JP2023087560A - Positioning method of jig and positioning program of jig - Google Patents

Abstract

To provide a positioning method of a jig and a positioning program of a jig, with which a plurality of pins can precisely be arranged in positions corresponding to a plurality of holes in a sewing object regardless of a size of the sewing object.SOLUTION: In a positioning method of a jig, a controller of a sewing unit takes in coordinate data of a plurality of pins (S21), and the controller relatively moves a head part and a support frame of the sewing unit to positions which coordinate data of a pin of interest indicates in the plurality of pins, and instructs the position of the pin of interest which the coordinate data indicates by the position of the support frame to the head part (S26). In the positioning method of the jig, an operator adjusts a support member of interest corresponding to the pin of interest in the plurality of support members to the position of the pin of interest, adjusts the position of the support member of interest to the support frame (S43), and fixes the support member of interest to the support frame (S44).SELECTED DRAWING: Figure 9

Description

The present invention relates to a jig alignment method and a jig alignment program.

A conventional sewing apparatus forms stitches by moving a holding plate that holds the sewing material relative to the sewing needle according to sewing data. The holding plate has a plurality of holes on its outer periphery. The sewing device has a plurality of pins corresponding to the plurality of holes. The sewing device aligns the holding plate by inserting the corresponding pins through the plurality of holes of the holding plate.

Japanese translation of PCT publication No. 2013-543739

The sewing device includes a support frame and a plurality of pins in place of the holding plate. In some cases, a jig is used to hold the sewn product in a stretched state and in a state of being aligned with the support frame. With this jig, when the size of the sewing material is relatively large, it is difficult to accurately arrange the pins at the positions corresponding to the holes of the sewing material.

SUMMARY OF THE INVENTION An object of the present invention is to provide a jig alignment method and a jig alignment program capable of accurately arranging a plurality of pins at positions corresponding to a plurality of holes in a sewn object regardless of the size of the sewn object. is to provide

A jig alignment method according to claim 1 of the present invention comprises a plurality of support members having upwardly projecting pins, and a support frame for fixing each of the plurality of support members in a position-adjustable manner. A method for aligning a jig for aligning an object to be sewn with respect to a support frame by inserting each of the pins through a plurality of holes formed in the object, the method comprising: a capturing step of capturing the coordinate data of the pin, and the controller moving the head portion of the sewing device and the support frame relative to the position indicated by the coordinate data of the pin of interest among the plurality of pins. an instruction step of moving and indicating the position of the pin of interest indicated by the coordinate data according to the position of the support frame relative to the head section; and an operator corresponding to the pin of interest among the plurality of support members. a fixing step of adjusting the position of the supporting member of interest with respect to the supporting frame by aligning the position of the pin of interest with the supporting member of interest, and fixing the supporting member of interest to the supporting frame; Prepare. According to the jig positioning method of claim 1, since the position of the support member relative to the support frame can be determined using the sewing device, it is possible to fit a plurality of holes in the sewing material regardless of the size of the sewing material. Multiple pins can be placed precisely at corresponding locations.

In the fetching step of the jig positioning method according to claim 2, the control device fetches the coordinate data from sewing data for forming stitches on the sewing material held by the jig after positioning. . According to the jig positioning method of claim 2, the coordinate data is taken from the sewing data for forming the stitches on the sewing material held by the jig after the positioning. The support member can be positioned with respect to the support frame based on highly reliable coordinate data. In addition, the control device can reduce the possibility of sewing based on sewing data that does not correspond to coordinate data when forming stitches on the sewing material held by the jig according to the sewing data after positioning the jig. .

In the jig alignment method according to claim 3, in the instructing step, the control device relatively moves the head section and the support frame to the position indicated by the coordinate data of the target pin, and then the sewing device. When the presser foot provided on the head portion of is lowered from the raised position to the position between the raised position and the lowered position or to the lowered position, the coordinate data indicates the position at which the pin of interest contacts the presser foot. It is indicated as the position of the pin of interest shown. According to the jig positioning method of claim 3, the position of the pin of interest indicated by the coordinate data is set to the position where the presser foot contacts the top of the pin, so that the operator can determine the position of the pin of interest indicated by the coordinate data. Easy to grasp.

In the jig alignment method according to claim 4, each of the upper ends of the plurality of pins has a tapered shape with a smaller diameter toward the upper side, and the presser foot has a diameter larger than 1.1 times the maximum diameter of the plurality of pins. The presser foot of the sewing device is lowered from the raised position in the fixing step. Sometimes, the position of the target support member with respect to the support frame is adjusted to a position where at least part of the upper end portion of the target pin fits in the hole of the presser foot, and the target support member is moved to the above position. Secure to the support frame. According to the jig positioning method of claim 4, the position of the target pin indicated by the coordinate data is adjusted by adjusting the position of the target support member with respect to the support frame to a position where the upper part of the target pin is fitted in the hole of the presser foot. It can be physically confirmed that the support member is arranged at the position of . The operator determines whether or not the support member is arranged at the position of the pin of interest indicated by the coordinate data based on whether the upper end portion of the pin of interest is at a position where the hole of the presser foot fits. The fixing step can be performed while determining the

According to a fifth aspect of the present invention, there is provided a jig alignment method comprising: an order acquisition step in which the control device acquires an order in which the pin of interest is read from the plurality of pins in the instruction step; and after the fixing step, the control device a completion instruction acquisition step of acquiring from the worker a completion instruction to perform the instruction step for the pin of interest next in the order; a moving step of moving the presser foot of the sewing device to the raised position, wherein the control device performs the indicating step for the pin of interest next in the order after the moving step. According to the method for aligning the jig according to claim 5, it is possible to reliably avoid performing the instruction step for the next target pin in the state that the presser foot is not in the raised position.

The jig alignment method according to claim 6 further comprises an order editing step in which the control device edits the order. The method for aligning jigs according to claim 6 can improve convenience for the operator as compared with the case where the order cannot be edited.

According to claim 7, there is provided a jig alignment program comprising: a plurality of support members having upwardly projecting pins; A program for aligning a jig for aligning an object to be sewn with respect to a support frame by inserting each through a plurality of holes provided in the object, the program controlling a sewing device holding the support frame. a fetching step of fetching coordinate data of a plurality of said pins into a control device; and an instruction step of instructing the position of the pin of interest indicated by the coordinate data based on the position of the support frame with respect to the head section by relative movement. The jig alignment program can instruct the control device of the sewing apparatus on the position of the support member to be observed with respect to the support frame by the position of the support frame with respect to the head portion. By looking at the position of the support frame with respect to the head portion, the operator can confirm the position of the supporting member of interest with respect to the support frame and fix the support member to the support frame. The jig alignment program allows the operator to accurately place the plurality of pins at the positions corresponding to the plurality of holes of the sewing material, regardless of the size of the sewing material.

FIG. 2 is a perspective view of the sewing device 1; 3 is a perspective view of the head section 30; FIG. FIG. 2 is a plan view of the sewing apparatus 1 in which a support frame 85 for the jig 8 is arranged at the mounting position; FIG. 2 is a plan view of the sewing apparatus 1 in which the support frame 85 of the jig 8 is arranged at the limit position P2; FIG. 3 is a perspective view of a jig 8 in which a part of a plurality of support members 140 and 150 are temporarily arranged; 2 is a block diagram showing electrical configurations of the sewing apparatus 1 and the control device 100. FIG. Flow chart of hole setting processing. FIG. 4 is an explanatory diagram showing a process of generating hole data E2 in hole setting processing; 4 is a flowchart of a method for aligning the jig 8; (A) is a perspective view showing a state in which the target pin 145 is arranged below the intermediate presser foot 64 placed at the raised position, and (B) is a perspective view showing the upper end portion 146 of the target pin 145 when the intermediate presser foot 64 has been lowered from the raised position. is a perspective view of a state in which it abuts on. (A) is a schematic cross-sectional view showing a state in which the target pin 145 is arranged below the intermediate presser foot 64 placed at the raised position; 146 is a schematic cross-sectional view in a state of contact. FIG. 8 is an explanatory view showing the process of fixing the support member 150 to the support frame 85 by the alignment method of the jig 8;

A physical configuration of the sewing apparatus 1 according to one embodiment of the present invention will be described. In the following description, left and right, front and rear, and up and down indicated by arrows in the drawings are used. As shown in FIGS. 1 to 4, the sewing device 1 is a gate-shaped sewing device, and includes a bed portion 2, mounting tables 90F and 90R, pillar portions 3 and 4, a synchronization mechanism 31 (see FIG. 6), a beam portion 5, It has a head portion 30, a hook mechanism 7 (see FIG. 2), a jig 8 (see FIG. 5), a moving mechanism 9 (see FIG. 6), a feed mechanism 10 (see FIG. 6), and an operating portion .

