CN214529567U - Automatic folding sewing machine with improved pressing mechanism and pressing device thereof - Google Patents
Automatic folding sewing machine with improved pressing mechanism and pressing device thereof Download PDFInfo
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- CN214529567U CN214529567U CN201921763889.3U CN201921763889U CN214529567U CN 214529567 U CN214529567 U CN 214529567U CN 201921763889 U CN201921763889 U CN 201921763889U CN 214529567 U CN214529567 U CN 214529567U
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Abstract
The utility model discloses an improvement hold-down mechanism's automatic folding sewing machine and closing device thereof, hold-down mechanism is including the installation arm and connect in the first briquetting and the second briquetting that are used for compressing tightly the cloth of installation arm, it installs on the installation arm to compress tightly actuating mechanism, the one end of first briquetting and second briquetting is connected in compressing tightly actuating mechanism, first briquetting and the synchronous reciprocating motion of second briquetting are in the workstation top. The pressing block of the pressing mechanism is improved, and a first pressing block and a second pressing block are arranged; a sewing space is formed between the first pressing block and the second pressing block, the cloth can be very firmly pressed by the first pressing block and the second pressing block, and the cloth cannot be displaced when the sewing mechanism sews the cloth; on the one hand, the reliability of the sewing process can be guaranteed, and on the other hand, the yield of the sewn cloth can be guaranteed.
Description
Technical Field
The utility model relates to a sewing machine field technique especially indicates an improvement hold-down mechanism's automatic formula sewing machine that turns over and hold-down device thereof.
Background
The sewing machine is a machine which uses one or more sewing threads to form one or more stitches on a sewing material so as to interweave or sew one or more layers of the sewing material; the sewing machine can be used for sewing fabrics such as cotton, hemp, silk, wool, artificial fiber and the like and products such as leather, plastic, paper and the like, the sewn stitches are neat, beautiful, flat and firm, the sewing speed is high, the use is simple and convenient, and artistic forms such as hand-push embroidery computer embroidery and the like are derived.
However, the existing sewing machine adopting automatic turnover has the problem that after the cloth is pressed down, the cloth still moves in the sewing process of the sewing mechanism (also referred to as a sewing needle), so that the reliability of the automatic sewing work is poor.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model discloses to the disappearance that prior art exists, its main objective provides an automatic formula sewing machine that turns over of improvement hold-down mechanism and closing device thereof, and its structural setting is reasonable, has solved effectively in the past automatic formula sewing machine that turns over after the hold-down mechanism of turning over appeared compressing tightly the cloth, the easy displacement's of cloth problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an automatic folding sewing machine with an improved pressing mechanism comprises a rack, a machine head, a workbench, a sewing mechanism, a feeding device, a pressing device, a bearing device and a pressing device, wherein the machine head, the workbench and the sewing mechanism are arranged on the rack;
the pressing device comprises a pressing mechanism and a pressing driving mechanism for driving the pressing mechanism; the pressing mechanism can selectively press one end of the second cloth material onto one end of the first cloth material, and enable the other end of the first cloth material to be exposed out of one end of the second cloth material, or release the second cloth material;
the pressing mechanism comprises an installation arm, a first pressing block and a second pressing block, the first pressing block and the second pressing block are connected to the installation arm and used for pressing the cloth, the pressing driving mechanism is installed on the installation arm, one end of the first pressing block and one end of the second pressing block are connected to the pressing driving mechanism, and the first pressing block and the second pressing block synchronously reciprocate above the workbench.
As a preferred embodiment: the first pressing block and the second pressing block are arranged on the same side of the mounting arm, and the first pressing block and the second pressing block are arranged at a front-rear interval.
As a preferred embodiment: the feeding device comprises a transferring mechanical arm and a transferring driving mechanism for driving the transferring mechanical arm, and the transferring mechanical arm reciprocates between the workbench and the feeding device.
