CN214362136U - Automatic thread trimming device of sock stitching machine - Google Patents
Automatic thread trimming device of sock stitching machine Download PDFInfo
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- CN214362136U CN214362136U CN202120177710.7U CN202120177710U CN214362136U CN 214362136 U CN214362136 U CN 214362136U CN 202120177710 U CN202120177710 U CN 202120177710U CN 214362136 U CN214362136 U CN 214362136U
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- push rod
- connecting plate
- holes
- trimming device
- thread trimming
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Abstract
The utility model discloses an automatic thread trimming device of a sock stitching machine, which comprises a fixed plate, wherein one side of the fixed plate is connected with a connecting plate which is vertical to and fixedly connected with the fixed plate, and the other side of the fixed plate is provided with a stepping motor; an opening is arranged in the middle of the connecting plate, and through holes are arranged on two sides of the connecting plate; a vertical push rod is sleeved on the opening, the bottom end of the push rod is connected with a cutter holder which is perpendicular to the push rod and is positioned below the connecting plate, and the bottom end of the cutter holder is fixedly connected with a blade; the through holes are all connected with guide columns in clearance fit with the through holes in a sliding manner, and the bottom ends of the guide columns are all fixedly connected with the tool apron; a return spring which cannot penetrate through the opening is sleeved on the outer side of the push rod, and a limiting block capable of extruding the return spring when the push rod moves downwards is arranged on the push rod; the top end of the reset spring is connected with the limiting block, and the bottom end of the reset spring is connected with the connecting plate; the top end of the push rod is connected with a swing rod, and the swing rod is connected with a stepping motor. The utility model discloses not only convenient to use still has the stable, the convenient and simple to operate's of blade change advantage of trimming.
Description
Technical Field
The utility model relates to a thread trimming device, in particular to an automatic thread trimming device of a sock stitching machine.
Background
The socks need to be sewn in the processing process, and the socks are generally sewn through a stitching machine; after the socks are sewed, the sewed upper threads are cut off through a thread cutting device; the existing thread cutting device enables the hinged scissors to cut threads by pushing the connecting rod through the air cylinder, the air cylinder needs to be connected with an air pump, and the thread cutting device is inconvenient to use in some sewing places without the air pump; the hinged scissors can loosen the hinged part after frequent trimming, and the trimming is easy to be unstable. Therefore, the existing thread trimming device has the problems of inconvenient use and unstable thread trimming.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic thread trimming device of socks sewing machine. The utility model discloses not only convenient to use still has the stable advantage of trimming.
The technical scheme of the utility model: an automatic thread trimming device of a sock stitching machine comprises a fixing plate, wherein one side of the fixing plate is connected with a connecting plate which is perpendicular to and fixedly connected with the fixing plate, and the other side of the fixing plate is provided with a stepping motor; an opening is arranged in the middle of the connecting plate, and through holes are arranged on two sides of the connecting plate; a vertical push rod is sleeved on the opening, the bottom end of the push rod is connected with a cutter holder which is perpendicular to the push rod and is positioned below the connecting plate, and the bottom end of the cutter holder is fixedly connected with a blade; the through holes are all connected with guide columns in clearance fit with the through holes in a sliding manner, and the bottom ends of the guide columns are all fixedly connected with the tool apron; a return spring which cannot penetrate through the opening is sleeved on the outer side of the push rod, and a limiting block capable of extruding the return spring when the push rod moves downwards is arranged on the push rod; the top end of the reset spring is connected with the limiting block, and the bottom end of the reset spring is connected with the connecting plate; the top end of the push rod is connected with a swing rod, and the swing rod is connected with a stepping motor.
In the automatic thread trimming device of the sock stitching machine, the blade includes a vertical cutting portion and a fixing portion perpendicular to the cutting portion, and the fixing portion is fixedly connected with the tool apron through a screw.
In the automatic thread trimming device of the sock stitching machine, the limiting block is connected with the push rod in a sliding mode, a plurality of threaded holes are formed in the limiting block, and fastening screws are connected to each threaded hole in a threaded mode.
In the automatic thread trimming device of the sock stitching machine, the top end of the push rod is rotatably connected with the bearing.
In the automatic thread trimming device of the sock stitching machine, the fixing plate is provided with a plurality of waist-shaped holes.
