Computer embroidery machine head and computer embroidery machine

Abstract

The present invention discloses a head of a computerized embroidery machine and a computerized embroidery machine. The head of the computerized embroidery machine includes a needle bar, a third transmission mechanism, and a clutch structure disposed between the needle bar and the third transmission member. The needle bar is disposed in a vertical direction; the third transmission mechanism includes a third transmission member located between the two ends of the needle bar. The clutch structure includes at least two clutch units, each of which includes a clutch portion and a clutch mating portion. One of the clutch portion and the clutch mating portion is connected to the needle bar, and the other is connected to the third transmission member. One of the at least two clutch units is in an engaged state, and the other is in a disengaged state. The clutch unit in the disengaged state prevents rotating auxiliary materials from interfering with the clutch unit. The clutch unit in the engaged state can keep the needle bar stationary. Before and after the clutch unit switches states, the state of the needle bar does not change, which helps the third transmission member to stably drive the needle bar to reciprocate in the vertical direction.

Description

Technical Field

[0001] The present invention relates to the technical field of computer embroidery machines, in particular to a head of a computer embroidery machine and the computer embroidery machine. Background Art

[0002] In the prior art, a material tray is used to transport a ribbon or other ribbon-like material to the area to be embroidered for coiling embroidery. The material tray is located below the machine head. Due to space constraints, the material tray is small in size, requiring operators to frequently replace the material tray.

[0003] Based on this, a computerized embroidery machine head is proposed, comprising a needle bar, a first accessory material stopper, a second accessory material stopper, and an accessory material rack. The first accessory material stopper comprises a first needle bar hole and a first accessory material stopper through hole, while the second accessory material stopper comprises a second needle bar hole and a second accessory material stopper through hole. The needle bar passes through the first accessory material stopper via the first needle bar hole and then passes through the second accessory material stopper via the second needle bar hole.

[0004] The auxiliary material rack is located above the needle bar and can rotate. The first and second auxiliary material stoppers rotate simultaneously. The rack, the first and second auxiliary material stoppers can rotate in exactly the same direction and at roughly the same speed. The auxiliary material discharged from the rack passes through the first and second auxiliary material stopper holes and can rotate infinitely 360° clockwise or counterclockwise around the needle bar.

[0005] However, the relevant mechanism driving the needle bar to reciprocate in the vertical direction is prone to interference with the auxiliary material rotating 360° around the needle bar. Summary of the Invention

[0006] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, one object of the present invention is to provide a head of a computerized embroidery machine and a computerized embroidery machine that prevents interference between the mechanism driving the needle bar to reciprocate in the vertical direction and the auxiliary material rotating 360° around the needle bar.

[0007] The head of a computer embroidery machine according to an embodiment of the first aspect of the present invention includes a needle bar, a third transmission mechanism, and a clutch structure provided between the needle bar and the third transmission member.

[0008] The needle rod is arranged in the vertical direction;

[0009] The third transmission mechanism includes a third transmission member located between the two ends of the needle rod, and the third transmission member reciprocates along the axis direction of the needle rod;

[0010] The clutch structure includes at least two clutch units, each of which includes a clutch portion and a clutch matching portion, one of which is connected to the needle rod, and the other is connected to the third transmission member.

[0011] The clutch unit has an engaged state and a disengaged state. When the clutch unit is in the engaged state, the clutch part and the clutch engaging part engage with each other; when the clutch unit is in the disengaged state, the clutch part and the clutch engaging part disengage from each other. One of the at least two clutch units is in the engaged state and the other is in the disengaged state.

[0012] This embodiment utilizes a clutch structure disposed between the needle bar and the third transmission member. The clutch structure includes at least two clutch units, one of which is in an engaged state and the other in a disengaged state. The disengaged clutch unit prevents interference with the rotating auxiliary material, while the engaged clutch unit keeps the needle bar stationary. The state of the needle bar remains unchanged before and after the clutch unit switches states, helping the third transmission member to stably drive the needle bar in vertical reciprocating motion.

