KR200323302Y1 - Up and down individually driving type single head embroidering machine - Google Patents

Abstract

The present invention relates to a single head embroidery machine for up and down single driving, and by separating and driving the needle bar driving motor for driving the needle bar and the kiln driving motor for driving the kiln, a plurality of pulleys connected to drive the upper and lower shafts with one main shaft motor And reduce the noise generated by the timing belt and the load.

Top and bottom single-head embroidery machine of the present invention for this purpose head unit having a needle bar and a bee needle; A bed unit having a kiln for cooperating with the bee needle to capture the thread of the upper thread; A needle bar driving motor for driving the needle bar; A kiln driving motor for driving the kiln; A first sensing unit for detecting an origin position of the main shaft driven by the needle-driven motor, a reference position and a rotation angle of the needle-driven motor; A second sensing unit configured to detect a home position of the kiln drive shaft driven by the kiln drive motor, a reference position and a rotation angle of the kiln drive motor; A third sensing unit sensing up and down positions of the needle bar; And a controller configured to control the number of rotations of the needle-driven motor and the kiln-drive motor by the first to third sensing units, respectively.

Description

UP and DOWN INDIVIDUALLY DRIVING TYPE SINGLE HEAD EMBROIDERING MACHINE}

The present invention relates to a single head embroidery machine for up and down single drive, and more specifically, by separating and driving the needle bar drive motor for driving the needle bar and the kiln drive motor for driving the kiln, the load and noise generated by one spindle motor It relates to a shortened single-head embroidery machine.

In general, the industrial embroidery machine is a controller that determines the positions of two axes of horizontal movement in the X-axis direction and the Y-axis direction while the embroidery frame is fixed to the fabric while the needle bar of the sewing machine capable of sewing is vertically moving.

The needle bar moves up and down to sew when the sewing machine transfers the fabric to the sawtooth feeder, while the embroidery machine is sewn because the embroidery frame is fixed to the X and Y direction. The accuracy and constantness of the movement of several frames is closely related to the quality of embroidery.

Therefore, an AC servo motor or an induction motor that can control is used as a power source for the needle bar of the embroidery machine to drive up and down movement. As a power source for moving the embroidery frame in the X or Y direction, the positioning force is good and the control is easy. A stepping motor is used.

Embroidery machines usually have 12 to 24 sewing machines connected to one axis to increase productivity, and each sewing machine has 6 to 12 needle bars because each sewing thread has to be sewn with different colors according to the embroidery design. Different colored threads are attached and connected.

Recently, users have requested the convenient input, copying, saving and simple editing of embroidery designs, and the automatic change of the thread color according to the embroidery design, the trimming function which automatically cuts the thread after sewing is finished, and the thread is broken. Automated embroidery machines are preferred with functions that stop the machine and display alarms, and power failure recovery that allows the machine to continue working when the machine stops with a power outage.

In addition to the efforts to improve the embroidery quality, companies that produce and sell embroidery machines are adopting industrial computers or microcomputers to the embroidery machines to meet the needs of users who require multifunctional embroidery machines.

Then, a conventional single head embroidery machine will be described with reference to the accompanying drawings.

Figure 1 is an internal configuration for explaining the transfer operation of the embroidery frame of the guillotine embroidery machine according to the prior art.

The conventional guillotine embroidery machine rotates the pulley 22 through the timing belt 21 by driving the Y-axis driving motor 20 during the Y-axis transfer of the embroidery frame to rotate the Y-direction driving shaft 23. The pulleys 24a and 24b are rotated by the rotation of the Y-direction drive shaft 23 to drive the timing belts 25a and 25b. At a predetermined position of the timing belts 25a and 25b, a bracket (not shown) connecting an embroidery frame (not shown) is installed, and a pair of rails (not shown) are mounted on an upper end thereof. have. Therefore, the embroidery frame can be moved in the Y-axis direction by driving the timing belts 25a and 25b.

