Thread trimming assembly and computerized embroidery machine
By designing an independent thread cutting mechanism in the computer embroidery machine, the problems of low embroidery efficiency and poor quality caused by the unified control of the thread cutting system in the existing technology are solved, and the stability of thread cutting and embroidery efficiency are improved.
Patent Information
- Application Number
- CN202421794836.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-26
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-07-26
AI Technical Summary
Due to the unified control of the thread cutting system of the existing computer embroidery machine, the head scissors that do not embroider frequently enter and exit, causing the inner thread press to be brought out, affecting the quality and efficiency of the embroidery.
A wire-cutting assembly is designed, including an independent first wire-cutting mechanism and a second wire-cutting mechanism. Each mechanism consists of an independent wire-cutting rod and unit to ensure the independent operation of each wire-cutting unit and avoid mutual influence.
Through an independent thread cutting unit, the stability of thread cutting is ensured, the embroidery efficiency is improved, and the problem of internal pressure thread being brought out due to frequent in and out of scissors is avoided.
Smart Images
Figure CN222961740U_ABST
Abstract
Description
Technical Field
[0001] The utility model generally relates to the technical field of computer embroidery machines, and particularly relates to a thread trimming assembly and a computer embroidery machine. Background Art
[0002] In the technical field of computer embroidery machines, the thread trimming system is a core component of embroidery, and the quality and efficiency of embroidered products will be directly affected by the quality and layout of the thread trimming action.
[0003] In the related art, most of the thread trimming mechanisms are uniformly controlled by a single pull rod. When the machine needs to perform skip-stitch embroidery or is a hybrid machine, half of the heads do not perform embroidery. However, since all the scissors are controlled by a single pull rod, when trimming the thread frequently, due to the frequent movement of the scissors in and out, the bobbin thread heads pressed by the inner pressing pieces of the scissors of the non-embroidering heads will be taken out, resulting in the inability to bring up the bobbin thread when this part of the heads perform embroidery, and normal embroidery cannot be carried out. Summary of the Utility Model
[0004] This application expects to provide a thread trimming assembly and a computer embroidery machine, which are at least used to ensure the thread trimming stability of each thread trimming unit and greatly improve the embroidery efficiency.
[0005] The utility model provides a thread trimming assembly, including: a first thread trimming mechanism and a second thread trimming mechanism.
[0006] The first thread trimming mechanism includes a first thread trimming pull rod and N first units, N≥1, and N is a positive integer. Each first unit includes at least one first cutter connection component, and each first cutter connection component includes a first cutter connecting piece, and the first thread trimming pull rod makes the first cutter connecting piece move.
[0007] The second thread trimming mechanism includes a second thread trimming pull rod and M second units, M≥1, and M is a positive integer. Each second unit includes at least one second cutter connection component, and each second cutter connection component includes a second cutter connecting piece, and the second thread trimming pull rod makes the second cutter connecting piece move.
[0008] When N==M==1, the second unit and the first unit are arranged side by side along the first direction; or,
[0009] When N≥2, M≥2, the second unit and the first unit are arranged alternately along the first direction.
[0010] As an implementable mode, when N≥2, M≥2,
[0011] The first unit includes one first cutter connection component, and the second unit includes one second cutter connection component. The second unit and the first unit are arranged alternately along the first direction.
[0012] As an implementable mode, when N≥2 and M≥2,
[0013] The first unit includes two of the first cutter connection components, and the second unit includes two of the second cutter connection components. The second unit and the first unit are alternately arranged along the first direction.
[0014] As an implementable mode, when N≥2 and M≥2,
[0015] The first unit includes one of the first cutter connection components, and the second unit includes two of the second cutter connection components, or
[0016] The first unit includes two of the first cutter connection components, and the second unit includes one of the second cutter connection components. The second unit and the first unit are alternately arranged along the first direction.
[0017] As an implementable mode, when N = M = 1,
[0018] The first unit includes a plurality of the first cutter connection components arranged at intervals along the first direction, and the second unit includes a plurality of the second cutter connection components arranged at intervals along the first direction.
[0019] As an implementable mode, the first thread cutting mechanism further includes a first thread cutting box, and the second thread cutting mechanism further includes a second thread cutting box. The first thread cutting box and the second thread cutting box are arranged at a distance from each other, and N of the first units and M of the second units are both located therebetween.
[0020] As an implementable mode, a first pull rod bracket and a second pull rod bracket are further included.
[0021] The first pull rod bracket corresponds to the first cutter connection components one by one, and the second pull rod bracket corresponds to the second cutter connection components one by one.
