CN220812867U - Step feeding tooth adjusting device - Google Patents
Step feeding tooth adjusting device Download PDFInfo
- Publication number
- CN220812867U CN220812867U CN202322769879.3U CN202322769879U CN220812867U CN 220812867 U CN220812867 U CN 220812867U CN 202322769879 U CN202322769879 U CN 202322769879U CN 220812867 U CN220812867 U CN 220812867U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- adjusting
- eccentric cam
- tooth
- feed dog
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000009958 sewing Methods 0.000 description 16
- 239000000463 material Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model discloses a feeding tooth adjusting device which comprises a rotatable main shaft, a feeding tooth assembly and an adjusting assembly, wherein the adjusting assembly comprises a motor and an adjusting connecting rod arranged on an output shaft of the motor, the feeding tooth assembly comprises an eccentric cam sleeved on the main shaft, a lifting tooth connecting rod connected with the periphery of the eccentric cam and a connecting shaft arranged at the tail end of the lifting tooth connecting rod, the tail end of the connecting shaft is provided with a feeding tooth part in linkage fit, the other end of the adjusting connecting rod extends onto the eccentric cam, and the eccentric cam is driven to operate through the adjusting connecting rod to drive the lifting tooth connecting rod to move. The utility model has the advantage of rapid adjustment of the swing range of the feed dog, and has higher working efficiency.
Description
Technical Field
The utility model relates to the technical field of sewing machine equipment, in particular to a step feeding tooth adjusting device.
Background
A sewing machine is a machine that uses one or more sewing threads to form one or more stitches on a material to interweave or stitch one or more layers of material. The structure of the feed dog is arranged in the sewing machine, in the working process, when the needle is withdrawn from the sewing material, the feed dog is lifted to expose the needle plate, then moves forwards, and the feed dog and the presser foot together feed the sewing material to the position where the needle distance is needed, then descends to the original position, and simultaneously the needle moves downwards to complete the sewing of the needle. Because in the process of sewing, according to different sewing demands, materials such as sponge are sometimes required to be plugged into the sewing materials, so that the sewing materials are thickened, the sewing materials are in a thin section and a thick section, the thickness dimension of the sewing materials is different, and the sewing processes of the sewing materials with different thicknesses are required to be realized through the swinging range of the cloth feeding teeth.
The existing feed dog swinging device on the sewing machine is adjusted by manually rotating screws, and the problem of low station accuracy of the feed dog swinging device exists in a mode of adjusting by rotating screws. And when the range that needs the regulation is too big, the operating duration of rotatory screw is longer, influences work efficiency. Based on the problem, the application provides the feed dog device which is convenient for the swing range of the feed dog device and has higher working efficiency.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model aims to provide a device which is convenient for adjusting the swing range of a feed dog.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a send step tooth adjusting device, includes rotatable main shaft and feed tooth subassembly, still includes adjusting part, adjusting part includes the motor, is located motor output shaft's regulation connecting rod, feed tooth subassembly is including the cover locate the epaxial eccentric cam of main, lift the tooth connecting rod of being connected around with the eccentric cam, be located the linkage that lifts the tooth connecting rod tail end, the tail end of linkage is equipped with linkage complex feed tooth portion, the other end of adjusting the connecting rod extends to on the eccentric cam, drives eccentric cam operation through the regulation connecting rod, drives to lift the tooth connecting rod displacement.
The utility model is further provided with: the adjusting connecting rod comprises a rotating block connected with the output shaft of the motor and an inserting block which is inserted and matched with the eccentric cam, a driving rod is hinged between the rotating block and the inserting block, and a slot which is matched with the inserting block is formed in the eccentric cam.
The utility model is further provided with: the feed dog comprises a rack seat of a feed dog fork, and the feed dog fork is sleeved at the tail end of a feed dog connecting rod.
Through adopting above-mentioned technical scheme, add adjusting part's structure, drive the adjusting connection pole up-and-down motion through the motor to play and promote eccentric cam motion, make the actuating lever take place the displacement, thereby the swing scope of tooth frame seat adjusts, can make up the seam material of different thickness. Has the advantages of simple and compact structure, convenient operation and labor saving.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an exploded view of the structure of the present utility model;
Fig. 3 is a state diagram of the present utility model.
