CN220887969U

CN220887969U - Needle bar clutch device of embroidery machine

Info

Publication number: CN220887969U
Application number: CN202322608785.8U
Authority: CN
Inventors: 阮一胜; 阮一飞
Original assignee: Zhuji Honglei Machinery Co ltd
Current assignee: Zhuji Honglei Machinery Co ltd
Priority date: 2023-09-25
Filing date: 2023-09-25
Publication date: 2024-05-03
Anticipated expiration: 2033-09-25

Abstract

The utility model belongs to the field of embroidery machines, and particularly relates to a needle bar clutch device of an embroidery machine, which solves the problem that the clutch swing angle of a needle bar driving block is difficult to adjust. The needle bar clutch device of the embroidery machine comprises a shell, a guide rod vertically fixedly arranged on the shell, a needle bar driver slidingly connected on the guide rod and a needle bar driving mechanism for driving the needle bar driver to move up and down, wherein the needle bar driver is provided with a needle bar butt joint block for realizing lifting synchronization with the axial limit of a matching part of an embroidery needle bar, the needle bar butt joint block is rotationally connected on the needle bar driver, the shell is provided with a clutch driving motor, and the clutch driving motor drives the needle bar butt joint block to rotate through a transmission structure so as to be matched with the embroidery needle bar in a clutch manner. The convenient effect of adjusting the swing angle and the swing speed of the needle bar driving block is realized.

Description

Needle bar clutch device of embroidery machine

Technical Field

The utility model belongs to the field of embroidery machines, and particularly relates to a needle bar clutch device of an embroidery machine.

Background

Along with the progress of science and technology, the automation demand of the embroidery process is higher and higher, and the computerized embroidery machine becomes the main mechanical equipment of the embroidery industry, and the machine head of the embroidery machine mainly realizes the functions of needle bar needle selection, needle bar driving and presser foot driving.

The patent with the publication number of CN109112737A discloses an embroidery machine head and an embroidery machine, the embroidery machine head comprises a presser foot assembly, a lock head assembly and an embroidery needle assembly, the presser foot assembly comprises a driving piece and a main connecting rod, the lock head assembly comprises a lock head connecting rod, a guide seat, a wedge block and a stop piece, two ends of the lock head connecting rod are respectively hinged with the main connecting rod and the wedge block, the embroidery needle assembly comprises a sliding block and a linkage block which are matched with each other in a plug bush manner, the sliding block is provided with a swinging inclined plane, and in the sliding process of the sliding block up and down, the swinging of the main connecting rod can drive the wedge block to push out the stop piece so that the swinging inclined plane is matched with the stop piece in a butt manner, and thus the sliding block is separated from the linkage block to realize the lock head function.

The prior art extends out through the stop piece, so that the swing inclined plane is matched with the stop piece in an abutting mode, the sliding block is separated from the linkage block to realize clutch control, the stop piece and the swing inclined plane are easy to wear, the swing angle is further affected, and the control of the swing angle can only be realized by changing the inclination and the length of the swing inclined plane and is difficult to adjust.

Disclosure of utility model

The utility model aims to solve the problems in the prior art and provides a needle bar clutch device of an embroidery machine.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides an embroidery machine needle bar clutch device, includes casing, the guide arm that vertically sets firmly on the casing, sliding connection needle bar driver on the guide arm and be used for driving this needle bar driver up-and-down action's needle bar actuating mechanism, the needle bar driver on be equipped with be used for realizing the needle bar butt joint piece of lift synchronization with the cooperation portion axial limit of embroidery needle bar, the needle bar butt joint piece rotate and connect on the needle bar driver, the casing on be equipped with separation and reunion driving motor, separation and reunion driving motor pass through transmission structure drive needle bar butt joint piece and rotate in order to cooperate with embroidery needle bar separation and reunion.

The machine shell is provided with the guide rod, the needle bar driver is sleeved on the guide rod and driven to lift by the needle bar driving mechanism, the needle bar driver is rotationally connected with the needle bar butt joint block which can be in butt joint with the matching part of the embroidery needle bar, the needle bar butt joint block can drive the embroidery needle bar to synchronously lift and descend after being in butt joint with the matching part, in addition, the swing of the needle bar butt joint block is driven by the motor component, and particularly, the clutch driving motor is driven to the clutch driving motor through the transmission structure to realize the effect of driving and lifting.

