CN212834411U

CN212834411U - Quilting machine

Info

Publication number: CN212834411U
Application number: CN202021379215.6U
Authority: CN
Inventors: 张章生
Original assignee: Sichuan Kiase Sewing Machine Co ltd
Current assignee: Sichuan Kiase Sewing Machine Co ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-03-30
Anticipated expiration: 2030-07-14

Abstract

The utility model relates to a quilter, which comprises a frame and a clamping frame, wherein the clamping frame is movably arranged on the frame, the frame is provided with two groups of longitudinal driving devices, and the two groups of longitudinal driving devices are respectively connected with the clamping frame and are used for synchronously driving the clamping frame to move along the longitudinal direction of the frame; the utility model provides a quilter, simple structure, compactness, can ensure that the clamp frame is along the strict synchronous motion of Y direction, the split of not only being convenient for to pack and transport, be convenient for equipment and assembly moreover, raise the efficiency is favorable to improving sewing size and sewing precision.

Description

Quilting machine

Technical Field

The utility model relates to a weaving equipment technical field, concretely relates to quilter.

Background

The quilting machine is a textile machine for sewing linear patterns on mattresses, bedspreads, quilts and the like, has the characteristics of strong seam thickness capability, high quilting pattern complexity, strong independent pattern editing capability and the like, and is widely applied in the textile industry.

An existing quilting machine generally includes a frame for supporting, a gantry (or called a beam or a saddle) transversely disposed on the frame, a machine head disposed on the gantry, a machine base disposed below the machine head and matched with the machine head, a clamping frame (or called a quilting frame) disposed on the frame, a longitudinal driving device for driving the clamping frame to move longitudinally (i.e., to move along a Y direction), a transverse driving device for driving the machine head and the machine base to move transversely and synchronously (i.e., to move along an X direction), and a vertical driving device for driving the machine head to move vertically (i.e., to move along a Z direction); in actual operation, the longitudinal driving device can drive the clamping frame to move along the Y direction, the transverse driving device can drive the machine head and the machine base to synchronously move along the X direction, so that the machine head can move in a horizontal plane relative to textile fabrics, sewing processing is carried out according to preset stitches, the machine head is driven by the vertical driving device to move along the Z direction, and quilting of the machine head can be controlled.

However, the existing quilting machines have some disadvantages, 1, the longitudinal driving device in the existing quilting machine has complex structure and high cost, and has the problem of poor synchronism in the process of driving the clamping frame to move along the Y direction, so that the motions of the two ends of the clamping frame have difference, and the machine head can not accurately carry out sewing processing along the preset stitch, and especially for the quilting machines with larger processing size, such as the quilting machines with the quilting width larger than 3 meters, the phenomenon is more obvious, and the sewing error is larger; 2. the existing large quilting machines are large in size, generally need to be packaged and transported in sections, and assembled at a destination, and due to the influence of a longitudinal driving device, the existing large quilting machines are inconvenient to disassemble and assemble, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to improve the not enough that exists among the prior art, provide a simple structure, compactness, press from both sides frame along the strict synchronous quilter of Y direction, the split of not only being convenient for to pack and transport, be convenient for moreover equipment and assembly, raise the efficiency, be favorable to improving sewing size and sewing precision.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model discloses the first aspect will be solved the double-layered frame and remove the problem strictly synchronous and be convenient for split and equipment along the Y direction, provides a quilter, including frame and double-layered frame, the double-layered frame activity set up in the frame, the frame is provided with two sets of longitudinal drive device, two sets of longitudinal drive device respectively with the double-layered frame links to each other for the longitudinal direction of synchronous drive double-layered frame along the frame removes. In the scheme, two groups of mutually independent longitudinal driving devices are arranged and are respectively connected with two ends of the clamping frame, so that on one hand, the clamping frame can be driven to move along the Y direction to adjust the position relation between the clamping frame and the machine head, and the strict synchronization of the movement of the two ends of the clamping frame can be ensured, so that the machine head can accurately perform sewing processing along a preset stitch, and particularly, the sewing precision can be effectively improved for a quilting machine with a larger processing size, such as a quilting machine with a quilting width larger than 2 meters; on the other hand, two groups of mutually independent longitudinal driving devices are arranged, so that the two groups of longitudinal driving devices can be respectively disassembled and packaged in different modules, sectional packaging and transportation of the quilting machine are facilitated, rapid assembly and assembly on site are facilitated, in addition, the sewing size is facilitated to be improved, and modularization and maximization of the quilting machine are facilitated.