1. A main shaft; 2. a feed dog assembly; 20. an eccentric cam; 21. a tooth lifting connecting rod; 22. a linkage shaft; 23. a slot; 24. a dental frame base; 25. lifting a tooth fork; 3. an adjustment assembly; 30. a motor; 31. adjusting the connecting rod; 32. a rotating block; 33. inserting blocks; 34. and a driving rod.
Detailed Description
Embodiments of the present utility model will be further described with reference to fig. 1 to 3.
The utility model provides a feed dog adjusting device, includes rotatable main shaft 1 and feed dog subassembly 20, still includes adjusting part 3, adjusting part 3 includes motor 30, is located the epaxial adjusting link 31 of motor 30 output, feed dog subassembly 20 is including the cover locate eccentric cam 20 on the main shaft 1, lift the tooth connecting rod 21 of being connected around with eccentric cam 20, be located the linkage shaft 22 of lifting the tooth connecting rod 21 tail end, the tail end of linkage shaft 22 is equipped with linkage complex feed dog portion, the other end of adjusting link 31 extends to eccentric cam 20 on, drives eccentric cam 20 through adjusting link 31 and moves, drives to lift the tooth connecting rod 21 displacement. The adjusting connecting rod 31 comprises a rotating block 32 connected with an output shaft of the motor 30 and an inserting block 33 in inserting fit with the eccentric cam 20, a driving rod 34 is hinged between the rotating block 32 and the inserting block 33, and a slot 23 matched with the inserting block 33 is arranged on the eccentric cam 20. The feed dog part comprises a rack seat 24 of a feed dog fork 25, and the feed dog fork 25 is sleeved at the tail end of the feed dog connecting rod 21.
Working principle: when the swing range of the feed dog needs to be adjusted, the motor 30 rotates to drive the rotating block 32 to rotate, the rotating block 32 rotates to drive the driving rod 34 to move up and down, and the driving rod 34 moves up and down to push the inserting block 33 to move, so that the eccentric cam 20 is operated, after the position of the eccentric cam 20 is shifted, the inclined angle position of the feed dog lifting connecting rod 21 is shifted, the aim of adjusting the swing range of the feed dog is fulfilled, and the feed dog adjusting device has the advantages of being simple in operation, reducing labor and being high in working efficiency.
The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (3)
1. The utility model provides a send step tooth adjusting device, includes rotatable main shaft and feed tooth subassembly, its characterized in that: still include adjusting part, adjusting part includes the motor, is located the epaxial adjusting link of motor output, feed dog subassembly is including the cover locate the epaxial eccentric cam of main, with the eccentric cam around being connected lift the tooth connecting rod, be located the linkage shaft of lifting the tooth connecting rod tail end, the tail end of linkage shaft is equipped with interlock complex feed dog portion, the other end of adjusting the connecting rod extends to on the eccentric cam, drives eccentric cam operation through adjusting the connecting rod, drives to lift the tooth connecting rod displacement.
2. The pacing tooth adjusting apparatus as claimed in claim 1, wherein: the adjusting connecting rod comprises a rotating block connected with the output shaft of the motor and an inserting block which is inserted and matched with the eccentric cam, a driving rod is hinged between the rotating block and the inserting block, and a slot which is matched with the inserting block is formed in the eccentric cam.
3. A step feed adjusting device according to claim 2, wherein: the feed dog comprises a rack seat of a feed dog fork, and the feed dog fork is sleeved at the tail end of a feed dog connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322769879.3U CN220812867U (en) | 2023-10-13 | 2023-10-13 | Step feeding tooth adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322769879.3U CN220812867U (en) | 2023-10-13 | 2023-10-13 | Step feeding tooth adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220812867U true CN220812867U (en) | 2024-04-19 |
Family
ID=90698952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322769879.3U Active CN220812867U (en) | 2023-10-13 | 2023-10-13 | Step feeding tooth adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220812867U (en) |
-
2023
- 2023-10-13 CN CN202322769879.3U patent/CN220812867U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |