CN209836487U - Automatic thread end cutting device of bar tacking machine - Google Patents
Automatic thread end cutting device of bar tacking machine Download PDFInfo
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- CN209836487U CN209836487U CN201920422894.1U CN201920422894U CN209836487U CN 209836487 U CN209836487 U CN 209836487U CN 201920422894 U CN201920422894 U CN 201920422894U CN 209836487 U CN209836487 U CN 209836487U
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Abstract
The utility model provides an automatic thread end cutting device of a tacking machine. The automatic thread end shearing device of the tacking machine comprises a needle plate, wherein a thread end falling through hole is formed in the needle plate, a thread shearing knife is fixed on the needle plate at the bottom of the thread end falling through hole and comprises an upper blade and a lower blade, the upper blade is directly fixed on the needle plate, the lower blade penetrates through the upper blade and the lower blade by a fixing rod and is fixed with the needle plate, a spring on the fixing rod enables the lower blade to be firmly abutted against the upper blade, the lower blade is further fixed with a transmission shaft by a screw, the other side of the transmission shaft is fixed with a cylinder connecting piece, the cylinder connecting piece is directly fixed with a cylinder main shaft, therefore, when the sleeving work is finished to the tail part each time, redundant thread ends fall off from the thread end falling through hole in the needle plate, the cylinder connecting piece on the cylinder main shaft drives the transmission shaft to move, the transmission shaft drives the lower blade to rotate, and the thread ends between the upper blade and the, and finishing the automatic thread end cutting process.
Description
Technical Field
The utility model relates to a noose machine, specific automatic thread end cutting device of noose machine that says so.
Background
The sewing machine of the bartack sewing machine is also called as a jujube sewing machine and a knot sewing machine, is usually used for reinforcing stitches and is generally suitable for the clothing manufacturing industry, a section of redundant thread ends can be reserved after the clothes are sewn to the bottom every time by the sewing machine of the bartack sewing machine on the existing market, the sewing machine is generally used for sewing after being folded manually in order to prevent the redundant thread ends from being broken, then the next procedure can be entered after the redundant thread ends penetrating through a through hole of the thread falling end of a needle plate are subtracted manually, so the steps are repeated when the corners of the clothes are sewn every time, the steps are complex, mistakes are easy to make, and manpower is wasted.
SUMMERY OF THE UTILITY MODEL
In view of the defect that the bar tacking machine exists, the utility model discloses the technical problem that will solve is: the automatic thread end cutting device is arranged on the bar tacking machine, so that redundant thread ends after the end of sewing clothes to the bottom every time can be cut off by the automatic thread end cutting device.
In order to achieve the above object, according to one aspect of the present invention, the present invention is realized by the following technical measures: an automatic thread end cutting device of a bar tacking machine comprises: a needle plate, wherein the needle plate is provided with a thread drop head through hole,
the bottom of the needle plate is provided with a thread cutter which is opposite to the thread falling head, the thread cutter consists of an upper blade and a lower blade, the upper blade is fixed at the bottom of the needle plate, the lower blade is fixed with the upper blade through a fixed rod, the fixed rod is sleeved with a spring, the spring enables the lower blade to prop against the upper blade,
the bottom of the needle plate is also provided with a transmission shaft, one side of the transmission shaft is movably fixed with the lower blade, the other side of the transmission shaft is movably fixed with the air cylinder, and after the transmission shaft is driven by the air cylinder to rotate, the lower blade movably fixed with the transmission shaft rotates around the fixed rod, so that the upper blade is matched with the lower blade to cut off thread ends.
When the excessive thread ends after the clothes are sewn to the bottom are in the thread end falling through hole every time, the control device of the existing bar tacking machine can control the air cylinder to operate, and after the air cylinder moves to drive the transmission shaft to rotate, the transmission shaft drives the lower blade to rotate, so that the thread ends are cut.
Further, the upper blade is fixed at the bottom of the needle plate through screws, the fixing rod is a bolt, and the fixing rod penetrates through the lower blade and the upper blade and then is in threaded connection with the bottom of the needle plate. The design structure is reasonable, and the installation is convenient.