[0013] According to some embodiments of the present invention, when the at least two clutch units are two clutch units, the two clutch units are symmetrically arranged about the needle rod axis.

[0014] According to some embodiments of the present invention, when the at least two clutch units are multiple clutch units, the multiple clutch units include at least two first clutch units and at least two second clutch units, when the first clutch unit is in the engaged state, the second clutch unit is in the disengaged state; when the first clutch unit is in the disengaged state, the second clutch unit is in the engaged state.

[0015] According to some embodiments of the present invention, the first clutch units are arranged at equal intervals around the needle rod axis, the second clutch units are arranged at equal intervals around the needle rod axis, and the first clutch units and the second clutch units are arranged in an alternating manner.

[0016] According to some embodiments of the present invention, the plurality of clutch units include a first clutch unit, a second clutch unit, and a third clutch unit that are sequentially and evenly spaced around the needle rod axis.

[0017] When the first clutch unit is in the disengaged state, the second clutch unit is in the engaged state, and the third clutch unit is in the engaged state;

[0018] When the second clutch unit is in the disengaged state, the third clutch unit is in the engaged state, and the first clutch unit is in the engaged state;

[0019] When the third clutch unit is in the disengaged state, the first clutch unit is in the engaged state, and the second clutch unit is in the engaged state.

[0020] According to some embodiments of the present invention, the third transmission member is provided with a clutch portion, and the needle rod is provided with a clutch matching portion.

[0021] The clutch portion is an inserting protrusion extending in a direction perpendicular to the needle rod axis, the clutch fitting portion is an inserting slot, the inserting protrusion is inserted and fitted into the inserting slot, or,

[0022] The clutch part is a first electromagnet, and the clutch matching part is a second electromagnet. The first electromagnet and the second electromagnet are magnetically attracted to each other when power is turned on, and are separated from each other when power is turned off. The direction of the magnetic attraction is perpendicular to the axial direction of the needle rod.

[0023] According to some embodiments of the present invention, a fourth transmission mechanism is further included, which includes a fourth transmission member connected to the interlocking protrusion, and the fourth transmission member reciprocates along the extension direction of the interlocking protrusion to drive the interlocking protrusion to engage with the interlocking slot, or to disengage from each other.

[0024] According to some embodiments of the present invention, the fourth transmission member is provided with a protrusion mounting hole for mounting the interlocking protrusion and a guide strip hole extending along the axis direction of the needle rod, and the guide strip hole is connected to the protrusion mounting hole.

[0025] According to some embodiments of the present invention, a cam is further included, and the third transmission mechanism further includes a third connecting member connected to the third transmission member, and the cam causes the third transmission member to reciprocate in the vertical direction through the third connecting member.

[0026] A computer embroidery machine according to an embodiment of a second aspect of the present invention includes the head of the computer embroidery machine in the first aspect.

[0027] Additional aspects and advantages of the invention will be set forth in the description which follows, will be obvious from the description, or may be learned by practice of the invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of the embodiments with reference to the accompanying drawings, in which:

[0029] Figure 1 2. It is a schematic structural diagram of a machine head of a computer embroidery machine according to an embodiment of the present invention;

[0030] Figure 2 2 is a schematic diagram of the installation of the first auxiliary material limiting member and the second auxiliary material limiting member according to an embodiment of the present invention;

[0031] Figure 3 This is a partial schematic diagram of a head of a computer embroidery machine according to an embodiment of the present invention. Figure 1 ;

[0032] Figure 4 yes Figure 3 Explosion diagram of

[0033] Figure 5 This is a partial schematic diagram of a head of a computer embroidery machine according to an embodiment of the present invention. Figure 2 ;

[0034] Figure 6 yes Figure 5 Explosion diagram of

[0035] Figure 7 Schematic diagram of the arrangement of two clutch units according to an embodiment of the present invention Figure 1 ;

