CN211665316U - Hemming machine follow-up presser foot mechanism - Google Patents
Hemming machine follow-up presser foot mechanism Download PDFInfo
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- CN211665316U CN211665316U CN201922242577.4U CN201922242577U CN211665316U CN 211665316 U CN211665316 U CN 211665316U CN 201922242577 U CN201922242577 U CN 201922242577U CN 211665316 U CN211665316 U CN 211665316U
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- presser foot
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- shaft
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Abstract
The utility model relates to a sewing machine field, concretely relates to hemming machine follow-up presser foot mechanism. The automatic feeding device aims to solve the problems of sewing material positioning deviation caused by cloth compaction of a common presser foot under the automatic feeding condition and the occurrence of the conditions of needle breakage and the like caused by the fact that a needle thread takes up the cloth without the presser foot. The technical proposal adopted by the utility model is that the device comprises a presser foot lifting mechanism, a presser foot positioning shaft, a presser foot frame and a presser foot component; the presser foot lifting mechanism is connected to the upper shaft crank through a pin and drives the upper shaft crank to swing through the rotation of the main shaft, so that the presser foot lifting mechanism is driven to move; the presser foot positioning shaft is fixedly connected on the machine shell; the presser foot frame is connected to the presser foot positioning shaft through a pressing screw, a gasket and a roller pin and is connected with the presser foot lifting mechanism; the presser foot component is fixedly connected on the presser foot frame.
Description
Technical Field
The utility model relates to a sewing machine field, concretely relates to hemming machine follow-up presser foot mechanism.
Background
The presser foot of the common overedger on the market at present presses the pressing rod by virtue of the spring, and then presses the presser foot on the sewing material for sewing, but under the condition of automatic feeding, when the common presser foot feeds, the presser foot also presses the sewing material, the sewing material cannot move along with the movement of the feeding mechanism, the deviation of the automatic equipment for positioning the sewing material can occur, so that the sewing track of the sewing material is changed, the condition that the sewing material is cut or the sewing material is not sewn can be generated, if the deviation does not occur in order to feed, the presser foot needs to be detached, so that the sewing material cannot be compacted, the sewing material is easily lifted when a machine needle rises, the sewing material does not fall out of the machine needle when the feeding is started for the second time, the sewing material breaks the machine needle, and the like, and the use requirements cannot be met.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model discloses a solve under the automatic pay-off condition the ordinary presser foot with the cloth compaction seam material positioning deviation that leads to and when there is not the presser foot, the problem of the emergence of the condition such as broken needle that the needle thread took up the cloth material and lead to provides a hemming machine follow-up presser foot mechanism.
For solving the problems existing in the prior art, the technical scheme of the utility model is that: the utility model provides a hemming machine follow-up presser foot mechanism which characterized in that: the clamp spring pressing device comprises a clamp spring, a clamp spring positioning washer, a presser foot lifting crank, a presser foot lifting adjusting crank, a presser foot lifting shaft, a presser foot lifting chute, a presser foot frame and a presser foot assembly;
one end of the clamp spring is clamped in a clamp spring groove of the clamp spring positioning washer, and the clamp spring positioning washer is fixedly connected with one end of the presser foot positioning shaft; the cam end of the presser foot positioning shaft is connected with one end of a presser foot lifting frame, the other end of the presser foot frame is arranged in a presser foot lifting sliding groove in a sliding manner, the presser foot lifting sliding groove is hinged to the cam end of the presser foot lifting shaft, the other end of the presser foot lifting shaft is fixedly provided with a presser foot lifting crank, a presser foot lifting adjusting crank is sleeved on the presser foot lifting shaft at the inner side of the presser foot lifting crank, the other end of the clamp spring connects the presser foot lifting adjusting crank with the presser foot lifting crank, a connecting lug of the presser foot lifting adjusting crank is provided with an adjusting screw, and the adjusting screw is arranged on a swinging; the presser foot component is fixedly arranged at one end of the presser foot frame;
the waist-shaped hole of the pressure raising and pressing foot adjusting crank is internally provided with a sliding block nut, a connecting sleeve, a screw and a gasket, one end of a pressure raising and pressing foot connecting rod is sleeved on the connecting sleeve, the other end of the pressure raising and pressing foot connecting rod penetrates through a pressure raising and pressing foot connecting rod pin and is connected with the swinging end of an upper shaft crank through the pressure raising and pressing foot connecting rod, the upper shaft crank is fixedly arranged on an upper shaft through the screw, the other end of the upper shaft is hinged with a needle rod crank, and a machine.
Further, the presser foot frame is fixedly connected with the presser foot positioning shaft through a compression screw, and a roller and a gasket are sleeved on the compression screw.
Further, the presser foot assembly comprises a presser foot bracket, a presser foot bottom plate and a presser foot spring; the pressure foot bottom plate is connected to the pressure foot bracket through a pin, one end of the pressure foot spring is fixedly connected to the pressure foot bracket, the other end of the pressure foot spring is pressed at the upper end of the front part of the pressure foot bottom plate, and the pressure foot bracket is connected with the pressure foot frame.
Furthermore, a locking nut is arranged between the adjusting screw and the connecting lug of the pressure raising and pressing foot adjusting crank.
Further, the presser foot lifting chute is hinged on the presser foot lifting shaft through a pin and a gasket.
Compared with the prior art, the utility model has the advantages as follows:
the utility model discloses because of lifting presser foot adjustment crank through lifting the presser foot connecting rod and lifting presser foot connecting rod round pin and upper shaft crank connection, the event is made the in-process, the main shaft drives the upper shaft crank swing, promote to lift presser foot adjustment crank around lifting presser foot axle and rotate, promote to link firmly lifting presser foot crank lifting the presser foot epaxial, make to lift presser foot axle and rotate, thereby make the presser foot subassembly of installing on the presser foot arm can follow the up-and-down motion of eedle, when guaranteeing that the eedle does not break away from the seam material, the presser foot can be with the seam material compaction, the eedle breaks away from the seam material, when feeding mechanism begins the pay-off, the presser foot can lift up at.
Drawings
Fig. 1 is an exploded view of the structure of the present invention;
FIG. 2 is a combination view of the usage status of the present invention;
description of reference numerals: 1: a clamp spring; 2: a clamp spring positioning washer; 3: lifting a presser foot crank; 4: a slider nut; 5: lifting a presser foot adjusting crank; 6: locking the nut; 7: adjusting the screw; 8: connecting sleeves; 9: lifting a presser foot connecting rod; 10: a screw; 11: a gasket; 12: lifting a presser foot connecting rod pin; 13: lifting the presser foot shaft; 14: a presser foot lifting chute; 15: a foot pressing frame; 16: a presser foot bracket; 17: a presser foot base plate; 18: a pin; 19: a presser foot spring; 20: a compression screw; 21: a gasket; 22: a roller; 23: a presser foot positioning shaft; 24: a gasket; 25: a pin; 26, an upper shaft crank; 27: an upper shaft, 28: needle bar crank, 29: a main shaft.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment provides a servo presser foot mechanism of a overedger, as shown in fig. 1 and fig. 2, comprising a snap spring 1, a snap spring positioning washer 2, a presser foot lifting crank 3, a slider nut 4, a presser foot lifting adjusting crank 5, a lock nut 6, an adjusting screw 7, a connecting sleeve 8, a presser foot lifting connecting rod 9, a screw 10, a washer 11, a presser foot lifting connecting rod pin 12, a presser foot lifting shaft 13, a presser foot lifting chute 14, a presser foot frame 15, a presser foot bracket 16, a presser foot bottom plate 17, a pin 18, a presser foot spring 19, a compression screw 20, a gasket 21, a roller 22, a presser foot positioning shaft 23, a gasket 24, a pin 25, an upper shaft crank 26, an upper shaft 27, a needle rod crank 28, a main shaft 29 and a;
one end of the clamp spring 1 is clamped in a clamp spring groove of the clamp spring positioning washer 2, and the clamp spring positioning washer 2 is fixedly connected to one end of the presser foot positioning shaft 23; the cam end of the presser foot positioning shaft 23 is fixedly connected with one end of a presser foot frame 15 through a compression screw 20, the compression screw 20 is sleeved with a roller 22 and a gasket 21, the other end of the presser foot frame 15 is arranged in a presser foot lifting sliding groove 14 in a sliding manner, the presser foot lifting sliding groove 14 is hinged to the cam end of a presser foot lifting shaft 13 through a pin 25 and a gasket 24, the other end of the presser foot lifting shaft 13 is fixedly provided with a presser foot lifting crank 3, the inner side of the presser foot lifting crank 3 is sleeved with a presser foot lifting adjusting crank 5, the other end of the clamp spring 1 connects the presser foot lifting adjusting crank 5 with the presser foot lifting crank 3, a connecting lug of the presser foot lifting adjusting crank 5 is provided with an adjusting screw 7, a locking nut 6 is arranged between the adjusting screw 7 and the connecting lug of the presser foot lifting adjusting crank 5, and the adjusting screw; the presser foot component B is fixedly arranged at one end of the presser foot frame 15;
the waist-shaped hole of the pressure raising and pressing foot adjusting crank 5 passes through the sliding block nut 4, the connecting sleeve 8, the screw 10 and the gasket 11, one end of a pressure raising and pressing foot connecting rod 9 is sleeved on the connecting sleeve 8, the other end of the pressure raising and pressing foot connecting rod 9 penetrates through the pressure raising and pressing foot connecting rod pin 12 and is connected with the swinging end of the upper shaft crank 26 through the pressure raising and pressing foot connecting rod 12, the upper shaft crank 26 is fixedly arranged on the upper shaft 27 through a bolt, the other end of the upper shaft 27 is hinged with a needle rod crank 28, and the needle rod.
