CN112501811A - Needle bar frame body of high-speed embroidery machine - Google Patents
Needle bar frame body of high-speed embroidery machine Download PDFInfo
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- CN112501811A CN112501811A CN202011558985.1A CN202011558985A CN112501811A CN 112501811 A CN112501811 A CN 112501811A CN 202011558985 A CN202011558985 A CN 202011558985A CN 112501811 A CN112501811 A CN 112501811A
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- thread clamping
- needle bar
- presser foot
- clamping structure
- bar frame
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05C—EMBROIDERING; TUFTING
- D05C11/00—Devices for guiding, feeding, handling, or treating the threads in embroidering machines; Machine needles; Operating or control mechanisms therefor
- D05C11/08—Thread-tensioning arrangements
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05C—EMBROIDERING; TUFTING
- D05C9/00—Appliances for holding or feeding the base fabric in embroidering machines
- D05C9/20—Movement of the base fabric controlled by the presser feet; Driving arrangements therefor
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
本发明公开了一种高速刺绣机的针杆架体，包括针杆架、安装在针杆架的针杆以及与其配合的压脚，所述压脚包括压脚杆、连接在压脚杆底端的压脚结构，所述压脚结构设置第一夹线结构、第一夹线结构，两者之间用于穿过勾刀，所述第一夹线结构可相对第二夹线结构活动并可复位，所述第一夹线结构处于复位位置时与第二夹线结构相接触，所述压脚杆设有配合结构，所述针杆架设有用于阻挡所述配合结构正向移动的锁定结构，所述针杆架设有可使得锁定结构与配合结构发生相对位移的解锁机构，以解除锁定结构对配合结构的阻挡作用。本发明的有益效果在于，具有较高的功能集成度，实现了稳定保持面线夹持的技术目的。
The invention discloses a needle bar frame body of a high-speed embroidery machine, comprising a needle bar frame, a needle bar mounted on the needle bar frame, and a presser foot matched with the needle bar frame. The presser foot includes a presser foot bar and is connected to the bottom of the presser foot bar. The presser foot structure at the end, the presser foot structure is provided with a first thread clamping structure and a first thread clamping structure, between which is used to pass a hook knife, and the first thread clamping structure can move relative to the second thread clamping structure. Can be reset, the first thread clamping structure is in contact with the second thread clamping structure when it is in the reset position, the presser foot bar is provided with a matching structure, and the needle bar frame is provided with a lock for blocking the forward movement of the matching structure structure, the needle bar bracket is provided with an unlocking mechanism that can make the locking structure and the matching structure move relative to each other, so as to release the blocking effect of the locking structure on the matching structure. The beneficial effect of the present invention is that it has a high degree of functional integration and achieves the technical purpose of stably maintaining the upper thread clamping.
Description
Technical Field
The invention relates to a needle bar frame body of a high-speed embroidery machine, which is applied to the technical field of embroidery machines.
Background
The presser foot on the embroidery machine is a component for finishing cloth pressing action in the embroidery process of the embroidery machine, the thread hooking board on the embroidery machine is a component matched with the thread cutting device, namely when thread cutting is needed, the embroidery machine stops working, and the thread hooking board moves back and forth under the action of the corresponding driving mechanism, so that the upper thread needing to be cut on the cloth is hooked, and thread cutting operation is realized under the action of the thread cutting device.
The prior art CN201620415947.3 discloses an upper thread clamping device and an embroidery machine head, wherein the disclosed upper thread clamping device comprises a fixed frame and a row of moving rods movably penetrating through the fixed frame, and moving blocks are fixed on the moving rods.
Also, as in the prior art CN201921180454.6, a buffer type independent presser foot mechanism is disclosed, wherein a return spring is sleeved on the presser foot lifting rod, and the return spring is located between the driving seat and the lower connecting rail and used for returning through elasticity after the presser foot lifting rod slides downwards.
The two prior arts, the former is relatively complex no matter structure itself or power composition, the failure rate in the operation process is relatively high, the installation space of the needle bar frame is occupied, the problem of mechanical interference is easily caused and not beneficial to the arrangement of other components, the problem of position deviation is easily caused due to the poor operation stability of the presser foot of the latter, and the high-efficiency stable state of the needle bar frame is not beneficial to being maintained.
