Lower hem and cuff sewing and embroidering machine

Abstract

The utility model discloses a lower hem and cuff sewing and embroidering machine which comprises a rack, the sliding table mechanism is arranged on the rack so as to drive the cloth basket to horizontally move in the X direction and the Y direction; the machine head assembly is provided with a plurality of groups of machine heads and a motor C which is in driving connection with the plurality of groups of machine heads, and the machine heads are arranged in the width direction of the rack at equal intervals and synchronously act under the driving of the motor C; the lifting mechanism is arranged on the rack, and the machine head assembly is arranged on the lifting mechanism and synchronously ascends and descends along with the lifting mechanism; the rotating shuttle mechanism is arranged on the rack and corresponds to the machine head, so that the rotating shuttle mechanism and the machine head cooperate to complete sewing during circulating rotation; and the automatic thread trimming mechanism is arranged on the rack and used for automatically trimming threads after sewing is finished. According to the scheme, by means of the structure, segmented simultaneous sewing of the lower hem and the cuff is achieved, automatic thread trimming is achieved at the same time, the sewing efficiency of the lower hem and the cuff is greatly improved, and finally the purpose of reducing the manufacturing cost is achieved.

Description

Technical Field

[0001] The utility model relates to a sleeve sewing machine, in particular to a hem and cuff sewing and embroidering machine. Background Art

[0002] Hemming and cuffing are one of the technological steps in garment production. Existing garment hems and cuffs have various forms. Mainly, it is mainly in the form of a ribbing. This type of cuff is to sew a strip of elastic band with width and elasticity on the edge of the cuff or hem of the garment, so that the hem or cuff has a closing effect. However, this method of sewing the elastic band will result in a poor consistency between the position of the hem and cuff and the overall garment, and the garment quality will be reduced by this type of ribbing.

[0003] Another form of hemming and cuffing is to step on a "zigzag" pattern at the hem or cuff of the garment by a sleeve sewing machine, so that the hem and cuff of the garment obtain the ability of elastic expansion and contraction. This type of cuff has a high consistency with the garment and is usually used in high-quality garment designs.

[0004] It should be noted that one of the important reasons why this type of cuff made by sewing cannot be widely used is that when the existing sleeve sewing machine sews the cuff, there is only one sewing head. When sewing a section of the cuff or hem, it needs to be sewn sequentially from one end to the other end, and the efficiency is extremely low, resulting in the production cost of this type of sewn cuff being unable to be reduced all the time. Content of the Utility Model

[0005] The purpose of the utility model is to provide a hem and cuff sewing and embroidering machine to improve the production efficiency and production cost of the hem and cuff.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A hem and cuff sewing and embroidering machine, comprising

[0008] A frame;

[0009] A sliding table mechanism, arranged on the frame to drive the cloth basket to move horizontally in the X and Y directions;

[0010] A sewing head assembly, the sewing head assembly has multiple groups of sewing heads and a motor C drivingly connected to the multiple groups of sewing heads. The sewing heads are arranged at equal intervals along the width direction of the frame and move synchronously under the drive of the motor C;

[0011] A lifting mechanism, arranged on the frame, and the sewing head assembly is arranged on the lifting mechanism and moves up and down synchronously with the lifting mechanism;

[0012] A rotating shuttle mechanism, arranged on the frame and corresponding to the sewing head to cooperate with the sewing head to complete sewing during cyclic rotation;

[0013] An automatic thread cutting mechanism is arranged on the frame to automatically cut the thread after sewing is completed.

[0014] Preferably, the sliding table mechanism includes an X-direction guiding unit and a Y-direction guiding unit. The Y-direction guiding unit is installed on the frame, the X-direction guiding unit is drivingly connected to the Y-direction guiding unit, and a clamping group is drivingly connected to the moving part of the X-direction guiding unit.

[0015] Preferably, the lifting mechanism includes a vertical slide rail arranged on the frame. An installation plate is slidably arranged on the slide rail. The machine heads are arranged at equal intervals on the installation plate. A swing shaft is rotatably arranged on the frame. A first connecting rod extending radially is arranged on the swing shaft. The upper edge of the installation plate is hinged with a second connecting rod. The first connecting rod is hinged with the second connecting rod. One end of the swing shaft is connected to a swing assembly for driving it to rotate.

