CN209194159U - A kind of sewing machine - Google Patents
A kind of sewing machine Download PDFInfo
- Publication number
- CN209194159U CN209194159U CN201821709831.6U CN201821709831U CN209194159U CN 209194159 U CN209194159 U CN 209194159U CN 201821709831 U CN201821709831 U CN 201821709831U CN 209194159 U CN209194159 U CN 209194159U
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- CN
- China
- Prior art keywords
- elastic band
- platen
- underpants
- pin hole
- sewing machine
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Abstract
The utility model discloses a kind of sewing machines, the sewing machine includes sewing machine body, the sewing machine body has platen, the lower section that sewing needle is corresponded on the platen is equipped with pin hole, the sewing machine body drives the sewing needle to move back and forth up and down to penetrating and extract the pin hole out, the front and back that the platen upper end is located at the pin hole is respectively equipped with a clamping positioning unit, the underpants is moved to from left to right to be covered on the platen, the elastic band is set in outside the underpants, and the elastic band and the underpants are respectively positioned on the lower section of the sewing needle, and pass through two clamping positioning units.Advantage: can limit the elastic band and the underpants, and then determine the relative position of the two, and the rate of tension of adjustable elastic band, time saving and energy saving.
Description
Technical field
The utility model belongs to underpants elastic band stitching process field, is related to a kind of sewing machine.
Background technique
Existing triangle underpants or quadrangle underpants can all sew elastic band on the waist of underpants, in sewing, elastic band
For annular, and there is certain width, underpants has been processed into as corresponding shape (annular), elastic band is set during sewing
In on underpants, elastic band and underpants are pushed while artificial continuous, and adjust position of the edge of elastic band on underpants simultaneously,
Both to ensure to keep relative position to determine during sewing, such operation is not only taken time and effort, moreover, and being easy to appear pine
Taut band deviates underpants, influences aesthetics and practicability；And the elasticity of elastic band is often fixed one kind, is not available for adjusting
It is whole.
Summary of the invention
To solve the above-mentioned problems, the purpose of this utility model is to provide a kind of pair of underpants and elastic band carry out limit and
The adjustable sewing machine of elastic band rate of tension.
To achieve the above object, the technical solution of the utility model is: a kind of sewing machine, including sewing machine body, described
Sewing machine body has platen, and the lower section that sewing needle correspond on the platen is equipped with pin hole, described in the sewing machine body drives
Sewing needle is moved back and forth up and down to penetrating and extracting out the pin hole, and the platen upper end is located at the front and back point of the pin hole
Not She You a clamping positioning unit, the underpants is moved to from left to right to be covered on the platen, and the elastic band is set in
Outside the underpants, and the elastic band and the underpants are respectively positioned on the lower section of the sewing needle, and pass through two clampings
Positioning unit, two clamping positioning units respectively to will be located at the pin hole front and rear sides the underpants and the pine
Taut band is limited；The front and back that the platen lower end is located at the pin hole further respectively has a stretching unit, and two
The stretching unit is respectively to strut the elastic band and adjust the elasticity of the elastic band.
Further, each clamping positioning unit include the first locating piece and the second locating piece, two described second
Locating piece is the square plate for being horizontally arranged at the upper end of the platen along the longitudinal direction, and is located at the front side of the pin hole
And rear side, and the right side of the pin hole is flushed and is respectively positioned on the left of two second locating pieces；Two first positioning
Part is respectively horizontally set on the square plate above corresponding second locating piece, two first locating pieces along the longitudinal direction
Left side extend respectively to protrude from the left side of corresponding second locating piece and be folded upward at as L shape, and two described
The right side wall of positioning piece bending part flushes, and the pin hole is located at the right side wall and described of the first locating piece bending part
Between the left side of two locating pieces, the elastic band is located at the position above the platen and bypasses the upper of two first locating pieces
Side, and its left side is bonded with the right side wall of two the first locating piece bending parts, the underpants is located above the platen
Position is located at below two first locating pieces, and its right side is bonded with the left side of two second locating pieces.
Further, each stretching unit includes sliding part and tensioning shaft, and two sliding parts install institute respectively
The front and back side of platen lower end is stated, two tensioning shafts are horizontally disposed in left-right direction respectively, and two tensioning shafts is same
One end is rotatably installed in respectively on two sliding parts, and the other end extends to the left side of the pin hole along a left side respectively, described
The position that elastic band is located at the lower end of the platen bypasses two tensioning shafts, and two sliding parts are slidably to mutual
It is close or be located remotely from each other with adjust two tensioning shafts between spacing distance so as to adjust the elastic band rate of tension.