In addition, when the embroidery frame is transported in the X-axis direction, the timing belt 31 is driven by the rotation of the X-axis driving motor 30 to rotate the end pulley 32, thereby enabling the embroidery frame to move in the X-axis direction. .

Here, reference numeral 40, which is not described, is the main shaft motor.

Figure 2 is an internal cross-sectional view for explaining the operation of the embroidery unit of the single-head embroidery machine according to the prior art.

Referring to FIG. 2, the needle bar 45 is driven up and down when the upper shaft 43, which receives power from the timing belt 42, is rotated by the drive of the spindle motor 40 located at the bottom. In addition, the pulley 44 coupled to the upper shaft 43 rotates by the rotation of the upper shaft 43 to drive the timing belt 46 to rotate the pulley 47 coupled to the lower shaft 48. Thus, the lower shaft 48 is rotated by a predetermined rotation ratio to rotate the kiln 49. Thereby, embroidery is performed by adjusting the rotation speed of the upper needle bar 45 and the lower kiln 49.

However, the conventional single head embroidery machine having the above configuration has generated noise by connecting a plurality of pulleys and timing belts to drive the upper and lower shafts with one main shaft motor. In addition, since one main shaft motor drives the upper and lower shafts, the load has a large disadvantage.

Accordingly, an object of the present invention is to solve the above problems, by driving the needle bar driving motor for driving the needle bar and the kiln driving motor for driving the kiln, to drive the upper and lower shafts with one main shaft motor The present invention provides a single head embroidery machine for single and single driving which reduces the noise generated by multiple connected pulleys and timing belts and reduces the load.

Another object of the present invention is a first sensing unit for detecting the home position of the main shaft driven by the needle-drive motor and the reference position and the rotation angle of the needle-drive motor, and the origin of the kiln drive shaft driven by the kiln drive motor A second sensing unit for detecting a position and a reference position and a rotation angle of the kiln driving motor, a third sensing unit for sensing the up and down positions of the needle bar, and the first to third sensing units for the needle bar driving of the upper shaft By providing a control unit for controlling the rotational speed of the kiln drive motor of the motor and the lower shaft, to provide a single head embroidery machine for the upper and lower single-drive can be adjusted the rotational speed of the upper shaft and the lower shaft.

Still another object of the present invention is to provide an up-and-down single-headed embroidery machine that automatically adjusts the position of the needle bar to the initially set value by the first to third sensing units when the embroidery machine is turned on.

Figure 1 is an internal configuration for explaining the transfer operation of the embroidery frame of the guillotine embroidery machine according to the prior art

Figure 2 is an internal cross-sectional view for explaining the operation of the embroidery unit of the single-head embroidery machine according to the prior art

Figure 3 is a cross-sectional view briefly showing the internal configuration of the top and bottom single-driven embroidery machine according to the present invention

Figure 4 is a block diagram of the top and bottom single-driven embroidery machine according to the present invention

<Explanation of symbols for the main parts of the drawings>

100: kiln driven motor 110: the first pulley

120: timing belt 130: pulley

140: kiln drive shaft (lower axis) 150: kiln

160: bed 200: needle drive motor

210: main shaft (upper shaft) 300: head

310: needle bar 400: control unit

410: first detection unit 420: second detection unit

510: X-axis driving unit 520: Y-axis driving unit

600: Embroidery Frame

Top and bottom single-driven embroidery machine according to the present invention for achieving the above object,

A head portion having a needle bar and a needle;

A bed unit having a kiln for cooperating with the bee needle to capture the thread of the upper thread;

A needle bar driving motor for driving the needle bar;

A kiln driving motor for driving the kiln;

A first sensing unit for detecting an origin position of the main shaft driven by the needle-driven motor, a reference position and a rotation angle of the needle-driven motor;

A second sensing unit configured to detect a home position of the kiln drive shaft driven by the kiln drive motor, a reference position and a rotation angle of the kiln drive motor;

A third sensing unit sensing up and down positions of the needle bar; And

It characterized in that it comprises a control unit for controlling the number of rotation of the needle-driven motor and the kiln drive motor by the first to third detection unit.