As a preferred embodiment: the feeding device further comprises a feeding mechanism for conveying the first cloth, a cutting mechanism for cutting the first cloth, and a pulling mechanism for pulling the first cloth, wherein the feeding mechanism is located at the lower side of the cutting mechanism, the pulling mechanism is located at the output side of the feeding mechanism, and the transferring manipulator reciprocates between the pulling mechanism and the workbench.
As a preferred embodiment: the pressing device comprises a pressing mechanism and a pressing driving mechanism for driving the pressing mechanism, and the pressing mechanism reciprocates up and down above the workbench.
As a preferred embodiment: the pressing mechanism comprises a moving guide rail, a first moving block and a pressing piece, the moving guide rail is mounted on the positioning frame, the first moving block is movably connected to the moving guide rail, and one end of the pressing piece is connected to the first moving block.
As a preferred embodiment: a positioning mechanism for positioning the cloth is further arranged on one side of the pressing device, and the positioning mechanism is mounted on a positioning frame; the positioning mechanism comprises a positioning pressing plate and a positioning driving mechanism for driving the positioning pressing plate, and the positioning driving mechanism is arranged on the positioning frame; the positioning pressing plate reciprocates up and down above the workbench to selectively press the second cloth on the bearing plate or release the second cloth.
As a preferred embodiment: the positioning mechanism further comprises a second moving block, the second moving block is movably connected to the moving guide rail, and one end of the positioning pressing plate is connected to the second moving block.
As a preferred embodiment: a first abdicating groove for the first cloth to extend into is arranged on the workbench, and a second abdicating groove for the first cloth to pass through is arranged on the bearing plate; the second abdicating groove can be selectively communicated or staggered with the first abdicating groove along with the movement of the bearing plate, so that the pressing mechanism can press the other end of the first cloth down into the first abdicating groove, or the other end of the first cloth can be folded between the bearing plate and the workbench and attached below the second cloth.
A hold-down device comprises a hold-down mechanism and a hold-down driving mechanism for driving the hold-down mechanism; the pressing mechanism can selectively press one end of the second cloth material onto one end of the first cloth material, and enable the other end of the first cloth material to be exposed out of one end of the second cloth material, or release the second cloth material;
the pressing mechanism comprises an installation arm, a first pressing block and a second pressing block, the first pressing block and the second pressing block are connected to the installation arm and used for pressing the cloth, the pressing driving mechanism is installed on the installation arm, one end of the first pressing block and one end of the second pressing block are connected to the pressing driving mechanism, and the first pressing block and the second pressing block synchronously reciprocate above the workbench.
Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme: the pressing block of the pressing mechanism is improved, and a first pressing block and a second pressing block are arranged; a sewing space is formed between the first pressing block and the second pressing block, the cloth can be very firmly pressed by the first pressing block and the second pressing block, and the cloth cannot be displaced when the sewing mechanism sews the cloth; on the one hand, the reliability of the sewing process can be guaranteed, and on the other hand, the yield of the sewn cloth can be guaranteed.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic perspective view of a sewing machine according to a preferred embodiment of the present invention.
FIG. 2 is a schematic view of a partial structure of a sewing machine according to a preferred embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an avoiding device, a pressing device and a positioning device according to a preferred embodiment of the present invention.
Fig. 4 is an exploded view of fig. 3.
Fig. 5 is a schematic structural diagram of a pressing device according to a preferred embodiment of the present invention.
FIG. 6 is a schematic view showing the state of the first cloth and the second cloth in the general working process of the preferred embodiment of the present invention;
the attached drawings indicate the following:
10. frame 20, aircraft nose
21. Avoidance device 211 and fixing plate
212. Avoidance driving mechanism 213 and avoidance driving plate
30. Workbench 31 and first abdicating groove
40. Sewing mechanism 50 and feeding device
51. Transfer robot 52 and transfer drive mechanism
53. Feeding mechanism 54 and cutting mechanism
55. Pulling mechanism 60 and pressing device
61. Push-down mechanism 611 and movable guide rail
612. First moving block 613, lower presser
62. Push-down driving mechanism 70 and bearing device
71. Bearing plate 711 and second abdicating groove
72. Bearing driving mechanism 80 and pressing device
81. Pressing mechanism 811 and mounting arm
812. First press block 813 and second press block
82. Pressing driving mechanism 90 and positioning mechanism
91. Positioning pressing plate 92 and positioning driving mechanism
93. Second moving block 100, first cloth
200. Second fabric 300, through-holes.
Detailed Description
Referring to fig. 1 to 6, a specific structure of a preferred embodiment of the present invention is shown, which is an automatic folding sewing machine with an improved pressing mechanism and a pressing device thereof.
The automatic folding sewing machine comprises a frame 10, a machine head 20, a workbench 30 and a sewing mechanism 40, wherein the machine head 20, the workbench 30 and the sewing mechanism 40 are arranged on the frame 10; the sewing mechanism 40 is arranged on the machine head 20 and is positioned above the workbench 30; the frame 10 is provided with a feeding device 50 for conveying a first fabric, a pressing device 60 for pressing down the first fabric, and a bearing device 70 for bearing the first fabric and a second fabric.
In this embodiment, the feeding device 50 includes a transfer robot 51 and a transfer driving mechanism 52 for driving the transfer robot 51, and the transfer robot 51 reciprocates between the table 30 and the feeding device 50; the feeding device 50 further comprises a feeding mechanism 53 for conveying the first cloth, a cutting mechanism 54 for cutting the first cloth, and a pulling mechanism 55 for pulling the first cloth, wherein the feeding mechanism 53 is located at the lower side of the cutting mechanism 54, the pulling mechanism 55 is located at the output side of the feeding mechanism 53, and the transfer manipulator 51 reciprocates between the pulling mechanism 55 and the workbench 30.
The machine head 20 is provided with an avoiding device 21 which moves vertically along the machine head 20, and the pressing device 60 is mounted on the avoiding device 21. In the embodiment of the present application, the avoidance device 21 includes a fixing plate 211, an avoidance driving mechanism 212 mounted on the fixing plate 211, and an avoidance driving plate 213, the avoidance device 21 is fixedly mounted on the machine head 20 through the fixing plate 211, and the avoidance driving mechanism 212 pulls the avoidance driving plate 213 to move vertically. Specifically, the pressing device 60 includes a pressing mechanism 61 and a pressing driving mechanism 62, and the pressing mechanism 61 includes a moving rail 611, a first moving block 612 and a pressing piece 613; the moving rail 611 is attached to the fixed plate 211, and the push drive mechanism 62 is attached to the escape drive plate 213; the first moving block 612 is movably disposed on the moving rail 611, and one end of the pressing piece 613 is connected to the first moving block 612; the push-down driving mechanism 62 drives the first moving block moving 612.
A positioning mechanism 90 for positioning the cloth is further arranged on one side of the pressing device 60, and the positioning mechanism 90 comprises a positioning pressing plate 91, a positioning driving mechanism 92 for driving the positioning pressing plate 91 and a second moving block 93; the positioning pressing plate 91 is mounted on the second moving block 93, the second moving block 93 is movably disposed on the moving guide rail 611, and the positioning driving mechanism 92 drives the second moving block 93 to make the positioning pressing plate 91 reciprocate up and down above the worktable 30, so as to selectively press the second cloth on the bearing plate 71 or release the second cloth. Therefore, the first moving block and the second moving block can share one moving guide rail, the structure is simplified, the layout of the pressing device 60 and the positioning mechanism 90 is more ingenious and compact, and the structural space can be saved. The pressing device is arranged in the avoiding device through the avoiding device arranged on the machine head; therefore, when an operator needs to thread the sewing mechanism of the mechanism, the pressing device can be moved upwards through the avoiding device, and abdication is provided for the sewing mechanism; therefore, the user can not block the sight due to the arrangement of the pressing device during threading, and the threading of the sewing mechanism is convenient for the user; and the structure of the avoiding device and the mounting and positioning structure of the pressing device on the avoiding device are ingenious and reasonable in design, easy to assemble, reliable in positioning, beneficial to smooth operation of lifting action, good in structural compactness, small in occupied space on a machine table, beneficial to design and layout of other parts of the machine table, and suitable for popularization and application.