As shown in FIG. 1, the bed portion 2 includes a base portion 21, a mounting portion 22, openings 24 and 25, bellows 26 and 27, a frame 28, a lower rail 29 (see FIG. 2), and a pair of rails. The base 21 has a substantially rectangular parallelepiped shape. The mounting portion 22 is a plate forming the upper surface of the base portion 21 and extending parallel to the horizontal plane. An opening 23 extending in the left-right direction is formed in the mounting portion 22 . The opening 24 is formed in the front-rear direction near the left end of the mounting portion 22 . The opening 25 is formed in the front-rear direction near the right end of the mounting portion 22 . The openings 24 and 25 are portions extending in a rectangular shape in plan view between the front end and the rear end of the mounting portion 22 and opening upward. Accordions 26, 27 cover openings 24, 25, respectively. A pair of rails are provided below the bellows 26,27. The pair of rails supports the connecting portions 78 and 79 of the feed mechanism 10 so as to be movable in the front-rear direction. The frame 28 is a grid structure and supports the base 21 from below. As shown in FIG. 2, the lower rail 29 extends in the horizontal direction below the mounting portion 22. As shown in FIG. The lower rail 29 supports the hook mechanism 7 so that it can move laterally. A lower belt 94 , a lower spline shaft 34 , and a hook mechanism 7 are arranged below the mounting portion 22 of the bed portion 2 .

As shown in FIG. 1, the mounting tables 90F and 90R support a support frame 85, which will be described later, so as to be slidable in the front-rear direction. The mounting table 90</b>F is provided on the front side of the bed section 2 , and the mounting table 90</b>R is provided on the rear side of the bed section 2 . The mounting tables 90F and 90R include a frame 41A and a receiving portion 42A. The frame 41A has a lattice shape elongated in the Y direction and supports the receiving portion 42A from below. The receiving portion 42A includes a pair of left and right extending portions 96 extending in the Y direction, a pair of guide rails 95, and a plurality of rollers 39. As shown in FIG. The pair of extending portions 96 extends from the front end of the mounting table 90F to the rear end of the mounting table 90R. The pair of guide rails 95 are provided on the surfaces of the pair of extended portions 96 facing each other. A pair of guide rails 95 regulates the position of the support frame 85 in the X direction and guides it in the Y direction. A plurality of rollers 39 extend in the X direction and are arranged side by side in the Y direction between the pair of guide rails 95 . The support frame 85 slides on the plurality of rollers 39 in the Y direction.

Each of the pedestal parts 3 and 4 has a substantially quadrangular prism shape. The pedestal portion 3 extends upward from the left end portion of the bed portion 2 at substantially the center in the front-rear direction. The pedestal portion 4 extends upward from the right end portion of the bed portion 2 at substantially the center in the front-rear direction. The pedestal parts 3 and 4 are separated in the horizontal direction with the mounting part 22 therebetween. A synchronizing mechanism 31 is a mechanism for synchronously driving the needle bar mechanism 6 and the shuttle mechanism 7, and includes a main motor 32 in FIG. 6, an upper spline shaft 33 and a lower spline shaft 34 in FIG. 2, and a transmission mechanism (not shown). The main motor 32 is supported by the pedestal portion 3 . The upper spline shaft 33 and the lower spline shaft 34 extend in the left-right direction between the pillars 3 and 4 . A transmission mechanism of the synchronization mechanism 31 is housed in the pedestal portion 3 and transmits power of the main motor 32 to the upper spline shaft 33 and the lower spline shaft 34 .

As shown in FIGS. 2 and 6, the moving mechanism 9 can move the shuttle mechanism 7 and the needle bar mechanism 6 in the lateral direction parallel to the horizontal direction with respect to the material to be sewn. It has a motor 98 and a transmission mechanism. In the sewing apparatus 1 of this example, the jig 8 holds the sewing material. The X motor 98 is a pulse motor and supported by the pedestal 4 . A transmission mechanism of the moving mechanism 9 is accommodated in the pedestal portion 4 and transmits the power of the X motor 98 to the upper belt 93 and the lower belt 94 . The upper belt 93 is fixed to the rear surface of the needle bar mechanism 6 . The lower belt 94 is fixed to the rear surface of the shuttle mechanism 7. As shown in FIG. The hook mechanism 7 and the needle bar mechanism 6 move left and right in accordance with the rotation of the X motor 98 .

As shown in FIGS. 1 and 2, the beam portion 5 is installed between the pedestal portions 3 and 4 and extends in the left-right direction. The beam portion 5 supports the needle bar mechanism 6 on the rear side of the needle bar mechanism 6 so as to be movable in the left-right direction parallel to the horizontal direction. The beam portion 5 includes a housing 51 , a bellows 52 and an upper rail 53 . The housing 51 extends in the left-right direction from the upper ends and rear ends of the pillars 3 and 4, respectively. The bellows 52 are provided on the front ends of the pedestals 3 and 4 and the housing 51 and on the left and right ends of the needle bar mechanism 6, which will be described later. The upper rail 53 is rod-shaped and extends in the left-right direction, and is installed between the pedestals 3 and 4 . The upper rail 53 supports the needle bar mechanism 6 so as to be movable in the left-right direction. The housing 51 covers the upper rail 53 and the upper and rear sides of the upper spline shaft 33 of the synchronization mechanism 31 . The bellows 52 covers the upper rail 53 and the front side of the upper spline shaft 33 . The bellows 52 expands and contracts according to the lateral movement of the needle bar mechanism 6 .

The head portion 30 is provided above the mounting portion 22 and on the front side with respect to the beam portion 5 . The head portion 30 includes a needle bar mechanism 6 and an intermediate presser mechanism 122 . The needle bar mechanism 6 includes a housing 60, an upper shaft 61, a transmission mechanism 62, and a needle bar 63, and can move the needle bar 63 up and down. The housing 60 is box-shaped and accommodates the upper shaft 61 . The rear surface of the housing 60 is connected to the upper belt 93 and the housing 60 is supported by the upper rails 53 . The needle bar mechanism 6 can move laterally along the upper rail 53 in the beam portion 5 by driving the moving mechanism 9 . The upper shaft 61 extends in the left-right direction. The transmission mechanism 62 transmits the power of the upper spline shaft 33 to the upper shaft 61 . The needle bar 63 extends vertically, and a sewing needle 65 can be attached to its lower end. A needle bar 63 is connected to the upper shaft 61 and driven by the main motor 32 to move up and down.

As shown in FIGS. 2, 6 and 10, the intermediate presser mechanism 122 includes an intermediate presser bar 69, an intermediate presser motor 68, and a transmission mechanism (not shown). The intermediate presser bar 69 has an intermediate presser foot 64 at its lower end and extends vertically in parallel with the needle bar 63 . The intermediate presser foot 64 is cylindrical and has a through hole 641 through which the sewing needle 65 passes as the needle bar 63 moves up and down. suppress. At the raised position, the intermediate presser foot 64 is separated from the sewing material and is the uppermost position of the movable range of the intermediate presser foot 64 . The lowered position is the lowest position in the movable range of the intermediate presser foot 64 where the intermediate presser foot 64 contacts the sewing material. The through-hole 641 has a size that is approximately the same as the maximum diameter of the pin 145 described later or that allows a portion of the tapered tip of the pin 145 to be inserted therein. Specifically, the through hole 641 is formed to have a size not exceeding 1.1 times the maximum diameter of the pin 145 . As shown in FIG. 11(A), the intermediate presser foot 64 is attached to the intermediate presser bar 69 so that the axis M of the through hole 641 coincides with the axis M of the needle bar 63 . As shown in FIGS. 2 and 6, the intermediate presser motor 68 is a pulse motor fixed to the upper surface of the housing 60. As shown in FIG. The intermediate presser motor 68 vertically moves the intermediate presser bar 69 and vertically moves the intermediate presser foot 64 between the raised position and the lowered position. The transmission mechanism is connected to the output shaft of the intermediate presser motor 68 and the intermediate presser bar 69 to transmit the rotation of the output shaft of the intermediate presser motor 68 to the intermediate presser bar 69 .

