CN203096367U - Double-needle sewing mechanism of intelligent double-needle computer pattern sewing machine - Google Patents

Abstract

The utility model discloses a two needle sewing machine of intelligence two needle computer style sewing machine constructs, including the casing, still include with casing fixed connection's needle stick location auto-change over device, install first needle stick, the second needle stick on needle stick location auto-change over device side by side to and the needle stick drive arrangement who is connected with first needle stick or the transmission of second needle stick of alternative, the sewing needle has been installed respectively to first needle stick and the excellent lower extreme of second needle, the first needle stick or the second needle stick in location of needle stick location auto-change over device alternative, needle stick drive arrangement is connected with the corresponding needle stick transmission that is not fixed a position to drive this corresponding needle stick up-and-down motion. The intelligent double-needle computer pattern sewing machine has the advantages of being simple in structure, low in manufacturing cost, easy to control and the like, and having wide industrial utilization value.

Description

The two-needle sewing machine structure of intelligence crosspointer computerized pattern sewing machines

Technical field

The utility model relates to the sewing machine technique field, more particularly, relates to a kind of two-needle sewing machine structure of intelligent crosspointer computerized pattern sewing machines.

Background technology

Computerized pattern sewing machines is by computer control, realizes the pattern that designs is made on lining.In actual production; appear at the colo(u)r streak of making different colours on the lining through regular meeting; more lively to obtain; attractive in appearance; the pattern that vision is better; and in traditional computerized pattern sewing machines; only being provided with single needle bar on its sewing mechanism drives a sewing needle and works up and down; therefore in the time need making the colo(u)r streak of different colours; need split out original colo(u)r streak and replace another colo(u)r streak again; perhaps change the Sewing machines that another is equipped with different colo(u)r streak, sew again, complex operation; production efficiency is low; and also can influence product quality, cause sewing quality poor easily, the qualification rate of product is lower.

For this reason, occurred the crosspointer computerized pattern sewing machines on the market, yet existing crosspointer computerized pattern sewing machines exists complex structure, complex operation is made difficulty, shortcomings such as manufacturing cost height.

The utility model content

The purpose of this utility model is to overcome above-mentioned defective of the prior art, provide a kind of simple in structure, be easy to control, low cost of manufacture, simple realization is installed in the sewing needle alternation on first needle bar or second needle bar, to be implemented in the colo(u)r streak of making different colours on the lining, the two-needle sewing machine structure of the intelligent crosspointer computerized pattern sewing machines that can enhance productivity greatly.

For achieving the above object, the technical scheme that the utility model provides is as follows: the two-needle sewing machine structure that a kind of intelligent crosspointer computerized pattern sewing machines is provided, comprise casing, also comprise the needle bar location switching device shifter of fixedlying connected with casing, be installed in first needle bar on the switching device shifter of needle bar location side by side, second needle bar, and select one with first needle bar, the needle bar drive unit that second needle bar is in transmission connection, described first needle bar and the second needle bar lower end are equiped with sewing needle respectively, described needle bar location switching device shifter is selected one location first needle bar or second needle bar, described needle bar drive unit and the corresponding needle bar that is not positioned are in transmission connection, and move up and down thereby drive this corresponding needle bar.

Described needle bar drive unit is the cam that is connected by with through-drive on the Sewing machines, the needle bar connecting rod that is connected with cam drive, the needle bar connecting axle that is connected with the needle bar connecting rod, and the slide rail that is set in needle bar connecting axle one end constitutes, the needle bar connecting axle can slide along this slide rail, is respectively equipped with the connector that can fasten with the needle bar connecting axle other end on described first needle bar and second needle bar.