[0036] Figure 8 Schematic diagram of the arrangement of two clutch units according to an embodiment of the present invention Figure 2 ;

[0037] Figure 9 is a schematic diagram of the arrangement of four clutch units according to an embodiment of the present invention;

[0038] Figure 10 is a schematic diagram of the arrangement of three clutch units according to an embodiment of the present invention;

[0039] Figure 11 is a structural schematic diagram of a clutch block according to an embodiment of the present invention;

[0040] Reference numerals:

[0041] Needle bar 10, needle 11, clutch block 12, first clutch mating portion 121a, second clutch mating portion 121b;

[0042] The auxiliary material limiting member 20, the first auxiliary material limiting member 20a, the first needle bar hole 21a, the first auxiliary material limiting portion 22a, the second auxiliary material limiting member 20b, the second needle bar hole 21b, and the second auxiliary material limiting portion 22b;

[0043] Auxiliary material rack 70;

[0044] The third transmission mechanism 80, the third transmission member 81, the protruding through hole 811, the guide hole 812, the first clutch portion 813a, the second clutch portion 813b, the third connecting member 82, and the third guide shaft 83;

[0045] Fourth transmission mechanism 90, fourth transmission member 91, protruding mounting hole 911, guide bar hole 912, cylinder 92;

[0046] The first clutch unit A, the second clutch unit B, and the third clutch unit C. DETAILED DESCRIPTION

[0047] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0048] The disclosure below provides many different embodiments or examples for realizing different structures of the present invention. In order to simplify the disclosure of the present invention, the components and settings of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. In addition, the present invention may repeat reference numbers and / or letters in different examples. This repetition is for the purpose of simplicity and clarity and does not in itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the present invention provides examples of various specific processes and materials, but those skilled in the art will appreciate the applicability of other processes and / or the use of other materials.

[0049] like Figure 1 and Figure 2 As shown, the head of the computerized embroidery machine is provided with two auxiliary material limiting members 20: a first auxiliary material limiting member 20a and a second auxiliary material limiting member 20b. The first auxiliary material limiting member 20a and the second auxiliary material limiting member 20b are substantially identical. The first auxiliary material limiting member 20a and the second auxiliary material limiting member 20b are sequentially spaced apart in the C1 direction.

[0050] like Figure 5 As shown, the first auxiliary material stopper 20a includes a first needle bar hole 21a and a first auxiliary material stopper 22a, and the second auxiliary material stopper 20b includes a second needle bar hole 21b and a second auxiliary material stopper 22b. The needle bar 10 passes through the first auxiliary material stopper 20a through the first needle bar hole 21a, and the needle bar 10 passes through the second auxiliary material stopper 20b through the second needle bar hole 21b. The first needle bar hole 21a and the second needle bar hole 21b are clearance-matched with the needle bar 10, so that the movement of the needle bar 10 in the C1 direction is not restricted or constrained by the first and second needle bar holes 10.

[0051] The first auxiliary material limiting portion 22a is a first limiting through hole, and the second auxiliary material limiting portion 22b is a second limiting through hole. The first and second limiting through holes are adapted to the auxiliary material so that the auxiliary material can pass through.

[0052] In the present case, the auxiliary material rack 70 can rotate, and the first auxiliary material stopper 20a and the second auxiliary material stopper 20b can rotate simultaneously. The auxiliary material rack 70, the first auxiliary material stopper 20a, and the second auxiliary material stopper 20b can rotate in the same or substantially the same direction and speed. The auxiliary material output from the auxiliary material rack 70 passes through the first and second auxiliary material stopper holes and can rotate infinitely 360 degrees clockwise or counterclockwise around the needle bar 10.

[0053] However, the relevant mechanism driving the needle bar to reciprocate in the vertical direction is prone to interference with the auxiliary material rotating 360° around the needle bar.

[0054] Based on this, the head of the computer embroidery machine provided by the first aspect of the present invention can avoid the above problems.