The hook mechanism 7 is arranged below the needle bar mechanism 6 and inside the bed portion 2 . The hook mechanism 7 includes a housing 70 , a lower shaft 71 , a transmission mechanism 72 and a hook 73 . The housing 70 is box-shaped and has a throat plate 74 at its upper left end. The needle plate 74 has a needle hole 75 through which the sewing needle 65 can be inserted. Needle hole 75 is below needle bar 63 . The rear surface of the housing 70 is connected with the lower belt 94 . The lower spline shaft 34 is inserted through the housing 70 . The housing 70 is supported by the lower rails 29 . The hook mechanism 7 can move laterally along the lower rail 29 in synchronization with the needle bar mechanism 6 by driving the moving mechanism 9 . The transmission mechanism 72 transmits power of the lower spline shaft 34 to the lower shaft 71 . The shuttle 73 is connected to the lower shaft 71 and is driven by the main motor 32 to rotate in synchronism with the vertical movement of the needle bar 63 .

As shown in FIGS. 3 and 6, the feed mechanism 10 can move the jig 8 holding the sewing material back and forth relative to the head portion 30 having the needle bar mechanism 6 and the shuttle mechanism 7 . The feeding mechanism 10 includes connecting portions 78 and 79 , mounting portions 88 and 89 , holding portions 881 and 891 , and air cylinders 91 and 92 . The lower left end of the connecting portion 78 is placed on a rail in the opening 24 of the bed portion 2 . The lower right end of the connecting portion 79 is placed on the rail in the opening 25 of the bed portion 2 . The connecting portion 78 fixes the mounting portion 88 to the right front surface. The mounting portion 88 has a clamping portion 881 that can be switched between the closed state and the open state by the power of the air cylinder 91 and fixed to the lower surface thereof. The closed state in FIG. 3 is a state in which it can be held by contacting any one of pins 116 to 120 of the jig 8, which will be described later. The open state (not shown) is a state separated from any of the pins 116 to 120 of the jig 8, which will be described later. Similarly, the connecting portion 79 fixes the mounting portion 89 to the left front surface. The mounting portion 89 has a clamping portion 891 that can be switched between a closed state and an open state by the power of the air cylinder 92 and fixed to the lower surface thereof. The closed state in FIG. 3 is a state in which it can be held by contacting any of pins 111 to 115 of the jig 8, which will be described later. The open state (not shown) is a state separated from any of the pins 111 to 115 of the jig 8 which will be described later.

The feed mechanism 10 includes a Y motor 99, a transmission mechanism, and a pair of belts below the placement section 22. As shown in FIG. Y motor 99 is a pulse motor. A transmission mechanism of the feed mechanism 10 transmits the Y motor 99 to a pair of belts fixed to the connecting portions 78 and 79 . The jig 8 held by the holding portions 881 and 891 moves back and forth along the pair of rails of the bed portion 2 according to the rotation of the Y motor 99 .

The operation portion 14 is supported by the left end portion of the mounting portion 22 . The operation unit 14 includes the switch group 12 and the display unit 13 shown in FIG. The switch group 12 inputs various instructions according to the operator's operation. The display unit 13 is a liquid crystal display and can display various images.

As shown in FIG. 5, the jig 8 includes a support frame 85 and a plurality of support members 140 and 150, and holds the sewing material inside the support frame 85 while positioning the sewing material with respect to the support frame 85. . The support frame 85 includes a frame body 850, pins 111-120, and a handle 85A. The frame 850 is a rectangular metal frame elongated in the Y direction in plan view. Grooves 851 and 852 are formed in the upper surface of the frame 850 . The grooves 851 and 852 are recessed downward from the upper surface of the support frame 85 between the inner periphery and the outer periphery of the support frame 85 . The groove portion 851 is formed in a rectangular shape parallel to the inner circumference of the support frame 85 in plan view on the inner circumference side of the support frame 85 . The groove portion 852 is formed in a rectangular shape parallel to the inner circumference of the support frame 85 in plan view on the outer circumference side of the support frame 85 . The five pins 111 to 115 are provided at the right end of the support frame 85 and spaced apart from each other by a predetermined interval L in the front-rear direction. The five pins 116 to 120 are provided at the left end of the support frame 85 and are spaced apart from each other by a predetermined interval L in the Y direction. The pins 111 to 115 and the pins 116 to 120 are arranged at the same positions in the Y direction and face each other in the X direction. The pins 111 to 120 are fixed to the upper surface of the frame 850 by fixing members such as screws inserted through the grooves 851 and 852 . Pins 111 to 120 protrude above the upper surface of frame 850 . As shown in FIGS. 3 and 4, the handle 85A is provided at the left-right central position of the front end portion of the support frame 85 and the left-right central position of the rear end portion thereof. In FIG. 5, illustration of the handle 85A is omitted.

The clamping portions 881 and 891 can clamp the pin at the engagement position P1 among the pins 111-120. As shown in FIGS. 3 and 4, the engagement position P1 is a position provided on the front side of the movable range of the holding portions 881 and 891, and the holding portions 881 and 891 are connected to a pair of left and right pins of the support frame 85. 111 and 116, a pair of left and right pins 112 and 117, a pair of left and right pins 113 and 118, a pair of left and right pins 114 and 119, and a pair of left and right pins 115 and 120. position. The limit position P2 is the rearmost position where the mounting portions 88 and 89 can move rearward. The distance between the engagement position P1 and the limit position P2 is equal to the predetermined interval L, for example. During the sewing operation of the sewing device 1 , the mounting portions 88 and 89 can change the grip of the support frame 85 . “Re-grasping” means an operation in which the holding portions 881 and 891 repeatedly grip and release a pin to grip another pin.

Each of the plurality of support members 140, 150 has a pin 145 protruding upward at one end. The other end of each of the plurality of support members 140 and 150 is supported by the support frame 85 so as to be positionally adjustable. The configuration of the support members 140 and 150 will be described by taking as an example a case where the longitudinal direction of the support members 140 and 150 is the horizontal direction and the pin 145 is arranged on the right side of the support members 140 and 150 .

The support member 140 has a rectangular shape elongated in the horizontal direction in plan view, and includes a fixing portion 141 , a support portion 142 , a pin 145 , and fixing members 127 , 128 , 147 , and 148 . The fixed portion 141 extends parallel to the horizontal plane on the left side of the support member 140 . Long holes 143 and 144 that are long in the left-right direction are formed in the left portion of the fixing portion 141 . The long holes 143 and 144 are spaced apart in the front-rear direction. The formation range of the long holes 143 and 144 in the left-right direction is longer than the interval between the grooves 851 and 852 on the left side, right side, front side, and rear side of the support frame 85 .

The support portion 142 is a rectangular plate-like portion extending downward from the right end of the fixing portion 141 and then extending rightward. The upper surface of the support portion 142 is below the upper surface of the fixed portion 141 . The distance between the upper surface of the support portion 142 and the upper surface of the fixed portion 141 substantially matches the thickness of the frame body 850 of the support frame 85 . The thickness of the frame 850 is the vertical length of the frame 850 . A corner portion at the right end of the support portion 142 is chamfered. The pin 145 protrudes upward from the right front portion of the support portion 142 in a cylindrical shape. The pin 145 may protrude upward from the right rear portion of the support portion 142 in a cylindrical shape. The upper ends of the pins 145 and the upper ends 146 of the pins 145 are each tapered such that the diameter decreases toward the upper side. The maximum diameter of the pin 145 is larger than the diameter of the through hole 641 of the intermediate presser foot 64 . The upper end portion 146 of this embodiment has a hemispherical shape that is convex upward.

Fixing members 127 , 128 , 147 , 148 are used when fixing the support member 140 to the support frame 85 . The fixing members 127 and 128 are, for example, bolts having heads, and the fixing members 147 and 148 are nuts screwed together with the fixing members 127 and 128 . When fixing the support member 140 to the support frame 85 , the operator inserts the fixing member 127 inserted into one of the grooves 851 and 852 into the long hole 143 from above and engages the fixing member 147 with the lower end of the fixing member 127 . match. The operator inserts the fixing member 128 inserted into the other of the grooves 851 and 852 into the long hole 144 from above, and engages the fixing member 148 with the lower end of the fixing member 128 .

