CN215757918U

CN215757918U - Clamping device convenient for clamping sewed materials and pattern sewing machine with clamping device

Info

Publication number: CN215757918U
Application number: CN202122132937.2U
Authority: CN
Inventors: 陈樟; 邱宜贵
Original assignee: Yongtai Xianghui Garment Co Ltd
Current assignee: Yongtai Xianghui Garment Co Ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-02-08
Anticipated expiration: 2031-09-06

Abstract

The application discloses make things convenient for centre gripping to be sewed up clamping device of material and have device's style machine relates to the technical field of style machine, has improved the inconvenient problem of centre gripping process of sewed up the material on the style machine, and it includes board, sewing machine, clamping device and mobile device, the board is the cuboid structure, be provided with the microcomputer that is used for controlling sewing machine and mobile device on the sewing machine, clamping device includes punch holder and lower plate, the lower plate is placed on the board, the length direction that the punch holder can follow the board rotates for the axis of rotation, clamping device and mobile device sliding connection, clamping device has and takes out and withdraws two kinds of states, clamping device slides and takes out back punch holder rotatable angle and not less than 90. This application can make things convenient for the staff will be sewed up the material and be fixed in clamping device on.

Description

Clamping device convenient for clamping sewed materials and pattern sewing machine with clamping device

Technical Field

The application relates to the technical field of pattern sewing machines, in particular to a clamping device convenient for clamping sewed materials and a pattern sewing machine with the clamping device.

Background

The pattern sewing machine, also called computer pattern sewing machine, is the most advanced sewing equipment in the current technology, and is mainly used for sewing production of products such as handbags, bags, leatherware and the like and sewing patterns and trademarks on clothes. The pattern sewing machine solves the problems of traditional manual sewing and can quickly and efficiently finish difficult sewing tasks.

An existing pattern sewing machine is shown in fig. 9 and comprises a machine table 2, a sewing machine 3 and a clamping device 5, wherein the machine table 2 is a cuboid, and the sewing machine 3 is arranged on a table body in parallel with the width edge of the table body. The sewing machine 3 is provided with a needle 31 for sewing, the clamping device 5 is arranged on the table body and is positioned below the needle 31, and the sewing machine 3 is also provided with a microcomputer 32 for controlling the needle 31 to sew. Clamping device 5 includes punch holder 6 and lower plate 7, and lower plate 7 and the up end laminating of board 2, punch holder 6 rotate with lower plate 7 to be connected. The machine table 2 is further provided with a moving device 4 for driving the clamping device 5 to move, the moving device 4 comprises an upper sliding block 43, the upper sliding block 43 is provided with a clamping jaw 9 for clamping an upper clamping plate 6 and a lower clamping plate 7, and the clamping jaw 9 is controlled by the microcomputer 32. The microcomputer 32 controls the upper sliding block 43 to move on the upper end surface of the machine 2 with the length direction of the machine 2 as the X axis and the width direction of the machine 2 as the Y axis.

In view of the above-mentioned related technologies, the applicant has found that when the upper clamp plate is turned over, the upper clamp plate can only be turned by a small angle due to the limitation of the needle position, so that the sewn material is inconveniently laid on the lower clamp plate, and finally the process of clamping the sewn material is troublesome.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the clamping process of the sewn material on the pattern sewing machine is inconvenient, the application provides the clamping device convenient for clamping the sewn material and the pattern sewing machine with the clamping device.