Preferably, the two sets of longitudinal driving devices are respectively and symmetrically arranged on the frame. The two ends of the clamping frame are provided with symmetrical driving forces, the two ends of the clamping frame are ensured to move strictly synchronously, and meanwhile, the clamping frame is symmetrically arranged, so that the rapid assembly and the assembly in the later period are facilitated.

The utility model discloses the second aspect will be solved and press from both sides vertical drive, transmission and the linear motion problem of frame, it is preferred, vertical drive arrangement includes driving motor, screw rod, sets up in the nut of screw rod and is used for preventing the about portion of nut pivoted, the screw rod constitutes screw drive mechanism with the nut, the screw rod sets up along the vertical direction of frame, the nut with it links to each other to press from both sides the frame, driving motor is used for the drive the screw rod rotates. In this scheme, driving motor drive screw rod rotates, and the nut can not rotate because of receiving the restraint of restricted portion, and can only move along the length direction of screw rod through the meshing with the screw rod to drive the vertical direction removal of pressing from both sides the frame in step along the frame, reach the control and set up in the fabric that presss from both sides the frame and move for the aircraft nose along vertical (Y direction) the purpose.

Preferably, the driving motor is a stepping motor or a servo motor.

Preferably, the driving motor is connected with the screw rod or connected with the screw rod through a transmission component. The output shaft of the driving motor can be directly connected with the screw rod and also can be connected with the screw rod through the transmission part, so that the driving motor is more conveniently and reasonably arranged.

Preferably, the transmission component is one or more of a coupling, a gear transmission mechanism or a turbine-worm transmission mechanism.

Preferably, the constraint part comprises a guide rail arranged along the longitudinal direction of the rack and a slider matched with the guide rail, the guide rail and the slider form a sliding pair, the guide rail is fixed on the rack, and the slider is connected with the nut;

or the restriction part comprises a guide rod arranged along the longitudinal direction of the rack and a sleeve sleeved on the guide rod, the guide rod and the sleeve form a sliding pair, the guide rod is fixed on the rack, and the sleeve is connected with the nut;

or, the restriction part comprises a protrusion arranged on the nut and a sliding groove arranged on the rack, the sliding groove is arranged along the longitudinal direction of the rack, and the protrusion is inserted into the sliding groove and forms a sliding pair with the sliding groove. In this scheme, the restriction portion not only can prevent effectively that the nut from rotating under the drive of screw rod, can play the effect of direction for the removal of nut moreover.

In order to facilitate the connection of the clamping frame, the clamping frame further comprises a connecting frame, and the connecting frame is respectively connected with the nut and the clamping frame. Through setting up the link, not only the transmission of being convenient for, the longitudinal drive device of arranging more convenient for moreover.

Preferably, the clamping frame and the frame form a moving pair along the longitudinal direction of the frame. So as to strictly restrict the movement of the clamping frame, and the clamping frame can only move along the longitudinal direction, thereby being beneficial to improving the sewing precision.

The linear constraint mechanism comprises a sliding rail arranged on the rack and a sliding block matched with the sliding rail, the sliding block and the sliding rail form a moving pair, and the sliding block is fixed on the clamping frame;

or the linear constraint mechanism comprises a guide rod arranged on the rack and a sleeve sleeved on the guide rod, the guide rod and the sleeve form a sliding pair, and the sleeve is connected with the clamping frame;

or, the straight line restraint mechanism including set up in the arch of pressing from both sides the frame, set up in the spout of frame, the spout sets up along the vertical direction of frame, protruding inserting the spout and constitute the sliding pair with the spout. The linear constraint mechanism is utilized to enable the clamping frame and the rack to form a moving pair along the longitudinal direction of the rack, so that the clamping frame can only move along the longitudinal direction of the rack but can not move along the transverse direction of the rack.

