CN213507467U - Overedger is with differential adjustment mechanism of high accuracy - Google Patents
Overedger is with differential adjustment mechanism of high accuracy Download PDFInfo
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- CN213507467U CN213507467U CN202022111046.4U CN202022111046U CN213507467U CN 213507467 U CN213507467 U CN 213507467U CN 202022111046 U CN202022111046 U CN 202022111046U CN 213507467 U CN213507467 U CN 213507467U
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Abstract
The utility model belongs to the technical field of overedgers, in particular to a high-precision differential adjusting mechanism for an overedger, which comprises a frame; one end of the swinging component is rotatably arranged on the rack, the other end of the swinging component is connected with the feeding teeth and the differential teeth on the rack, and the differential motion of the feeding teeth and the differential teeth is changed by directionally rotating the swinging component; and the adjusting component is used for controlling the swinging angle of the swinging component and comprises an installation plate, a motor, a speed reducer, a first belt gear, a second belt gear and a transmission belt. Adjusting the swinging component in an electric control mode; after the motor is decelerated by the speed reducer, the first belt gear can be driven to rotate, the second belt gear rotates along with the first belt gear under the action of the transmission belt while the first belt gear rotates, and the swinging component moves along with the second belt gear, so that the swinging component can swing back and forth under the action of forward rotation and reverse rotation of the motor, and the purpose of adjusting the differential motion between the feeding teeth and the differential teeth is achieved.
Description
Technical Field
The utility model belongs to the technical field of the overedger, especially, relate to a differential adjustment mechanism of high accuracy for overedger.
Background
The overlock sewing machine is mainly used for serging and sewing textiles and has wide application in the field of sewing. The feeding process of the overedger is mainly realized by the reciprocating elliptical motion of the feed dog frame, and the overedger continuously jacks and pulls the cloth on the needle plate through the feed dog frame, so that the cloth to be processed is continuously dragged and conveyed to the machine head to complete the whole feeding process.
When some traditional overedgers sew thick materials, the cloth can be layered or stitches are too dense due to the insufficient cloth dragging force of the cloth feeding tooth rack, when sewing thin materials, the stitch wrinkles caused by excessive feeding, therefore, only the cloth with specific thickness can be processed, in order to realize the processing of the cloth with different thickness, therefore, a differential adjusting device is provided, which is realized by adjusting the differential (different speeds) between the feeding teeth and the differential teeth, however, some existing differential adjusting devices are manually adjusted, such as the chinese patent application with publication number CN111485331A, the stop piece matched with the operating piece is moved by operating the operating piece, so that the swinging piece abutted against the stop piece is driven to rotate by the movement of the stop piece, therefore, the differential motion of the feeding teeth and the differential motion teeth is changed, and the arrangement improves the precision of differential motion adjustment to a certain extent, but the adjustment is inconvenient, and the processing efficiency is difficult to improve.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the technical problem who exists to the aforesaid, provide a but differential adjustment mechanism of high accuracy for hemming machine of automatically regulated.
The purpose of the utility model is realized like this: the utility model provides a hemming machine is with differential adjustment mechanism of high accuracy which characterized in that: the automatic feeding device comprises a rack, wherein feeding teeth and differential teeth are movably arranged on the rack; one end of the swinging component is rotatably arranged on the rack, the other end of the swinging component is connected with the feeding teeth and the differential teeth on the rack, and the differential motion of the feeding teeth and the differential teeth is changed by directionally rotating the swinging component; the adjusting part for control swing component's swing angle, the adjusting part includes mounting panel, motor, reduction gear, first belt gear, second belt gear and driving belt, the mounting panel set up in the frame, the output shaft of motor pass through the shaft coupling with the reduction gear links to each other, the output of reduction gear passes behind the mounting panel with first belt gear links to each other, swing component rotate one of connection serve the axis of rotation with the second gear links to each other, driving belt will first belt gear with the second belt gear is connected.
By adopting the technical scheme, in order to automatically adjust the differential adjusting mechanism, the utility model is provided with an adjusting part, and the swinging part is adjusted by adopting an electric control mode; for overedgers of different models, the mounting position of an adjusting component needs to be improved, certainly, the structure of the adjusting component needs to be improved, the adjusting component mainly comprises a mounting plate, a motor, a speed reducer, a first belt gear, a second belt gear and a transmission belt, wherein the motor drives the first belt gear to rotate after the speed of the motor is reduced through the speed reducer, and the first belt gear and the second belt gear are connected through the transmission belt.
The utility model discloses further set up to: the motor is characterized in that a sector groove is formed in the mounting plate, the swinging component is located in the sector groove and swings in the sector groove, the adjusting component further comprises a baffle arranged on two sides of the sector groove, a sensor arranged on the baffle and a PLC (programmable logic controller) control device, the sensor is used for detecting the displacement of the swinging component, and the PLC control device controls the running state of the motor through a displacement signal of the swinging component detected by the sensor.