First aspect, the application provides a make things convenient for centre gripping by clamping device of seam material, adopts following technical scheme:

the utility model provides a make things convenient for centre gripping to be sewed up clamping device of material sets up on the board, clamping device is connected with last slider, just clamping device is located the eedle below, and clamping device includes punch holder and lower plate, the lower plate sets up on the board, the punch holder can be followed the X axle and rotated, and clamping device still includes:

the connecting piece is positioned at one end of the clamping device close to the upper sliding block;

the connecting piece is provided with:

the connecting rod is arranged parallel to the Y axis, and one end of the connecting rod is connected with the connecting piece;

the sliding block is connected with one end, far away from the connecting piece, of the connecting rod;

the upper sliding block is provided with a connecting hole matched with the connecting rod and a second sliding groove matched with the sliding block;

wherein, clamping device is in last sliding block sliding connection, clamping device can follow Y axle direction and slide, clamping device slides and keeps away from last sliding block back, clamping device and eedle are separated mutually in the projection of board up end, the rotatable angle of punch holder is not less than 90.

Through adopting above-mentioned technical scheme, clamping device and last sliding block sliding connection make clamping device can slide along the relative sliding block that goes up of Y axle direction, make the punch holder have sufficient space to rotate after clamping device slides and keeps away from last sliding block, and the punch holder rotates the in-process and does not receive the needle restriction, finally makes things convenient for the staff to place the sewed materials on the lower plate.

Optionally, the connecting piece is further provided with:

the rotating plate is rotatably connected with the connecting piece;

the fixed plate is positioned below the rotating plate and is parallel to the upper end face of the machine table;

wherein, punch holder and rotor plate threaded connection, lower plate and fixed plate threaded connection, the rotor plate has and opens and close two kinds of states, when the rotor plate is in the closed condition, the lower terminal surface of punch holder and the laminating of the up end of lower plate, when the rotor plate is in the open condition, the angle that is between punch holder and the lower plate is not less than 90.

Through adopting above-mentioned technical scheme, punch holder and lower plate are connected for dismantling with the connecting piece, appear when damaged unable use when punch holder or lower plate, only need to corresponding punch holder or lower plate change can, avoid the waste of part, the installation convenient and fast of punch holder and lower plate and connecting piece simultaneously.

Optionally, the connecting piece is further provided with:

the connecting rod is arranged in parallel to the width direction of the machine table and is detachably connected with the connecting piece;

the sliding block is detachably connected with one end, far away from the connecting piece, of the connecting rod;

wherein, connecting rod and sliding block all with mobile device sliding connection.

Through adopting above-mentioned technical scheme, make the connecting piece can slide along the width direction of board, make things convenient for clamping device to take out and withdraw.

Optionally, still be equipped with draw-in groove and lower draw-in groove on the connecting piece, it is located the connecting piece up end to go up the draw-in groove, the draw-in groove is located terminal surface under the connecting piece down, just it is located draw-in groove top down to go up the draw-in groove, go up the draw-in groove and all be equipped with a plurality of and go up the quantity of draw-in groove and draw-in groove down and equal, go up draw-in groove and draw-in groove down and supply the mobile device to carry out the centre gripping to clamping device.

Through adopting above-mentioned technical scheme, make mobile device can press from both sides tightly clamping device in the in-process that drives clamping device removal, prevent to influence sewing quality because mobile device takes place the skew in the removal.

Optionally, the one end of keeping away from the connecting piece on punch holder and the lower plate all is equipped with the magnetic force strip, the magnetic force strip is on a parallel with board length limit setting, when the punch holder is in the closed condition, two the magnetic force strip piles up, and two the magnetic force strip inter attraction, the punch holder adsorbs on the lower plate.

Through adopting above-mentioned technical scheme, make punch holder and lower plate can press from both sides tightly by the seam material, prevent to sew the in-process by seam material position emergence skew and influence the sewing quality.

Optionally, the upper splint is further provided with:

the sewing opening penetrates through the upper clamping plate along the vertical direction;

wherein, the upper plate is provided with a plurality of specifications, and different sewing openings with different patterns are arranged on the upper plate.

Through adopting above-mentioned technical scheme, can select the punch holder that has different pattern sewing openings according to the demand and use, promote the sewing effect of style machine simultaneously.

Optionally, a chamfer is further formed on the lower clamping plate and arranged on the side edge of the upper end of the lower clamping plate.

