CN111719250A - Sewing equipment, cloth pressing device thereof and method for sewing binding strips on cut pieces - Google Patents
Sewing equipment, cloth pressing device thereof and method for sewing binding strips on cut pieces Download PDFInfo
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- CN111719250A CN111719250A CN202010617083.4A CN202010617083A CN111719250A CN 111719250 A CN111719250 A CN 111719250A CN 202010617083 A CN202010617083 A CN 202010617083A CN 111719250 A CN111719250 A CN 111719250A
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- presser foot
- mounting
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- cloth pressing
- pressing device
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- 238000009958 sewing Methods 0.000 title claims abstract description 89
- 239000004744 fabric Substances 0.000 title claims abstract description 50
- 238000003825 pressing Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 53
- 238000009434 installation Methods 0.000 claims abstract description 19
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000002390 adhesive tape Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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Classifications
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
- D05B29/02—Presser-control devices
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
- D05B29/06—Presser feet
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention relates to a sewing device and a cloth pressing device thereof, and a method for sewing a binding strip on a cut piece, wherein the cloth pressing device is provided with a first presser foot and a second presser foot which are respectively connected with an installation mechanism, and is also provided with an elastic telescopic piece, two ends of the elastic telescopic piece are respectively connected with the first presser foot and the installation mechanism so as to enable the first presser foot to be close to or far away from the installation mechanism, when the binding strip on the cut piece is sewn, the presser foot with a higher position can be directly pressed on the binding strip, and the presser foot with a lower position is pressed on the cut piece, without sticking adhesive tapes or paper sheets with corresponding thickness on the cut piece by adopting a traditional double-needle flat sewing machine, the operation is simple and convenient, and the production efficiency is improved.
Description
Technical Field
The invention relates to the technical field of textile machinery equipment, in particular to sewing equipment, a cloth pressing device of the sewing equipment and a method for sewing binding strips on cut pieces.
Background
The sewing machine presser foot is an essential part in a feeding mechanism of a sewing machine, and various sewing machine presser feet in different forms play an important role in the production process. When the flat-bottom presser foot of the traditional double-needle flat sewing machine sews the binding strip on the cut piece, one part of the presser foot of the sewing machine presses on the binding strip, and the other part of the presser foot is in a suspended state because the binding strip is on the cut piece. The common method for dealing with the problem is to attach adhesive tape or paper sheets with corresponding thickness on the cut pieces on one suspended side according to the thickness of the binding strip, so that the two sides of the presser foot can press the cloth. However, this method adds an additional operation, which is troublesome, and decreases the production efficiency.
Disclosure of Invention
Therefore, the sewing equipment, the cloth pressing device thereof and the method for sewing the binding strip on the cut piece are needed to be provided, so that the problems of troublesome operation and low production efficiency caused by the fact that the adhesive tape or paper sheets with corresponding thickness need to be attached to the cut piece when the flat-bottom presser foot of the traditional double-needle flat sewing machine sews the binding strip on the cut piece are solved.
One of the purposes of the invention is to provide a cloth pressing device of sewing equipment, which adopts the following scheme:
a cloth pressing device of sewing equipment comprises an installation mechanism, an elastic telescopic piece, a first presser foot and a second presser foot, wherein the installation mechanism is used for being connected with a sewing machine head of the sewing equipment, the first presser foot and the second presser foot are respectively connected with the installation mechanism, and two ends of the elastic telescopic piece are respectively connected with the first presser foot and the installation mechanism so that the first presser foot can be close to or far away from the installation mechanism.
Compared with the prior art, the cloth pressing device of the sewing equipment is provided with the first presser foot and the second presser foot which are respectively connected to the installation mechanism, the elastic extensible member is further arranged, the two ends of the elastic extensible member are respectively connected to the first presser foot and the installation mechanism so that the first presser foot can be close to or far away from the installation mechanism, when the binding strip on the sewing cut piece is adopted, the presser foot with the higher position can be directly pressed on the binding strip, the presser foot with the lower position is pressed on the cut piece, the adhesive tape or the paper sheet with the corresponding thickness is not required to be pasted on the cut piece by adopting a traditional double-needle flat sewing machine, the operation is simple and convenient, and the production efficiency is improved.
In one embodiment, the first presser foot is further from the mounting mechanism than the second presser foot when the mounting mechanism is in a natural state, i.e. in an unpressed state.
