CN214882231U

CN214882231U - Computer embroidery machine with dynamic holding mechanism

Info

Publication number: CN214882231U
Application number: CN202121020101.7U
Authority: CN
Inventors: 陈天池; 张汉苗; 郑邓飞; 楼凯; 赵泽
Original assignee: Zhejiang Yuelong Sewing Equipment Co ltd
Current assignee: Zhejiang Yuelong Sewing Equipment Co ltd
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2021-11-26
Anticipated expiration: 2031-05-13

Abstract

The invention discloses a computer embroidery machine with a dynamic holding mechanism, which relates to the technical field of computer embroidery machines and comprises a shuttle box body part and a dynamic holding mechanism; the shuttle box body part comprises a shuttle box with a needle plate, a fixed knife and a movable knife which are arranged in the shuttle box, and the needle plate is provided with a needle plate hole; the dynamic holding mechanism is arranged in the shuttle box and comprises a holding piece, a shifting piece, a torsional spring and a mounting pin which are positioned on the back side of the needle plate, the mounting pin is fixedly connected to the back side of the needle plate, the shifting piece is rotatably sleeved on the mounting pin, the torsional spring is arranged between the needle plate and the shifting piece to provide restoring force for the shifting piece, the shifting piece is connected with the holding piece, and one end of the holding piece is provided with a central hole; when the movable knife opens relative to the fixed knife, the movable knife drives the shifting sheet to rotate around the mounting pin, and simultaneously the shifting sheet drives the retaining sheet to linearly move towards the needle plate hole until the central hole is aligned with the needle plate hole. The invention can improve the embroidery quality and efficiency of the embroidery machine, simplify the structure of the embroidery machine and reduce the cost.

Description

Computer embroidery machine with dynamic holding mechanism

Technical Field

The utility model relates to a computerized embroidery machine technical field to more specifically relates to a computerized embroidery machine of taking developments hold mechanism.

Background

The working principle of the computer embroidery machine is that the upper thread and the lower thread cooperate to draw an embroidery pattern on the fabric finally. When the existing embroidery machine starts to embroider, an embroidery upper thread needs to be brought into a shuttle box body through a needle, and a rotating shuttle separates the upper thread and is matched with a lower thread to be knotted, so that the embroidery action is finally realized. However, the existing embroidery machine has the following defects: 1. when the upper thread is short or the tension is not enough during embroidering, the situation that the first needle is not in place for embroidering is easy to occur, and the lower thread is easy to be taken, so that the upper thread and the lower thread cannot form a knotted state, and finally the quality of an embroidery pattern is reduced; 2. the miss-lift of the embroidery machine may cause miss-stitches or take-up of the bobbin thread after several stitches, which may cause a decrease in efficiency and a decrease in quality.

The zl201220744040.3 patent discloses an embroidery machine thread catcher, which comprises an electromagnet and a return spring and is characterized by further comprising a thread catching spring and a driving sheet, wherein the thread catching spring is connected with the driving sheet, the driving sheet is connected with the electromagnet, a waist-shaped spring hole is formed in the top end of the thread catching spring, and the return spring is arranged on the driving sheet. The thread catcher of the embroidery machine drives the thread catching spring to pull and press the thread end of the upper thread on the back of the needle plate through the electrification and the outage of the electromagnet, thereby ensuring that the upper thread and the bottom thread can be smoothly knotted. However, this embroidery machine requires a special electromagnet as a driving mechanism for driving the thread catching spring to catch the upper thread, and is complicated in structure and requires an additional driving cost.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is exactly in order to remedy the defect that prior art exists, provides a take computer embroidery machine of developments hold mechanism, when improving embroidery machine's embroidery quality and efficiency, simplifies embroidery machine's structure, reduce cost.

