CN218491939U - Cloth feeding adjusting mechanism for overedger and overedger - Google Patents
Cloth feeding adjusting mechanism for overedger and overedger Download PDFInfo
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- CN218491939U CN218491939U CN202222214749.9U CN202222214749U CN218491939U CN 218491939 U CN218491939 U CN 218491939U CN 202222214749 U CN202222214749 U CN 202222214749U CN 218491939 U CN218491939 U CN 218491939U
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Abstract
The utility model relates to a sewing machine discloses an adjust work feed mechanism and hemming machine for hemming machine, including main feed tooth frame, differential tooth frame, main feed crank, differential crank, main feed tooth adjust sliding block subassembly, differential tooth adjust sliding block subassembly, feed tooth adjust driver and differential tooth adjust driver, main feed crank is connected with main feed tooth frame through main feed tooth adjust sliding block subassembly, differential crank is connected with differential tooth frame through differential tooth adjust sliding block subassembly; the feed dog adjusting driver drives the main feed dog adjusting slide block assembly to lift and adjust the swing amplitude of the main feed crank, and the differential dog adjusting driver drives the differential dog adjusting slide block assembly to lift and adjust the swing amplitude of the differential crank. This mechanism adjusts the driver through the feed dog and adjusts the driver with differential tooth and drive respectively and mainly send tooth to adjust sliding block set spare, the swing range of two sliding block set spares of automatic regulation to adjust mainly the swing range who sends crank and differential crank, intelligent control adjusts the precision height.
Description
Technical Field
The utility model relates to a sewing machine especially relates to an adjust work feed mechanism and hemming machine for hemming machine.
Background
The cloth feeding principle of the overedger is that the cloth feeding is realized by the elliptical motion of teeth and the extrusion of a presser foot, the elliptical motion of the teeth is formed by combining up-and-down motion and left-and-right motion, and the teeth mainly feed the teeth and differential teeth. The cloth feeding speed can be adjusted by adjusting the left and right movement amplitude of the teeth, namely the adjustment of the cloth feeding needle pitch; the adjustment of the differential ratio can be realized by adjusting the left-right motion amplitude of the differential teeth to be larger than, smaller than or equal to the left-right motion amplitude of the main feeding teeth so as to adapt to the requirements of different processes.
At present, the teeth are adjusted manually by adjusting the swing amplitude of a main feeding crank and a differential crank, for example, a sewing machine with the application number of 201922097060.0 is complex to operate, and the adjustment accuracy is different according to different people.
SUMMERY OF THE UTILITY MODEL
The utility model provides an adjust work feed mechanism and hemming machine for hemming machine to the shortcoming among the prior art.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve:
a cloth feeding adjusting mechanism for a overedger comprises a main feed rack, a differential feed rack, a main feed crank, a differential crank, a main feed tooth adjusting slide block assembly and a differential tooth adjusting slide block assembly, wherein the main feed crank is connected with the main feed rack through the main feed tooth adjusting slide block assembly and drives the main feed rack to move left and right; the cloth feeding tooth adjusting driver drives the main tooth feeding adjusting sliding block assembly to lift and adjust the swinging amplitude of the main feeding crank, and the differential tooth adjusting driver drives the differential tooth adjusting sliding block assembly to lift and adjust the swinging amplitude of the differential crank. This mechanism adjusts the driver through the feed dog and adjusts the driver with differential tooth and drive respectively and mainly send tooth to adjust sliding block set spare, the swing range of two sliding block set spares of automatic regulation to adjust mainly the swing range who sends crank and differential crank, intelligent control adjusts the precision height.
Preferably, the cloth feeding mechanism further comprises a cloth feeding adjusting shaft and a shaft sleeve, the shaft sleeve is sleeved on the cloth feeding adjusting shaft, the main tooth feeding adjusting slide block assembly is installed on the shaft sleeve, the differential tooth adjusting slide block assembly is installed on the cloth feeding adjusting shaft, and the cloth feeding tooth adjusting driver drives the shaft sleeve to rotate and drives the main tooth feeding adjusting slide block assembly to swing; the differential tooth adjusting driver drives the cloth feeding adjusting shaft to rotate and drives the differential tooth adjusting sliding block assembly to swing.