[0016] Preferably, the swing assembly includes a linear motor hinged to the frame. The end of the telescopic rod of the linear motor is hinged with a third connecting rod. The third connecting rod is fixedly connected to the swing shaft.

[0017] Preferably, the rotating shuttle mechanism includes a transmission shaft A. The transmission shaft A is rotatably arranged on the frame and extends along the width direction of the frame. One end of the transmission shaft A is drivingly connected to a motor A. Uniformly arranged on the transmission shaft A are bevel gears A corresponding to the machine heads one by one. A bevel gear B is rotatably arranged on the frame. The bevel gear A is engaged with the bevel gear B. The bevel gear B is coaxially connected to a rotating shuttle through a rotating shaft.

[0018] Preferably, the automatic thread cutting mechanism includes a transmission shaft B. The transmission shaft B is rotatably arranged on the frame and extends parallel to the transmission shaft A. One end of the transmission shaft B is drivingly connected to a motor B. Uniformly arranged on the transmission shaft B are bevel gears C corresponding to the machine heads one by one. A bevel gear D is rotatably arranged on the frame. The bevel gear C is engaged with the bevel gear D. The bevel gear D is coaxially connected to a transmission gear. A moving blade holder is rotatably sleeved on the rotating shaft. A moving blade that fits the outer surface of the rotating shuttle is arranged on the moving blade holder. A half gear is coaxially arranged on the edge of the moving blade holder. The half gear is engaged with the transmission gear. A fixed blade is also arranged on the frame. Rotate the moving blade so that the moving blade and the fixed blade are in a fitting and staggered state.

[0019] Preferably, a V-shaped fork opening facing the fixed blade is formed on the cutting edge of the moving blade.

[0020] Compared with the prior art, the beneficial effects of the present utility model are:

[0021] In this solution, through the coordinated sewing of multiple sewing heads and the rotating hook mechanism, the existing long sewing distance on the hem and cuffs is decomposed into multiple shorter sewing distances and carried out simultaneously, so as to effectively improve the sewing efficiency of the hem and cuffs. At the same time, an automatic thread cutting mechanism is added to each rotating hook mechanism to realize automatic thread cutting operation of the sewing thread after each sewing head finishes sewing. Compared with the existing manual thread cutting operation after sewing the hem and cuffs, the sewing efficiency of the hem and cuffs is further improved, and finally the purpose of improving efficiency and reducing costs is achieved. Brief Description of the Drawings

[0022] Figure 1 is a schematic structural diagram of the present utility model;

[0023] Figure 2 is a sectional view of the present utility model;

[0024] Figure 3 is Figure 2 an enlarged view of the mark A at the [specific position];

[0025] Figure 4 is an enlarged structural view of the rotating hook mechanism.

[0026] Reference Numerals: 100. Frame 200. Slide Table Mechanism 210. Y-direction Guide Unit 220. X-direction Guide Unit 230. Clamping Group 300. Lifting Mechanism 310. Swing Assembly 311. Linear Motor 312. Link Three 320. Swing Shaft 330. Mounting Plate 340. Link One 350. Link Two 360. Slide Rail 400. Rotating Hook Mechanism 410. Motor A 420. Transmission Shaft A 430. Bevel Gear A 440. Bevel Gear B 450. Rotating Shaft 460. Rotating Hook 500. Sewing Head Assembly 510. Sewing Head 520. Motor C 600. Automatic Thread Cutting Mechanism 610. Motor B 620. Transmission Shaft B 630. Bevel Gear C 640. Bevel Gear D 650. Transmission Gear 660. Moving Blade Holder 670. Moving Blade 671. V-shaped Fork 680. Fixed Blade 690. Half Gear. Detailed Embodiment

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0028] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0029] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0030] As Figures 1 to 4 shown, the hem and cuff sewing machine includes a frame 100, which is welded by section steel or square steel pipes to have high strength and stability. A sliding table mechanism 200 is arranged on the frame. The sliding table mechanism clamps the cloth frame with the cloth stretched thereon and drives the cloth frame to make a coordinated movement in the X direction and the Y direction when sewing the hem or cuff, so that the cloth makes a zigzag reciprocating movement relative to the head assembly, thereby completing the sewing of the hem and cuff.

