CN211570994U

CN211570994U - Pleating device

Info

Publication number: CN211570994U
Application number: CN201922274584.2U
Authority: CN
Inventors: 郑曦
Original assignee: Sigma Mattress Equipment Zhejiang Co ltd
Current assignee: Sigma Mattress Equipment Zhejiang Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-09-25
Anticipated expiration: 2029-12-17

Abstract

The utility model provides a pleating device belongs to mechanical technical field. It has solved the problem that current tucking attachment can't satisfy the fabric to the demand of pleating of different fold effects. This pleating device, including frame, motor, shovel head and can drive shovel head linear motion's driving piece, the motor is fixed in the frame, is equipped with drive mechanism between motor and the driving piece to the rotation that makes the motor through drive mechanism can drive the relative frame swing of driving piece. Through motor and driving piece synergism of mutually supporting, changed current conventional pleating the orbit and the mode of pleating, only need the operating duration difference of control motor and driving piece, just can make the shovel head form different movement track to reach the effect of adjusting the angle of pleating and pleating the depth, can satisfy different fabrics to different fold effects or the demand of pleating of same fabric to different fold effects.

Description

Pleating device

Technical Field

The utility model belongs to the technical field of machinery, a tucker is related to.

Background

When people sew fabrics, especially curtains, bedspreads or fashionable clothes, certain parts are often required to be pleated. The conventional pleating device generally includes a transmission mechanism, a swing link, and a feeding blade, wherein the swing link converts rotation of the transmission mechanism into reciprocating motion of the feeding blade, and the feeding blade feeds the cloth to the sewing machine by friction force, so that the cloth is continuously folded.

For example, the Chinese patent application (application number: 201410505505.3) discloses a high-speed automatic pleating device of an industrial sewing machine, which comprises a transmission shaft, a swing frame connecting rod and a feeding shovel sheet; a pinion is fixedly arranged on the transmission shaft, a bull gear meshed with the pinion is arranged above the pinion, and the bull gear is fixedly arranged on a first shaft parallel to the transmission shaft; the tail end of the first shaft is fixedly provided with a first adjusting eccentric wheel, the tail end of the transmission shaft is fixedly provided with a second adjusting eccentric wheel, the first adjusting eccentric wheel is connected with one end of a first eccentric connecting rod through a fisheye joint, the second adjusting eccentric wheel is connected with one end of a second eccentric connecting rod through a fisheye joint, and the other end of the second eccentric connecting rod is connected with the swing frame connecting rod through a fisheye joint; the top end of the swing frame connecting rod is fixedly arranged on a second shaft which is parallel to the transmission shaft, a steering crank is rotatably sleeved on the second shaft, and the other end of the first eccentric connecting rod is connected with the bottom end of the steering crank through a fisheye joint; the bottom of the swing frame connecting rod is rotatably sleeved with a shovel blade mounting shaft connecting column; the one end of shovel piece installation axle spliced pole has set firmly shovel piece installation axle, and the pay-off shovel piece is installed at shovel piece installation epaxial, and the other end of shovel piece installation axle spliced pole is connected with the bottom of connecting rod through a fisheye joint, and the top of connecting rod is connected with the top that turns to the crank through a fisheye joint.

Although the prior pleating device as described above can realize stable pleating, it still has the following defects: because the movement locus of the feeding shovel determines the visual effect of the final folded after being folded, namely, the folded depth or the folded angle is different, so that the finally formed folded is different. And among the current tucking device, the pay-off shovel relies on the effect of rocker connecting rod cooperation drive mechanism to convert the rotation of motor into the reciprocal swing of pay-off shovel and realizes tucking, that is to say, the reciprocating motion orbit of current pay-off shovel is gone on along the swing circumference orbit of its rocker connecting rod, and the tucking orbit is fixed, can only carry out a fixed fold effect to the fabric and tuck, can't satisfy different fabrics to different fold effects or the demand of pleating of same fabric to different fold effects.

In order to meet the requirements of the fabric on different wrinkle effects, the conventional method comprises the following steps: change or adjustment drive mechanism, realize the regulation to the swing range of rocker connecting rod to realize the regulation of material conveying shovel orbit, the operation is inconvenient, need be equipped with a plurality of different drive mechanism moreover, and the cost is higher, still can not realize the arbitrary change fold effect simultaneously.

