CN113235241A - Combined super-multicolor embroidery machine - Google Patents

Abstract

The invention discloses a combined super multicolor embroidery machine, which comprises a frame, a machine head component and a thread stand component, wherein the machine head component comprises a machine head component fixed on the frame, a plurality of needle bar frames which are arranged side by side and can move transversely, a thread clamping device and a color changing mechanism, the color changing mechanism comprises a first driving motor and a transmission mechanism connected with the needle bar frames and the first driving motor, the transmission mechanism comprises a transmission structure and a matching structure, the transmission structure rotates under the driving of the first driving motor, and the matching structure is in sliding fit with the transmission structure so that the matching structure rotates leftwards or rightwards along with the transmission structure.

Description

Combined super-multicolor embroidery machine

Technical Field

The invention relates to the field of computer embroidery machines, in particular to a combined super multicolor embroidery machine.

Background

The computerized embroidery machine can form patterns with various colors by embroidering embroidery threads with various colors on cloth, the embroidery machine on the market mostly takes 12 colors as the main part at present, and has 24 colors at most, the industry of the current embroidery machine develops towards the multicolor direction, the embroidery industry requiring large-amplitude multicolor embroidery has higher requirements on the colors, more colors can be automatically replaced by increasing the number of needles, but the whole needle bar frame is inevitably widened due to the increase of the number of needles, and the strength of the needle bar frame is greatly reduced.

The prior Chinese patent application No. CN201921100346.3 discloses an ultra-multicolor embroidery machine head machine embroidery machine, wherein the ultra-multicolor embroidery machine head comprises a machine head shell and a needle bar frame capable of transversely sliding along a machine head shell, the needle bar frame comprises a left needle bar frame and a right needle bar frame which are fixedly connected into a whole, the left needle bar frame and the right needle bar frame are fixed with a guide rail slider, a guide rail bar which is in sliding fit with the guide rail slider is arranged on the machine head shell, the needle bar frame is divided into a left needle bar frame and a right needle bar frame in the application, the strength problem of the needle bar frame is solved, but the defect still exists, the color changing stability of a single guide rail is insufficient, the yarn breakage rate and the equipment failure rate can be increased, the color changing is carried out by adopting a screw rod nut component, the manufacturing cost is high, the thread frame does not move in the color changing process of the machine head, when the needle bar frame is continuously switched to change the yarn, and the needle bar frame is switched to a far position of the force line frame, the embroidery thread between the needle bar frame and the thread frame is pulled longer, which easily causes the embroidery thread to be wound and knotted.

Also, as disclosed in chinese patent application No. CN201921099219.6, an ultra-multicolor embroidery machine includes an embroidery machine head and an upper thread conveying device, the embroidery machine head includes a machine head housing and a needle bar frame, the upper thread conveying device includes a thread holder assembly and a thread clamping assembly, the needle bar frame is driven by a needle frame color-changing driving assembly to slide laterally along the machine head housing, the thread holder assembly and the thread clamping assembly are slidably mounted on a frame cross beam through a linear guide rail, the embroidery machine color-changing upper thread synchronizing structure further includes a driving thread holder assembly and a thread holder assembly, and the thread holder assembly and the thread clamping assembly synchronously slide laterally and synchronously; needle bar frame includes left side needle bar frame and right side needle bar frame as an organic whole of fixed connection, left side needle bar frame and right side needle bar frame are fixed with a guide rail slider, the synchronous motion of line frame and thread trapper is realized in the above-mentioned application, make the facial line unchangeable at the needle bar frame of trading look in-process relative position, guarantee that the facial line can not twine and knot, but following defect exists, line frame and thread trapper synchronous drive mechanism all adopt screw-nut's mode transmission, screw-nut manufacturing accuracy is higher on the one hand, manufacturing cost is big, and can increase the space of equipment, on the other hand, the needle bar frame of combination is when more, the length that the lead screw was made will be longer, the lead screw just is buckled easily in the operation process, lead to trading look unstable, thereby make broken string rate and equipment fault rate increase.

Disclosure of Invention

In order to solve the technical problems, the invention provides a combined super multicolor embroidery machine which can effectively improve the color changing stability and reduce the thread breakage rate and the equipment failure rate.