Components of the support member 150 that are the same as those of the support member 140 are given the same reference numerals. The support member 150 has a rectangular shape elongated in the horizontal direction in plan view, and includes a fixing portion 151 , an adjusting member 170 , a support portion 152 , a pin 145 , and fixing members 125 to 128 , 147 , 148 , 155 and 156 . The fixed portion 151 extends parallel to the horizontal plane on the left side of the support member 150 . As shown in FIG. 12, the support member 150 of the present embodiment has a plurality of types of different lengths of the fixing portion 151 in the left-right direction. As shown in FIG. 8, elongated holes 153 and 154 are formed in the left portion of the fixed portion 151 in the left-right direction. The long holes 153 and 154 are spaced apart in the front-rear direction. The formation range of the long holes 153 and 154 in the left-right direction is longer than the interval between the grooves 851 and 852 on the left and right sides of the support frame 85 . A pair of front and rear through holes (not shown) are provided in the right portion of the fixing portion 151 . At least one of these through holes is formed as an elongated hole elongated in the front-rear direction.

The supporting portion 152 is formed separately from the fixing portion 151 and is fixed to the fixing portion 151 by fixing members 125 , 126 , 155 , 156 so that the lateral position and the angle thereof can be adjusted with respect to the fixing portion 151 . The fixing members 125 and 126 are, for example, bolts having heads, and the fixing members 155 and 156 are nuts that are screwed together with the fixing members 125 and 126 . The support portion 152 includes a fixing portion 157 and a support portion 158 . The fixed portion 157 extends parallel to the horizontal plane on the left side of the support portion 152 . Long holes 159 and 160 that are long in the left-right direction are formed in the left portion of the fixing portion 157 . The long holes 159, 160 are spaced apart in the front-rear direction. When the support portion 152 is positioned and fixed to the fixing portion 151, the operator places the fixing member 125 and the fixing member 125 into the hole on the right side of the fixing portion 151 from above in a posture in which the heads of the fixing members 125 and 126 are arranged upward. , 126. The operator engages the fixing members 155, 156 after inserting the fixing members 125, 126 through the slots 159, 160, respectively. The support portion 158 is a rectangular plate-like portion extending downward from the right end of the fixing portion 157 and then extending rightward. The upper surface of the support portion 158 is below the upper surface of the fixed portion 157 . The distance between the upper surface of the support portion 158 and the upper surface of the fixed portion 157 substantially matches the thickness of the frame body 850 of the support frame 85 . A corner portion at the right end of the support portion 158 is chamfered. A pin 145 similar to the support member 140 projects upward from the right rear portion of the support portion 158 in a cylindrical shape. The pin 145 may protrude upward from the right front portion of the support portion 158 in a cylindrical shape. An upper end portion 146 of the pin 145 has a hemispherical shape that is convex upward.

The adjustment member 170 is provided to eliminate wobble in the front-rear direction when the support member 150 is fixed to the support frame 85 . The adjusting member 170 has the same plate thickness as the support portion 152, so that the height of the support portion 158 when fixed to the support frame 85 is the same as the height of the support portion 142. , the pins 145 of the support member 140 and the support member 150 are arranged on the same horizontal plane. The adjustment member 170 has a rectangular plate shape elongated in the front-rear direction in a plan view. The adjustment member 170 is formed with an elongated hole 171 extending in the front-rear direction. The formation range of the long hole 171 is larger than the distance between the long holes 153 and 154 .

Fixing members 127 , 128 , 147 , 148 similar to support member 140 are used to fix support member 150 to support frame 85 . When fixing the support member 150 to the support frame 85, the operator inserts the fixing member 127 inserted into one of the grooves 851 and 852 into the long hole 171 of the adjusting member 170 and the long hole 143 of the fixing portion 151 from above. , the fixing member 147 is engaged with the lower end of the fixing member 127 . The operator inserts the fixing member 128 inserted into the other of the grooves 851 and 852 into the long hole 171 of the adjusting member 170 and the long hole 144 of the fixing part 151 from above, and the fixing member 148 is engaged with the lower end of the fixing member 128 . match.

The electrical configuration of the sewing device 1 and the control device 100 of the sewing device 1 will be described with reference to FIG. The control section 15 of the sewing apparatus 1 has a CPU 16, a ROM 17, a RAM 18, a storage device 19, a communication I/F 11, an input/output interface (I/O) 20, drive circuits 41-47, and the like. The CPU 16 centrally controls the operation of the sewing apparatus 1 . The ROM 17 pre-stores programs and the like for executing various processes. The RAM 18 temporarily stores various information generated during execution of various processes. The storage device 19 is non-volatile and stores various setting values. The communication I/F 11 communicates with the communication I/F 105 of the control device 100 by wire or wirelessly.

Each drive circuit 41-47, encoders 55-58 and switch group 12 are connected to I/O20. The drive circuit 41 is connected to the main motor 32 of the synchronizing mechanism 31 and drives the main motor 32 according to control commands from the CPU 16 . The drive circuit 42 is connected to the X motor 98 of the moving mechanism 9 and drives the X motor 98 according to control commands from the CPU 16 . The drive circuit 43 is connected to the Y motor 99 of the feeding mechanism 10 and drives the Y motor 99 according to control commands from the CPU 16 . The drive circuit 44 is connected to the air cylinder 91 of the holding portion 881 and drives the air cylinder 91 according to a control command from the CPU 16 . The drive circuit 45 is connected to the air cylinder 92 of the holding portion 891 and drives the air cylinder 92 according to a control command from the CPU 16 . The drive circuit 46 is connected to the intermediate presser motor 68 and drives the intermediate presser motor 68 according to control commands from the CPU 16 . The drive circuit 47 is connected to the display section 13 and displays various information on the display section 13 according to control commands from the CPU 16 .

The encoder 55 detects the rotational position and rotational speed of the output shaft of the main motor 32 and inputs the detection result to the I/O20. The detection result of encoder 55 indicates the vertical positions of needle bar 63 and sewing needle 65 . The encoder 56 detects the rotation direction, rotation position and rotation speed of the output shaft of the X motor 98 and inputs the detection results to the I/O 20 . The detection result of encoder 56 indicates the lateral positions of needle bar mechanism 6 and shuttle mechanism 7 . The encoder 57 detects the rotation direction, rotation position and rotation speed of the output shaft of the Y motor 99 and inputs the detection results to the I/O 20 . The detection result of the encoder 57 indicates the front and rear positions of the jig 8 . The encoder 58 detects the rotational direction, rotational position and rotational speed of the output shaft of the intermediate presser motor 68 and inputs the detection results to the I/O 20 . The detection result of the encoder 58 indicates the vertical position of the intermediate presser foot 64 . The switch group 12 detects various instructions and inputs the detection results to the I/O 20 .

The control device 100 is a general-purpose information processing device such as a personal computer. The control device 100 includes a CPU 101 , a ROM 102 , a RAM 103 , a storage device 104 , a communication I/F 105 and an input/output interface (I/O) 107 . The CPU 101 controls the control device 100 . CPU 101 is electrically connected to ROM 102 , RAM 103 , storage device 104 , communication I/F 105 and I/O 107 via bus 106 .

ROM 102 stores a boot program, BIOS, and the like. RAM 103 stores temporary data. The storage device 104 is a nonvolatile storage device that stores various setting values. The communication I/F 105 communicates with the communication I/F 11 of the sewing apparatus 1 by wire or wirelessly. The I/O 107 is connected to the display section 108 and the input section 109 . An input unit 109 includes a mouse, keyboard, etc., and inputs various instructions.

The hole setting process executed by the control device 100 will be described with reference to FIG. 7 using the specific example shown in FIG. The hole setting process is a process of setting the positions of a plurality of holes to be formed in the seam allowance of the sewing material based on the sewing data. The plurality of holes are used when positioning the sewn material with respect to the support frame 85 based on the sewing data. When starting the hole setting process, the operator operates the input unit 109 to set a plurality of holes based on new sewing data or to update the data for setting a plurality of holes based on the sewing data. is input to the control device 100. For example, when the operator wants to add or omit pins 145, or when he wants to change the position or number of holes, etc., he inputs an instruction to update the data. When the control device 100 detects a start instruction via the input unit 109, the program for executing the hole setting process is read from the storage device 104 to the RAM 103 and executed.

