A multi-head embroidery machine color changing mechanism

Abstract

The utility model discloses a multi -head embroidery machine colour changing mechanism relates to embroidery equipment technical field, above -mentioned multi -head embroidery machine colour changing mechanism includes crossbeam, a plurality of embroidery assembly, a plurality of embroidery assembly is along crossbeam length direction arrangement distribution, and embroidery assembly includes embroidery machine head and needle bar box, and embroidery machine head is installed in crossbeam, and needle bar box can be on embroidery machine head along crossbeam length direction sliding, drive component, drive component includes connecting rod and drive part, and connecting rod is used for the series connection of a plurality of needle bar box, and drive part is used for driving connecting rod and reciprocating sliding along crossbeam length direction, when drive part drives one of needle bar box to slide on embroidery machine head, can realize synchronous drive all needle bar box's sliding, has solved the problem of space limitation, has improved transmission torque again simultaneously greatly.

Description

TECHNICAL FIELD

[0001] The utility model relates to embroidery equipment technical field more specifically, relate to a multi -head embroidery machine colour changing mechanism. BACKGROUND

[0002] The traditional embroidery machine colour changing device of the industry at present is two kinds generally: one is to adopt a bigger transmission box device, the inside of the box is the relatively long screw mechanism and drives the slider to move, through the way that the slider moves that direct current motor drives the screw rotation, the device volume is relatively huge, too occupies the space. Another is the step motor and transmission camshaft direct connection form drives the cam transmission, although the volume is small, but the transmission force is relatively small, can only drive 1 to 2 embroidery machine head's machine, if need to increase the torsion, must select the motor of bigger size, but because needle bar box has threader on the top, and the threader is inclined to the back and lead to the space in the middle of the rack upper beam is very limited, therefore the colour changing device enters the space that is very limited in this position, the space can not satisfy, and if adopting big transmission box device, because of the volume, so the colour changing mechanism can only be installed in the one end of the machine, lead to the total length of the machine is long, and the colour changing device can not be hidden, influence the appearance.

[0003] The purpose of the scheme we design is to drive the colour changing function of multi -head embroidery machine with the mechanism of smaller volume, the use scheme is to drive the cam rotation through a pair of gear transmission with direct current motor, to increase the cam torque, so as to realize the multi -head colour changing function

[0004] Summarized above, how to provide a kind of colour changing mechanism with smaller volume drives multiple colour changing mechanisms to complete colour changing movement, it is the urgent problem of the technical personnel in the field at present. Utility model content

[0005] Therefore, the utility model aims at providing a kind of multi -head embroidery machine colour changing mechanism, applicable to the position of narrow space, and can synchronously control multiple colour changing mechanisms to complete colour changing work.

[0006] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A kind of multi -head embroidery machine colour changing mechanism, comprising:

[0008] Crossbeam;

[0009] A plurality of embroidery components, a plurality of the embroidery components are arranged and distributed along the length direction of the crossbeam, the embroidery component includes embroidery machine head and needle bar box, the embroidery machine head is installed on the crossbeam, and the needle bar box can slide on the embroidery machine head along the length direction of the crossbeam;

[0010] A driving assembly, the driving assembly comprises a connecting rod and a driving piece, the connecting rod is used for connecting a plurality of needle bar boxes in series, and the driving piece is used for driving the connecting rod to reciprocate along the length direction of the cross beam.

[0011] The embroidery machine head is further provided with a guide rail extending along the length direction of the cross beam, a guide plate is slidably installed on the guide rail, the needle bar box is fixed to the guide plate, and the connecting rod is fixedly connected with the guide plates.

[0012] The driving assembly further comprises:

[0013] A bottom plate is installed on the embroidery machine head, and a rotating shaft is rotatably installed on the bottom plate.

[0014] The driving piece is used for controlling the rotation of the rotating shaft, and one of the needle bar boxes is controlled to slide on the embroidery machine head through the rotation of the rotating shaft.

[0015] The driving assembly further comprises:

[0016] A transmission cam is coaxially fixed to the rotating shaft.

[0017] A transmission pin is connected with the needle bar box.

[0018] When the transmission cam rotates, the transmission pin moves along a preset track on the transmission cam, thereby synchronously driving the needle bar box to slide on the embroidery machine head.