Described needle bar location switching device shifter is by movable needle bar seat, the needle bar seat drive unit that is in transmission connection with movable needle bar seat, be installed on the first needle bar locating piece holder on the needle bar seat drive unit, the second needle bar locating piece holder, be installed in the first needle bar locating piece on the first needle bar locating piece holder, and the second needle bar locating piece that is installed on the second needle bar locating piece holder constitutes, described first needle bar and second needle bar are erect and are arranged on the movable needle bar seat, and can move up and down along this activity needle bar seat, described first needle bar is provided with first positioning port that can fasten with the first needle bar locating piece, second needle bar is provided with second positioning port that can fasten with the second needle bar locating piece, under the driving of described needle bar seat drive unit, described first needle bar and second needle bar are made traverse motion with movable needle bar seat, thereby snapping in the corresponding positioning port that the first needle bar locating piece and the second needle bar locating piece replace positioned corresponding needle bar.

The beneficial effect of the two-needle sewing machine structure of intelligent crosspointer computerized pattern sewing machines described in the utility model is: select one location first needle bar or second needle bar by described needle bar location switching device shifter, the needle bar of described needle bar drive unit and corresponding no-fix is in transmission connection, thereby driving this corresponding needle bar moves up and down, the simple realization of energy is installed in the sewing needle alternation on first needle bar or second needle bar, the colo(u)r streak that can replace different colours is easily made thus, can effectively solve the problem of replacing different colo(u)r streaks, make the action of intelligent crosspointer computerized pattern sewing machines more smooth and easy, effect is better, stitched products need not to do over again, the qualification rate height of finished product, the business economic high efficiency, thereby be suitable for practicality more, have the extensive value of industry, save time, save trouble advantage of high production efficiency.

Described in addition needle bar location switching device shifter and needle bar drive unit are reasonable in design, technology is simple, make the two-needle sewing machine structure of intelligent crosspointer computerized pattern sewing machines described in the utility model have simple in structure, the bodily form is little, the advantage that cost of investment is low, and the operation operation is easy, is convenient to keep in repair in the future, improve the operability of equipment greatly, improved economic benefit of enterprises.

Be described further below in conjunction with the two-needle sewing machine structure of drawings and Examples intelligent crosspointer computerized pattern sewing machines described in the utility model.

Description of drawings

Fig. 1 is the perspective view that the two-needle sewing machine structure of intelligent crosspointer computerized pattern sewing machines described in the utility model is not installed casing and presser feet;

Fig. 2 is the A place enlarged drawing of Fig. 1;

Fig. 3 is the perspective view that the two-needle sewing machine structure of intelligent crosspointer computerized pattern sewing machines described in the utility model is not installed hood;

Fig. 4 is the three-dimensional structure diagram of the two-needle sewing machine structure of intelligent crosspointer computerized pattern sewing machines described in the utility model;

Fig. 5 is the three-dimensional structure diagram that the two-needle sewing machine structure of intelligent crosspointer computerized pattern sewing machines described in the utility model is not installed casing, hood and presser feet;

Fig. 6 is the B place enlarged drawing of Fig. 5.

The specific embodiment

Below the preferred example of two-needle sewing machine structure of intelligent crosspointer computerized pattern sewing machines described in the utility model, therefore do not limit protection domain of the present utility model.

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, a kind of two-needle sewing machine structure of intelligent crosspointer computerized pattern sewing machines is provided, comprisecasing 1, also comprise the needle bar locationswitching device shifter 3 of fixedlying connected withcasing 1, be installed infirst needle bar 4 on theswitching device shifter 3 of needle bar location side by side,second needle bar 5, and the needlebar drive unit 6 that is in transmission connection withfirst needle bar 4 orsecond needle bar 5 of selecting one, describedfirst needle bar 4 and second needle bar, 5 lower ends are equiped withsewing needle 11 respectively, thisfirst needle bar 4 and second needle bar, 5 lower ends are equiped withpresser feet 10, thesepresser feet 10 tail ends are provided with thepin hole 1001 that adapts withsewing needle 11, describedsewing needle 11 is sewed by 1001 pairs of clothes of this pin hole, guarantee sewing precision height, sewing quality is stable, described needle bar locationswitching device shifter 3 is selected one locationfirst needle bar 4 orsecond needle bar 5, described needlebar drive unit 6 is in transmission connection with the corresponding needle bar that is not positioned, and moves up and down thereby drive this corresponding needle bar; Can simple realization be installed in the corresponding describedpin hole 1001 that the sewing needle on first needle bar and second needle bar replaces and carry out sewing work, more smooth and easy when making the action of intelligent crosspointer computerized pattern sewing machines, it is better to have effect, stitched products need not to do over again, the qualification rate height of finished product, the advantage of business economic high efficiency has improved production efficiency greatly.