[0031] It should be noted that the traditional sewing machine with a single head has low efficiency, and manual thread cutting is required after each sewing, resulting in manual labor being restricted in place and a very serious waste of human resources. As a result, the cost of the sewn cuffs is very high and it is difficult to be popularized in clothing.

[0032] Therefore, this solution makes improvements to the existing sewing methods for cuffs and hems to improve the sewing efficiency of cuffs and hems and reduce the labor cost at the same time.

[0033] Specifically, a set of lifting mechanisms 300 are arranged on the frame 100. The lifting mechanisms are located at the upper part of the frame and can be automatically lifted and lowered during the working process.

[0034] A set of head components 500 is installed on the lifting mechanism. The main difference between this head component and the traditional single head is that. The head component 500 has multiple heads 510 (at least two) arranged at equal intervals along the width direction (X-axis direction) of the frame. At the same time, a motor C520 is also installed on the lifting mechanism. It should be noted that, as Figure 1 shown, the output shaft of the motor C is lengthened and can pass through all the juxtaposed heads 510, and the rotation of one motor C drives all the heads 510 to rotate synchronously for work.

[0035] At the same time, a rotary hook mechanism 400 is provided on the lower part of the frame. The rotary hook mechanism is adapted to the head component 500 installed on the lifting mechanism, that is, it has the same number of rotary hooks as the heads and is directly below the heads, so as to perform synchronous movement when the head descends to sew the hem and cuffs, so as to cooperate with the head to complete the sewing of the hem and cuffs.

[0036] In addition, it should also be noted that in this solution, a supporting automatic thread cutting mechanism 600 is also assembled on the rotary hook mechanism. When the sewing of the hem and cuffs is completed, the automatic thread cutting mechanism immediately operates and cuts the upper and lower two yarns of the fabric to complete the thread cutting work that originally needed to be carried out manually by workers.

[0037] It should be noted that in the above embodiment, there are various types of sliding table mechanisms 200. The solution adopted in this solution is to include a Y-direction guiding unit 210, an X-direction guiding unit 220, and a clamping group 230.

[0038] Among them, there are two sets of Y-direction guiding units, which are symmetrically installed on both sides of the frame 100. The Y-direction guiding unit is of the traditional conveyor belt drive form, that is, it includes a housing extending along the Y-axis direction and fixed on the frame 100. A roller can be rotatably provided at each of the front and rear ends of the housing, and one of the rollers is connected to a motor. At the same time, a conveyor belt is wound around the two rollers, and an anchor point is provided on the conveyor belt. After the X-direction guiding unit arranged on the Y-direction guiding unit is fixedly connected to the anchor point, it can move reciprocally in the Y-axis direction with the conveyor belt driven by the roller.

[0039] The structure of the X-direction guiding unit is the same as that of the Y-direction guiding unit, and the difference is that it is arranged along the X-axis direction. And the clamping group fixed to its conveyor belt can move reciprocally along the X-axis direction under the drive of the conveyor belt.

[0040] It should be noted that in this solution, the clamping group 230 is mainly composed of multiple groups of clamping cylinders fixed on the conveyor belt, and the clamping cylinders slide in the chute opened on the housing of the X-direction guiding unit to prevent the situation that the conveyor belt is not stressed and the cloth frame tilts when the clamping cylinders clamp the cloth frame.

