CN204803528U - Sewing machine's interior presser foot mechanism - Google Patents
Sewing machine's interior presser foot mechanism Download PDFInfo
- Publication number
- CN204803528U CN204803528U CN201520498165.6U CN201520498165U CN204803528U CN 204803528 U CN204803528 U CN 204803528U CN 201520498165 U CN201520498165 U CN 201520498165U CN 204803528 U CN204803528 U CN 204803528U
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- Prior art keywords
- presser foot
- presser feet
- interior presser
- drive source
- interior
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Abstract
The utility model relates to a sewing machine's interior presser foot mechanism has interior presser foot, link mechanism, wabbler mechanism, moving mechanism, first driving source, lifting mechanism and second driving source, wherein, link mechanism respectively with the mutual montage of interior presser foot, wabbler mechanism and moving mechanism, first driving source is connected in moving mechanism for the interior presser foot of adjustment is in the high position of upper and lower direction, the lifting device is connected in interior presser foot to with second driving source interconnect. The wabbler mechanism moves together with sewing needle periodically again to the presser foot produces the removal of upper and lower orientation in driving, and the second driving source is then rise to standby state on the presser foot in being used for driving. The utility model discloses with the altitude variation adjustment power of presser foot decline position in the independent load of first driving source, in addition with the lifting power of presser foot in the independent load of second driving source, use letting the load demand of two driving sources reduce, can select the driving element of less specification for use, effectively save the cost.
Description
Technical field
The utility model relates to a kind of interior presser foot device of Sewing machines, refers to a kind of interior presser foot device controlling interior presser feet knee-action, height and position and lifting action especially.
Background technology
During the stitching sewing machine of general use self-feeding, for preventing the friction between cloth and eedle, causing cloth rise together with eedle and produce bouncing pilotage, usually all can be equiped with presser foot device in and pushing down cloth.
In general, presser foot device is when eedle declines, once contact with cloth bottom interior presser feet, then in, presser feet again along with eedle continues to decline, and can not maintain the state pushing down cloth by elastic force; And when the eedle running through cloth starts to rise, make interior presser feet present a pressed status by elastic force equally, allow cloth can be subject to the pressure holding of interior presser feet, until eedle has risen to hook line or after leaving cloth, interior presser feet carries out upward stroke along with eedle again, so that moving cloth.But be the difference in thickness produced in response to various cloth or laminated number, interior presser feet describedly periodically to move up and down except having, and also needs the function with the upper and lower stroke height and position of adjustable.And when the work of making completes, interior presser feet then needs to be raised to higher position, become in taking-up cloth and fixture.
Refer to shown in Fig. 1 to Fig. 3, the interior presser foot device 10 of one known Sewing machines to have in one in presser feet 11, in presser feet head motion 12, presser feet travel mechanism 15, lift drive mechanism 16 in presser feet link component 13, guiding elements 14, wherein, described interior presser feet link component 13 is configured between described interior presser feet 11 and interior presser feet travel mechanism 15, and is made up of the connecting rod 131,132 of two serial connections; The upper end of described guiding elements 14 can be installed in turn the headstock framework of Sewing machines, and bottom is then formed with the elongated hole 141 of a vertical direction, and the joint portion 133 between described two connecting rods 131,132 is slidably mounted in described elongated hole 141; Described 15, interior presser feet travel mechanism is connected between described guiding elements 14 and a drive source 17, be subject to described drive source 17 to drive, the elongated hole 141 ordering about described guiding elements 14 drives joint portion 133 to move horizontally, and change the arrangement angle of described two connecting rods 131,132, thus change the height and position of interior presser feet 11.
In addition, described lift drive mechanism 16 is through the mutual occlusion of two helical gears 151,161, be connected to described interior presser feet travel mechanism 15, and described helical gear 161 is installed on a driving shaft 162, and described driving shaft 162 back segment is connected with a lifter cam 163, the power that described lifter cam 163 transmits by described drive source 17 is made to produce rotary motion, and the outer peripheral face of described lifter cam 163 is connected to the roller 165 of presser feet rising component 164 one end in, and described interior presser feet rising component 164 is comparatively connected with a tension spring 166 in top position.This mechanism design object is make the power that the height and position of described interior presser feet adjusts and lifting position drives share same drive source 17.