Described needlebar drive unit 6 is thecams 601 that are connected by with through-drive on the Sewing machines, the needlebar connecting rod 602 that is in transmission connection withcam 601, the needle bar connecting axle 603 that is connected with needlebar connecting rod 602, and the slide rail 604 that is set in needle bar connecting axle 603 1 ends constitutes, described needle bar connecting axle 603 can slide along this slide rail 604, be respectively equipped with the connector 7 that can fasten with needle bar connecting axle 603 other ends on describedfirst needle bar 4 andsecond needle bar 5, during work, this needle bar connecting axle 603 snaps in not in the corresponding connector 7 of the needle bar that is positioned by needle bar locationswitching device shifter 3, by axle interlock on describedcam 601 and the Sewing machines, thereby drive 602 motions of needle bar connecting rod, needlebar connecting rod 602 drives needle bar connecting axles 603 and slides up and down along slide rail 604, and then makes corresponding needle bar move up and down with connecting axle 603 and realize the action of making of cloth.

Described needle bar locationswitching device shifter 3 is by movableneedle bar seat 301, the needle barseat drive unit 8 that is in transmission connection with movableneedle bar seat 301, be installed on the first needle bar locatingpiece holder 302 on the needle barseat drive unit 8, the second needle bar locatingpiece holder 303, be installed in the first needlebar locating piece 304 on the first needle bar locatingpiece holder 302, and the second needlebar locating piece 305 that is installed on the second needle bar locatingpiece holder 303 constitutes, describedfirst needle bar 4 andsecond needle bar 5 are erect and are arranged on the movableneedle bar seat 301, and can move up and down along this activityneedle bar seat 301, describedfirst needle bar 4 is provided withfirst positioning port 401 that can fasten with the first needlebar locating piece 304,second needle bar 5 is provided with second positioning port that can fasten with the second needlebar locating piece 305, under the driving of described needle barseat drive unit 8, describedfirst needle bar 4 andsecond needle bar 5 can be made traverse motion with movableneedle bar seat 301, thereby snapping in the corresponding positioning port that the first needlebar locating piece 304 and the second needlebar locating piece 305 replace positioned corresponding needle bar, and then realize being installed in first needle bar, the work that hockets of sewing needle on second needle bar.

Described needle barseat drive unit 8 is to be made offirst cylinder 801 andsecond cylinder 802 that are in transmission connection with movableneedle bar seat 301, thisfirst cylinder 801 is arranged on the upper end of movableneedle bar seat 301,second cylinder 802 is arranged on the lower end of movableneedle bar seat 301, describedfirst cylinder 801 and second cylinder, 802 synchronization actions, make traverse motion to drive movableneedle bar seat 301, and assurance activityneedle bar seat 301 stable action, smooth, assurance sewing quality height, the described first needle bar locatingpiece holder 302 and the second needle bar locatingpiece holder 303 are installed onfirst cylinder 801, it is ingenious to have design, simple in structure, make easy, advantage of low manufacturing cost.

Comprise that also fixed cover is located at thehood 2 onfirst cylinder 801 andsecond cylinder 802; thishood 2 is fixedlyed connected withcasing 1 by fixture; describedhood 2 is fixedlyed connected withfirst cylinder 801,second cylinder 802 by fixture respectively withcasing 1, and 2 pairs of needle bar location of this hoodswitching device shifter 3 shields.