The embodiment of the utility model provides a take computer embroidery machine of developments hold mechanism, include: a shuttle housing component and a dynamic retention mechanism; the shuttle box body part comprises a shuttle box with a needle plate, and a fixed knife and a movable knife which are arranged in the shuttle box, and the needle plate is provided with a needle plate hole; the dynamic holding mechanism is arranged in the shuttle box and comprises a holding piece, a shifting piece, a torsional spring and an installation pin, wherein the holding piece, the shifting piece, the torsional spring and the installation pin are positioned at the back side of the needle plate; when the movable knife opens at a first angle relative to the fixed knife, the movable knife is connected with the poking sheet, when the movable knife continues to open relative to the fixed knife, the movable knife drives the poking sheet to rotate around the mounting pin, meanwhile, the poking sheet drives the retaining sheet to do linear motion towards the needle plate hole, until the movable knife opens at a second angle relative to the fixed knife, the central hole is aligned with the needle plate hole, and the second angle is larger than the first angle.

Optionally, the plectrum includes first lamellar body, second lamellar body and third lamellar body, the second lamellar body with the third lamellar body respectively with first lamellar body is connected, first lamellar body rotationally the cover is established on the mounting pin, the second lamellar body with keep the piece to be connected, move the sword with the third lamellar body meets and drives the plectrum winds the mounting pin rotates, so that the drive of second lamellar body keeps the piece to make linear motion.

Optionally, a protrusion is disposed on the third blade, and the movable blade is connected to the protrusion to drive the third blade.

Optionally, the middle part of the holding piece is provided with a fork column, one end of the second piece body, which is far away from the first piece body, is provided with a fork opening, and the fork column is arranged in the fork opening in a matching manner.

Optionally, a guide seat is fixedly connected to the back surface of the needle plate, a guide groove is formed in one surface of the guide seat, which is attached to the back surface of the needle plate, and the other end of the holding piece penetrates through the guide groove and can move linearly along the guide groove; the back of the needle plate is fixedly connected with a guide pin, the middle part of the holding piece is provided with a guide hole, and the guide pin penetrates through the guide hole and can move linearly along the guide hole.

Optionally, still include the stop collar, the stop collar is fixed the outer end of mounting pin is in order to restrict the motion of torsional spring and first lamellar body along mounting pin axial.

Optionally, the clamping spring is clamped at the outer end of the guide pin to limit the movement of the retaining piece along the axial direction of the guide pin.

Optionally, an opening communicated with the central hole is formed at one end of the retaining piece.

Optionally, the retaining piece includes a retaining piece main body and a retaining piece front section embedded on one end of the retaining piece main body, the central hole and the opening are both formed in the retaining piece front section, and the retaining piece front section is made of an elastic material.

The embodiment of the utility model provides an embroidery machine has through shuttle box body part and has moved the holding piece of sword drive dynamic holding mechanism and make reciprocating linear motion, need not to set up actuating mechanism specially in addition and drives the holding piece and catch the facial line, has saved extra actuating mechanism, and simple structure need not extra driving cost, can reduce cost. Meanwhile, when the embroidery needle is raised, the holding piece of the dynamic holding mechanism can pull and press the upper thread end on the back of the needle plate, so that the success rate of raising and knotting of the embroidery machine is improved, and the embroidery efficiency is improved.

Drawings

In order to illustrate the technical solution of the present invention more clearly, the drawings needed for the description of the present invention will be briefly described below, and obviously, the drawings described below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work.

Fig. 1 is a schematic view of a partial structure of a computerized embroidery machine according to an embodiment of the present invention.

Fig. 2 is a perspective view of the computerized embroidery machine provided by the embodiment of the present invention when the movable knife and the stationary knife are closed.

Fig. 3 is a perspective view of a dynamic retention mechanism within a needle board provided by an embodiment of the present invention.

Fig. 4 is a perspective view of the computerized embroidery machine according to the embodiment of the present invention when the movable blade is opened at a first angle relative to the stationary blade.

Fig. 5 is a perspective view of the computerized embroidery machine according to the embodiment of the present invention when the movable blade is opened at a second angle relative to the stationary blade.

Fig. 6 is a schematic structural diagram of a shifting piece according to an embodiment of the present invention.

Fig. 7 is a bottom view of the dynamic holding mechanism provided in the embodiment of the present invention.

Fig. 8 is an exploded view of a dynamic retention mechanism provided in an embodiment of the present invention.

Fig. 9 is a schematic structural view of a guide seat according to an embodiment of the present invention.

Fig. 10 is a top view of a first retention tab according to an embodiment of the present invention.

Fig. 11 is a top view of a second retention tab according to an embodiment of the present invention.