In the embroidery machine needle bar clutch device, the shell is provided with the clutch motor mounting seat, and the clutch driving motor is fixedly arranged on the clutch motor mounting seat.

The clutch driving motor is fixed on the shell through a clutch motor mounting seat.

In the embroidery machine needle bar clutch device, the transmission structure comprises a swinging member, a poking rod and a transmission member, the poking rod is vertically and fixedly arranged on the needle bar butt joint block, the swinging member is rotationally connected to a clutch motor mounting seat, the transmission member is detachably and fixedly arranged on an output shaft of a clutch driving motor, a first transmission module is arranged between the transmission member and the swinging member, and a second transmission module is arranged between the swinging member and the poking rod.

The poking rod is fixedly arranged on the side part of the needle rod butt joint block and is close to the clutch driving motor, the swinging piece is similar to the three-eye connecting rod, one end of the swinging piece is rotationally connected to the clutch motor mounting seat, the other end of the swinging piece is connected with the transmission piece through the first transmission module, the transmission piece is fixed on the clutch motor output shaft, the first transmission module converts the rotation of the transmission piece into the swing of the swinging piece, the second transmission module is used for transmitting the swing of the swinging piece into the swing of the poking rod, the swing surface of the swinging piece is a vertical surface, and the swing surface of the poking rod is a horizontal surface.

In the above-mentioned embroidery machine needle bar clutch device, the clutch motor mount pad on fixedly be equipped with and rotate the reference column, the reference column that rotates be located the rotation route of driving medium and be located clutch driving motor output shaft and keep away from poking rod one side for realize the rotation location of driving medium.

The rotation locating column is set firmly on the rotation route of driving medium, when the driving medium rotates to touch the rotation locating column with predetermineeing the direction of rotation, indicates promptly that the swinging member is in the angle of predetermineeing this moment, has the location effect, simultaneously because the stirring rod has the trend to the swinging member wobbling all the time, the driving medium can support on this locating column this moment, allows separation and reunion driving motor disconnection driving force.

In the above clutch device for the needle bar of the embroidery machine, the first transmission module comprises a sliding bolt and a sliding slot, the sliding slot is formed in the swinging member, and the sliding bolt passes through the sliding slot to be eccentrically and fixedly arranged on the transmission member.

The sliding bolt penetrates through the sliding slot hole to be fixedly arranged on the transmission part, the fixedly arranged connection point is not arranged on the extension line of the output shaft of the clutch driving motor, and the eccentric type clutch driving motor is eccentric, when the transmission part rotates, the displacement of the sliding slot hole in the length direction is converted into the sliding of the sliding bolt in the length direction in the sliding slot hole, and the displacement of the sliding bolt in the width direction is converted into the swinging of the swinging part, so that the transmission effect is good.

In the above clutch device for needle bar of embroidery machine, the sliding slot is bar-shaped, and the length direction is perpendicular to the swinging direction of the swinging member.

The length direction of the sliding slot hole is perpendicular to the swinging direction of the swinging piece, so that the rotation of the transmission piece can be converted into the maximum swinging range.

In the above-mentioned embroidery machine needle bar clutch device, the sliding bolt include bolt pole and bolt head, the bolt pole wear to locate in the sliding slotted hole, bolt pole one end can dismantle and be fixed in on the driving medium, the other end is fixed with the bolt head, the bolt head be circular, and the external diameter is greater than the width of sliding slotted hole.

The bolt is detachably fixed, is convenient for dismouting, and the bolt head is greater than the size of sliding groove hole, has spacing anticreep effect.

In the above-mentioned embroidery machine needle bar clutch device, the second transmission module includes the gyro wheel, the gyro wheel rotate and connect on the swing end of swinging member, the radial plane of gyro wheel be parallel with its swinging surface, the poking rod be located the swing route of gyro wheel, the gyro wheel when swinging stir the poking rod with the drive needle bar butt joint piece rotate for realize the separation and reunion cooperation of needle bar butt joint piece and cooperation portion.