[0022] The first pull rod bracket is the same as the second pull rod bracket. The first pull rod bracket is provided with a first mounting hole for the first thread cutting pull rod to pass through and a second mounting hole for the second thread cutting pull rod to pass through.
[0023] As an implementable mode, a bushing is further included. One bushing is provided between the first thread cutting pull rod and the first mounting hole. Another bushing is provided between the second thread cutting pull rod and the second mounting hole.
[0024] The present utility model further provides a computerized embroidery machine, including the above-mentioned thread cutting assembly.
[0025] In the above solution, the first thread cutting pull rod and the first unit of the present application form an independent thread cutting unit, and the second thread cutting pull rod and the second unit form another independent thread cutting unit. The two thread cutting units are independent of each other and will not affect each other. In this way, the thread cutting stability of each thread cutting unit can be ensured, and the embroidery efficiency is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Other features, objects, and advantages of the present application will become more apparent by reading the detailed description of the non-limiting embodiments with reference to the following drawings:
[0027] Figure 1 Schematic perspective view of the first thread cutting assembly provided by an embodiment of the present utility model;
[0028] Figure 2 Top view of the first thread cutting assembly provided by an embodiment of the present utility model;
[0029] Figure 3 For Figure 2 Partial enlarged view;
[0030] Figure 4 Schematic structural view of the first thread cutting mechanism of the first thread cutting assembly provided by an embodiment of the present utility model;
[0031] Figure 5 Schematic structural view of the second thread cutting mechanism of the first thread cutting assembly provided by an embodiment of the present utility model;
[0032] Figure 6 Schematic structural view of the first thread cutting mechanism of the second thread cutting assembly provided by an embodiment of the present utility model;
[0033] Figure 7 Schematic structural view of the second thread cutting mechanism of the second thread cutting assembly provided by an embodiment of the present utility model;
[0034] Figure 8 Schematic structural view of the first thread cutting mechanism of the third thread cutting assembly provided by an embodiment of the present utility model;
[0035] Figure 9 Schematic structural view of the first thread cutting mechanism of the third thread cutting assembly provided by an embodiment of the present utility model;
[0036] Figure 10 Schematic structural view of the second thread cutting mechanism of the fourth thread cutting assembly provided by an embodiment of the present utility model;
[0037] Figure 11 Schematic structural view of the first thread cutting mechanism of the fourth thread cutting assembly provided by an embodiment of the present utility model;
[0038] The first thread cutting mechanism 10, the first unit 100, the first cutter connection assembly 101, the first cutter connecting piece 11, the first pull rod connecting block 12, the first cutter shaft 13, the first thread cutting pull rod 14, the first thread cutting box 15;
[0039] The second thread cutting mechanism 20, the second unit 200, the second cutter connection assembly 201, the second thread cutting pull rod 24, the second thread cutting box 25;
[0040] The first pull rod bracket 31, the first mounting hole 311, the second mounting hole 312, the second pull rod bracket 32;
[0041] The bobbin case 40, the first bobbin case 41, the second bobbin case 42, the bushing 50. Specific embodiments
[0042] The present application will be further described in detail below with reference to the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the relevant utility model and do not limit the utility model. In addition, it should be noted that for the convenience of description, only the parts related to the utility model are shown in the drawings.
[0043] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application will be described in detail below with reference to the drawings and embodiments.
[0044] The computerized embroidery machine includes a frame (not shown), a plurality of heads (not shown), a plurality of bobbin cases 40 and a thread cutting assembly. The frame includes a girder (not shown) and a lower frame. Along the length direction of the girder, a plurality of heads are arranged at equal intervals. Along the length direction of the lower frame, a plurality of bobbin cases 40 are arranged at equal intervals.
[0045] As Figures 1 - 2 shown, in the left - right direction, a plurality of bobbin cases 40 are arranged at equal intervals on the lower frame (the cross - beams in Figures 1 and 2 are partial views of the lower frame).
[0046] Among them, the bobbin case 40 corresponds to the head one by one, and the bobbin case 40 is located directly below the head. The bobbin case 40 includes a first bobbin case 41 and a second bobbin case 42.
[0047] The thread cutting assembly includes: a first thread cutting mechanism 10 and a second thread cutting mechanism 20.
[0048] The first thread cutting mechanism 10 includes a first thread cutting pull rod 14 and N first units 100, N≥1, and N is a positive integer. The length of the first thread cutting pull rod 14 extends along the left - right direction.