Fig. 12 is a top view of a third retaining tab provided in accordance with an embodiment of the present invention.

Fig. 13 is a front view of a third retaining tab according to an embodiment of the present invention.

Fig. 14 is an exploded view of a fourth retention tab provided in accordance with an embodiment of the present invention.

Fig. 15 is a schematic structural diagram of a fourth retaining sheet according to an embodiment of the present invention.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.

As shown in fig. 1-5, an embodiment of the present invention provides a computerized embroidery machine 10 with a dynamic holding mechanism, including: a shuttle housing component 100 and a dynamic retention mechanism 200. The computerized embroidery machine 10 further comprises other mechanisms (not shown), such as an embroidery machine head, etc., which controls the movement of the embroidery needle, and these prior arts in this field are not described in detail herein.

The shuttle box body part 100 comprises a shuttle box 1000 with a needle board 1010, and a fixed knife 1100 and a movable knife 1200 which are arranged in the shuttle box 1000, wherein the needle board 1010 is provided with needle board holes 1011. The movable knife 1200 can rotate to open and close relative to the fixed knife 1100, and the movable knife 1200 can close relative to the fixed knife 1100 to complete the thread cutting action. The needle plate holes 1011 on the needle plate 1010 can be used for embroidery by the embroidery needles entering and exiting the shuttle box 1000.

The dynamic holding mechanism 200 is provided in the shuttle box 1000, and the dynamic holding mechanism 200 includes a holding piece 2100, a paddle 2200, a torsion spring 2300, and a mounting pin 2400 on the back side of the needle plate 1010.

The mounting pin 2400 is fixedly connected to the back surface of the needle plate 1010, the shifting piece 2200 is rotatably sleeved on the mounting pin 2400, the shifting piece 2200 is connected with the retaining piece 2100, and one end of the retaining piece 2100 is provided with a central hole 2110. The mounting pin 2400 is configured to mount the paddle 2200 and position the paddle 2200 to limit radial movement of the paddle 2200 along the mounting pin 2400. The mounting pins 2400 may be integrally formed with the needle plate 1010, or the mounting pins 2400 and the needle plate 1010 may be separately formed and fixedly connected together by welding, screwing, or the like. The pick 2200 is used to drive the movement of the holding piece 2100, and the central hole 2110 is used to pass the needle of the embroidery needle, i.e., the next first needle.

When the movable knife 1200 opens relative to the fixed knife 1100 at a first angle, the movable knife 1200 is connected with the poking piece 2200, when the movable knife 1200 continues to open relative to the fixed knife 1100, the movable knife 1200 drives the poking piece 2200 to rotate around the mounting pin 2400, meanwhile, the poking piece 2200 drives the retaining piece 2100 to linearly move towards the needle plate hole 1011, until the movable knife 1200 opens relative to the fixed knife 1100 at a second angle, the central hole 2110 is aligned with the needle plate hole 1011, so that a facial thread can be led into the shuttle box 1000 after passing through the needle 1011 hole and the central hole 2110 when the embroidery needle is lifted, and the second angle is larger than the first angle. The first angle is an angle by which the movable blade 1200 rotates from a position closed with the fixed blade 1100 to a position abutting the paddle 2200, and the second angle is an angle by which the movable blade 1200 rotates from a position closed with the fixed blade 1100 to a position in which the center hole 2110 is aligned with the faller bar hole 1011.

The torsion spring 2300 is disposed between the needle plate 1010 and the paddle 2200 to provide a restoring force to the paddle 2200. After the embroidery needle is lifted, the movable blade 1200 is lifted off the needle plate 1010 and moves back to the position where the movable blade 1100 is opened at the first angle relative to the fixed blade 1100, the acting force of the movable blade 1200 on the poking piece 2200 is cancelled, the poking piece 2200 rotates under the action of the restoring force of the torsion spring 2300 and drives the retaining piece 2100 to do linear motion retraction resetting, and the upper thread end is pulled and pressed on the back of the needle plate 1010 by the retaining piece 2100, so that the needle lifting and knotting success rate of the embroidery machine 10 is improved, and the embroidery efficiency is improved.