By adopting the technical scheme, the mounting plate is provided with the fan-shaped groove, so that the swinging component swings along the radian direction of the fan-shaped groove, the swinging amplitude of the swinging component is controlled, the swinging component is further provided with the baffle and the sensor, and the swinging component is limited and the motor is subjected to change under the combined action of the baffle and the sensor; in order to further improve the adjustment efficiency and the adjustment precision of the swinging component, a servo motor can be adopted for the motor, and the motion state of the servo motor is controlled by a PLC control device.
The utility model discloses further set up to: the adjusting component also comprises a control panel which is interacted with the PLC control device.
By adopting the technical scheme, the control panel is used for an operator to actively operate the swinging component, and the running state of the motor is adjusted through the control keys on the control panel, so that the aim of adjusting the swinging position of the swinging component is fulfilled.
The utility model discloses further set up to: and the rack is also provided with a dustproof cover covering the mounting plate, the motor and the speed reducer.
Through adopting above-mentioned technical scheme, parts such as swing part, motor, reduction gear expose the back for a long time and produce the dust easily, to this the utility model discloses still be provided with the shield, reach dirt-proof purpose through the shield.
The utility model has the advantages that: 1. the utility model is provided with an adjusting component, and the swinging component is adjusted by adopting an electric control mode; the adjusting component mainly comprises a mounting plate, a motor, a speed reducer, a first belt gear, a second belt gear and a transmission belt, wherein the motor drives the first belt gear to rotate after the speed of the motor is reduced by the speed reducer, and the first belt gear and the second belt gear are connected through the transmission belt, so that the second belt gear rotates along with the first belt gear under the action of the transmission belt while the first belt gear rotates, and the second belt gear is fixed on the swinging component, so that the swinging component moves along with the second belt gear, and the swinging component swings back and forth under the action of positive rotation and reverse rotation of the motor, thereby achieving the purpose of adjusting the differential between the feeding teeth and the differential teeth. 2. The mounting plate is provided with a fan-shaped groove, so that the swinging component swings along the radian direction of the fan-shaped groove, a baffle and a sensor are further arranged for controlling the swinging amplitude of the swinging component, and the swinging component is limited and the motor is subjected to change under the combined action of the baffle and the sensor; in order to further improve the adjustment efficiency and the adjustment precision of the swinging component, a servo motor can be adopted for the motor, and the motion state of the servo motor is controlled by a PLC control device.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the adjusting member of the present invention;
FIG. 3 is a schematic structural view of the utility model with a dust cover installed;
the reference numbers in the figures are: 1. a frame; 2. a swinging member; 3. an adjustment member; 31. mounting a plate; 311. a sector groove; 312. a baffle plate; 313. a sensor; 32. a motor; 33. a speed reducer; 34. a first belt gear; 35. a second belt gear; 36. a drive belt; 37. a PLC control device; 38. a control panel; 39. and a dust cover.
Detailed Description
In order to make the technical solutions in the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings:
a high-precision differential adjusting mechanism for a overedger is shown in figures 1 and 2 and comprises a frame 1, wherein a feeding tooth and a differential tooth are movably arranged on the frame 1; one end of the swinging component 2 is rotatably arranged on the rack 1, the other end of the swinging component is connected with the feeding teeth and the differential teeth (not shown in the figure) on the rack 1, and the differential motion of the feeding teeth and the differential teeth is changed by directionally rotating the swinging component 2; the adjusting component 3 is used for controlling the swinging angle of the swinging component 2, the adjusting component 3 comprises a mounting plate 31, a motor 32, a speed reducer 33, a first belt gear 34, a second belt gear 35 and a transmission belt 36, the mounting plate 31 is arranged on the rack 1, an output shaft of the motor 32 is connected with the speed reducer 33 through a coupling, an output end of the speed reducer 33 penetrates through the mounting plate 31 and then is connected with the first belt gear 34, a rotating shaft at one end of the swinging component 2 in rotating connection is connected with the second gear, and the transmission belt 36 connects the first belt gear 34 with the second belt gear 35.
In order to automatically adjust the differential adjusting mechanism, the utility model is provided with an adjusting part 3, and an electric control mode is adopted to adjust the swinging part 2; for different types of overedgers, the mounting position of the adjusting component 3 needs to be improved, and certainly the structure of the adjusting component 3 needs to be improved, the adjusting component 3 mainly comprises a mounting plate 31, a motor 32, a speed reducer 33, a first belt gear 34, a second belt gear 35 and a transmission belt 36, wherein the motor 32 drives the first belt gear 34 to rotate after the speed reduction of the speed reducer 33, because the first belt gear 34 and the second belt gear 35 are connected through the transmission belt 36, the second belt gear 35 rotates along with the first belt gear 34 under the action of the transmission belt 36, and because the second belt gear 35 is fixed on the swinging component 2, the swinging component 2 also moves along with the first belt gear, so that the swinging component 2 swings back and forth under the actions of the forward rotation and the reverse rotation of the motor 32, and further the adjustment of the feeding teeth, The purpose of the differential motion between the differential teeth.