The invention is realized by the following technical scheme:

a combined super multicolor embroidery machine comprises a frame, a head part and a thread frame part which are arranged on the frame, wherein the thread frame part is arranged above the head part and can transversely move relative to the frame, the head part comprises a head component fixed on the frame, a plurality of needle bar frames which are arranged side by side and can transversely move, thread grippers arranged on the needle bar frames and a color changing mechanism for driving the needle bar frames to transversely move for changing colors, the color changing mechanism comprises a driving motor fixed on the head component and a transmission mechanism connected with the needle bar frames and the driving motor, the transmission mechanism comprises a transmission structure connected with the driving motor and a matching structure fixed on the needle bar frames, the transmission structure rotates around the axis direction of the transmission structure under the driving of the driving motor, and the matching structure is in sliding fit with the transmission structure, such that the mating structure moves left or right as the transmission structure rotates.

The working principle of the invention is as follows: the scheme of realizing multicolor by arranging a plurality of needle bar frame combinations can effectively solve the influence of needle number increase on the strength of the needle bar frames, the color changing mechanism is arranged to be matched with a transmission structure and a matching structure, the transmission structure can rotate around the axis of the transmission structure under the drive of a drive motor, the matching structure can be continuously driven by the transmission structure to move leftwards or rightwards in the rotating process of the transmission structure, so as to drive the needle bar frames fixed on the color changing mechanism to move leftwards and rightwards and transversely, thereby realizing the color changing function, the color changing mechanism adopts the transmission mode of a screw rod nut to change colors in the prior art, but adopts screw rod transmission, when the colors are more, the combined needle bar frames are longer, the color changing stroke is relatively longer, the stroke of the screw rod needing transmission is longer, the strength of the screw rod is weaker as the result, the screw rod is easily bent by the needle bar frames in the operation process, thereby causing unstable color changing, the transmission structure only needs to be arranged at the position of the machine head component, and through continuous rotation and sliding fit with the matching structure, the transmission structure drives the matching structure to translate in the left and right directions in the rotating process, so that the strength problem of the color changing mechanism can be effectively solved, the color changing is more stable, the wire breakage rate and the equipment failure rate are reduced, the space occupied by the color changing mechanism can be effectively reduced, and the manufacturing cost of the equipment is reduced.

As a further improvement of the present invention, the transmission mechanism is provided with a transmission shaft, the transmission shaft is movably disposed on the handpiece assembly and is in transmission connection with the driving motor through a conveyor belt, and the transmission structure is sleeved on the transmission shaft and can rotate along an axial direction of the transmission shaft.

As a further improvement of the present invention, the matching structure is provided with a plurality of cylindrical protruding structures arranged at intervals along the length direction of the needle bar frame, one side surface of the transmission structure extends inwards along the length direction thereof with a first pushing part, the first pushing part is positioned at the left side of the matching structure, the inner side surface of the first pushing part abuts against the matching structure, and the inner side surface of the first pushing part is obliquely arranged so that the first pushing part abuts against the matching structure when the transmission structure rotates and moves rightwards until the first pushing part abuts against the left side of the adjacent matching structure.

As a further improvement of the present invention, a second pushing portion extends inwards from the other side surface of the transmission structure along the length direction of the transmission structure, the second pushing portion is located on the right side of the matching structure, and the inner side surface of the second pushing portion abuts against the matching structure, the inner side surface of the second pushing portion is obliquely arranged and is in the same direction as the inner side surface of the first pushing portion, so that when the transmission structure rotates, the second pushing portion abuts against the matching structure and moves leftwards until the second pushing portion abuts against the right side of the adjacent matching structure.

As a further improvement of the present invention, the transmission structure is a cam-shaped structure sleeved on the transmission shaft, the transmission structure is recessed inwards along a circumferential direction of the transmission structure to form a groove, the first limiting structure and the second limiting structure are formed by protruding outwards along the groove, and the matching structure is located in the groove.

As a further improvement of the invention, a rotating structure which can rotate around the axis direction of the matching structure is sleeved outside the matching structure, and the rotating structure is in sliding fit with the transmission structure.

As a further improvement of the invention, the two sides of the machine head assembly are provided with machine head shells, the upper end and the lower end of each machine head shell are respectively provided with a color changing guide rail extending along the length direction of the machine head shell, and the needle bar frame is arranged on the color changing guide rails in a sliding manner.

As a further improvement of the invention, the thread stand component comprises a bottom plate fixedly connected with the frame, a thread stand for placing embroidery threads, and a driving mechanism for driving the thread stand to move transversely, the thread stand is slidably arranged on the bottom plate, the driving mechanism comprises a mounting seat fixed on the bottom plate, a first driving wheel and a second driving wheel are respectively arranged at two ends of the mounting seat, the first driving wheel and the second driving wheel are driven by a conveying belt, the first driving wheel is connected with a driving motor, a connecting piece is fixed on the conveying belt, and the connecting piece is fixedly connected with the thread stand.