[0055] like Figure 3-Figure 11 As shown, the head of the computer embroidery machine of the first aspect includes a needle bar 10, a third transmission mechanism 80 and a clutch structure.

[0056] The needle bar 10 is arranged in the vertical direction;

[0057] The third transmission mechanism 80 includes a third transmission member 81 located between the two ends of the needle rod 10;

[0058] The clutch structure is provided between the third transmission member 81 and the needle bar 10. The clutch structure includes at least two clutch units. The clutch unit includes a clutch portion and a clutch mating portion. One of the clutch portion and the clutch mating portion is connected to the needle bar 10, and the other is connected to the third transmission member 81.

[0059] The clutch unit has an engaged state and a disengaged state. When the clutch unit is in the engaged state, the clutch portion and the clutch engaging portion engage with each other; when the clutch unit is in the disengaged state, the clutch portion and the clutch engaging portion disengage from each other.

[0060] One of the at least two clutch units is in an engaged state, and the other is in a disengaged state.

[0061] It should be noted that the vertical direction is the C1 direction, and the needle rod 10 is arranged along the C1 direction.

[0062] like Figure 1 As shown, the needle bar 10 includes a needle 11, and the two ends of the needle bar 10 can be understood as the top of the needle bar 10 and the needle 11. The third transmission member 81 is located between the two ends of the needle bar 10, that is, the third transmission member 81 is located in the area between the top of the needle bar 10 and the needle 11. At the same time, the third transmission member 81 can be located at the top of the needle bar 10, and the third transmission member 81 can be located at the needle 11.

[0063] In actual application, the third transmission member 81 reciprocates in the vertical direction ( C1 ), and thus the third transmission member 81 can drive the needle rod 10 to reciprocate in the vertical direction.

[0064] Specifically, a clutch structure is provided between the third transmission member 81 and the needle bar 10. The clutch structure includes at least two clutch units, each of which includes a clutch portion and a clutch mating portion, one of which is connected to the needle bar 10 and the other is connected to the third transmission member 81.

[0065] Take the clutch structure with two clutch units: the first clutch unit A and the second clutch unit B as an example. Figure 3-8 As shown:

[0066] like Figure 7 and Figure 8 As shown, the first clutch unit A includes a first clutch matching portion 121a and a first clutch portion 813a, and the second clutch unit B includes a second clutch matching portion 121b and a second clutch portion 813b. Figure 4 and Figure 6 As shown, the needle bar 10 includes a clutch block 12, which is mounted on the top of the needle bar 10. The clutch block 12 is provided with a first clutch engaging portion 121a and a second clutch engaging portion 121b. The third transmission member 81 can be a frame-shaped structure or an annular structure, and is arranged to surround the clutch block 12. The third transmission member 81 is provided with a first clutch portion 813a and a second clutch portion 813b.

[0067] like Figure 8 As shown, when the first clutch unit A is in the engaged state, the second clutch unit B is in the disengaged state, the first clutch engaging portion 121a and the first clutch portion 813a engage with each other, and the second clutch engaging portion 121b and the second clutch portion 813b disengage from each other; Figure 7 As shown, when the first clutch unit A is in a disengaged state, the second clutch unit B is in an engaged state, the first clutch engaging portion 121a and the first clutch portion 813a are disengaged from each other, and the second clutch engaging portion 121b and the second clutch portion 813b are engaged with each other.

[0068] When the head of the computer embroidery machine is working, in order to improve the embroidery effect, the auxiliary material needs to rotate around the needle rod 10.

[0069] like Figure 7 As shown, before the auxiliary material rotating around the needle rod 10 contacts the first clutch portion 813a, the first clutch unit A is in a disengaged state, that is, the first clutch portion 813a and the first clutch engaging portion 121a are disengaged from each other, so that the auxiliary material does not interfere with the first clutch unit A. At this moment, the second clutch unit B is in an engaged state, that is, before the first clutch portion 813a and the first clutch engaging portion 121a are completely disengaged, the second clutch portion 813b and the second clutch engaging portion 121b have already completed engagement, or, before the first clutch portion 813a and the first clutch engaging portion 121a are completely disengaged, the second clutch portion 813b and the second clutch engaging portion 121b have already engaged, but the engagement between the two has not yet been completed.

