KR101915142B1 - Sewing machine for sleeve placket - Google Patents

Abstract

The present invention relates to a sewing machine for a sleeve placket. The sewing machine includes a sewing frame fixedly installed on the main body of the machine, a work die movably installed in the front and rear, left and right directions of the main body in the lower portion of the sewing machine and having a controlled position relative to the sewing machine; a contact-setting unit which touches a plaque cloth placed on the work die and is set a placket form, and a sewing line setting unit which sets a sewing line by press-fixing the plaque cloth and the sleeve cloth when the sleeve cloth is placed on the set plaque cloth. According to the present invention, it is possible to automate the sewing process of the sleeve placket and greatly improve workability, and to perform sewing work efficiently and quickly even without skilled techniques.

Description

[0001] Sewing machine for sleeve placket [0002]

The present invention relates to a sewing machine, and more particularly, to a sleeve placket sewing machine capable of efficiently sewing a sleeve placket of a shirt sleeve.

Generally, a placket refers to a portion of a garment such as a shirt, a skirt, or the like, which is convenient and comfortable to wear when put on or taken off. In particular, As such, the portion of the sleeve that is made in the sleeve is referred to as a sleeve (SP) or a tailored placket.

The sleeve plate (SP) is sewn by sewing along a sewing line in a state in which a trimmed plaque cloth is in contact with a placket, and then a sleeve cloth having a trim is placed on the sleeve. Since the work process is purely performed by manual work of the worker, the work efficiency is not good, and in the case of a worker having a low proficiency, the sewing work is not easy and there are many problems such as a lot of sewing defects or a considerable time delay.

Registration No. 10-1741040: Automatic sewing machine for side loop button Registration No. 10-1491977: Carpet sewing machine

SUMMARY OF THE INVENTION The present invention has been made in order to solve the conventional problems, and it is an object of the present invention to provide a sleeve flap which can automate the sewing process of the sleeve placket to greatly improve workability, And to provide a kit sewing apparatus.

In order to achieve the above object, according to the present invention,

A work die mounted to the apparatus main body at a lower portion of the sewing machine so as to be movable in both forward and backward and left and right directions and controlled in relative position with respect to the sewing machine; And a sewing line setting unit for setting the sewing line by pressing and fixing the plaque cloth and the sleeve cloth when the sleeve cloth is placed on the set plaque cloth.

Here, the work die is provided with a setting groove extending in a plate shape from the rear end to a predetermined depth and recessed to a predetermined depth, and the contactless setting unit has a shape capable of being inserted into the setting groove, A landing bar that is selectively seated above the deep portion, a pressing rod that presses the landing bar downward to draw the deep portion of the platform stream into the setting groove when the landing bar is seated on the deep portion of the placetian stream, And a folding unit for folding and landing the landing bar on the landing bar.

In addition, the landing bar is coupled to a rotating cylinder provided on the rear side of the working die so as to be vertically rotatable. The landing bar moves back and forth to the position of the setting groove by the rotating cylinder, .

The folding unit may include a pair of side folders symmetrically provided on both left and right sides of the setting groove and folded in parallel to push the side end facing portion of the placard rolling by being advanced toward the setting groove, And a pair of front folders which are provided in an oblique direction and which are advanced toward the setting grooves to fold the leading end facing portion of the placket cloth into an apex shape.

The work die may include a die frame having the setting grooves formed at left and right intermediate positions of the upper surface thereof, and a lower frame coupled to an upper portion of the die frame, wherein a tapered end portion is formed in the periphery of the setting groove, And a die cover having an incision slit formed therein to expose a setting groove at the center of the inclined end.

The sewing line setting unit may further include a lift block mounted on a rear end of the work die so as to be able to move up and down and a flange extending in a form of a plate coupled with the lift block, To thereby fix the pressing rod.

The pressing rod includes a linear rod body coupled to the elevating block and extending horizontally by a predetermined length, a head having a distal end formed at a predetermined distance from the rod body at a predetermined distance from the rod body, And a joint which is rotatable in both right and left directions so as not to interfere with the sewing line at the time of sewing.