Summary of the invention
Main purpose of the present utility model is to provide a kind of interior presser foot device with two drive sources, wherein in a drive source load presser feet at the height change motivation of adjustment of down position, in another drive source load, presser feet returns the lifting power of lifting position, use the loading demand of reduction by two drive source, can select and effectively save cost of manufacture compared with the driving element of small dimension, and the holding state of interior presser feet lifting position also can the amount of saving energy.
For reaching described object, the interior presser foot device of a kind of Sewing machines of the utility model comprises presser feet in, a linkage, a wabbler mechanism, a travel mechanism, one first drive source, a lifting mechanism and one second drive source; Described interior presser feet is in order to push down a sewing object, the eedle of described wabbler mechanism and Sewing machines is with moving periodically, described linkage is interconnected with described interior presser feet and wabbler mechanism respectively again, and described travel mechanism is also connected to described linkage, and is connected with described first drive source; In addition, described lifting mechanism is connected to described interior presser feet, and described second drive source is connected to described lifting mechanism.
Wherein, described wabbler mechanism in order to drive described interior presser feet produce upper and lower to movement, described first drive source in order to adjust described interior presser feet upper and lower to height and position, and described second drive source rises to the retreating position of reset condition in order to drive described interior presser feet, interior presser feet so can be allowed to have the function periodically moving up and down and have the upper and lower stroke position height of adjustable simultaneously.
The utility model lifting mechanism includes a connecting rod, a rising arm and an elastic component.Described connecting rod is connected to described second drive source; The framework that described rising arm is hubbed at Sewing machines forms one first side and one second side, and described first side is connected to described interior presser feet, and described second side is installed on described connecting rod; The framework of described Sewing machines is fixed in described elastic component one end, and another opposite end is connected to the second side of described rising arm.
Wherein, described connecting rod is provided with one along upper and lower to the long slot bore extended, and the second side of described rising arm is provided with the rod guidance part and one and the spring extension portion that connects of described elastic component group of two correspondences, between described two rod guidance parts, a roller is installed, and described roller installs the long slot bore inside being located in described connecting rod.
In a preferred embodiment, described first drive source is set to a motor, and described second drive source is set to a pneumatic cylinder again, so can under the holding state of interior presser feet lifting position the amount of saving energy.
The utility model linkage includes one first connector and one second connector, described first connector has one first group connecting part, one second group connecting part and one the 3rd group connecting part, described first group connecting part and wabbler mechanism are interconnected, and described second group connecting part and travel mechanism are interconnected; And described second connector one end is connected to the 3rd group connecting part of described first connector, another opposite end is connected to described interior presser feet.
Feature of the present utility model be interior presser foot device through coordinate the wabbler mechanism of the upper synchronous start of axle to drive interior presser feet produce upper and lower to movement, and interior presser feet is in the adjustment of upper and lower to height and position, driven by the stepper motor of the first drive source, finally interior presser feet 25 can be driven to rise to the retreating position of holding state with another second drive source again, so can reduce the loading demand of two drive sources, allow drive source can select driving element compared with small dimension size, effectively save cost of manufacture.
Accompanying drawing explanation
Fig. 1 is the stereogram that known interior presser foot device is installed on Sewing machines headstock;
Fig. 2 is the exploded view of presser foot device in Fig. 1;
Fig. 3 is the exploded view of Fig. 2 lifting mechanism;
Fig. 4 is the stereogram that in the utility model Sewing machines, presser foot device is installed on Sewing machines headstock;
Fig. 5 is the stereogram of presser foot device in the utility model;
Fig. 6 is the exploded view that the utility model disassembles as wabbler mechanism, travel mechanism, interior presser feet, linkage, the first drive source, lifting mechanism and the second drive source;
Fig. 7 is the exploded view of Fig. 6 wabbler mechanism;
Fig. 8 is the side view of Fig. 6 linkage;
Fig. 9 is the exploded view of Fig. 6 lifting mechanism;
Figure 10 is the schematic diagram that in the utility model, presser foot device is subject to travel mechanism's drive;
Figure 11 is the action schematic diagram of presser feet displacement in the utility model wabbler mechanism drives to lower swing;
Figure 12 is the schematic diagram that in the utility model, presser foot device is subject to lifting mechanism drive.
