CN214219018U - Double-head quilting mechanism of quilter - Google Patents

Abstract

The application relates to a double-head quilting mechanism of a quilter, which relates to the technical field of textile equipment and aims to solve the problem that in order to ensure the fixation of cotton wool and cloth, the cloth can be sewn and reinforced at the two ends of a quilt along the width direction after being sewn and fixed in the length direction; the quilting machine comprises a machine frame, wherein a sliding block is connected to the machine frame in a sliding manner, the bottom of the sliding block is provided with a single-needle machine head, and the single-needle machine heads are provided with two groups; the machine frame is connected with a sliding plate in a sliding mode, the sliding plate is located at the bottom of the sliding block, the sliding plate is provided with shuttle heads in one-to-one correspondence with the single-needle machine heads, and the machine frame is provided with a driving device used for driving the single-needle machine heads and the shuttle heads to move synchronously. The quilt quilting machine has the advantages that quilting efficiency of quilts is remarkably improved, and accordingly production efficiency of the quilts is improved.

Description

Double-head quilting mechanism of quilter

Technical Field

The application relates to the field of textile equipment, in particular to a double-head quilting mechanism of a quilter.

Background

The quilting machine is a textile machine for sewing linear patterns on the surfaces of mattresses, bedspreads, quilts and the like.

In the related technology, the quilting machine comprises a frame, a beam frame is arranged on the frame, a single-needle machine head and a shuttle machine head are arranged on the beam frame, and cloth covered with cotton wool is arranged between the single-needle machine head and the shuttle machine head in a penetrating way and is conveyed along a certain direction. Thereby single needle aircraft nose and shuttle head remove on the cotton fibre surface and make up the line ball to cloth and cotton fibre for cotton fibre and cloth reciprocal anchorage. In the quilt quilting process, the single-needle machine head and the shuttle machine head are matched for use, the quilt is moved along the length direction of the quilt, and the quilting fixation is carried out on the length direction of the two sides of the quilt; after the quilt is quilted and fixed in the length direction, driving the single-needle machine head to move at one end of the quilt along the width direction, and carrying out quilting and fixing on the end part of the quilt; and after one end of the quilt is fixed, the single-needle machine head is moved to the other end of the quilt, the quilt is driven to move along the width direction, and the quilting fixing is carried out on the other end of the quilt.

In view of the above-mentioned related technologies, the inventor believes that there is a defect that the quilting efficiency is reduced and the production efficiency is affected due to frequent reciprocating movement of the quilting machine head, because the machine needs to move to the other end after sewing one end of the quilt, and then sews and fixes the other end.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the efficiency of a quilting machine is low when quilting is carried out on two ends of a quilt, the application provides a double-head quilting mechanism of the quilting machine.

The application provides a quilter duplex head quilting machine constructs adopts following technical scheme:

a double-head quilting mechanism of a quilter comprises a frame, wherein a slide block is connected to the frame in a sliding manner, single-needle heads are arranged at the bottoms of the slide blocks, and two groups of the single-needle heads are arranged; the machine frame is connected with a sliding plate in a sliding mode, the sliding plate is located at the bottom of the sliding block, the sliding plate is provided with shuttle heads in one-to-one correspondence with the single-needle machine heads, and the machine frame is provided with a driving device used for driving the single-needle machine heads and the shuttle heads to move synchronously.

By adopting the technical scheme, the sliding block is connected to the rack in a sliding manner and can drive the single-needle machine head to move together, the sliding plate is connected to the rack in a sliding manner and can drive the shuttle machine head to move together, and the driving device drives the single-needle machine head and the shuttle machine head to move synchronously, so that the single-needle machine head and the shuttle machine head can be matched to form a sewing machine for quilting a quilt; because the two groups of single-needle machine heads are arranged on the sliding blocks, quilting can be carried out on the quilt with double efficiency, and therefore quilting efficiency of the quilt is greatly improved.

Preferably, a cross beam frame is arranged on the rack, the sliding block is connected to the cross beam frame in a sliding mode, the single-needle machine heads are respectively installed on two sides of the sliding block, the shuttle machine heads are installed on the sliding plate and located below the single-needle machine heads, and the driving device is installed on the cross beam frame.