The bearing device 70 is detachably mounted on the machine head 20, the bearing device 70 comprises a bearing plate 71 and a bearing driving mechanism 72 for driving the bearing plate 71 to move back and forth, and the bearing plate 71 reciprocates above the workbench 30; the carrier drive mechanism 72 is mounted to the handpiece 20. Therefore, the carrying device 70 can be detachably arranged, so that the carrying device is convenient to disassemble and assemble.
A pressing device 80 for pressing cloth is arranged on one side of the workbench 30, and the pressing device 80 comprises a pressing mechanism 81 and a pressing driving mechanism 82 for driving the pressing mechanism 81; the pressing mechanism 81 can selectively press one end of the second fabric onto one end of the first fabric, and expose the other end of the first fabric out of one end of the second fabric, or release the second fabric. Specifically, the pressing mechanism 81 includes a mounting arm 811, and a first pressing block 812 and a second pressing block 813 which are connected to the mounting arm 811 and used for pressing cloth, the pressing driving mechanism 82 is mounted on the mounting arm 811, one end of the first pressing block 812 and one end of the second pressing block 813 are connected to the pressing driving mechanism 82, and the first pressing block 812 and the second pressing block reciprocate above the workbench 30. More specifically, the first pressing piece 812 and the second pressing piece 813 are disposed on the same side of the mounting arm 811, and the first pressing piece 812 and the second pressing piece 813 are disposed at a front-rear distance. A sewing space is formed between the first pressing block 812 and the second pressing block 813, the cloth can be tightly pressed by the first pressing block 812 and the second pressing block, and the cloth cannot be displaced when the sewing mechanism 40 sews the cloth; on the one hand, the reliability of the sewing process can be guaranteed, and on the other hand, the yield of the sewn cloth can be guaranteed.
A first abdicating groove 31 for the first cloth to extend into is arranged on the workbench 30, and a second abdicating groove 711 for the first cloth to pass through is arranged on the bearing plate 71; the second avoiding groove 711 is selectively communicated with or staggered from the first avoiding groove 31 along with the movement of the bearing plate 71, so that the pressing mechanism 61 presses the other end of the first fabric down into the first avoiding groove 31, or the other end of the first fabric is folded between the bearing plate 71 and the workbench 30 and attached below the second fabric.
The operation process is as follows: the method comprises the following steps:
(1) feeding the first fabric 100: the transfer driving mechanism 52 of the feeding device 50 drives the transfer manipulator 51 to transfer the first cloth 100 to the bearing plate 71 of the bearing device 70 above the worktable 30;
(2) feeding the second fabric 200: feeding the second cloth 200 to the carrier plate 71 of the carrier device 70 carrying the first cloth 100;
(3) and (3) compacting: the pressing driving mechanism 82 drives the pressing mechanism 81 to press one end of the second fabric 200 onto one end of the first fabric 100, and expose the other end of the first fabric 100 out of one end of the second fabric 200;
(4) first sewing: sewing the first overlapped part of the first cloth 100 and the second cloth 200 for the first time through the sewing mechanism 40;
(5) pressing: the pressing-down driving mechanism 62 drives the pressing-down mechanism 61 to press down the other end of the first cloth 100 exposed out of one end of the second cloth 200 into the first avoiding groove 31 through the second avoiding groove 711 of the bearing plate 71; then, the positioning driving mechanism 92 drives the positioning pressing plate 91 to move downwards to press and position the second fabric 200 on the bearing plate, the pressing driving mechanism 82 drives the pressing mechanism 81 to release the fabric to return to the initial position, the bearing driving mechanism 72 drives the bearing plate 71 to move towards a second direction (forward) opposite to the first direction (backward) so that the first fabric 100 is exposed out of one end of the second fabric 200, then the pressing driving mechanism 82 drives the pressing mechanism 81 to press the part of the first fabric 100 exposed out of one end of the second fabric 200 together with the second fabric 200, and the positioning driving mechanism 92 drives the positioning pressing plate 91 to return upwards to the initial position;
(6) turning over: the bearing driving mechanism 72 of the bearing device 70 drives the bearing plate 71 to move towards the first direction (backward), so that the other end of the first cloth 100 is folded between the bearing plate 71 and the workbench 30 and attached below the second cloth 200, and the other end of the first cloth 100 extends to the outside of the first overlapping position to overlap with the second cloth 200 to form a second overlapping position, and the second overlapping position is exposed outside the pressing mechanism 81;
(7) and (3) second sewing: the second overlapping portion of the first fabric 100 and the second fabric 200 is sewn by the sewing mechanism 40, so that a through hole 300 for passing the object is formed between the first fabric 100 and the second fabric 200.