Also be provided with aresetting means 9 on the described movable needle bar seat 301.As further improvement of the utility model, described resettingmeans 9 is by thereset cylinder 901 that is in transmission connection with movableneedle bar seat 301, and be fixed on thehood 2 and constitute with reset cylinderlimited block 902 that resetcylinder 901 adapts, described reset cylinderlimited block 902 is used forreset cylinder 901 spacing, and thisreset cylinder 901 can be kept out mutually with reset cylinder limited block 902.By the driving of describedreset cylinder 901, thereby make movableneedle bar seat 301 energy smoothly, easy resets, and then guarantees the work that the two-needle sewing machine structure can move in circles smoothly.

During operation, be communicated with power supply, step on the pedal of Sewing machines then, make the work of two-needle sewing machine structure, as, the first needlebar locating piece 304 snaps infirst positioning port 401 onfirst needle bar 4first needle bar 4 is positioned, needle bar connecting axle 603 snaps in the connector 7 ofsecond needle bar 5, making needlebar drive unit 6 drivesecond needle bar 5 moves up and down, thereby make thesewing needle 11 that is installed on thissecond needle bar 5 action of sewing, if when needing the colo(u)r streak of replacing different colours to sew, move to the position that adapts with the second needlebar locating piece 305 whensecond needle bar 5,first cylinder 801 andsecond cylinder 802 stretch out synchronously, driving activityneedle bar seat 301 is done transverse movement, thereby drivefirst needle bar 4 and 5 actions of second needle bar, the first needlebar locating piece 304 andfirst positioning port 401 are broken away from, simultaneously the second needlebar locating piece 305 snaps in second positioning port onsecond needle bar 5, needle bar connecting axle 603 snaps in the connector 7 offirst needle bar 4, making needlebar drive unit 6 drivefirst needle bar 4 moves up and down, be installed in the action of sewing ofsewing needle 11 onfirst needle bar 4, thereby realize that changing thesewing needle 11 that different colo(u)r streaks are housed flexibly sews, easy and simple to handle, simple.

If in the time of need changing colo(u)r streak once more, move to the position that adapts with the first needlebar locating piece 304 whenfirst needle bar 4,first cylinder 801 and second cylinder, 802 synchronous, andreset cylinder 901 moves simultaneously simultaneously, driving activityneedle bar seat 301 is done transverse movement, thereby drivefirst needle bar 4 andsecond needle bar 5 resets, the second needlebar locating piece 305 and second positioning port are broken away from, the first needlebar locating piece 304 snaps infirst positioning port 401 simultaneously, needle bar connecting axle 603 snaps in the connector 7 ofsecond needle bar 5, make needlebar drive unit 6 drive thesewing needle 11 that is installed onsecond needle bar 5 action of sewing, the work that so moves in circles.The two-needle sewing machine structure of intelligent crosspointer computerized pattern sewing machines described in the utility model, can effectively solve the problem that the colo(u)r streak of flexible replacing different colours is sewed, make that computerized pattern sewing machines action is more smooth and easy, effect is better, stitched products need not to do over again, the qualification rate height of finished product, business economic high efficiency, thereby be suitable for practicality more, have the extensive value of industry, save time, save trouble, advantage of high production efficiency.

The foregoing description is the utility model preferred implementation; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under spiritual essence of the present utility model and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within the protection domain of the present utility model.

