CN216947424U - Material feeding unit for serger of adjustable pay-off speed - Google Patents
Material feeding unit for serger of adjustable pay-off speed Download PDFInfo
- Publication number
- CN216947424U CN216947424U CN202220185425.4U CN202220185425U CN216947424U CN 216947424 U CN216947424 U CN 216947424U CN 202220185425 U CN202220185425 U CN 202220185425U CN 216947424 U CN216947424 U CN 216947424U
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- China
- Prior art keywords
- feeding
- shaft
- tensioning shaft
- belt assembly
- tensioning
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- Expired - Fee Related
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- 239000000463 material Substances 0.000 title description 7
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 239000004744 fabric Substances 0.000 claims abstract description 19
- 238000007599 discharging Methods 0.000 claims description 27
- 238000003780 insertion Methods 0.000 claims description 12
- 230000037431 insertion Effects 0.000 claims description 12
- 238000004804 winding Methods 0.000 claims description 12
- 238000009964 serging Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 2
- 229920004933 Terylene® Polymers 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Images
Abstract
The utility model is suitable for the related field of overlock machines, and provides a feeding device for an overlock machine with adjustable feeding speed, which comprises a rack, an overlock machine body and a conveying belt assembly, wherein a driving belt wheel of the conveying belt assembly is rotationally connected with the rack; the feeding end of the conveying belt assembly is also provided with a feeding tensioning mechanism, and the feeding tensioning mechanism comprises a supporting rotating shaft and a feeding tensioning shaft which are sequentially arranged towards the conveying belt assembly; through the feeding tensioning mechanism, the tensioning force of the cloth conveying body can be adjusted by adjusting the included angle between the conveying belt assembly and the feeding tensioning shaft, so that the feeding speed can be adjusted under the condition of not changing the driving feeding power.
Description
Technical Field
The utility model belongs to the related field of overlock machines, and particularly relates to a feeding device for an overlock machine, which can adjust the feeding speed.
Background
In the process of producing clothes, because the materials used by terylene and the like are generally synthetic fibers, after the materials are cut with relatively hard texture, silk threads at the edge seams of cut clothes materials can be scattered due to the relatively high hardness of the silk threads, so the silk threads need to be overlooked, and the silk threads in the cloth are prevented from being scattered by overlocking the edge seams by a special overlocking machine, so that the effect of attractive appearance is achieved, and the quality of the clothes can be improved.
A feeding mechanism for overlock for traditional overlock machine is at the in-process of work, can not adjust the tensile force to the cloth to lead to when adjusting the pay-off rate, can only carry out the problem of adjusting through the output of motor.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model aims to provide a feeding device for an overlock machine, which can adjust the feeding speed, and aims to solve the problem that the feeding mechanism for overlock of the traditional overlock machine cannot adjust the tension of cloth in the working process, so that the feeding speed can be adjusted only through the output power of a motor.
The embodiment of the utility model is realized in such a way, the feeding device for the overlock machine capable of adjusting the feeding rate comprises a rack, an overlock machine body and a conveyor belt assembly, wherein a driving belt wheel of the conveyor belt assembly is rotationally connected with the rack; the feed end of conveyer belt subassembly still is equipped with pay-off straining device, pay-off straining device includes support pivot and pay-off tensioning shaft that sets gradually towards the conveyer belt subassembly, the height that highly all is less than conveyer belt subassembly and support pivot of pay-off tensioning shaft, the arc hole has all been seted up on the conch wall of frame both sides, the centre of a circle in arc hole and the centre of a circle coincidence of conveyer belt subassembly's driving pulley, and the radius in arc hole equals with the distance in pay-off tensioning shaft centre of a circle with the driving pulley for the conveyer belt subassembly, sliding connection is in the arc hole of frame both sides respectively at the both ends of pay-off tensioning shaft, and pay-off tensioning shaft still rotates the setting relatively with the frame, the position of pay-off tensioning shaft in the arc hole is passed through locking mechanical system and is locked.