The roller is rotationally connected to the swinging piece and can swing along with the swinging piece to the poking rod, the roller is vertically arranged, and the lifting of the poking rod is not affected when the roller contacts with the poking rod.

In the above-mentioned embroidery machine needle bar clutch device, the poking rod comprises a vertical arc side surface for being matched with the roller, and the highest end and the lowest end in the poking rod lifting process are respectively kept at the upper side and the lower side of the roller.

The vertical arc side surface ensures that the stirring rod and the roller always keep good contact in the stirring process of the needle bar driver. The toggle rod is always positioned at the side of the roller when lifting, and can be in contact fit with the roller all the time.

In the needle bar clutch device of the embroidery machine, a reset torsion spring is arranged between the needle bar butt joint block and the needle bar driver, one end of the reset torsion spring is fixed on the needle bar butt joint block, the other end of the reset torsion spring is fixed on the needle bar driver, and the reset torsion spring enables the toggle rod to have a trend of approaching to the idler wheels.

The reset torsion spring enables the poking rod to always have a reset trend, namely always have a trend of rotating in the opposite direction of the poked direction, and the poking torsion spring is matched with poking of the idler wheel to achieve a bidirectional rotation control effect, so that the requirement of clutch control is met.

Compared with the prior art, the utility model has the following advantages:

1. The swing of needle bar butt joint piece passes through motor assembly drive, realizes the effect that the drive goes up and down to the clutch driving machine through transmission structure transmission on specifically, compares when the needle bar driver that adopts at present mostly goes up and down, on the inclined plane that sets up on it bumps into the electro-magnet subassembly output that stretches out and is guided wobbling scheme, through motor and transmission structure's control scheme, swing angle and swing speed all can carry out accurate control, be convenient for realize overall structure's cooperation.

2. The rotation locating column is set firmly on the rotation route of driving medium, when the driving medium rotates to touch the rotation locating column with predetermineeing the direction of rotation, indicates promptly that the swinging member is in the angle of predetermineeing this moment, has the location effect, simultaneously because the stirring rod has the trend to the swinging member wobbling all the time, the driving medium can support on this locating column this moment, allows separation and reunion driving motor disconnection driving force.

3. The sliding bolt penetrates through the sliding slot hole to be fixedly arranged on the transmission part, the fixedly arranged connection point is not arranged on the extension line of the output shaft of the clutch driving motor, and the eccentric type clutch driving motor is eccentric, when the transmission part rotates, the displacement of the sliding slot hole in the length direction is converted into the sliding of the sliding bolt in the length direction in the sliding slot hole, and the displacement of the sliding bolt in the width direction is converted into the swinging of the swinging part, so that the transmission effect is good.

4. The length direction of the sliding slot hole is perpendicular to the swinging direction of the swinging piece, so that the rotation of the transmission piece can be converted into the maximum swinging range.

5. The roller is rotationally connected to the swinging piece and can swing along with the swinging piece to the poking rod, the roller is vertically arranged, and when the roller contacts with the poking rod, the lifting of the poking rod is not affected through the rotation of the roller.

6. The vertical arc side surface ensures that the needle bar driver always keeps good contact between the poking rod and the roller in the poking process. The toggle rod is always positioned at the side of the roller when lifting, and can be in contact fit with the roller all the time.

Drawings

FIG. 1 is a schematic rear view of an overall structure provided by the present utility model;

FIG. 2 is a schematic view of the structure of the interior of the housing provided by the present utility model;

FIG. 3 is a schematic view of the clutch device for the needle bar of the embroidery machine according to the present utility model;

FIG. 4 is a schematic illustration of the connection between the needle bar interface block and the needle bar driver provided by the present utility model;

fig. 5 is a schematic diagram of connection between a transmission member and a swinging member.