Furthermore, a cylinder connecting piece is fixed on a main shaft of the cylinder, a notch is formed in one side of the cylinder connecting piece, which is not connected with the main shaft of the cylinder, the transmission shaft is Z-shaped, a cross rod on one side of the transmission shaft is lapped on the notch and fixed through a screw, and a lower blade is lapped on a cross rod on the other side of the transmission shaft and also fixed through a screw. The above design is for the convenience of fixing the transmission shaft and the cylinder, and simultaneously the lower blade is fixed with the transmission shaft and is also convenient.
Furthermore, the automatic thread end shearing device of the tacking machine further comprises a suction device, wherein the suction device is composed of a suction pipe seat, a suction pipe and a power device, the suction pipe seat is composed of a bottom plate and a U-shaped fence fixed at the top of the bottom plate, the suction pipe seat is arranged at the bottom of the needle plate and covers the outside of the thread shearing knife, an insertion hole is formed in the bottom plate of the suction pipe seat, one side of the suction pipe is inserted into the insertion hole and fixed with the insertion hole, and the suction pipe enables a thread end to pass through the suction pipe to the corresponding thread end collecting device through suction force generated by the power device. The design is to facilitate the concentrated collection of the short thread ends.
Compared with the prior art, the utility model has the advantages of: simple structure, manufacturing cost is lower, has still accelerated work efficiency greatly when having saved the manpower.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
fig. 1 is a schematic view of the components of the automatic thread end cutting device of the bar tacking machine of the present invention.
Description of reference numerals: 101. a needle plate; 102. a wire drop head through hole; 103. an upper blade; 104. a lower blade; 105. a fixing pin; 106. a spring; 107. a drive shaft; 108. a cylinder connecting piece; 109. a notch; 110. a suction pipe base; 111. an air intake duct; 112. a base plate; 113. a U-shaped fence; 114. and a cylinder.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "bottom", "top", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1, the automatic thread trimmer of the present embodiment includes a needle plate 101 and a thread-drop through hole 102 formed in the needle plate 101, a thread trimmer is fixed to a top of the needle plate 101, that is, a bottom of the needle plate 101 during use, the thread trimmer is opposite to the thread-drop through hole 102, the thread trimmer is composed of an upper blade 103 and a lower blade 104, opposite fastening rod through holes are formed in positions of the upper blade 103 and the lower blade 104 close to a cutter head, a fastening rod 105, preferably a bolt, penetrates through the lower blade 104 and the fastening rod through hole of the upper blade 103 to be screwed and fixed to the needle plate 101, a spring 106 is sleeved on the fastening rod 105, the spring 106 abuts against the lower blade 104 to make the lower blade 104 abut against the upper blade 103, and for fixing, the upper blade 103 is further fixed to the needle plate 101 by a screw The transmission shaft 107 is Z-shaped, a bottom cross rod of the transmission shaft is fixed with the lower blade 104 through a screw, a top cross rod of the transmission shaft is fixed with the cylinder connecting piece 108 through a screw, a notch 109 is formed in the top of the right side of the cylinder connecting piece 108, the transmission shaft 107 is lapped on the notch 109 and is fixed through a screw, and the left side of the cylinder connecting piece 108 is directly fixed with the cylinder 114 through a main shaft.
When the use is finished each time when the sleeve joint work is finished to the tail, redundant thread ends fall from the thread drop end through hole 102 on the needle plate 101, at the moment, a battery valve of the sleeve joint machine receives a signal instruction to control the main shaft of the air cylinder 114 to move forwards, the movement of the main shaft drives the air cylinder connecting piece 108 fixed with the main shaft to move, the air cylinder connecting piece 108 firstly pushes the transmission shaft 107 to move, finally, the transmission shaft 107 and the lower blade 104 rotate together due to the action of the screw and the fixed rod 105, and the thread ends between the upper blade 103 and the lower blade 104 are cut by the rotating lower blade 103 under the action of the pushing force and the elastic force of the spring 106 due to the lower blade 104, so that the automatic thread end cutting process is finished.