Preferably, two ends of the feeding tensioning shaft are respectively provided with a telescopic part and a fixed part, and the telescopic part and the fixed part are both connected with the arc-shaped hole in the rack in a sliding manner;
the telescopic part of the feeding tensioning shaft extends to the outside of the rack and is connected with a locking mechanism, the locking mechanism comprises an insertion rod, a rotating connecting seat and a spring, the rotating connecting seat is rotatably connected with the end part of the telescopic part of the feeding tensioning shaft, one side of the rotating connecting seat, which is close to the rack, is also provided with the insertion rod matched with a limiting groove on the rack, the rotating connecting seat is also connected with the outer wall of the rack through the spring, the limiting grooves are distributed at intervals along the circumferential direction of the arc-shaped hole, and the insertion rod is inserted into the limiting groove to lock the feeding tensioning shaft;
the fixed part of pay-off tensioning axle rotates with the linkage slewing mechanism and is connected, the linkage slewing mechanism is connected with the driving pulley of conveyer belt subassembly for linkage pay-off tensioning axle rotates.
Preferably, the linkage rotating mechanism comprises a second gear and a first gear which are in meshed connection, and the second gear and the first gear are fixedly connected with a driving pulley of the conveyor belt assembly and the end part of the fixing part of the feeding tensioning shaft respectively.
Preferably, interval department between rolling axle and the conveyer belt subassembly still is equipped with ejection of compact straining device, ejection of compact straining device includes first ejection of compact tensioning axle, second ejection of compact tensioning axle, first slider and second slider, the bilateral symmetry of first ejection of compact tensioning axle is equipped with second ejection of compact tensioning axle, the height that highly is less than the conveyer belt subassembly height of second ejection of compact tensioning axle, the tip of first ejection of compact tensioning axle and second ejection of compact tensioning axle rotates with second slider, first slider respectively to be connected, second slider and first slider and frame sliding connection, still insert in the second slider and be equipped with the lead screw that sets up with first ejection of compact tensioning axle mutually perpendicular, the lead screw rotates to set up and with second slider threaded connection.
Preferably, still connect through linkage adjustment mechanism between first ejection of compact tensioning axle and the second ejection of compact tensioning axle, linkage adjustment mechanism includes hydraulic stem and connecting seat, the both sides of connecting seat are articulated through hydraulic stem and first slider, second slider respectively, the connecting seat still rotates with the frame through the connecting rod with hydraulic stem mutually perpendicular's lateral wall to be connected.
1. The feeding tensioning mechanism provided by the embodiment of the utility model can adjust the tensioning force of the cloth conveying body by adjusting the included angle between the conveying belt assembly and the feeding tensioning shaft, so that the feeding speed can be adjusted under the condition of not changing the driving feeding power; the problem of a feeding mechanism for serging traditional serger can not adjust the tensile force to the cloth at the in-process of work to lead to when adjusting the pay-off speed, can only carry out the regulation through the output of motor is solved.
2. The linkage rotating mechanism provided by the embodiment of the utility model can link the rotation of the feeding tensioning shaft when the conveying belt assembly is driven to rotate, so that the conveying effect on the cloth body is improved; the conveying belt assembly can also stop working, and when the locking mechanism stops limiting the feeding tensioning shaft, the first gear is rotated to enable the first gear to revolve around the second gear, so that the effect of adjusting the included angle between the feeding tensioning shaft and the conveying belt assembly is realized.
Drawings
Fig. 1 is an overall three-dimensional view of a feeding device for an overlock machine capable of adjusting a feeding rate according to an embodiment of the present invention;
FIG. 2 is a partial three-dimensional view of a first viewing angle of an overlock machine with adjustable feeding rate according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 1;
FIG. 4 is a partial three-dimensional view of a second viewing angle of an overlock machine with adjustable feeding rate according to an embodiment of the present invention;
fig. 5 is a partial three-dimensional view of a third viewing angle of an overlock machine capable of adjusting a feeding rate according to an embodiment of the present invention.