The utility model discloses a design focus lies in: the pressing block of the pressing mechanism is improved, and a first pressing block and a second pressing block are arranged; a sewing space is formed between the first pressing block and the second pressing block, the cloth can be very firmly pressed by the first pressing block and the second pressing block, and the cloth cannot be displaced when the sewing mechanism sews the cloth; on the one hand, the reliability of the sewing process can be guaranteed, and on the other hand, the yield of the sewn cloth can be guaranteed.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides an automatic formula sewing machine that turns over of improvement hold-down mechanism which characterized in that: the sewing machine comprises a rack (10), a machine head (20) arranged on the rack (10), a workbench (30), a sewing mechanism (40), a feeding device (50) used for conveying a first cloth, a pressing device (60) used for pressing the first cloth downwards, a bearing device (70) used for bearing the first cloth and a second cloth, and a pressing device (80) used for pressing the cloth;
the pressing device comprises a pressing mechanism (81) and a pressing driving mechanism (82) for driving the pressing mechanism (81); the pressing mechanism (81) can selectively press one end of the second cloth material onto one end of the first cloth material, and enable the other end of the first cloth material to be exposed out of one end of the second cloth material, or release the second cloth material;
the pressing mechanism (81) comprises a mounting arm (811), and a first pressing block (812) and a second pressing block (813) which are connected to the mounting arm (811) and used for pressing cloth, the pressing driving mechanism (82) is mounted on the mounting arm (811), one ends of the first pressing block (812) and the second pressing block (813) are connected to the pressing driving mechanism (82), and the first pressing block (812) and the second pressing block (813) synchronously reciprocate above the workbench (30); the first pressing block (812) and the second pressing block (813) are arranged on the same side of the mounting arm (811), and the first pressing block (812) and the second pressing block (813) are arranged at a front-back interval; a sewing space is formed between the first pressing block (812) and the second pressing block (813), and the first pressing block (812) and the second pressing block (813) press the front side and the rear side of the sewing space of the cloth.
2. The automatic turnover sewing machine with improved pressing mechanism as claimed in claim 1, wherein: the feeding device (50) comprises a transfer manipulator (51) and a transfer driving mechanism (52) for driving the transfer manipulator (51), and the transfer manipulator (51) reciprocates between the workbench (30) and the feeding device (50).
3. The automatic turnover sewing machine with improved pressing mechanism as claimed in claim 2, wherein: material feeding unit (50) are still including feeding mechanism (53) that is used for carrying first cloth, be used for deciding cutting mechanism (54) of first cloth, be used for pulling material mechanism (55) of pulling first cloth, feeding mechanism (53) are located the downside that cuts mechanism (54), it is located the output side of feeding mechanism (53) to pull material mechanism (55), transfer manipulator (51) reciprocating motion in pulling between material mechanism (55), workstation (30).