By adopting the technical scheme, the two single-needle machine heads are fixed on two sides of the sliding block, and the sliding block drives the two single-needle machine heads to move simultaneously when moving, so that the tail end of the previous quilt and the head end of the next quilt can be quilted simultaneously, and the occupied space and the equipment cost can be saved while the quilting efficiency is improved.

Preferably, a cross beam frame is arranged on the rack, the sliding block is connected to the cross beam frame in a sliding manner along the length direction, an adjusting plate is arranged at the bottom of the sliding block, and the single-needle machine heads are respectively connected to two ends of the adjusting plate in a sliding manner; the sliding plate is provided with a supporting plate, the shuttle head is connected to the supporting plate in a sliding mode and located below the single-needle head, and the driving device is installed on the cross beam frame.

Through adopting above-mentioned technical scheme, the single needle aircraft nose slides and connects in the both ends of regulating plate, and the shuttle aircraft nose slides and connects in the both ends of single needle aircraft nose to move the head end and the tail end to same quilt respectively with the shuttle aircraft nose through regulating plate and backup pad, can drive regulating plate and backup pad simultaneously and remove when removing through drive arrangement drive slider and slide, thereby improve the efficiency of quilt quilting greatly.

Preferably, a sliding lantern ring sleeved on the adjusting plate is arranged at the top of the single-needle machine head, and a locking piece used for locking the sliding lantern ring is arranged on the sliding lantern ring; the shuttle machine head is characterized in that a limiting lantern ring sleeved on the supporting plate is arranged at the bottom of the shuttle machine head, and a limiting part used for locking the limiting lantern ring is arranged on the limiting lantern ring.

By adopting the technical scheme, the sliding lantern ring on the adjusting plate is matched with the locking piece, so that the position of the single-needle machine head can be locked on the adjusting plate, and the position of the single-needle machine head can be conveniently and quickly fixed; on the other hand, the limiting lantern ring and the limiting piece on the supporting plate are matched with each other to lock the shuttle machine head at the bottom of the single-needle machine head, so that the thread can be supplied to the single-needle machine head; thereby being convenient for adjusting the positions of the single-needle machine head and the shuttle machine head to adapt to quilts with different sizes.

Preferably, the rack is provided with two cross beam frames, the two cross beam frames are arranged along the length direction of the rack, each cross beam frame is connected with a sliding block and a sliding plate in a sliding manner, the sliding plates are positioned below the sliding blocks, and the single-needle machine heads are respectively arranged on the two sliding blocks; the shuttle machine head is arranged on the sliding plate and is positioned below the single-needle machine head, and the driving device is arranged on the cross beam frame.

By adopting the technical scheme, the two sets of single-needle machine heads and the two sets of shuttle machine heads are respectively arranged on the frame through the arrangement of the two cross beam frames, so that quilting can be carried out on two ends of a quilt, and the quilting efficiency of the quilt is greatly improved.

Preferably, one of the cross beam frames is fixed on the rack, the other cross beam frame is provided with a sliding sleeve at the bottom, the sliding sleeve is sleeved on the rack, and the sliding sleeve is provided with a locking piece for locking the cross beam frame.

By adopting the technical scheme, one of the cross beams can slide relative to the rack due to the arrangement of the sliding sleeve, so that the position of one of the cross beams is adjusted, and the length of a quilt is reserved between the two cross beams; and the locking piece is arranged to lock and fix the position of the cross beam frame conveniently, so that the quilting machine can be suitable for quilts of different sizes and can perform quilting fixation on the quilts of different sizes.

Preferably, the driving device comprises a single-needle handpiece driving belt, a shuttle handpiece driving belt, two rotating wheels, two driving wheels and a synchronous belt for driving the single-needle handpiece driving belt and the shuttle handpiece driving belt to synchronously rotate, the two rotating wheels are rotatably connected to the tops of two ends of the cross beam frame, the single-needle handpiece driving belt is sleeved on the rotating wheels, and the sliding block is arranged on the single-needle handpiece driving belt; the two driving wheels are rotatably connected to the cross beam frame and positioned at the bottom of the rotating wheels, the shuttle head driving belt is sleeved on the driving wheels, and the sliding plate is arranged on the shuttle head driving belt; the synchronous belt is sleeved on the rotating wheel and the driving wheel which are positioned on the same vertical line; and a driving piece for driving the rotating wheel to rotate is inserted in one of the rotating wheel or the driving wheel.