In FIG. 8, in order to simplify the explanation, the structure of the support frame 85 and the like is schematically illustrated. The pins at the right end of the support frame 85 are three pins 111, 112 and 113 in order from the front end side, and the pins at the left end portion of the support frame 85 are three pins 116, 117 and 118 in order from the front end side. .

As shown in FIG. 7, the CPU 101 determines whether to start processing for setting a plurality of holes based on new sewing data (S1). When the start instruction includes an instruction to set a plurality of holes based on new sewing data (S1: YES), the CPU 101 acquires sewing data (S2). The sewing data includes coordinate data representing the positions of needle drop points for forming stitches on the material to be sewn. The coordinate data is represented by a sewing coordinate system that drives the X motor 98 and the Y motor 99 . As shown in FIG. 8A, the CPU 101 sets a seam line L2 outside a predetermined distance D1 from the stitch forming position L1 specified based on the sewing data (S3). The distance D1 may be set by the operator, or may be automatically set by the CPU 101 according to the type of sewing data, the material, size, thickness, etc. of the material to be sewn. The distance D1 does not have to be a constant value, for example, it may be different between the straight portion and the curved portion.

The CPU 101 determines the size of the jig support frame 85 based on the size of the sewing material specified by the seam allowance (S4). The sewing device 1 of the present embodiment can mount a plurality of types of support frames 85 having different lengths in the X direction and different lengths in the Y direction. The CPU 101 determines the support frame 85 in which the sewing material indicated by the seam allowance set in S3 fits inside the support frame 85 from among the plurality of types of support frames 85 . In a specific example, a support frame 85 having pins 111 to 113 and 116 to 118 shown in FIG. 8B is determined.

As shown in FIG. 8B, the CPU 101 sets the arrangement of the sewing material with respect to the support frame 85 determined in S4 (S5). The arrangement of the sewing material with respect to the support frame 85 may be set by the operator, or the arrangement conditions stored in advance, the size of the sewing material with respect to the support frame 85, the length of the usable support member, the sewing material, etc. may be set. The CPU 101 may automatically set the thickness according to the material, size, thickness, and the like. For example, the CPU 101 selects an arrangement condition from left alignment, center alignment, and right alignment in the X direction. Left alignment is a condition in which the horizontal center of the sewing material is arranged to the left of the horizontal center of the support frame 85 . Center alignment is a condition for arranging the center of the sewing material in the left-right direction at the center of the support frame 85 in the left-right direction. The right alignment is a condition in which the center of the sewing material in the left-right direction is arranged to the right of the center of the support frame 85 in the left-right direction. Similarly, the CPU 101 selects an arrangement condition in the Y direction from front alignment, center alignment, and rear alignment.

The CPU 101 acquires hole setting conditions (S6). The hole setting conditions define conditions for arranging a plurality of holes. The hole setting conditions include, for example, the distance between adjacent holes, the size of the holes, the distance from the stitches, and the like. Different hole setting conditions may be set according to the shape of the stitch. For example, the interval between a plurality of adjacent holes may be set such that the portion where the straight stitches are formed is longer than the portion where the curved stitches are formed. The hole setting condition may include a condition that the pins 111 to 113 and 116 to 118 of the support frame 85 are not arranged in the portion where the distance between the hole and the support frame 85 is the shortest. The hole setting conditions may include conditions for setting a plurality of holes so that the plurality of support members 140 and 150 can be fixed to the support frame 85 without intersecting each other.

As shown in FIG. 8C, the CPU 101 sets a plurality of holes H1 to H22 in the seam allowance based on the hole setting conditions acquired in S6 (S7). The number and arrangement of the plurality of holes H1 to H22 may be instructed by the operator by operating the input unit 109. FIG. The CPU 101 generates coordinate data indicating the center positions of the plurality of holes as the positions of the holes. Coordinate data is expressed in a sewing coordinate system.

The CPU 101 sets the order of the plurality of holes set in S7 (S8). The order is the order of fixing the support members 140 and 150 to the support frame 85 according to the holes when aligning the jig 8, which will be described later. The order may be set by the operator, or may be automatically set by the CPU 101 in consideration of workability during alignment. For example, the CPU 101 determines the order so that the number of movements of the support frame 85 and the number of times of re-gripping are reduced when performing re-gripping processing of the support frame 85 in the positioning method described later. Based on the size of the support frame 85 and the predetermined interval L of the sewing apparatus 1, the CPU 101 determines whether or not to perform the gripping process. It may be determined that replacement processing is to be performed. When one worker aligns the jig 8, the CPU 101 determines the order clockwise or counterclockwise along the outline of the seam allowance in order to reduce the movement of the worker. When two workers work on the right side and the left side of the sewing machine 1, the CPU 101 determines the pins 145 of the support members 140 and 150 fixed to the right side of the support frame 85 within the contour of the sewing object. The order of the holes to be inserted and the holes to be inserted into the pins 145 of the support members 140 and 150 fixed to the left side are set alternately. The CPU 101 may receive work conditions for alignment from the operator and automatically set the order according to the received work conditions. In the specific example of FIG. 8(C), the order is set counterclockwise from the left rear hole H1.

The CPU 101 stores the hole data E2 including the coordinate data generated in S7 and the order set in S8 in association with the sewing data E acquired in S2 (S9). Through S9, the sewing data E comprises stitch data E1 and hole data E2 for forming stitches. The CPU 101 may store the sewing data, the seam allowance, the type of the support frame 85, and the placement of the sewing object with respect to the support frame 85 in association with the sewing data. The CPU 101 may generate cutting data for cutting the sewn material along the perimeter of the seam allowance and forming a plurality of holes in the seam allowance.

If the start instruction includes an instruction to update the data in which a plurality of holes are set based on the sewing data (S1: NO), the CPU 101 reads the sewing data already associated with the plurality of holes specified by the operator. (S11). Based on the read sewing data, the CPU 101 displays the stitch formation position L1, the seam allowance, the positions of the plurality of holes, and the like on the display unit 108 (S12).

The CPU 101 determines whether the change condition has been acquired (S13). After confirming the image displayed on the display unit 108, the operator inputs change conditions when changing the coordinate data. For example, when an operator adds a hole, changes including the position of the hole to be added, whether or not to change the arrangement of the plurality of holes that have already been set, and whether or not to reset the order in accordance with the addition of the hole. Enter your conditions. For example, when a worker deletes a hole, the operator can make changes including the position of the hole to be deleted, whether or not to change the arrangement of the plurality of holes that have already been set, and whether or not to reset the order. Enter your conditions.

When the CPU 101 acquires the change condition (S13: YES), it changes the coordinate data according to the acquired change condition (S14). The CPU 101 determines whether or not an end instruction to end changing the coordinate data has been acquired (S15). The operator inputs an end instruction when finishing changing the coordinate data. If the change condition is not acquired (S13: NO) or if the end instruction is not acquired (S15: NO), the CPU 101 returns the process to S12. If the end instruction is acquired (S15: YES), the CPU 101 updates the coordinate data of the sewing data read out in S11 according to the coordinate data changed in S14 (S16). After S9 or S16, the CPU 101 ends the hole setting process.

9 to 12, a method of aligning the jig 8 between the sewing apparatus 1 and the operator will be described using the specific examples of FIGS. 8 and 12. FIG. In a specific example, a case will be described in which support members selected from the support member 140 and a plurality of types of support members 150 having fixed portions 151 with different lengths are used as the plurality of support members 140 and 150 . The jig 8 alignment method is performed with the sewing needle 65 removed from the needle bar 63 .

When starting positioning of the jig 8 using the sewing apparatus 1, the operator operates the switch group 12 to input a start instruction including information designating the sewing data E in FIG. (S41). When the sewing machine 1 detects a start instruction through the switch group 12, the program for executing the alignment process is read from the storage device 19 to the RAM 18 and executed.

