. 3, the upper end of the feeding bin 2 is provided with a shuttle row 5, and the lower surface of the shuttle row 5 is provided with a plurality of clamping grooves 51 for clamping the standby shuttle shell 8. The output shaft of the double-rod cylinder 13 is fixed with a shuttle seat 52, and the shuttle row 5 is connected with the shuttle seat 52 through bolts. When the output shaft of the double-rod cylinder 13 rises, the shuttle row 5 is lifted, and when the output shaft of the double-rod cylinder 13 falls, the shuttle row 5 falls. The shuttle row 5 is connected with the shuttle seat 52 through bolts, so that the disassembly and the assembly are convenient.
As shown in fig. 3, the double-rod cylinder 13 is connected with a fourth driving member, the fourth driving member controls the double-rod cylinder 13 to move back and forth, and the fourth driving member controls the moving direction of the double-rod cylinder 13 to be parallel to the moving direction of the feeding bin 2. After the double rod cylinder 13 controls the lifting of the shuttle 5, the shuttle 5 is separated from the standby bobbin case 8, and the fourth driving member controls the backward movement of the shuttle 5, the shuttle 5 moves backward by the length of one bobbin case thickness. The output shaft of the double rod cylinder 13 descends, the shuttle 5 is connected with the standby shuttle shell 8 in a pressing way, at the moment, a standby shuttle shell 8 is reserved at the end part of the shuttle 5, the fourth driving piece controls the shuttle 5 to advance, and the shuttle 5 pushes the standby shuttle shell 8.
As shown in fig. 3, a fourth drive member is provided on the side of the feed bin 2, preferably a three-bar cylinder 14. The double rod cylinder 13 is connected with the output shaft of the three rod cylinder 14.
In the specific implementation process, a double-rod sliding table cylinder 11 controls the feeding bin 2 to advance, and a movable buckle 3 and a fixed buckle 4 extend into the rotating shuttle; the output shaft of the double-rod air cylinder 13 ascends to control the retraction of the fixed buckle 4, the output shaft of the square air cylinder 12 extends out to control the movable buckle 3 to clamp the bobbin case, the output shaft of the double-rod air cylinder 13 descends to control the extension of the fixed buckle 4, and the circular arc surface 43 clamps the bobbin case; the double-rod sliding table cylinder 11 controls the feeding bin 2 to retreat, and the movable buckle 3 and the fixed buckle 4 take out the shuttle shell in the rotating shuttle; the square cylinder 12 and the double-rod cylinder 13 respectively control the movable buckle 3 and the fixed buckle 4 to be loosened, and the shuttle shell falls into the recovery bin 6; the double-rod air cylinder 13 controls the shuttle row 5 to ascend, the three-rod air cylinder 14 controls the shuttle row 5 to move backwards, the shuttle row 5 moves backwards by a distance equal to the width of the shuttle shell, the double-rod air cylinder 13 controls the shuttle row 5 to press down, the shuttle row 5 presses down the standby shuttle shell 8, and the end part of the standby shuttle shell 8 is reserved on the outer side of the shuttle row 5; the double-rod sliding table cylinder 11 controls the feeding bin 2 to advance, the feeding bin 2 moves to the rotating shuttle, the three-rod cylinder 14 controls the shuttle row 5 to advance, and the shuttle row 5 pushes the standby shuttle shell 8 at the end part into the rotating shuttle; the double-rod sliding table cylinder 11 controls the feeding bin 2 to retreat, the device resets, and replacement of the shuttle shell is completed. The device can realize automatic replacement of the shuttle peg, omits manual replacement and improves sewing efficiency.