Preferably, the clamping frame comprises a first frame, a second frame and a third frame, the first frame and the third frame are parallel to each other and are respectively and vertically connected to two ends of the second frame, the second frame is connected with the nut, and the sliding block, the sleeve or the protrusion are fixed on the first frame and the third frame.

Furthermore, the device also comprises a controller, and the driving motors are respectively connected with the controller. The controller is used for controlling the starting/stopping, the forward and reverse rotation, the rotating speed and the like of the driving motor, so that the sewing machine head can be matched with the machine head more accurately, and the sewing precision can be improved more favorably.

Preferably, the rack comprises a support frame and a table board arranged at the top of the support frame, the table board is horizontally arranged, the table board is provided with strip-shaped openings distributed along the longitudinal direction of the rack, and the strip-shaped openings are used for passing through the connecting frame.

Compared with the prior art, use the utility model provides a pair of quilter has following beneficial effect:

1. the quilter not only can drive the clamping frame to move along the Y direction so as to adjust the position relation between the clamping frame and the machine head, so that the clamping frame and the machine head can be mutually matched, but also can ensure that the movement of two ends of the clamping frame is strictly synchronous, so that the machine head can accurately carry out sewing processing along a preset stitch, and particularly, the quilter with larger processing size can effectively improve the sewing precision.

2. The quilting machine has the advantages that the two groups of longitudinal driving devices which are mutually independent are arranged, so that the two groups of longitudinal driving devices can be respectively disassembled and packaged in different modules, sectional packaging and transportation of the quilting machine are facilitated, rapid assembly and assembly on site are facilitated, and the defects in the prior art can be effectively overcome.

3. The quilting machine is not only beneficial to improving the sewing size, but also beneficial to modularization and maximization of the quilting machine, and meets the market demand.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic three-dimensional structure diagram of a quilting machine provided in embodiment 1 of the present invention.

Fig. 2 is a partial top view of a quilting machine provided in embodiment 1 of the present invention.

Fig. 3 is a schematic three-dimensional structure diagram of a clamping frame in a quilting machine provided in embodiment 1 of the present invention.

Fig. 4 is a schematic structural view of a joint between a longitudinal driving device and a clamping frame in a quilting machine provided in embodiment 1 of the present invention.

Fig. 5 is a partial cross-sectional view of a joint between a longitudinal driving device and a clamping frame in a quilting machine provided in embodiment 1 of the present invention.

Fig. 6 is a schematic view of a clamp frame and a slide rail in a quilting machine provided in embodiment 1 of the present invention.

Description of the drawings

The device comprises a rack 101, a portal frame 102, a clamping frame 103, a first frame 104, a second frame 105, a third frame 106, a support frame 107, a table top 108, a strip-shaped opening 109, a first part 110, a second part 111, a third part 112, a fourth part 113, a machine head 114, a machine base 115, a first clamping device, a second clamping device, a clamping device and,

Longitudinal driving device 200, driving motor 201, screw 202, nut 203, guide rail 204, slide block 205, connecting frame 206, transmission part 207,

Slide rail 301, slider 302.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 and fig. 2, the embodiment provides a quilting machine, which includes a frame 101 for supporting, a gantry 102 (or referred to as a beam or a saddle) transversely disposed on the frame 101, and a clamping frame 103, wherein the gantry 102 is provided with a machine head 114 of the quilting machine, a machine base 115 (or referred to as a lower machine head 114) matched with the machine head 114 is disposed under the machine head 114, the machine base 115 is generally provided with a rotary shuttle mechanism, a thread cutting mechanism, and the like, and the machine head 114 and the machine base 115 can move along the transverse direction of the frame 101 (i.e., move along the X direction, which will not be described in detail herein) under the driving of a transverse driving device; in this embodiment, as shown in fig. 1 and fig. 2, the clamping frame 103 is movably disposed on the frame 101, the frame 101 is provided with two sets of longitudinal driving devices 200, and the two sets of longitudinal driving devices 200 are respectively connected to the clamping frame 103 and are configured to synchronously drive the clamping frame 103 to move along a longitudinal direction of the frame 101 (i.e., move along a Y direction, which will not be described in detail later); in the scheme, two groups of mutually independent longitudinal driving devices 200 are arranged and are respectively connected with two ends of the clamping frame 103, so that the strict synchronization of the movement of the two ends of the clamping frame 103 can be ensured, the machine head 114 can accurately perform sewing processing along a preset stitch, and the sewing precision can be effectively improved particularly for a quilting machine with a larger processing size, such as a quilting machine with a quilting width larger than 2 meters; and the two groups of longitudinal driving devices 200 can be respectively disassembled and packaged in different modules, so that the quilting machine can be conveniently packaged and transported in sections, and the rapid assembly and assembly on site can be facilitated.

