Direct connection machine head of horse head embroidery machine
By adopting a direct-connected head design in the horse head embroidery machine and directly driving the needle rod and presser rod using the spindle and connecting rod system, the problem of large space occupied by the driving mechanism in the existing technology is solved, and the parts in the casing are realized Compact layout and driving efficiency improvement.
Patent Information
- Application Number
- CN202411470599.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-21
- Publication Date
- 2024-12-13
AI Technical Summary
The driving mechanism of the existing horse head embroidery machine takes up a large space, resulting in the layout of the internal parts of the cabinet being not compact, affecting the compactness of the overall equipment.
采用直连机头设计,通过主轴带动压脚凸轮和机头凸轮,直接驱动针杆和压脚杆,取消了单独的驱动机构,利用连杆和导向杆系统优化压脚和针杆的运动, Achieve compact parts layout.
It realizes the compact layout of the parts in the casing, improves the overall compactness of the equipment, and improves the driving efficiency and convenience of the needle rod and presser rod.
Smart Images

Figure CN119121525A_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of horse-head embroidery machines, and in particular to a direct-connected machine head of a horse-head embroidery machine. Background Art
[0002] The horse head embroidery machine is a textile equipment used to perform embroidery operations on textiles. It is usually composed of an embroidery frame, embroidery needles, embroidery threads, control systems and other parts, and can perform automated or semi-automated embroidery production through preset patterns or designs.
[0003] The head of the horse head embroidery machine is an important part of the embroidery machine, which mainly includes a casing, a main shaft, a needle bar rack, a guide plate, a needle bar and a presser foot. Usually a driving mechanism is arranged on the casing to drive the needle bar and the presser foot to move.
[0004] In the prior art, an independent driving mechanism is used to drive the presser foot to move, which requires a separate motor, cam and connecting rod for driving. The separate driving mechanism occupies a large space, while the internal space of the embroidery machine casing is limited, which is not conducive to the compact layout of the overall parts. Summary of the invention
[0005] In order to solve the problem that a separately set driving mechanism occupies a large space and is not conducive to the compact layout of the overall parts, the present application provides a direct-connected machine head of a horse head embroidery machine.
[0006] The direct-connected head of a horse-head embroidery machine provided in this application adopts the following technical solution: A direct-connected head of a horse-head embroidery machine comprises a mounting plate and a main shaft, wherein the mounting plate is arranged on a horse-head frame, a casing is arranged on one side of the mounting plate, the main shaft is rotatably mounted on the casing and is connected to a main shaft motor on the horse-head frame, a presser foot cam is coaxially arranged on the main shaft, a presser foot assembly is arranged on the casing, the presser foot assembly comprises a presser foot connecting piece and a presser foot lifting piece, the presser foot lifting piece is slidably mounted on the casing, the presser foot lifting piece is used to drive the presser foot rod to move, the presser foot connecting piece is arranged on the casing and connected to the presser foot cam, the presser foot connecting piece drives the presser foot lifting piece to move, a head cam is coaxially arranged on the main shaft, a driver for driving the needle bar to move is arranged on the casing, the head cam drives the driver to move, a thread taking-up mechanism is arranged on the casing, and a thread hooking mechanism is arranged on one side of the casing.
[0007] By adopting the above technical scheme, the main shaft rotates with the main shaft motor, driving the presser foot cam to rotate, the presser foot cam drives the presser foot lifting member to move via the presser foot connecting member, the presser foot lifting member drives the presser foot rod to move, and at the same time, the head cam on the main shaft drives the driver to move, and the driver drives the needle bar to move. The needle bar and the presser foot rod are driven on the same main shaft, and there is no need to set up a separate driving mechanism in the casing. The overall layout of the parts in the casing is compact.
[0008] Optionally, the presser foot connecting member includes a cam connecting rod and a connecting rod shaft, the presser foot cam is provided with a first rolling groove, one end of the cam connecting rod moves along the first rolling groove, the connecting rod shaft is rotatably mounted on the casing and connected to one end of the cam connecting rod, and one end of the connecting rod shaft is connected to the presser foot lifting member through a connecting rod member.
[0009] By adopting the above technical solution, when the presser foot cam rotates, it drives one end of the cam connecting rod to move along the first rolling groove of the presser foot cam, the cam connecting rod drives the connecting rod shaft to rotate, the connecting rod shaft drives one side of the connecting rod member and then drives the presser foot lifting member to move up and down, and the rotation amplitude of the connecting rod shaft is small.
[0010] Optionally, the presser foot lifting member includes a lifting frame and a lifting block, a first guide rod is provided on the housing, the lifting frame is slidably installed on the first guide rod, the lifting frame is connected to the connecting rod, and the lifting block is provided on one side of the lifting frame.
[0011] By adopting the above technical solution, the connecting rod drives the lifting frame to move along the first guide rod, the lifting block on one side of the lifting frame drives the presser foot rod on the needle bar frame to move, and the first guide rod guides the movement of the lifting frame to reduce the probability of the presser foot deviation on the lower side of the presser foot rod.
[0012] Optionally, the connecting rod member includes a long connecting rod and a short connecting rod, the long connecting rod is arranged at one end of the connecting rod shaft, the short connecting rod is rotatably installed at one end of the long connecting rod, and one end of the short connecting rod is rotatably connected to the lifting frame.
[0013] By adopting the above technical solution, the connecting rod shaft rotates into a deflection reciprocating motion, which drives the long connecting rod to rotate, and the long connecting rod drives the short connecting rod to rotate and then drives the lifting frame to move up and down reciprocatingly. The operation is convenient through the long and short connecting rods.
[0014] Optionally, the driver includes a drive frame and a drive block, a second guide rod is provided on the casing, the drive frame is slidably mounted on the second guide rod, the drive block is arranged on the drive frame, a starting rod is rotatably mounted on one side of the drive frame, and one end of the starting rod is rotatably connected to the machine head cam.
[0015] By adopting the above technical solution, the rotation of the machine head cam drives the starting rod to rotate, the starting rod drives the driving frame to move, and the driving block on one side of the driving frame drives the needle bar to slide up and down, making the operation of driving the needle bar more convenient.
[0016] Optionally, the driving block is rotationally connected to the driving frame, a torsion spring is provided on the driving frame, a top block for pushing the needle rod to move is provided on one side of the driving block, and a jumping mechanism for pushing the driving block to rotate is provided on the casing.
[0017] By adopting the above technical solution, the jumping mechanism pushes the driving block to rotate. At this time, the top block on the driving block rotates to separate from the top rod, and the needle bar frame moves to change the line. After the line change is completed, the torsion spring drives the driving frame to rotate back to its original position. At this time, the top block is located at the limit block on one side of the needle bar, which is convenient for color changing.
[0018] Optionally, the jumping mechanism includes a jumping plate and an electromagnetic connecting block, a jumping motor is arranged on the casing, the electromagnetic connecting block is arranged at the output shaft of the jumping motor, the jumping plate is arranged at one side of the electromagnetic connecting block, a torsion spring is arranged at the electromagnetic connecting block, and a limiting rubber baffle ring is arranged on the casing.
[0019] By adopting the above technical solution, the jumping motor drives the electromagnetic connection block to rotate, the electromagnetic connection block drives the jumping board to rotate, and one side of the jumping board pushes the driving block to rotate, which makes the operation of driving the driving block to rotate more convenient.
[0020] Optionally, the thread taking-up mechanism includes a first thread taking-up link and a second thread taking-up link, the first thread taking-up link is rotatably mounted on the casing, the second thread taking-up link is connected to one end of the first thread taking-up link, a second roller is provided at one end of the first thread taking-up link, and a second rolling groove for the second roller to slide is provided on the circumferential side wall of the machine head cam.
[0021] By adopting the above technical solution, when the machine head cam rotates, the first thread taking-up connecting rod is driven to swing back and forth through the second roller, and then the second thread taking-up connecting rod is driven to swing, and one end of the second thread taking-up connecting rod pushes the thread taking-up rod to take up the thread, and the thread taking-up rod moves synchronously with the driving frame, and the thread feeding effect is better.
[0022] Optionally, the hooking mechanism includes a hooking knife and a connecting plate, a guide rail seat is provided on one side of the casing, the connecting plate is slidably installed on the guide rail seat, the hooking knife is provided on one side of the connecting plate, and a driving mechanism for driving the connecting plate to move is provided on one side of the casing.
[0023] By adopting the above technical solution, the driving mechanism drives the connecting piece to move along the guide rail seat and then drives the hook knife to move to hook the line, limits the movement of the hook knife, and reduces the shaking generated during the movement.
[0024] Optionally, the driving mechanism includes a wire hooking motor, a first wire hooking connecting rod and a second wire hooking connecting rod, the wire hooking motor is arranged on one side of the casing, one end of the first wire hooking connecting rod is arranged at the output shaft of the wire hooking motor, one end of the second wire hooking connecting rod is rotatably connected to one end of the first wire hooking connecting rod, one end of the second wire hooking connecting rod is rotatably connected to the connecting plate, a torsion spring is arranged at the first wire hooking connecting rod, and a limiting rubber retaining ring is arranged on one side of the casing.
[0025] By adopting the above technical solution, the wire hooking motor drives the first wire hooking connecting rod to rotate and drives the second wire hooking connecting rod to rotate. One end of the second wire hooking connecting rod pushes the connecting plate to move. When the wire hooking is completed, the output shaft of the wire hooking motor rotates, and the torsion spring drives the first wire hooking connecting rod to reset. One end of the first wire hooking connecting rod is pressed against the limiting rubber baffle ring to facilitate the next wire hooking.
[0026] In summary, the present application includes at least one of the following beneficial technical effects: 1. The main shaft drives the presser foot cam to rotate, the presser foot cam drives the presser foot lifting member to move through the presser foot connecting member, the presser foot lifting member drives the presser foot rod to move, and at the same time, the head cam on the main shaft drives the driver to move, and the driver drives the needle bar to move. The needle bar and the presser foot rod are driven on the same main shaft, and there is no need to set up a separate driving mechanism in the casing. The overall layout of the parts in the casing is compact; 2. When the machine head cam rotates, it drives the first thread take-up connecting rod to swing back and forth, and then drives the second thread take-up connecting rod to swing to push the thread take-up. The thread take-up rod and the driving frame move synchronously, and the thread feeding effect is better; 3. The connecting piece moves along the guide rail seat to drive the hook knife to move to hook the line, limit the movement of the hook knife, and reduce the shaking during the movement. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] Figure 1 It is a three-dimensional structural schematic diagram of this application.
[0028] Figure 2 It is a schematic diagram of the three-dimensional structure of the inner side of the shell of the present application.
[0029] Figure 3 It is a three-dimensional structural schematic diagram of the presser foot assembly of the present application.
[0030] Figure 4 It is a schematic diagram of a partial explosion structure of the driver and jumping mechanism of the present application.
[0031] Figure 5 It is a three-dimensional structural schematic diagram of the thread taking-up mechanism of the present application.
[0032] Figure 6 It is a schematic diagram of the exploded structure of the wire hooking mechanism of the present application.
[0033] Those skilled in the art will appreciate that the elements in the drawings are shown for simplicity and clarity and are not necessarily drawn to scale. For example, the size and position of some elements in the drawings may be magnified relative to other elements to help improve understanding of the embodiments of the present invention.
[0034] Figure numerals: 1, mounting plate; 11, housing; 111, first guide rod; 112, second guide rod; 113, guide rail seat; 12, mounting hole; 2, main shaft; 21, presser foot cam; 211, first rolling groove; 22, head cam; 221, second rolling groove; 23, conjoined bearing; 3, presser foot lifting member; 31, lifting frame; 311, lifting positioning block; 32, lifting block; 4, presser foot connecting member; 41, cam connecting rod; 411, first roller; 42, connecting rod shaft; 43, connecting rod member; 431, long connecting rod; 432, short connecting rod; 5, driver; 51, driving frame; 511 , driving positioning block; 5111, limiting plate; 512, torsion spring; 52, driving block; 521, tightening rod; 522, top block; 53, bearing seat; 54, starting rod; 6, jumping mechanism; 61, jumping plate; 611, folding plate; 62, electromagnetic connecting block; 63, jumping motor; 64, limiting rubber baffle ring; 7, thread taking-up mechanism; 71, first thread taking-up connecting rod; 711, second roller; 72, second thread taking-up connecting rod; 73, mounting seat; 8, thread hooking mechanism; 81, hooking knife; 82, connecting piece; 9, driving mechanism; 91, thread hooking motor; 92, first thread hooking connecting rod; 93, second thread hooking connecting rod. DETAILED DESCRIPTION
[0035] The present application is further described in detail below in conjunction with the accompanying drawings.
[0036] The present application embodiment discloses a direct-connected head of a horse head embroidery machine, referring to Figure 1 and Figure 2 , including a mounting plate 1 and a main shaft 2, the mounting plate 1 is vertically arranged at one end of the horse head frame, a casing 11 is arranged on one side of the mounting plate 1, the main shaft 2 is rotatably mounted on the casing 11, one end of the main shaft 2 passes through the mounting plate 1 and is connected to the main shaft motor on the horse head frame, a presser foot cam 21 is coaxially arranged on the main shaft 2, a presser foot assembly is arranged on the casing 11, the presser foot assembly includes a presser foot connector 4 and a presser foot lifting member 3, the presser foot lifting member 3 is slidably installed on the casing 11, the presser foot lifting member 3 is used to drive the presser foot rod to move, the presser foot connector 4 is arranged on the casing 11 and connected to the presser foot cam 21, the main shaft 2 rotates with the main shaft motor, driving the presser foot cam 21 to rotate, the presser foot cam 21 drives the presser foot lifting member 3 to move via the presser foot connector 4, and the presser foot lifting member 3 drives the presser foot rod to move.
[0037] Reference Figure 1 and Figure 2A head cam 22 is coaxially arranged on the main shaft 2, a driver 5 for driving the needle bar to move is arranged on the casing 11, the head cam 22 drives the driver 5 to move, a thread taking-up mechanism 7 is arranged on the casing 11, and a thread hooking mechanism 8 is arranged on one side of the casing 11. The head cam 22 on the main shaft 2 drives the driver 5 to move, and the driver 5 drives the needle bar to move. The needle bar and the presser foot rod are driven on the same main shaft 2, and there is no need to separately set a set of driving mechanism 9 in the casing 11. The overall layout of the parts in the casing 11 is compact.
[0038] Reference Figure 2 and Figure 3 A one-piece bearing 23 is provided between the main shaft 2 and the housing 11, a mounting hole 12 is provided on the mounting plate 1, the presser foot cam 21 is located at the mounting hole 12 of the mounting plate 1, the presser foot connector 4 includes a cam connecting rod 41 and a connecting rod shaft 42, the connecting rod shaft 42 is rotatably mounted on the housing 11, the connecting rod shaft 42 and the main shaft 2 are parallel to each other, the cam connecting rod 41 is arranged at one end of the connecting rod shaft 42 and is perpendicular to the connecting rod shaft 42, and the cam connecting rod 41 and the connecting rod shaft 42 are fixedly connected by a shaft sleeve, A first roller 411 is provided at one end of the cam connecting rod 41, and a first rolling groove 211 is opened on the side surface of the presser foot cam 21 facing the casing 11. The first roller 411 at one end of the cam connecting rod 41 rolls along the first rolling groove 211. When the main shaft 2 drives the presser foot cam 21 to rotate, the first roller 411 rolls along the first rolling groove 211 of the presser foot cam 21 and then drives the cam connecting rod 41 to rotate. The cam connecting rod 41 drives the connecting rod shaft 42 to rotate, and the rotational motion of the connecting rod shaft 42 is a deflected reciprocating motion.
[0039] Reference Figure 3 A connecting rod member 43 is provided at one end of the connecting rod shaft 42 away from the cam connecting rod 41. The connecting rod member 43 includes a long connecting rod 431 and a short connecting rod 432. The long connecting rod 431 is provided at one end of the connecting rod shaft 42 and is distributed perpendicular to the connecting rod shaft 42. The long connecting rod 431 is fixedly connected to the connecting rod shaft 42 through a bushing. The short connecting rod 432 is rotatably installed at one end of the long connecting rod 431, and the short connecting rod 432 is vertically provided.