By adopting the technical scheme, the single-needle handpiece driving belt is sleeved on the rotating wheel, and the sliding block is arranged on the single-needle handpiece driving belt so as to move along with the single-needle handpiece driving belt; the shuttle head driving belt is sleeved on the rotating wheel, and the sliding plate is arranged on the shuttle head driving belt so as to move together with the shuttle head driving belt; the synchronous belt sleeve is arranged on the rotating wheel and the driving wheel, so that the rotating wheel and the driving wheel can synchronously rotate, the sliding block and the sliding plate are arranged on the same vertical line, the synchronous movement of the single-needle machine head and the shuttle machine head can be ensured, and the shuttle machine head can be matched with the single-needle machine head to provide a bottom line.

Preferably, the top of the shuttle machine head is provided with a bearing plate for bearing cloth, and the bearing plate is provided with a threading hole for hooking a bottom thread.

By adopting the technical scheme, the bearing plate is convenient to support products to be quilted, and the bottom thread can be arranged on the sewing needle in a penetrating mode through the threading hole, so that the products to be quilted can be quilted conveniently.

Preferably, the side wall of the bearing plate is provided with a guide inclined plane for guiding the cloth, and a transition arc angle is arranged between the guide inclined plane and the bearing plate.

By adopting the technical scheme, the edges of the periphery of the bearing plate become smooth due to the arrangement of the guide inclined plane and the transition arc angle, so that sharp edges formed on the periphery of the bearing plate are prevented from damaging the cloth of the quilt, and the quality of the quilt in quilting is ensured.

Preferably, the bottom of the single-needle machine head is provided with a sewing needle, a connecting rod is arranged on one side, located on the sewing needle, of the single-needle machine head, a presser foot is connected to the connecting rod in a sliding mode, an abdicating arc surface is arranged at the bottom of the presser foot, and an abdicating through hole is formed in the position, located below the sewing needle, of the abdicating arc surface.

By adopting the technical scheme, the presser foot connected on the connecting rod in a sliding manner can temporarily press a quilt during sewing, and the arrangement of the abdicating through hole is convenient for a sewing needle to pass through, so that the sewing is ensured to be smoothly carried out; and the abdication cambered surface at the bottom of the presser foot enables the bottom of the presser foot to be smooth, so that cotton or cloth on the surface of a quilt is not easy to scrape in the moving process of the quilt or the single-needle machine head.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the quilt quilting machine has the advantages that the two single-needle machine heads are arranged on the cross beam frame of the machine frame and are used for quilting quilts at the same time, so that the quilting efficiency of quilts is greatly improved, the time for the single-needle machine heads to circularly move on the machine frame is saved, and the quilt production efficiency is improved;

2. the single-needle machine head is arranged on the single-needle machine head driving belt of the rotating wheel, the shuttle machine head is arranged on the shuttle machine head driving belt of the driving wheel, and the synchronous belt is sleeved on one of the rotating wheel and the driving wheel, so that the single-needle machine head and the shuttle machine head can keep relative vertical position synchronous movement, and the matched operation of the single-needle machine head and the shuttle machine head is ensured;

3. by adopting the technology of matching the bearing plate, the threading hole, the guide inclined plane on the bearing plate, the transition arc angle, the connecting rod, the presser foot, the abdicating cambered surface and the abdicating through hole, the quality of the quilt is ensured while the single-needle machine head is ensured to stably operate.

Drawings

Fig. 1 is a schematic view of an overall structure of a double-head quilting mechanism of a quilting machine according to an embodiment of the present application;

FIG. 2 is a schematic diagram for illustrating a structure of a driving device according to an embodiment of the present application;

FIG. 3 is a schematic diagram showing the structure of a single needle head and a shuttle head according to one embodiment of the present application;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;

fig. 5 is a schematic view of the overall structure of a double-head quilting mechanism of a quilting machine in the second embodiment of the present application;

FIG. 6 is a schematic view of a second embodiment of the present application for showing the structure of the adjusting plate and the supporting plate;

fig. 7 is a schematic view of an overall structure of a double-head quilting mechanism of a quilting machine according to a third embodiment of the present application.