The CPU 16 takes in the sewing data E specified by the start instruction (S21). The sewing data E includes stitch data E1 for forming stitches on the sewing material held by the jig 8 after positioning. The CPU 16 uses the hole data E<b>2 in the sewing data E as coordinate data of the plurality of pins 145 . The CPU 16 displays the type of the support frame 85 included in the sewing data E on the display unit 13, and prompts the user to place the support frame 85 at the mounting position shown in FIG. 3 on the placement unit 22 (S22). The mounting position is the engagement position P1 for the rearmost pins 113 and 118 among the pins 111-113 and 116-118. The CPU 16 waits until the support frame 85 is attached (S23: NO). The operator places the support frame 85 displayed on the display unit 13 at the mounting position on the placement unit 22, operates the switch group 12, and removes the plurality of pins 111 to 113 and 116 to 118 of the support frame 85. A mounting instruction is input to clamp the pins 113 and 118 located at the rearmost position between the clamping portions 881 and 891 (S42). When the mounting instruction is detected (S23: YES), the CPU 16 drives the air cylinder 91 to cause the clamping portion 881 to clamp the pin 118, and drives the air cylinder 92 to clamp the pin 113 to the clamping portion 891.

The CPU 16 sets 1 to a variable N for sequentially reading the coordinate data of the hole data E2 included in the sewing data E acquired in S21 (S24). The CPU 16 acquires the N-th coordinate data from the hole data E2 (S25). The Nth coordinate data indicates the position of the target pin 145 among the plurality of pins 145 . The CPU 16 drives the X motor 98 and the Y motor 99 to relatively move the head section 30 and the support frame 85 to the position of the attention pin 145 indicated by the Nth coordinate data (S26). In S26, the CPU 16 relatively moves the head portion 30 and the support frame 85 of the sewing apparatus 1 to the position indicated by the coordinate data of the pin 145 of interest among the plurality of pins 145, thereby adjusting the support frame 85 with respect to the head portion 30. Based on the position, the operator is instructed the position of the target pin 145 indicated by the coordinate data. After relatively moving the head portion 30 and the support frame 85 to the position indicated by the coordinate data of the target pin 145, the CPU 16 of the present embodiment lowers the intermediate presser foot 64 provided on the head portion 30 of the sewing apparatus 1 from the raised position. At this time, the position where the target pin 145 contacts the intermediate presser foot 64 is specified as the position of the target pin 145 indicated by the coordinate data. The CPU 16 displays on the display section 13 that the movement has been completed (S27). The CPU 16 displays available support members so that the operator can easily select a support member fixed to the support frame 85 from a plurality of types of support members 140 and 150 so that the attention pin 145 is arranged at the indicated position. or the distance between the support frame 85 and the attention pin 145 may be displayed on the display unit 13 . The CPU 16 may display the side of the support frame 85 to which the support member to be used is fixed on the display unit 13 . Hereinafter, the support member selected by the operator from the plurality of support members 140 and 150 will be referred to as a target support member. In the following description, it is assumed that the support member 140 is selected as the target support member.

After confirming on the display unit 13 that the movement of the support frame 85 relative to the head unit 30 is completed, the operator indicates the position of the target pin 145 of the target support member 140 by the position of the support frame 85 relative to the head unit 30. Adjust to the position (S43). More specifically, as shown in FIGS. 10(A) and 11(A), the operator positions the pin 145 of the support member 140 below the intermediate presser foot 64 and the needle bar 63. The support member 140 is arranged at a position where the long holes 143 and 144 are arranged over the grooves 851 and 852 of the support frame 85 . The operator adjusts the orientation of the support member 140 with respect to the support frame 85 as necessary. As shown in FIGS. 10(B) and 11(B), the operator checks whether or not the adjustment of the position of the support member 140 of interest with respect to the support frame 85 is completed by turning the intermediate presser foot 64 from the upper position to the lower position. It is confirmed by manually moving and confirming whether or not a part of the upper end side of the upper end portion 146 of the target pin 145 is inserted into the through hole 641 of the intermediate presser foot 64 . When the position of the target support member 140 relative to the support frame 85 is appropriately adjusted, a portion of the hemispherical upper end portion 146 of the target pin 145 is inserted into the through hole 641 of the intermediate presser foot 64 from below. Since the maximum diameter of the pin 145 of this embodiment is larger than the through hole 641 of the intermediate presser foot 64, the intermediate presser foot 64 contacts the upper end portion 146 of the pin 145 at the contact position above the lowered position. At this time, the axis M of the through-hole 641 and the axis C of the target pin 145 coincide. The operator may temporarily fix the target support member 140 to the support frame 85 before manually lowering the intermediate presser foot 64 from the upper position toward the lower position. When the support member of interest is the support member 150, the operator appropriately adjusts the position and angle of the support portion 152 with respect to the fixed portion 151, and performs S43.

After confirming that the position of the support member of interest 140 relative to the support frame 85 has been properly adjusted, the operator fixes the support member of interest 140 to the support frame 85 using fixing members 127 , 128 , 147 , and 148 . (S44). In S44, the operator moves the support frame 85 to a position where the upper end portion 146 of the target pin 145 is partially fitted in the through hole 641 of the intermediate presser foot 64 when the intermediate presser foot 64 is lowered from the raised position. By adjusting the position of the support member 140 of interest with respect to , the support member 140 of interest is fixed to the support frame 85 . As shown in FIG. 12A, when the variable N is 1, the support member of interest 140 is fixed to the left side of the support frame 85 . The operator operates the switch group 12 to input a completion instruction indicating that the work of fixing the target support member 140 to the support frame 85 is completed (S45).

The CPU 16 determines whether the N-th coordinate data is the last coordinate data included in the hole data E2 (S28). If the N-th coordinate data is not the last coordinate data (S28: NO), the CPU 16 determines whether a completion instruction has been obtained via the switch group 12 (S29). When the completion instruction is not acquired (S29: NO), the CPU 16 waits until the completion instruction is acquired. When the CPU 16 acquires the completion instruction (S29: YES), it drives the intermediate presser motor 68 to move the intermediate presser foot 64 to the raised position (S30). The CPU 16 increments the variable N by 1 (S32).

The CPU 16 determines whether or not to execute the re-gripping process (S33). When the hole data E2 includes re-grip instructions for performing re-grip processing, the CPU 16 determines whether or not to execute the re-grip processing based on whether or not the re-grip instructions are included. If the hole data E2 does not include a re-grasping instruction to perform the re-grasping process, but the N-th coordinate data is on the front side of the movable area inside the support frame 85, the CPU 16 determines to execute the re-grasping process, When the N-th coordinate data is within the movable area inside the support frame 85, the CPU 16 determines not to execute the re-gripping process. If the gripping instruction is to be executed (S33: YES), the CPU 16 performs a known gripping process (S34).

In the support frame 85 of the specific example, from a state in which the holding portions 881 and 891 hold the pair of pins 113 and 118 located at the rearmost position, the pair of pins 112 and 117 adjacent to the front of the pair of pins 113 and 118 are moved. In the re-grasping process when changing to the pinching state, the CPU 16 sets the feed direction to the rear and the return direction to the front. The CPU 16 drives the Y motor 99 to move the mounting portions 88 and 89 to the limit position P2. The CPU 16 drives the air cylinders 91 and 92 to switch the clamping portions 881 and 891 from the held state to the released state. The CPU 16 controls the Y motor 99 to move the mounting portions 88 and 89 in the return direction by a predetermined distance L. As shown in FIG. The CPU 16 drives the air cylinders 91 and 92 to switch the clamping portions 881 and 891 from the released state to the held state, and among the pins 111 to 113 and 116 to 118 of the jig 8, the set of pins 113 released from the held state, Next to 118, a pair of pins 112, 117 located in the return direction are clamped.

If the re-gripping process is not to be executed (S33: NO), or after S34, the CPU 16 returns the process to S25 and performs the process related to the next coordinate data. If the N-th left table data is the last coordinate data (S28: YES), the CPU 16 displays a message on the display unit 13 indicating that the alignment of the jig 8 has been completed (S31). End the process. In a specific example, according to the alignment method of the jig 8, for example, the support member of interest in the hole H1 with the order 1 is set as the support member 140, and the support members of interest in the holes H2 to H22 with the order 2 to 22 are the support members. As 150 , a plurality of support members 140 and 150 are fixed in order to the support frame 85 . As shown in FIG. 12B, by executing the jig 8 alignment method, each of the plurality of support members 140 and 150 has the pin 145 arranged at the position indicated by the coordinate data of the hole data E2. It is fixed to the support frame 85 in the posture to be held.