Through adopting above-mentioned technical scheme, can make things convenient for the staff to separate punch holder and lower plate.

In a second aspect, the present application further provides a pattern machine, which adopts the following technical scheme:

the utility model provides a pattern sewing machine, includes board, sewing machine and goes up the sliding block, the last eedle that is equipped with of sewing machine still includes clamping device, it still is equipped with in the second sliding tray to go up the sliding block:

two magnet pieces are arranged on the groove surfaces at two ends of the second sliding groove in the length direction;

the sliding block is a magnetic metal product, and the sliding block is adsorbed on the magnet sheet when sliding to the two groove surfaces in the length direction of the second sliding groove.

Through adopting above-mentioned technical scheme, make clamping device can pass through the absorption of sliding block and magnet piece and fixed position at the slip in-process, prevent in the use that the sliding block slides towards opposite direction for a short distance after because of inertia and cell wall collision, make clamping device's use convenient and fast more.

Optionally, still be equipped with the jack catch with draw-in groove looks adaptation on the last sliding block, the jack catch is provided with a plurality of, just the jack catch can divide into:

the upper clamping jaw is positioned above the connecting hole;

the lower clamping jaw is positioned below the connecting hole;

the clamping jaws are the same in number and correspond to the clamping grooves in position, and movable grooves for the upper clamping jaws and the lower clamping jaws to move up and down in the vertical direction are further formed in the upper sliding block.

Through adopting above-mentioned technical scheme, the jack catch can press from both sides clamping device firmly more, can make the process that mobile device drove clamping device and remove more stable.

Optionally, be equipped with the butt face on the sewing machine, butt face perpendicular to Y axle sets up, clamping device slides along Y axle and keeps away from the last sliding block just when the punch holder is in the open mode, the punch holder supports the laminating with the butt face, just be provided with the magnet piece on the butt face, the punch holder adsorbs on the butt face.

Through adopting above-mentioned technical scheme, need not the handheld punch holder of staff, the punch holder rotates the back and can adsorb on sewing machine, makes the staff can better will be sewed up the material tiling and place on the lower plate, provides convenience for the staff.

In summary, the present application includes at least one of the following benefits:

1. the connecting piece is connected with the moving device in a sliding way, and the upper clamping plate has enough rotating space after the connecting piece is taken out, so that the sewed materials have larger space to be laid on the lower clamping plate;

2. the second sliding groove and the abutting surface are respectively provided with a magnet sheet, and the upper clamping plate and the lower clamping plate are respectively provided with a magnetic strip, so that the operation and positioning of the clamping device are more stable;

3. the clamping device and the moving device are fixed through the matching of the clamping jaws and the clamping grooves, and the clamping jaws are controlled by a microcomputer, so that the pattern sewing machine is more convenient to use.

Drawings

FIG. 1 is a schematic structural view of a connector in a retracted state according to an embodiment of the present application;

FIG. 2 is a schematic structural view of the connector in the embodiment of the present application in a state where the connector is removed;

FIG. 3 is an exploded view of a clamping device and a moving device in an embodiment of the present application;

FIG. 4 is an exploded view of a clamping device in an embodiment of the present application;

FIG. 5 is a cross-sectional view of the connector in a retracted state in an embodiment of the present application;

FIG. 6 is a cross-sectional view of the connector in an embodiment of the present application in a removed state;

FIG. 7 is an enlarged view at A in FIG. 5;

FIG. 8 is an enlarged view at B in FIG. 6;

fig. 9 is a schematic structure diagram of a conventional pattern sewing machine.