[0049] The first unit 100 includes at least one first cutter connection component 101, and the first cutter connection component 101 corresponds to the first bobbin case 41 one by one. Each first cutter connection component 101 includes a first cutter connecting piece 11, a first cutter shaft 13 and a first pull rod connection block 12.
[0050] As Figure 3 shown, the first pull rod connection block 12 is provided with a through hole, and the first pull rod connection block 12 is sleeved on the first thread cutting pull rod 14 through the through hole. The first cutter connecting piece 11 is connected to the first pull rod connection block 12, and the first cutter connecting piece 11 is connected to the lower end of the first cutter shaft 13 in the vertical direction. The upper end of the first cutter shaft 13 is used to connect a first cutter (not shown).
[0051] When the first thread cutting pull rod 14 moves in the left - right direction, it drives the first cutter connecting piece 11 to move through the first pull rod connection block 12. Thus, the first cutter connecting piece 11 drives the first cutter shaft 13 to rotate self - rotatably, so that the first cutter can cooperate with the bobbin of the first bobbin case 41 to cut the thread.
[0052] The second thread cutting mechanism 20 includes a second thread cutting pull rod 24 and M second units 200, where M≥1 and M is a positive integer. The length of the second thread cutting pull rod 24 extends in the left - right direction. That is to say, the second thread cutting pull rod 24 is parallel to the first thread cutting pull rod 14, and the two are spaced apart in the front - back direction. The second thread cutting pull rod 24 and the first thread cutting pull rod 14 are at the same height. Of course, it can be understood that the second thread cutting pull rod 24 and the first thread cutting pull rod 14 may not be at the same height.
[0053] As Figure 1 and Figure 2 shown, the second unit 200 includes at least one second cutter connection component 201, and the second cutter connection component 201 corresponds to the second bobbin case 42 one by one. Each second cutter connection component 201 includes a second cutter connecting piece (not labeled), a second cutter shaft (not labeled) and a second pull rod connection block (not labeled).
[0054] The connection structure between the second cutter connection component 201 and the second thread cutting pull rod 24 is the same as the connection structure between the first cutter connection component 101 and the first thread cutting pull rod 14. Therefore, referring to the above description, it will not be elaborated here.
[0055] When N = M = 1 as above, as Figure 10As shown, that is, the first thread cutting mechanism 10 includes a first thread cutting pull rod 14 and a first unit 100. The first unit 100 includes a plurality of first cutter connecting components 101. The plurality of first cutter connecting components 101 are arranged at intervals in the left-right direction (the first direction C1), and the distance between any two adjacent first cutter connecting components 101 is L1. Among them, the first pull rod connecting block 12 in each first cutter connecting component 101 is sleeved on the first thread cutting pull rod 14.
[0056] As Figure 11 shown, the second thread cutting mechanism 20 includes a second thread cutting pull rod 24 and a second unit 200. The second unit 200 includes a plurality of second cutter connecting components 201. The plurality of second cutter connecting components 201 are arranged at intervals in the left-right direction (the first direction C1), and the distance between any two adjacent second cutter connecting components 201 is L2, and L2 = L1. Among them, the second pull rod connecting block in each second cutter connecting component 201 is sleeved on the second thread cutting pull rod 24.
[0057] As Figure 10 and Figure 11 shown, a plurality of first cutter connecting components 101 are located on the left side of the lower frame, and a plurality of second cutter connecting components 201 are located on the right side of the lower frame. That is to say, a second unit 200 and a first unit 100 are arranged side by side in the left-right direction.
[0058] When the first thread cutting pull rod 14 moves in the left-right direction, the first cutter connecting member 11 in each first cutter connecting component 101 drives its corresponding first cutter shaft 13 to rotate self - sufficiently, so that the first cutter can cooperate with the rotary hook of the first rotary hook box 41 to cut the thread. At the current moment, the second thread cutting pull rod 24 can remain stationary, so that the second cutter connecting members in each second cutter connecting component 201 remain stationary. In this way, the rotary hook of the second rotary hook box 42 will not be affected, which helps the rotary hook of the second rotary hook box 42 to embroider stably with the machine head.
[0059] Similarly, when the second thread cutting pull rod 24 moves in the left - right direction, the second cutter connecting member in each second cutter connecting component 201 drives its corresponding second cutter shaft to rotate self - sufficiently, so that the second cutter can cooperate with the rotary hook of the second rotary hook box 42 to cut the thread. At the current moment, the first thread cutting pull rod 14 can remain stationary, so that the first cutter connecting members 11 in each first cutter connecting component 101 remain stationary. In this way, the rotary hook of the first rotary hook box 41 will not be affected, which helps the rotary hook of the first rotary hook box 41 to embroider stably with the machine head.