Preferably, the feed dog adjusting driver and the differential tooth adjusting driver are both servo motors, a feed dog bevel gear is fixed on an output shaft of the feed dog adjusting driver, a shaft sleeve bevel gear is fixed at the end part of a shaft sleeve, and the feed dog bevel gear is meshed with the shaft sleeve bevel gear; the output shaft of the differential tooth adjusting driver is fixedly provided with a differential tooth driver bevel gear, the end part of the cloth feeding adjusting shaft is fixedly provided with a differential shaft bevel gear, and the differential tooth driver bevel gear is meshed with the differential shaft bevel gear. The feed dog adjusting driver and the differential tooth adjusting driver are respectively meshed with the bevel gears on the shaft sleeve and the feed adjusting shaft through the bevel gears, so that the mounting positions of the feed dog adjusting driver and the differential tooth adjusting driver are changed, the feed dog adjusting driver and the differential tooth adjusting driver are reasonably arranged on the overedger, the compactness and the orderliness of parts in the overedger are guaranteed, and the whole volume of the overedger can be minimized.
Preferably, a cloth feeding guide groove is formed in the side edge of the end portion of the main cloth feeding rack, the main cloth feeding adjusting slide block assembly comprises a cloth feeding rocker arm and a cloth feeding slide block, one end of the cloth feeding slide block is connected with the cloth feeding rocker arm, the other end of the cloth feeding slide block extends into the cloth feeding guide groove, a main cloth feeding crank hole is formed in the cloth feeding slide block, the cloth feeding slide block is sleeved on a main cloth feeding crank through the main cloth feeding crank hole, and the other end of the cloth feeding rocker arm is fixed on the shaft sleeve. The shaft sleeve rotates and drives the cloth feeding rocker arm to swing, and the cloth feeding rocker arm drives the cloth feeding sliding block to slide in the cloth feeding guide groove, so that the swing amplitude of the main cloth feeding crank is adjusted, and the movement amplitude of the main cloth feeding tooth rack is further adjusted.
Preferably, a differential guide groove is formed in the side edge of the end portion of the differential tooth rack, the differential tooth adjusting slide block assembly comprises a differential rocker arm and a differential slide block, one end of the differential slide block is connected with the differential rocker arm, the other end of the differential slide block extends into the differential guide groove, a differential crank hole is formed in the differential slide block, the differential slide block is sleeved on a differential crank through the differential crank hole, and the other end of the differential rocker arm is fixed on the cloth feeding adjusting shaft. The cloth feeding adjusting shaft rotates and drives the differential rocker arm to swing, and the differential rocker arm drives the differential sliding block to slide in the differential guide groove, so that the swing amplitude of the differential crank is adjusted, and the moving amplitude of the differential tooth rack is further adjusted.
Preferably, the cloth feeding mechanism further comprises a main shaft and a cloth feeding driving shaft, wherein the main cloth feeding crank and the differential crank are fixed on the cloth feeding driving shaft, the cloth feeding crank is installed on the main shaft, and the other end of the cloth feeding crank is connected with the cloth feeding driving shaft and drives the cloth feeding driving shaft to rotate.
Preferably, the main shaft is further provided with a cloth feeding cam limiting block and a cloth feeding eccentric cam, the cloth feeding cam limiting block is used for limiting and installing a cloth feeding crank on the cloth feeding eccentric cam, and a needle bearing is arranged between the cloth feeding eccentric cam and the cloth feeding crank. The traditional cloth feeding crank drives the swing part to have a complex structure and high manufacturing cost.
Preferably, the main shaft is further provided with a tooth lifting slide block, the main tooth feeding rack is provided with a cloth feeding groove, the differential tooth rack is provided with a differential groove, the main tooth feeding rack is arranged on the tooth lifting slide block through the cloth feeding groove, and the differential tooth rack is arranged on the tooth lifting slide block through the differential groove. The feed dog slide block can lift the main feed dog frame and the differential feed dog frame to move up and down.
An overlock machine comprises an adjusting cloth feeding mechanism for the overlock machine.