In this embodiment, the two sides of the clamping frame 103 are generally provided with rails, and the material frame provided with the textile fabric is transferred into the clamping frame 103 through the rails and can be fixed on the clamping frame 103, so that when the clamping frame 103 moves under the driving of the longitudinal driving device 200, the textile fabric, the material frame and the clamping frame 103 can move synchronously, and it can be understood that the clamping frame 103 can adopt the existing clamping frame 103, and the material frame can also adopt the existing material frame, so that the material frame and the clamping frame 103 can be matched with each other in the sewing process.

As shown in fig. 1 and fig. 2, in this embodiment, the two sets of longitudinal driving devices 200 are respectively symmetrically disposed on the frame 101 (symmetrically disposed along the horizontal middle plane of the frame 101), which is beneficial to providing mutually symmetric driving forces for the two ends of the clamping frame 103, so as to ensure strict synchronization of the motions of the two ends of the clamping frame 103, and meanwhile, the symmetrical arrangement is adopted, so as to facilitate rapid assembly and assembly in the later period, as shown in the figure, in this embodiment, the distance between the two sets of longitudinal driving devices 200 is less than or equal to the width of the clamping frame 103.

Preferably, in the present embodiment, the longitudinal driving device 200 includes a driving motor 201, a screw 202, a nut 203 disposed on the screw 202, and a constraint portion for preventing the nut 203 from rotating, as shown in fig. 2, the screw 202 and the nut 203 constitute a screw transmission mechanism, the screw 202 is provided with an external thread, the nut 203 is disposed on an internal thread matched with the external thread, the screw 202 is disposed along the longitudinal direction of the frame 101, the nut 203 is connected to the clamping frame 103, and the driving motor 201 is used for driving the screw 202 to rotate. It is understood that the nut 203 can be directly connected to the clamping frame 103, or can be connected to the clamping frame 103 through the connecting frame 206, as shown in fig. 4 and 5, and the connecting frame 206 is provided, so that not only transmission but also arrangement of the longitudinal driving device 200 is facilitated; when the longitudinal driving device 200 is in operation, the driving motor 201 drives the screw 202 to rotate, the nut 203 cannot rotate due to the constraint of the constraint part, and only moves along the length direction of the screw 202 through the engagement with the screw 202, so as to drive the clamping frame 103 to synchronously move along the longitudinal direction of the rack 101, thereby achieving the purpose of controlling the textile fabric arranged on the clamping frame 103 to move along the longitudinal direction (Y direction) relative to the machine head 114. It can be understood that the screw transmission mechanism may be a screw transmission mechanism commonly used in the prior art, and the driving motor 201 may be a stepping motor or a servo motor, etc., which is beneficial to realize accurate displacement control; and the driving motor 201 preferably adopts the driving motor 201 with the power-off self-locking function, so as to realize the locking function after the power-off of the driving motor 201, and ensure that the position of the clamping frame 103 is not changed, and the driving motor 201 with the power-off self-locking function can adopt the existing product, which is not described herein again.

It can be understood that the driving motor 201 can be directly connected with the screw 202, or can be connected with the screw 202 through a transmission component 207, so that the driving motor 201 can be more conveniently and reasonably arranged; as a preferred embodiment, the transmission member 207 may be one or more of a coupling, a gear transmission or a worm gear-worm transmission. For example, in the present embodiment, two ends of the screw 202 are respectively fixed to the frame 101 through bearing seats, and the driving motor 201 is connected to one end of the screw 202 through a coupling, so as to provide a driving force for the screw 202.