Disclosure of Invention
The invention aims to provide a needle bar frame body of a high-speed embroidery machine, which has higher function integration level and realizes the technical purpose of stably keeping the facial suture clamping.
The invention is realized by the following technical scheme.
A needle bar frame body of a high-speed embroidery machine comprises a needle bar frame, a needle bar arranged on the needle bar frame and a presser foot matched with the needle bar frame, wherein the presser foot comprises a presser bar rod and a presser foot structure connected to the bottom end of the presser bar, the presser foot structure is provided with a first thread clamping structure and a first thread clamping structure, a hook knife penetrates through the presser foot structure and the first thread clamping structure, the first thread clamping structure can move relative to a second thread clamping structure and can reset, the first thread clamping structure is in contact with the second thread clamping structure when being located at a reset position, the presser bar is provided with a matching structure, the needle bar frame is provided with a locking structure used for blocking the matching structure to move in the forward direction, and the needle bar frame is provided with an unlocking mechanism capable of enabling the locking structure and the matching structure to move relatively so as to relieve the blocking effect of the locking structure on the matching.
According to the needle bar frame body, the presser foot realizes the clamping function of the upper thread through the first thread clamping structure and the second thread clamping structure, the separation of the upper thread is avoided, the matching structure and the locking structure can realize that the presser foot can be well kept at a certain position in a non-working state, and the presser foot influencing the working state is avoided, so that the clamped upper thread is kept at the position, the clamping state cannot be damaged due to the capture of other parts, the normal state is ensured to enter the subsequent embroidery, the embroidery quality is improved, in addition, the first thread clamping structure, the second thread clamping structure, the matching structure and the locking structure are integrated on the presser foot, and the function integration degree of the needle bar frame body is improved.
As a further improvement of the present invention, the first wire clamping structure is a flat plate-shaped structure, the second wire clamping structure is a columnar structure, the first wire clamping structure has a middle part contacting with a side surface of the second wire clamping structure, and side parts connecting two ends of the middle part, and the two side parts are inclined relative to the middle part in a direction away from the second wire clamping structure.
As a further improvement of the invention, the presser foot comprises a presser foot rod, a presser foot sleeve wrapped and fixed at the bottom end of the presser foot rod, a cloth pressing end used for pressing cloth and allowing an embroidery needle of the needle rod to pass through, and a presser foot bracket connecting the presser foot sleeve and the cloth pressing end, wherein the presser foot sleeve is provided with two spaced lugs, a connecting shaft is connected between the two lugs, and one end of the first thread clamping structure is connected with the connecting shaft.
As a further improvement of the present invention, one end of the first wire clamping structure has a ferrule fixedly sleeved on the connecting shaft, and the first wire clamping structure is made of an elastic material.
As a further improvement of the present invention, one end of the first wire clamping structure has a ferrule slidably sleeved on the connecting shaft, the connecting shaft is sleeved with a torsion spring, the ferrule is provided with a notch groove, a torsion spring is sleeved on a position of the connecting shaft corresponding to the notch groove, and two ends of the torsion spring respectively abut against the first wire clamping structure and the presser foot.
As a further improvement of the present invention, the locking structure and the mating structure respectively have a first contact surface and a second contact surface that are in contact with each other, and the first contact surface and the second contact surface are arranged obliquely with respect to an axial direction of the presser foot bar.
As a further improvement of the present invention, the unlocking mechanism includes a guide shaft, an installation base provided with the locking structure, and a first mounting plate fixed to the needle bar frame, one end of the guide shaft is fixed to the first mounting plate, the installation base is slidably fitted over the guide shaft and moves along the axial direction thereof, or the guide shaft is slidably inserted into the first mounting plate and can move along the axial direction thereof, the installation base is fixed to the guide shaft, and a section of the guide shaft between the installation base and the first mounting plate is fitted with a return spring.