With the cloth pressing device of the above example, when sewing the bundle strip on the cut piece, the first presser foot is positioned lower and movable, and therefore the first presser foot is made to press the cut piece, and the second presser foot is made to press the bundle strip.
In one embodiment, the mounting mechanism includes a machine head mounting component, a first connecting piece, a second connecting piece, a third connecting piece and a mounting shaft, the machine head mounting component is used for being connected with a sewing machine head of the sewing equipment, the third connecting piece is connected with the machine head mounting component, the first connecting piece is connected with the first presser foot, the second connecting piece is connected with the second presser foot, a first mounting hole is arranged on the first connecting piece, a second mounting hole is arranged on the second connecting piece, a third mounting hole is arranged on the third connecting piece, the mounting shaft penetrates through the first mounting hole, the second mounting hole and the third mounting hole to connect the first connecting piece, the second connecting piece and the third connecting piece, the first mounting hole is a strip-shaped hole to enable the first connecting piece to move relative to the mounting shaft, two opposite ends of the elastic telescopic piece are respectively connected with the third connecting piece and the first presser foot; when the mounting mechanism is in a natural state, the elastic expansion piece is in a natural state or a compressed state, and the mounting shaft abuts against the hole wall of one end, far away from the first presser foot, of the first mounting hole.
When the cloth pressing device of the above example is pressed down on the binding strip on the cut piece, the first presser foot can be pressed against the cut piece. Meanwhile, the cloth pressing device can adapt to the binding strip with a certain thickness, for example, when the thickness of the binding strip is reduced, the elastic expansion piece can be further compressed, and the first presser foot is pressed on the cutting piece under the elastic force action of the elastic expansion piece.
In one embodiment, the first mounting hole is a kidney-shaped hole, and the second mounting hole and the third mounting hole are round holes.
In one embodiment, the third connecting member is annular, the third connecting member is disposed around the first connecting member and the second connecting member, the third connecting member is provided with at least two third mounting holes, and the mounting shaft sequentially penetrates through one of the third mounting holes, the first mounting hole, the second mounting hole, and the other third mounting hole.
In one embodiment, the first connecting member and the second connecting member are block-shaped structures.
In one embodiment, the first link projects toward the second presser foot, and the projecting portion of the first link abuts against the second presser foot when the mounting mechanism is in a natural state.
In one embodiment, the resilient member is a spring.
In one embodiment, a first accommodating groove is formed in a side of the first presser foot facing the third connecting member, a second accommodating groove is formed in a side of the third connecting member facing the first presser foot, and two opposite ends of the elastic extensible member extend into the first accommodating groove and the second accommodating groove respectively.
In one embodiment, two opposite ends of the elastic expansion piece are respectively abutted against the groove bottom of the first accommodating groove and the groove bottom of the second accommodating groove.
In one embodiment, the number of the elastic expansion members is multiple, such as 2, 3, 4, etc., and the multiple elastic expansion members are distributed at least on two opposite sides of the first connecting member.
In one embodiment, the first presser foot is provided with a first needle falling hole, and the second presser foot is provided with a second needle falling hole.
In one embodiment, the first presser foot has a first upturned portion at one end and the second presser foot has a second upturned portion at one end.
Another purpose of the invention is to provide a sewing machine, the scheme is as follows:
the sewing equipment comprises a machine base, a sewing machine head and the cloth pressing device in any one of the embodiments, wherein the sewing machine head is arranged on the machine base, and an installation mechanism of the cloth pressing device is connected with the sewing machine head.
The sewing equipment comprises the cloth pressing device, so that corresponding technical effects can be obtained.
In one embodiment, the sewing apparatus is a two-needle lockstitch sewing machine.
A further object of the present invention is to provide a method of sewing a bundle strip on a panel, the solution being as follows:
a method of sewing a bundle strip on a cut piece, using the sewing apparatus of any of the above embodiments to sew. When sewing, the presser foot with higher position is pressed on the binding strip, and the presser foot with lower position is pressed on the cut sheet.
The method for sewing the binding strip on the cut piece adopts the sewing equipment, so that corresponding technical effects can be obtained.
Drawings
Fig. 1 is a schematic structural view of a cloth pressing device according to an embodiment, and fig. 1 omits an elastic expansion member and a mounting shaft;
fig. 2 is a schematic structural view of the cloth pressing device shown in fig. 1 from another view, and a head mounting part, an elastic expansion member and a third connecting member are omitted from fig. 2.