The presser foot component B comprises a presser foot bracket 16, a presser foot bottom plate 17 and a presser foot spring 19; the presser foot bottom plate 17 is connected to the presser foot bracket 16 through a pin 18, one end of a presser foot spring 19 is fixedly connected to the presser foot bracket 16, the other end of the presser foot spring is pressed on the upper end of the front part of the presser foot bottom plate 17, and the presser foot bracket 16 is connected with the presser foot frame 15.
The function of the clamp spring 1 is as follows: the crank 3 for resetting and lifting the presser foot;
the snap spring positioning washer 2 has the following functions: the clamp spring 1 is prevented from swinging in the movement process;
the presser foot positioning shaft 23 functions as follows: used for positioning the front and back positions of the presser foot component B and the needle;
the adjusting screw 7 functions as follows: the lifting time of the presser foot component B is adjusted to ensure that the presser foot component B always presses on the sewing material before the needle is not separated from the sewing material, so that the sewing material is prevented from being brought up by needle threads;
the pressure foot lifting adjusting crank 5 has the following functions: the presser foot lifting adjusting crank 5 is provided with a chute, and the up-and-down movement stroke amount of the presser foot component B is adjusted by adjusting the fixed positions of the presser foot lifting connecting rod 9 and the presser foot lifting adjusting crank 5;
the presser spring 19 functions as: for pressing the presser foot base plate 17 to prevent tilting due to inertia during movement.
The utility model discloses a working process: when the main shaft 29 rotates, the upper shaft crank 26 is driven to swing, the pressure raising and pressing foot connecting rod 9 positioned on the upper shaft crank through the pressure raising and pressing foot connecting rod pin 12 pushes the pressure raising and pressing foot lifting adjusting crank 5 to swing around the pressure raising and pressing foot shaft 13, the adjusting screw 7 fixedly connected to the pressure raising and pressing foot lifting adjusting crank 5 is pressed against the pressure raising and pressing foot lifting crank 3, the pressure raising and pressing foot shaft 13 fixedly connected with the pressure raising and pressing foot lifting crank 3 is pushed to swing, the pressure raising and pressing foot lifting chute 14 is driven to do circular arc motion around the eccentricity of the pressure raising and pressing foot shaft 13, one end of the pressure foot frame 15 is connected with the pressure foot positioning shaft 23 fixedly connected with the machine shell, the other end of the pressure foot lifting and pressing foot frame 15 is arranged in the pressure raising and pressing foot lifting chute 14, the pressure foot frame 15 is driven to slide and swing around the pressure foot positioning shaft 23 while doing up-and down motion, the pressure foot lifting and pressing foot adjusting, therefore, when the needle is lifted, if the adjusting screw 7 and the presser foot lifting crank 3 have a certain gap, the motion time for pushing the presser foot lifting crank 3 lags, and the corresponding lifting time of the presser foot component B lags the lifting time of the needle rod.