According to the sleeve placket sewing apparatus of the present invention,

Sewing is done by setting sewing line and sewing line automatically, so sewing work is easy, sewing work time can be greatly shortened, productivity can be improved greatly, and anyone who does not have skilled sewing technique can sew There is a technical effect that the work can be performed easily and quickly.

It is to be noted that, in addition to the effect specifically described above, a specific effect that can be easily derived and expected from the characteristic configuration of the present invention can also be included in the effect of the present invention.

1 is a view showing an example of a sleeve placket,
2 is a view illustrating an example of a plaque cloth and a sleeve cloth which are objects of the sewing machine according to the present invention,
FIG. 3 is a view illustrating the overall appearance of the sewing machine according to the present invention,
Figure 4 is an illustration of an exploded view of a work die portion according to the present invention,
5 is a view illustrating an example of a contact setting unit according to the present invention,
6 is a view illustrating a sewing line setting unit according to the present invention,
FIGS. 7 to 8 illustrate sequential setting procedures of the placichon in order;
FIGS. 9 to 10 illustrate a sewing line setting process in order;
FIGS. 11 to 12 illustrate a process of sewing along a set sewing line in order.

Hereinafter, a preferred embodiment of a sleeve placket sewing apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the invention to those skilled in the art, It should be noted that the present invention can be reduced or exaggerated for the sake of simplicity.

It will also be understood that when an element is described as being "equipped", "formed", "installed", "coupled", or "connected to" another element in the description of the embodiments, Formed, installed, coupled, or connected to each other, but it should be understood that other components may be present in the middle

In addition, when describing the embodiments, in the case where it is judged that technical characteristics of the present invention may be unnecessarily blurred as a matter known to those skilled in the art, such as known functions and configurations well known in the art, Description thereof will be omitted.

(Hereinafter abbreviated as "the sewing machine 100") of the present invention is a device for sewing a plaque cloth and a sleeve cloth. Before a detailed description of the structure of the sewing machine of the present invention, The object to be sewed of the sewing machine 100 will be briefly described first.

2, a plaquette cloth P and a sleeve cloth S to be sewn by the present invention are exemplified, and the plaquette cloth P is cut into a shape as illustrated in the drawing, And the rest of the outer portion P1 is a contact portion P2 that is folded over the deep portion P1.

The sleeve S is a sleeve which is a sleeve of a shirt. For the sake of convenience, only a part of the sleeve S is illustrated, and the sleeve S is formed with a twist portion S1.

The plaque cloth P and the sleeve cloth S are formed such that the twisting portion S1 of the slit S is in contact with the deep portion P1 of the plaque pit P, P1 and the contact portion P2 and is sewn along the sewing line SL in a collapsed state so as to be made into a sleeve plaque SP as exemplified in Fig.

The sewing apparatus 100 according to the present invention is an apparatus for sewing a sleeve plaque with the placket cloth P and the sleeve cloth S described above, and FIGS. 3 to 6 show a sewing machine according to an embodiment of the present invention 100) is exemplified.

As illustrated in the drawings, a sewing apparatus 100 according to an embodiment of the present invention includes a main body 10, a sewing machine 20, a work die 30, a contactless setting unit 40, , And a sewing line setting unit (40).

3, the apparatus body 10 is a main body of the apparatus in which the components according to the present invention are installed while forming the overall appearance and framework of the sewing apparatus 100 according to the present invention .

The sewing machine 20 is a device for sewing and sewing the plaquette cloth P and the sleeve cloth S and is fixed to one side of the front end side of the apparatus body 10, .

Such a sewing machine 20 is not limited to a special configuration, and various conventional configurations known in the art can be widely employed.

The work die 30 is a part for sewing the plaque cloth P and the sleeve cloth S by the sewing machine 20 and includes a die frame 31, , And a die cover (32).

The die frame 31 is a frame having a substantially rectangular shape, and on its upper surface, a setting groove 33 is formed.

The setting grooves 33 serve to enable the plaque pile P to be seen in a plaque form in conjunction with the visual contact setting unit 40 to be described later.