Description of reference numerals: 1. a frame; 2. a cross beam frame; 21. a guide rail; 210. an arc groove; 211. a slider; 2111. a clamping plate; 212. a slide plate; 2121. a drive plate; 214. an arc block; 3. a single needle handpiece; 31. a sewing needle; 32. a connecting rod; 321. a sliding groove; 33. a presser foot; 330. a sliding block; 331. a abdication cambered surface; 34. a yielding through hole; 4. a shuttle head; 41. a bearing plate; 411. threading holes; 412. a guide slope; 4121. a transition arc angle; 5. a drive device; 51. a single needle handpiece drive belt; 52. a shuttle head drive belt; 53. a rotating wheel; 54. a drive wheel; 55. a synchronous belt; 56. a drive member; 6. an adjusting plate; 61. a slip collar; 611. a locking member; 7. a support plate; 71. a limiting lantern ring; 711. a limiting member; 8. sliding the sleeve; 81. and a locking piece.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses a double-head quilting mechanism of a quilting machine.

Example 1

Referring to fig. 1 and 2, the double-head quilting mechanism of the quilting machine comprises a frame 1, wherein a cross beam frame 2 is installed on a sleeve bolt on the frame 1, the cross beam frame 2 is a portal frame, and two ends of the cross beam frame are erected and installed on the frame 1. The top and the bottom of the cross beam frame 2 are both provided with guide rails 21 along the length direction, the guide rail 21 at the top is connected with a slide block 211 in a sliding way, and the guide rail 21 at the bottom is provided with a slide plate 212. An arc groove 210 is formed on the side wall of the guide rail 21, and an arc block 214 inserted into the arc groove 210 is arranged on each of the sliding block 211 or the sliding plate 212. The sliding block 211 can also be slidably connected to the beam frame 2 in a keyway sliding manner, which is not described in detail in this embodiment.

Referring to fig. 2, the single needle head 3 is mounted at the bottom of the slider 211, and the single needle heads 3 are mounted one on each of both sides of the slider 211 in the width direction of the beam frame 2. The sliding plate 212 is provided with shuttle heads 4 under the bottom of the single needle head 3, the shuttle heads 4 correspond to the single needle head 3 one by one, and the shuttle heads 4 and the single needle head 3 are mutually matched to form an electric sewing machine so as to quilt quilts.

Referring to fig. 2, a driving device 5 for driving the single needle head 3 and the shuttle head 4 to move together is mounted on the cross beam frame 2, and the driving device 5 includes a single needle head driving belt 51, a shuttle head driving belt 52, two rotating wheels 53, two driving wheels 54, and a timing belt 55 for driving the single needle head driving belt 51 and the shuttle head driving belt 52 to rotate synchronously. The two rotating wheels 53 are rotatably connected to the surfaces of the tops of the two ends of the cross beam frame 2, and the single-needle handpiece driving belt 51 is sleeved on the two rotating wheels 53; a clamping plate 2111 extends from one side of the slider 211, and a single needle head drive belt 51 is mounted in the clamping plate 2111 by bolts so that the slider 211 follows the single needle head drive belt 51.

Referring to fig. 2, two driving wheels 54 are rotatably connected to the surface of the beam frame 2 directly below the bottom of the rotating wheel 53, and the shuttle head driving belt 52 is fitted over the two driving wheels 54. The slider 212 has a drive plate 2121 extending toward a side of the shuttle head drive belt 52, and the shuttle head drive belt 52 is mounted on the drive plate 2121 by bolts so that the slider 212 follows the shuttle head drive belt 52. The synchronous belt 55 is sleeved on the rotating wheel 53 and the driving wheel 54 which are positioned on the same vertical line so that the single-needle machine head driving belt 51 and the shuttle machine head driving belt 52 can move synchronously; a driving member 56 for driving the rotating wheel 53 or the driving wheel 54 to rotate is inserted in one of the rotating wheel 53 or the driving wheel 54, and the driving member 56 can be a servo motor, so as to drive the single-needle machine head 3 and the shuttle machine head 4 to move synchronously.