Of course, in the above structure, because of the problem of processing position, there is a phenomenon that the thread end is not easy to be collected, so on the basis of the above structure, the automatic thread end cutting device of the bar tacking machine provided in this embodiment further has a suction device, the suction device is composed of a suction tube base 110, a suction tube 111 and a power device, the suction tube base 110 is composed of a bottom plate 112 and a U-shaped enclosure 113 fixed on the top of the bottom plate 112, the suction tube base 110 covers the outer portions of the cutter heads of the upper blade 103 and the lower blade 104, meanwhile, the bottom plate 112 of the suction tube base 110 is provided with a plugging hole, one side of the suction tube 111 is plugged into the plugging hole and fixed with the plugging hole, so that the dropped thread end can be sucked into the designated trash can through the suction tube 111 after the power device.
The tacking machine with the automatic thread end shearing device can save labor and greatly accelerate working efficiency.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various changes and modifications may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. An automatic thread end cutting device of a bar tacking machine comprises: a needle plate, wherein the needle plate is provided with a thread drop head through hole,
the bottom of the needle plate is provided with a thread cutter which is opposite to the thread falling head, the thread cutter consists of an upper blade and a lower blade, the upper blade is fixed at the bottom of the needle plate, the lower blade is fixed with the upper blade through a fixed rod, the fixed rod is sleeved with a spring, the spring enables the lower blade to prop against the upper blade,
the bottom of the needle plate is also provided with a transmission shaft, one side of the transmission shaft is movably fixed with the lower blade, the other side of the transmission shaft is movably fixed with the air cylinder, and after the transmission shaft is driven by the air cylinder to rotate, the lower blade movably fixed with the transmission shaft rotates around the fixed rod, so that the upper blade is matched with the lower blade to cut off thread ends.
2. The automatic thread trimming head device of claim 1, wherein the upper blade is fixed to the bottom of the needle plate by screws, the fixing rod is a bolt, and the fixing rod is screwed to the bottom of the needle plate after passing through the lower blade and the upper blade.
3. The automatic thread trimming head device of claim 1, wherein the cylinder has a cylinder connector fixed to a main shaft of the cylinder, a notch is formed in a side of the cylinder connector not connected to the main shaft of the cylinder, the transmission shaft is Z-shaped, a cross bar at one side of the transmission shaft is overlapped on the notch and fixed by a screw, and the lower blade is overlapped on a cross bar at the other side of the transmission shaft and fixed by a screw.
4. The automatic thread end cutting device of the bar tacking machine as claimed in any one of claims 1 to 3, wherein the automatic thread end cutting device further comprises a suction device, the suction device comprises a suction tube seat, a suction tube and a power device, the suction tube seat comprises a bottom plate and a U-shaped fence fixed on the top of the bottom plate, the suction tube seat is arranged at the bottom of the needle plate and covers the outside of the thread cutting knife, the bottom plate of the suction tube seat is provided with a plug hole, one side of the suction tube is plugged into the plug hole and fixed with the plug hole, and the suction tube passes through the suction tube by the power device to enable the thread end to pass through the suction tube to the corresponding thread end collecting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920422894.1U CN209836487U (en) | 2019-04-03 | 2019-04-03 | Automatic thread end cutting device of bar tacking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920422894.1U CN209836487U (en) | 2019-04-03 | 2019-04-03 | Automatic thread end cutting device of bar tacking machine |
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| Publication Number | Publication Date |
|---|---|
| CN209836487U true CN209836487U (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920422894.1U Active CN209836487U (en) | 2019-04-03 | 2019-04-03 | Automatic thread end cutting device of bar tacking machine |
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| CN (1) | CN209836487U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024087592A1 (en) * | 2022-10-24 | 2024-05-02 | 浙江博睿智能科技有限公司 | Thread trimming device and automatic stitching device |
-
2019
- 2019-04-03 CN CN201920422894.1U patent/CN209836487U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024087592A1 (en) * | 2022-10-24 | 2024-05-02 | 浙江博睿智能科技有限公司 | Thread trimming device and automatic stitching device |
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