Description of reference numerals: presser foot device in 10-; Presser feet in 11-; Presser feet head motion in 12-; Presser feet link component in 13-; 131-connecting rod; 132-connecting rod; 133-joint portion; 14-guiding elements; 141-elongated hole; Presser feet travel mechanism in 15-; 151-helical gear; 16-lift drive mechanism; 161-helical gear; 162-driving shaft; 163-lifter cam; Presser feet rising component in 164-; 165-roller; 166-tension spring; 17-drive source; Presser foot device in 20-; 21-wabbler mechanism; 211-axis of rocking; 212-adjusts arm; 211a-groove; 213-first rod member; 214-second rod member; 215-regulates rod member; 215a-first hook portion; 216-fulcrum; 217-spring part; 218-second hook portion; 22-linkage; 221-first connector; 221a-first group connecting part; 221b-second group connecting part; 221c-the 3rd group connecting part; 222-second connector; 23-travel mechanism; 231-mobile link; 232-eccentric wheel; 233-shaft member; 234-joint group; 24-first drive source; 241-stepper motor; 242-encoder; Presser feet in 25-; 251-installing plate; 252-depression bar connector; 253-depression bar; 254-presser feet; 26-lifting mechanism; 261-rising arm; 261a-first side; 261b-second side; 261c-lower arm part; 261d-upper arm parts; 261e-spring extension portion; 261f-rod guidance part; 261g-roller; 262-elastic component; 263-connecting rod; 263a-long slot bore; 264-axle sleeve; 27-second drive source; 271-pneumatic cylinder; 272-axostylus axostyle; 30-headstock; 31-crank axle; 32-needle bar; 33-brace table; 34-gripper shoe; 35-primary importance; The 36-second place; 37-bottom position; 38-retreating position.
Detailed description of the invention
Hereby for ease of the understanding that further has darker one deck clear and definite, full and accurate to structure of the present utility model, use and feature thereof and understanding, preferred embodiment is enumerated in whence, coordinates diagram to be described in detail as follows:
Refer to shown in Fig. 4 and Fig. 5, in the utility model, presser foot device 20 is mainly arranged on headstock 30 front position of Sewing machines, and coordinate with the upper axle (not shown) of Sewing machines and install, enable described upper axle drive one with presser foot device 20 in the needle bar 32 of eedle and this creation simultaneously.
The leading section hyte of described upper axle connects a crank axle 31 and coordinates a connecting rod to be connected with described needle bar 32, and the position, stage casing of described upper axle is then installed with the wabbler mechanism 21 that an eccentric cam (not shown) drives described interior presser foot device 20 above-below direction amount of movement.
Refer to shown in Fig. 5 and Fig. 6, in the utility model, presser foot device 20 includes presser feet 25, lifting mechanism 26 and one second drive source 27 in wabbler mechanism 21, linkage 22, travel mechanism 23,1 first drive source 24.
Wherein, as shown in FIG. 6 and 7, the utility model wabbler mechanism 21 has an axis of rocking 211, described axis of rocking 211 one end is connected to the swing arm promoting the reciprocal shake produced by described eccentric cam, the other end is then assembled in the adjustment arm 212 that is formed with arc-curved shape groove 212a, and in groove 212a by described adjustment arm 212, rotatable first rod member 213 is installed, described first rod member 213 other end is then rotatably be installed on one second rod member 214 central authorities, described second rod member 214 one end is connected with a linkage 22, the other end is then the one end being connected to an adjustment rod member 215, and the blocking part (not shown) coordinating described adjustment rod member 215 to be jointly resisted against sewing machine case to be formed, the central authorities of described adjustment rod member 215 are rotatably arranged on the casing of Sewing machines through a fulcrum 216, the other end then forms one first hook portion 215a and installs a spring part 217, described spring part 217 other end is installed in one second hook portion 218 of the casing being fixed on Sewing machines.