Referring to fig. 3 and 4, the sewing needle 31 is installed at the bottom of the single-needle machine head 3, a connecting rod 32 is arranged on one side of the single-needle machine head 3, which is located on the sewing needle 31, a sliding groove 321 is formed in the connecting rod 32, and a presser foot 33 is connected to the sliding groove 321 in a sliding manner. A guide rod is arranged at the top of the presser foot 33, and a sliding block 330 inserted in the sliding groove 321 is arranged at one side of the guide rod, which is positioned on the connecting rod 32; the bottom of the presser foot 33 is provided with an abdicating cambered surface 331, the abdicating cambered surface 331 is arc-shaped, and an abdicating through hole 34 for the sewing needle 31 to pass through is arranged below the sewing needle 31 on the abdicating cambered surface 331. When the single-needle head 3 moves towards the quilt, the quilt butts against the presser foot 33 under the action of the abdicating cambered surface 331, and the presser foot 33 moves upwards to press the quilt under the action of the abdicating cambered surface 331, so that the sewing needle 31 can move conveniently.

Referring to fig. 3 and 4, a receiving plate 41 for receiving the cloth is mounted on the top of the shuttle head 4 through a bolt, a threading hole 411 for hooking the bottom thread is formed in the receiving plate 41, and the threading hole 411 is used for the sewing needle 31 to pass through so as to hook the bottom thread on the sewing needle 31.

Referring to fig. 3, a guide inclined plane 412 for guiding the cloth is welded and fixed around the bearing plate 41, and the guide inclined plane 412 is inclined by a bent inclined plane and forms a forty-five degree angle with a horizontal plane where the bearing plate 41 is located. A transition arc angle 4121 is provided between the guiding inclined plane 412 and the receiving plate 41, and the transition arc angle 4121 makes the receiving plate 41 smoothly transited to the guiding inclined plane 412.

The implementation principle of the embodiment 1 is as follows:

in the quilting process of the quilt, the quilt is conveyed to the bottom of the cross beam frame 2 along the length direction of the frame 1, and the quilt is arranged between the single-needle machine head 3 and the bearing plate 41 in a penetrating way. Then, the single-needle machine head 3 and the driving device 5 are started, the driving member 56 in the driving device 5 is started, the driving member 56 drives the single-needle machine head driving belt 51, the shuttle machine head driving belt 52 and the synchronous belt 55 to synchronously rotate, and at the same time, the sliding block 211 and the bearing plate 41 synchronously move along the width direction of the quilt.

During the movement of the slider 211 and the receiving plate 41, the single needle head 3 and the shuttle head 4 cooperate with each other to sew the quilt. Because the single-needle machine heads 3 are respectively arranged at the two sides of the sliding block 211, one of the two single-needle machine heads 3 can carry out quilting on the tail end of the previous quilt, and the other single-needle machine head 3 can carry out quilting on the head end of the next quilt, so that the time of the machine heads moving back and forth at the head end and the tail end of the quilt is saved, and the quilting efficiency is greatly improved.

Example 2

Referring to fig. 5 and 6, the difference between this embodiment and embodiment 1 is that an adjusting plate 6 is installed at the bottom of a slider 211 through a bolt, a single-needle handpiece 3 is installed at two ends of the adjusting plate 6 respectively, a slip collar 61 sleeved on the adjusting plate 6 is welded and fixed at the top of the single-needle handpiece 3, the slip collar 61 is a square metal ring matched with the adjusting plate 6, and the end of the slip collar 61 is a rectangular through hole so as to be sleeved on the adjusting plate 6. The single-needle handpiece 3 can also adopt other sliding connection modes, such as the mode of key groove sliding and the like for adjustment, and the other sliding connection modes are conventional technical means, so the details are not repeated.

Referring to fig. 5 and 6, a locking member 611 for locking the sliding collar 61 is connected to the sliding collar 61 through a screw, the locking member 611 may be a hexagon bolt, the locking member 611 is connected to the sliding collar 61 through a screw and abuts against the upper surface of the adjusting plate 6, and one locking member 611 is arranged at each of four corners of the sliding collar 61, so that the position of the single needle machine head 3 can be locked and fixed on the adjusting plate 6.

