CN208701332U - A kind of automatic thread trimming device of sewing machine - Google Patents
A kind of automatic thread trimming device of sewing machine Download PDFInfo
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- CN208701332U CN208701332U CN201821416082.8U CN201821416082U CN208701332U CN 208701332 U CN208701332 U CN 208701332U CN 201821416082 U CN201821416082 U CN 201821416082U CN 208701332 U CN208701332 U CN 208701332U
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- trimming
- air inlet
- guiding groove
- plate
- guide part
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Abstract
The utility model provides a kind of automatic thread trimming device of sewing machine, belongs to technical field of sewing machines.It solves the problems, such as that existing automatic thread trimming device stability is poor.The automatic thread trimming device of this sewing machine includes trimming plate and trimming unit, the outside of trimming plate is arranged in trimming unit, with the guiding groove of recessed setting on the lateral wall of trimming plate, with the air inlet duct of recessed setting on the inner sidewall of trimming plate, the bottom of trimming plate has the suction hole for connecting air intake duct, suction hole is connected with guiding groove, the bottom of trimming plate also has the air inlet for connecting air inlet pipe, air inlet is connected with air inlet duct, it is connected at the top of the top of guiding groove and air inlet duct, and the connectivity part of guiding groove and air inlet duct is equipped with the guide part being oriented to air-flow.The automatic thread trimming device of this sewing machine has the advantages that stability is good.
Description
Technical field
The utility model belongs to technical field of sewing machines, is related to a kind of automatic thread trimming device of sewing machine.
Background technique
General conventional sewing machine is one and connects a ground by the suture that not yet cuts off in succession at one when operating sewing workpiece
String waits sewings to complete certain amount and then one by one cut off the sewed product that bunchiness is connected with scissors one by one.This work
Industry method is since operating personnel still has in addition pick up scissors again and cut one by one, therefore more time-consuming work consuming.
For the problem present on, people make miscellaneous improvement, and some has also applied for patent, such as China is specially
[the application number: 201010200596.1 of automatic thread trimming device of industrial sewing machine disclosed in sharp documents and materials；Application publication number:
CN102268787A], be in the sewing platform of sewing machine side edge be equipped with pedestal, in set on pedestal trimming unit and positioning
Seat has guiding conduit on the positioning seat, and guides conduit and be connected by connector with external suction unit, in guiding conduit
Two sides are installed with first detection unit, separately correspond in the ontology of sewing machine and install second detection unit at the sewing platform, and
Insufflation unit is installed with above the corresponding guiding conduit of the ontology of sewing machine.
The automatic thread trimming device of this kind of structure realizes the automatic shearing of sewing machine.But the automatic shearing of this kind of structure is traditional thread binding
It sets, insufflation unit is located at the top of guiding conduit, i.e., has one section of unobstructed space, gas between insufflation unit and guiding conduit
Stream after being blown out in the pipe of insufflation unit, air-flow can be spread, and air-flow behind the unobstructed space be easy by
External influence, stability is poor, there are problems that the air-flow that insufflation unit is produced by boasting is unable to face guiding conduit, insufflation unit rises
It is blown into the guiding conduit less than by the suture head for playing seam netting, leads to not carry out normal trimming.
Summary of the invention
The purpose of this utility model is to propose a kind of the automatic of sewing machine for the above-mentioned problems in the prior art
The technical issues of cutting facility, solution is how to make the stability of automatic thread trimming device good.
The purpose of this utility model can be realized by the following technical scheme: a kind of automatic thread trimming device of sewing machine, packet
Trimming plate and trimming unit are included, the outside of trimming plate is arranged in the trimming unit, which is characterized in that the outside of the trimming plate
There is the guiding groove of recessed setting, the air inlet duct with recessed setting on the inner sidewall of the trimming plate, the trimming plate on wall
Bottom there is suction hole for connecting air intake duct, the suction hole is connected with guiding groove, and the bottom of the trimming plate is also
With the air inlet for connecting air inlet pipe, the air inlet is connected with air inlet duct, the top of the guiding groove and air inlet duct
Top be connected, and the connectivity part of the guiding groove and air inlet duct is equipped with the guide part that is oriented to air-flow.
Suction hole carries out air-breathing against guiding groove, and air inlet is blown against air inlet duct, and the gas in air inlet duct leads to again
It crosses guide part to enter the top of guiding groove and flow to suction hole along guiding groove, the suture head for having enable seam to knot is inhaled into
Into guiding conduit, trimming is carried out by trimming unit.The setting of guide part is allowed the flow to realize and be turned round, to make guiding groove
With air inlet duct can be arranged on the inner sidewall of trimming plate and lateral wall on, the air blowing list of compact-sized this automatic thread trimming device of
Member and suction unit are respectively positioned in trimming plate, and than more covert, air-flow by external interference, does not guarantee air-flow by the direction of setting for position
It is flowed, has guaranteed that the suture head of seam netting is inhaled into guiding conduit, trimming is smooth, the stabilization of this automatic thread trimming device
Property is good.