In the drawing, a machine shell 1, a guide rod 2, an embroidery needle bar 3, a needle selecting frame 4, a needle bar driver 10, a needle bar driving mechanism 11, a needle bar butt joint block 12, a matching part 13, a clutch driving motor 30, a transmission structure 31, a clutch motor mounting seat 32, a swinging piece 33, a poking rod 34, a transmission piece 35, a first transmission module 36, a sliding bolt 37, a sliding slot 38, a bolt 39, a bolt head 40, a second transmission module 41, a rotation positioning column 42, a roller 43, a vertical arc-shaped side surface 44 and a reset torsion spring 45.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

1-5, The needle bar clutch device of the embroidery machine comprises a machine shell 1, a guide rod 2 vertically fixed on the machine shell 1, a needle bar driver 10 in sliding connection with the guide rod 2, and a needle bar driving mechanism 11 for driving the needle bar driver 10 to move up and down, wherein the needle bar driver 10 is provided with a needle bar butt joint block 12 for realizing lifting synchronization with the axial limit of a matching part 13 of an embroidery needle bar 3, the needle bar butt joint block 12 is rotationally connected to the needle bar driver 10, the machine shell 1 is provided with a clutch driving motor 30, and the clutch driving motor 30 drives the needle bar butt joint block 12 to rotate through a transmission structure 31 so as to be in clutch fit with the embroidery needle bar 3.

Specifically, the guide rod 2 is arranged on the casing 1 of the utility model, the needle bar driver 10 is sleeved on the guide rod 2 and driven to lift by the needle bar driving mechanism 11, the needle bar driver 10 is rotatably connected with the needle bar butt joint block 12 which can butt joint with the matching part 13 of the embroidery needle bar 3, the needle bar butt joint block 12 can drive the embroidery needle bar 3 to synchronously lift and descend after butt joint with the matching part 13, in addition, the swing of the needle bar butt joint block 12 is driven by a motor assembly, and particularly, the clutch driving motor 30 is driven to the clutch driving motor through a transmission structure 31 to realize the effect of driving and lifting.

As shown in fig. 3 and 4, the casing 1 is provided with a clutch motor mounting seat 32, and the clutch driving motor 30 is fixedly arranged on the clutch motor mounting seat 32. The transmission structure 31 comprises a swinging member 33, a poking rod 34 and a transmission member 35, wherein the poking rod 34 is vertically and fixedly arranged on the needle rod butt joint block 12, the swinging member 33 is rotationally connected to the clutch motor mounting seat 32, the transmission member 35 is detachably and fixedly arranged on an output shaft of the clutch driving motor 30, a first transmission module 36 is arranged between the transmission member 35 and the swinging member 33, and a second transmission module 41 is arranged between the swinging member 33 and the poking rod 34. The clutch motor mounting seat 32 is fixedly provided with a rotation positioning column 42, and the rotation positioning column 42 is positioned on the rotation path of the transmission member 35 and positioned on one side of the output shaft of the clutch driving motor 30 far away from the toggle rod 34 and is used for realizing the rotation positioning of the transmission member 35. The first transmission module 36 includes a sliding bolt 37 and a sliding slot 38, the sliding slot 38 is opened on the swinging member 33, and the sliding bolt 37 passes through the sliding slot 38 and is eccentrically fixed on the transmission member 35. The sliding slot 38 is bar-shaped, and its length direction is perpendicular to the swinging direction of the swinging member 33. The second transmission module 41 includes a roller 43, the roller 43 is rotatably connected to the swinging end of the swinging member 33, the radial plane of the roller 43 is parallel to the swinging surface thereof, the toggle rod 34 is located on the swinging path of the roller 43, and when the roller 43 swings, the toggle rod 34 is toggled to drive the needle rod butt joint block 12 to rotate, so as to realize clutch cooperation between the needle rod butt joint block 12 and the cooperation portion 13.

Specifically, the clutch driving motor 30 is fixed to the casing 1 by a clutch motor mount 32. The toggle rod 34 is fixedly arranged on the side part of the needle rod butt joint block 12 and is close to the clutch driving motor 30, the swinging piece 33 is similar to a three-eye connecting rod, one end of the swinging piece 33 is rotationally connected to the clutch motor mounting seat 32, the other end of the swinging piece is connected with the transmission piece 35 through the first transmission module 36, the transmission piece 35 is fixed on the clutch motor output shaft, the first transmission module 36 converts the rotation of the transmission piece 35 into the swinging of the swinging piece 33, the second transmission module 41 is used for transmitting the swinging of the swinging piece 33 into the swinging of the toggle rod 34, the swinging surface of the swinging piece 33 is a vertical surface, and the swinging surface of the toggle rod 34 is a horizontal surface. The rotation positioning column 42 is fixedly arranged on the rotation path of the transmission member 35, when the transmission member 35 rotates in a preset rotation direction until the transmission member 35 contacts the rotation positioning column 42, the swing member 33 is at a preset angle, and the positioning effect is achieved. The sliding bolt 37 passes through the sliding slot hole 38 to be fixedly arranged on the transmission member 35, and the fixedly arranged connection point is not arranged on the extension line of the output shaft of the clutch driving motor 30, so that the eccentric type clutch driving motor has good transmission effect, when the transmission member 35 rotates, the displacement of the sliding slot hole 38 in the length direction is converted into the sliding of the sliding bolt 37 in the sliding slot hole 38 in the length direction, and the displacement of the sliding bolt 37 in the width direction is converted into the swinging of the swinging member 33. The length direction of the sliding slot 38 is perpendicular to the swinging direction of the swinging member 33, so that the rotation of the transmission member 35 can be converted to obtain the maximum swinging range. The roller 43 is rotatably connected to the swinging member 33 and can swing along with the swinging member 33 to the toggle rod 34, and the roller 43 is vertically arranged, so that the lifting of the toggle rod 34 is not affected when the roller 43 contacts with the toggle rod 34.

As an optimization, the sliding bolt 37 comprises a bolt rod 39 and a bolt head 40, the bolt rod 39 is arranged in the sliding slotted hole 38 in a penetrating mode, one end of the bolt rod 39 is detachably fixed on the transmission piece 35, the bolt head 40 is fixed at the other end of the bolt rod, the bolt head 40 is round, and the outer diameter of the bolt head is larger than the width of the sliding slotted hole 38.

In other words, the bolt 39 is detachably fixed, so that the bolt head 40 is larger than the sliding slot 38 in size, and has a limiting and anti-falling effect.

Preferably, the tap lever 34 includes a vertical arcuate side 44 for engagement with the roller 43, and the highest and lowest ends of the tap lever 34 during lifting are maintained on the upper and lower sides of the roller 43, respectively. The vertical arcuate sides 44 ensure that good contact is maintained between the tap lever 34 and the roller 43 throughout the tap lever actuator 10 during the tap process. The toggle rod 34 is always located at the side of the roller 43 when lifting, i.e. can be in contact fit with the roller 43 all the time.

As shown in fig. 4, a reset torsion spring 45 is provided between the needle bar butt joint block 12 and the needle bar driver 10, one end of the reset torsion spring 45 is fixed on the needle bar butt joint block 12, the other end is fixed on the needle bar driver 10, and the reset torsion spring 45 causes the toggle rod 34 to have a tendency to approach the roller 43.

Specifically, the reset torsion spring 45 makes the toggle rod 34 always have a reset trend, that is, always have a trend of rotating in the opposite direction to the toggled direction, and cooperates with the toggling of the roller 43 to realize a bidirectional rotation control effect, thereby meeting the requirement of clutch control.

The specific working principle is as follows: the needle bar driving block moves up and down to reciprocate on the guide rod 2, when the needle bar driver 10 is in butt joint with the matching part 13, the toggle rod 34 is in contact with the roller 43, and pressure is applied to the roller 43 under the action of the reset torsion spring 45, at the moment, the transmission piece 35 abuts against the rotating positioning column 42, and along with the lifting of the needle bar driver 10, the roller 43 rolls on the toggle rod 34. When the butt joint is required to be released, the clutch driving motor 30 rotates, the swinging piece 33 swings to the poking rod 34, the poking rod 34 rotates to drive the connected needle bar driver 10 to rotate, and the butt joint of the needle bar driver 10 and the matching part 13 is released.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides an embroidery machine needle bar clutch, includes casing (1), vertical guide arm (2) that sets firmly on casing (1), needle bar driver (10) and be used for driving this needle bar driver (10) up-and-down action's needle bar actuating mechanism (11) on guide arm (2), needle bar driver (10) on be equipped with be used for with embroidery needle bar (3) cooperation portion (13) axial spacing realize the synchronous needle bar butt joint piece (12) of lift, a serial communication port, needle bar butt joint piece (12) rotate connect on needle bar driver (10), casing (1) on be equipped with separation and reunion driving motor (30), separation and reunion driving motor (30) through transmission structure (31) drive needle bar butt joint piece (12) rotate in order to cooperate with embroidery needle bar (3) separation and reunion.

2. The embroidery machine needle bar clutch device according to claim 1, wherein the casing (1) is provided with a clutch motor mounting seat (32), and the clutch driving motor (30) is fixedly arranged on the clutch motor mounting seat (32).

3. The embroidery machine needle bar clutch device according to claim 2, wherein the transmission structure (31) comprises a swinging member (33), a toggle rod (34) and a transmission member (35), the toggle rod (34) is vertically and fixedly arranged on the needle bar butt joint block (12), the swinging member (33) is rotationally connected to a clutch motor mounting seat (32), the transmission member (35) is detachably and fixedly arranged on an output shaft of a clutch driving motor (30), a first transmission module (36) is arranged between the transmission member (35) and the swinging member (33), and a second transmission module (41) is arranged between the swinging member (33) and the toggle rod (34).

4. The embroidery machine needle bar clutch device according to claim 3, wherein the clutch motor mounting seat (32) is fixedly provided with a rotation positioning column (42), the rotation positioning column (42) is located on the rotation path of the transmission member (35) and located on one side of the output shaft of the clutch driving motor (30) far away from the toggle rod (34) for realizing the rotation positioning of the transmission member (35).

5. The clutch device for the needle bar of the embroidery machine according to claim 3 or 4, wherein the first transmission module (36) comprises a sliding bolt (37) and a sliding slot hole (38), the sliding slot hole (38) is opened on the swinging member (33), and the sliding bolt (37) is eccentrically fixed on the transmission member (35) through the sliding slot hole (38).

6. The clutch device according to claim 5, wherein the sliding slot (38) is bar-shaped and has a length direction perpendicular to the swinging direction of the swinging member (33).

7. The embroidery machine needle bar clutch device as claimed in claim 6, wherein the sliding bolt (37) comprises a bolt rod (39) and a bolt head (40), the bolt rod (39) is arranged in the sliding slot hole (38) in a penetrating way, one end of the bolt rod (39) is detachably fixed on the transmission piece (35), the other end of the bolt rod is fixed with the bolt head (40), the bolt head (40) is round, and the outer diameter of the bolt head is larger than the width of the sliding slot hole (38).

8. The needle bar clutch device of the embroidery machine according to any one of claims 3 to 7, wherein the second transmission module (41) comprises a roller (43), the roller (43) is rotatably connected to the swinging end of the swinging member (33), the radial plane of the roller (43) is parallel to the swinging plane thereof, the poking rod (34) is located on the swinging path of the roller (43), and the poking rod (34) is poked to drive the needle bar butt joint block (12) to rotate when the roller (43) swings, so as to realize the clutch fit of the needle bar butt joint block (12) and the matching part (13).

9. The needle bar clutch device of the embroidery machine according to claim 8, wherein the poking rod (34) comprises a vertical arc-shaped side surface (44) for being matched with the roller (43), and the highest end and the lowest end of the poking rod (34) are respectively kept on the upper side and the lower side of the roller (43) in the lifting process.

10. The needle bar clutch device of the embroidery machine according to claim 8, wherein a reset torsion spring (45) is arranged between the needle bar butt joint block (12) and the needle bar driver (10), one end of the reset torsion spring (45) is fixed on the needle bar butt joint block (12), the other end of the reset torsion spring is fixed on the needle bar driver (10), and the reset torsion spring (45) enables the toggle rod (34) to have a trend of approaching to the roller (43).