The constraining portion has various embodiments, as a preferred embodiment, as shown in fig. 2, the constraining portion includes a guide rail 204 disposed along the longitudinal direction of the frame 101, and a slider 205 adapted to the guide rail 204, the guide rail 204 and the slider 205 form a moving pair, the guide rail 204 is fixed to the frame 101, and the slider 205 is connected to the nut 203; as shown in the figure, the guide rail 204 is parallel to the screw 202, and during the process that the driving motor 201 drives the screw 202 to rotate, the constraining portion not only can effectively prevent the nut 203 from rotating under the driving of the screw 202, but also can play a role in guiding the movement of the nut 203.

As another preferred embodiment, the constraining portion may include a guide rod disposed along a longitudinal direction of the frame 101, and a sleeve sleeved on the guide rod, the guide rod is parallel to the screw 202, the guide rod and the sleeve form a moving pair, the guide rod is fixed to the frame 101, and the sleeve is connected to the nut 203, so as to effectively prevent the nut 203 from rotating.

As another preferred embodiment, the constraining portion may include a protrusion disposed on the nut 203 and a sliding groove disposed on the frame 101, the sliding groove is disposed along a longitudinal direction of the frame 101 so as to be parallel to the screw 202, the protrusion is inserted into the sliding groove and forms a moving pair with the sliding groove, and the sliding groove is used to block the protrusion, so that the protrusion is prevented from rotating under the driving of the nut 203, and the rotation of the nut 203 can be effectively limited.

In order to strictly restrict the movement of the clamping frame 103, so that the clamping frame 103 can only move along the longitudinal direction, so as to improve the sewing precision, in the embodiment, the clamping frame 103 and the machine frame 101 form a moving pair along the longitudinal direction of the machine frame 101. In order to realize the moving pair, the quilting machine further comprises a linear constraint mechanism, wherein the linear constraint mechanism has various embodiments, as an example, the linear constraint mechanism comprises a slide rail 301 arranged on the frame 101, and a slide block 302 matched with the slide rail 301, the slide rail 301 is arranged along the longitudinal direction of the frame 101, the slide block 302 and the slide rail 301 form the moving pair, as shown in fig. 1 and 6, the slide block 302 is fixed on the clamping frame 103, so that the clamping frame 103 and the frame 101 can form the moving pair along the longitudinal direction of the frame 101, and the clamping frame 103 can only move along the longitudinal direction of the frame 101 but can not move along the transverse direction of the frame 101;

as another example, the linear constraint mechanism may include a guide rod disposed on the frame 101, and a sleeve sleeved on the guide rod, the guide rod is disposed along a longitudinal direction of the frame 101, the guide rod and the sleeve form a sliding pair, and the sleeve is connected to the clamping frame 103, so that the clamping frame 103 and the frame 101 form a sliding pair;

as another example, the linear constraining mechanism may include a protrusion disposed on the clamping frame 103, and a sliding slot disposed on the rack 101, the sliding slot being disposed along a longitudinal direction of the rack 101, the protrusion being inserted into the sliding slot and forming a sliding pair with the sliding slot, and the sliding slot serving as a guide and a constraint for the protrusion, so that the clamping frame 103 can only move along a length direction of the sliding slot.

For convenience of illustration, as shown in fig. 3, 4 and 5, the clamping frame 103 includes a first frame 104, a second frame 105 and a third frame 106, the first frame 104 and the third frame 106 are parallel to each other and are respectively perpendicularly connected to two ends of the second frame 105, the second frame 105 is connected to the nut 203 or connected to the nut 203 through the connecting frame 206, and the sliding block 302, the sleeve or the protrusion is fixed to the first frame 104 and the third frame 106, as shown in fig. 6, so that the clamping frame 103 can be driven by the longitudinal driving device 200 to strictly move along the Y direction.