The upper and lower single-head embroidery machine embroiders the frame to support or hold the sewing object and move in the X-axis and Y-axis direction; An X-axis driving unit controlling the embroidery frame to move in the X-axis direction; A Y-axis driving unit controlling the embroidery frame to move in the Y-axis direction; And a controller configured to control operations of the X-axis driver and the Y-axis driver, respectively, by the first to third detectors.

The control unit controls the needle bar drive motor of the upper shaft and the kiln drive motor of the lower axis by the first to third sensing units when the power of the guillotine embroidery machine is turned on, so that the needle bar stops at the needle stop position. The position of the kiln is initially set, and at the same time, the stop position of the kiln drive shaft and the kiln is initially set such that the kiln stops at a position corresponding to the needle stop position.

The top and bottom single-driven embroidery machine has a first pulley coupled to the rotary shaft of the kiln drive motor; A kiln drive shaft for rotating the kiln; A second pulley coupled to the kiln drive shaft; And a timing belt for transmitting the rotational force of the first pulley to the second pulley.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 3 is a cross-sectional view briefly showing the internal configuration of the top and bottom single drive embroidery machine according to the present invention.

As shown in FIG. 3, the top and bottom single-driven embroidery machine has a needle part 310 and a head portion 300 having a needle, and a kiln 150 for capturing the thread of the upper thread in cooperation with the needle. It comprises a bed 160 provided, a needle bar drive motor 200 for driving the needle bar 310, and a kiln drive motor 100 for driving the kiln 150.

Here, the needle bar 310 is driven up and down by the main shaft 210 that is rotated by the needle bar drive motor (200).

The top and bottom single-head embroidery machine has a first pulley 110 coupled to the rotary shaft of the kiln driving motor 100, the kiln driving shaft 140 for rotating the kiln 150, and the kiln driving shaft 140 It is configured to include a second pulley 130 and a timing belt 120 for transmitting the rotational force of the first pulley 110 to the second pulley 130.

The operation of rotating the kiln 150 is as follows. When the first pulley 110 is rotated by the kiln driving motor 100, the timing belt 120 is driven to rotate the second pulley 130 and the kiln driving shaft 140, thereby allowing the kiln ( 150 will rotate.

As shown in FIG. 3, in the present invention, the needle-driven motor 200 of the upper shaft and the kiln-drive motor 100 of the lower shaft are configured to be driven separately.

Figure 4 is a block diagram of a single head embroidery machine for up and down single drive according to the present invention.

The top and bottom single-driven embroidery machine as shown in Figure 5, the kiln driving motor 100, the kiln driving shaft 140, the kiln 150, the needle bar driving motor 200, the main shaft 210, the needle bar 310 ), The controller 400, the first detector 410, the second detector 420, the X-axis driver 510, the Y-axis driver 520, and the embroidery frame 600.

The needle bar drive motor 200 is a motor for driving the needle bar 310 up and down by rotating the main shaft (210).

The first detection unit 410 is a control unit for detecting the origin position of the main shaft 210 driven by the needle-drive motor 200 and the reference position and the rotation angle of the needle-drive motor 200 400).

The kiln driving motor 100 is a motor that drives the kiln 150 by rotating the kiln driving shaft 140.

The second sensing unit 420 detects a signal of detecting the home position of the kiln driving shaft 130 driven by the kiln driving motor 100 and the reference position and the rotation angle of the kiln driving motor 100. 400).

The embroidery frame 600 supports or grabs the sewing object and moves in the X-axis and Y-axis directions.

The X-axis driving unit 510 controls the embroidery frame 600 to move in the X-axis direction.