Refer to shown in Fig. 6, the utility model linkage 22 is made up of one first connector 221 and one second connector 222, described first connector 221 has one first group connecting part 221a, one second group connecting part 221b and the 3rd group connecting part 221c, described first group connecting part 221a is connected with described second rod member 214, and described second group connecting part 221b is then interconnected with a travel mechanism 23; Described second connector 222 one end is connected to the 3rd group connecting part 221c of described first connector 221 again, and another opposite end is then connected to presser feet 25 in.
Described first connector 221 is set to a L shape rod member, described second group connecting part 221b and described 3rd group connecting part 221c is arranged at two opposed ends of described L shape rod member respectively, described first group connecting part 221a is arranged at a turning point of described L shape rod member, makes described first group connecting part 221a between described second group connecting part 221b and described 3rd group connecting part 221c.
As shown in Figure 8, described second group connecting part 221b is different from the thickness of described 3rd group connecting part 221c, causes described travel mechanism 23 to lay respectively at different vertical plane position from described second connector 222.Allow described wabbler mechanism 21, travel mechanism 23 and interior presser feet 25 be positioned at the link position of different vertical by this, the situation avoiding different actuating length to have interfering with each other occurs.
Separately, consult shown in Fig. 5 and Fig. 6, the utility model travel mechanism 23 is provided with one towards the mobile link 231 of described second group connecting part 221b direction movement, and connect an eccentric wheel 232 by described mobile link 231 other end, described eccentric wheel 232 is arranged on shaft member 233 one end, and described shaft member 233 other end is then installed a joint group 234 and is interconnected with described first drive source 24.
The utility model first drive source 24 is installed on a brace table 33 of Sewing machines, and in a graphic preferred embodiment, described first drive source 24 is set to a stepper motor 241, and installs an encoder 242 in described stepper motor 241 rear.
Shown in Fig. 6, in the utility model, presser feet 25 is provided with an installing plate 251 assembled with described second connector 222, and connect a depression bar connector 252 by described installing plate 251, and described depression bar connector 252 is provided with a depression bar 253 extended along upper and lower vertical direction, assemble one bottom described depression bar 253 by the presser feet 254 of cloth presser on needle plate.
Refer to shown in Fig. 9, the utility model lifting apparatus 26 has a rising arm 261, one elastic component 262 and a connecting rod 263, described rising arm 261 central authorities are hubbed at framework one place of Sewing machines with an axle sleeve 264, and distinguish formation one first side 261a and one second side 261b with pivot points, described first side 261a extends obliquely and is resisted against the bottom of the installing plate 251 of described interior presser feet 25, described second side 261b then upwards extends and a formation one lower arm part 261c and upper arm parts 261d that diverges, the lower arm part 261c of described second side 261b is provided with described elastic component 262, and described elastic component 262 one end is positioned the spring extension portion 261e that described lower arm part 261c is formed, the other end is then fixed on framework one place of Sewing machines.In addition, described upper arm parts 261d is formed with two intervals and arranges the rod guidance part 261f established, and between described two rod guidance part 261f, a roller 261g is installed, and described connecting rod 263 one end is provided with one along upper and lower to the long slot bore 263a extended, make described roller 261g installation be placed in the long slot bore 263a inside of described connecting rod 263, then mutual group connects described connecting rod 263 other end with described second drive source 27.
Shown in Fig. 6 and Figure 12, the utility model second drive source 27 is installed in a gripper shoe 34 of Sewing machines, in a graphic preferred embodiment, described second drive source 27 is set to a pneumatic cylinder 271, moves between the primary importance 35 causing the axostylus axostyle 272 of described pneumatic cylinder 271 can retract one and a second place of stretching out 36.
Refer to shown in Figure 10, the interior presser foot device 20 of this creation orders about described shaft member 233 through motor and drives described eccentric wheel 232 to rotate, and makes described mobile link 231 carry out traversing action towards the second group connecting part 221b direction of described first connector 221.Now, suppose that described wabbler mechanism 21 does not carry out any action and remains static, described first connector 221 will with described first group connecting part 221a for fulcrum starts to turn clockwise, and the 3rd group connecting part 221c of described first connector 221 will synchronously turn clockwise, the vertical height position of described 3rd group connecting part 221c is thus made to raise.By this, described second connector 222 will, along above-below direction vertically movement, cause described depression bar 253 synchronously to move to top along above-below direction.The interval height between described presser feet 254 and needle plate can be increased by this.
Refer to shown in Figure 11, in this creation, presser foot device 20 drives described eccentric cam to rotate through described upper axle, cause the axis of rocking 211 and then shake of described wabbler mechanism 21, when described adjustment arm 212 follow axis of rocking 211 shake clockwise time, the movement that described first rod member 213 will carry out in downward direction, and the left end of described second rod member 214 is because being subject to pulling and supporting of described adjustment rod member 215 and spring part 217, the right-hand member of described second rod member 214 will carry out clockwise beat using left end as fulcrum, use and drive described linkage 22 to move down, restriction because being subject to described travel mechanism 23 is maintained an anglec of rotation by the first connector 221 of described linkage 22, and the second connector 222 of described linkage 22 will be subject to drive generation one displacement in downward direction of the first connector 221, described interior presser feet 25 so can be allowed to coordinate the downward displacement of needle bar 32 to move down until cloth to be resisted against the position of needle plate.
From aforementioned activities mode, the first group connecting part 221a that this creation wabbler mechanism 21 can order about described first connector 221 moves along a vertical above-below direction, and the 3rd group connecting part 221c of described first connector 221 synchronously carries out vertical above-below direction move ordering about described second connector 222.
Refer to shown in Figure 12, the lifting mechanism 26 of presser foot device 20 to stretch the effect of the second side 261b because being subject to described elastic component 262 in this creation, the first side 261a of described rising arm 261 is caused to be positioned at a bottom position 37, and the axostylus axostyle 272 of described pneumatic cylinder 271 will be positioned at the described second place 36, when the switching of described pneumatic cylinder 271 order about described axostylus axostyle 272 move to primary importance 35 by the described second place 36 time, generation one is greater than the active force that described elastic component 262 acts on described first side 261a by the second side 261b of described rising arm 261, cause the extension elongation of described elastic component 262, and the first side 261a of described rising arm 261 will by described bottom position pivotable being lifted to a retreating position 38, the installing plate 251 of described interior presser feet 25 so can be allowed synchronously to be subject to supporting lifting.
In sum, the utility model through wabbler mechanism 21 drive described interior presser feet 25 produce upper and lower to movement, and adjust the stroke height of described interior presser feet 25 at down position with the first drive source 24, and described interior presser feet 25 is driven to rise to the retreating position 38 of holding state through described second drive source 27.
More than illustrate the utility model just illustrative; and nonrestrictive, those of ordinary skill in the art understand, when not departing from the spirit and scope that claim limits; many amendments, change or equivalence can be made, but all will fall within protection domain of the present utility model.
Claims (4)
1. an interior presser foot device for Sewing machines, is characterized in that comprising:
Presser feet in one, in order to push down a sewing object;
One linkage, is connected to described interior presser feet;
One wabbler mechanism, moves periodically with the eedle of Sewing machines is same, and is interconnected with described linkage;
One travel mechanism, is connected to described linkage;
One first drive source, is connected to described travel mechanism;
One lifting mechanism, is connected to described interior presser feet; And
One second drive source, is connected to described lifting mechanism;
Wherein, described wabbler mechanism in order to drive described interior presser feet produce upper and lower to movement, described first drive source in order to adjust described interior presser feet upper and lower to height and position, and described second drive source rises to the retreating position of reset condition in order to drive described interior presser feet.