Referring to fig. 5 and 6, the sliding plate 212 is fixedly connected with a support plate 7 through bolts, and the shuttle heads 4 are installed on the support plate 7 at the bottom of the single needle head 3 and correspond to the single needle head 3 one by one. The bottom of the shuttle head 4 is fixedly welded with a limiting lantern ring 71 sleeved on the support plate 7, and the limiting lantern ring 71 is sleeved on the support plate 7 in a matching manner. A limiting piece 711 for locking the limiting collar 71 is connected to the limiting collar 71 through threads; the four limiting members 711 are provided and located at four corners of the limiting collar 71, and the limiting members 711 may be bolts, so as to abut against the surface of the supporting plate 7, thereby fixing the position of the shuttle head 4.

The implementation principle of the embodiment 2 is as follows:

in the quilting process of the quilt, the locking member 611 and the limiting member 711 are unscrewed. The single needle head 3 and the shuttle head 4 are moved to a predetermined length so that a length of a whole quilt is reserved between the two single needle heads 3. Then the quilt is moved to the bottom of the single-needle machine head 3 at one end of the supporting plate 7, and the driving device 5 is started after the single-needle machine head 3 and the shuttle machine head 4 are started. The driving device 5 drives the adjusting plate 6 and the supporting plate 7 to move, and the single-needle machine head 3 and the shuttle machine head 4 synchronously move along the width direction of the quilt at the moment to sew the quilt. Because two aircraft noses sew simultaneously, can sew the both ends of quilt length direction simultaneously long-sew to the efficiency of quilting has been improved greatly.

Example 3

Referring to fig. 7, the present embodiment is different from embodiment 1 in that two cross frames 2 are provided along the length direction of the machine frame 1, the top parts of the two cross frames 2 have the same structure, and a slide block 211, a single needle head 3, a slide plate 212, a shuttle head 4 and a driving device 5 are installed on each of the two cross frames.

A sliding frame is welded on the rack 1, one transverse beam frame 2 is welded and fixed on the rack 1, a sliding sleeve 8 sleeved on the rack 1 is welded and fixed at the bottom of the other transverse beam frame 2, and the sliding sleeve is sleeved on the sliding frame along the length direction; the side wall of the sliding sleeve 8 is connected with a locking piece 81 for locking the position of the cross beam frame 2 through threads, and the locking piece 81 can be a bolt so as to lock the position of the cross beam frame 2.

The implementation principle of the embodiment 3 is as follows:

when quilts are needed to be quilted, the cross beam frames 2 capable of sliding are moved to preset positions through the sliding sleeves 8, and the distance between the two cross beam frames 2 is the length of one quilt. The position of the beam 2 is then locked and fixed by the locking member 81. Then the single needle machine head 3, the shuttle machine head 4 and the driving device 5 are started, and the single needle machine heads 3 on the two cross beam frames 2 simultaneously carry out quilting on two ends of the quilt, thereby improving the quilting efficiency.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. A double-head quilting mechanism of a quilter is characterized in that: the needle-free needle machine comprises a machine frame (1), wherein a sliding block (211) is connected to the machine frame (1) in a sliding manner, single-needle machine heads (3) are arranged at the bottom of the sliding block (211), and two groups of single-needle machine heads (3) are arranged; the machine frame (1) is connected with a sliding plate (212) in a sliding mode, the sliding plate (212) is located at the bottom of the sliding block (211), and the sliding plate (212) is provided with shuttle machine heads (4) which correspond to the single-needle machine heads (3) one to one; the machine frame (1) is provided with a driving device (5) for driving the single-needle machine head (3) and the shuttle machine head (4) to synchronously move.

2. The double-head quilting mechanism of a quilting machine of claim 1, wherein: the automatic sewing machine is characterized in that a cross beam frame (2) is arranged on the rack (1), the sliding block (211) is connected to the cross beam frame (2) in a sliding mode, the single-needle machine heads (3) are installed on two sides of the sliding block (211) respectively, the shuttle machine heads (4) are installed on the sliding plate (212), the shuttle machine heads (4) are located below the single-needle machine heads (3), and the driving device (5) is installed on the cross beam frame (2).