Claims (8)

Translated fromChinese

1.一种智能双针电脑花样缝纫机的双针缝纫机构，包括机壳（1），其特征在于，还包括与机壳（1）固定连接的针棒定位切换装置（3），并列装设在针棒定位切换装置（3）上的第一针棒（4）、第二针棒（5），以及择一的与第一针棒（4）或第二针棒（5）传动连接的针棒驱动装置（6），所述第一针棒（4）和第二针棒（5）下端分别装设有缝纫针（11），所述针棒定位切换装置（3）择一的定位第一针棒（4）或第二针棒（5），所述针棒驱动装置（6）与相应未被定位的针棒传动连接，从而驱动该相应的针棒上下运动。 1. A double-needle sewing mechanism of an intelligent double-needle computerized pattern sewing machine, comprising a casing (1), characterized in that it also includes a needle bar positioning switching device (3) fixedly connected to the casing (1), installed side by side The first needle bar (4) and the second needle bar (5) on the needle bar positioning switching device (3), and the one that is connected to the first needle bar (4) or the second needle bar (5) Needle bar driving device (6), the lower ends of the first needle bar (4) and the second needle bar (5) are respectively equipped with sewing needles (11), and the needle bar positioning switching device (3) selects one of the positioning For the first needle bar (4) or the second needle bar (5), the needle bar driving device (6) is in transmission connection with the corresponding unpositioned needle bar, so as to drive the corresponding needle bar to move up and down. the2.根据权利要求1所述的智能双针电脑花样缝纫机的双针缝纫机构，其特征在于，所述针棒驱动装置（6）是由与缝纫机上轴传动连接的凸轮（601），与凸轮（601）传动连接的针棒连杆（602），与针棒连杆（602）相连接的针棒连接轴（603），以及套设在针棒连接轴（603）一端的滑轨（604）构成，所述针棒连接轴（603）可沿该滑轨（604）滑动，所述第一针棒（4）和第二针棒（5）上分别设有可与针棒连接轴（603）另一端相卡合的连接口（7）。 2. The double-needle sewing mechanism of the intelligent double-needle computerized pattern sewing machine according to claim 1, characterized in that the needle bar driving device (6) is a cam (601) connected to the upper shaft of the sewing machine, and the cam (601) the needle bar connecting rod (602) connected by transmission, the needle bar connecting shaft (603) connected with the needle bar connecting rod (602), and the slide rail (604) sleeved on one end of the needle bar connecting shaft (603) ), the needle bar connecting shaft (603) can slide along the slide rail (604), and the first needle bar (4) and the second needle bar (5) are respectively provided with a needle bar connecting shaft ( 603) the connecting port (7) engaged with the other end. the3.根据权利要求1所述的智能双针电脑花样缝纫机的双针缝纫机构，其特征在于，所述针棒定位切换装置（3）是由活动针棒座（301），与活动针棒座（301）传动连接的针棒座驱动装置（8），固定装设在针棒座驱动装置（8）上的第一针棒定位块固定座（302）、第二针棒定位块固定座（303），装设在第一针棒定位块固定座（302）上的第一针棒定位块（304），以及装设在第二针棒定位块固定座（303）上的第二针棒定位块（305）构 成，所述第一针棒（4）和第二针棒（5）竖立穿设于活动针棒座（301）上，并可沿该活动针棒座（301）上下移动，所述第一针棒（4）上设有可与第一针棒定位块（304）相卡合的第一定位口（401），第二针棒（5）上设有可与第二针棒定位块（305）相卡合的第二定位口，在所述针棒座驱动装置（8）的驱动下，所述第一针棒（4）和第二针棒（5）随活动针棒座（301）作横向往复运动，从而使第一针棒定位块（304）及第二针棒定位块（305）交替的卡入相应的定位口内对相应的针棒进行定位。 3. The double-needle sewing mechanism of the intelligent double-needle computerized pattern sewing machine according to claim 1, characterized in that the needle bar positioning switching device (3) is composed of a movable needle bar seat (301) and a movable needle bar seat (301) The needle bar seat driving device (8) connected by transmission, the first needle bar positioning block fixing seat (302), the second needle bar positioning block fixing seat ( 303), the first needle bar positioning block (304) installed on the first needle bar positioning block fixing seat (302), and the second needle bar installing on the second needle bar positioning block fixing seat (303) The positioning block (305) is composed of the first needle bar (4) and the second needle bar (5) erected on the