Disclosure of Invention

The utility model discloses a there is above-mentioned problem to current technique, has proposed a pleating device, the utility model aims to solve the technical problem that: how to solve the problem that current tucking attachment can't satisfy the fabric to the demand of pleating of different fold effects.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a pleating device, includes frame, motor and shovel head, and the motor is fixed in the frame, its characterized in that, this pleating device still including can drive shovel head rectilinear motion's driving piece, the motor with be equipped with drive mechanism between the driving piece, and pass through drive mechanism make the rotation of motor can drive the relative frame swing of driving piece.

This device of pleating is connected the motor with the driving piece transmission through the redesign to the structure, and the shovel head is with driving piece fixed connection, and the motor is used for driving the relative frame swing of driving piece, then the driving piece drive shovel head linear motion realizes pleating. Its orbit of shovel head when realizing pleating constitutes by the swing circumference orbit of motor drive driving piece together with driving piece drive shovel head rectilinear motion's straight line orbit promptly, when pleating, when the fabric has the pleating demand of different fold effects, can realize the regulation to beating the pleat orbit through the time difference of control motor and driving piece operation. For example, the first pleating case is: forming a swinging circular track by controlling the motor to run for 10 seconds, and then controlling the driving piece to drive the shovel head to linearly move to contact with the fabric for pleating, wherein the time difference is 10 seconds; the second pleating case is: controlling a motor to run for 12 seconds to form a swinging circumferential track, and then controlling a driving piece to drive a shovel head to linearly move to contact with the fabric for pleating, wherein the time difference is 12 seconds; and because these two time difference's difference, the orbit of shovel head is also different, and the swing range of motor drive driving piece is different promptly, and the distance that forms between shovel head and the fabric on the driving piece after the swing is also different with the angle, and after driving piece drive shovel head rectilinear motion, its angle and the depth of pleating are also different to can realize the different effect of pleating. That is to say, this tucking attachment has changed the current conventional track of pleating and the mode of pleating through motor and driving piece synergism of mutually supporting, only needs the running time difference of control motor and driving piece, just can make the shovel head form different movement track to reach the effect of adjusting the angle of pleating and the depth of pleating, can satisfy different fabrics to different fold effects or the demand of pleating of same fabric to different fold effects.

In the pleating device, the pleating device further comprises a connecting seat, the connecting seat is connected to the rack in a swinging mode, the driving piece is fixed to the connecting seat, a guide channel is formed between two side plates and between the two side plates, the driving piece is provided with a piston rod, the piston rod is connected with the shovel head through the guide plate, and the guide plate is connected to the inside of the guide channel in a sliding mode. The driving piece is cylinder or pneumatic cylinder, the flexible shovel head that can drive of piston rod of driving piece is straight reciprocating motion, cooperation design through direction passageway and deflector, it is spacing to shovel head left and right sides, the stability that makes the shovel head be straight reciprocating motion is better, the effect of cooperation motor simultaneously, make the shovel head can form stable swing circumference orbit and straight line orbit, and the time difference through control motor and driving piece operation realizes the regulation to beating the pleat orbit, thereby can realize the different effect of pleating.

In the pleating device, the opposite side walls of the two side plates are respectively provided with a guide groove communicated with the guide channel, and the two side edges of the guide plate are respectively embedded into the corresponding guide grooves. The structural design of guide way has further carried on spacingly to both sides about the shovel head for the shovel head is linear reciprocating motion's stability better, cooperates the effect of motor simultaneously, makes the shovel head can form stable swing circumference orbit and straight line orbit, and the time difference through control motor and driving piece operation realizes the regulation to beating the pleat orbit, thereby can realize the different effect of pleating.