The utility model discloses owing to adopted above technical scheme, have apparent technological effect:
this mechanism adjusts the driver through the feed dog and adjusts the driver with differential tooth and drive respectively and mainly send tooth to adjust sliding block set spare, the swing range of two sliding block set spares of automatic regulation to adjust mainly the swing range who sends crank and differential crank, intelligent control adjusts the precision height.
Drawings
Fig. 1 is a schematic structural diagram of the present invention in a first position state.
Fig. 2 is a schematic structural diagram of the present invention in the second position.
Fig. 3 is an exploded view of the upper part of the main shaft according to the present invention.
Fig. 4 is a schematic view of the structure assembled on the housing of the present invention.
The names of the parts indicated by the numerical references in the above figures are as follows: wherein, 10-main feed rack, 11-differential feed rack, 12-main feed crank, 13-differential crank, 14-main feed adjusting slide assembly, 15-differential feed adjusting slide assembly, 16-feed adjusting driver, 17-differential feed adjusting driver, 18-feed adjusting shaft, 19-shaft sleeve, 21-feed driver bevel gear, 22-shaft sleeve bevel gear, 23-differential feed driver bevel gear, 24-differential shaft bevel gear, 25-main shaft, 26-feed driving shaft, 27-feed crank, 28-feed cam stopper, 29-feed eccentric cam, 30-needle bearing, 31-feed slide, 32-main feed tooth, 33-differential tooth, 34-differential feed adjusting crank, 101-feed guide groove, 102-feed groove, 111-differential guide groove, 112-differential groove, 141-feed rocker, 142-feed slide, 151-differential rocker, 152-differential slide.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings 1-4 and examples.
Example 1
The utility model provides an adjust work feed mechanism for overedger, including main feed tooth frame 10, differential tooth frame 11, main crank 12, differential crank 13, main feed tooth adjusting block subassembly 14 and differential tooth adjusting block subassembly 15 of sending, main feed crank 12 is connected and is driven it and remove about through main feed tooth adjusting block subassembly 14 and main feed tooth frame 10, and main feed crank 12 passes main feed tooth adjusting block subassembly 14 one end promptly, and the main tip that sends tooth adjusting block subassembly 14 slides on main feed tooth frame 10 to adjust the amplitude of oscillation of main feed crank 12, and then adjust the amplitude of movement of main feed tooth frame 10. The differential crank 13 is connected with the differential tooth frame 11 through the differential tooth adjusting slide block assembly 15 and drives the differential tooth frame 11 to move left and right, namely the differential crank 13 penetrates through one end part of the differential tooth adjusting slide block assembly 15, and the end part of the differential tooth adjusting slide block assembly 15 slides on the differential tooth frame 11, so that the swinging amplitude of the differential crank 13 is adjusted, and further the moving amplitude of the main tooth frame 10 is adjusted. The cloth feeding adjusting mechanism further comprises a cloth feeding tooth adjusting driver 16 and a differential tooth adjusting driver 17, the cloth feeding tooth adjusting driver 16 is connected with the main cloth feeding adjusting slider component 14 and drives the main cloth feeding adjusting slider component 14 to swing, the main cloth feeding adjusting slider component 14 swings and drives the main cloth feeding crank 12 to swing together, the differential tooth adjusting driver 17 is connected with the differential tooth adjusting slider component 15 and drives the differential tooth adjusting slider component 15 to swing, and the differential tooth adjusting slider component 15 swings and drives the differential crank 13 to swing together.
The cloth feeding adjusting device further comprises a cloth feeding adjusting shaft 18 and a shaft sleeve 19, the shaft sleeve 19 is sleeved on the cloth feeding adjusting shaft 18, the shaft sleeve 19 and the cloth feeding adjusting shaft 18 rotate asynchronously, namely, the cloth feeding adjusting shaft 18 rotates, the shaft sleeve 19 does not move, the shaft sleeve 19 rotates, and the cloth feeding adjusting shaft 18 does not move. The main feed adjusting slide block assembly 14 is arranged on a shaft sleeve 19, the differential feed adjusting slide block assembly 15 is arranged on a feed adjusting shaft 18, and a feed adjusting driver 16 drives the shaft sleeve 19 to rotate and drives the main feed adjusting slide block assembly 14 to swing; the differential tooth adjusting driver 17 drives the cloth feeding adjusting shaft 18 to rotate and drives the differential tooth adjusting slide block assembly 15 to swing.