As a further improvement of the present invention, with reference to the direction in which the fitting structure is moved in the forward direction, a third contact surface is connected to a distal end portion of the first contact surface, the third contact surface being disposed obliquely with respect to the axial direction of the presser foot lever and being inclined in the opposite direction to the first contact surface.
As a further improvement of the invention, the unlocking mechanism further comprises a second mounting plate fixed on the needle bar frame, and the other end of the guide shaft is fixedly or slidably inserted in the second mounting plate.
The invention has the beneficial effects that:
1: the first thread clamping structure and the second thread clamping structure realize the clamping function of the facial threads, the structure is relatively simple, the failure rate is reduced, the clamping effect of the facial threads is good, and the facial threads cannot be separated;
2: the first thread clamping structure and the second thread clamping structure are functionally integrated with the presser foot, so that the integral structure of the needle bar frame can be simplified, the installation space can be saved, and the problem of mechanical interference with other components can be avoided;
3: the matching structure and the locking structure of the presser foot can realize that the presser foot can be well kept at a certain position in a non-working state, and the presser foot in a working state is prevented from being influenced, so that the clamped upper thread can keep the position thereof, the clamping state of the upper thread which is captured by other parts of the embroidery machine to be damaged due to the jumping of the presser foot can not occur, the clamped upper thread can be ensured to enter the subsequent embroidery process in a normal state, and the embroidery quality of the embroidery cloth is further stabilized;
4: the integration of the function of the upper thread clamping and the function of the presser foot position keeping is integrated at the presser foot, the structure combination degree of the presser foot is higher, and the combination stability is also higher, so that the whole body not only has higher function integration degree, but also improves the stability of the needle bar frame body in the high-speed operation process of the embroidery machine.
Drawings
The preferred embodiments of the present invention will hereinafter be described in detail to facilitate understanding of the objects and advantages of the invention, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic view of a forward view of a needle bar frame of a high speed embroidery machine;
FIG. 2 is a rear view of the needle bar frame of the high speed embroidery machine;
FIG. 3 is a schematic structural view of the presser foot, the needle bar and the hook knife;
FIG. 4 is a schematic view of the presser foot;
FIG. 5 is a schematic view of the hook blade not passing through the first and second wire clamping structures;
FIG. 6 is a schematic view of the hook knife passing through the first thread clamping structure and the second thread clamping structure;
FIG. 7 is a schematic structural view of a first wire clamping structure;
FIG. 8 is an enlarged partial schematic view of FIG. 2;
FIG. 9 is a partial schematic view of another perspective of FIG. 2;
FIG. 10 is a schematic view of the specific structure of the unlocking mechanism in FIG. 2;
FIG. 11 is a schematic diagram of a detailed structure of the mating structure of FIG. 2;
FIG. 12 is a view of the relative positions of the engagement structure and the locking structure when the presser foot is in a non-operating state;
FIG. 13 is a view of the relative positions of the engagement structure and the locking structure when the presser foot is about to disengage from the locked condition;
fig. 14 is a diagram showing the relative positions of the fitting structure and the locking structure when the presser foot is reset after completing the operation.
Detailed Description
The invention is explained in more detail below with reference to the drawings and exemplary embodiments.
The terms of orientation of up, down, left, right, front, back, top, bottom, and the like as referred to or as may be referred to in this specification are defined with respect to the configuration shown in the drawings, and the terms "inner" and "outer" refer to directions toward and away from the geometric center of a particular component and are relative terms, and thus may be changed accordingly depending on the position and the state of use of the particular component. Therefore, these and other directional terms should not be construed as limiting terms.
Referring to fig. 1-14, the needle bar frame of the high-speed embroidery machine of the invention comprises a needle bar frame 6, a needle bar 31 arranged on the needle bar frame 6 and a presser foot 2 matched with the needle bar, wherein an embroidery needle 3 is arranged at the bottom end of the needle bar 31, a hook knife 4 is also arranged on a machine head of the high-speed embroidery machine, the lower end 41 of the hook knife 4 is arranged in a hook shape, a driving mechanism 5 for driving the hook knife 4 to move back and forth and enabling the lower end of the hook knife to realize thread hooking operation is connected on the hook knife 4, and the driving mechanism 5 can be composed of a transmission component such as a motor, a cam and. The presser foot 2 is provided with a first thread clamping structure 21 and a second thread clamping structure 22, in this embodiment, the first thread clamping structure 21 is a flat plate-shaped structure, the second thread clamping structure 22 is a cylindrical structure, specifically, a pin shaft can be used, the second thread clamping structure 22 is fixed on the presser foot 2, the first thread clamping structure 21 can move and reset relative to the second thread clamping structure 22, when the first thread clamping structure 21 resets, the first thread clamping structure contacts with the second thread clamping structure 22, namely, a gap between the first thread clamping structure and the second thread clamping structure is closed, when the hook knife 4 moves back and forth, the lower end 41 of the hook knife 4 acts on the first thread clamping structure 21 to move and separate the hook knife from the second thread clamping structure 22, so that the hook knife 4 passes through the gap between the first thread clamping structure 21 and the second thread clamping structure 22.
Specifically, when the thread is hooked, the hook knife 4 extends out under the driving of the driving mechanism 5 and passes through the space between the first thread clamping structure 21 and the second thread clamping structure 22, the upper thread is hooked and returns, the hook knife 4 retracts back from the space between the outer circumferential surfaces of the first thread clamping structure 21 and the second thread clamping structure 22, the hooked upper thread is clamped between the first thread clamping structure 21 and the second thread clamping structure 22, namely, the clamping of the upper thread is realized along with the thread hooking operation of the hook knife 4, so that the operation is convenient, the structure is simple, the clamping of the upper thread is realized without additionally adding a driving mechanism, the upper thread clamping structure is integrated on the presser foot 2, the whole machine head structure is simplified, the occupied space is small, and the installation is convenient.
The presser foot 2 comprises a presser foot rod 23, a presser foot sleeve 25, a presser foot bracket 28 and a cloth pressing end 29, wherein the lower end part of the presser foot rod 23 is fixedly sleeved with a fixed seat 24, the upper end of the presser foot 2 is correspondingly arranged to cover the presser foot sleeve 25 fixed on the peripheral surface of the fixed seat 24, the presser foot sleeve 25 is provided with a vertical opening, two spaced lugs 26 extend out of two sides of the opening, a connecting shaft 2-A is arranged between the two lugs 26, the cloth pressing end 29 is provided with a presser foot through hole 291 allowing the embroidery needle 3 to pass through and used for pressing on the embroidery cloth, and the presser foot bracket 28 is connected with the presser foot end 29 and the presser foot sleeve 25.
The first thread clamping structure 21 has two schemes, in the first embodiment, the first thread clamping structure 21 is fixedly connected with the connecting shaft 2-a, and the first thread clamping structure 21 is made of a material with certain elasticity, when the first thread clamping structure 21 is not subjected to an acting force (the hook knife 4), the first thread clamping structure 21 is in contact with the second thread clamping structure 22, the force for mutual supporting between the first thread clamping structure 21 and the second thread clamping structure 22 is not too large, only the force for hooking the facial suture is required to be met, when the hook knife 4 passes through the space between the first thread clamping structure 21 and the second thread clamping structure 22, under the thrust action of the hook knife 4, the first thread clamping structure 21 is bent and deformed to enable the hook knife 4 to pass through, and when the hook knife 4 is retracted, the first thread clamping structure 21 is reset to be kept in shape to be in contact with the second thread clamping structure 22, so that the facial suture is clamped by the first thread clamping structure 21.
In a second embodiment, the first wire clamping structure 21 is hinged to the presser foot 2 through the connecting shaft 2-a, one end of the first wire clamping structure 21 is provided with a ferrule 211 and is sleeved on the connecting shaft 2-a, two sides of an opening of the presser foot sleeve 25 correspondingly form axial clamping to the presser foot elastic sheet ferrule 211, the torsion spring 27 is sleeved on the connecting shaft 2-a, a notch groove 212 for accommodating the torsion spring 27 is correspondingly formed in the middle of the ferrule 211 of the first wire clamping structure 21, and two ends of the torsion spring 27 extend outwards and respectively abut against the first wire clamping structure 21 and the fixing seat 24. By the arrangement, the installation is convenient, the hinging and swinging of the first thread clamping structure 21 are stable and reliable, and the displacement cannot occur, so that the reliability of the clamping of the upper thread is effectively ensured. In addition, in the first embodiment, a ferrule 211 may be disposed at one end of the first wire clamping structure 21.
As for the upper end portion 211, it includes a middle portion 213 and side portions 214 connected at both ends thereof, the middle portion 213 has a certain inclination angle, and the optimal scheme is that the middle part 213 is tangentially pressed against the outer circumferential surface of the second thread clamping structure 22, the side parts 214 at two sides of the middle part 213 are inclined relative to the middle part 213 and inclined in the direction far away from the second thread clamping structure 22, when the hook knife 4 moves back and forth, the lower end 41 of the hook blade passes through the middle part 213 and the second thread clamping structure 22, the hook blade 4 is inserted between the first thread clamping structure 21 and the second thread clamping structure 22, and the smooth degree when passing between the first thread clamping structure 21 and the second thread clamping structure 22, the friction force between hooked facial threads passing through the facial thread clamping structure is small, the facial threads are not easy to break, and the face plate can be pulled through the facial thread clamping structure by the thread hooking plate.
The presser foot rod 23 is fixedly sleeved with a positioning block 32, and one side of the positioning block 32 is correspondingly formed with a C-shaped positioning part 33 hooped on the needle rod 31. The positioning part 33 can position and guide the lifting movement of the needle bar 31, and effectively combine the presser bar 23 and the needle bar 31, thereby increasing the structural stability. In addition, the presser foot sleeve 25, the fixing seat 24 and the presser foot rod 23 are riveted and fixed together by a pin shaft 30. Therefore, the installation is more convenient, and the installation is more firm and reliable.
The presser bar 23 is provided with a matching structure 7, the needle bar frame 6 is provided with a locking structure 8 and an unlocking mechanism 9, the unlocking mechanism 9 comprises a first mounting plate 94 and a second mounting plate 95, the needle bar frame 6 is provided with an intermediate connecting rail 61, the first mounting plate is fixed on the rear side surface of the intermediate connecting rail 61 through a fastener, the second mounting plate 95 is fixed on the other surface opposite to the side surface through a fastener, the first mounting plate 94 and the second mounting plate 95 are fixed through a reinforcing plate 96, the unlocking mechanism 9 further comprises a guide shaft 91 and a mounting base 92, and two ends of the guide shaft 91 are respectively inserted on the first mounting plate 94 and the second mounting plate 95 in a sliding manner; the installation base 92 is sleeved on one end of the guide shaft 91 and fixed through a fastener, and of course, the installation base can also be fixed on the guide shaft in a welding or integrated forming mode, the guide shaft 91 is located on a section between the installation base 92 and the first mounting plate 94, the return spring 93 is sleeved on the section between the installation base 92 and the first mounting plate 94, the return spring is compressed when the unlocking mechanism 9 acts, the unlocking mechanism 9 is driven to recover the original position by the spring after unlocking is completed, it needs to be described that the guide shaft 91 is slidably inserted on the first mounting plate 94 and the second mounting plate 95 in the embodiment, the installation base 92 is fixed on the guide shaft 91, but the two ends of the guide shaft 91 can also be fixed on the first mounting plate 94 and the second mounting plate 95, the installation base 92 is slidably sleeved on the guide shaft 91, and the installation base 92 is.
The locking structure 8 is arranged on the mounting base 92, the presser bar 23 is provided with a transmission piece 23-a for externally connecting a driving source, the matching structure 7 is arranged on the side surface of the transmission piece 23-a, the matching structure 7 and the locking structure 8 are provided with a second contact surface 71 and a first contact surface 81 which are mutually contacted, and the second contact surface 71 and the second contact surface 81 are obliquely arranged relative to the axial direction of the presser bar 23, and the principle of the oblique arrangement is that: when the matching structure 7 is subjected to a vertically downward acting force given by the driving source, the matching structure 7 is subjected to a vertically downward driving force at this time, the supporting force perpendicular to the acting surface given by the locking structure is resolved into a vertically downward acting force facing downward and counterbalancing the supporting force, a vertically downward acting force parallel to the acting surface is used for enabling the matching structure 7 to slide downwards along the acting surface, the locking structure 8 is subjected to a pressure perpendicular to the acting surface given by the matching structure at this time, and a vertically upward supporting force given by the guide shaft 91, the vertically downward acting force is resolved into a vertically downward acting force and counterbalancing the supporting force, and a horizontal acting force is used for enabling the locking structure 8 to move horizontally so as to relieve the locking effect on the matching structure 7.