[0019] The driving assembly further comprises:

[0020] An installation plate is fixedly connected with the needle bar box, the transmission pin is a plurality of, and the plurality of transmission pins are installed on the installation plate and arranged at preset intervals along the length direction of the cross beam.

[0021] The driving assembly further comprises:

[0022] A transmission gear is coaxially installed on the rotating shaft.

[0023] An output gear is rotatably installed on the bottom plate and engaged with the transmission gear.

[0024] The diameter of the transmission gear is at least twice the diameter of the output gear, and the driving piece is used for driving the output gear to rotate.

[0025] The driving assembly further comprises:

[0026] worm wheel, the worm wheel is coaxial installation in the rotating shaft;

[0027] worm, the worm is rotationally installed in the bottom plate, and is engaged between the worm wheel;

[0028] The driving part is used for controlling the rotation of the worm.

[0029] The utility model further, the driving part adopts motor, the rotation of motor control the rotation of the output gear.

[0030] The utility model further, the driving assembly still includes:

[0031] Bottom plate, the bottom plate is installed in the embroidery machine head;

[0032] The driving part adopts electric cylinder;

[0033] When the electric cylinder telescopes, the needle bar box can be controlled to slide on the embroidery machine head.

[0034] The utility model provides a multi -head embroidery machine color changing mechanism, when using, crossbeam is installed on the frame, and several embroidery assemblies are arranged along the length direction of crossbeam, and the embroidery assembly includes embroidery machine head and needle bar box, the embroidery machine head is installed on the crossbeam, and the needle bar box can slide on the embroidery machine head along the length direction of crossbeam, driving assembly includes connecting rod and driving part, and the connecting rod is used to connect several needle bar boxes, and the driving part is used to drive the connecting rod to reciprocate along the length direction of crossbeam, that is to say, through the sliding of needle bar box on the embroidery machine head, and several needle bar boxes are connected by the same connecting rod, when the driving part drives one needle bar box to slide on the embroidery machine head, the sliding of all needle bar boxes can be realized simultaneously, thereby realizing the function of multi -head synchronous color changing, and the driving part with small volume is used as the driving source, and is installed in the narrow space between crossbeam and needle bar box, thereby solving the problem of limited space, and greatly improving transmission torque. BRIEF DESCRIPTION OF DRAWINGS

[0035] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, and obviously, the drawing in the following description is only the embodiment of the utility model, and for those skilled in the art, other drawings can be obtained according to the provided drawing without creating labor.

[0036] Figure 1 It is the structure schematic view of the structure provided by the utility model when being installed and used;

[0037] Figure 2 It is the structure schematic view of the structure provided by the utility model when being installed and used;

[0038] Figure 3 Structure diagram of the structure of the shaft side provided by the utility model is shown in the figure;

[0039] Figure 4 Structure diagram of the structure of the shaft side provided by the utility model when engaging is shown in the figure;

[0040] Figure 5 Structure diagram of the structure when engaging provided by the utility model is shown in the figure.

[0041] Figures 1-5 In the figure, reference signs include:

[0042] 1, beam; 2, embroidery assembly; 201, needle bar box; 202, embroidery head; 203, guide plate; 3, driving assembly; 301, connecting rod; 302, driving part; 303, transmission gear; 304, rotating shaft; 305, output gear; 306, transmission cam; 307, transmission pin; 308, mounting plate; 309, bottom plate. DETAILED DESCRIPTION

[0043] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0044] The core of the utility model is to provide a multi-head embroidery machine color changing mechanism, which is suitable for narrow space and can synchronously control multiple color changing mechanisms to complete color changing work.

[0045] Please refer to Figures 1-5 A multi-head embroidery machine color changing mechanism, comprising a beam 1, a plurality of embroidery assemblies 2 and a driving assembly 3, the plurality of embroidery assemblies 2 are arranged along the length direction of the beam 1, the embroidery assembly 2 comprises an embroidery head 202 and a needle bar box 201, the embroidery head 202 is installed on the beam 1, the needle bar box 201 can slide along the length direction of the beam 1 on the embroidery head 202, the driving assembly 3 comprises a connecting rod 301 and a driving part 302, the connecting rod 301 is used for connecting the plurality of needle bar boxes 201 in series, and the driving part 302 is used for driving the connecting rod 301 to reciprocate and slide along the length direction of the beam 1.