In the pleating device, a machine head for sewing is arranged on the machine frame, the motor is arranged above the machine head, the shovel head is positioned on one side of the machine head, the transmission mechanism comprises a screw rod, a screw nut and a connecting rod assembly, the screw rod is fixedly connected with a rotating shaft of the motor, the screw nut is in threaded connection with the screw rod, and the screw nut is in transmission connection with the connecting seat through the connecting rod assembly. The motor rotates and can drive the lead screw to rotate, the lead screw drives the screw to slide, and the screw drives the connecting rod assembly to be linked so that the driving piece swings relative to the rack. Through lead screw and screw cooperation link mechanism turn into the swing of driving piece with the rotation of motor, the transmission precision is higher, has self-locking function after the motor stall moreover between lead screw and the screw to through the time difference of control motor and driving piece operation, realization that can be accurate stable is to the regulation of the orbit of pleating, thereby can realize the different effect of pleating. Alternatively, the transmission mechanism can be a cam and a connecting rod assembly, the cam is connected with a rotating shaft of a motor, the rotating shaft of the motor rotates to drive the cam to rotate, and the cam pushes the connecting rod assembly to realize the swing of the driving piece.

In the pleating device, the connecting rod assembly comprises a swing rod and a connecting rod, the middle of the swing rod is hinged to the machine head, one end of the swing rod is hinged to the nut, the other end of the swing rod is hinged to one end of the connecting rod, the other end of the connecting rod is hinged to the connecting seat, and the connecting seat is hinged to the machine head. The motor rotates and can drive the lead screw and rotate, and the lead screw drives the screw and slides, and the screw promotes the pendulum rod and swings around middle part articulated department to drive the connecting rod around the pin joint swing, promote then to connect and swing at relative aircraft nose, thereby make the shovel head form swing circumference orbit, and the time difference through control motor and driving piece operation realizes the regulation to beating the pleat orbit, thereby can realize the different effect of pleating.

In foretell pleating device, the one end of pendulum rod has two articulated arms, forms the hinge groove between two articulated arms, the fixed cover that is equipped with the adapter sleeve on the screw, the adapter sleeve embedding in the hinge inslot, the both sides of adapter sleeve have convex articulated lug, and it is articulated through the hinge axle respectively between two articulated lugs and the two articulated arms. Realize articulated through two articulated lugs and two articulated arms for the screw removes the swing of promotion pendulum rod that can be more steady around the articulated department in middle part, also can avoid the local reverse atress of screw simultaneously, leads to the screw thread card between screw and the lead screw to die, guarantees normal transmission, thereby realizes the regulation to beating the pleat orbit through the time difference of control motor and driving piece operation, thereby can realize the different effect of pleating.

In the pleating device, the connecting seat is further fixedly provided with a swing arm, one end of the swing arm extends into the space between the two side plates and is fixedly connected with the two side plates, a 7-shaped structure is formed between the swing arm and the two side plates, the other end of the swing arm is hinged above the machine head, and the connecting rod is hinged with one end, far away from the swing arm, of the side plate. Swing arm and both sides board time form 7 types, and overall structure is more reasonable, and the swing is more steady, and the amplitude of oscillation is more extensive to the realization that can be better through the time difference of control motor and driving piece operation is to the regulation of beating the pleat orbit, thereby can realize the different effect of pleating.

In the pleating device, the two sides of the swing arm are also provided with embedded grooves, and the two side plates are embedded into the corresponding embedded grooves. Through foretell setting for the structure between swing arm and the both sides board is more stable, installs convenience more. Simultaneously, because the driving piece is fixed on the board of both sides, consequently the gravity of driving piece all relies on the board of both sides to support, and its gravity direction is the slant decurrent, and the curb plate embedding is in the embedded groove that corresponds, because the effect of driving piece gravity, the border of both sides board can the chucking respectively on the both sides cell wall of embedded groove to make and to keep more stable structure between swing arm and the board of both sides, can not appear becoming flexible, guarantee the precision of pleating.

In the pleating device, a mounting seat is fixed above the machine head, the motor is fixed on the mounting seat, and the swing arm is hinged on the mounting seat and is positioned on one side of the motor. Through the arrangement, the compactness of the whole structure is better.

In the pleating device, the guide plate comprises a first plate connected with the piston rod and a second plate connected with the shovel head, and a Z shape is formed between one side edge of the first plate and one side edge of the second plate. The deflector forms the structure of a Z style of calligraphy in one side to make shovel head operation when pleating main effort all concentrate on one side of deflector Z style of calligraphy, thereby can be with the one side skew of reaction force toward the deflector, because this department unique Z style of calligraphy structure effect, can transmit the curb plate with some through the deflector of reaction force, thereby reduced the reaction force of pleating the in-process to the driving piece, eliminated the concentration of stress, prolonged life. Simultaneously through the transmission of above-mentioned power, at the operation pleating in-process, the deflector is from time to time with the in-process that the reaction force transmitted the curb plate, can arouse the curb plate to take place slight vibrations, can avoid the dust and make up the accumulation such as the line hair that produces between deflector and curb plate, avoid taking place the jam between the two, guarantee the smooth and easy nature of operation.