In the drawings: 1. a frame; 2. a serger body; 3. a discharging tensioning mechanism; 4. a winding shaft; 5. a cloth body; 6. a conveyor belt assembly; 7. a feeding tensioning shaft; 8. a support shaft; 9. a locking mechanism; 10. a first gear; 11. a second gear; 12. an arc-shaped hole; 13. a limiting groove; 31. a first discharge tension shaft; 32. a second discharge tension shaft; 33. a first slider; 34. a hydraulic lever; 35. a connecting seat; 36. a second slider; 37. a screw rod; 91. inserting a rod; 92. rotating the connecting seat; 93. a spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further 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 utility model and are not intended to limit the utility model.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1-4, a feeding device for an overlock machine with an adjustable feeding rate, provided by an embodiment of the present invention, includes a frame 1, an overlock machine body 2 and a conveyor belt assembly 6, wherein a driving pulley of the conveyor belt assembly 6 is rotatably connected to the frame 1, the overlock machine body 2 is located on the top of the conveyor belt assembly 6 and is configured to overlock two sides of a material body 5 on the conveyor belt assembly 6, a winding shaft 4 for winding the material body 5 is further provided at an interval at a discharge end of the conveyor belt assembly 6, and the winding shaft 4 is rotatably connected to the frame 1; the feed end of conveyer belt subassembly 6 still is equipped with pay-off straining device, pay-off straining device includes support pivot 8 and pay-off tensioning shaft 7 that sets gradually towards conveyer belt subassembly 6, pay-off tensioning shaft 7 highly all is less than conveyer belt subassembly 6 and support pivot 8's height, arc hole 12 has all been seted up on the conch wall of frame 1 both sides, the centre of a circle of arc hole 12 and the coincidence of the centre of a circle of conveyer belt subassembly 6's driving pulley, and the radius of arc hole 12 equals with the distance that is the driving pulley of conveyer belt subassembly 6 and pay-off tensioning shaft 7 centre of a circle, sliding connection is in the arc hole 12 of frame 1 both sides respectively at the both ends of pay-off tensioning shaft 7, and pay-off tensioning shaft 7 still rotates the setting with frame 1 relatively, pay-off tensioning shaft 7 is locked through locking mechanism 9 in the position in arc hole 12.
In an embodiment of the utility model, in the process of driving and rotating the conveying belt assembly 6, the conveying belt assembly 6 is driven to convey the cloth, and the motor can also drive the winding shaft 4 to rotate, so that the cloth after overlock is wound, and the cloth and an overlock piece on the overlock machine body 2 move relatively, thereby realizing the function of overlock the side edge of the cloth continuously (which is the prior art); when motor drive rolling axle 4 pivoted power or the drive power of conveyer belt subassembly 6 driving pulley is unchangeable, realize the regulation to pay-off speed through adjusting the contained angle between pay-off tensioning axle 7 and the conveyer belt subassembly 6 driving pulley, when needs reduce pay-off speed, through swinging pay-off tensioning axle 7 towards conveyer belt subassembly 6 below, down wobbling angle is big more, cloth body 5 is just big more to conveyer belt subassembly 6 and pay-off tensioning axle 7's pressure, thereby make conveyer belt subassembly 6's pay-off speed descend.
As shown in fig. 1-4, as a preferred embodiment of the present invention, both ends of the feeding tension shaft 7 are respectively provided with a telescopic part and a fixed part, and both the telescopic part and the fixed part are slidably connected with an arc-shaped hole 12 on the frame 1;
the telescopic part of the feeding tensioning shaft 7 extends to the outside of the rack 1 and is connected with the locking mechanism 9, the locking mechanism 9 comprises an insertion rod 91, a rotating connecting seat 92 and a spring 93, the rotating connecting seat 92 is rotatably connected with the end part of the telescopic part of the feeding tensioning shaft 7, one side, close to the rack 1, of the rotating connecting seat 92 is also provided with the insertion rod 91 matched with a limiting groove 13 on the rack 1, the rotating connecting seat 92 is further connected with the outer wall of the rack 1 through the spring 93, the limiting grooves 13 are distributed at intervals along the circumferential direction of the arc-shaped hole 12, and the insertion rod 91 is inserted in the limiting groove 13 to lock the feeding tensioning shaft 7;
the fixed part of pay-off tensioning shaft 7 rotates with the linkage slewing mechanism and is connected, the linkage slewing mechanism is connected with the driving pulley of conveyer belt subassembly 6 for linkage pay-off tensioning shaft 7 rotates.
In a case of this embodiment, when the angle of the feeding tension shaft 7 needs to be adjusted, the insertion rod 91 is pulled out from the limiting groove 13, then the feeding tension shaft 7 is swung by an angle, and after the adjustment, the insertion rod 91 is inserted into the limiting groove 13 at a corresponding position, so that the angle of the feeding tension shaft 7 is locked, and the insertion rod 91 can be stably inserted into the limiting groove 13 by arranging the spring 93.
As shown in fig. 4, as a preferred embodiment of the present invention, the linkage rotating mechanism includes a second gear 11 and a first gear 10 which are engaged with each other, and the second gear 11 and the first gear 10 are respectively and fixedly connected to the driving pulley of the conveyor belt assembly 6 and the end of the fixed portion of the feed tension shaft 7.