[0070] like Figure 8As shown, before the auxiliary material rotating around the needle rod 10 contacts the second clutch portion 813b, the second clutch unit B is in a disengaged state, that is, the second clutch portion 813b and the second clutch engaging portion 121b are disengaged from each other, so that the auxiliary material does not interfere with the second clutch unit B. At this moment, the first clutch unit A is in an engaged state, that is, before the second clutch portion 813b and the second clutch engaging portion 121b are completely disengaged, the first clutch portion 813a and the first clutch engaging portion 121a have already been engaged, or before the second clutch portion 813b and the second clutch engaging portion 121b are completely disengaged, the first clutch portion 813a and the first clutch engaging portion 121a have been engaged, but the engagement between the two has not yet been completed.

[0071] In this way, the arrangement of the first clutch unit A and the second clutch unit B can minimize the number of clutch units, which helps to reduce production costs; during the switching process between the disengaged state and the engaged state, the first clutch unit A and the second clutch unit B keep the needle bar 10 stationary, which helps the third transmission member 81 to stably drive the needle bar 10 to reciprocate in the vertical direction.

[0072] It should be noted that when the auxiliary material rotating around the needle rod 10 moves between the first clutch unit A and the second clutch unit B, the first clutch unit A and the second clutch unit B can both be in a mating state, or one of the first clutch unit A and the second clutch unit B can be in a mating state.

[0073] Furthermore, if Figure 7 and Figure 8 As shown, the needle bar 10 is a cylindrical rod, with the first clutch unit A and the second clutch unit B arranged symmetrically about the axis of the needle bar 10. This means that the first clutch engaging portion 121a and the second clutch engaging portion 121b form a 180° angle around the circumference of the needle bar 10. Correspondingly, the first clutch portion 813a and the second clutch portion 813b form a 180° angle around the circumference of the needle bar 10. This arrangement allows the auxiliary material to rotate 360°, which helps reduce the number of times the first clutch unit A switches between the engaged and disengaged states, and helps reduce the number of times the second clutch unit B switches between the engaged and disengaged states.

[0074] Of course, it is understandable that the angle between the first clutch unit A and the second clutch unit B in the circumferential direction of the needle rod 10 is 90°, 145°, etc.

[0075] Take the clutch structure with 4 clutch units: 2 first clutch units A and 2 second clutch units B as an example:

[0076] like Figure 9As shown, when both first clutch units A are in the engaged state, both second clutch units B are in the disengaged state; when both first clutch units A are in the disengaged state, both second clutch units B are in the engaged state. For example, when both first clutch units A are in the engaged state, the needle bar 10 is acted upon by the two first clutch parts 813a, which helps the needle bar 10 to stably reciprocate in the vertical direction. Similarly, when both second clutch units B are in the engaged state, the needle bar 10 is acted upon by the two second clutch parts 813b, which helps the needle bar 10 to stably reciprocate in the vertical direction.

[0077] The working modes of the first and second clutch units are described with reference to the above embodiments, so they will not be described in detail again.

[0078] Furthermore, if Figure 9 As shown, the first clutch units A are arranged at equal intervals around the axis of the needle rod 10, and the second clutch units B are arranged at equal intervals around the axis of the needle rod 10. The first clutch units A and the second clutch units B are arranged alternately.

[0079] With such arrangement, the force applied by each first clutch part 813a to the needle rod 10 makes the needle rod 10 bear the force better; the force applied by each second clutch part 813b to the needle rod 10 makes the needle rod 10 bear the force better, further helping the needle rod 10 to stably reciprocate in the vertical direction.