The feed dog adjusting driver 16 and the differential feed dog adjusting driver 17 are servo motors, a feed dog bevel gear 21 is fixed on an output shaft of the feed dog adjusting driver 16, one end of the feed dog bevel gear 21 is a gear surface, and the other end of the feed dog bevel gear 21 is sleeved on the output shaft of the feed dog adjusting driver 16 and locked by a screw. The end part of the shaft sleeve 19 is fixed with a shaft sleeve bevel gear 22, the shaft sleeve bevel gear 22 and the shaft sleeve 19 are integrated, and the shaft sleeve bevel gear 22 is a conical gear ring. The feed drive bevel gear 21 meshes with the sleeve bevel gear 22, and the output shaft of the feed dog adjustment drive 16 is arranged perpendicular to the sleeve 19. A differential tooth driver bevel gear 23 is fixed on an output shaft of the differential tooth adjusting driver 17, one end of the differential tooth driver bevel gear 23 is a gear surface, and the other end of the differential tooth driver bevel gear 23 is sleeved on the output shaft of the differential tooth adjusting driver 17 and locked by a screw. A differential shaft bevel gear 24 is fixed at the end of the cloth feeding adjusting shaft 18, one end of the differential shaft bevel gear 24 is a gear surface, and the other end thereof is sleeved on the output shaft of the cloth feeding adjusting shaft 18 and locked by a screw. The differential tooth driver bevel gear 23 meshes with the differential shaft bevel gear 24, and the output shaft of the differential tooth adjusting driver 17 is arranged perpendicular to the feed adjusting shaft 18.
A cloth feeding guide groove 101 is formed in the side edge of the end portion of the main tooth feeding frame 10, the cloth feeding guide groove 101 extends vertically upwards, the main tooth feeding adjusting slider assembly 14 comprises a cloth feeding rocker arm 141 and a cloth feeding slider 142, one end of the cloth feeding slider 142 is connected with the cloth feeding rocker arm 141, and the cloth feeding slider 142 and the cloth feeding rocker arm 141 are hinged together through screws; the other end of the cloth feeding sliding block 142 extends into the cloth feeding guide groove 101 and slides along the extension direction of the cloth feeding sliding block, a main cloth feeding crank hole is formed in the cloth feeding sliding block 142, the main cloth feeding crank hole is a square hole, the shape of the main cloth feeding crank hole is mainly matched with that of the main cloth feeding crank 12, the cloth feeding sliding block 142 is sleeved on the main cloth feeding crank 12 through the main cloth feeding crank hole, and the other end of the cloth feeding rocker arm 141 is fixed on the shaft sleeve 19.
The side edge of the end part of the differential tooth rack 11 is provided with a differential guide groove 111, the differential guide groove 111 vertically extends upwards, the differential tooth adjusting slide block assembly 15 comprises a differential rocker arm 151 and a differential slide block 152, one end of the differential slide block 152 is connected with the differential rocker arm 151, and the differential slide block 152 and the differential rocker arm 151 are hinged together through a screw; the other end of the differential slider 152 extends into the differential guide groove 111 and slides along the extending direction thereof, a differential crank hole is arranged on the differential slider 152, the main feed crank hole is a square hole, the shape of the main feed crank hole is mainly matched with the differential crank 13, the differential slider 152 is sleeved on the differential crank 13 through the differential crank hole, and the other end of the differential rocker 151 is fixed on the feed adjusting shaft 18.
Example 2
Embodiment 2 has substantially the same features as the embodiment except that the cloth feeding adjusting mechanism further comprises a main shaft 25 and a cloth feeding driving shaft 26, the main crank 12 and the differential crank 13 are both fixed on the cloth feeding driving shaft 26, the ends of the main crank 12 and the differential crank 13 are both provided with locking notches, the cloth feeding driving shaft 26 passes through the locking notches, screws are locked on the locking notches to fasten the main crank 12 and the differential crank 13 on the cloth feeding driving shaft 26, the main shaft 25 is provided with the cloth feeding crank 27, the cloth feeding crank 27 is sleeved on the main shaft 25, the other end of the cloth feeding crank 27 is connected with the cloth feeding driving shaft 26 and drives the cloth feeding driving shaft 26 to rotate, and the other end of the cloth feeding crank 27 is sleeved on the cloth feeding driving shaft 26.