2. the interior presser foot device of Sewing machines according to claim 1, is characterized in that: described first drive source is a motor, and described second drive source is a pneumatic cylinder.
3. the interior presser foot device of Sewing machines according to claim 1, is characterized in that: described lifting mechanism comprises:
One connecting rod, is assembled in described second drive source;
One rising arm, the framework being hubbed at Sewing machines forms one first side and one second side, and described first side is adjacent to described interior presser feet, and described second side is installed on described connecting rod; And
One elastic component, the framework of described Sewing machines is fixed in one end, and another opposite end is connected to the second side of described rising arm.
4. the interior presser foot device of Sewing machines according to claim 3, it is characterized in that: described connecting rod is provided with one along upper and lower to the long slot bore extended, and the second side of described rising arm is provided with the rod guidance part and one and the spring extension portion that connects of described elastic component group of two correspondences, between described two rod guidance parts, a roller is installed, and described roller installs the long slot bore inside being located in described connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520498165.6U CN204803528U (en) | 2015-07-10 | 2015-07-10 | Sewing machine's interior presser foot mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520498165.6U CN204803528U (en) | 2015-07-10 | 2015-07-10 | Sewing machine's interior presser foot mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204803528U true CN204803528U (en) | 2015-11-25 |
Family
ID=54588377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520498165.6U Expired - Fee Related CN204803528U (en) | 2015-07-10 | 2015-07-10 | Sewing machine's interior presser foot mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204803528U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106192229A (en) * | 2016-09-26 | 2016-12-07 | 浙江中捷缝纫科技有限公司 | A kind of regulation presser feet height devices of sewing machine |
| CN106377003A (en) * | 2016-11-10 | 2017-02-08 | 际华三五三四制衣有限公司 | Lining cap sewing machine |
| CN106637709A (en) * | 2016-12-01 | 2017-05-10 | 上海金勺投资有限公司 | Middle presser foot mechanism and sewing machine |
| CN108422469A (en) * | 2017-02-15 | 2018-08-21 | 罗兰Dg有限公司 | Transaction machine |
| CN108422470A (en) * | 2017-02-15 | 2018-08-21 | 罗兰Dg有限公司 | Transaction machine |
| CN109487447A (en) * | 2017-09-11 | 2019-03-19 | 启翔股份有限公司 | Interior presser foot device |
-
2015
- 2015-07-10 CN CN201520498165.6U patent/CN204803528U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106192229A (en) * | 2016-09-26 | 2016-12-07 | 浙江中捷缝纫科技有限公司 | A kind of regulation presser feet height devices of sewing machine |
| CN106192229B (en) * | 2016-09-26 | 2022-06-28 | 浙江中捷缝纫科技有限公司 | Presser foot height adjusting device of sewing machine |
| CN106377003A (en) * | 2016-11-10 | 2017-02-08 | 际华三五三四制衣有限公司 | Lining cap sewing machine |
| CN106377003B (en) * | 2016-11-10 | 2023-08-08 | 际华三五三四制衣有限公司 | Lining cap inserting machine |
| CN106637709A (en) * | 2016-12-01 | 2017-05-10 | 上海金勺投资有限公司 | Middle presser foot mechanism and sewing machine |
| CN108422469A (en) * | 2017-02-15 | 2018-08-21 | 罗兰Dg有限公司 | Transaction machine |
| CN108422470A (en) * | 2017-02-15 | 2018-08-21 | 罗兰Dg有限公司 | Transaction machine |
| CN109487447A (en) * | 2017-09-11 | 2019-03-19 | 启翔股份有限公司 | Interior presser foot device |
| CN109487447B (en) * | 2017-09-11 | 2021-12-28 | 启翔股份有限公司 | Inner presser foot mechanism |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 |