The third contact surface 82 is inclined in the same direction as the first contact surface 81, and the inclined direction of the third contact surface 82 is opposite to the first contact surface 81, and the inclined third contact surface is arranged to enable the pressure foot which finishes the work to abut against the locking structure 8 again to return to the original position in the non-working state under the driving of the driving source, and the principle of the action is the same as that of the first contact surface 81 and the second contact surface 71.
The mounting base 92 is further provided with a guide surface 961, the guide surface 961 and the side surface of the matching structure 7 are in contact with each other, and the guide surface 961 is used for guiding the matching structure 7 to slightly shake along the direction perpendicular to the axial direction of the presser bar 23, so that the operation of the presser bar is more stable, and certainly, the guide surface 961 is not provided, and the purpose of the invention can still be achieved in the embodiment; the side of the mounting base 92 facing the second mounting plate 95 is further provided with a protruding portion 922, and the area of the protruding portion 922 is smaller than that of the side of the mounting base 92, so that the purpose of relieving the impact force of the reset of the unlocking mechanism 9 on the second mounting plate after the action is performed is achieved.
When the presser foot is in a non-working state, the relative position diagram of the matching structure is realized, when the presser foot is in the non-working state, the acting force applied by the driving source is not applied to the transmission piece 23-A, the matching structure 7 is blocked above by the locking structure 8, the reset spring is in a normal state, the presser foot is kept on the needle frame at the moment, even if slight vibration of the frame in the actual production process can influence the front and back of the moving mechanism to shake to a certain degree, but not enough to enable the matching structure 7 to be capable of resisting the blocking effect of the locking structure 8, therefore, the presser foot can be effectively guaranteed to be always kept on the needle bar frame in the non-working state, the influence on the working presser foot is avoided, and the.
When the presser foot is about to be separated from the locking state, the matching structure is in a relative position diagram, when the presser foot needs to be in a working state, the embroidery machine applies acting force to the transmission piece 23-A to drive the presser foot to move downwards, at the moment, the matching structure 7 is applied with downward acting force, because the first contact surface 81 and the second contact surface 71 which are interacted between the matching structure 7 and the locking structure 8 are inclined surfaces, the matching structure 7 applies downward acting force of vertical contact surface to the locking structure 8 under the action of the decomposition acting force of the driving force, the vertical pressing force is decomposed into a vertical downward acting force and a horizontal acting force, after the vertical acting force is counteracted with the supporting force applied by the guide shaft 91, the whole locking structure is only applied with the horizontal acting force, and the mounting base 92 provided with the locking structure 8 is fixed on the unlocking mechanism 9, so that the unlocking mechanism 9 drives the whole mounting base 92 to horizontally translate under the driving, thereby make locking structure 8 and cooperation structure 7 take place relative displacement to relieve the blocking effect to cooperation structure 7, reset spring is in the state that compresses tightly this moment, and after cooperation structure 7 breaks away from locking structure 8 completely, cooperation structure 7 moves to locking structure 8 below, and reset spring restores to normal condition, and makes release mechanism 9 revert to the normal position.