The operator drives the sewing apparatus 1 to perform repair according to the stitch data E1 of the sewing data E in order to check whether the support members 140 and 150 are fixed at positions overlapping the stitch forming position L1. The tool 8 and the head portion 30 may be moved relative to each other. If the support members 140 and 150 are positioned below the needle bar 63, the CPU 16 of the sewing apparatus 1 reads the coordinate data corresponding to the support members 140 and 150 from the hole data E2, S27, S43, S44, and S45 may be executed again. When fixing the target support member 150 to the support frame 85, if it interferes with the already fixed support members 140 and 150, the CPU 16 of the sewing apparatus 1 reads out the coordinate data regarding the already fixed support members 140 and 150, and performs step S26. , S27, S43, S44, and S45 may be executed again.

When the jig 8 is used for sewing, the operator operates the sewing apparatus 1 to release the holding portions 881 and 891, and then moves the jig 8 to a predetermined working position. 8, the work of attaching the material to be sewn is carried out. The working position is, for example, on the mounting table 90F. The operator sequentially inserts the corresponding pin 145 into each of the plurality of holes H1 to H22 of the sewing material. If a preferred insertion order for displaying the plurality of holes H1 to H22 of the sewing object on the corresponding pins 145 is determined, the sewing apparatus 1 may display the insertion order on the display section 13 . After completing the task of mounting the sewing material on the jig 8, the operator places the jig 8 at the mounting position and operates the switch group 12 to input an instruction to start sewing. The sewing apparatus 1 drives the main motor 32, the X motor 98, the Y motor 99, and the intermediate presser motor 68 based on the stitch data E1 of the sewing data E fetched in S21 to form stitches on the material to be sewn.

In the above embodiment, the sewing device 1, the jig 8, the head portion 30, the intermediate presser foot 64, the support frame 85, the pin 145, the upper end portion 146, and the support member 150 are the sewing device, jig, and head of the present invention, respectively. It is an example of a part, an intermediate presser foot, a support frame, a pin, an upper end part, and a support member. The CPU 16 and the control device 100 are an example of the control device of the sewing apparatus of the present invention. S21 is an example of an acquisition step and an order acquisition step of the present invention. S26 is an example of the instruction step of the present invention. S43 and S44 are examples of the fixing step of the present invention. S29 is an example of the completion instruction acquisition step of the present invention. S30 is an example of the moving step of the present invention. S8 and S14 are examples of order editing steps of the present invention.

In the method of aligning the jig 8 according to the above-described embodiment, the sewing machine 1 is used to insert the plurality of pins 145 through the plurality of holes H1 to H22 provided in the sewing object, so that the jig 8 is aligned with the support frame 85. A jig 8 for positioning the sewing material is assembled. The jig 8 includes a plurality of support members 140 and 150 having pins 145 protruding upward, and a support frame 85 that fixes each of the plurality of support members 140 and 150 so that their positions can be adjusted. The alignment method for the jig 8 includes a fetching step (S21), an indicating step (S26), and a fixing step (S43, S44). In the fetching process, the CPU 16 of the sewing apparatus 1 fetches the coordinate data of the plurality of pins 145 (S21). In the instructing step, the CPU 16 of the sewing device 1 relatively moves the head portion 30 and the support frame 85 of the sewing device 1 to the position indicated by the coordinate data of the target pin 145 among the plurality of pins 145 . The position of the target pin 145 indicated by the coordinate data is indicated by the position of the support frame 85 with respect to (S26). In the fixing step, the operator adjusts the position of the target support member 140 with respect to the support frame 85 by aligning the target support member 140 corresponding to the target pin 145 among the plurality of support members 140 and 150 with the target pin 145 . (S43), and the target support member 140 is fixed to the support frame 85 (S44). The same applies to the fixing process when the support member 150 of the plurality of support members 140 and 150 is the target support member. Therefore, the positioning method of the jig 8 can determine the position of the support member 150 with respect to the support frame 85 using the sewing apparatus 1. Therefore, even when the sewing material is relatively large, a plurality of sewing materials can be sewn. A plurality of pins 145 can be accurately arranged at positions corresponding to the holes H1 to H22. The pin 145 is provided at one longitudinal end of the support member 140 , and the elongated holes 143 and 144 are formed at the other longitudinal end of the support member 140 . The support frame 85 fixes the other end of the support member 140 so that the position can be adjusted. Therefore, in the support member 140, the distance from the support frame 85 to the pin 145 is greater than in the case where the pin 145 is provided at a portion other than one end of the support member 140, and the length of the support member 140 in the longitudinal direction can be shortened. Support member 150 is similar to support member 140 .

In the fetching step, the CPU 16 fetches coordinate data from the sewing data E for forming stitches on the sewing material held by the jig 8 after alignment (S21). Therefore, in the method of aligning the jig 8, the coordinate data is taken in from the sewing data E for forming the stitches on the material to be sewn held by the jig 8 after alignment, so the coordinate data and the sewing data E are separate. It is possible to align the support member 150 with respect to the support frame 85 based on coordinate data with higher reliability than in some cases. In addition, when the CPU 16 performs processing for forming stitches on the sewing material held by the jig 8 according to the sewing data E after positioning the jig 8, the CPU 16 may sew based on the sewing data E that does not correspond to the coordinate data. can be reduced.

In the instruction step, the CPU 16 relatively moves the head portion 30 and the support frame 85 to the position indicated by the coordinate data of the target pin 145, and then moves the intermediate presser foot 64 provided on the head portion 30 of the sewing apparatus 1 from the raised position to the raised position. , or the position at which the pin 145 of interest contacts the intermediate presser foot 64 when it is lowered to the lowered position, as the position of the pin of interest 145 indicated by the coordinate data (S26). The jig 8 is positioned so that the position where the intermediate presser foot 64 comes into contact with the pin 145 is the position of the target pin 145 indicated by the coordinate data, so that the operator can grasp the position of the target pin 145 indicated by the coordinate data. Cheap.

Each of the upper end portions 146 of the plurality of pins 145 has a tapered shape with a smaller diameter toward the upper side. The intermediate presser foot 64 has a cylindrical shape having holes H1 to H22 smaller than 1.1 times the maximum diameter of the plurality of pins 145 and having a size that allows at least part of the upper end portion 146 of the target pin 145 to be inserted. is. In the fixing step, when the intermediate presser foot 64 of the sewing device 1 is lowered from the raised position, the support frame 85 is positioned so that at least a part of the upper end portion 146 of the target pin 145 fits into the holes H1 to H22 of the intermediate presser foot 64. By adjusting the position of the target support member 140 with respect to , the target support member 140 is fixed to the support frame 85 (S43, S44). The jig 8 is positioned by adjusting the position of the target support member 140 with respect to the support frame 85 to a position where the upper part of the target pin 145 fits into the through hole 641 of the intermediate presser foot 64, thereby adjusting the target position indicated by the coordinate data. It can be physically confirmed that the support member 150 is arranged at the position of the pin 145 . Based on whether or not the upper end portion 146 of the target pin 145 is at a position where a part of the upper end portion 146 of the target pin 145 is fitted in the through hole 641 of the intermediate presser foot 64, the operator determines whether the support member 150 is at the position of the target pin 145 indicated by the coordinate data. The fixing step can be performed while determining whether or not it is in place. Also, since the through hole 641 of the intermediate presser foot 64 is not too large for the pin 145, there is no room for the pin 145 to be displaced when the pin 145 is fitted in the through hole 641. Therefore, when the intermediate presser foot 64 is lowered, the pin 145 is held by the through hole 641 of the intermediate presser foot 64 . can maintain an accurate position without shifting, improving workability.

The jig 8 alignment method includes an order acquisition step (S21), a completion instruction acquisition step (S29), and a movement step (S30). In the order obtaining step, the CPU 16 obtains the order in which the target pin 145 is read from the plurality of pins 145 in the instruction step. In the completion instruction obtaining step, after the fixing step, the CPU 16 obtains from the operator a completion instruction to perform the instruction step for the target pin 145 that is next in order (S29). In the moving step, when the completion instruction is obtained in the completion instruction obtaining step, the CPU 16 moves the intermediate presser foot 64 of the sewing device 1 to the raised position (S30). The CPU 16 performs the instruction step for the target pin 145 next in order after the movement step. Therefore, the intermediate presser foot 64 does not move and continues to indicate the correct pin position until the operator completes the fixing operation of the support members 140 and 150 having the target pin 145. Therefore, the position of the pin 145 can be determined more accurately. can be placed.