The setting grooves 33 are formed at left and right intermediate positions of the die frame 31. The setting grooves 33 are extended from the rear end toward the front in a shape corresponding to the shape of the placket, So that it can be drawn inward.

The die cover 32 is coupled to an upper portion of the die frame 31 so as to cover the upper side of the die frame 31. A side folder 43 of the contact setting unit 40, And a front folder 44 are accommodated and installed.

The inclined end 32a is formed at a peripheral position of the setting groove 33 so as to be inclined downward toward the setting groove 33. [ And the cutting slit 32b is formed at the central portion of the inclined step 32a corresponding to the position of the setting groove 33 so that the setting groove 33 is exposed without covering the die cover 32. [

The side folder 43 and the front folder 44 of the contact setting unit are accommodated in the die cover 32. The pushing pieces 43a and 43b of the side folder 43 and the front folder 44, 44a are shifted back and forth by the setting grooves 33 so that the cutting slits 32b and the upper surface of the die frame 31 can be moved forward and backward without interfering with the die cover 32 A gap is formed so as to allow the pushing bushes 43a and 44a to pass therethrough.

The work die 30 having the above-described structure is installed in the apparatus main body 10 at a lower position of the sewing machine 20. The sewing machine 20 has a fixed position relative to the sewing machine 20 during sewing, And is installed in the apparatus main body 10 so as to be movable in both directions, that is, in the forward and backward directions and in the left and right directions.

To this end, the apparatus body 10 on the rear side of the work die 30 may be provided with die moving means (not shown) for providing a bi-directional moving force to the work die 30.

Next, when the plaquette cloth P is placed on the work die 30, the visual contact setting unit 40 sets the plaquette cloth P in a placket shape in which the placed placket cloth P is visible and sewn.

The contact setting unit 40 for this purpose may include a landing bar 41, a pressing rod 42, and a folding unit, as illustrated in FIG.

The landing bar 41 and the pressing rod 42 function to draw the deep portion P1 of the platform pit P into the setting grooves 33 formed in the work die 30.

The landing bar 41 is formed of a thin plate having a shape elongated corresponding to the setting grooves 33 so as to be drawn into the setting groove 33.

The landing bar 41 is coupled to a rotating cylinder 41a provided on the rear side of the work die 30 so as to be vertically rotatable.

The landing bar 41 is advanced to the setting groove 33 position by the pivoting cylinder 41a and is pivoted downward by the pivoting cylinder 41a when the platform pit P is placed on the setting groove 33 And is seated on the deep portion P1 of the placket pile P while being lowered.

When the sewing line setting unit, which will be described later, is operated after setting the platform pitch P, the sewing line setting unit is retracted by the pivoting cylinder 41a to move backward from the set platform pitch P, And is positioned on the upper side of the setting groove 33 in accordance with the upward rotation and forward operation of the cylinder 41a, and is returned to a state in which the seat 41a is seated.

When the landing bar 41 is seated on the deep portion P1 of the platform pool P, the pressing rod 42 presses the landing bar 41 downward to press the deep portion P1 of the platform chain P into the setting groove 33).

The pressing rod 42 is coupled to a pressurizing cylinder 42a that provides a downward pressing force by moving the pressing rod 42 up and down toward the setting groove 33. The pressing cylinder 42a presses the pressing cylinder 42a, And can be vertically fixed to one side.

The pressing rod 42 has a function of drawing the deep portion P1 of the plaque pear spring P into the setting groove 33 by pressing the landing bar 41 when setting the platform pitch P as described above , The function of pushing the placket pile P and the sleeve cloth S by lowering first in operation of the sewing line setting unit 50 which will be described later so that the sewing line setting unit 50 can press- Can be performed.

The folding part is formed in the folding part 33 in a state in which the deep part P1 of the platform pit P is drawn into the setting groove 33 by the landing bar 41 and the pressing rod 42, (P2) on the landing bar (41) to perform a function of bringing the contact portion (P2) of the landing pad (P) into contact with the landing bar (41).

The folding unit for this purpose may be configured to include a pair of side folders 43 and a pair of front folders 44. [

The pair of side folders 43 are symmetrically arranged on the left and right sides of the setting groove 33 so as to face each other. The pair of front folders 44 are installed symmetrically in the direction of the tip of the setting groove 33, do.