Description of reference numerals:
100. a cloth pressing device; 110. a first presser foot; 120. a second presser foot; 130. a handpiece mounting member; 140. a first connecting member; 141. a protruding portion; 142. a first mounting hole; 150. a second connecting member; 160. a third connecting member; 162. a third mounting hole; 170. installing a shaft; 112. a first accommodating groove; 114. a first pin falling hole; 122. a second pin falling hole; 116. a first upturned portion; 124. a second upturned portion.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
In the description of the present invention, it is to be understood that the terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The invention provides a cloth pressing device 100 of sewing equipment, which is suitable for a binding strip on a cut piece sewn by a double-needle machine.
Referring to fig. 1 and 2, a cloth pressing device 100 according to an embodiment of the present invention includes a mounting mechanism, an elastic expansion member (not shown), a first presser foot 110, and a second presser foot 120.
The mounting mechanism is used for being connected with a sewing machine head of the sewing device.
In particular, in the present invention, the cloth pressing device 100 comprises a first presser foot 110 and a second presser foot 120, the first presser foot 110 and the second presser foot 120 being respectively connected to the mounting mechanism. More specifically, the first presser foot 110 and the second presser foot 120 are arranged side by side. The cloth pressing device 100 is provided with an elastic telescopic member, and both ends of the elastic telescopic member are respectively connected to the first presser foot 110 and the mounting mechanism so that the first presser foot 110 can approach or depart from the mounting mechanism.
The cloth pressing device 100 of the sewing equipment is provided with the first presser foot 110 and the second presser foot 120 which are respectively connected to the mounting mechanism, and is further provided with the elastic telescopic piece, two ends of the elastic telescopic piece are respectively connected to the first presser foot 110 and the mounting mechanism so that the first presser foot 110 can be close to or far away from the mounting mechanism, when a binding strip on a cut piece is sewn, the presser foot with a higher position can be directly pressed on the binding strip, the presser foot with a lower position is pressed on the cut piece, and the cloth pressing device does not need to be used for pasting adhesive tapes or paper sheets with corresponding thickness on the cut piece by adopting a traditional double-needle flat sewing machine, is simple and convenient to operate, and improves the.
As shown in fig. 1, in one example, the first presser foot 110 is further from the mounting mechanism than the second presser foot 120 when the mounting mechanism is in a natural state, i.e., in an unpressed state. In this example, when sewing a binding strip on a panel, the first presser foot 110 is positioned lower and movable, and thus the first presser foot 110 is pressed against the panel and the second presser foot 120 is pressed against the binding strip.
In other examples, the second presser foot 120 may also be further from the mounting mechanism than the first presser foot 110 when the mounting mechanism is in a natural state. Accordingly, when the binding strip on the cut piece is sewn, the first presser foot 110 is positioned higher and can move, and thus the first presser foot 110 is pressed against the binding strip, and the second presser foot 120 is pressed against the cut piece.
Referring to fig. 1 and 2, in one example, the mounting mechanism includes a handpiece mounting component 130, a first connector 140, a second connector 150, a third connector 160, and a mounting shaft 170. In fig. 1, the elastic expansion member and the mounting shaft are omitted, and in fig. 2, the handpiece mounting member, the elastic expansion member and the third link are omitted.
The head mounting part 130 is used for coupling with a sewing head of a sewing apparatus.
The first connecting member 140 is connected to the first presser foot 110, and the first connecting member 140 is provided with a first mounting hole 142. The second connecting member 150 is connected to the second presser foot 120, and the second connecting member 150 is provided with a second mounting hole (not shown).
The third link 160 is connected to the handpiece mounting section 130. The third connecting member 160 is provided with a third mounting hole 162. The mounting shaft 170 penetrates through the first mounting hole 142, the second mounting hole and the third mounting hole 162 to connect the first connecting member 140, the second connecting member 150 and the third connecting member 160, thereby connecting the first presser foot 110, the second presser foot 120 and the head mounting member 130.
The first mounting hole 142 is a strip-shaped hole to enable the first connecting member 140 to move relative to the mounting shaft 170, and opposite ends of the elastic expansion member are respectively connected to the third connecting member 160 and the first presser foot 110.