Compared with the prior art, the utility model improves the prior mosquito-repellent incense piece rectifying structure, and through the arrangement of the stepping motor, the stepping motor rotates to drive the swing rod to rotate, the swing rod rotates to push the push rod to move downwards, the push rod moves downwards to drive the cutter holder to move downwards, and the cutter holder moves downwards to drive the cutter holder to move downwards, thereby realizing the thread trimming; the air pump is omitted for air supply, and the use is convenient; the guide pillar and the blade holder link clearance fit of push rod both sides can play limiting displacement to the blade holder for the blade holder can not take place the skew in the trimming process, and then ensures that the blade can not take place the skew, has improved trimming stability. In addition, the utility model is also provided with a cutting part and a fixing part on the blade, and the fixing part is connected with the cutter holder through a screw, thereby facilitating the replacement of the blade; the limiting block is connected with the push rod in a sliding mode, a plurality of threaded holes are formed in the limiting block, and each threaded hole is in threaded connection with a fastening screw, so that the limiting block can be adjusted conveniently, the resetting force of the resetting spring can be adjusted conveniently, the blade can reset accurately, and the thread trimming stability is further improved; the bearing is arranged at the top end of the push rod, so that the swing rod is always tangent to the bearing in the rotating process, the push rod can be pushed better, and the stability of thread cutting is improved; through setting up waist type hole on the fixed plate, can adjust the mounted position of fixed plate, easy to assemble. Therefore, the utility model discloses not only convenient to use still has the advantage that the trimming is stable, the blade is changed conveniently and simple to operate.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a schematic structural diagram of the present invention during trimming;
FIG. 4 is a right side view of FIG. 3;
fig. 5 is a schematic structural view of the connection plate.
The labels in the figures are: 1-fixing plate, 2-stepping motor, 3-connecting plate, 31-opening, 4-oscillating bar, 5-push rod, 6-limiting block, 61-threaded hole, 7-reset spring, 8-tool apron, 9-blade, 91-cutting part, 92-fixing part, 10-guide post, 11-through hole, 12-fastening screw, 13-bearing and 14-kidney-shaped hole.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Examples are given. An automatic thread trimming device of a sock stitching machine is shown in figures 1 to 5 and comprises a fixing plate 1, wherein one side of the fixing plate 1 is connected with a connecting plate 3 which is perpendicular to and fixedly connected with the fixing plate 1, and the other side of the fixing plate 1 is provided with a stepping motor 2; the middle of the connecting plate 3 is provided with an opening 31, and both sides are provided with through holes 11; a vertical push rod 5 is sleeved on the opening 31, the bottom end of the push rod 5 is connected with a cutter holder 8 which is perpendicular to the push rod 5 and is positioned below the connecting plate 3, and the bottom end of the cutter holder 8 is fixedly connected with a blade 9; the through holes 11 are all connected with guide pillars 10 in clearance fit with the through holes 11 in a sliding mode, and the bottom ends of the guide pillars 10 are all fixedly connected with the tool apron 8; a return spring 7 which cannot penetrate through the opening 31 is sleeved on the outer side of the push rod 5, and a limiting block 6 which can extrude the return spring 7 when the push rod 5 moves downwards is arranged on the push rod 5; the top end of the reset spring 7 is connected with the limiting block 6, and the bottom end of the reset spring 7 is connected with the connecting plate 3; the top end of the push rod 5 is connected with a swing rod 4, and the swing rod 4 is connected with the stepping motor 2.
The blade 9 comprises a vertical cutting part 91 and a fixing part 92 perpendicular to the cutting part 91, and the fixing part 92 is fixedly connected with the tool apron 8 through a screw; the limiting block 6 is connected with the push rod 5 in a sliding mode, a plurality of threaded holes 61 are formed in the limiting block 6, and each threaded hole 61 is in threaded connection with a fastening screw 12; the top end of the push rod 5 is rotatably connected with a bearing 13; a plurality of kidney-shaped holes 14 are arranged on the fixing plate 1.