The pair of side folders 43 and the pair of front folders 44 are both housed inside the die cover 32 while being installed on the upper surface of the die frame 31. [

The pair of side folders 43 and the pair of front folders 44 both include pushing belts 43a and 44a which come in close contact with the die frame 31 to be turned back and forth toward the setting groove 33, And pushing cylinders 43b and 44b for moving the movable members 43a and 44a forward and backward.

The pair of side folders 43 are configured such that the pushing cylinder 43b pushes the pushing pedestal 43a from both sides of the setting groove 33 in the state in which the deep portion P1 of the placket pile P is drawn into the setting groove 33, So that the side end facing portion P2 of the platform belt P that has not been drawn is folded side by side on the landing bar 41 while being pushed by the pushing pedestal 43a.

The pair of front folders 44 are advanced by the pushing cylinder 44b toward the setting groove 33 in the oblique direction in which the pushing pedals 44a are mutually symmetrical, The leading end contacting portion P2 of the first folding bar 42 is folded in an end-like fashion on the landing bar 41 while being pushed obliquely by the pushing bar 44a.

The pushing pedestal 43a of each of the pair of side folders 43 pushes the side end facing portion P2 so that it has a relatively wide width corresponding to the width of the side end facing portion P2 and has a pair of front folders 44 Each pushing base 44a pushes the tip end facing portion P2 and has a relatively narrow width corresponding to the width of the tip end facing portion P2.

Next, the sewing line setting unit 50 is set in the placket pile P in the form of a sewable plaque by the above-mentioned contact setting unit 40, and then the placket pile P and the sleeve cloth S And performs a function of setting the sewing line SL.

The sewing line setting unit 50 for this purpose may be configured to include a lifting block 51 and a pressing rod 52, as illustrated in Fig.

The lifting block 51 is mounted to the rear end of the work die 30 to be movable up and down.

The elevating block 51 is coupled to the elevating cylinder 51a provided on both the left and right sides and is moved up and down relative to the work die 30 according to the operation of the elevating cylinder 51a.

The pressing rod 52 has a flake shape as a whole and is coupled to the lifting block 51 and extends above the setting groove 33.

The pressing rod 52 is lifted and lowered from the setting groove 33 as the elevating block 51 moves up and down. When the pressure setting rod 40 is operated, the pressing rod 52 is lifted upward from the work die 30 When the sewing setting unit 40 completes the setting of the placard pile P and the sleeve cloth S is placed on the work die 30, P and the sleeve cloth S are pressed down and fixed to set the sewing line SL along the periphery of the pressing rod 52. [

Here, considering the sewing line of the sleeve plate as exemplified in Fig. 1, the pressing rod 52 has a rod body 53, a head 54, a joint (not shown) 55).

The rod body 53 has a linear shape and is coupled to the lifting block 51 and extends horizontally by a predetermined length.

The head 54 is spaced forward from the rod body 53 at a predetermined distance, and its tip is formed in a tip shape.

The head 54 is spaced apart from the rod body 53 by a predetermined distance so that a sewing line S.L between the rod body 53 and the head 54 can be formed.

The joint 55 is coupled between the rod body 53 and the head 54 to interconnect the separated rod body 53 and the head 54.

The joint 55 is constructed to be rotatable in both right and left directions so as not to interfere with the sewing line SL at the time of sewing. To this end, the elevating block 51 is provided with a joint motor 55a, The coupling shaft 55b may be connected to the joint motor 55a and the gear 55c while the coupling shaft 55b is connected to the coupling shaft 55b.

According to this structure, the joint shaft 55b is rotated by the action of the joint motor 55a, so that the joint 55 is rotated in both directions.

On the other hand, the sewing apparatus 100 of the present invention constructed as described above is not shown in the figures so that the operator can more easily align the position when the placket pile P is placed on the setting groove 33 And a position display means for displaying a seating position of the platform pitch P.

For example, the position indicating means may include a plurality of luminous bodies for irradiating line light to one side of the sewing machine 20, and the luminous body may be provided with line light in the front-rear direction and line light in the left- And may be configured to indicate the seating position of the placket pile P by inspection.