4. The automatic turnover sewing machine with improved pressing mechanism as claimed in claim 1, wherein: the pressing device (60) comprises a pressing mechanism (61) and a pressing driving mechanism (62) for driving the pressing mechanism (61), and the pressing mechanism (61) reciprocates up and down above the workbench (30).
5. The automatic turnover sewing machine with improved pressing mechanism as claimed in claim 4, wherein: the downward pressing mechanism (61) comprises a moving guide rail (611), a first moving block (612) and a downward pressing piece (613), the moving guide rail (611) is installed on the positioning frame (63), the first moving block (612) is movably connected to the moving guide rail (611), and one end of the downward pressing piece (613) is connected to the first moving block (612).
6. The automatic turnover sewing machine with the improved pressing mechanism as claimed in claim 1 or 4, wherein: a positioning mechanism (90) for positioning the cloth is further arranged on one side of the pressing device (60), and the positioning mechanism (90) is mounted on the positioning frame (63); the positioning mechanism (90) comprises a positioning pressing plate (91) and a positioning driving mechanism (92) for driving the positioning pressing plate (91), and the positioning driving mechanism (92) is arranged on the positioning frame (63); the positioning pressing plate (91) reciprocates up and down above the workbench (30) to selectively press the second cloth on the bearing plate (71) or release the second cloth.
7. The automatic turnover sewing machine with improved pressing mechanism as claimed in claim 6, wherein: the positioning mechanism (90) further comprises a second moving block (93), the second moving block (93) is movably connected to the moving guide rail (611), and one end of the positioning pressing plate (91) is connected to the second moving block (93).
8. The automatic turnover sewing machine with improved pressing mechanism as claimed in claim 1, wherein: a first abdicating groove (31) for the first cloth to extend into is formed in the workbench (30), and a second abdicating groove (711) for the first cloth to pass through is formed in the bearing plate (71); the second avoiding groove (711) can be selectively communicated with or staggered with the first avoiding groove (31) along with the movement of the bearing plate (71), so that the pressing mechanism (61) can press the other end of the first cloth into the first avoiding groove (31), or the other end of the first cloth is folded between the bearing plate (71) and the workbench (30) and attached below the second cloth.
9. A compression device, characterized in that: comprises a pressing mechanism (81) and a pressing driving mechanism (82) for driving the pressing mechanism (81); the pressing mechanism (81) can selectively press one end of the second cloth material onto one end of the first cloth material, and enable the other end of the first cloth material to be exposed out of one end of the second cloth material, or release the second cloth material;
the pressing mechanism (81) comprises a mounting arm (811), and a first pressing block (812) and a second pressing block (813) which are connected to the mounting arm (811) and used for pressing cloth, the pressing driving mechanism (82) is mounted on the mounting arm (811), one ends of the first pressing block (812) and the second pressing block (813) are connected to the pressing driving mechanism (82), and the first pressing block (812) and the second pressing block (813) synchronously reciprocate above the workbench (30); the first pressing block (812) and the second pressing block (813) are arranged on the same side of the mounting arm (811), the first pressing block (812) and the second pressing block (813) are arranged at a front-back interval, a sewing space is formed between the first pressing block (812) and the second pressing block (813), and the first pressing block (812) and the second pressing block (813) press the front side and the rear side of the sewing space of cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921763889.3U CN214529567U (en) | 2019-10-21 | 2019-10-21 | Automatic folding sewing machine with improved pressing mechanism and pressing device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921763889.3U CN214529567U (en) | 2019-10-21 | 2019-10-21 | Automatic folding sewing machine with improved pressing mechanism and pressing device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214529567U true CN214529567U (en) | 2021-10-29 |
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ID=78228490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921763889.3U Active CN214529567U (en) | 2019-10-21 | 2019-10-21 | Automatic folding sewing machine with improved pressing mechanism and pressing device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214529567U (en) |
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2019
- 2019-10-21 CN CN201921763889.3U patent/CN214529567U/en active Active
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