The CPU 16 has an order editing process for editing the order (S8, S14). The alignment method of the jig 8 can improve convenience for the operator compared to the case where the order cannot be edited.

The present invention can be modified in various ways in addition to the above embodiments. The control device 100 is a desktop PC terminal, but may be a tablet terminal, a smart phone, or a dedicated terminal for the sewing apparatus 1 . In the above embodiment, the control device 100 is a part of the control device of the sewing device of the present invention, but the control section 15 of the sewing device 1 may function as the control device of the present invention. The sewing device 1 may be a gate-shaped sewing device, and for example, the holding portions 881 and 891 of the mounting portions 88 and 89 may be changed as appropriate. The plurality of rollers 39 of the receiving portion 42A of the mounting tables 90F and 90R may be made of a resin plate having a smooth surface. The shape of the intermediate presser foot 64 may be changed as appropriate, and the diameter of the through hole 641 may be 1.1 times or more the maximum diameter of the pin 145 . The sewing apparatus 1 may use a jig attached to the lower end of the needle bar 63 instead of the intermediate presser foot 64 to indicate the position of the attention pin 145 . The jig may, for example, be cylindrical with a hole similar to that of the intermediate presser foot 64 .

The shape, size, configuration, etc. of the support frame 85 and the support members 140 and 150 may be changed as appropriate. The number, shape, arrangement, etc. of the pins 111 to 120 on both left and right sides of the support frame 85 may be changed as appropriate. The support frame 85 may not have the pins 111 to 120 and the handle 85A. One or more kinds of support members 140 and 150 may be used. The shape, arrangement, size, etc. of the pins 145 of the support members 140 and 150 may be changed as appropriate. The pin 145 may have a polygonal prism shape, and the upper end portion 146 may have a polygonal pyramid shape or a conical shape. Upper end 146 need not be tapered. The method of fixing the support members 140 and 150 to the support frame 85 may be changed as appropriate. The method of fixing the fixing portion 151 and the support portion 152 of the support member 150 may be changed as appropriate. For example, the method of positioning the jig 8 is such that even if the through hole on the right side of the fixing portion 151 is not elongated, the diameter of the bolts, which are the fixing members 125 and 126, should be larger than the through hole of the fixing portion 151. By assembling with a small one, it is possible to assemble the fixing portion 151 and the support portion 152 with an angle as in the above embodiment. Further, the fastening method other than the bolt and nut may be used to fasten the fixing portion 151 and the support portion 152 together. For example, the method of fixing the fixing portion 151 and the support portion 152 may be a fastening method using bolts and tapped holes.

A program for processing by the sewing apparatus 1 or the control device 100 may be stored in the storage device 19 of the sewing device 1 or the storage device 104 of the control device 100 before the CPU 16, 101 executes the program. Therefore, the program acquisition method, acquisition route, and device for storing the program may be changed as appropriate. Programs executed by the CPUs 16 and 101 may be received from other devices via cable or wireless communication and stored in a storage device such as a flash memory. Other devices include, for example, PCs and servers connected via a network.

Some or all of the processing performed by the sewing apparatus 1 or the control device 100 may be performed by an electronic device (for example, an ASIC) other than the CPUs 16 and 101 . The processing performed by the sewing apparatus 1 or the control device 100 may be distributed to a plurality of electronic devices (for example, a plurality of CPUs). Each step of the processing performed by the sewing device 1 or the control device 100 can be changed in order, omitted, or added as necessary. The scope of the present invention also includes a mode in which an operating system (OS) or the like running on the sewing apparatus 1 or the control apparatus 100 performs part or all of each process according to commands from the CPUs 16 and 101 . For example, the following modifications may be added to the above embodiment as appropriate.

The sewing device 1 may be incapable of executing the re-holding process. In the sewing apparatus 1, a laser pointer projection device that illuminates the needle drop position is attached to the lower end of the needle bar 63, and the position of the target pin 145 may be indicated by the projected position of the projection device in the instruction step. In the fixing step, it is not necessary to move the intermediate presser foot 64 of the sewing device 1 from the raised position to the lowered position. After moving the intermediate presser foot 64 of the sewing device 1 from the raised position to the lowered position, the sewing apparatus 1 moves the intermediate presser foot 64 to the raised position when the operator gives an instruction to raise the intermediate presser foot 64 . may Instead of the operator manually moving the intermediate presser foot 64 of the sewing device 1 from the raised position to the lowered position, the sewing device 1 may drive the intermediate presser motor 68 to lower the intermediate presser foot 64. . The process of editing the order of the hole data E2 may be omitted as appropriate.

1: sewing device 8: jig 16, 101: CPU
30: Head portion 64: Intermediate presser foot 85: Support frame 100: Control device 122: Intermediate presser mechanism 145: Pin 146: Upper end portions 140, 150: Support members H1 to H22: Hole

Claims (7)

a plurality of support members having upwardly projecting pins;
a support frame for fixing each of the plurality of support members in a position-adjustable manner, and by inserting each of the plurality of pins through a plurality of holes provided in the article to be sewn, the article to be sewn with respect to the support frame; A method for aligning jigs for alignment, comprising:
a capturing step of capturing the coordinate data of the plurality of pins by a control device of the sewing apparatus;
The control device relatively moves the head portion of the sewing device and the support frame to a position indicated by the coordinate data of the pin of interest among the plurality of pins, and moves the support frame with respect to the head portion. an indication step of indicating the position of the pin of interest indicated by the coordinate data according to the position;
A worker adjusts the position of the supporting member of interest with respect to the support frame by aligning the supporting member of interest corresponding to the pin of interest among the plurality of supporting members by aligning the position of the pin of interest. and a fixing step of fixing the supporting member of interest to the supporting frame. 2. The method according to claim 1, wherein in said capturing step, said control device captures said coordinate data from sewing data for forming stitches on said sewing material held by said jig after positioning. How to align jigs. In the instructing step, the control device relatively moves the head portion and the support frame to the position indicated by the coordinate data of the pin of interest, and then lifts the presser foot provided on the head portion of the sewing device. A position at which the pin of interest contacts the presser foot when it is lowered from a position between the raised position and the lowered position or to the lowered position as the position of the pin of interest indicated by the coordinate data. Item 3. A jig alignment method according to item 1 or 2. each of the upper end portions of the plurality of pins has a tapered shape with a smaller diameter toward the upper side;
The presser foot has a tubular shape having a hole smaller than 1.1 times the maximum diameter of the plurality of pins and having a size that allows insertion of at least a portion of the upper end portion of the pin of interest,
In the fixing step, when the presser foot of the sewing device is lowered from the raised position, the pin of interest is fixed to the support frame at a position where at least part of the upper end portion of the pin of interest fits into the hole of the presser foot. 4. The jig alignment method according to claim 3, wherein the position of said supporting member of interest is adjusted and said supporting member of interest is fixed to said support frame. an order acquisition step in which the control device acquires the order in which the pin of interest is read from the plurality of pins in the instruction step;
a completion instruction acquisition step in which, after the fixing step, the control device acquires from the worker a completion instruction to perform the instruction step for the pin of interest that is next in the order;
a moving step of causing the control device to move the presser foot of the sewing device to the raised position when the completion instruction is obtained in the completion instruction obtaining step;
5. The method of aligning jigs according to claim 3, wherein the control device performs the instructing step for the pin of interest next in the order after the moving step. 6. The jig alignment method according to claim 5, wherein said control device further comprises an order editing step of editing said order. a plurality of support members having upwardly projecting pins;
a support frame for fixing each of the plurality of support members in a position-adjustable manner, and by inserting each of the plurality of pins through a plurality of holes provided in the article to be sewn, the article to be sewn with respect to the support frame; An alignment program for a jig for alignment,
A control device that controls a sewing device that holds the support frame,
a capturing step of capturing coordinate data of the plurality of pins;
The head portion of the sewing apparatus and the support frame are relatively moved to the position indicated by the coordinate data of the pin of interest among the plurality of pins, and the position of the support frame with respect to the head portion is used to determine the coordinates. A program for aligning a jig, comprising an instruction to execute an instruction step of instructing the position of the pin of interest indicated by data.

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