Description of reference numerals: 1. a machine base; 2. a machine platform; 21. a sliding track; 3. a sewing machine; 31. a needle; 32. a microcomputer; 33. an abutting surface; 4. a mobile device; 41. a slide bar; 42. a lower slider; 43. an upper sliding block; 431. a first sliding groove; 432. connecting holes; 433. a second sliding groove; 434. a movable groove; 435. an installation port; 5. a clamping device; 51. a rotating plate; 52. a fixing plate; 53. a clamping part; 531. a connecting rod; 532. a slider; 54. a card slot; 541. an upper clamping groove; 542. a lower clamping groove; 55. a handpiece; 56. a connecting member; 6. an upper splint; 61. sewing the opening; 7. a lower splint; 71. chamfering; 8. a magnetic strip; 9. a claw; 91. an upper jaw; 92. a lower jaw; 10. and a magnet piece.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

The embodiment of the application discloses a pattern sewing machine convenient for clamping sewn materials.

Referring to fig. 1 and 2, the pattern sewing machine includes a base 1, a machine table 2, a sewing machine 3, a moving device 4, and a holding device 5. The machine base 1 is placed on the ground, the machine table 2 is arranged on the machine base 1, and the sewing machine 3, the moving device 4 and the clamping device 5 are all arranged on the machine table 2. The sewing machine 3 includes a contact surface 33 and a needle 31, the needle 31 is positioned above the holding device 5, and the moving device 4 is positioned on a side of the holding device 5 close to the sewing machine 3. The contact surface 33 is located on a side of the needle 31 away from the moving device 4, and the contact surface 33 is perpendicular to the width direction of the machine base 2.

The sewn material is clamped by the clamping device 5, the moving device 4 drives the clamping device 5 to move on the horizontal plane, and the machine needle 31 sews on the sewn material.

Referring to fig. 1, the moving device 4 includes a lower sliding block 42, a sliding rod 41, and an upper sliding block 43, and the machine base 2 is provided with a sliding rail 21 along a width direction, on which the lower sliding block 42 slides. The lower sliding block 42 is fixedly connected with the sliding rod 41, the length direction of the sliding rod 41 is the same as the length direction of the machine table 2, the bottom of the upper sliding block 43 is provided with a first sliding groove 431 matched with the sliding rod 41, the upper sliding block 43 is connected with the sliding rod 41 in a sliding mode, and the upper sliding block 43 slides along the length direction of the sliding rod 41.

The sewing machine 3 is also connected with a microcomputer 32 for controlling the sewing of the needle 31, the microcomputer 32 stores a plurality of patterns for sewing, the worker selects the patterns to be sewn on the microcomputer 32 according to the requirement, and finally the microcomputer 32 controls the moving device 4 and the needle 31 to be matched with the materials to be sewn fixed on the clamping device 5 to sew the required patterns.

The machine table 2 is further provided with a driving member for driving the moving device 4 to move, and the driving member is also controlled by the microcomputer 32.

Referring to fig. 3 and 4, the clamping device 5 includes an upper clamp plate 6, a lower clamp plate 7, and a connecting member 57.

The upper clamping plate 6 and the lower clamping plate 7 are both connected with the connecting piece 57, the upper clamping plate 6 is rotatably connected with the connecting piece 57, and the lower clamping plate 7 is fixedly connected with the connecting piece 57.

The upper clamping plate 6 is provided with a sewing opening 61 through which the upper clamping plate 6 with various specifications can be arranged for matching use according to the different patterns of the sewing opening 61. The magnetic strip 8 is embedded in one end of the upper clamping plate 6 far away from the connecting piece 57, and the magnetic strip 8 is parallel to the length direction of the machine table 2.

Referring to fig. 1, the contact surface 33 is provided with the magnet piece 10, and the magnet piece 10 is provided perpendicular to the width direction of the machine base 2. When the upper clamp plate 6 rotates to the end of the upper clamp plate 6 far away from the connecting piece 57 and abuts against the sewing machine 3, the magnetic strip 8 and the magnet piece 10 attract each other, and the upper clamp plate 6 is adsorbed on the sewing machine 3.