Further, two stretching units further include an actuator respectively, and two actuators are installed respectively
On the correspondence sliding part, and it drives end to be sequentially connected respectively with the corresponding tensioning shaft.
Further, interval and coaxial two pieces of circular gears are equipped with along its length respectively on two tensioning shafts
Plate, the elastic band are located between two corresponding baffles with the contact position of two tensioning shafts.
Compared with prior art, the beneficial effects of the utility model are, the right side of two the first locating piece bending parts
Side arm forms limit to the left side of the elastic band, and the left side of two second locating pieces limits the underpants, by
This, when the elastic band and the underpants are sewed and connected, the relative position of the two is maintained for fixing；Secondly, two cunnings
Moving part is slidably extremely close to each other or is located remotely from each other to adjust the spacing distance between two tensioning shafts so as to adjust described
The rate of tension of elastic band, so that the rate of tension of the elastic band is adjustable；Finally, the actuator can drive the tensioning shaft to turn
It is dynamic, drive the elastic band to advance automatically, save trouble and labor.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of sewing machine described in the utility model embodiment；
Fig. 2 is the structural schematic diagram of sewing machine forward sight described in the utility model embodiment；
Fig. 3 is the enlarged structure schematic diagram in the portion sewing machine A described in the utility model embodiment；
Fig. 4 is the placement location structural schematic diagram of elastic band and the underpants described in the utility model embodiment.
In figure: 1 sewing machine body, 11 platens, 12 pin holes, 2 clamping positioning units, 21 first locating pieces, 22 second positioning
Part, 3 stretching units, 31 tensioning shafts, 32 sliding parts, 33 actuators, 34 baffles, 4 underpants, 5 elastic bands.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of sewing machine is present embodiments provided comprising sewing machine body 1, institute
Stating sewing machine body 1 has platen 11, and the lower section that sewing needle is corresponded on the platen 11 is equipped with pin hole 12, the sewing machine body
The 1 driving sewing needle is moved back and forth up and down to penetrating and extracting out the pin hole 12, which is existing conventional techniques means, no
It repeats again.
Further, the front and back that 11 upper end of platen is located at the pin hole 12 is respectively equipped with a clamping positioning
Unit 2, the underpants 4 is moved to from left to right to be covered on the platen 11, and the elastic band 5 is set in outside the underpants 4, and
The elastic band 5 and the underpants 4 are respectively positioned on the lower section of the sewing needle, and pass through two clamping positioning units 2, and two
A clamping positioning unit 2 respectively to will be located at 12 front and rear sides of pin hole the underpants 4 and the elastic band 5 into
Row limit；The front and back that 11 lower end of platen is located at the pin hole 12 further respectively has a stretching unit 3, two institutes
Stretching unit 3 is stated respectively to strut the elastic band 5 and adjust the elasticity of the elastic band 5.
Two clamping positioning units 2 limit the underpants 4 and the elastic band 5, to ensure the underpants 4
It is determined always relative position both in sewing with the elastic band 5, avoids the opposite position of artificial continuous adjustment between the two
It sets, not only time saving and energy saving but also raising aesthetics and practicability；The stretching unit 3 can adjust the elasticity of the elastic band 5, make it
Match the underpants 4 of plurality of specifications.
Further, each clamping positioning unit 2 includes the first locating piece 21 and the second locating piece 22, described in two
Second locating piece 22 is the square plate for being horizontally arranged at the upper end of the platen 11 along the longitudinal direction, and is located at the needle
The front side in hole 12 and rear side, and the left side of two second locating pieces 22 flushes and is respectively positioned on the right side of the pin hole 12；Two
A first locating piece 21 is respectively horizontally set on the square plate of corresponding second locating piece, 22 top along the longitudinal direction,
The left side of two first locating pieces 21 extends respectively to protrude from the left side of corresponding second locating piece 22 and upward
It is bent to L shape, and the right side wall of two 21 bending parts of the first locating piece flushes, and the pin hole 12 is located at described first and determines
Between the right side wall of position 21 bending part of part and the left side of second locating piece 22, the elastic band 5 is located above the platen
Position bypass the tops of two first locating pieces 21, and its left side and the right sides of two 21 bending parts of the first locating piece
Side wall fitting, the position that the underpants 4 is located at 11 top of platen is located at two 21 lower sections of the first locating piece, and it is right
Side is bonded with the left side of two second locating pieces 22.
It is limited it follows that second locating piece 22 forms the underpants 4, first locating piece 21 is to the pine
Taut band 5 forms limit, and the two relative position determines, and there is overlapping sewing region between the two, while the pin hole 12 is located at
The overlapping is sewed in region, and both the sewing needle can be sewed and connected the two.
Optionally, the left and right sides of two first locating pieces 21 extends respectively to protrude from corresponding second positioning
The left and right sides of part 22 is simultaneously folded upward at as U-shaped, and the left and right sidewall of two 21 bending parts of the first locating piece flushes, and described
Distinguish in-flanges in the U-shaped two side arms upper end of first locating piece 21.First locating piece 21 of U-shaped can limit the elastic band 5
Position above the platen 11 bypasses the top of two first locating pieces 21, is placed in first locating piece 21
In, and 5 left and right sides of the elastic band is bonded with the left and right sidewall of two 21 bending parts of the first locating piece, it can only be described
It is moved along the longitudinal direction in 21 in positioning piece.
Further, each stretching unit 3 includes sliding part 32 and tensioning shaft 31, and two sliding parts 32 are distinguished
The front and back side of 11 lower end of platen is installed, two tensioning shafts 31 are horizontally disposed in left-right direction respectively, and described in two
The same end of tensioning shaft 31 is rotatably installed in respectively on two sliding parts 32, and the other end extends to the needle along a left side respectively
The left side in hole 12, the position that the elastic band 5 is located at the lower end of the platen 11 bypass two tensioning shafts 31, two institutes
State sliding part 32 slidably to it is close to each other or be located remotely from each other with adjust two tensioning shafts 31 between spacing distance to
Adjust the rate of tension of the elastic band 5.
The rate of tension of the elastic band 5 can quickly adjust the underpants 4 of matching different size, while in quick comparison institute
Whether the elasticity for stating elastic band 5 matches with the underpants 4, improves the convenience of operation.
Further, two stretching units 3 further include an actuator 33 respectively, and two actuators 33 are distinguished
It is mounted on the corresponding sliding part 32, and it drives end to be sequentially connected respectively with the corresponding tensioning shaft 31.
Optionally, the actuator 33 is motor, the output shaft of each motor by shaft coupling with it is corresponding described
Tensioning shaft 31 connects, and tensioning shaft 31 described in the motor driven rotates, and then drives the institute being wound on two tensioning shafts 31
The rotation of elastic band 5 is stated,
Further, on two tensioning shafts 31 respectively along its length interval and it is coaxial be equipped with two pieces it is circular
Baffle 34, the elastic band 5 are located between two corresponding baffles 34 with the contact position of two tensioning shafts 31.
The right side of the left side baffle 34 is parallel with the right side wall of first locating piece 21, right side 34 basis of baffle
The width of the elastic band 5 determines its position, and the contact position of the elastic band 5 and two tensioning shafts 31 is located at two
Between the corresponding baffle 34, can avoid the elastic band 5 along the longitudinal direction move during on the tensioning shaft 5
Left and right offset occurs.
The working principle of the utility model are as follows: the elastic band 5 is located at the position above the platen around described in two
The top of first locating piece 21, and its left side is bonded with the right side wall of two 21 bending parts of the first locating piece, it is described elastic
The position for the lower end for being located at the platen 11 with 5 bypasses two tensioning shafts 31, and the underpants 4 is located on the platen 11
The position of side is located at two 21 lower sections of the first locating piece, and its right side and the left side of two second locating pieces 22 are pasted
It closes, the relative position of the elastic band 5 and the underpants 4 determines as a result, and two sliding parts 32 of sliding keep its close to each other
Or be located remotely from each other to the elastic band 5 and reach suitable rate of tension, then start the actuator 33, drives the elastic band 5
It constantly moves along the longitudinal direction, while manual synchronization conveys the underpants 4, it can be when being sewed, 5 He of elastic band
The underpants 4 remains that relative position determines.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (5)
1. a kind of sewing machine, to suture underpants (4) and elastic band (5) comprising sewing machine body (1), the sewing machine sheet
Body (1) has platen (11), and the lower section that sewing needle is corresponded on the platen (11) is equipped with pin hole (12), the sewing machine body
(1) sewing needle is driven to move back and forth up and down to penetrating and extract the pin hole (12) out, it is characterised in that: the platen (11)
The front and back that upper end is located at the pin hole (12) is respectively equipped with a clamping positioning unit (2), and the underpants (4) is by left-hand
Move right to covering on the platen (11), the elastic band (5) is set in the underpants (4) outside, and the elastic band (5) and
The underpants (4) is respectively positioned on the lower section of the sewing needle, and passes through two clamping positioning units (2), two cards
Tightening bit location (2) respectively to will be located at the pin hole (12) front and rear sides the underpants (4) and the elastic band (5) into
Row limit；The front and back that platen (11) lower end is located at the pin hole (12) further respectively has a stretching unit (3),
Two stretching units (3) elasticity to strut the elastic band (5) and adjust the elastic band (5) respectively.
2. sewing machine according to claim 1, it is characterised in that: each clamping positioning unit (2) includes first fixed
Position part (21) and the second locating piece (22), two second locating pieces (22) are to be horizontally arranged at described along the longitudinal direction
The square plate of the upper end of plate (11), and it is located at front side and the rear side of the pin hole (12), and two second locating pieces
(22) right side of the pin hole (12) is flushed and is respectively positioned on the left of；Two first locating pieces (21) are respectively along front and back
To the square plate being horizontally set on above corresponding second locating piece (22), the left side point of two first locating pieces (21)
The left side for protruding from corresponding second locating piece (22) is not extended to and is folded upward at as L shape, and two described first fixed
The right side wall of position part (21) bending part flushes, and the pin hole (12) is located at the right side wall of the first locating piece (21) bending part
Between the left side of second locating piece (22), the elastic band (5) is located at the position above the platen around two institutes
The top of the first locating piece (21) is stated, and its left side is bonded with the right side wall of two the first locating piece (21) bending parts, institute
Position that underpants (4) are located above the platen (11) is stated to be located at below two first locating pieces (21), and its right side with
The left side fitting of two second locating pieces (22).
3. sewing machine according to claim 2, it is characterised in that: each stretching unit (3) includes sliding part (32)
With tensioning shaft (31), two sliding parts (32) install the front and back side of the platen (11) lower end, two tensionings respectively
Axis (31) is horizontally disposed in left-right direction respectively, and the same end of two tensioning shafts (31) is rotatably installed in two institutes respectively
It states on sliding part (32), the other end extends to the left side of the pin hole (12) along a left side respectively, and the elastic band (5) is located at described
The position of the lower end of platen (11) bypasses two tensioning shafts (31), and two sliding parts (32) are slidably to mutually leaning on
It is close or be located remotely from each other tensioning to adjust the spacing distance between two tensioning shafts (31) so as to adjust the elastic band (5)
Degree.
4. sewing machine according to claim 3, it is characterised in that: two stretching units (3) further include one respectively
Actuator (33), two actuators (33) are separately mounted to correspond on the sliding part (32), and its drive end respectively with
Corresponding tensioning shaft (31) transmission connection.
5. sewing machine according to claim 4, it is characterised in that: square along its length respectively on two tensioning shafts (31)
To interval and coaxial it is equipped with two pieces of circular baffles (34), the contact of the elastic band (5) and two tensioning shafts (31)
Place is located between two corresponding baffles (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821709831.6U CN209194159U (en) | 2018-10-22 | 2018-10-22 | A kind of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821709831.6U CN209194159U (en) | 2018-10-22 | 2018-10-22 | A kind of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209194159U true CN209194159U (en) | 2019-08-02 |
Family
ID=67408703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821709831.6U Active CN209194159U (en) | 2018-10-22 | 2018-10-22 | A kind of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209194159U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112137220A (en) * | 2020-09-22 | 2020-12-29 | 广州高科制衣设备有限公司 | Underpants elastic band opens hot pressing equipment |
-
2018
- 2018-10-22 CN CN201821709831.6U patent/CN209194159U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112137220A (en) * | 2020-09-22 | 2020-12-29 | 广州高科制衣设备有限公司 | Underpants elastic band opens hot pressing equipment |
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