The main shaft 25 is further provided with a cloth feeding cam limiting block 28 and a cloth feeding eccentric cam 29, the cloth feeding cam limiting block 28 and the cloth feeding eccentric cam 29 are locked on the main shaft 25 through screws, the cloth feeding cam limiting block 28 and the cloth feeding eccentric cam 29 are connected in a contact mode to form an annular mounting groove, a cloth feeding crank 27 is mounted on the annular mounting groove, the cloth feeding crank 27 is limited and mounted on the cloth feeding eccentric cam 29 through the cloth feeding cam limiting block 28, and a needle bearing 30 is arranged between the cloth feeding eccentric cam 29 and the cloth feeding crank 27.
The main shaft 25 is further provided with a tooth lifting slide block 31, the tooth lifting slide block 31 is a square slide block, the tooth lifting slide block 31 and the main shaft 25 synchronously rotate, a cloth feeding groove 102 is formed in the main tooth feeding rack 10, a differential groove 112 is formed in the differential tooth feeding rack 11, the main tooth feeding rack 10 is installed on the tooth lifting slide block 31 through the cloth feeding groove 102, and the differential tooth feeding rack 11 is installed on the tooth lifting slide block 31 through the differential groove 102.
Example 3
An overlock machine comprising the adjustable cloth feeding mechanism for an overlock machine in embodiment 2 or 3. The cloth feeding mechanism of the overedger is an elliptical motion mechanism of teeth, the elliptical motion mechanism is formed by combining up-and-down motion and left-and-right motion, the teeth comprise main teeth 32 and differential teeth 33, the main teeth 32 are arranged on a main tooth feeding rack 10, and the differential teeth 33 are arranged on a differential tooth rack 11. The up-and-down motion is that the main shaft 25 rotates to drive the tooth lifting slide block 31 arranged on the eccentric characteristic of the main shaft 25 to rotate, the tooth lifting slide block 31 drives the main tooth feeding rack 10 and the differential tooth rack 11 to synchronously move up and down, and the main tooth feeding rack 10 and the differential tooth rack 11 drive the main tooth feeding rack 32 and the differential tooth 33 to move up and down; the left-right movement is that the main shaft 25 rotates to drive the cloth feeding eccentric cam 29 to rotate, the needle bearing 30 is arranged on the eccentric characteristic outer diameter of the cloth feeding eccentric cam 29, the cloth feeding crank 27 is arranged on the outer diameter of the needle bearing 30, the cloth feeding eccentric cam 29 rotates to drive the cloth feeding crank 27 to swing, the cloth feeding crank 27 swings to drive the differential crank 13 to swing, the differential tooth adjusting slide assembly 15 is arranged on the differential crank 13, the differential tooth adjusting slide assembly 15 is arranged in the differential guide groove 111 of the differential tooth frame 11, so that the differential crank 13 swings to drive the differential tooth frame 11 to move left and right, the differential crank 13 swings to drive the cloth feeding drive shaft 26 to rotate, the cloth feeding drive shaft 26 drives the main cloth feeding crank 12 to swing, the main cloth feeding adjusting slide assembly 14 is arranged on the main cloth feeding crank 12, and the main cloth feeding adjusting slide assembly 14 is arranged in the cloth feeding guide groove 101 of the main cloth feeding tooth frame 10, so that the main cloth feeding crank 12 swings to drive the main tooth frame 10 to move left and right. In conclusion, the main shaft 25 rotates to realize the simultaneous up-and-down and left-and-right movement of the main feeding teeth 32 and the differential teeth 33, and an elliptical motion trajectory is formed by combining the up-and-down movement and the left-and-right movement.