In order to provide a relative position diagram of the matching structure when the presser foot returns to a non-working state after completing the work, after the presser foot completes the embroidery work, the embroidery machine drives the transmission member 23-a again to enable the matching structure 7 to be subjected to a vertical upward acting force, the third contact surface 82 is a long inclined surface, the matching structure 7 can reversely abut against the unlocking structure 8 again to return to an original position of the non-working state, and the unlocking mechanism 9 is reset again under the action of the reset spring to realize the blocking effect, so that the presser foot is maintained above the needle bar frame again.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments can be modified, or some technical features can be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. The needle bar frame body of the high-speed embroidery machine is characterized by comprising a needle bar frame, a needle bar arranged on the needle bar frame and a presser foot matched with the needle bar, wherein the presser foot comprises a presser bar and a presser foot structure connected to the bottom end of the presser bar, the presser foot structure is provided with a first thread clamping structure and a first thread clamping structure, a hook knife penetrates through the presser foot structure and the first thread clamping structure, the first thread clamping structure can move relative to a second thread clamping structure and can reset, the first thread clamping structure is in contact with the second thread clamping structure when being located at a reset position, the presser bar is provided with a matching structure, the needle bar frame is provided with a locking structure used for blocking forward movement of the matching structure, and the needle bar frame is provided with an unlocking mechanism capable of enabling the locking structure and the matching structure to generate relative displacement so as to release the blocking effect of the locking structure on the matching structure.
2. The needle bar frame body of the high-speed embroidering machine as claimed in claim 1, wherein the first thread clamping structure is a flat plate-shaped structure, the second thread clamping structure is a column-shaped structure, the first thread clamping structure has a middle portion contacting with a side of the second thread clamping structure, and side portions connecting both ends of the middle portion, and both of the side portions are inclined with respect to the middle portion in a direction away from the second thread clamping structure.
3. The needle bar frame body of the high-speed embroidering machine as claimed in claim 1, wherein the presser foot comprises a presser bar, a presser foot cover wrapping and fixing on a bottom end of the presser bar, a presser foot end for pressing cloth and allowing an embroidering needle of the needle bar to pass therethrough, and a presser foot bracket connecting the two, the presser foot cover having two spaced apart lugs and a connecting shaft connected between the two lugs, one end of the first thread clamping structure being connected to the connecting shaft.
4. The needle bar frame body of the high-speed embroidering machine as claimed in claim 3, wherein the first thread clamping structure has a collar fixedly secured to the connecting shaft at one end thereof, and the first thread clamping structure is made of an elastic material.
5. The needle bar frame body of the high-speed embroidery machine as claimed in claim 3, wherein one end of the first thread clamping structure is provided with a ferrule slidably sleeved on the connecting shaft, the connecting shaft is sleeved with a torsion spring, the ferrule is provided with a notch groove, a torsion spring is sleeved on the connecting shaft corresponding to the notch groove, and two ends of the torsion spring respectively abut against the first thread clamping structure and the presser foot.
6. The needle bar frame of the high-speed embroidery machine as claimed in claim 1, wherein said locking structure and said engaging structure have a first contact surface and a second contact surface, respectively, in contact with each other, said first contact surface and said second contact surface being disposed obliquely with respect to an axial direction of the presser bar.
7. The needle bar frame of the high-speed embroidery machine as claimed in claim 6, wherein the unlocking mechanism comprises a guide shaft, a mounting base provided with the locking structure, and a first mounting plate fixed to the needle bar frame, one end of the guide shaft is fixed to the first mounting plate, the mounting base is slidably sleeved on the guide shaft and moves axially along the guide shaft, or the guide shaft is slidably inserted in the first mounting plate and can move axially along the first mounting plate, the mounting base is fixed to the guide shaft, and a section of the guide shaft between the mounting base and the first mounting plate is sleeved with a return spring.
8. The needle bar frame body of the high-speed embroidering machine as claimed in claim 7, wherein a third contact surface is connected to a distal end portion of the first contact surface with reference to a direction in which the engaging structure is moved in a forward direction, the third contact surface being disposed obliquely with respect to an axial direction of the presser bar and being inclined in a direction opposite to the first contact surface.