[0040] Reference Figure 3 The presser foot lifting member 3 includes a lifting frame 31 and a lifting block 32. A first guide rod 111 is vertically arranged on the casing 11 at a side away from the mounting plate 1. The lifting frame 31 is vertically slidably installed on the first guide rod 111. The upward end of the lifting frame 31 is rotatably connected to the downward end of the short connecting rod 432. The lifting block 32 is arranged on the side of the lifting frame 31 away from the mounting plate 1.
[0041] The rotation of the connecting rod shaft 42 drives the long connecting rod 431 to rotate, and the long connecting rod 431 drives the short connecting rod 432 to rotate, thereby driving the lifting frame 31 to move back and forth up and down along the first guide rod 111. The lifting block 32 on one side of the lifting frame 31 drives the presser foot rod on the needle bar frame to move, and the first guide rod 111 guides the movement of the lifting frame 31 to reduce the probability of the presser foot deviation on the lower side of the presser foot rod.
[0042] Reference Figure 4 The driver 5 includes a driving frame 51 and a driving block 52. A second guide rod 112 is vertically arranged on the housing 11. The second guide rod 112 is arranged at one side of the first guide rod 111. The driving frame 51 is slidably mounted on the second guide rod 112. The driving block 52 is arranged on the driving frame 51. A bearing seat 53 is eccentrically mounted on one side of the machine head cam 22. A starting rod 54 is rotatably mounted on the driving frame 51 on the side facing the machine head cam 22. One end of the starting rod 54 is rotatably connected to the bearing seat 53. The rotation of the machine head cam 22 drives the starting rod 54 to rotate, and the starting rod 54 drives the driving frame 51 to move. The driving block 52 on one side of the driving frame 51 drives the needle bar to slide up and down.
[0043] Reference Figure 4 The driving frame 51 is provided with a driving positioning block 511 on the downward side, and one side of the driving positioning block 511 slides along the first guide rod 111. The lifting frame 31 is provided with a lifting positioning block 311 on the downward side, and one side of the lifting positioning block 311 slides along the second guide rod 112. The lifting block 32 is located on one side of the lifting positioning block 311 and at the lower side of the driving frame 51. The driving frames 51 and the lifting frames 31 on both sides slide along the first guide rod 111 and the second guide rod 112, thereby reducing the probability of rotation of the driving frame 51 and the lifting frame 31 when they move.
[0044] Reference Figure 4 The driving block 52 is rotationally connected with the driving frame 51, a torsion spring 512 is arranged on the driving frame 51, a top block 522 for pushing the needle bar to move is arranged on one side of the driving block 52, a jumping mechanism 6 is arranged on the casing 11, the jumping mechanism 6 includes a jumping plate 61 and an electromagnetic connecting block 62, a jumping motor 63 is arranged on the casing 11, the electromagnetic connecting block 62 is arranged at the output shaft of the jumping motor 63, the jumping plate 61 is arranged at one side of the electromagnetic connecting block 62, the jumping motor 63 drives the electromagnetic connecting block 62 to rotate, and the electromagnetic connecting block 62 drives the jumping plate 61 to rotate.
[0045] Reference Figure 4An inclined folding plate 611 is provided on one side of the jumping plate 61, a clamping rod 521 is provided on one side of the driving block 52, and a limiting plate 5111 for limiting the clamping rod 521 is provided on the driving positioning block 511. The folding plate 611 on one side of the jumping plate 61 pushes the clamping rod 521 and then pushes the driving block 52 to rotate. At this time, the top block 522 on the driving block 52 rotates to separate from the top rod, and the needle bar frame moves to change the thread.
[0046] Reference Figure 4 A torsion spring 512 is provided at the electromagnetic connection block 62, and a limited rubber retaining ring 64 is provided on the housing 11. After the line change is completed, the torsion spring 512 drives the driving frame 51 to rotate back to its original position. At this time, the top block 522 is located at the limit block on one side of the needle rod, which is convenient for color change.