[0080] It should be noted that three first clutch units A and three second clutch units B may be provided, or four first clutch units A and four second clutch units B may be provided, which are not listed one by one in this embodiment.

[0081] Take the clutch structure as an example, which has three clutch units: the first clutch unit A, the second clutch unit B and the third clutch unit C.

[0082] like Figure 10 As shown, the first clutch unit A, the second clutch unit B and the third clutch unit C are sequentially arranged around the axis of the needle rod 10 and are evenly spaced in the circumferential direction of the needle rod 10 .

[0083] When the first clutch unit A is in the disengaged state, the second clutch unit B is in the engaged state, and the third clutch unit C is in the engaged state;

[0084] When the second clutch unit B is in the disengaged state, the third clutch unit C is in the engaged state, and the first clutch unit A is in the engaged state;

[0085] When the third clutch unit C is in the disengaged state, the first clutch unit A is in the engaged state, and the second clutch unit B is in the engaged state.

[0086] Of course, it can be understood that the first clutch unit A, the second clutch unit B and the third clutch unit C are arranged in sequence around the axis of the needle rod 10. In the circumferential direction of the needle rod 10, the angle between the first clutch unit A and the second clutch unit B can be different from the angle between the second clutch unit B and the third clutch unit C, or the angle between the first clutch unit A and the second clutch unit B can be different from the angle between the third clutch unit C and the first clutch unit A, and so on.

[0087] In summary, the present application provides a clutch structure disposed between the needle bar and the third transmission member, wherein the clutch structure includes at least two clutch units, one of which is in an engaged state and the other in a disengaged state. The clutch unit in the disengaged state prevents the rotating auxiliary material from interfering with the clutch unit, while the clutch unit in the engaged state enables the needle bar to remain stationary. The state of the needle bar remains unchanged before and after the clutch unit switches state, thereby facilitating the third transmission member to stably drive the needle bar to reciprocate in the vertical direction.

[0088] In some embodiments of the present invention, a clutch portion is provided on the third transmission member 81, and a clutch matching portion is provided on the needle bar 10.

[0089] The clutch portion is an inserting protrusion extending in a direction perpendicular to the axis of the needle rod 10, and the clutch matching portion is an inserting slot, and the inserting protrusion is inserted and matched with the inserting slot, or,

[0090] The clutch part is the first electromagnet, and the clutch matching part is the second electromagnet. The first electromagnet and the second electromagnet are magnetically attracted to each other when power is on, and are separated from each other when power is off. The direction of magnetic attraction is perpendicular to the axial direction of the needle rod 10.

[0091] In one embodiment, the third transmission member 81 is provided with first and second clutch parts, and the needle bar 10 is provided with first and second clutch matching parts. The first clutch part 813a and the second clutch part 813b are identical, and the first clutch matching part 121a and the second clutch matching part 121b are identical.

[0092] Take the first clutch portion 813a and the first clutch matching portion 121a as an example:

[0093] like Figure 4 and Figure 6 As shown, the third transmission member 81 is provided with a first clutch portion 813a, which is an interlocking projection extending perpendicular to the axis of the needle bar 10. The needle bar 10 is provided with a first clutch engagement portion 121a, which is an interlocking slot into which the interlocking projection interlocks. This arrangement allows the interlocking engagement between the clutch portions to smoothly switch the clutch unit between engaged and disengaged states.

[0094] In another specific embodiment, the third transmission member 81 is provided with a first clutch portion 813a, which is a first electromagnet. A first clutch engagement portion 121a, which is a second electromagnet, is provided on the side wall of the needle bar 10. The first and second electromagnets are magnetically attracted to each other when energized and disengaged when de-energized, with the direction of magnetic attraction being perpendicular to the axis of the needle bar 10. This arrangement allows electromagnetic interaction between the clutch portions to smoothly switch the clutch unit between engaged and disengaged states.

[0095] The following embodiments are described using the first clutch portion 813a and the first clutch matching portion 121a as examples.