[0060] In summary, the first thread cutting pull rod 14 and the first unit 100 form an independent thread cutting unit, and the second thread cutting pull rod 24 and the second unit 200 form another independent thread cutting unit. The two thread cutting units are independent of each other and do not affect each other, which can ensure the thread cutting stability of each thread cutting unit and greatly improve the embroidery efficiency.
[0061] When N≥2 and M≥2, the second unit 200 and the first unit 100 are alternately arranged in the left-right direction (the first direction C1).
[0062] Optionally, as Figure 1 , Figure 2 , Figure 4 , Figure 5 shown, each first unit 100 includes a first cutter connection assembly 101, and each second unit 200 includes a second cutter connection assembly 201. A plurality of second units 200 and a plurality of first units 100 are alternately arranged in the left-right direction. Among them, the distance between any adjacent second unit 200 and first unit 100 can be equal.
[0063] Optionally, as Figure 6 and Figure 7 shown, each first unit 100 includes two first cutter connection assemblies 101, and the distance between the two first cutter connection assemblies 101 in the left-right direction can be L3. Each second unit 200 includes two second cutter connection assemblies 201, and the distance between the two second cutter connection assemblies 201 in the left-right direction can be L4, and L4 = L3. A plurality of second units 200 and a plurality of first units 100 are alternately arranged in the left-right direction. Among them, the distance between any adjacent second unit 200 and first unit 100 can be equal.
[0064] Optionally, as Figure 8 and Figure 9 shown, each first unit 100 includes two first cutter connection assemblies 101, and the distance between the two first cutter connection assemblies 101 in the left-right direction can be L5. Each second unit 200 includes a second cutter connection assembly 201. A plurality of second units 200 and a plurality of first units 100 are alternately arranged in the left-right direction. Among them, the distance between any adjacent second unit 200 and first unit 100 can be equal and is L5.
[0065] Of course, it can be understood that each first unit 100 may include a first cutter connection assembly 101, and each second unit 200 may include two second cutter connection assemblies 201.
[0066] In the following embodiments, each first unit 100 includes a first cutter connection component 101, and each second unit 200 includes a second cutter connection component 201. A plurality of second units 200 and a plurality of first units 100 are alternately arranged in the left-right direction, and the description is as follows:
[0067] As an implementable manner, the first wire cutting mechanism 10 further includes a first wire cutting box 15, and the second wire cutting mechanism 20 further includes a second wire cutting box 25. The first wire cutting box 15 and the second wire cutting box 25 are spaced apart, and N first units 100 and M second units 200 are both located therebetween.
[0068] As Figure 1 and Figure 2 shown, the first wire cutting box 15 is connected to the left side of the lower frame, and the second wire cutting box 25 is connected to the right side of the lower frame. With this arrangement, it is reasonably arranged and helps to improve the aesthetic degree of the lower frame.
[0069] Of course, it can be understood that the first wire cutting box 15 and the second wire cutting box 25 can be arranged on the right side of the lower frame at the same time, or on the left side.
[0070] Among them, the first wire cutting box 15 and the second wire cutting box 25 are the same. The first wire cutting box 15 includes a lead screw mechanism or a cam swing rod mechanism, and the lead screw mechanism or the cam swing rod mechanism drives the first wire cutting pull rod 14 to move left and right.
[0071] As an implementable manner, the wire cutting assembly further includes a first pull rod bracket 31 and a second pull rod bracket 32.
[0072] As Figures 1 - 3 shown, the first pull rod bracket 31 corresponds to the first cutter connection component 101 one by one, and the first pull rod bracket 31 is connected to the first shuttle box 41. The second pull rod bracket 32 corresponds to the second cutter connection component 201 one by one, and the second pull rod bracket 32 is connected to the second shuttle box 42.
[0073] The first pull rod bracket 31 is the same as the second pull rod bracket 32. As Figure 3 shown, the first pull rod bracket 31 is provided with a first mounting hole 311 for the first wire cutting pull rod 14 to pass through and a second mounting hole 312 for the second wire cutting pull rod 24 to pass through. In this way, the first pull rod bracket 31 can support the first wire cutting pull rod 14 and the second wire cutting pull rod 24 at the same time.