In the pleating device, the mounting seat is further provided with a dust cover, and the screw rod, the nut and the swing arm are all located in the dust cover. Due to the design of the dust cover, dust in the air, thread and hair generated in the sewing process of the fabric and the like can be well prevented from entering parts such as the screw rod, the screw nut and the swing arm, and the transmission jam of the whole structure is avoided.

Compared with the prior art, this tucker has following advantage:

1. through motor and driving piece synergism of mutually supporting, changed current conventional pleating the orbit and the mode of pleating, only need the operating duration difference of control motor and driving piece, just can make the shovel head form different movement track to reach the effect of adjusting the angle of pleating and pleating the depth, can satisfy different fabrics to different fold effects or the demand of pleating of same fabric to different fold effects.

2. Lead screw and screw cooperation link mechanism turn into the swing of driving piece with the rotation of motor, and the transmission precision is higher, has self-locking function after the motor stall between lead screw and the screw moreover, and stability is good, adjusts the precision height, and it is also better to pleat the effect.

3. The whole structure is compact, and the operation is simple and convenient.

Drawings

FIG. 1 is a perspective view of the present tucking attachment in accordance with one embodiment.

FIG. 2 is a first perspective view of the present tucking attachment with the dust cover omitted, according to one embodiment.

FIG. 3 is a second perspective view of the present tucking attachment of the first embodiment, with the dust cover omitted.

Fig. 4 is a perspective view of the connection seat according to the first embodiment.

Fig. 5 is a three-dimensional structure view of the connecting base without a side plate.

Fig. 6 is a perspective view of the swing arm.

Fig. 7 is a connection structure diagram of the nut and the connecting sleeve.

Fig. 8 is a perspective view of the swing link.

Fig. 9 is a perspective view of the present tucking attachment in a second embodiment.

Fig. 10 is a connecting structure diagram of the connecting seat and the striker plate in the second embodiment.

In the figure, 1, a frame; 1a, a machine head; 2. a motor; 3. a shovel head; 4. a drive member; 5. a transmission mechanism; 5a, a screw rod; 5b, a screw nut; 5c, a swing rod; 5c1, an articulated arm; 5c2, hinge slot; 5d, connecting rods; 6. a connecting seat; 6a, side plates; 6a1, guide groove; 6b, a guide channel; 6c, swinging arms; 6c1, embedded groove; 7. a guide plate; 8. connecting sleeves; 8a, a hinge lug; 9. a mounting seat; 10. a dust cover; 11. a dust cover; 12. a striker plate; 13. installing a slide rail; 14. and (6) installing a sliding block.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1-8, the pleating device comprises a frame 1, a motor 2, a shovel head 3, a connecting seat 6 and a driving piece 4 capable of driving the shovel head 3 to move linearly. The driving member 4 is an air cylinder or a hydraulic cylinder, and in the embodiment, the driving member 4 is an air cylinder.

Specifically, the machine frame 1 is provided with a head 1a for sewing, a mounting seat 9 is fixed above the head 1a, and the motor 2 is fixed on the mounting seat 9. Have both sides board 6a and swing arm 6c on the connecting seat 6, swing arm 6c one end stretches into between the both sides board 6a and the both sides of this end have still seted up embedded groove 6c1, in the embedded groove 6c1 that the embedding of both sides board 6a corresponds and link firmly with swing arm 6c mutually through the fastener, form 7 style of calligraphy structures between swing arm 6c and the both sides board 6a, on the articulated mount pad 9 of the other end of swing arm 6c and the pin joint is located one side of motor 2, overall structure is comparatively compact.