In a kind of automatic thread trimming device of above-mentioned sewing machine, the guide part include the first guide part, described first
Guide part is located at the surface of guiding groove and air inlet duct connectivity part, and first guide part has recessed towards the side of the connectivity part
Enter setting and arc-shaped guide groove.The first guide part position is just at the rocket motor in guiding groove and air inlet duct,
Guide groove is arc-shaped, so that the air-flow in air inlet duct is more smoothly passed over guide groove and enters in guiding groove, air-flow flowing
Steadily, suture head is enable preferably to be inhaled into guiding groove, trimming is smooth, and the stability of this automatic thread trimming device is good.
In a kind of automatic thread trimming device of above-mentioned sewing machine, there is the guide surface being obliquely installed in the guiding groove,
The top of the guide surface is located at the top of guiding groove, and the inner sidewall along trimming plate is towards the lateral wall direction of trimming plate, institute
Guide surface is stated to be arranged obliquely.Keep the air-flow entered in guiding groove in air inlet duct flowing steady, can preferably generate negative pressure,
To enable the end of a thread to be preferably inhaled into guiding groove, by the disposition of this kind of structure of guide surface, make the top of guiding groove
Air-flow will not be chaotic, air-flow enables suture head to be preferably inhaled into guiding groove by direction initialization flowing.
In a kind of automatic thread trimming device of above-mentioned sewing machine, the guide part further includes the second guide part, and described
Two guide parts and the first guide part are an integral structure, second guide part be in tabular, second guide part block into
The bottom end of the opening of air drain, the air inlet duct is connected with air inlet.So that air inlet duct is become air inlet by the second guide part, makes
For air-flow by the direction flowing of setting, the stability of air-flow is good, guarantees that the end of a thread can be inhaled into, trimming is smooth, this automatic thread trimming device
Stability it is good.
In a kind of automatic thread trimming device of above-mentioned sewing machine, the lateral wall of second guide part is interior with trimming plate
Side wall is flush.Design rationally, rationally utilizes space.
In a kind of automatic thread trimming device of above-mentioned sewing machine, the outside of the trimming plate is equipped with plugging plate, the envelope
Closure plate blocks the opening of guiding groove, and the bottom end of the guiding groove is connected with suction hole.Guiding groove is set to become to draw by plugging plate
Guide hole flows air-flow by the direction of setting, and the stability of air-flow is good, guarantees that the end of a thread can be inhaled into, trimming is smooth, this automatic shearing
The stability of line apparatus is good.
In a kind of automatic thread trimming device of above-mentioned sewing machine, it is additionally provided with shield on the outside of the trimming plate, it is described
Trimming unit is between shield and plugging plate.The setting of shield separates trimming unit with the external world, makes trimming unit not
Vulnerable to extraneous interference, to improve the stability of this automatic thread trimming device.
Compared with prior art, the insufflation unit of the automatic thread trimming device of sewing machine provided by the utility model and air-breathing list
Member is respectively positioned in trimming plate, and than more covert, air-flow guarantees that air-flow is flowed by the position of setting not by external interference for position,
Guarantee that the suture head of seam netting is inhaled into guiding conduit, trimming is smooth, and the stability of this automatic thread trimming device is good.
Detailed description of the invention
Fig. 1 is the overall structure diagram of this automatic thread trimming device.
Fig. 2 is the cross-sectional view of this automatic thread trimming device.
Fig. 3 is the structural schematic diagram one of this automatic thread trimming device trimming plate.
Fig. 4 is the structural schematic diagram two of this automatic thread trimming device trimming plate.
Fig. 5 is the structural schematic diagram of the guide part of this automatic thread trimming device.
In figure, 1, trimming plate；2, trimming unit；3, guiding groove；4, air inlet duct；5, air intake duct；6, suction hole；7, air inlet
Pipe；8, air inlet；9, guide part；91, the first guide part；92, guide groove；93, the second guide part；10, guide surface；11, it blocks
Plate；12, shield.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1, the automatic thread trimming device of this sewing machine includes trimming plate 1, trimming unit 2, guide part 9, plugging plate
11 and shield 12.
As shown in Figure 2, Figure 3, Figure 4, on the lateral wall of trimming plate 1 with the guiding groove 3 of recessed setting, trimming plate 1 it is outer
Side is equipped with plugging plate 11, and plugging plate 11 blocks the opening of guiding groove 3, and the outside of trimming plate 1 is equipped with shield 12, trimming unit 2
The outside of trimming plate 1 is set, and trimming unit 2, between shield 12 and plugging plate 11, the bottom of trimming plate 1, which has, to be used
In the suction hole 6 of connection air intake duct 5, suction hole 6 is connected with the bottom of guiding groove 3.
On the inner sidewall of trimming plate 1 with recessed setting air inlet duct 4, the bottom of trimming plate 1 also have for connect into
The bottom end of the air inlet 8 of tracheae 7, air inlet duct 4 is connected with air inlet 8, and the top of guiding groove 3 is connected with the top of air inlet duct 4
It is logical, there is the guide surface 10 being obliquely installed, the top of guide surface 10 is located at the top of guiding groove 3, along trimming plate in guiding groove 3
1 inner sidewall is arranged obliquely towards the lateral wall direction of trimming plate 1, guide surface 10.