The mounting plate 31 is provided with a fan-shaped groove 311, the swinging component 2 is positioned in the fan-shaped groove 311 and swings in the fan-shaped groove 311, the adjusting component 3 further comprises a baffle 312 arranged at two sides of the fan-shaped groove 311, a sensor 313 arranged on the baffle 312 and a PLC (programmable logic controller) 37, the sensor 313 is used for detecting the displacement of the swinging component 2, and the PLC 37 controls the running state of the motor 32 according to the displacement signal of the swinging component 2 detected by the sensor 313.
A fan-shaped groove 311 is formed in the mounting plate 31, so that the swinging component 2 swings along the arc direction of the fan-shaped groove 311, a baffle 312 and a sensor 313 are further arranged for controlling the swinging amplitude of the swinging component 2, and the swinging component 2 is limited and the motor 32 is subjected to change under the combined action of the baffle 312 and the sensor 313; in order to further improve the adjustment efficiency and the adjustment accuracy of the oscillating member 2, the motor 32 may be a servo motor 32, and the motion state of the servo motor 32 is controlled by the PLC control device 37.
The adjusting part 3 of the present invention further comprises a control panel 38 interacting with the PLC control device 37. The control panel 38 is used for an operator to actively operate the swing member 2, and the operation state of the motor 32 is adjusted through control keys on the control panel 38, so as to achieve the purpose of adjusting the swing position of the swing member 2.
As shown in fig. 3, the frame 1 of the present invention is further provided with a dust cover 39 covering the mounting plate 31, the motor 32, and the reducer 33. Because parts such as swing part 2, motor 32, reduction gear 33 expose the back for a long time and produce the dust easily, to this the utility model discloses still be provided with shield 39, reach dirt-proof purpose through shield 39. Because the motor 32 is covered by the dust cover 39, the heat generated by the motor 32 is difficult to radiate, and the dust cover 39 can be made of aluminum magnesium alloy to improve the heat conduction effect.
The above embodiments are only preferred embodiments of the present invention, not all embodiments, and other embodiments obtained based on the above embodiments by those skilled in the art without any creative work shall fall within the protection scope of the present invention, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (4)
1. The utility model provides a hemming machine is with differential adjustment mechanism of high accuracy which characterized in that: the automatic feeding device comprises a rack (1), wherein feeding teeth and differential teeth are movably arranged on the rack (1); one end of the swinging component (2) is rotatably arranged on the rack (1), the other end of the swinging component is connected with the feeding teeth and the differential teeth on the rack (1), and the differential motion of the feeding teeth and the differential teeth is changed by directionally rotating the swinging component (2); adjusting part (3) for control the swing angle of swing part (2), adjusting part (3) include mounting panel (31), motor (32), reduction gear (33), first belt gear (34), second belt gear (35) and driving belt (36), mounting panel (31) set up in on frame (1), the output shaft of motor (32) pass through the shaft coupling with reduction gear (33) link to each other, the output of reduction gear (33) passes behind mounting panel (31) with first belt gear (34) link to each other, swing part (2) rotate one of the connection serve the axis of rotation with second belt gear (35) link to each other, driving belt (36) will first belt gear (34) with second belt gear (35) are connected.
2. The high precision differential adjustment mechanism for overedger of claim 1, characterized in that: the adjustable motor is characterized in that a fan-shaped groove (311) is formed in the mounting plate (31), the swinging component (2) is located in the fan-shaped groove (311), the swinging component swings in the fan-shaped groove (311), the adjusting component (3) further comprises a baffle (312) arranged on two sides of the fan-shaped groove (311), a sensor (313) arranged on the baffle (312) and a PLC (programmable logic controller) control device (37), the sensor (313) is used for detecting the displacement of the swinging component (2), and the PLC control device (37) controls the running state of the motor (32) through a displacement signal of the swinging component (2) detected by the sensor (313).
3. The high precision differential adjustment mechanism for overedger of claim 2, characterized in that: the adjustment member (3) further comprises a control panel (38) interacting with the PLC control device (37).
4. The high precision differential adjustment mechanism for overedger of claim 1, characterized in that: the frame (1) is also provided with a dust cover (39) which covers the mounting plate (31), the motor (32) and the speed reducer (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022111046.4U CN213507467U (en) | 2020-09-23 | 2020-09-23 | Overedger is with differential adjustment mechanism of high accuracy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022111046.4U CN213507467U (en) | 2020-09-23 | 2020-09-23 | Overedger is with differential adjustment mechanism of high accuracy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213507467U true CN213507467U (en) | 2021-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022111046.4U Active CN213507467U (en) | 2020-09-23 | 2020-09-23 | Overedger is with differential adjustment mechanism of high accuracy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213507467U (en) |
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2020
- 2020-09-23 CN CN202022111046.4U patent/CN213507467U/en active Active
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