The driving piece 4 is located between the two side plates 6a and is fixed with the two side plates 6a through a fastener, the driving piece 4 is provided with a piston rod and a connecting plate fixedly connected with the piston rod and in an L shape, a guide plate 7 is fixed at the bottom of the connecting plate, and the guide plate 7 is fixedly connected with the shovel head 3. Two sides of the connecting plate and two sides of the guide plate 7 form a step-shaped structure, a guide channel 6b is formed between the two side plates 6a, guide grooves 6a1 communicated with the guide channel 6b are formed on the opposite side walls of the two side plates 6a, two side edges of the connecting plate can be attached to two side walls of the guide channel 6b, the guide plate 7 is connected in the guide channel 6b in a sliding manner, two side edges of the guide plate 7 are respectively embedded into the corresponding guide grooves 6a1, and two side edges of the guide plate 7 are respectively attached to the groove walls of the two guide grooves 6a1, so that a step groove structure is formed on the two side plates 6a, and simultaneously, two sides of the guide plate 7 and two side edges of the connecting plate form a step-shaped slider structure, so as to limit the left side, the right side, the upper side and the lower side of the shovel head 3, and ensure that the shovel head 3 has better stability of linear, even if one side of the connecting plate or the guide plate 7 is worn, the stability can be kept better. The guide plate 7 comprises a first plate connected with the connecting plate and a second plate connected with the shovel head 3, the first plate is a rectangular plate, the second plate is a trapezoidal plate, the wide edge of the first plate is connected with the lower bottom edge of the second plate into a whole, the wide edge of the first plate is smaller than the length of the lower bottom edge of the second plate, the connecting part of the first plate and the second plate is in arc transition, so that the guide plate 7 forms a Z-shaped structure on one side, the shovel head 3 is flaky, the shovel head 3 is fixed at the position, close to the upper bottom edge, of the second plate, one side of the shovel head 3 extends out of the outside of the second plate, main acting force is concentrated on one side of the Z-shaped guide plate 7 when the shovel head 3 runs and is pleated, the acting force can be deviated to one side of the guide plate 7, due to the effect of the special Z-shaped structure, a part of the acting force can be transmitted to the side plate through the guide plate 7, the stress concentration is eliminated, and the service life is prolonged. Simultaneously through the transmission of above-mentioned power, at the operation pleating in-process, deflector 7 is from time to time with the in-process that the reaction force transmitted for the curb plate, can arouse the curb plate to take place slight vibrations, can avoid the dust and make up the accumulation such as the line hair that produces between deflector 7 and curb plate, avoid taking place the jam between the two, guarantee the smooth and easy nature of operation.

A transmission mechanism 5 is arranged between the motor 2 and the driving part 4, and the rotation of the motor 2 can drive the driving part 4 to swing relative to the frame 1 through the transmission mechanism 5.

Further, the transmission mechanism 5 includes a lead screw 5a, a nut 5b, and a link assembly. The screw rod 5a is fixedly connected with a rotating shaft of the motor 2 through a coupler, the nut 5b is in threaded connection with the screw rod 5a, the transmission precision of the screw rod 5a and the nut 5b is high, and the screw rod 5a and the nut 5b have a self-locking function after the motor 2 stops rotating, so that accurate control is facilitated. The screw 5b is sleeved with a connecting sleeve 8, the screw 5b is also provided with an annular flange which is turned outwards, and one end of the connecting sleeve 8 is attached to the annular flange and fixed with the annular flange through a fastener. The connecting rod assembly comprises a swinging rod 5c and a connecting rod 5d, the middle of the swinging rod 5c is hinged to the machine head 1a, one end of the swinging rod 5c is provided with two hinged arms 5c1, a hinged groove 5c2 is formed between the two hinged arms 5c1, the connecting sleeve 8 is embedded into the hinged groove 5c2, two sides of the connecting sleeve 8 are provided with convex hinged lugs 8a, the two hinged lugs 8a are hinged to the two hinged arms 5c1 through hinged shafts respectively, so that the nut 5b can move to more stably push the swinging rod 5c to swing around the hinged position of the middle, meanwhile, local reverse stress of the nut 5b can be avoided, thread jamming between the nut 5b and the screw rod 5a is caused, and normal transmission is guaranteed. The connecting rod 5d comprises a hinge sleeve and two connecting arms arranged on the side walls of the hinge sleeve at intervals, the other end of the swing rod 5c extends into the space between the two connecting arms and is hinged with the connecting arms through a hinge shaft, and the hinge sleeve is hinged with the connecting seat 6 through the hinge shaft.

In addition, still be fixed with striker plate 12 on connecting seat 6, striker plate 12 is located shovel head 3 and keeps away from one side of aircraft nose 1a and fixed with connecting seat 6 through the link plate that is the L type, and striker plate 12's width is far greater than the width of shovel head 3. In this embodiment, still be equipped with control panel on the aircraft nose 1a, control panel is PLC, and motor 2 and driving piece 4 all are connected with control panel and control panel can control motor 2 or the operation of driving piece 4.

Still be equipped with dust cover 10 on the mount pad 9, lead screw 5a, screw 5b and swing arm 5c all are located the below of dust cover 10, and dust in the air and the fabric that can be fine prevent to make up in-process produced line hair etc. and enter into parts such as lead screw 5a, screw 5b and swing arm 5c, avoid causing the driven jam of whole structure.

This tucking attachment shovel head 3 its orbit when realizing tucking is become by the swing circumference orbit of motor 2 drive driving piece 4 and driving piece 4 drive shovel head 3 linear motion's linear orbit jointly. When the pleating device works, when the fabric has pleating requirements with different pleating effects, the pleating track can be adjusted by controlling the time difference of the running of the motor 2 and the driving piece 4 through the control panel. For example, the first pleating case is: through setting up the parameter on control panel, driving piece 4 begins the operation again after control motor 2 moves 10 seconds, motor 2 rotates and drives lead screw 5a and rotate promptly, lead screw 5a drives the slip of screw 5b, screw 5b promotes the swing of pendulum rod 5c, pendulum rod 5c drives the swing of connecting rod 5d, thereby drive connecting seat 6 around articulated swing, after motor 2 moves 10 seconds and forms a swing circular orbit, motor 2 stall, then driving piece 4 moves, 3 linear motion of drive shovel head and fabric contact are wrinkled, this time difference is 10 seconds. The second pleating case is: the parameters are set on the control panel, the driving piece 4 starts to operate after the motor 2 operates for 12 seconds, namely the motor 2 rotates to drive the screw rod 5a to rotate, the screw rod 5a drives the nut 5b to slide, the nut 5b pushes the swing rod 5c to swing, the swing rod 5c drives the connecting rod 5d to swing, so that the connecting seat 6 is driven to swing around the hinged part, after the motor 2 operates for 12 seconds to form a swinging circumferential track, the motor 2 stops operating, then the driving piece 4 operates to drive the shovel head 3 to linearly move to contact with the fabric for pleating, and the time difference is 12 seconds; due to the difference between the two time differences, the moving tracks of the shovel heads 3 are also different, that is, the motor 2 drives the driving part 4 to swing in different amplitude, the distance and the angle formed between the shovel heads 3 on the driving part 4 and the fabric are also different after swinging, and after the driving part 4 drives the shovel heads 3 to move linearly, the pleating angles and the depth are also different. That is to say, this tucking attachment has changed current conventional tucking orbit and tucking mode through motor 2 and the 4 synergism of mutually supporting of driving piece, only needs the operating duration difference of control motor 2 and driving piece 4, just can make shovel head 3 form different movement trajectories to reach the effect of adjusting the angle of tucking and the depth of tucking, can satisfy different fabrics to different fold effects or the demand of tucking of same fabric to different fold effects.