movable needle bar seat (301), and can be moved up and down along the movable needle bar seat (301). move, the first needle bar (4) is provided with a first positioning opening (401) that can be engaged with the first needle bar positioning block (304), and the second needle bar (5) is provided with a The second positioning port where the two needle bar positioning blocks (305) are engaged, driven by the needle bar seat driving device (8), the first needle bar (4) and the second needle bar (5) The movable needle bar seat (301) reciprocates laterally, so that the first needle bar positioning block (304) and the second needle bar positioning block (305) are alternately snapped into the corresponding positioning openings to position the corresponding needle bar. the4.根据权利要求3所述的智能双针电脑花样缝纫机的双针缝纫机构，其特征在于，所述针棒座驱动装置（8）是由与活动针棒座（301）传动连接的第一气缸（801）和第二气缸（802）构成，该第一气缸（801）设置在活动针棒座（301）的上端，第二气缸（802）设置在活动针棒座（301）的下端，所述第一气缸（801）和第二气缸（802）同步动作，用于驱动活动针棒座（301）作横向往复运动，所述第一针棒定位块固定座（302）和第二针棒定位块固定座（303）固定装设在第一气缸（801）上。 4. The double-needle sewing mechanism of the intelligent double-needle computerized pattern sewing machine according to claim 3, characterized in that, the needle bar seat driving device (8) is a first drive connected to the movable needle bar seat (301). A cylinder (801) and a second cylinder (802) are formed, the first cylinder (801) is arranged at the upper end of the movable needle bar seat (301), and the second cylinder (802) is arranged at the lower end of the movable needle bar seat (301), The first cylinder (801) and the second cylinder (802) act synchronously, and are used to drive the movable needle bar seat (301) to perform lateral reciprocating movement, and the first needle bar positioning block fixing seat (302) and the second needle bar seat The rod positioning block fixing seat (303) is fixedly installed on the first cylinder (801). the5.根据权利要求4所述的智能双针电脑花样缝纫机的双针缝纫机构，其特征在于，还包括固定套设在第一气缸（801）和第二气缸（802）上的车头盖（2）。 5. The double-needle sewing mechanism of the intelligent double-needle computerized pattern sewing machine according to claim 4, further comprising a head cover (2) fixedly sleeved on the first cylinder (801) and the second cylinder (802). ). the6.根据权利要求3或4所述的智能双针电脑花样缝纫机的双针缝纫机构，其特征在于，所述活动针棒座（301）上还设有一复位装置（9）。 6. The double-needle sewing mechanism of the intelligent double-needle computerized pattern sewing machine according to claim 3 or 4, characterized in that a reset device (9) is further provided on the movable needle bar seat (301). the7.根据权利要求6所述的智能双针电脑花样缝纫机的双针缝纫机构，其特征在于，所述复位装置（9）是由与活动针棒座（301）传动连接的复位气缸（901），以及固定在车头盖（2）上并与复位气缸（901）相适应的复位气缸限位块（902）构成。 7. The double-needle sewing mechanism of the intelligent double-needle computerized pattern sewing machine according to claim 6, characterized in that the reset device (9) is a reset cylinder (901) that is connected to the movable needle bar seat (301) in transmission , and is fixed on the front cover (2) and is composed of a reset cylinder limit block (902) adapted to the reset cylinder (901). the8.根据权利要求1所述的智能双针电脑花样缝纫机的双针缝纫机构，其特征在于，还包括装设在第一针棒（4）和第二针棒（5）下端的压脚（10），该压脚（10）尾端设有与缝纫针（11）相适应的针孔（1001）。 8. The double-needle sewing mechanism of the intelligent double-needle computerized pattern sewing machine according to claim 1, further comprising a presser foot ( 10), the tail end of the presser foot (10) is provided with a pinhole (1001) compatible with the sewing needle (11). the

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