The embodiment of the utility model provides an embroidery machine 10 has through shuttle box part 100 had move the sword 1200 drive dynamic retention mechanism 200 keep the piece 2100 to make reciprocating linear motion, need not to set up actuating mechanism in addition specially and drive the piece 2100 and catch the facial line that keeps, has saved extra actuating mechanism, simple structure, need not extra driving cost, can reduce cost. Meanwhile, when the embroidery needle is pulled up, the holding piece 2100 of the dynamic holding mechanism 200 can pull and press the head of the upper thread on the back of the needle plate 1010, so that the success rate of pulling and knotting the needle of the embroidery machine 10 is improved, and the embroidery efficiency is improved.

As a preferred embodiment of the present invention, as shown in fig. 6-8, the pick 2200 includes a first sheet 2210, a second sheet 2220 and a third sheet 2230, the second sheet 2220 and the third sheet 2230 are respectively connected to the first sheet 2210, the first sheet 2210 is rotatably sleeved on the mounting pin 2400, the second sheet 2220 is connected to the retaining piece 2100, and the movable blade 1200 is connected to the third sheet 2230 to drive the pick 2200 to rotate around the mounting pin 2400, so that the second sheet 2220 drives the retaining piece 2100 to move linearly. In this embodiment, the poking piece 2200 includes a first piece 2210, a second piece 2220, a third piece 2230, and the like, the first piece 2210 can rotate around the mounting pin 2400, the second piece 2220 is connected with the holding piece 2100 to drive the holding piece, the movable knife 1200 is connected with the third piece 2230 to drive the third piece 2230, and the structure is simple and reliable.

As a preferred embodiment of the present invention, as shown in fig. 6, a protrusion 2231 is provided on the third sheet 2230, and the moving blade 1200 acts on the protrusion 2231 to drive the third sheet 2230. In this embodiment, the movable blade 1200 drives the poke piece 2200 to rotate by driving the protrusion 2231, so that the movable blade is connected with the third piece 2230 to generate acting force.

As a preferred embodiment of the present invention, as shown in fig. 6 to 8, a fork 2120 is disposed in the middle of the retaining sheet 2100, a fork 2221 is disposed at an end of the second sheet 2220 away from the first sheet 2210, and the fork 2120 is disposed in the fork 2221 in a fitting manner. In this embodiment, by providing the coupling structure of the fork post 2120 and the fork opening 2221 between the holder 2100 and the second plate 2220, the second plate 2220 can stably and reliably drive the holder 2100 to linearly reciprocate.

As a preferred embodiment of the present invention, as shown in fig. 6 to 9, the dynamic holding mechanism 200 further includes a guide seat 2500 and a guide pin 2600, the back surface of the needle plate 1010 is fixedly connected to the guide seat 2500, a guide groove 2510 is formed on a surface of the guide seat 2500, which is attached to the back surface of the needle plate 1010, and the other end of the holding piece 2100 passes through the guide groove 2510 and can move linearly along the guide groove 2510; the guide pin 2600 is fixedly connected to the rear surface of the needle plate 1010, a guide hole 2130 is formed in the middle of the holding piece 2100, and the guide pin 2600 passes through the guide hole 2130 and is linearly movable along the guide hole 2130. The guide pins 2600 may be integrally formed with the needle plate 1010, or the guide pins 2600 may be separately formed from the needle plate 1010 and fixedly coupled together by welding, screwing, or the like. In this embodiment, by providing guide holder 2500 attached to the back surface of needle plate 1010 and providing guide groove 2510 fitted to holding piece 2100 on the surface of guide holder 2500 attached to the back surface of needle plate 1010, guide holder 2500 can guide holding piece 2100 to make linear motion, and guide pin 2600 is provided to guide the holding piece 2100, thereby improving the guide effect of the linear motion of holding piece 2100.

As a further improved embodiment of the present invention, as shown in fig. 5, 7 and 8, when the retaining piece 2100 moves linearly to a position where the central hole 2110 is aligned with the needle plate hole 1011, the guide pin 2600 abuts against the wall surface of the retaining piece 2100 in the guide hole 2130 to restrict the retaining piece 2100 from further moving. In this embodiment, the central bore 2110 can be accurately aligned with the needle plate bore 1011 by the further positioning of the guide pins 2600 by the guide holes 2130.