In the sewing machine 100 of the present invention, an operation button or the like for a user interface may be provided in the apparatus main body 10 so that an operator can input a manual operation such as operation or stop of the apparatus, A control unit for controlling the operation of each of the sewing machine 20, the working die 30, the contactless setting unit 40, and the sewing line setting unit 50 according to the control logic can be included naturally.

Hereinafter, the operation and the sewing process of the sewing machine 100 will be described with reference to FIGS. 6 to 12. FIG.

The user places the placket pile P on the setting groove 33 of the work die 30 in a state in which the placket pile P and the sleeve cloth S to be sewn are prepared.

At this time, both the landing bar 41 of the initial setting contact setting unit 40 and the pressing rod 52 of the sewing line setting unit 50 are both raised and spaced above the setting groove 33, The pushing rests 43a and 44a of the folder 43 and the front folder 44 are both backward.

When the sewing machine 100 is operated by pressing the operation button in this state, the contact setting unit 40 is operated. First, the rotating cylinder 41a is rotated downward, and the landing bar 41 is lowered, (P) which is placed on top of the platform.

7, the pressing rod 42 is lowered by the operation of the pressurizing cylinder 42a to press the landing bar 41 which is seated, so that the landing bar 41 is pressed by the landing bar 41. As a result, The deep portion P1 of the placket pile P is drawn into the setting groove 33. [

8, the pushing cylinder 43b of each of the side folders 43 on both sides of the setting groove 33 is actuated to advance the pushing pedestal 43a toward the setting groove 33. On the other hand, The forward pushing base 43a folds the landing bar 41 on the side end contacting portion P2 of the platform belt P that has not been drawn into the setting groove 33,

The pushing cylinder 44b of each front folder 44 on the front side of the setting groove 33 is also actuated to advance the pushing pedestal 44a toward the setting groove 33 and the pushing pedestal 44a, The leading end contacting portion P2 of the platform sheath P that has not been drawn into the setting groove 33 is also folded over the landing bar 41 to make a seam.

When the viewing of the platform pile P by the side folder 43 and the front folder 44 is completed, the pressing rod 42 is moved upward by the operation of the pressurizing cylinder 42a.

The sequential operation of the above-mentioned seascape setting unit 40 is automatically performed by the control unit 11. When the seascape setting of the platform seats P by this seascape setting unit 40 is completed, the operation is suspended .

Then, the worker places the prepared sleeve S on the placard pile P set in the seated state. At this time, as shown in Fig. 9, one side of the sleeve S1 of the sleeve S is pulled out (S) so as to enter between the contact portions (P2) of the pawls (P).

After the sleeve S is thus placed and then the operation button is pressed again, an operation for setting and sewing the sewing line S.L is made.

The pushing rod 52 of the sewing line setting unit 50 is lowered by the operation of the lifting cylinder 51a so that the pressing rod 52 is lifted by the operation of the lifting cylinder 51a, So that the plaque cloth P and the sleeve cloth S are pressed and fixed.

At this time, the landing bar 41 is moved backward by the operation of the pivoting cylinder 41a in a manner similar to the pressing time of the pressing rod 52, Each of the pushing bushes 43a and 44a is also retracted from the plateau P while being retracted to the original position by the operation of the pushing cylinders 43b and 44b.

When the sewing line S.L of the placket pile P and the sleeve cloth S is set by pressing the pressing rod 52 in this manner, the work die 30 is moved immediately after the setting.

At this time, the position of the work die 30 relative to the sewing machine 20 is controlled so that the sewing machine 20 performs sewing along the sewing line S.L.

First, the work die 30 is moved such that the position between the head 53 and the rod body 53 constituting the pressing rod 52 is located at the lower portion of the sewing machine 20, The workpiece die 30 is moved in the direction of the sewing line SL in the opposite direction to the position where the joint 55 is located, So that the sewing is performed along the circumference.