The working principle is as follows: before use, the utility model is arranged on the splicing and sewing machine by the screw which passes through the waist-shaped hole 14 on the fixed plate 1 to match with the threaded hole on the splicing and sewing machine; the position of the fixing plate 1 can be adjusted through the waist-shaped hole 14, so that the installation is convenient; when the device is used, after the sewing of the splicing and sewing machine is finished, a thread cutting signal is sent to a controller (such as a commercially available FX-2N128MR PLC); the controller controls the stepping motor 2 to rotate anticlockwise for a certain angle, and the stepping motor 2 rotates to drive the swing rod 4 to rotate; the oscillating bar 4 rotates and extrudes the bearing 13 to enable the push rod 5 to move downwards along the opening 31, and the oscillating bar 4 is always tangent to the bearing 13 in the rotating process, so that the push rod 5 can be better pushed; when the push rod 5 moves downwards, the limiting block 6 moves downwards along with the push rod 5, the limiting block 6 extrudes the return spring 7, and the other end of the return spring 7 is matched with the connecting plate 3; the connecting plate 3 is fixed on the fixing plate 1, so that the return spring 7 is compressed when the limiting block 6 moves downwards; the push rod 5 moves downwards to drive the cutter holder 8 to move downwards, so that the cutter blade 9 cuts threads; the blade 9 is provided with a cutting part 91 and a fixing part 92 vertical to the cutting part 91, and the fixing part 92 is connected with the tool apron 8 through a screw, so that the blade is convenient to replace; when the tool apron 8 moves downwards, the two guide pillars 10 on the two sides of the push rod 5 move downwards along the tool apron 8 along the through hole 11, and the guide pillars 10 and the through hole 11 are in clearance fit with each other and can limit the tool apron 8, so that the tool apron 8 cannot deviate in the thread trimming process, the blade 9 cannot deviate, and the thread trimming stability is improved; after the trimming is finished, the controller controls the stepping motor 2 to rotate clockwise, so that the swing rod 4 and the return spring 7 are reset, the return spring 7 resets and pushes the limiting block 6 to move upwards, the push rod 5 and the cutter holder 8 are reset, and the blade 9 is reset; stopper 6 and 5 sliding connection of push rod, the screw hole 61 on the stopper 6 cooperates with fastening screw 12 to fix stopper 6 on push rod 5, conveniently adjusts the position of stopper 6, and then conveniently adjusts reset force of reset spring 7 for blade 9 resets accurately, further improves trimming stability.
Claims (5)
1. The utility model provides a socks sewing machine's automatic trimming device which characterized in that: comprises a fixed plate (1), one side of the fixed plate (1) is connected with a connecting plate (3) which is vertical to and fixedly connected with the fixed plate (1), and the other side is provided with a stepping motor (2); an opening (31) is arranged in the middle of the connecting plate (3), and through holes (11) are arranged on two sides of the connecting plate; a vertical push rod (5) is sleeved on the opening (31), the bottom end of the push rod (5) is connected with a cutter holder (8) which is perpendicular to the push rod (5) and is positioned below the connecting plate (3), and the bottom end of the cutter holder (8) is fixedly connected with a blade (9); the through holes (11) are all connected with guide columns (10) in clearance fit with the through holes (11) in a sliding manner, and the bottom ends of the guide columns (10) are all fixedly connected with the tool apron (8); a return spring (7) which cannot penetrate through the opening (31) is sleeved on the outer side of the push rod (5), and a limiting block (6) capable of extruding the return spring (7) when the push rod (5) moves downwards is arranged on the push rod (5); the top end of the reset spring (7) is connected with the limiting block (6), and the bottom end of the reset spring (7) is connected with the connecting plate (3); the top end of the push rod (5) is connected with a swing rod (4), and the swing rod (4) is connected with the stepping motor (2).
2. The automatic thread trimming device of a sock sewing machine as claimed in claim 1, wherein: the blade (9) comprises a vertical cutting part (91) and a fixing part (92) perpendicular to the cutting part (91), and the fixing part (92) is fixedly connected with the cutter holder (8) through a screw.
3. The automatic thread trimming device of a sock sewing machine as claimed in claim 1, wherein: stopper (6) and push rod (5) sliding connection are equipped with a plurality of screw holes (61) on stopper (6), and equal threaded connection has fastening screw (12) on every screw hole (61).
4. The automatic thread trimming device of a sock sewing machine as claimed in claim 1, wherein: the top end of the push rod (5) is rotatably connected with a bearing (13).
5. An automatic thread trimming device for a sock sewing machine as claimed in any one of claims 1 to 4, wherein: the fixing plate (1) is provided with a plurality of kidney-shaped holes (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120177710.7U CN214362136U (en) | 2021-01-22 | 2021-01-22 | Automatic thread trimming device of sock stitching machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120177710.7U CN214362136U (en) | 2021-01-22 | 2021-01-22 | Automatic thread trimming device of sock stitching machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214362136U true CN214362136U (en) | 2021-10-08 |
Family
ID=77958578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120177710.7U Active CN214362136U (en) | 2021-01-22 | 2021-01-22 | Automatic thread trimming device of sock stitching machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214362136U (en) |
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2021
- 2021-01-22 CN CN202120177710.7U patent/CN214362136U/en active Active
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