9. The needle bar frame body of the high-speed embroidering machine as claimed in claim 8, wherein the unlocking mechanism further comprises a second mounting plate fixed to the needle bar frame, and the other end of the guide shaft is fixedly or slidably inserted into the second mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011558985.1A CN112501811B (en) | 2020-12-25 | 2020-12-25 | Needle bar frame of a high-speed embroidery machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011558985.1A CN112501811B (en) | 2020-12-25 | 2020-12-25 | Needle bar frame of a high-speed embroidery machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112501811A true CN112501811A (en) | 2021-03-16 |
| CN112501811B CN112501811B (en) | 2025-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202011558985.1A Active CN112501811B (en) | 2020-12-25 | 2020-12-25 | Needle bar frame of a high-speed embroidery machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114775181A (en) * | 2022-05-20 | 2022-07-22 | 浙江乐佳机电有限公司 | Full-independent control intelligent high-speed embroidery machine head |
| CN115323644A (en) * | 2022-09-19 | 2022-11-11 | 绍兴丰博机电科技有限公司 | A sequin holder |
| CN115387040A (en) * | 2022-08-29 | 2022-11-25 | 瑞珂玛机电(惠州)有限公司 | Homologous driving device of needle bar driving clutch mechanism and thread hooking mechanism of embroidery machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203128793U (en) * | 2013-03-25 | 2013-08-14 | 常熟市国光机械有限公司 | Lever-torsional spring type yarn closing mechanism of yarn guiding system |
| CN104120568A (en) * | 2014-07-18 | 2014-10-29 | 天津宝盈电脑机械有限公司 | Thread hooking and clamping device for upper thread |
| CN104674469A (en) * | 2015-01-31 | 2015-06-03 | 宁波缝纫机实业有限公司 | Sewing machine with thread hooking and clamping unit |
| CN107881676A (en) * | 2017-12-19 | 2018-04-06 | 宁波双玉机电制造有限公司 | Facial suture clamping mechanism and the embroidery machine using the mechanism |
| CN111962228A (en) * | 2020-08-25 | 2020-11-20 | 浙江越隆缝制设备有限公司 | Holding mechanism of presser foot |
| CN214458761U (en) * | 2020-12-25 | 2021-10-22 | 浙江越隆缝制设备有限公司 | Needle bar frame body of high-speed embroidery machine |
-
2020
- 2020-12-25 CN CN202011558985.1A patent/CN112501811B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203128793U (en) * | 2013-03-25 | 2013-08-14 | 常熟市国光机械有限公司 | Lever-torsional spring type yarn closing mechanism of yarn guiding system |
| CN104120568A (en) * | 2014-07-18 | 2014-10-29 | 天津宝盈电脑机械有限公司 | Thread hooking and clamping device for upper thread |
| CN104674469A (en) * | 2015-01-31 | 2015-06-03 | 宁波缝纫机实业有限公司 | Sewing machine with thread hooking and clamping unit |
| CN107881676A (en) * | 2017-12-19 | 2018-04-06 | 宁波双玉机电制造有限公司 | Facial suture clamping mechanism and the embroidery machine using the mechanism |
| CN111962228A (en) * | 2020-08-25 | 2020-11-20 | 浙江越隆缝制设备有限公司 | Holding mechanism of presser foot |
| CN214458761U (en) * | 2020-12-25 | 2021-10-22 | 浙江越隆缝制设备有限公司 | Needle bar frame body of high-speed embroidery machine |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114775181A (en) * | 2022-05-20 | 2022-07-22 | 浙江乐佳机电有限公司 | Full-independent control intelligent high-speed embroidery machine head |
| CN114775181B (en) * | 2022-05-20 | 2023-11-07 | 浙江乐佳机电有限公司 | Full independent control intelligent high-speed embroidery aircraft nose |
| CN115387040A (en) * | 2022-08-29 | 2022-11-25 | 瑞珂玛机电(惠州)有限公司 | Homologous driving device of needle bar driving clutch mechanism and thread hooking mechanism of embroidery machine |
| CN115387040B (en) * | 2022-08-29 | 2023-09-22 | 瑞珂玛机电(惠州)有限公司 | Homologous driving device for needle bar driving clutch mechanism and thread hooking mechanism of embroidery machine |
| CN115323644A (en) * | 2022-09-19 | 2022-11-11 | 绍兴丰博机电科技有限公司 | A sequin holder |
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| CN112501811B (en) | 2025-03-04 |
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