In a case of this embodiment, when the driving of the conveying belt assembly 6 drives the rotation, the second gear 11 rotates to realize the rotation of the linked feeding tensioning shaft 7 through the first gear 10, so as to improve the conveying effect on the cloth body 5.
In another case of this embodiment, the operation of the conveyor belt assembly 6 is stopped, the driving pulley stops rotating, and at this time, the locking mechanism 9 stops limiting the feeding and tensioning shaft 7, and rotates the first gear 10 to make the first gear 10 revolve around the second gear 11, so as to realize the function of adjusting the included angle between the feeding and tensioning shaft 7 and the conveyor belt assembly 6.
As shown in fig. 1-2 and 5, as a preferred embodiment of the present invention, a discharging tension mechanism 3 is further provided at the interval between the winding shaft 4 and the conveyor belt assembly 6, the discharging tensioning mechanism 3 comprises a first discharging tensioning shaft 31, a second discharging tensioning shaft 32, a first slide block 33 and a second slide block 36, the two sides of the first discharging tension shaft 31 are symmetrically provided with second discharging tension shafts 32, the height of the second discharging tension shafts 32 is lower than that of the conveying belt component 6, the end parts of the first discharging tension shaft 31 and the second discharging tension shaft 32 are respectively connected with the second slide block 36 and the first slide block 33 in a rotating way, the second sliding block 36 and the first sliding block 33 are connected with the rack 1 in a sliding mode, a screw rod 37 perpendicular to the first discharging tensioning shaft 31 is further inserted into the second sliding block 36, and the screw rod 37 is rotatably arranged and is in threaded connection with the second sliding block 36.
In another situation of this embodiment, the first discharging tensioning shaft 31 and the second discharging tensioning shaft 32 are further connected through a linkage adjusting mechanism, the linkage adjusting mechanism includes a hydraulic rod 34 and a connecting seat 35, two sides of the connecting seat 35 are respectively hinged to the first slider 33 and the second slider 36 through the hydraulic rod 34, and the side walls of the connecting seat 35 and the hydraulic rod 34 perpendicular to each other are further rotatably connected with the frame 1 through a connecting rod.
In the embodiment, the first discharging tensioning shaft 31 and the second discharging tensioning shaft 32 are arranged, so that the cloth after being flanged can be tensioned, the winding shaft 4 can wind the cloth body 5 conveniently, and the problem of wrinkles during winding is avoided; when the tensile force to cloth body 5 is adjusted to needs, realize through the interval of adjusting between first ejection of compact tensioning axle 31 and the second ejection of compact tensioning axle 32, the interval is big more, the tensile force is big more, when rotating lead screw 37, realize the effect to first ejection of compact tensioning axle 31 altitude mixture control, effect through linkage adjustment mechanism, realize linkage second ejection of compact tensioning axle 32 and the synchronous reverse motion of first ejection of compact tensioning axle 31, thereby realize the effect to second ejection of compact tensioning axle 32 and the first ejection of compact tensioning axle 31 interval regulation, and then realize the effect to tensile force regulation.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. A feeding device capable of adjusting feeding rate for an overlock machine comprises a rack (1), an overlock machine body (2) and a conveying belt assembly (6), wherein a driving belt wheel of the conveying belt assembly (6) is rotatably connected with the rack (1), the overlock machine body (2) is positioned at the top of the conveying belt assembly (6) and is used for overlocking two sides of a cloth body (5) on the conveying belt assembly (6), winding shafts (4) used for winding the cloth body (5) are further arranged at the discharge end of the conveying belt assembly (6) at intervals, and the winding shafts (4) are rotatably connected with the rack (1); the automatic feeding device is characterized in that the feeding end of the conveyor belt assembly (6) is also provided with a feeding tensioning mechanism, the feeding tensioning mechanism comprises a supporting rotating shaft (8) and a feeding tensioning shaft (7) which are sequentially arranged towards the conveyor belt assembly (6), the height of the feeding tensioning shaft (7) is lower than that of the conveyor belt assembly (6) and the supporting rotating shaft (8), arc-shaped holes (12) are formed in the shell walls of the two sides of the rack (1), the circle center of each arc-shaped hole (12) coincides with the circle center of a driving belt wheel of the conveyor belt assembly (6), the radius of each arc-shaped hole (12) is equal to the distance between the driving belt wheel of the conveyor belt assembly (6) and the circle center of the feeding tensioning shaft (7), the two ends of the feeding shaft (7) are respectively connected in the arc-shaped holes (12) of the two sides of the rack (1) in a sliding mode, and the feeding tensioning shaft (7) is further arranged in a mode of rotating relative to the rack (1), the position of the feeding tension shaft (7) in the arc-shaped hole (12) is locked by a locking mechanism (9).