Referring to fig. 5 and 6, the magnetic strip 8 is also embedded in one end of the lower clamping plate 7 away from the connecting piece 57, and the position of the magnetic strip 8 on the lower clamping plate 7 corresponds to the position of the magnetic strip 8 on the upper clamping plate 6. When being sewed up the material tiling and placing on lower plate 7, the lower terminal surface of upper plate 6 is with being sewed up the material laminating, and two magnetic strip 8 inter attraction orders about upper plate 6 and is close to 7 laminating of lower plate to will be sewed up the material and press from both sides tightly.

The lower clamping plate 7 is also provided with a chamfer 71, and the chamfer 71 is arranged on one side of the upper end surface of the lower clamping plate 7, which is far away from the connecting piece 57. When the worker needs to rotate the upper clamp 6 to separate the upper clamp 6 from the lower clamp 7, the rotation can be performed by means of the space between the chamfer 71 and the lower end surface of the upper clamp 6.

The connecting piece 57 is a rectangular parallelepiped structure, the clamping portion 53 is arranged on one length side of the connecting piece 57, the connecting rod 531 is arranged on the clamping portion 53, and one end of the connecting rod 531 is connected with the clamping portion 53. The two connecting rods 531 are arranged, and the connecting rods 531 are arranged in parallel to the width direction of the machine table 2. One end of the connecting rod 531 away from the chucking part 53 is provided with a sliding block 532, and the sliding block 532 is detachably connected to the connecting rod 531.

Referring to fig. 7 and 8, two connection holes 432 are formed in the upper sliding block 43 along the width direction of the machine base 2, and two connection rods 531 are respectively inserted into the corresponding connection holes 432. The upper sliding block 43 is further provided with a second sliding groove 433 for the sliding block 532 to slide, and the second sliding groove 433 is provided with two grooves parallel to the width direction of the machine table 2. The sliding grooves are communicated with the connecting holes 432, and the sliding block 532 is limited by two groove walls in the length direction of the second sliding groove 433 when sliding in the second sliding groove 433.

The two sides of the upper sliding block 43 in the length direction are provided with mounting openings 435 for placing the sliding block 532 in the second sliding groove 433, and the mounting openings 435 are communicated with the second sliding groove 433.

The sliding block 532 is a magnetic metal product, and the two ends of the bottom wall of the second sliding groove 433 in the length direction are both provided with a magnet piece 10. The connecting element 57 has two states of taking out and withdrawing, when the connecting element 57 is in the taking out state, the sliding block 532 slides to abut against the groove wall of the second sliding groove 433 close to the connecting element 57, and at this time, the sliding block 532 is adsorbed on the magnet piece 10 close to one end of the connecting element 57; when the connecting member 57 is in the retracted state, the sliding block 532 slides to abut against the groove wall of the second sliding groove 433 away from the connecting member 57, and at this time, the sliding block 532 is attached to the magnet piece 10 at the end away from the connecting member 57.

Referring to fig. 3 and 4, the connecting member 57 is provided with hand-held members 55 at both width sides thereof, and when it is necessary to take out the connecting member 57, a worker pulls the hand-held members 55.

Referring to fig. 4 and 7, the other length side of the link 57 is provided with a rotating plate 51 and a fixing plate 52. The rotating plate 51 is rotatably connected to the connecting member 57 with the longitudinal direction of the connecting member 57 as an axis, and the fixed plate 52 is disposed in parallel with the upper end surface of the machine 2. A space for the upper clamp plate 6 to be inserted and placed is formed between the rotating plate 51 and the fixed plate 52, a space for the lower clamp plate 7 to be inserted and placed is also formed between the fixed plate 52 and the machine table 2, and the upper clamp plate 6 and the lower clamp plate 7 are respectively in threaded connection with the rotating plate 51 and the fixed plate 52.