Embodiment two:
an automatic bobbin changing method comprises an automatic bobbin changing device in the first embodiment,
s1, a double-rod sliding table cylinder 11 controls a feeding bin 2 to retreat, a double-rod cylinder 13 controls a shuttle row 5 to press downwards, and the shuttle row 5 compresses a standby shuttle shell 8;
s2, the double-rod air cylinder 13 controls the fixed buckle 4 to retract,
the double-rod sliding table cylinder 11 controls the feeding bin 2 to advance, the movable buckle 3 and the fixed buckle 4 extend into the rotating shuttle,
the double-rod air cylinder 13 controls the fixed buckle 4 to extend out, the square air cylinder 12 controls the movable buckle 3 to extend out, and the fixed buckle 4 and the movable buckle 3 clamp a shuttle shell in the rotating shuttle;
s3, a double-rod sliding table cylinder 11 controls the feeding bin 2 to retreat,
the square cylinder 12 controls the movable buckle 3 to retract, the double-rod cylinder 13 controls the fixed buckle 4 to retract, the fixed buckle 4 and the movable buckle 3 loosen the shuttle shell, and the shuttle shell falls into the fixed box body 1;
s4, a double-rod cylinder 13 controls the shuttle row 5 to ascend, a three-rod cylinder 14 controls the shuttle row 5 to move backwards, and the shuttle row 5 moves backwards for a length of one thickness of a shuttle shell;
s5, controlling the shuttle row 5 to descend by the double-rod air cylinder 13, pressing the spare shuttle shell 8 by the shuttle row 5, and leaving a spare shuttle shell 8 at the end part of the shuttle row 5;
s6, a double-rod sliding table cylinder 11 controls the feeding bin 2 to advance, and the feeding bin 2 moves to the rotating shuttle;
s7, a three-rod cylinder 14 controls the shuttle row 5 to advance, and the shuttle row 5 pushes the standby shuttle shell 8 at the end part into the rotating shuttle;
s8, controlling the feeding bin 2 to retreat by the double-rod sliding table cylinder 11, controlling the shuttle row 5 to press downwards by the double-rod cylinder 13, and pressing the spare shuttle shell 8 by the shuttle row 5.
The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.
Claims (7)
1. An automatic shuttle peg changing device comprises a fixed box body (1), and is characterized in that: a first driving piece parallel to the axis of the rotating shuttle is arranged in the fixed box body (1), a feeding bin (2) is arranged on the first driving piece, and a standby shuttle shell (8) is arranged in the feeding bin (2); the bottom of the fixed box body (1) is provided with a recovery bin (6), and the bottom of the recovery bin (6) is obliquely arranged;
a movable buckle (3) for clamping the shuttle shell is arranged on one side of the feeding bin (2) facing the end part of the rotating shuttle, and the movable buckle (3) is connected with a second driving piece for driving the movable buckle (3) to move;
the feeding bin (2) is provided with a fixed buckle (4) matched with the movable buckle (3) towards the other side of the end part of the rotating shuttle, the fixed buckle (4) is connected with a third driving piece for driving the fixed buckle (4) to move, and the driving direction of the third driving piece is a vertical direction; the end face of the fixed buckle (4) facing the standby shuttle shell (8) is an arc surface (43) attached to the outer ring of the shuttle shell;
the upper end of the feeding bin (2) is provided with a shuttle row (5) connected with a third driving piece, the lower surface of the shuttle row (5) is provided with a plurality of clamping grooves (51) for clamping a standby shuttle shell (8), and the side surface of the feeding bin (2) is provided with a fourth driving piece for driving the shuttle row (5) to horizontally move;
the first driving piece is a double-rod sliding table cylinder (11) and comprises a sliding rail (111) and a sliding seat (112); the feeding bin (2) is fixed on the sliding seat (112);
the second driving piece is a square air cylinder (12), and the square air cylinder (12) is connected with the feeding bin (2);
the fourth driving piece is a three-rod air cylinder (14), and the three-rod air cylinder (14) is connected with the side wall of the feeding bin (2);
the third driving piece is a double-rod air cylinder (13), the double-rod air cylinder (13) is connected with an output shaft of the three-rod air cylinder (14), and the shuttle bank (5) is connected with an output shaft of the double-rod air cylinder (13);