[0041] It should also be noted that in the specific implementation, the lifting mechanism can also have various structures. The following forms are listed in this solution for a simple illustration. Specifically, the lifting mechanism 300 includes a set of vertical slide rails arranged on the frame. An installation plate 330 that can slide vertically through the slide rails 360 is installed on the slide rails. The machine head assembly 500 is installed on the installation plate to move up and down accordingly. In order to drive the up and down movement of the machine head assembly on the installation plate, a swing shaft 320 extending along the width direction (X-axis direction) of the frame can be rotatably installed at the top of the frame 100. A plurality of connecting rods one 340 extending radially along the swing shaft are evenly distributed on the swing shaft. At the same time, a plurality of connecting rods two 350 are hinged to the upper edge of the installation plate. As Figure 1 shown, these connecting rods one and connecting rods two are also hinged to each other through a pin shaft. When the swing shaft rotates, the installation plate can be lifted upward by the upward swinging connecting rods one. When the connecting rods one swing downward, the installation plate and the machine head assembly on the installation plate will slide down due to gravity.

[0042] To facilitate the rotation of the swing shaft, a swing assembly 310 is connected to one end of the swing shaft 320 in a driving manner. It should be noted that there are various structures that can drive the swing shaft to rotate, such as connecting it to the swing shaft through a motor reducer, etc. However, the motor reducer has a relatively large volume and high cost. Therefore, in this solution, the rotation of the swing shaft is driven through the lever principle one. Specifically, a connecting rod three 312 extending radially along the swing shaft is provided at one end of the swing shaft. At the same time, a linear motor 311 is installed at the top of the frame 100. The tail end of the linear motor is hinged to the frame, and the telescopic end is hinged to the connecting rod three 312. Then, through the telescoping of the linear motor, the back-and-forth swinging of the connecting rod three is driven, thereby driving the reciprocating rotation of the swing shaft.

[0043] In addition, as Figure 2 、 Figure 3As shown, in this solution, to adapt to the working mode of multiple sewing heads sewing simultaneously, it is necessary to achieve the synchronous movement between the rotating hook mechanism and multiple sewing heads. For this purpose, the solution for the rotating hook mechanism 400 in this solution is as follows: it includes a transmission shaft A 420, which extends along the width direction (X-axis direction) of the machine frame 100 and is rotatably mounted on the machine frame. A plurality of bevel gears A 430 are equidistantly installed on the transmission shaft A, and a plurality of bevel gears B 440 corresponding to the bevel gears A 430 one by one are also rotatably installed on the machine frame. The bevel gear B is meshed and connected with the bevel gear A. Then, when the bevel gear A rotates following the transmission shaft A, it can drive the bevel gear B to rotate accordingly. It should be noted that a rotating shaft 450 is coaxially connected to the outer end of the bevel gear B. The rotating shaft passes through the machine frame and is coaxially connected to a rotating hook 460. During sewing, the bobbin core is installed in the rotating hook and fixed by the stationary hook. As the rotating hook rotates, the sewing thread inserted into the rotating hook following the sewing head winds around the yarn in the bobbin core to complete the stitching on the upper and lower sides of the fabric. It should be noted that in this solution, the principle of the rotating hook driving the bobbin core and cooperating with the upper sewing head to achieve stitching on the fabric is the traditional sewing form of a sewing machine, so it will not be elaborated in detail. The difference between this solution and the traditional solution lies in that through the drive of the transmission shaft A, the synchronous rotation of multiple rotating hooks is achieved, that is, multi-segment simultaneous stitching can be achieved on the fabric. It should be noted that as the power part for driving the transmission shaft A to move. In this solution, a motor A 410 is used. The motor A and the transmission shaft A are drivingly connected through a belt to drive the rotation of the transmission shaft A through the rotation of the motor A. In addition, it should also be noted that the motor A and the transmission shaft A can also be drivingly connected through other connection forms. For example, gear transmission, or coaxial connection between the transmission shaft A and the output shaft of the motor A, etc.