Referring to fig. 7 and 8, two claws 9 are further disposed on one side of the upper slider 43 close to the connecting piece 57, each claw 9 includes an upper claw 91 and a lower claw 92, and the upper claw 91 and the lower claw 92 are respectively disposed at upper and lower ends of the connecting hole 432. The upper sliding block 43 is further provided with a movable groove 434 for the upper jaw 91 and the lower jaw 92 to move up and down, and both the upper jaw 91 and the lower jaw 92 can move up and down in the corresponding movable groove 434 along the vertical direction.

The upper end surface and the lower end surface of the clamping part 53 are respectively provided with two clamping grooves 54 matched with the clamping claws 9, and each clamping groove 54 comprises an upper clamping groove 541 and a lower clamping groove 542. The coupling 57 is clamped by the upper jaw 91 at the position of the upper catch 541 and by the lower jaw 92 at the position of the lower catch 542. When the connecting element 57 is in the retracted state, the upper claw 91 and the upper engaging groove 541 are clamped, the lower claw 92 is clamped at the lower engaging groove 542, and both the upper claw 91 and the lower claw 92 abut against the groove wall of the corresponding movable groove 434 on the side close to the connecting hole 432. When the connecting element 57 is in the removal state, the upper engaging groove 541 and the lower engaging groove 542 are respectively located at one side of the upper claw 91 and the lower claw 92, and the upper claw 91 and the lower claw 92 are both abutted against the groove wall of the corresponding movable groove 434 away from the connecting hole 432.

The implementation principle of the pattern sewing machine in the embodiment of the application is as follows:

the clamping device 5 is taken out, the upper clamping plate 6 is rotated to be adsorbed on the sewing machine 3, the sewn material is flatly laid on the lower clamping plate 7, the clamping device 5 is retracted to the position where the clamping jaws 9 and the clamping grooves 54 are opposite after the upper clamping plate 6 is rotated to cover the sewn material, the clamping device 5 is clamped by operating the clamping jaws 9 controlled by the microcomputer 32, the microcomputer 32 is operated to carry out subsequent work, and the microcomputer 32 controls the moving device 4 and the needle 31 to sew the sewn material;

when the clamping device 5 is taken out, the upper clamping plate 6 corresponding to the pattern specification can be selected according to the pattern to be sewn, the upper clamping plate 6 is arranged on the connecting piece 57, and the operation is executed.

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

1. The utility model provides a make things convenient for centre gripping to be sewed up clamping device of material sets up on board (2), clamping device (5) are connected with last sliding block (43), just clamping device (5) are located eedle (31) below, and clamping device (5) include punch holder (6) and lower plate (7), lower plate (7) set up on board (2), X axle can be followed in punch holder (6) and the rotation, and its characterized in that, clamping device (5) still include:

the connecting piece (56), the said connecting piece (56) locates at one end close to upper sliding block (43) of the clamping device (5);

the connecting piece (56) is provided with:

the connecting rod (531), the connecting rod (531) is arranged in parallel to the Y axis, and one end of the connecting rod (531) is connected with the connecting piece (56);

the sliding block (532) is connected with one end, away from the connecting piece (56), of the connecting rod (531);

the upper sliding block (43) is provided with a connecting hole (432) matched with the connecting rod (531) and a second sliding groove (433) matched with the sliding block (532);

wherein, clamping device (5) are in last sliding block (43) sliding connection, Y axle direction slip can be followed in clamping device (5), clamping device (5) slide and keep away from last sliding block (43) back, clamping device (5) and eedle (31) are separated in the projection of board (2) up end mutually, punch holder (6) rotatable angle is not less than 90.

2. A clamping device for facilitating clamping of sewn materials as claimed in claim 1, wherein said connecting member (56) is further provided with:

the rotating plate (51), the rotating plate (51) is connected with the connecting piece (56) in a rotating mode;

the fixed plate (52) is positioned below the rotating plate (51), and the fixed plate (52) is parallel to the upper end face of the machine table (2);

wherein, punch holder (6) and rotor plate (51) threaded connection, lower plate (7) and fixed plate (52) threaded connection, rotor plate (51) have and open and close two kinds of states, when rotor plate (51) is in the closed condition, the lower terminal surface of punch holder (6) is laminated with the up end of lower plate (7), when rotor plate (51) is in the open condition, the angle that is between punch holder (6) and lower plate (7) is not less than 90.