[0074] In addition, as Figure 3As shown, a bushing 50 is provided between the first thread cutting pull rod 14 and the first mounting hole 311, and a bushing 50 is provided between the second thread cutting pull rod 24 and the second mounting hole 312. The bushing 50 can be a bearing, which helps the first thread cutting pull rod 14 and the second thread cutting pull rod 24 to move in the left-right direction, and suppresses the movement influence of the first pull rod bracket 31 on the first thread cutting pull rod 14 and the second thread cutting pull rod 24.
[0075] The present utility model also provides a computerized embroidery machine, which includes the above-mentioned thread cutting assembly. The computerized embroidery machine has the advantages of the above-mentioned thread cutting assembly, so it will not be elaborated here.
[0076] It should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. in the above text is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model 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. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more.
[0077] The above description is only the preferred embodiment of the present application and the explanation of the applied technical principles. Those skilled in the art should understand that the scope of the utility model involved in the present application is not limited to the technical solutions formed by the specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept. For example, the technical solutions formed by mutually replacing the above features with the (but not limited to) technical features having similar functions disclosed in the present application.
Claims
1. A thread trimmer assembly, characterized in that: include: A first thread trimming mechanism (10), the first thread trimming mechanism (10) comprising a first thread trimming pull rod (14) and N first units (100), N≥1, N is a positive integer, the first unit (100) comprising at least one first cutter connection assembly (101), each of the first cutter connection assemblies (101) comprising a first cutter connection member (11), the first thread trimming pull rod (14) causing the first cutter connection member (11) to move; A second thread trimming mechanism (20), the second thread trimming mechanism (20) comprising a second thread trimming pull rod (24) and M second units (200), M≥1, M being a positive integer, the second unit (200) comprising at least one second cutter connection assembly (201), each second cutter connection assembly (201) comprising a second cutter connection member (21), the second thread trimming pull rod (24) causing the second cutter connection member (21) to move; When N==M=1, the second unit (200) and the first unit (100) are arranged in parallel along a first direction; or, When N≥2, M≥2, the second units (200) and the first units (100) are arranged alternately along the first direction.
2. The thread trimmer assembly according to claim 1, characterized in that: When N≥2, M≥2, The first unit (100) comprises a first cutter connection assembly (101), the second unit (200) comprises a second cutter connection assembly (201), and the second unit (200) and the first unit (100) are alternately arranged along the first direction.
3. The thread trimmer assembly according to claim 1, characterized in that: When N≥2, M≥2, The first unit (100) comprises two of the first cutter connection assemblies (101), the second unit (200) comprises two of the second cutter connection assemblies (201), and the second unit (200) and the first unit (100) are alternately arranged along the first direction.
4. The thread trimmer assembly according to claim 1, characterized in that: When N≥2, M≥2, The first unit (100) includes one first cutter connection assembly (101), and the second unit (200) includes two second cutter connection assemblies (201), or, The first unit (100) comprises two first cutter connection components (101), the second unit (200) comprises one second cutter connection component (201), and the second unit (200) and the first unit (100) are alternately arranged along the first direction.
5. The thread trimmer assembly according to claim 1, characterized in that: When N=M=1, The first unit (100) comprises a plurality of first cutter connection assemblies (101) arranged at intervals along the first direction, The second unit (200) comprises a plurality of second cutter connection assemblies (201) arranged at intervals along the first direction.
6. The thread trimmer assembly according to claim 1, characterized in that: The first wire cutting mechanism (10) further comprises a first wire cutting box (15), and the second wire cutting mechanism (20) further comprises a second wire cutting box (25); the first wire cutting box (15) and the second wire cutting box (25) are arranged to be spaced apart, and the N first units (100) and the M second units (200) are both located therebetween.
7. The thread trimmer assembly according to claim 1, characterized in that: It also includes a first tie rod bracket (31) and a second tie rod bracket (32), The first pull rod bracket (31) corresponds to the first cutter connection assembly (101) in one-to-one correspondence, and the second pull rod bracket (32) corresponds to the second cutter connection assembly (201) in one-to-one correspondence. The first pull rod bracket (31) is the same as the second pull rod bracket (32), and the first pull rod bracket (31) is provided with a first mounting hole (311) for the first wire trimming pull rod (14) to pass through, and a second mounting hole (312) for the second wire trimming pull rod (24) to pass through.
8. The thread trimmer assembly according to claim 7, characterized in that: Also includes a bushing (50), A bushing (50) is provided between the first thread trimming rod (14) and the first mounting hole (311), and another bushing (50) is provided between the second thread trimming rod (24) and the second mounting hole (312).
9. A computer embroidery machine, characterized in that: The invention comprises the thread trimming assembly according to any one of claims 1 to 8.