2. The feeding device for the overlock machine with the adjustable feeding speed according to claim 1, characterized in that two ends of the feeding tensioning shaft (7) are respectively provided with an expansion part and a fixed part, and the expansion part and the fixed part are both connected with an arc-shaped hole (12) on the frame (1) in a sliding way;
the telescopic part of the feeding tensioning shaft (7) extends to the outside of the rack (1) and is connected with a locking mechanism (9), the locking mechanism (9) comprises an insertion rod (91), a rotating connecting seat (92) and a spring (93), the rotating connecting seat (92) is rotatably connected with the end part of the telescopic part of the feeding tensioning shaft (7), one side, close to the rack (1), of the rotating connecting seat (92) is further provided with the insertion rod (91) matched with a limiting groove (13) in the rack (1), the rotating connecting seat (92) is further connected with the outer wall of the rack (1) through the spring (93), the limiting grooves (13) are arranged at intervals in the circumferential direction of the arc-shaped hole (12), and the insertion rod (91) is inserted in the limiting groove (13) to lock the feeding tensioning shaft (7);
the fixed part of pay-off tensioning axle (7) rotates with the linkage slewing mechanism and is connected, the linkage slewing mechanism is connected with the driving pulley of conveyer belt subassembly (6) for linkage pay-off tensioning axle (7) rotates.
3. The feeding device for the overlock machine with the adjustable feeding rate according to claim 2, characterized in that the linkage rotating mechanism comprises a second gear (11) and a first gear (10) which are connected in a meshed mode, and the second gear (11) and the first gear (10) are fixedly connected with a driving belt wheel of the conveyor belt assembly (6) and the end portion of a fixing portion of the feeding tensioning shaft (7) respectively.
4. The feeding device for the overlock machine with the adjustable feeding rate according to claim 1, wherein a discharging tensioning mechanism (3) is further arranged at a gap between the winding shaft (4) and the conveying belt assembly (6), the discharging tensioning mechanism (3) comprises a first discharging tensioning shaft (31), a second discharging tensioning shaft (32), a first sliding block (33) and a second sliding block (36), the second discharging tensioning shaft (32) is symmetrically arranged on two sides of the first discharging tensioning shaft (31), the height of the second discharging tensioning shaft (32) is lower than that of the conveying belt assembly (6), the end parts of the first discharging tensioning shaft (31) and the second discharging tensioning shaft (32) are respectively rotatably connected with the second sliding block (36) and the first sliding block (33), and the second sliding block (36) and the first sliding block (33) are slidably connected with the frame (1), and a screw rod (37) which is perpendicular to the first discharging tensioning shaft (31) is inserted into the second sliding block (36), and the screw rod (37) is rotatably arranged and is in threaded connection with the second sliding block (36).
5. The feeding device for the overlock machine with the adjustable feeding rate according to claim 4, wherein the first discharging tensioning shaft (31) and the second discharging tensioning shaft (32) are further connected through a linkage adjusting mechanism, the linkage adjusting mechanism comprises a hydraulic rod (34) and a connecting seat (35), two sides of the connecting seat (35) are hinged to a first sliding block (33) and a second sliding block (36) through the hydraulic rod (34), and side walls, perpendicular to each other, of the connecting seat (35) and the hydraulic rod (34) are further connected with the frame (1) in a rotating mode through a connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220185425.4U CN216947424U (en) | 2022-01-24 | 2022-01-24 | Material feeding unit for serger of adjustable pay-off speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220185425.4U CN216947424U (en) | 2022-01-24 | 2022-01-24 | Material feeding unit for serger of adjustable pay-off speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216947424U true CN216947424U (en) | 2022-07-12 |
Family
ID=82315850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220185425.4U Expired - Fee Related CN216947424U (en) | 2022-01-24 | 2022-01-24 | Material feeding unit for serger of adjustable pay-off speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216947424U (en) |
-
2022
- 2022-01-24 CN CN202220185425.4U patent/CN216947424U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220712 |
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| CF01 | Termination of patent right due to non-payment of annual fee |