The Y-axis driver 520 controls the embroidery frame 600 to move in the Y-axis direction.

The controller 400 controls the number of rotations of the needle bar driving motor 200 and the kiln driving motor 100 by the first and second sensing units 410 and 420, respectively. In addition, the control unit 400 controls the needle-driven motor 200 and the kiln drive motor 100 by the first and second detection unit 410, 420 when the power of the single head embroidery machine is turned on, Initially set the positions of the needle bar 310 and the kiln 150 so that the needle bar 310 stops at the needle stop position, and at the same time the kiln 150 stops at the position corresponding to the needle stop position. The stop position of the drive shaft 140 and the kiln 150 is initially set. In addition, the controller 400 controls the operations of the X-axis driver 510 and the Y-axis driver 520 by the first and second detectors 410 and 420, respectively.

In addition, preferred embodiments of the present invention are disclosed for the purpose of illustration, those skilled in the art will be possible to various modifications, changes, additions, etc. within the spirit and scope of the present invention, these modifications and changes belong to the following utility model registration claims Should be seen.

As described above, according to the top and bottom single-head embroidery machine of the present invention, by separating and driving the needle bar drive motor for driving the needle bar and the kiln drive motor for driving the kiln, to drive the upper and lower shafts with one main shaft motor It is possible to reduce the noise generated by a plurality of pulleys and timing belts connected to each other, and to reduce the load.

In addition, the first detection unit for detecting the home position of the main shaft driven by the needle-driven motor and the reference position and rotation angle of the needle-driven motor, the home position of the kiln drive shaft driven by the kiln drive motor and the kiln The second sensing unit for detecting the reference position and the rotation angle of the drive motor, the third sensing unit for detecting the up and down position of the needle bar, and the first to third sensing unit of the needle bar drive motor and the lower shaft By providing a control unit for controlling the rotational speed of the kiln drive motor, it is possible to adjust the rotational speed of the upper and lower shafts.

In addition, there is an effect that the position of the needle bar can be automatically adjusted to the value initially set by the first to the third sensing unit when the embroidery machine power is ON.

Claims (4)

In the single head embroidery machine, A head portion having a needle bar and a needle; A bed unit having a kiln for cooperating with the bee needle to capture the thread of the upper thread; A needle bar driving motor for driving the needle bar; A kiln driving motor for driving the kiln; A first sensing unit for detecting an origin position of the main shaft driven by the needle-driven motor, a reference position and a rotation angle of the needle-driven motor; A second sensing unit configured to detect a home position of the kiln drive shaft driven by the kiln drive motor, a reference position and a rotation angle of the kiln drive motor; A third sensing unit sensing up and down positions of the needle bar; And The single head embroidery machine for up and down single drive, characterized in that it comprises a control unit for controlling the rotational speed of the needle-driven motor and the kiln drive motor by the first to third detection. According to claim 1, wherein the top and bottom single drive embroidery machine, Embroidery frame for supporting or holding the sewing object and moving in the X-axis and Y-axis direction; An X-axis driving unit controlling the embroidery frame to move in the X-axis direction; A Y-axis driving unit controlling the embroidery frame to move in the Y-axis direction; And And a controller for controlling operations of the X-axis driver and the Y-axis driver, respectively, by the first to third detectors. The method of claim 1 or 2, wherein the control unit, When the power of the guillotine embroidery machine is turned on, the needle stage driving motor of the upper shaft and the kiln driving motor of the lower shaft are controlled by the first to third sensing units so that the needle stage stops at the needle stop position. And initial setting the stop position of the kiln drive shaft and the kiln so that the kiln stops at the position corresponding to the needle stop position. The method of claim 1, A first pulley coupled to the rotary shaft of the kiln driving motor; A kiln drive shaft for rotating the kiln; A second pulley coupled to the kiln drive shaft; And Up-and-down single head embroidery machine comprising a timing belt for transmitting the rotational force of the first pulley to the second pulley.