[0044] It should also be noted that the automatic thread cutting mechanism 600 in this solution also has various forms. As a preferred option, the automatic thread cutting mechanism 600 includes a transmission shaft B 620, which is rotatably mounted on the machine frame and extends along the width direction of the machine frame. At the same time, a number of bevel gears C 630 equal to the number of sewing heads are equidistantly arranged on the transmission shaft B. And a number of bevel gears D 640 are rotatably installed on the machine frame. The bevel gear C is meshed and connected with the bevel gear D. At the same time, a transmission gear 650 is coaxially connected to the end of the bevel gear D. The transmission gear is located below the rotating shaft. As Figure 3 、 Figure 4As shown in the figure, a moving blade holder 600 is rotatably sleeved on the rotating shaft of the rotary hook mechanism. An edge portion of the moving blade holder has a semi-gear 690 coaxial with the rotating shaft, and the semi-gear meshes with the transmission gear 650. Then, when the bevel gear C rotates, the bevel gear C drives the bevel gear D to rotate, and then the transmission gears rotate synchronously, driving the meshing semi-gear to rotate. As the semi-gear rotates, the moving blade holder attached to the semi-gear also rotates around the rotating shaft.

[0045] As Figure 3 shown in the figure, a moving blade 670 is also installed on the moving blade holder, and the moving blade is attached to the outer surface of the rotary hook. When rotating relative to the rotary hook, the yarn is pushed in its advancing direction. It should be noted that a fixed blade 680 is also fixedly installed on the frame. The fixed blade is coaxial with the rotary hook, and when the moving blade turns, it passes by in contact with the moving blade, forming a shearing force that cuts the yarn between the two. Preferably, in this solution, the front end of the moving blade has a V-shaped fork 671. When rotating relative to the rotary hook, the yarn enters the V-shaped fork to ensure that the yarn can be stably cut by the moving blade and the fixed blade.

[0046] Working principle:

[0047] The specific working steps for sewing the hem and cuffs in this solution are as follows:

[0048] 1. Tightly fix the hem or cuff to be sewn on the cloth frame.

[0049] 2. Fix the cloth frame on the clamping group of the sliding table mechanism.

[0050] 3. Drive the head assembly to descend through the lifting mechanism.

[0051] 4. Drive the motor C in the head assembly to rotate and synchronously drive the rotary hook mechanism to act. As the motor C rotates, all the heads cooperate with the rotary hook mechanism to start sewing on the fabric. During this period, the sliding table mechanism drives the clamped cloth frame to make a reciprocating "zigzag" movement so that the required sewing line trajectory is sewn on the fabric. It should be noted that during the above sewing process, the sewing distance of each head is significantly reduced compared to the original single-head sewing. Therefore, the sewing of a long hem or cuff is also decomposed into multiple small segments, and the sewing efficiency is significantly improved.

[0052] 5. After sewing is completed, drive the automatic thread cutting mechanism to act to automatically cut the yarn on the fabric. Specifically, motor B acts to drive the rotation of transmission shaft B. As transmission shaft B rotates, bevel gear C on the transmission shaft also rotates synchronously and drives the engaged bevel gear D to rotate. As bevel gear D rotates, the transmission gear also rotates synchronously. The rotation of the transmission gear then drives the engaged half gear to rotate, thereby driving the moving blade holder to rotate on the rotating shaft. It should be noted that due to the function of the half gear, there will be no problem that the moving blade rotates too much and hits the connection between the fixed blade and the machine frame. As the moving blade holder rotates, the moving blade pushes the yarn towards the fixed blade and cuts the yarn when the cutting edges of the fixed blade and the moving blade are staggered, completing the thread cutting action of the yarn.

[0053] 6. After cutting the thread, the lifting mechanism raises the head assembly again to prevent the sewing needle from hitting the removed cloth frame. After the head assembly is raised, the sliding table mechanism sends out the cloth frame and releases it. The worker removes the cloth frame, and one end of the hem or the cuff is quickly and automatically sewn.

[0054] This solution converts the original working mode of a single sewing head sewing a whole hem or cuff into a multi-segment simultaneous sewing and automatic thread cutting mode, greatly reducing the processing efficiency of the hem and cuff. In addition, since this solution has the ability of automatic thread cutting, there is no need for workers to always wait beside the sewing machine for thread cutting operation, liberating one labor force and further reducing the cost of sewing the hem and cuff.