As a preferred implementation manner of the embodiment of the present invention, as shown in fig. 6 to 8, the torsion spring 2300 is sleeved on the mounting pin 2400, one end of the torsion spring 2300 is fixed on the back surface of the needle plate 1010, and the other end of the torsion spring 2300 is hooked on the second sheet 2220. In this embodiment, the torsion spring 2300 is further sleeved on the mounting pin 2400, so that the overall structure is compact, and a stable restoring force can be provided for the shifting piece 2200.

As a preferred embodiment of the present invention, as shown in fig. 6 to 8, the dynamic holding mechanism 200 further includes a limiting sleeve 2700, and the limiting sleeve 2700 is fixed to the outer end of the mounting pin 2400 to limit the movement of the torsion spring 2300 and the first sheet 2210 in the axial direction of the mounting pin 2400. In this embodiment, the stop collar 2700 can stably and reliably mount the torsion spring 2300 and the paddle 2200 on the mounting pin 2400.

As an optional implementation manner of the embodiment of the present invention, the stop collar 2700 is in threaded fit with the mounting pin 2400. In this embodiment, the stop collar 2700 and the mounting pin 2400 are connected through threads, so that the fixing and the dismounting are convenient.

As a preferred embodiment of the present invention, as shown in fig. 6 to 8, a snap spring 2800 is further included, and the snap spring 2800 is clamped at the outer end of the guide pin 2600 to limit the movement of the holding piece 2100 along the axial direction of the guide pin 2600. In this embodiment, the snap spring 2800 restricts the movement of the holding piece 2100 in the axial direction of the guide pin 2600, and ensures that the holding piece 2100 can reliably move linearly.

As a preferred embodiment of the present invention, as shown in fig. 10 to 13, an opening 2140 communicating with the central hole 2110 is formed at one end of the holding piece 2100, the opening 2140 may be formed at the center of one end of the holding piece 2100, or may be formed at a side portion of the center of one end of the holding piece 2100, the opening 2140 may be perpendicular to the holding piece 2100, or the opening 2140 may be inclined with respect to the holding piece 2100. In this embodiment, the opening 2140 can prevent the quality of the embroidery from being reduced due to repeated embroidery caused by the long upper thread being brought back to the fabric after the first needle embroidery is performed when the upper thread is too long and the thread cannot be pulled out.

As a further improved embodiment of the present invention, as shown in fig. 14 and 15, the retaining sheet 2100 includes a retaining sheet main body 2150 and a retaining sheet front section 2160 embedded and fixed at one end of the retaining sheet main body 2150, the fork 2120 is disposed in the middle of the retaining sheet main body 2150, the guide hole 2130 is disposed on the retaining sheet main body 2150 between the fork 2120 and one end of the retaining sheet main body 2150, the central hole 2110 and the opening 2140 are both disposed on the retaining sheet front section 2160, and the retaining sheet front section 2160 is made of an elastic material such as rubber or plastic. The opening 2140 may be formed in the center of the front end of the retaining piece front section 2160, or may be formed in the side of the center of the front end of the retaining piece front section 2160, the opening 2140 may be perpendicular to the retaining piece front section 2160, or the opening 2140 may be inclined with respect to the retaining piece front section 2160. In this embodiment, the front section 2160 of the retaining piece made of plastic or rubber has a certain elasticity to facilitate the detachment of the needle thread.

The embodiment of the present invention further provides a working method of the computer embroidery machine with the dynamic holding mechanism, the computer embroidery machine with the dynamic holding mechanism is the computer embroidery machine 10 with the dynamic holding mechanism as described above, as shown in fig. 1-5, including the following steps:

s1, before the first needle is next inserted into the embroidery needle, the movable blade 1200 continues to open from the position where the movable blade 1100 opens at the first angle, the pick 2200 is driven to rotate around the mounting pin 2400, the pick 2200 drives the retainer 2100 to linearly move towards the needle hole 1011, and the movable blade 1200 stops when moving to the position where the movable blade 1100 opens at the second angle;

s2, an embroidery needle penetrates through the needle plate hole 1011 and the central hole 2110 to get under a first needle, a bottom thread and an upper thread move in a matching manner, the embroidery needle rises to the surface of the needle plate 1010, the movable blade 1200 moves back to a position where the movable blade 1100 is opened at a first angle relative to the fixed blade, the retaining piece 2100 retracts under the action of the restoring force of the torsion spring 2300, and the upper thread is retained on the retaining piece 2100;

s3, the embroidery needle is circularly dropped until the embroidery is finished, the movable knife 1200 is retracted to close the fixed knife 1100 to finish the thread cutting action, and the movable knife 1200 is opened to a position which is opened by a first angle relative to the fixed knife 1100.