After the head 54 is sewn around the periphery of the head 54, as shown in Fig. 12, the positional movement is continuously performed so as to sew along the straight sewing line SL around one side of the rod body 53 So that the placket pile P and the sleeve cloth S are made of the slab plate SP as shown in Fig. 1 while the sewing is completed.

At this time, while sewing is performed along the periphery of the head 54 by the sewing machine 20, as shown in Fig. 12, the joint 55 is rotated 180 degrees in the opposite direction by the operation of the joint motor 55a So that the sewing can be continuously performed along one side of the rod body 53 successively after sewing along the periphery of the head 54.

As described above, according to the sewing machine of the present invention, since sewing is performed by automatically setting the see-through and sewing lines on the plaque cloth and the sleeve cloth, And greatly shorten the working time, and it can be understood that anyone can easily and quickly perform the sewing work even if there is no skill related to sewing.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the technical scope of the invention is not limited to the disclosed exemplary embodiments and drawings, It will be understood that the modified equivalent structure is not limited to the scope of the present invention.

The main parts of the accompanying drawings are as follows.
10: device body 20: sewing machine
30: work die 31: die frame
32: die cover 40: visual contact setting unit
41: landing bar 42: pressure rod
43: side folder 44: front folder
50: sewing line setting unit 51:
52: pressing rod 53: rod body
54: head 55: joint

Claims (7)

A sewing machine 20 fixedly installed on the apparatus main body 10;
A working die 30 which is installed in the apparatus main body 10 in the forward and backward directions and in the left and right directions in the lower portion of the sewing machine 20 so as to control the relative position with respect to the sewing machine 20;
A contact-setting unit (40) for setting a plaque stream (P) placed on the work die (30) in a plaque form;
A sewing line setting unit 50 for setting the sewing line SL by press-fixing the plaque cloth P and the sleeve cloth S when the sleeve cloth S is placed on the set placket cloth P;
And position indicating means for indicating a seating position where the platform rain P is to be placed,
The working die 30 is provided with a setting groove 33 recessed to a certain depth so as to allow the deep portion P1 of the platform sheath P to be drawn in a plate shape extending forward from the rear end, And the inclined end 32a is formed on the periphery of the setting groove 33 while being inclined downwardly inclined toward the setting groove 33. The inclined end 32a is formed on the upper surface of the die frame 31, And a die cover (32) having a cutting slit (32b) formed therein so as to expose a setting groove (33)
The contact setting unit 40 has a shape capable of being drawn into the setting groove 33 and is coupled to a rotating cylinder 41a provided on the rear side of the working die 30 so as to be vertically rotatable, The landing bar 41 is selectively moved up and down to the position of the setting groove 33 and is lifted up by the rotation of the pivoting cylinder 41a and is seated over the core P1 of the platform pool P placed on the setting groove 33 A pressing rod 42 vertically installed on one side of the sewing machine 20 and pressing the landing bar 41 downward to draw the deep portion P1 of the plaque pit P into the setting groove 33, And is symmetrically provided on both left and right sides of the setting groove 33 so as to be advanced toward the setting groove 33 to thereby allow the side edge facing portion P2 and the setting grooves 33 are symmetric with respect to the front ends of the pair of side folders 43 and the setting grooves 33 and are provided in an oblique direction And a pair of front folders 44 that are advanced toward the setting groove 33 to fold the leading end contacting portion P2 of the platform chain P in a tip end manner, (P2) of the landing bar (P) on the landing bar (41)
The sewing line setting unit 50 includes a lifting block 51 which is installed at a rear end of the work die 30 so as to be able to move up and down and a lifting block 51 which is coupled to the lifting block 51, P and the sleeve S by a downward pressure and fixed to the head body 53. The rod body 53 has a linear rod body 53 extending horizontally by a predetermined length and a head body 53, And a joint 55 which is coupled between the rod body 53 and the head 54 and is rotatable in both left and right directions so as not to interfere with the sewing line SL at the time of sewing, ),
The position indicating means is provided on one side of the sewing machine 20 and is provided with a plurality of light emitting bodies 30 for displaying the placing position of the platform P by irradiating the line light in the forward and backward direction and the line light in the left- And a sleeve plate sewing device. delete delete delete delete delete delete

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