As a further improvement of the invention, at least one linear guide rail is arranged on the bottom plate, a sliding block is arranged on the linear guide rail in a sliding manner, and the wire frame is fixed on the sliding block.

The invention has the beneficial effects that:

(1) the scheme of realizing multiple colors by adopting a combined needle bar frame structure effectively solves the problem that the strength of the needle bar frame is increased by the number of needles.

(2) Adopt the sliding fit of the transmission structure of rotatory disc structure and the column cooperation structure of interval distribution of setting on the needle bar frame, the transmission structure inwards caves in along the circumferencial direction and forms two promotion portions, offset with the cooperation structure left and right sides, make the cooperation structure slide in the recess, and the side slope of promotion portion sets up, thereby realize that the rotatory round of transmission structure will drive the cooperation structure translation to next adjacent cooperation structure entering recess just, with this rotatory horizontal migration about realizing the needle bar frame trades the look, improve the look stability of trading the look mechanism effectively, reduce the volume that occupies of trading the look mechanism, and the manufacturing cost is reduced.

(3) The thread stand can synchronously run with the thread clamping device and the needle bar frame by adopting the matching mode of the guide rail and the sliding block, and the phenomenon that the embroidery threads are wound and knotted due to the fact that the embroidery threads are pulled out longer when the needle bar frame runs to a far position is prevented.

(4) The machine head assembly is provided with the double color changing guide rails and the needle bar frame in sliding fit, so that the transverse movement and color changing of the needle bar frame are realized, and the machine head assembly is more stable in operation compared with a guide needle bar frame with a single guide rail, and therefore the yarn breakage rate of color changing is effectively reduced.

Drawings

The preferred embodiments of the present invention will hereinafter be described in detail to facilitate understanding of the objects and advantages of the invention, with reference to the accompanying drawings, in which:

FIG. 1 is a schematic diagram of the present invention;

FIG. 2 is an enlarged partial schematic view of FIG. 1;

FIG. 3 is a schematic structural diagram of a machine head component according to the present invention;

FIG. 4 is an enlarged partial schematic view of FIG. 3;

FIG. 5 is a schematic view showing a detailed structure of a bobbin assembly according to the present invention;

fig. 6 is a schematic diagram showing a specific structure of the driving mechanism in fig. 5.

Detailed Description

It should be noted that the present invention defines the left and right directions according to the moving direction of the needle bar frame.

Referring to fig. 1, the present invention provides a combined super multicolor embroidery machine, including a frame 1, a head part 2, and a thread stand part 3, wherein the head part 2 and the thread stand part 3 are respectively disposed on the frame 1, the thread stand part 3 is disposed above the head part 2 and can move transversely with respect to the frame 1, with reference to fig. 2 and 3, the head part 2 includes a head assembly 21, a plurality of needle bar stands 22 disposed side by side, thread grippers 23 disposed on the needle bar stands 22, and a thread changing mechanism 24, head housings 211 are disposed on two sides of the head assembly 21, color changing guide rails 212 extending along the length direction of the head housings 211 are respectively disposed on the upper and lower ends of the needle bar stands 22, preferably, color changing guide rails 212 are disposed on the upper and lower ends of the needle bar stands 22, the needle bar frame 22 is guided by adopting double guide rails, the needle bar frame 22 has relatively large volume and heavy weight, shaking is generated by adopting single guide rail guiding, the color changing of the needle bar frame 22 is relatively unstable, and embroidery threads are easily broken in the color changing process, so that the running stability of the needle bar frame 22 can be effectively improved by adopting the color changing guide rails 212 at the upper end and the lower end of the needle bar frame 22 for guiding, so as to reduce the thread breakage rate, in combination with fig. 4, the color changing mechanism 24 comprises a first driving motor 241 and a transmission mechanism 242, the first driving motor 241 is arranged on the machine head assembly 21, the transmission mechanism 242 is connected with the first driving motor 241 and the needle bar frame 22, so that the needle bar frame 22 can transversely move under the driving of the first driving motor 241 to realize color changing, the transmission mechanism 242 comprises a transmission structure 2421 connected with the first driving motor 241 and a matching structure 221 fixedly connected with the needle bar frame 22, the transmission mechanism 242 is provided with a transmission shaft 2422, the transmission shaft 2422 is disposed on the handpiece assembly 21 and is in transmission connection with the first driving motor 241 through a first transmission belt 2423, the transmission structure 2421 is sleeved on the transmission shaft 2422 and can rotate around the axis direction of the transmission shaft 2422 under the driving of the first driving motor 241, the transmission structure 2421 is configured as a cam-shaped structure and is inwardly recessed along the circumferential surface to form a groove 24213 in a spiral structure, the left side and the right side of the groove 24213 protrude outwards to form a first pushing part 24211 and a second pushing part 24212, the fitting structure 221 is configured as a plurality of cylindrical protruding structures which are arranged at intervals along the length direction of the needle bar frame 22, the first pushing part 24211 is located at the left side of the fitting structure 221, and the inner side surface of the first pushing part abuts against the fitting structure 221, the second pushing part 24212 is located at the right side of the fitting structure 221, and the inner side surface of the matching structure is abutted against the matching structure 221, so that the matching structure 221 is slidably arranged in the groove 24213, and the inner side surfaces of the first pushing part 24211 and the second pushing part 24212 are obliquely arranged in the same direction, so that the matching structure 221 can slide in the groove 24213 under the pushing action of the first pushing part 24211 under the driving action of the first driving motor 241, because the first pushing part 24211 is obliquely arranged, the matching structure 221 can move to the right during the sliding process, and the transmission structure 2421 just moves to the next adjacent matching structure 221 to be clamped in the groove 24213 after rotating for one circle, namely the needle bar frame 22 just moves over the distance of a needle, when the same transmission structure 2421 rotates reversely, the matching structure 221 slides in the groove 24213 under the pushing action of the second pushing structure, and the second pushing structure is also obliquely arranged, the matching structure realizes the left movement during the sliding process, similarly, each circle of needle rotation moves to the next matching structure 221 and is clamped in the groove 24213, namely the needle bar frame 22 moves right left over the distance of one needle, and the needle bar frame 22 rotates repeatedly to control the number of needles moving left or right of the needle bar frame 22, so that the color changing function is realized, the color changing function is realized by adopting a mode of pushing the matching structure 221 to move by cam rotation, compared with a transmission mode of a screw rod nut, the strength problem caused by the fact that the screw rod is lengthened is solved, the color changing stability can be effectively improved, the thread breakage rate and the equipment failure rate are reduced, the transmission structure 2421 does not need to be lengthened synchronously according to the needle bar frame 22, the occupied space of the whole color changing mechanism 24 is reduced, and the manufacturing cost can be reduced.