When the mounting mechanism is in the natural state, the elastic expansion member is in the natural state or the compressed state and the mounting shaft 170 abuts against the wall of the first mounting hole 142 at the end far from the first presser foot 110. Thus, when the cloth pressing device 100 presses down the bundle strip on the cut piece, the first presser foot 110 can be pressed against the cut piece. Meanwhile, the cloth pressing device 100 can adapt to a binding strip with a certain thickness, for example, when the thickness of the binding strip is reduced, the elastic expansion member can be further compressed, and the first presser foot 110 is pressed against the cut piece under the elastic force of the elastic expansion member.
It will be appreciated that the difference in height of the first and second presser feet 110, 120 when the mounting mechanism is in its natural state can be designed according to particular needs.
In the specific example shown in fig. 1, the third connecting member 160 is annular, the third connecting member 160 is disposed around the first connecting member 140 and the second connecting member 150, at least two third mounting holes 162 are disposed on the third connecting member 160, and the mounting shaft 170 sequentially penetrates through one of the third mounting holes 162, the first mounting hole 142, the second mounting hole and the other third mounting hole 162. In this way, the third connecting member 160 can connect the first connecting member 140 and the second connecting member 150 more firmly, and the central hole of the third connecting member 160 can also be an abdicating hole for the movement of the first connecting member 140.
In the particular example shown in fig. 1, the first connector 140 and the second connector 150 are block-like structures.
As shown in fig. 2, in one example, the first connector 140 protrudes toward the second presser foot 120, forming a protruding portion 141 above the second presser foot 120. When the mounting mechanism is in a natural state, the protruding portion 141 of the first connecting member 140 abuts against the second presser foot 120. The position of the first presser foot 110 is restricted by the protruding portion 141 of the first link 140 abutting against the second presser foot 120.
In one example, the mounting shaft 170 is threaded with the second mounting hole.
In one example, the mounting shaft 170 is threaded with the third mounting hole 162.
In other examples, the second and third mounting holes 162 may be non-threaded holes, the mounting shaft 170 may be threaded, and the mounting shaft 170 may be threaded and then fastened with bolts. Alternatively, the shaft surface of the mounting shaft 170 is smooth, and the second and third mounting holes 162 are non-threaded.
In the specific example shown in fig. 1, the mounting shaft 170 is cylindrical, the first mounting hole 142 is a kidney-shaped hole, and the second and third mounting holes 162 are circular holes.
In one example, the resilient bellows is a spring.
As shown in fig. 1 and 2, in one example, a first receiving groove 112 is formed on a side of the first presser foot 110 facing the third connecting member 160, a second receiving groove (not shown) is formed on a side of the third connecting member 160 facing the first presser foot 110, and two opposite ends of the elastic expansion member respectively extend into the first receiving groove 112 and the second receiving groove.
The two opposite ends of the elastic expansion piece are respectively abutted against the bottom of the first containing groove 112 and the bottom of the second containing groove. It is understood that in other examples, opposite ends of the elastic telescopic member may be fixedly connected with at least one of the first presser foot 110 and the third connecting member 160.
Alternatively, the number of the elastic expansion members is not limited to one, and may be plural, for example, 2, 3, 4, etc.
In one example, the elastic expansion members are provided in plurality, and the plurality of elastic expansion members are distributed at least on both sides of the first link member 140.
In the specific example shown in fig. 1, the number of the elastic expansion members is two, and the two elastic expansion members are respectively located at opposite sides of the first link member 140.
As shown in fig. 1 and 2, in one example, the first presser foot 110 is provided with a first needle drop hole 114, the second presser foot 120 is provided with a second needle drop hole 122, and the first needle drop hole 114 and the second needle drop hole 122 are used for allowing a sewing needle to penetrate a cloth below the presser foot. More specifically, the first and second needle drop holes 114 and 122 are kidney-shaped holes.
As shown in fig. 1 and 2, in one example, one end of the first presser foot 110 has a first upturned portion 116 and one end of the second presser foot 120 has a second upturned portion 124.