The differential tooth adjusting driver 17 is controlled to rotate forward to drive the differential tooth driver bevel gear 23 and the differential shaft bevel gear 24 to rotate, so as to drive the cloth feeding adjusting shaft 18 to rotate, the cloth feeding adjusting shaft 18 drives the differential tooth adjusting crank 34 to rotate upwards, the differential tooth adjusting crank 34 drives the differential rocker arm 151 to move upwards, the differential rocker arm 151 drives the differential slider 152 to move upwards along the differential crank 13 and the differential guide groove 111 of the differential tooth rack 11 simultaneously, so that the horizontal height of the differential slider 152 is higher than that of the cloth feeding slider 142, namely the driving arm of the differential tooth rack 11 is larger than that of the main tooth rack 10, so that the amplitude of the left and right movement of the differential tooth rack 11 is larger than that of the main tooth rack 10, namely the amplitude of the left and right movement of the differential tooth 33 is larger than that of the left and right movement of the main tooth rack 32, and the differential ratio state is a direct difference. And similarly, the differential tooth adjusting driver 17 is controlled to rotate forwards or backwards for a certain angle, so that the horizontal height of the differential sliding block 152 is equal to or less than that of the cloth feeding sliding block 142, the differential state is synchronous or inverse difference, and the locking of the differential ratio can be realized by locking the motor after the required differential ratio is realized.
The feed dog adjusting driver 16 is controlled to rotate forwards to drive the feed dog driver bevel gear 21 and the shaft sleeve bevel gear 22 to rotate, the shaft sleeve bevel gear 22 drives the feed rocker 141 to move upwards, the feed rocker 141 drives the feed slider 142 to move upwards along the guide rod of the main feed crank 12 and the guide groove of the main feed rack 10 simultaneously, so that the driving arm of the main feed rack 10 is lengthened, the amplitude of the left-right movement of the main feed rack 10 is increased, namely the amplitude of the left-right movement of the main feed tooth 32 is increased, correspondingly, the differential tooth adjusting driver 17 is controlled to rotate by a corresponding angle, so that the relative heights of the differential slider 152 and the feed slider 142 are kept unchanged, namely the differential ratio is kept unchanged, and at the moment, the left-right movement amplitudes of the main feed tooth 32 and the differential tooth 33 are increased, namely the feed needle pitch is increased. The cloth feeding teeth adjusting driver 16 is controlled to rotate reversely by a certain angle in the same way, and the same differential tooth adjusting driver 17 is controlled to rotate by a corresponding angle, so that the cloth feeding needle pitch can be reduced, and after the required cloth feeding needle pitch is obtained, the locking of the cloth feeding needle pitch can be realized by locking the motor.
Claims (9)
1. An adjusting cloth feeding mechanism for a overedger comprises a main tooth feeding rack (10), a differential tooth rack (11), a main tooth feeding crank (12), a differential crank (13), a main tooth feeding adjusting slider component (14) and a differential tooth adjusting slider component (15), wherein the main tooth feeding crank (12) is connected with the main tooth feeding rack (10) through the main tooth feeding adjusting slider component (14) and drives the main tooth feeding rack to move left and right, and the differential crank (13) is connected with the differential tooth rack (11) through the differential tooth adjusting slider component (15) and drives the differential tooth feeding rack to move left and right; the method is characterized in that: the cloth feeding device is characterized by further comprising a cloth feeding tooth adjusting driver (16) and a differential tooth adjusting driver (17), wherein the cloth feeding tooth adjusting driver (16) drives the main tooth adjusting slide block assembly (14) to lift and adjusts the swinging amplitude of the main tooth feeding crank (12), and the differential tooth adjusting driver (17) drives the differential tooth adjusting slide block assembly (15) to lift and adjusts the swinging amplitude of the differential crank (13).
2. An adjustable feed mechanism for an overlock machine as claimed in claim 1, wherein: the cloth feeding mechanism is characterized by further comprising a cloth feeding adjusting shaft (18) and a shaft sleeve (19), wherein the shaft sleeve (19) is sleeved on the cloth feeding adjusting shaft (18), a main tooth feeding adjusting slider component (14) is installed on the shaft sleeve (19), a differential tooth adjusting slider component (15) is installed on the cloth feeding adjusting shaft (18), and a cloth feeding adjusting driver (16) drives the shaft sleeve (19) to rotate and drives the main tooth feeding adjusting slider component (14) to swing; the differential tooth adjusting driver (17) drives the cloth feeding adjusting shaft (18) to rotate and drives the differential tooth adjusting slide block component (15) to swing.