3. The clamping device convenient for clamping the sewed material as claimed in claim 1, wherein the connecting member (56) is further provided with an upper clamping groove (541) and a lower clamping groove (542), the upper clamping groove (541) is located on the upper end surface of the connecting member (56), the lower clamping groove (542) is located on the lower end surface of the connecting member (56), the upper clamping groove (541) is located above the lower clamping groove (542), the upper clamping groove (541) and the lower clamping groove (542) are provided with a plurality of clamping grooves, the number of the upper clamping groove (541) and the number of the lower clamping groove (542) are equal, and the upper clamping groove (541) and the lower clamping groove (542) are used for the moving device (4) to clamp the clamping device (5).

4. The clamping device convenient for clamping sewn materials is characterized in that magnetic strips (8) are arranged at one ends, far away from the connecting piece (56), of the upper clamping plate (6) and the lower clamping plate (7), the magnetic strips (8) are arranged in parallel to the length edge of the machine table (2), when the upper clamping plate (6) is in a closed state, the two magnetic strips (8) are stacked, the two magnetic strips (8) attract each other, and the upper clamping plate (6) is adsorbed on the lower clamping plate (7).

5. The clamping device convenient for clamping sewed materials as claimed in claim 4, wherein the upper clamping plate (6) is further provided with:

the sewing opening (61), the said sewing opening (61) pierces through the upper clamp plate (6) along the vertical direction;

wherein, the upper clamping plate (6) is provided with a plurality of specifications, and different sewing openings (61) with different patterns are arranged on the upper clamping plate (6).

6. The clamping device for clamping the sewed material conveniently as claimed in claim 5, wherein the lower clamping plate (7) is further provided with a chamfer (71), and the chamfer (71) is arranged at the side of the upper end of the lower clamping plate (7).

7. A pattern sewing machine, comprising a machine table (2), a sewing machine (3) and an upper sliding block (43), wherein a needle (31) is arranged on the sewing machine (3), characterized by further comprising the clamping device (5) of any one of claims 1 to 6, and the upper sliding block (43) is further provided with:

two magnet pieces (10) are arranged, and the magnet pieces (10) are arranged on the groove surfaces at two ends of the second sliding groove (433) in the length direction;

the sliding block (532) is a metal product with magnetism, and the sliding block (532) is adsorbed on the magnet piece (10) when sliding to be abutted against two groove surfaces in the length direction of the second sliding groove (433).

8. A pattern sewing machine according to claim 7, characterized in that the upper sliding block (43) is further provided with a plurality of claws (9) matched with the clamping grooves (54), and the claws (9) can be divided into:

the upper clamping jaw (91), the upper clamping jaw (91) is positioned above the connecting hole (432);

a lower jaw (92), the lower jaw (92) being located below the connection hole (432);

the clamping jaws (9) are the same in number with the clamping grooves (54) and correspond in position, and movable grooves (434) for the upper clamping jaws (91) and the lower clamping jaws (92) to move up and down in the vertical direction are further formed in the upper sliding block (43).

9. A pattern sewing machine according to claim 7, characterized in that the sewing machine (3) is provided with an abutting surface (33), the abutting surface (33) is arranged perpendicular to the Y axis, the clamping device (5) slides along the Y axis to be away from the upper sliding block (43) and the upper clamping plate (6) is in an open state, the upper clamping plate (6) abuts against and is attached to the abutting surface (33), the abutting surface (33) is provided with a magnet piece (10), and the upper clamping plate (6) is adsorbed on the abutting surface (33).