The embodiment of the utility model provides an embroidery machine's working method moves the blade 2100 that keeps dynamic holding mechanism 200 through shuttle box part 100 has and makes reciprocating linear motion, need not to set up actuating mechanism in addition specially and drives the blade 2100 and catch the facial line, has saved extra actuating mechanism, and simple structure need not extra driving cost, can reduce cost. Meanwhile, when the embroidery needle is pulled up, the holding piece 2100 of the dynamic holding mechanism 200 can pull and press the head of the upper thread on the back of the needle plate 1010, so that the success rate of pulling and knotting the needle of the embroidery machine 10 is improved, and the embroidery efficiency is improved.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A computerized embroidery machine with a dynamic holding mechanism, comprising: a shuttle housing component and a dynamic retention mechanism; the shuttle box body part comprises a shuttle box with a needle plate, and a fixed knife and a movable knife which are arranged in the shuttle box, and the needle plate is provided with a needle plate hole; the dynamic holding mechanism is arranged in the shuttle box and comprises a holding piece, a shifting piece, a torsional spring and an installation pin, wherein the holding piece, the shifting piece, the torsional spring and the installation pin are positioned at the back side of the needle plate; when the movable knife opens at a first angle relative to the fixed knife, the movable knife is connected with the poking sheet, when the movable knife continues to open relative to the fixed knife, the movable knife drives the poking sheet to rotate around the mounting pin, meanwhile, the poking sheet drives the retaining sheet to do linear motion towards the needle plate hole, until the movable knife opens at a second angle relative to the fixed knife, the central hole is aligned with the needle plate hole, and the second angle is larger than the first angle.

2. The computerized embroidery machine with dynamic holding mechanism according to claim 1, wherein the shifting piece comprises a first piece, a second piece and a third piece, the second piece and the third piece are respectively connected with the first piece, the first piece is rotatably sleeved on the mounting pin, the second piece is connected with the holding piece, the movable blade is connected with the third piece to drive the shifting piece to rotate around the mounting pin, so that the second piece drives the holding piece to do linear motion.

3. The computerized embroidery machine with dynamic holding mechanism according to claim 2, wherein the third plate is provided with a protrusion, and the movable blade is connected with the protrusion to drive the third plate.

4. The computerized embroidery machine with dynamic holding mechanism according to claim 2, characterized in that a fork column is arranged in the middle of the holding piece, and a fork opening is arranged at one end of the second piece body far away from the first piece body, and the fork column is matched and arranged in the fork opening.

5. The computerized embroidery machine with dynamic holding mechanism according to claim 1, characterized in that a guide seat is fixedly connected to the back of the needle plate, a guide groove is formed on one surface of the guide seat, which is attached to the back of the needle plate, and the other end of the holding piece passes through the guide groove and can move linearly along the guide groove; the back of the needle plate is fixedly connected with a guide pin, the middle part of the holding piece is provided with a guide hole, and the guide pin penetrates through the guide hole and can move linearly along the guide hole.

6. The computerized embroidery machine with dynamic holding mechanism according to claim 2, further comprising a stop collar fixed to an outer end of the mounting pin to limit the movement of the torsion spring and the first sheet along the axial direction of the mounting pin.

7. The computerized embroidery machine with dynamic holding mechanism according to claim 5, further comprising a snap spring which is snapped on the outer end of the guide pin to restrict the movement of the holding piece along the axial direction of the guide pin.

8. The computerized embroidery machine with dynamic holding mechanism of claim 1, wherein one end of the holding piece is opened with an opening communicating with the central hole.

9. The computerized embroidery machine with dynamic holding mechanism according to claim 8, wherein the holding piece comprises a holding piece main body and a holding piece front section embedded on one end of the holding piece main body, the central hole and the opening are both arranged on the holding piece front section, and the holding piece front section is made of elastic material.