3. An adjustable feed mechanism for an overlock machine as claimed in claim 2, wherein: the feed dog adjusting driver (16) and the differential tooth adjusting driver (17) are both servo motors, a feed dog bevel gear (21) is fixed on an output shaft of the feed dog adjusting driver (16), a shaft sleeve bevel gear (22) is fixed at the end part of the shaft sleeve (19), and the feed dog bevel gear (21) is meshed with the shaft sleeve bevel gear (22); a differential tooth driver bevel gear (23) is fixed on an output shaft of the differential tooth adjusting driver (17), a differential shaft bevel gear (24) is fixed at the end part of the cloth feeding adjusting shaft (18), and the differential tooth driver bevel gear (23) is meshed with the differential shaft bevel gear (24).
4. An adjustable feed mechanism for an overlock machine as claimed in claim 2, wherein: the side edge of the end part of the main feed rack (10) is provided with a cloth feeding guide groove (101), the main feed adjusting slider component (14) comprises a cloth feeding rocker arm (141) and a cloth feeding slider (142), one end of the cloth feeding slider (142) is connected with the cloth feeding rocker arm (141), the other end of the cloth feeding slider (142) extends into the cloth feeding guide groove (101), the cloth feeding slider (142) is provided with a main feed crank hole, the cloth feeding slider (142) is sleeved on a main feed crank (12) through the main feed crank hole, and the other end of the cloth feeding rocker arm (141) is fixed on a shaft sleeve (19).
5. An adjustable feed mechanism for an overlock machine as claimed in claim 2, wherein: the side edge of the end part of the differential tooth rack (11) is provided with a differential guide groove (111), the differential tooth adjusting slide block assembly (15) comprises a differential rocker arm (151) and a differential slide block (152), one end of the differential slide block (152) is connected with the differential rocker arm (151), the other end of the differential slide block (152) extends into the differential guide groove (111), the differential slide block (152) is provided with a differential crank hole, the differential slide block (152) is sleeved on a differential crank (13) through the differential crank hole, and the other end of the differential rocker arm (151) is fixed on a cloth feeding adjusting shaft (18).
6. An adjustable feed mechanism for an overlock machine as claimed in any one of claims 1 to 5, wherein: the cloth feeding mechanism is characterized by further comprising a main shaft (25) and a cloth feeding driving shaft (26), wherein the main cloth feeding crank (12) and the differential crank (13) are fixed on the cloth feeding driving shaft (26), the cloth feeding crank (27) is installed on the main shaft (25), and the other end of the cloth feeding crank (27) is connected with the cloth feeding driving shaft (26) and drives the cloth feeding driving shaft to rotate.
7. An adjustable feed mechanism for an overlock machine as claimed in claim 6, wherein: the main shaft (25) is also provided with a cloth feeding cam limiting block (28) and a cloth feeding eccentric cam (29), the cloth feeding crank (27) is limited and installed on the cloth feeding eccentric cam (29) by the cloth feeding cam limiting block (28), and a needle bearing (30) is arranged between the cloth feeding eccentric cam (29) and the cloth feeding crank (27).
8. An adjustable feed mechanism for an overlock machine as claimed in claim 6, wherein: the main shaft (25) is further provided with a tooth lifting sliding block (31), the main tooth feeding rack (10) is provided with a cloth feeding groove (102), the differential tooth rack (11) is provided with a differential groove (112), the main tooth feeding rack (10) is installed on the tooth lifting sliding block (31) through the cloth feeding groove (102), and the differential tooth rack (11) is installed on the tooth lifting sliding block (31) through the differential groove (112).
9. An overlock machine, characterized in that: comprising an adjustable feed mechanism for an overlock machine as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222214749.9U CN218491939U (en) | 2022-08-22 | 2022-08-22 | Cloth feeding adjusting mechanism for overedger and overedger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222214749.9U CN218491939U (en) | 2022-08-22 | 2022-08-22 | Cloth feeding adjusting mechanism for overedger and overedger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218491939U true CN218491939U (en) | 2023-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222214749.9U Active CN218491939U (en) | 2022-08-22 | 2022-08-22 | Cloth feeding adjusting mechanism for overedger and overedger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218491939U (en) |
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2022
- 2022-08-22 CN CN202222214749.9U patent/CN218491939U/en active Active
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