3. The double-head quilting mechanism of a quilting machine of claim 1, wherein: a cross beam frame (2) is arranged on the rack (1), the sliding block (211) is connected to the cross beam frame (2) in a sliding mode, an adjusting plate (6) is arranged at the bottom of the sliding block (211), and the single-needle machine heads (3) are connected to two ends of the adjusting plate (6) in a sliding mode respectively; the shuttle machine head (4) is connected to the support plate (7) in a sliding mode and located below the single-needle machine head (3), and the driving device (5) is installed on the cross beam frame (2).

4. The double-head quilting mechanism of a quilting machine of claim 3, wherein: a sliding lantern ring (61) sleeved on the adjusting plate (6) is arranged at the top of the single-needle machine head (3), and a locking piece (611) used for locking the sliding lantern ring (61) is arranged on the sliding lantern ring (61); the shuttle machine head is characterized in that a limiting sleeve ring (71) sleeved on the supporting plate (7) is arranged at the bottom of the shuttle machine head (4), and a limiting piece (711) used for locking the limiting sleeve ring (71) is arranged on the limiting sleeve ring (71).

5. The double-head quilting mechanism of a quilting machine of claim 1, wherein: the single-needle machine head is characterized in that a cross beam frame (2) is arranged on the rack (1), two cross beam frames (2) are arranged along the length direction of the rack (1), each cross beam frame (2) is connected with a sliding block (211) and a sliding plate (212) in a sliding mode, the sliding plates (212) are located below the sliding blocks, and the single-needle machine heads (3) are respectively installed on the two sliding blocks (211); the shuttle machine head (4) is arranged on the sliding plate (212) and is positioned below the single-needle machine head (3), and the driving device (5) is arranged on the cross beam frame (2).

6. The double-head quilting mechanism of a quilting machine of claim 5, wherein: one of them crossbeam frame (2) are fixed in frame (1), and another crossbeam frame (2) bottom is provided with the cover and establishes sleeve (8) that slide on frame (1), be provided with locking part (81) that are used for locking crossbeam frame (2) on sleeve (8) that slides.

7. The double-head quilting mechanism of a quilting machine as claimed in claim 2, 3 or 5, wherein: the driving device (5) comprises a single-needle handpiece driving belt (51), a shuttle handpiece driving belt (52), two rotating wheels (53), two driving wheels (54) and a synchronous belt (55) for driving the single-needle handpiece driving belt (51) and the shuttle handpiece driving belt (52) to synchronously rotate, the two rotating wheels (53) are rotatably connected to the tops of the two ends of the cross beam frame (2), the single-needle handpiece driving belt (51) is sleeved on the rotating wheels (53), and the sliding block (211) is installed on the single-needle handpiece driving belt (51); the two driving wheels (54) are rotatably connected to the cross beam frame (2) and are positioned at the bottom of the rotating wheel (53), the shuttle head driving belt (52) is sleeved on the driving wheels (54), and the sliding plate (212) is installed on the shuttle head driving belt (52); the synchronous belt (55) is sleeved on the rotating wheel (53) and the driving wheel (54) which are positioned on the same vertical line; one of the rotating wheels (53) or the driving wheel (54) is inserted with a driving piece (56) for driving the rotating wheels (53) or the driving wheel (54) to rotate.

8. The double-head quilting mechanism of a quilting machine of claim 7, wherein: the top of the shuttle machine head (4) is provided with a bearing plate (41) for bearing the cloth, and the bearing plate (41) is provided with a threading hole (411) for hooking the bottom thread.

9. The double-head quilting mechanism of a quilting machine of claim 8, wherein: the side wall of the bearing plate (41) is provided with a guide inclined plane (412) for guiding the cloth, and a transition arc angle (4121) is arranged between the guide inclined plane (412) and the bearing plate (41).

10. The double-head quilting mechanism of a quilting machine of claim 1, wherein: the single-needle sewing machine is characterized in that a sewing needle (31) is arranged at the bottom of the single-needle machine head (3), a connecting rod (32) is arranged on one side, located on the sewing needle (31), of the single-needle machine head (3), the connecting rod (32) is connected with a presser foot (33) in a sliding mode, an abdicating arc surface (331) is arranged at the bottom of the presser foot (33), and an abdicating through hole (34) is formed in the position, located below the sewing needle (31), of the abdicating arc surface (331).

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