the first driving piece controls the feeding bin (2) to move back and forth linearly, the double-rod air cylinder (13) is connected with the fourth driving piece, the fourth driving piece controls the double-rod air cylinder (13) to move back and forth, and the fourth driving piece controls the moving direction of the double-rod air cylinder (13) to be parallel to the moving direction of the feeding bin (2); the double-rod sliding table cylinder (11) controls the feeding bin (2) to advance, and the movable buckle (3) and the fixed buckle (4) extend into the rotating shuttle; the output shaft of the double-rod air cylinder (13) ascends to control the fixed buckle (4) to retract, the output shaft of the square air cylinder (12) stretches out to control the movable buckle (3) to clamp the shuttle shell, the output shaft of the double-rod air cylinder (13) descends to control the fixed buckle (4) to stretch out, and the arc surface (43) clamps the shuttle shell; the double-rod sliding table cylinder (11) controls the feeding bin (2) to retreat, and the movable buckle (3) and the fixed buckle (4) take out the shuttle shell in the rotating shuttle; the square cylinder (12) and the double-rod cylinder (13) respectively control the movable buckle (3) and the fixed buckle (4) to be loosened, and the shuttle shell falls into the recovery bin (6); the double-rod air cylinder (13) controls the shuttle row (5) to ascend, the three-rod air cylinder (14) controls the shuttle row (5) to move backwards, the shuttle row (5) moves backwards by a distance equal to the width of the shuttle shell, the double-rod air cylinder (13) controls the shuttle row (5) to press down, the shuttle row (5) compresses the standby shuttle shell (8), and a standby shuttle shell (8) positioned at the outer side of the shuttle row (5) is reserved at the end part; the double-rod sliding table cylinder (11) controls the feeding bin (2) to advance, the feeding bin (2) moves to the rotating shuttle, the three-rod cylinder (14) controls the shuttle row (5) to advance, and the shuttle row (5) pushes the standby shuttle shell (8) at the end part into the rotating shuttle; the double-rod sliding table cylinder (11) controls the feeding bin (2) to retreat, the device resets, and replacement of the shuttle shell is completed.
2. An automatic bobbin changing device according to claim 1, wherein: the square cylinder (12) is connected with the feeding bin (2) through the mounting seat (21), a movable groove (211) in the horizontal direction is formed in the mounting seat (21), the movable buckle (3) is inserted into the movable groove (211), one end of the movable buckle (3) is hinged to the mounting seat (21), an output shaft of the square cylinder (12) is abutted against the other end of the movable buckle (3), and a reset spring (22) is arranged between the movable buckle (3) and the square cylinder (12).
3. An automatic bobbin changing device according to claim 2, wherein: the end part of the output shaft of the square cylinder (12) is hemispherical.
4. An automatic bobbin changing device according to claim 1, wherein: the output shaft of the double-rod air cylinder (13) is connected with a limiting block (131), a limiting groove (1311) which is obliquely arranged is formed in the limiting block (131), and a fixing pin (41) which is vertically connected with the fixing buckle (4) is arranged in the limiting groove (1311); the fixed buckle (4) is obliquely arranged, and the oblique direction of the fixed buckle (4) is opposite to the oblique direction of the limit groove (1311);
fixed cassette (132) are fixed with on the double-rod cylinder (13), and slide groove (1321) that the slope set up are offered on fixed cassette (132), fixed buckle (4) sliding connection is in slide groove (1321), when the output shaft of double-rod cylinder (13) stretches out, fixed buckle (4) upward movement.
5. An automatic bobbin changing device according to claim 4, wherein: the end of the fixed buckle (4) facing the standby bobbin case (8) is provided with a step surface (42) for blocking the extension of the bobbin case.
6. An automatic bobbin changing device according to claim 1, wherein: the feeding bin (2) is provided with a laser detector (7) for detecting the shuttle shell.