[0047] Reference Figure 5 The thread taking-up mechanism 7 includes a first thread taking-up link 71 and a second thread taking-up link 72. A mounting seat 73 is provided on the housing 11 on the upper side of the main shaft 2. The first thread taking-up link 71 is rotatably mounted on the mounting seat 73. One end of the second thread taking-up link 72 is connected to one end of the first thread taking-up link 71. A second roller 711 is rotatably mounted on one side of the first thread taking-up link 71 facing the lower end. A second rolling groove 221 for the second roller 711 to slide is provided on the circumferential outer wall of the head cam 22. When the head cam 22 rotates, the first thread taking-up link 71 is driven to swing back and forth through the second roller 711, and then the second thread taking-up link 72 is driven to swing. One end of the second thread taking-up link 72 pushes the thread taking-up rod to take up the thread. The thread taking-up rod moves synchronously with the driving frame 51, and the thread feeding effect is better.
[0048] Reference Figure 6 The hooking mechanism 8 includes a hooking knife 81 and a connecting piece 82. A guide rail seat 113 is provided on one side of the housing 11. One end of the connecting piece 82 is slidably mounted on the guide rail seat 113. The hooking knife 81 is arranged on the side of the connecting piece 82 away from the guide rail seat 113. A driving mechanism 9 is provided on one side of the housing 11. The driving mechanism 9 includes a hooking motor 91, a first hooking connecting rod 92 and a second hooking connecting rod 93. The hooking motor 91 is provided on one side of the housing 11. One end of the first hooking connecting rod 92 is provided at the output shaft of the hooking motor 91. One end of the second hooking connecting rod 93 is rotatably connected to one end of the first hooking connecting rod 92. One end of the second hooking connecting rod 93 away from the first hooking connecting rod 92 is rotatably connected to one end of the connecting piece 82. The hooking motor 91 drives the first hooking connecting rod 92 to rotate and drives the second hooking connecting rod 93 to rotate. One end of the second hooking connecting rod 93 pushes the connecting piece 82 to move along the guide rail seat 113 and then drives the hooking knife 81 to move to hook the line.
[0049] Reference Figure 6A torsion spring 512 is provided at the first thread hooking connecting rod 92, and a limiting rubber baffle ring 64 is provided on one side of the casing 11. When the thread hooking is completed, the output shaft of the thread hooking motor 91 rotates, and the torsion spring 512 drives the first thread hooking connecting rod 92 to reset. One end of the first thread hooking connecting rod 92 is tightly pressed against the limiting rubber baffle ring 64, which is convenient for the next thread hooking.
[0050] The implementation principle of the direct-connected head of a horse-head embroidery machine in the embodiment of the present application is as follows: the main shaft 2 rotates with the main shaft motor, driving the presser foot cam 21 to rotate, driving the connecting rod shaft 42 to deflect and reciprocate, the connecting rod shaft 42 drives the lifting frame 31 to move up and down through the connecting rod member 43 and then drives the presser foot to move, and at the same time, the head cam 22 on the main shaft 2 drives the starting rod 54 to rotate, the starting rod 54 drives the driving frame 51 and then drives one side of the needle bar to move, when the head cam 22 rotates, it pushes the first thread taking-up connecting rod 71 and then drives the second thread taking-up connecting rod 72 to swing to take up the thread.
[0051] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. A direct-connected head of a horse-head embroidery machine, comprising a mounting plate (1) and a spindle (2), wherein the mounting plate (1) is arranged on a horse-head frame, a housing (11) is arranged on one side of the mounting plate (1), and the spindle (2) is rotatably mounted on the housing (11) and connected to a spindle motor on the horse-head frame, characterized in that: A presser foot cam (21) is coaxially arranged on the main shaft (2), a presser foot assembly is arranged on the housing (11), the presser foot assembly comprises a presser foot connecting member (4) and a presser foot lifting member (3), the presser foot lifting member (3) is slidably mounted on the housing (11), the presser foot lifting member (3) is used to drive the presser foot rod to move, the presser foot connecting member (4) is arranged on the housing (11) and connected to the presser foot cam (21), the presser foot connecting member (4) drives the presser foot lifting member (3) to move, a head cam (22) is coaxially arranged on the main shaft (2), a driver (5) for driving the needle bar to move is arranged on the housing (11), the head cam (22) drives the driver (5) to move, a thread taking-up mechanism (7) is arranged on the housing (11), and a thread hooking mechanism (8) is arranged on one side of the housing (11).