When the sewing is started or in the process, the presser foot component B is lifted if needed, and because the presser foot lifting adjusting crank 5 is not fixedly connected with the presser foot lifting shaft 13, but pushes the presser foot lifting crank 3 fixedly connected with the presser foot lifting shaft 13 through the adjusting screw 7, the presser foot component B is independently lifted, the presser foot lifting shaft 13 rotates anticlockwise, the presser foot lifting crank 3 rotates towards the direction far away from the adjusting screw 7, and the linkage machine needle cannot move along with the presser foot component B.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (5)
1. The utility model provides a hemming machine follow-up presser foot mechanism which characterized in that: the clamp spring lifting and pressing device comprises a clamp spring (1), a clamp spring positioning washer (2), a pressure foot lifting crank (3), a pressure foot lifting adjusting crank (5), a pressure foot lifting shaft (13), a pressure foot lifting chute (14), a pressure foot frame (15) and a pressure foot component (B);
one end of the clamp spring (1) is clamped in a clamp spring groove of the clamp spring positioning washer (2), and the clamp spring positioning washer (2) is fixedly connected to one end of the presser foot positioning shaft (23); the cam end of the presser foot positioning shaft (23) is connected with one end of a presser foot frame (15), the other end of the presser foot frame (15) is arranged in a presser foot lifting sliding groove (14) in a sliding manner, the presser foot lifting sliding groove (14) is hinged to the cam end of a presser foot lifting shaft (13), the other end of the presser foot lifting shaft (13) is fixedly provided with a presser foot lifting crank (3), the presser foot lifting shaft (13) on the inner side of the presser foot lifting crank (3) is sleeved with a presser foot lifting adjusting crank (5), the other end of the clamp spring (1) connects the presser foot lifting adjusting crank (5) with the presser foot lifting crank (3), a connecting lug of the presser foot lifting adjusting crank (5) is provided with an adjusting screw (7), and the adjusting screw (7) is arranged on a swing arm of the presser foot lifting crank; the presser foot component (B) is fixedly arranged at one end of the presser foot frame (15);
the waist-shaped hole of the pressure foot lifting and adjusting crank (5) is internally provided with a slider nut (4), a connecting sleeve (8), a screw (10) and a gasket (11), one end of a pressure foot lifting and connecting rod (9) is sleeved on the connecting sleeve (8), the other end of the pressure foot lifting and connecting rod pin (12) is arranged in a penetrating way and is connected with the swinging end of an upper shaft crank (26) through the pressure foot lifting and connecting rod pin (12), the upper shaft crank (26) is fixedly arranged on an upper shaft (27) through the screw, the other end of the upper shaft (27) is hinged with a needle rod crank (28), and the needle rod crank (28) is connected with a machine needle through a needle rod component (.
2. The hemming machine follower presser foot mechanism according to claim 1, wherein: the presser foot frame (15) is fixedly connected with a presser foot positioning shaft (23) through a compression screw (20), and a roller (22) and a gasket (21) are sleeved on the compression screw (20).
3. A stitcher follower presser foot mechanism according to claim 1 or 2, wherein: the presser foot component (B) comprises a presser foot bracket (16), a presser foot bottom plate (17) and a presser foot spring (19); the presser foot base plate (17) is connected to the presser foot bracket (16) through a pin (18), one end of a presser foot spring (19) is fixedly connected to the presser foot bracket (16), the other end of the presser foot spring is pressed at the upper end of the front part of the presser foot base plate (17), and the presser foot bracket (16) is connected with the presser foot frame (15).
4. The hemming machine follower presser foot mechanism according to claim 3 wherein: and a locking nut (6) is arranged between the adjusting screw (7) and the connecting lug of the pressure raising and pressing foot adjusting crank (5).
5. The hemming machine follower presser foot mechanism according to claim 4, wherein: the presser foot lifting chute (14) is hinged on the presser foot lifting shaft (13) through a pin (25) and a gasket (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922242577.4U CN211665316U (en) | 2019-12-12 | 2019-12-12 | Hemming machine follow-up presser foot mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922242577.4U CN211665316U (en) | 2019-12-12 | 2019-12-12 | Hemming machine follow-up presser foot mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211665316U true CN211665316U (en) | 2020-10-13 |
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ID=72735096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922242577.4U Active CN211665316U (en) | 2019-12-12 | 2019-12-12 | Hemming machine follow-up presser foot mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211665316U (en) |
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2019
- 2019-12-12 CN CN201922242577.4U patent/CN211665316U/en active Active
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