As shown in figure 5, guide part 9 includes the first guide part 91 and the second guide part 93, the second guide part 93 and first is led
It is an integral structure to portion 91, the first guide part 91 is located at the surface of 4 connectivity part of guiding groove 3 and air inlet duct, the first guide part
91 have the guide groove 92 of recessed setting being oriented to air-flow towards the side of the connectivity part, and the second guide part 93 is in plate
Shape, the second guide part 93 block the opening of air inlet duct 4, and the inner sidewall of the lateral wall and trimming plate 1 of the second guide part 93 is flush.
When needing trimming, 7 air inlet of air inlet pipe, gas is entered in air inlet duct 4 by air inlet 8, and along guide groove 92
It enters in guiding groove 3,5 air-breathing of air intake duct, is siphoned away the gas of guiding groove 3 by suction hole 6, to make the top of guiding groove 3
Portion position generates negative pressure, and the trimming position for entering suture head in guiding groove 3, then trimming unit 2 works, and realizes trimming,
Trimming unit 2 is the prior art, is not repeated them here.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although trimming plate 1, trimming unit 2, guiding groove 3, air inlet duct 4, air intake duct 5, suction hole is used more herein
6, air inlet pipe 7, air inlet 8, guide part 9, the first guide part 91, guide groove 92, the second guide part 93, guide surface 10, plugging plate
11, the terms such as shield 12, but it does not exclude the possibility of using other terms.The use of these items is only for more convenient
Ground describes and explains the essence of the utility model；Being construed as any additional limitation all is and the utility model essence
What mind was disagreed.
Claims (7)
1. a kind of automatic thread trimming device of sewing machine, including trimming plate (1) and trimming unit (2), trimming unit (2) setting
In the outside of trimming plate (1), which is characterized in that there is the guiding groove (3) of recessed setting on the lateral wall of the trimming plate (1),
With the air inlet duct (4) of recessed setting on the inner sidewall of the trimming plate (1), the bottom of the trimming plate (1) has for connecting
The suction hole (6) of air intake duct (5) is connect, the suction hole (6) is connected with guiding groove (3), and the bottom of the trimming plate (1) also has
There is the air inlet (8) for connecting air inlet pipe (7), the air inlet (8) is connected with air inlet duct (4), the guiding groove (3)
It is connected at the top of top and air inlet duct (4), and the connectivity part of the guiding groove (3) and air inlet duct (4) is equipped with and carries out to air-flow
The guide part (9) of guiding.
2. a kind of automatic thread trimming device of sewing machine according to claim 1, which is characterized in that guide part (9) packet
It includes the first guide part (91), first guide part (91) is located at the surface of guiding groove (3) and air inlet duct (4) connectivity part, institute
Stating the first guide part (91) has recessed setting and arc-shaped guide groove (92) towards the side of the connectivity part.
3. a kind of automatic thread trimming device of sewing machine according to claim 1 or 2, which is characterized in that the guiding groove (3)
In there is the guide surface (10) that is obliquely installed, the top of the guide surface (10) is located at the top of guiding groove (3), along trimming plate
(1) inner sidewall is arranged obliquely towards the lateral wall direction of trimming plate (1), the guide surface (10).
4. a kind of automatic thread trimming device of sewing machine according to claim 2, which is characterized in that the guide part (9) is also
Including the second guide part (93), second guide part (93) and the first guide part (91) are an integral structure, and described second leads
Be in tabular to portion (93), second guide part (93) blocks the opening of air inlet duct (4), the bottom end of the air inlet duct (4) with
Air inlet (8) is connected.
5. a kind of automatic thread trimming device of sewing machine according to claim 4, which is characterized in that second guide part
(93) lateral wall and the inner sidewall of trimming plate (1) are flush.
6. a kind of automatic thread trimming device of sewing machine according to claim 1 or 2, which is characterized in that the trimming plate (1)
Outside be equipped with plugging plate (11), the plugging plate (11) blocks the opening of guiding groove (3), the bottom end of the guiding groove (3) with
Suction hole (6) is connected.
7. a kind of automatic thread trimming device of sewing machine according to claim 6, which is characterized in that the trimming plate (1)
Outside is additionally provided with shield (12), and the trimming unit (2) is located between shield (12) and plugging plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821416082.8U CN208701332U (en) | 2018-08-30 | 2018-08-30 | A kind of automatic thread trimming device of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821416082.8U CN208701332U (en) | 2018-08-30 | 2018-08-30 | A kind of automatic thread trimming device of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208701332U true CN208701332U (en) | 2019-04-05 |
Family
ID=65945507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821416082.8U Active CN208701332U (en) | 2018-08-30 | 2018-08-30 | A kind of automatic thread trimming device of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208701332U (en) |
-
2018
- 2018-08-30 CN CN201821416082.8U patent/CN208701332U/en active Active
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