Referring to fig. 4, since the mating structure 221 abuts against the transmission structure 2421 and continuously slides in the groove 24213, so that there is a large friction with the transmission structure 2421, the mating structure 221 is externally sleeved with a rotating structure 2211 which can rotate around the axial direction of the mating structure 221, so that the sliding friction between the mating structure 221 and the transmission structure 2421 is changed into rolling friction to reduce the friction force therebetween, and the device is prevented from continuously operating to wear the two, thereby causing color change failure.

Referring to fig. 5, the thread stand assembly 3 includes a bottom plate 31, a thread stand 32, and a driving mechanism 33 for the thread stand 32, the thread stand 32 is used for placing embroidery threads, the bottom plate 31 is used for being fixedly connected with the frame 1, linear guide rails 311 are disposed on the bottom plate 31 at upper and lower ends of the thread stand, a slider 312 is disposed on the linear guide rails 311, upper and lower ends of the thread stand are fixed on the slider 312, so that the thread stand 32 can slide on the bottom plate 31 in a transverse direction, the driving mechanism 33 includes a mounting base 331, the mounting base 331 is fixed on the bottom plate 31, a first driving wheel 332 and a second driving wheel 333 are respectively disposed at two ends of the mounting base 331, the first driving wheel 332 and the second driving wheel 333 are driven by a second driving belt 334, a second driving motor 336 is connected to the first driving wheel 332, in this embodiment, a third driving belt is further disposed between the second driving motor 336 and the first driving wheel 332, the second conveyor belt 334 is fixed with a connecting piece 335, the thread stand 32 is fixed on the connecting piece 335, so that when the driving motor drives the conveyor belt to operate, the thread stand 32 is driven by the connecting piece 335 to move transversely on the bottom plate 31 to change the color of the thread stand, the thread stand 32 and the needle bar frame 22 move synchronously, the embroidery threads can be prevented from being pulled out to be long when the needle bar frame 22 moves far away, the embroidery threads are wound and knotted mutually, the thread stand 32 and the needle bar frame 22 move synchronously to change the color, the length of the embroidery threads can be kept consistent all the time, and the machine halt can not be caused.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments can be modified, or some technical features can be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (9)