[0055] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Hem cuff embroidery machine, characterized by: include Rack(100); The slide mechanism (200) is arranged on the frame (100) to drive the cloth basket to move horizontally along the X direction and the Y direction; A machine head assembly (500), wherein the machine head assembly (500) comprises a plurality of machine heads (510) and a motor C (520) drivingly connected to the plurality of machine heads (510), wherein the machine heads (510) are arranged at equal intervals along the width direction of the frame (100) and move synchronously driven by the motor C (520); A lifting mechanism (300) is arranged on the frame (100), and the head assembly (500) is arranged on the lifting mechanism (300) and rises and falls synchronously with the lifting mechanism (300); A rotary hook mechanism (400) is arranged on the frame (100) and corresponds to the machine head (510) so as to cooperate with the machine head (510) to complete sewing in a cyclic rotation; The automatic thread cutting mechanism (600) is arranged on the frame (100) so as to automatically cut the thread after sewing is completed.

2. The cuff embroidery machine according to claim 1, characterized in that: The slide mechanism (200) comprises an X-direction guide unit (220) and a Y-direction guide unit (210), wherein the Y-direction guide unit (210) is mounted on a frame (100), the X-direction guide unit (220) is drivingly connected to the Y-direction guide unit, and a clamping unit (230) is drivingly connected to the moving part of the X-direction guide unit (220).

3. The cuff embroidery machine according to claim 2, characterized in that: The lifting mechanism (300) comprises a slide rail (360) vertically arranged on the frame (100), a mounting plate (330) being arranged on the slide rail (360) so as to be able to slide up and down, the machine heads (510) being arranged on the mounting plate (330) at equal intervals, a swing shaft (320) being rotatably arranged on the frame (100), a radially extending connecting rod 1 (340) being arranged on the swing shaft (320), a connecting rod 2 (350) being hinged on the upper edge of the mounting plate (330), the connecting rod 1 (340) being hinged to the connecting rod 2 (350), and one end of the swing shaft (320) being connected to a swing assembly (310) for driving the swing shaft (320) to rotate.

4. The cuff embroidery machine according to claim 3, characterized in that: The swing assembly (310) comprises a linear motor (311) hinged on the frame (100), the end of the telescopic rod of the linear motor (311) is hinged to a third connecting rod (312), and the third connecting rod (312) is fixedly connected to the swing shaft (320).

5. The cuff embroidery machine according to claim 4, characterized in that: The rotary shuttle mechanism (400) comprises a transmission shaft A (420), the transmission shaft A (420) being rotatably arranged on a frame (100) and extending along the width direction of the frame (100), one end of the transmission shaft A (420) being drivingly connected to a motor A (410), the transmission shaft A (420) being evenly arranged with bevel teeth A (430) corresponding to the machine head (510), the frame (100) being rotatably arranged with bevel teeth B (440), the bevel teeth A (430) being meshed with the bevel teeth B (440), and the bevel teeth B (440) being coaxially connected to a rotary shuttle (460) via a rotating shaft (450).

6. The cuff embroidery machine according to claim 5, characterized in that: The automatic thread trimming mechanism (600) comprises a transmission shaft B (620), the transmission shaft B (620) is rotatably arranged on the frame (100) and extends parallel to the transmission shaft A (420), one end of the transmission shaft B is drivingly connected to the motor B (610), the transmission shaft B (620) is evenly provided with bevel teeth C (630) corresponding to the machine head (510), the frame (100) is rotatably provided with bevel teeth D (640), the bevel teeth C (630) are meshed with the bevel teeth D (640), and the bevel teeth D (640) are connected to the bevel teeth C (630). The shaft is connected to a transmission gear (650), a movable blade holder (660) is relatively rotatably sleeved on the rotating shaft (450), a movable blade (670) is arranged on the movable blade holder (660) and is in contact with the outer surface of the rotary shuttle (460), a half gear (690) is coaxially arranged on the edge of the movable blade holder (660), the half gear (690) is meshed with the transmission gear (650), and a fixed blade (680) is also arranged on the frame (100), and the movable blade (670) is rotated so that the movable blade (670) and the fixed blade (680) are in contact and staggered.

7. The cuff embroidery machine according to claim 6, characterized in that: The blade portion of the movable blade (670) is provided with a V-shaped fork opening (671) facing the fixed blade (680).

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