The cloth pressing device 100 of the sewing equipment is provided with the first presser foot 110 and the second presser foot 120 which are respectively connected to the mounting mechanism, and is further provided with the elastic telescopic piece, two ends of the elastic telescopic piece are respectively connected to the first presser foot 110 and the mounting mechanism so that the first presser foot 110 can be close to or far away from the mounting mechanism, when a binding strip on a cut piece is sewn, the presser foot with a higher position can be directly pressed on the binding strip, the presser foot with a lower position is pressed on the cut piece, and the cloth pressing device does not need to be used for pasting adhesive tapes or paper sheets with corresponding thickness on the cut piece by adopting a traditional double-needle flat sewing machine, is simple and convenient to operate, and improves the.
Further, the present invention provides a sewing apparatus including a bed, a sewing head, and the cloth pressing device 100 of any of the above examples. Wherein, the sewing machine head is arranged on the machine base, and the installation mechanism of the cloth pressing device 100 is connected with the sewing machine head.
The sewing equipment comprises the cloth pressing device, so that corresponding technical effects can be obtained.
In one example, the sewing apparatus is a two-needle lockstitch machine.
Further, the invention provides a method for sewing the binding strip on the cut piece, which adopts the sewing equipment for sewing.
More specifically, when sewing, the presser foot located higher is pressed against the bundle strip and the presser foot located lower is pressed against the cut piece. For example, in the specific example shown in fig. 1, when performing sewing, the first presser foot 110 is pressed against the panel and the second presser foot 120 is pressed against the bundle strip.
The method for sewing the binding strip on the cut piece adopts the sewing equipment, so that corresponding technical effects can be obtained.
The present invention will be further described below with reference to a sewing machine and a cloth pressing device 100 thereof as specific examples.
Concrete example 1
The present example provides a cloth pressing device 100 of a sewing apparatus.
The cloth pressing device 100 includes a mounting mechanism, an elastic expansion member, a first presser foot 110, and a second presser foot 120. Wherein the mounting mechanism head mounts the component 130, the first link 140, the second link 150, the third link 160, and the mounting shaft 170.
The head mounting part 130 is used for coupling with a sewing head of a sewing apparatus.
The first connecting member 140 is a block-shaped body disposed on the first presser foot 110, and the first connecting member 140 is provided with a first mounting hole 142, and the first mounting hole 142 is a kidney-shaped hole. The second connecting member 150 is a block-shaped body disposed on the second presser foot 120, and the second connecting member 150 is provided with a second mounting hole, which is a circular hole.
The third link 160 is connected to the handpiece mounting section 130. The third connecting member 160 is annular, the third connecting member 160 is disposed around the first connecting member 140 and the second connecting member 150, two third mounting holes 162 are formed in the third connecting member 160, the third mounting holes 162 are circular holes, and the mounting shaft 170 sequentially penetrates through one of the third mounting holes 162, the first mounting hole 142, the second mounting hole and the other third mounting hole 162 to connect the first connecting member 140, the second connecting member 150 and the third connecting member 160.
Since the first mounting hole 142 of the first link 140 is a kidney-shaped hole, the first link 140 can move relative to the mounting shaft 170.
The elastic expansion member is a spring, and two opposite ends of the elastic expansion member are respectively connected to the third connecting member 160 and the first presser foot 110. A first accommodating groove 112 is formed in one side of the first presser foot 110 facing the third connecting member 160, a second accommodating groove is formed in one side of the third connecting member 160 facing the first presser foot 110, and two opposite ends of the elastic extensible member are respectively abutted to the groove bottom of the first accommodating groove 112 and the groove bottom of the second accommodating groove. The number of the elastic expansion members is two, and the two elastic expansion members are respectively located at opposite sides of the first connection member 140.
When the mounting mechanism is in the natural state, the elastic expansion member is in the natural state or the compressed state and the mounting shaft 170 abuts against the wall of the first mounting hole 142 at the end far from the first presser foot 110.
The first presser foot 110 is provided with a first needle falling hole 114, and the second presser foot 120 is provided with a second needle falling hole 122. One end of the first presser foot 110 has a first upturned portion 116 and one end of the second presser foot 120 has a second upturned portion 124.
Concrete example 2
The present example provides a sewing apparatus.
The sewing apparatus of the present example is a double needle lockstitch sewing machine including a bed, a sewing machine head, and the cloth pressing device 100 in specific example 1. Wherein, the sewing machine head is arranged on the machine base, and the installation mechanism of the cloth pressing device 100 is connected with the sewing machine head.