[0096] In some embodiments of the present invention, the head of the computerized embroidery machine further includes a fourth transmission mechanism 90. The fourth transmission mechanism 90 includes a fourth transmission member 91 connected to the interlocking protrusion, and the fourth transmission member 91 reciprocates along the extending direction of the interlocking protrusion to drive the interlocking protrusion to engage with the interlocking slot, or to disengage from each other.

[0097] Specifically, if Figure 4 and Figure 6 As shown, the fourth transmission mechanism 90 includes a fourth transmission member 91 and a cylinder 92. The cylinder 92 drives the fourth transmission member 91 to reciprocate along the extending direction of the inserting protrusion.

[0098] The fourth transmission member 91 is provided with a protrusion mounting hole 911 for mounting the interlocking protrusion. The fourth transmission member 91 also includes a guide bar hole 912 extending along the axis of the needle bar 10, and the guide bar hole 912 is connected to the protrusion mounting hole 911. The side wall of the third transmission member 81 is provided with a protrusion through-hole 811, through which the interlocking protrusion can pass and engage with or disengage the interlocking slot on the needle bar 10.

[0099] When the needle rod 10 reciprocates in the vertical direction, the interlocking protrusion can move from the protrusion mounting hole 911 to the guide bar hole 912. The guide bar hole 912 guides and cooperates with the interlocking protrusion, so that the interlocking protrusion moves along the axis of the needle rod 10. In this arrangement, on the one hand, the interlocking protrusion is interlocked with the interlocking slot, and on the other hand, the interlocking protrusion is guided and cooperates with the guide bar hole 912. The two movements of the interlocking protrusion do not interfere with each other.

[0100] In some embodiments of the present invention, the head of the computer embroidery machine includes a cam. The third transmission mechanism 80 further includes a third connecting member 82 connected to the third transmission member 81, and the cam causes the third transmission member 81 to reciprocate in the vertical direction through the third connecting member 82.

[0101] Specifically, the third transmission mechanism 80 further includes a third guide shaft 83, the axis of which is parallel to the axis of the needle rod 10. The third transmission member 81 is provided with a guide hole 812, which is in guiding engagement with the third guide shaft 83. This arrangement ensures that the third transmission member 81 remains horizontal at all times during its vertical movement, through the guiding engagement between the third guide shaft 83 and the guide hole 812. This prevents the third transmission member 81 from accidentally tilting, which would hinder the interlocking engagement between the interlocking protrusion and the interlocking slot.

[0102] A second aspect of the computer embroidery machine provided according to the present invention includes the head of the computer embroidery machine of the first aspect.

[0103] This computerized embroidery machine has the advantages of a computerized embroidery machine head. The present application provides a clutch structure between the needle bar and the third transmission member. The clutch structure includes at least two clutch units, one of which is in an engaged state and the other in a disengaged state. The clutch unit in the disengaged state prevents the rotating auxiliary material from interfering with the clutch unit, while the clutch unit in the engaged state enables the needle bar to remain stationary. The state of the needle bar remains unchanged before and after the clutch unit switches state, which helps the third transmission member to stably drive the needle bar to reciprocate in the vertical direction.

[0104] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0105] In the description of the present invention, "first feature" or "second feature" may include one or more of the features.

[0106] In the description of the present invention, "plurality" means two or more.

[0107] In the description of the present invention, a first feature being “on” or “under” a second feature may include the first and second features being in direct contact with each other, or the first and second features not being in direct contact with each other but being in contact with each other via another feature therebetween.

[0108] In the description of the present invention, “on”, “above” and “above” a first feature of a second feature include the first feature being directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature.

[0109] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, illustrative uses of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0110] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to the embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the claims and their equivalents.