Example two

The structure of the present embodiment is substantially the same as that of the first embodiment, except that: as shown in fig. 9-10, a dust cover 11 capable of covering the guide channel 6b is further fixed on the end surface of one end of each of the two side plates 6a away from the shovel head 3, a mounting slide rail 13 is further fixed at the bottom of the connecting seat 6, a mounting slide block 14 is arranged on the mounting slide rail 13, the striker plate 12 is attached to the back surface of the mounting slide rail 13 and passes through the striker plate 12 and the mounting slide rail 13 in sequence through bolts to be in threaded connection with the mounting slide block 14 to be clamped and fixed on the mounting slide rail 13, and the position of the striker plate 12 is adjustable.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although 1, rack is used more herein; 1a, a machine head; 2. a motor; 3. a shovel head; 4. a drive member; 5. a transmission mechanism; 5a, a screw rod; 5b, a screw nut; 5c, a swing rod; 5c1, an articulated arm; 5c2, hinge slot; 5d, connecting rods; 6. a connecting seat; 6a, side plates; 6a1, guide groove; 6b, a guide channel; 6c, swinging arms; 6c1, embedded groove; 7. a guide plate; 8. connecting sleeves; 8a, a hinge lug; 9. a mounting seat; 10. dust covers, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a pleating device, includes frame (1), motor (2) and shovel head (3), and motor (2) are fixed in frame (1), its characterized in that, this pleating device still including can drive shovel head (3) linear motion's driving piece (4), motor (2) with be equipped with drive mechanism (5) between driving piece (4), and pass through drive mechanism (5) make the rotation of motor (2) can drive driving piece (4) swing frame (1) relatively.

2. The pleating device according to claim 1, further comprising a connecting seat (6), wherein the connecting seat (6) is connected to the frame (1) in a swinging manner, the driving member (4) is fixed on the connecting seat (6), the connecting seat (6) is provided with two side plates (6a) and a guide channel (6b) is formed between the two side plates (6a), the driving member (4) is provided with a piston rod, the piston rod is connected with the shovel head (3) through a guide plate (7), and the guide plate (7) is connected in the guide channel (6b) in a sliding manner.

3. The pleating device according to claim 2, wherein the opposite side walls of the two side plates (6a) are provided with guide grooves (6a1) communicated with the guide channel (6b), and the two side edges of the guide plate (7) are respectively embedded into the corresponding guide grooves (6a 1).

4. The pleating device according to claim 2 or 3, wherein the machine frame (1) is provided with a machine head (1a) for sewing, the motor (2) is arranged above the machine head (1a), the shovel head (3) is arranged at one side of the machine head (1a), the transmission mechanism (5) comprises a screw rod (5a), a screw nut (5b) and a connecting rod assembly, the screw rod (5a) is fixedly connected with a rotating shaft of the motor (2), the screw nut (5b) is in threaded connection with the screw rod (5a), and the screw nut (5b) is in transmission connection with the connecting seat (6) through the connecting rod assembly.

5. The pleating device according to claim 4, wherein the link assembly comprises a swing link (5c) and a connecting link (5d), the middle of the swing link (5c) is hinged to the head (1a), one end of the swing link (5c) is hinged to the screw (5b), the other end is hinged to one end of the connecting link (5d), the other end of the connecting link (5d) is hinged to the connecting seat (6), and the connecting seat (6) is hinged to the head (1 a).

6. The pleating device according to claim 5, wherein one end of the swing link (5c) is provided with two hinged arms (5c1), a hinged slot (5c2) is formed between the two hinged arms (5c1), the nut (5b) is fixedly sleeved with a connecting sleeve (8), the connecting sleeve (8) is embedded into the hinged slot (5c2), two sides of the connecting sleeve (8) are provided with protruding hinged lugs (8a), and the two hinged lugs (8a) and the two hinged arms (5c1) are hinged through hinged shafts respectively.

7. The pleating device according to claim 5, wherein a swing arm (6c) is further fixed on the connecting seat (6), one end of the swing arm (6c) extends into the space between the two side plates (6a) and is fixedly connected with the two side plates (6a), a 7-shaped structure is formed between the swing arm (6c) and the two side plates (6a), the other end of the swing arm (6c) is hinged above the machine head (1a), and the connecting rod (5d) is hinged with one end of the side plate (6a) far away from the swing arm (6 c).

8. The pleating device according to claim 7, wherein the swing arm (6c) is further provided with embedded grooves (6c1) at two sides, and the two side plates (6a) are embedded in the corresponding embedded grooves (6c 1).

9. The pleating device according to claim 7, wherein the guide plate (7) comprises a first plate connected to the piston rod and a second plate connected to the blade (3), the first plate and the second plate forming a zigzag shape between one side edge thereof.

10. The pleating device according to claim 7, wherein a mounting seat (9) is fixed above the machine head (1a), a dust cover (10) is further arranged on the mounting seat (9), and the screw rod (5a), the nut (5b) and the swing arm (6c) are all positioned in the dust cover (10).