[0046] The embroidery head 202 is provided with a thread guide, and the driving assembly 3 is installed below the thread guide, and the driving assembly 3 adopts a small-size driving source, and the torque is improved through a mechanical structure mode, so that the color changing function of the plurality of embroidery heads 202 is driven by the small-size driving source, and the overall appearance of the equipment is improved.

[0047] In use, the crossbeam 1 is installed on a rack, and a plurality of embroidery assemblies 2 are arranged along the length direction of the crossbeam 1, the embroidery assembly 2 comprises an embroidery head 202 and a needle bar box 201, the embroidery head 202 is installed on the crossbeam 1, and the needle bar box 201 can slide on the embroidery head 202 along the length direction of the crossbeam 1, the driving assembly 3 comprises a connecting rod 301 and a driving piece 302, the connecting rod 301 is used for connecting a plurality of needle bar boxes 201 in series, and the driving piece 302 is used for driving the connecting rod 301 to reciprocate along the length direction of the crossbeam 1, that is, through the sliding of the needle bar box 201 on the embroidery head 202, and connecting the plurality of needle bar boxes 201 through the same connecting rod 301, when the driving piece 302 drives one of the needle bar boxes 201 to slide on the embroidery head 202, the sliding of all the needle bar boxes 201 can be simultaneously driven, so that the multi-head synchronous color changing function is realized, and meanwhile, the driving piece 302 with a small volume is used as a driving source and is installed in a small space between the crossbeam 1 and the needle bar box 201, so that the problem of limited space is solved, and the transmission torque is greatly improved.

[0048] Optionally, in some embodiments, the embroidery head 202 is provided with a guide rail extending along the length direction of the crossbeam 1, the guide rail is slidably installed with a guide plate 203, the needle bar box 201 is fixed to the guide plate 203, and the connecting rod 301 is fixedly connected with a plurality of guide plates 203, that is, through the cooperation of the guide rail and the guide plate 203, the sliding stability of the needle bar box 201 on the embroidery head 202 is kept, and the resistance in the sliding process is reduced, so that the power required by the driving source in the control process is reduced, and the size of the driving source is further reduced.

[0049] It should be noted that the limiting protrusions can be arranged at both ends of the guide plate 203 in the embodiments of the utility model, the movement position of the needle bar box 201 is limited through the limiting protrusions, and excessive movement of the needle bar box 201 is avoided.

[0050] Optionally, in order to further reduce the power required by the driving source in the control process, in some embodiments, the guide rail is provided with a groove, and the contact position of the guide plate 203 with the groove is installed with a roller, through the rolling of the roller, the friction of the guide plate 203 in the movement process is further reduced, and then the power required by the driving source in the control process is reduced, and the size of the driving source is reduced.

[0051] In some embodiments, the driving assembly 3 further comprises a bottom plate 309, the bottom plate 309 is installed on the embroidery machine head 202, the rotating shaft 304 is rotatably installed on the bottom plate 309, the driving member 302 is used to control the rotation of the rotating shaft 304, and the rotating shaft 304 is used to control the sliding of one of the needle bar boxes 201 on the embroidery machine head 202, that is, the sliding of the needle bar box 201 on the embroidery machine head 202 is controlled by the rotation of the rotating shaft 304 installed on the bottom plate 309.

[0052] Specifically, in some embodiments, the rotating shaft 304 can be provided with a threaded part at a position, a push block is matched with the threaded part, and the push block is fixedly connected with the guide plate 203. In this way, when the driving member 302 controls the rotation of the rotating shaft 304, the push block moves along the axis of the rotating shaft 304, thereby achieving the control of the position of the needle bar box 201.

[0053] In other embodiments, the driving assembly 3 further comprises a transmission cam 306 and a transmission pin 307, the transmission cam 306 is coaxially fixed to the rotating shaft 304, the transmission cam 306 is provided with a groove track, and the transmission pin 307 is connected with the needle bar box 201. When the transmission cam 306 rotates, the transmission pin 307 moves along the preset track on the transmission cam 306, thereby achieving the synchronous driving of the needle bar box 201 to slide on the embroidery machine head 202, that is, the transmission pin 307 is clamped in the groove on the transmission cam 306. When the transmission cam 306 rotates, the transmission pin 307 is displaced relative to the rotating shaft 304 under the action of the groove, thereby achieving the control of the movement of the needle bar box 201.

[0054] In order to improve the moving distance of the needle bar box 201, in some embodiments, the driving assembly 3 further comprises a mounting plate 308, the mounting plate 308 is fixedly connected with the needle bar box 201, the transmission pin 307 is provided in plurality, and the plurality of transmission pins 307 are installed on the mounting plate 308 and arranged at a preset interval along the length direction of the cross beam 1. Specifically, the transmission pin 307 can be provided in plurality, the mounting plate 308 is fixedly installed on the needle bar box 201, the plurality of transmission pins 307 are installed on the mounting plate 308, and the plurality of transmission pins 307 are arranged at a preset interval along the length direction of the cross beam 1. When the transmission cam 306 drives one of the transmission pins to move to the edge position of the transmission cam 306, the other transmission pin 307 is clamped into the groove of the transmission cam 306, thereby increasing the moving distance of the needle bar box 201.

[0055] Optionally, on the basis of the above-mentioned embodiments, in order to facilitate the control of the maximum moving distance of the needle bar box 201, in some embodiments, the transmission pin 307 is detachably mounted on the mounting plate 308, and when adjustment is needed, only the excess transmission pin 307 needs to be detached, since the moving distance of the needle bar box 201 is related to the maximum number of transmission pins 307, therefore, changing the number of transmission pins 307 can achieve the control of the moving distance of the needle bar box 201.

[0056] It should be noted that the dismounting mode of the transmission pin 307 in the embodiments of the present application can adopt a thread, specifically, a thread is arranged at the end of the transmission pin 307, and a threaded hole corresponding to the thread is arranged on the mounting plate 308.

[0057] When the above embodiments are adopted, in order to further improve the torque when the rotating shaft 304 is driven, in some embodiments, the driving assembly 3 further comprises a transmission gear 303 and an output gear 305, the transmission gear 303 is coaxially mounted on the rotating shaft 304, the output gear 305 is rotationally mounted on the bottom plate 309 and is in meshing with the transmission gear 303, the diameter of the transmission gear 303 is at least twice the diameter of the output gear 305, and the driving member 302 is used to drive the output gear 305 to rotate, that is, the output torque of the driving member 302 is improved by the meshing of two gears of different sizes, so as to further reduce the size of the driving member 302, so that it can be smoothly installed.

[0058] In other embodiments, other ways can be used to improve the torque, the driving assembly 3 further comprises a worm gear and a worm, the worm gear is coaxially mounted on the rotating shaft 304, the worm is rotationally mounted on the bottom plate 309 and is in meshing with the worm gear, and the driving member 302 is used to control the rotation of the worm, that is, the combination of the worm gear and the worm is used to achieve the purpose of increasing the torque.

[0059] Optionally, the worm gear, the worm combination and the transmission gear 303 and the output gear 305 can be used in combination, which can maximize the improvement of the torque and thus maximize the reduction of the size of the driving member 302, which is beneficial to the overall installation requirement of the equipment.

[0060] Optionally, the driving member 302 adopts a motor, the rotation of the motor controls the rotation of the output gear 305, and a stepping motor can be used as the driving source.

[0061] In other embodiments, a telescopic mechanism can be used as the driving source, specifically, the driving assembly 3 further comprises a bottom plate 309 and an electric cylinder, the bottom plate 309 is mounted on the embroidery machine head 202, and the electric cylinder is mounted on the bottom plate 309, when the electric cylinder is extended and retracted, it can control the sliding of the needle bar box 201 on the embroidery machine head 202.

[0062] In addition, the electric cylinder can be replaced by a hydraulic cylinder or a pneumatic cylinder.

[0063] That is, the utility model embodiment focuses on: a plurality of embroidery assemblies 2 are arranged along the length direction of the cross beam 1, the embroidery assembly 2 includes embroidery machine head 202 and needle bar box 201, the embroidery machine head 202 is installed to the cross beam 1, the needle bar box 201 can slide along the length direction of the cross beam 1 on the embroidery machine head 202, the driving assembly 3 includes connecting rod 301 and driving part 302, the connecting rod 301 is used to connect a plurality of needle bar boxes 201 in series, and the driving part 302 is used to drive the connecting rod 301 to reciprocate along the length direction of the cross beam 1, that is, through the sliding of the needle bar box 201 on the embroidery machine head 202, and the needle bar box 201 is connected by the same connecting rod 301, when the driving part 302 drives one needle bar box 201 to slide on the embroidery machine head 202, the sliding of all needle bar boxes 201 can be driven synchronously, so that the multi-head synchronous color changing function is realized, and the driving part 302 with small volume is used as the driving source and is installed in the narrow space between the cross beam 1 and the needle bar box 201, so that the problem of limited space is solved, and the transmission torque is greatly improved.

[0064] The embodiments in the specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same or similar parts of each embodiment can be referred to each other.

[0065] The multi-head embroidery machine color changing mechanism provided by the utility model is introduced in detail. The principle and implementation mode of the utility model are described by applying specific examples, and the description of the above embodiments is only used to help understand the method and core idea of the utility model. It should be pointed out that for ordinary skilled persons in the technical field, under the premise of not departing from the principle of the utility model, the utility model can be improved and modified in several ways, and these improvements and modifications also fall within the protection scope of the utility model claims.

Claims

1. A change mechanism for a multi-head embroidery machine, characterized in that, The embroidery machine comprises: a crossbeam (1); a plurality of embroidery assemblies (2) arranged along the length direction of the crossbeam (1), each of the embroidery assemblies (2) comprising an embroidery head (202) and a needle bar box (201), the embroidery head (202) being mounted on the crossbeam (1), and the needle bar box (201) being slidable on the embroidery head (202) along the length direction of the crossbeam (1); a driving assembly (3) comprising a connecting rod (301) and a driving member (302), the connecting rod (301) being used to connect the needle bar boxes (201) in series, and the driving member (302) being used to drive the connecting rod (301) to reciprocally slide along the length direction of the crossbeam (1); the driving assembly (3) further comprising: a bottom plate (309) mounted on the embroidery head (202), and a rotating shaft (304) rotatably mounted on the bottom plate (309); the driving member (302) being used to control the rotation of the rotating shaft (304) and control the sliding of one of the needle bar boxes (201) on the embroidery head (202) through the rotation of the rotating shaft (304); a transmission cam (306) coaxially fixed to the rotating shaft (304); a transmission pin (307) connected with the needle bar box (201); when the transmission cam (306) rotates, the transmission pin (307) moves along a preset track on the transmission cam (306), thereby synchronously driving the needle bar box (201) to slide on the embroidery head (202); a mounting plate (308) fixedly connected with the needle bar box (201), and a plurality of transmission pins (307) mounted on the mounting plate (308) and arranged at preset intervals along the length direction of the crossbeam (1), the transmission pin (307) being detachably mounted on the mounting plate (308).

2. A change mechanism for a multi-head embroidery machine according to claim 1, characterized in that, The embroidery head (202) is provided with a guide rail extending along the length direction of the crossbeam (1), the guide rail is provided with a guide plate (203) slidably mounted thereon, the needle bar box (201) is fixed to the guide plate (203), and the connecting rod (301) is fixedly connected with the guide plates (203).

3. A change mechanism for a multi-head embroidery machine according to claim 2, characterized in that, the driving assembly (3) further comprising: a transmission gear (303) coaxially mounted on the rotating shaft (304); an output gear (305) rotatably mounted on the bottom plate (309) and engaged with the transmission gear (303); the diameter of the transmission gear (303) is at least twice the diameter of the output gear (305), and the driving member (302) is used to drive the output gear (305) to rotate.

4. A change mechanism for a multi-head embroidery machine according to claim 3, characterized in that, the driving assembly (3) further comprising: a worm gear coaxially mounted on the rotating shaft (304); a worm rotatably mounted on the bottom plate (309) and engaged with the worm gear; The driving member (302) is used for controlling rotation of the worm.

5. A change mechanism for a multi-head embroidery machine according to claim 4, characterized in that, The driving member (302) adopts a motor, and rotation of the motor controls rotation of the output gear (305).

6. A change mechanism for a multi-head embroidery machine according to claim 1, characterized in that, The driving assembly (3) further comprises: A bottom plate (309) mounted on the embroidery machine head (202); The driving member (302) adopts an electric cylinder; When the electric cylinder is extended and retracted, the needle bar box (201) can be controlled to slide on the embroidery machine head (202).

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