7. An automatic bobbin changing method is characterized in that: an automatic bobbin changing device comprising the bobbin changing device according to any one of claims 1 to 6;
s1, a first driving piece controls the feeding bin (2) to retreat, a third driving piece controls the shuttle row (5) to press downwards, and the shuttle row (5) compresses the standby shuttle shell (8);
s2, the third driving piece controls the retraction of the fixed buckle,
the first driving piece controls the feeding bin (2) to advance, the movable buckle (3) and the fixed buckle (4) extend into the rotating shuttle,
the third driving piece controls the fixed buckle (4) to extend out, the second driving piece controls the movable buckle (3) to extend out, and the fixed buckle (4) and the movable buckle (3) clamp the shuttle shell in the rotating shuttle;
s3, the first driving piece controls the feeding bin (2) to retreat,
the second driving piece controls the movable buckle (3) to retract, the third driving piece controls the fixed buckle (4) to retract, the fixed buckle (4) and the movable buckle (3) loosen the shuttle shell, and the shuttle shell falls into the fixed box body (1);
s4, a third driving piece controls the shuttle row (5) to ascend, a fourth driving piece controls the shuttle row (5) to move backwards, and the shuttle row (5) moves backwards for a length of one thickness of a shuttle shell;
s5, the third driving piece controls the shuttle row (5) to descend, the shuttle row (5) presses the standby shuttle shell (8), and a standby shuttle shell (8) is left at the end part of the shuttle row (5);
s6, a first driving piece controls the feeding bin (2) to advance, and the feeding bin (2) moves to the rotating shuttle;
s7, a fourth driving piece controls the shuttle row (5) to advance, and the shuttle row (5) pushes the standby shuttle shell (8) at the end part into the rotating shuttle;
s8, the first driving piece controls the feeding bin (2) to retreat, the third driving piece controls the shuttle row (5) to press downwards, and the shuttle row (5) presses the standby shuttle shell (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810059625.3A CN108035082B (en) | 2018-01-22 | 2018-01-22 | Automatic bobbin changing device and automatic bobbin changing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810059625.3A CN108035082B (en) | 2018-01-22 | 2018-01-22 | Automatic bobbin changing device and automatic bobbin changing method |
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| CN108035082A CN108035082A (en) | 2018-05-15 |
| CN108035082B true CN108035082B (en) | 2023-06-23 |
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| CN110468527B (en) * | 2019-09-19 | 2024-06-07 | 福建永信数控科技股份有限公司 | Automatic facial line replacement mechanism of embroidery machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB494603A (en) * | 1937-07-01 | 1938-10-28 | Frederick Gilbert Brettell | Double lock-stitch sewing machine |
| US3096736A (en) * | 1961-03-17 | 1963-07-09 | Singer Mfg Co | Lock stitch sewing machine with bobbin replenishing means |
| US4223617A (en) * | 1979-03-02 | 1980-09-23 | Kochs Adler Ag | Looptaker arrangement in sewing devices |
| JP3521992B2 (en) * | 1995-02-20 | 2004-04-26 | ジューキ株式会社 | Automatic lower thread feeder |
| JPH09108473A (en) * | 1995-10-20 | 1997-04-28 | Juki Corp | Bobbin exchanging device |
| JP3017692B2 (en) * | 1997-02-12 | 2000-03-13 | 株式会社廣瀬製作所 | Sewing machine bite |
| JP3817042B2 (en) * | 1997-09-16 | 2006-08-30 | Ｊｕｋｉ株式会社 | Sewing machine rotary hook |
| JP4176991B2 (en) * | 1999-05-28 | 2008-11-05 | 三菱電機株式会社 | Full rotation bite |
| JP3899208B2 (en) * | 1999-07-19 | 2007-03-28 | Ｊｕｋｉ株式会社 | Sewing machine |
| CN2615170Y (en) * | 2003-03-28 | 2004-05-12 | 张祥云 | Gear pump for sewing machine |
| JP2005296300A (en) * | 2004-04-12 | 2005-10-27 | Sabun Kogyosho:Kk | Vertical rotary shuttle of sewing machine |
| CN202401250U (en) * | 2011-12-27 | 2012-08-29 | 无锡市兴达缝纫机配件有限公司 | Gear pump of sewing machine |
| CN106222901B (en) * | 2016-08-25 | 2019-03-01 | 杰克缝纫机股份有限公司 | A kind of automatic shuttle changer and method |
| CN107541868B (en) * | 2017-09-20 | 2020-03-31 | 杰克缝纫机股份有限公司 | Simple automatic bobbin replacing device and sewing equipment |
| CN207904516U (en) * | 2018-01-22 | 2018-09-25 | 无锡市兴达缝纫机配件有限公司 | A kind of automatic shuttle changing core apparatus |
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