When the sewing apparatus of this example is used to sew a bundle strip on a cut piece, the first presser foot 110 is pressed against the cut piece, and the second presser foot 120 is pressed against the bundle strip.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (12)
1. The cloth pressing device of the sewing equipment is characterized by comprising an installation mechanism, an elastic telescopic piece, a first presser foot and a second presser foot, wherein the installation mechanism is used for being connected with a sewing machine head of the sewing equipment, the first presser foot and the second presser foot are respectively connected with the installation mechanism, and two ends of the elastic telescopic piece are respectively connected with the first presser foot and the installation mechanism so that the first presser foot can be close to or far away from the installation mechanism.
2. The cloth pressing apparatus of claim 1, wherein the first presser foot is further from the mounting mechanism than the second presser foot when the mounting mechanism is in a natural state.
3. The cloth pressing device according to claim 1 or 2, wherein the mounting mechanism includes a head mounting member for coupling with a sewing machine head of the sewing apparatus, a first link member coupled to the head mounting member, a second link member coupled to the first presser foot, a third link member coupled to the second presser foot, a first mounting hole provided in the first link member, a second mounting hole provided in the second link member, a third mounting hole provided in the third link member, and a mounting shaft passing through the first mounting hole, the second mounting hole and the third mounting hole to couple the first link member, the second link member and the third link member, the first mounting hole being a bar-shaped hole to allow the first link member to move relative to the mounting shaft, two opposite ends of the elastic telescopic piece are respectively connected with the third connecting piece and the first presser foot; when the mounting mechanism is in a natural state, the elastic expansion piece is in a natural state or a compressed state, and the mounting shaft abuts against the hole wall of one end, far away from the first presser foot, of the first mounting hole.
4. The cloth pressing device of claim 3, wherein the third connecting member is annular, the third connecting member is disposed around the first connecting member and the second connecting member, the third connecting member is provided with at least two third mounting holes, and the mounting shaft sequentially penetrates through one of the third mounting holes, the first mounting hole, the second mounting hole and the other third mounting hole.
5. The cloth pressing device as claimed in claim 3, wherein the first link member protrudes toward the second presser foot, and the protruding portion of the first link member abuts against the second presser foot when the mounting mechanism is in a natural state.
6. Cloth pressing device according to claim 3, characterised in that the elastic expansion element is a spring.
7. The cloth pressing device as claimed in claim 6, wherein a first receiving groove is provided on a side of said first presser foot facing said third link member, a second receiving groove is provided on a side of said third link member facing said first presser foot, and opposite ends of said elastic extensible member are respectively inserted into said first receiving groove and said second receiving groove.
8. The cloth pressing device according to claim 7, wherein opposite ends of the elastic extensible member abut against the bottom of the first receiving groove and the bottom of the second receiving groove, respectively.
9. Cloth pressing device according to claim 3, characterised in that said elastic bellows are provided in plurality, said elastic bellows being distributed at least on opposite sides of said first connecting element.
10. A cloth pressing apparatus as claimed in any one of claims 1, 2, 4 to 9, wherein said first presser foot is provided with a first needle falling hole and said second presser foot is provided with a second needle falling hole.
11. A sewing apparatus comprising a bed, a sewing machine head and a cloth pressing device according to any one of claims 1 to 10, wherein the sewing machine head is provided on the bed, and a mounting mechanism of the cloth pressing device is connected to the sewing machine head.
12. A method of sewing a bundle strip on a cut piece, characterized in that sewing is performed using the sewing apparatus as claimed in claim 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010617083.4A CN111719250A (en) | 2020-07-01 | 2020-07-01 | Sewing equipment, cloth pressing device thereof and method for sewing binding strips on cut pieces |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010617083.4A CN111719250A (en) | 2020-07-01 | 2020-07-01 | Sewing equipment, cloth pressing device thereof and method for sewing binding strips on cut pieces |
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| CN111719250A true CN111719250A (en) | 2020-09-29 |
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| CN202010617083.4A Pending CN111719250A (en) | 2020-07-01 | 2020-07-01 | Sewing equipment, cloth pressing device thereof and method for sewing binding strips on cut pieces |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113046934A (en) * | 2021-03-03 | 2021-06-29 | 达利(中国)有限公司 | Guide assembly and operation method for quilting thread of double-needle sewing machine to pass through metal eyelet |
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| CN212357574U (en) * | 2020-07-01 | 2021-01-15 | 广东溢达纺织有限公司 | Sewing machine and cloth pressing device thereof |
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