The rack 101 has various embodiments, as shown in fig. 1 and fig. 2, preferably, the rack 101 includes a support frame 107 and a table top 108 disposed on top of the support frame 107, the table top 108 is disposed horizontally, the table top 108 is disposed with a strip-shaped opening 109 distributed along the longitudinal direction of the rack 101, the strip-shaped opening 109 is used for passing through the connecting frame 206, the longitudinal driving device 200 is disposed on the support frame 107 and is located below the table top 108, as shown in the figure, the support frame 107 may be a unitary structure, while in this embodiment, the support frame 107 is a combined structure, for example, as shown in the figure, the support frame 107 may be assembled by a first portion 110, a second portion 111, a third portion 112 and a fourth portion 113, wherein the portal frame 102 and the linear constraint mechanism are disposed on the first portion 110, the second portion 111 and the third portion 112 are spliced at the same end of the first portion 110 respectively, the fourth portion 113 is spliced at the other end of the first portion 110, the two sets of longitudinal driving devices 200 are arranged on the second portion 111 and the third portion 112 respectively, so that the first portion 110, the second portion 111, the third portion 112 and the fourth portion 113 can be packaged and transported respectively, and the mounting method is very convenient, and on the mounting site, the second portion 111 and the third portion 112 only need to be mounted at the same end of the first portion 110, and is very efficient.

Example 2

The main difference between the present embodiment 2 and the above embodiment 1 is that the quilting machine provided in the present embodiment further includes a controller, and the driving motors 201 are respectively connected to the controller. The controller is used for controlling the starting/stopping, the forward and reverse rotation, the rotating speed and the like of the driving motor 201, so that the controller can be matched with the machine head 114 more accurately, and the sewing precision can be improved more favorably.

It is understood that the controller may be a controller commonly used in the art, such as a PC, a single chip microcomputer, a PLC or a DSP, wherein the single chip microcomputer includes chips such as an ARM, an Atmel, a PIC, and an AVR, which are not illustrated herein.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.

Claims

1. The quilting machine is characterized by comprising a machine frame and a clamping frame, wherein the clamping frame is movably arranged on the machine frame, the machine frame is provided with two groups of longitudinal driving devices, and the two groups of longitudinal driving devices are respectively connected with the clamping frame and are used for synchronously driving the clamping frame to move along the longitudinal direction of the machine frame.

2. The quilting machine of claim 1 wherein each of said two sets of longitudinal drives is symmetrically disposed on said frame.

3. The quilting machine of claim 1 wherein said longitudinal drive means comprises a drive motor, a screw, a nut disposed on said screw, and a constraint portion for preventing rotation of said nut, said screw and nut forming a screw drive mechanism, said screw being disposed in a longitudinal direction of said frame, said nut being coupled to said clamp frame, said drive motor being for driving said screw to rotate.

4. The quilting machine of claim 3 wherein the drive motor is a stepper motor or a servo motor.

5. The quilting machine of claim 3 wherein the drive motor is coupled to the screw or is coupled to the screw via a transmission component that is one or more of a coupling, a gear drive, or a worm-and-gear drive.

6. The quilting machine of claim 3 wherein the constraint portion comprises a guide rail disposed along a longitudinal direction of the frame, and a slider adapted to the guide rail, wherein the guide rail and the slider form a moving pair, the guide rail is fixed to the frame, and the slider is connected to the nut;

or, the restriction part comprises a protrusion arranged on the nut and a sliding groove arranged on the rack, the sliding groove is arranged along the longitudinal direction of the rack, and the protrusion is inserted into the sliding groove and forms a sliding pair with the sliding groove.

7. The quilting machine of claim 3 further comprising a link frame, said link frame being connected to said nut and said clamp frame, respectively.

8. The quilting machine of any of claims 3-7, further comprising a linear constraint mechanism, wherein the linear constraint mechanism comprises a slide rail arranged on the frame and a slide block matched with the slide rail, the slide block and the slide rail form a moving pair, and the slide block is fixed on the clamping frame;

or, the straight line restraint mechanism including set up in the arch of pressing from both sides the frame, set up in the spout of frame, the spout sets up along the vertical direction of frame, protruding inserting the spout and constitute the sliding pair with the spout.

9. The quilting machine of claim 8 wherein the clamp frame comprises a first frame, a second frame, and a third frame, wherein the first frame and the third frame are parallel to each other and are perpendicularly connected to two ends of the second frame, respectively, the second frame is connected to the nut, and the sliding block, the sleeve, or the protrusion is fixed to the first frame and the third frame.

10. The quilting machine of any of claims 3-7 further comprising a controller, wherein said drive motors are respectively connected to said controller.