1. The combined type super multicolor embroidery machine comprises a rack (1), a head part (2) and a thread stand part (3) which are arranged on the rack (1), wherein the thread stand part (3) is arranged above the head part (2) and can transversely move relative to the rack (1), the head part (2) comprises a head assembly (21) fixed on the rack, a plurality of needle bar frames (22) which are arranged side by side and can transversely move, a thread clamp (23) arranged on the needle bar frames (22) and a color changing mechanism (24) for driving the needle bar frames (22) to transversely move for changing colors, and the combined type super multicolor embroidery machine is characterized in that the color changing mechanism (24) comprises a first driving motor (241) fixed on the head assembly (21) and a transmission mechanism (242) for connecting the needle bar frames (22) and the first driving motor (241), and the transmission mechanism (242) comprises a transmission structure (2421) connected with the first driving motor (241), The needle bar rack is characterized by comprising a matching structure (221) fixed on the needle bar rack (22), the transmission structure (2421) rotates around the axis direction of the transmission structure under the driving of the first driving motor (241), and the matching structure (221) is in sliding fit with the transmission structure (2421) so that the matching structure (221) rotates left or right along with the transmission structure (2421).

2. The combined type multicolor embroidery machine according to claim 1, wherein the transmission mechanism (242) is provided with a transmission shaft (2422), the transmission shaft (2422) is movably arranged on the head assembly (21) and is in transmission connection with the first driving motor (241) through a first conveyor belt (2423), and the transmission structure (2421) is sleeved on the transmission shaft (2422) and can rotate along the axial direction of the transmission shaft (2422).

3. A combined multicolor embroidery machine according to claim 2, wherein the matching structure (221) is provided as a plurality of cylindrical protruding structures arranged at intervals along the length direction of the needle bar frame (22), one side surface of the transmission structure (2421) extends inwards along the length direction thereof with a first pushing part (24211), the first pushing part (24211) is positioned at the left side of the matching structure (221) and the inner side surface of the first pushing part abuts against the matching structure (221), the inner side surface of the first pushing part (24211) is obliquely arranged so that the first pushing part (24211) abuts against the matching structure (221) and moves rightwards when the transmission structure (2421) rotates until the first pushing part (24211) abuts against the left side of the adjacent matching structure (221).

4. A combined multicolor embroidery machine according to claim 3, wherein a second pushing part (24212) extends inwards from the other side surface of the transmission structure (2421) along the length direction of the transmission structure, the second pushing part (24212) is located at the right side of the matching structure (221) and the inner side surface of the second pushing part abuts against the matching structure (221), the inner side surface of the second pushing part (24212) is obliquely arranged and is in the same direction with the inner side surface of the first pushing part (24211), so that when the transmission structure (2421) rotates, the second pushing part (24212) abuts against the matching structure (221) and moves leftwards until the second pushing part (24212) abuts against the adjacent right side of the matching structure (221).

5. The combined type multicolor embroidery machine according to claim 4, wherein the transmission structure (2421) is provided as a cam-shaped structure sleeved on the transmission shaft (2422), the transmission structure (2421) is recessed inwards along the circumferential direction to form a groove (24213), the first pushing part (24211) and the second pushing part (24212) are formed by protruding outwards along the groove (24213), and the matching structure (221) is located in the groove (24213).

6. A combined multicolor embroidery machine according to claim 5, characterized in that the engaging structure (221) is externally sleeved with a rotating structure (2211) capable of rotating around the axial direction of the engaging structure (221), and the rotating structure (2211) is in sliding fit with the transmission structure (2421).

7. The combined type multicolor embroidery machine as claimed in claim 1, wherein a head housing (211) is provided at both sides of the head assembly (21), color changing guide rails (212) extending along the length direction of the head housing (211) are respectively provided at the upper and lower ends of the head housing, and the needle bar frame (22) is slidably provided on the color changing guide rails (212).

8. A combined multicolour embroidery machine according to claim 1, characterized in that said thread stand member (3) comprises a base plate (31) fixedly connected to said frame (1), a thread stand (32) for placing embroidery thread, a driving mechanism (33) for driving said thread stand (32) to move transversely, the wire frame (32) is arranged on the bottom plate (31) in a sliding manner, the driving mechanism (33) comprises a mounting seat (331) fixed on the bottom plate (31), a first driving wheel (332) and a second driving wheel (333) are respectively arranged at two ends of the mounting seat (331), the first transmission wheel (332) and the second transmission wheel (333) are transmitted by a second transmission belt (334), and the first driving wheel (332) is connected with a second driving motor (336), a connecting piece (335) is fixed on the conveying belt (334), and the connecting piece (335) is fixedly connected with the wire frame (32).

9. A combined multicolor embroidery machine according to claim 8, characterized in that at least one linear guide (311) is arranged on the base plate (31), a slide block (312) is slidably arranged on the linear guide (311), and the thread stand (32) is fixed on the slide block (312).

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