2. The direct-connected head of a horse head embroidery machine according to claim 1, characterized in that: The presser foot connecting member (4) comprises a cam connecting rod (41) and a connecting rod shaft (42); a first rolling groove (211) is provided on the presser foot cam (21); one end of the cam connecting rod (41) moves along the first rolling groove (211); the connecting rod shaft (42) is rotatably mounted on the housing (11) and connected to one end of the cam connecting rod (41); one end of the connecting rod shaft (42) is connected to the presser foot lifting member (3) via a connecting rod member (43).
3. The direct-connected head of a horse head embroidery machine according to claim 2, characterized in that: The presser foot lifting member (3) comprises a lifting frame (31) and a lifting block (32); a first guide rod (111) is provided on the housing (11); the lifting frame (31) is slidably mounted on the first guide rod (111); the lifting frame (31) is connected to the connecting rod (43); and the lifting block (32) is arranged on one side of the lifting frame (31).
4. The direct-connected head of a horse head embroidery machine according to claim 3, characterized in that: The connecting rod member (43) comprises a long connecting rod (431) and a short connecting rod (432), wherein the long connecting rod (431) is arranged at one end of the connecting rod shaft (42), the short connecting rod (432) is rotatably mounted at one end of the long connecting rod (431), and one end of the short connecting rod (432) is rotatably connected to the lifting frame (31).
5. The direct-connected head of a horse head embroidery machine according to claim 1, characterized in that: The driver (5) comprises a drive frame (51) and a drive block (52); a second guide rod (112) is provided on the housing (11); the drive frame (51) is slidably mounted on the second guide rod (112); the drive block (52) is arranged on the drive frame (51); a starting rod (54) is rotatably mounted on one side of the drive frame (51); one end of the starting rod (54) is rotatably connected to the machine head cam (22).
6. The direct-connected head of a horse head embroidery machine according to claim 5, characterized in that: The driving block (52) is rotatably connected to the driving frame (51); a torsion spring (512) is provided on the driving frame (51); a top block (522) for pushing the needle bar to move is provided on one side of the driving block (52); and a jumping mechanism (6) for pushing the driving block (52) to rotate is provided on the housing (11).
7. The direct-connected head of a horse head embroidery machine according to claim 6, characterized in that: The jumping mechanism (6) comprises a jumping plate (61) and an electromagnetic connection block (62); a jumping motor (63) is arranged on the housing (11); the electromagnetic connection block (62) is arranged at the output shaft of the jumping motor (63); the jumping plate (61) is arranged at one side of the electromagnetic connection block (62); a torsion spring (512) is arranged at the electromagnetic connection block (62); and a limiting rubber retaining ring (64) is arranged on the housing (11).
8. The direct-connected head of a horse head embroidery machine according to claim 1, characterized in that: The thread taking-up mechanism (7) comprises a first thread taking-up link (71) and a second thread taking-up link (72); the first thread taking-up link (71) is rotatably mounted on the housing (11); the second thread taking-up link (72) is connected to one end of the first thread taking-up link (71); a second roller (711) is provided at one end of the first thread taking-up link (71); and a second rolling groove (221) for the second roller (711) to slide is provided on the circumferential side wall of the machine head cam (22).
9. The direct-connected head of a horse head embroidery machine according to claim 1, characterized in that: The hooking mechanism (8) comprises a hooking knife (81) and a connecting piece (82); a guide rail seat (113) is provided on one side of the housing (11); the connecting piece (82) is slidably mounted on the guide rail seat (113); the hooking knife (81) is provided on one side of the connecting piece (82); and a driving mechanism (9) for driving the connecting piece (82) to move is provided on one side of the housing (11).
10. The direct-connected head of a horse head embroidery machine according to claim 9, characterized in that: The driving mechanism (9) comprises a thread hooking motor (91), a first thread hooking connecting rod (92) and a second thread hooking connecting rod (93); the thread hooking motor (91) is arranged on one side of the housing (11); one end of the first thread hooking connecting rod (92) is arranged at the output shaft of the thread hooking motor (91); one end of the second thread hooking connecting rod (93) is rotatably connected to one end of the first thread hooking connecting rod (92); one end of the second thread hooking connecting rod (93) is rotatably connected to the connecting piece (82); a torsion spring (512) is arranged at the first thread hooking connecting rod (92); and a limiting rubber retaining ring (64) is arranged on one side of the housing (11).
Citation Information
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