Claims

1. A head of a computer embroidery machine, characterized in that: include: A needle bar (10), the needle bar being arranged in a vertical direction; a third transmission mechanism (80), the third transmission mechanism (80) comprising a third transmission member (81) located between two ends of the needle rod (10); A clutch structure is provided between the needle bar (10) and the third transmission member (81), wherein the clutch structure comprises at least two clutch units, wherein the clutch unit comprises a clutch portion and a clutch fitting portion, wherein one of the clutch portion and the clutch fitting portion is connected to the needle bar (10), and the other is connected to the third transmission member (81). The clutch unit has an engaged state and a disengaged state. When the clutch unit is in the engaged state, the clutch portion and the clutch engaging portion engage with each other; when the clutch unit is in the disengaged state, the clutch portion and the clutch engaging portion disengage from each other. One of the at least two clutch units is in an engaged state, and the other is in a disengaged state.

2. The head of the computer embroidery machine according to claim 1, characterized in that: When the at least two clutch units are two clutch units, the two clutch units are symmetrically arranged about the axis of the needle rod (10).

3. The head of the computer embroidery machine according to claim 1, characterized in that: When the at least two clutch units are multiple clutch units, the multiple clutch units include at least two first clutch units and at least two second clutch units. When the first clutch unit is in the engaged state, the second clutch unit is in the disengaged state; when the first clutch unit is in the disengaged state, the second clutch unit is in the engaged state.

4. The head of the computer embroidery machine according to claim 3, characterized in that: The first clutch units are arranged at equal intervals around the axis of the needle rod (10), and the second clutch units are arranged at equal intervals around the axis of the needle rod (10). The first clutch units and the second clutch units are arranged in an alternating manner.

5. The head of the computer embroidery machine according to claim 1, characterized in that: The plurality of clutch units include a first clutch unit, a second clutch unit and a third clutch unit which are arranged in sequence and at equal intervals around the axis of the needle rod (10). When the first clutch unit is in the disengaged state, the second clutch unit is in the engaged state, and the third clutch unit is in the engaged state; When the second clutch unit is in the disengaged state, the third clutch unit is in the engaged state, and the first clutch unit is in the engaged state; When the third clutch unit is in the disengaged state, the first clutch unit is in the engaged state, and the second clutch unit is in the engaged state.

6. The head of a computer embroidery machine according to any one of claims 1 to 5, characterized in that: The third transmission member (81) is provided with a clutch portion, and the needle rod (10) is provided with a clutch matching portion. The clutch portion is an inserting protrusion (813) extending in a direction perpendicular to the axis of the needle rod (10), the clutch fitting portion is an inserting slot (131), the inserting protrusion (813) is insertably fitted with the inserting slot (131), or, The clutch part is a first electromagnet, and the clutch matching part is a second electromagnet. The first electromagnet and the second electromagnet are magnetically attracted to each other when power is on, and are separated from each other when power is off, wherein the direction of the magnetic attraction is perpendicular to the axial direction of the needle rod (10).

7. The head of the computer embroidery machine according to claim 6, characterized in that: The invention also includes a fourth transmission mechanism (90), wherein the fourth transmission mechanism (90) includes a fourth transmission member (91) connected to the interlocking protrusion (813), and the fourth transmission member (91) reciprocates along the extension direction of the interlocking protrusion (813) to drive the interlocking protrusion (813) to engage with the interlocking slot (131), or to disengage from each other.

8. The head of the computer embroidery machine according to claim 7, characterized in that: The fourth transmission member (91) is provided with a protrusion mounting hole (911) for mounting the interlocking protrusion (813) and a guide strip hole (912) extending along the axis direction of the needle rod (10), and the guide strip hole (912) is connected to the protrusion mounting hole (911).

9. The head of the computer embroidery machine according to claim 1, characterized in that: The third transmission mechanism (80) further includes a cam, and the third transmission member (81) further includes a third connecting member (82) connected to the third transmission member (81). The cam causes the third transmission member (81) to reciprocate along the axial direction of the needle rod (10) through the third connecting member (82).

10. A computer embroidery machine, characterized in that: A head of a computer embroidery machine comprising any one of claims 1 to 9.

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