CN212426380U - Feeding mechanism suitable for sewing thick mattress fabric - Google Patents
Feeding mechanism suitable for sewing thick mattress fabric Download PDFInfo
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- CN212426380U CN212426380U CN201922087389.9U CN201922087389U CN212426380U CN 212426380 U CN212426380 U CN 212426380U CN 201922087389 U CN201922087389 U CN 201922087389U CN 212426380 U CN212426380 U CN 212426380U
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Abstract
The utility model discloses a feeding mechanism suitable for sewing thick fabrics of a mattress, which is fixedly connected with a sewing machine head through a bracket and comprises a lifting mechanism and a conveying mechanism, wherein the conveying mechanism is arranged on the bracket through the lifting mechanism, and the lifting mechanism can drive the conveying mechanism to lift; the conveying mechanism comprises a side plate, a feeding motor, a rotating shaft, a belt pulley and a conveying belt; at least two rotating shafts are arranged on the side plates in parallel, and the two ends of each rotating shaft are provided with the belt pulleys; the belt pulley is provided with the conveying belt. The utility model discloses a conveyer belt of symmetry carries out centre gripping transmission to the surface fabric, compares its span bigger with the gyro wheel pay-off, and the contact changes into the face contact by the line, and the pay-off is more stable more accurate.
Description
Technical Field
The utility model relates to a sewing machine's subassembly especially relates to a feeding mechanism when being applicable to the sewing of the thick surface fabric of mattress.
Background
The conventional largest mattress on the market is 220cmx220cm, however, the mattress fabric has thickness which is conventionally from 10mm to 80mm, and the thickness depends on the material of the fabric. At present, the conventional method for sewing four sides of mattress fabric in a factory is to feed and sew the four sides of the mattress fabric by an industrial sewing machine and the assistance of hands, and the sewing effect depends on the proficiency of operators and has great limitation.
When sewing thin fabrics, a feeding mechanism is provided, but the feeding mechanism is only suitable for thin fabrics. A pair of rollers are additionally arranged right behind a sewing needle of a sewing machine and respectively press fabrics, and the rotating speed of the surfaces of the rollers is synchronous with the sewing speed of the sewing machine, so that the fabrics can be conveyed forwards at the same sewing speed. The pair of rollers presses the fabric to convey forwards, and the rollers are only in line contact with the fabric, so that the pair of rollers is only suitable for thin and light fabrics, wrinkles are easily generated on thick and heavy fabrics, and stable feeding is influenced.
Disclosure of Invention
The utility model aims to solve the technical problem that a feeding mechanism when being applicable to the sewing of the thick surface fabric of mattress is provided, can carry out centre gripping transmission to thick surface fabric, and the pay-off is more stable more accurate.
In order to solve the technical problem, the utility model provides a feeding mechanism suitable for sewing thick fabrics of a mattress, which is fixedly connected with a sewing machine head through a bracket and comprises a lifting mechanism and a conveying mechanism, wherein the conveying mechanism is arranged on the bracket through the lifting mechanism, and the lifting mechanism can drive the conveying mechanism to lift; the conveying mechanism comprises a side plate, a feeding motor, a rotating shaft, a belt pulley and a conveying belt;
at least two rotating shafts are arranged on the side plates in parallel, and the two ends of each rotating shaft are provided with the belt pulleys; the belt pulley is provided with the conveying belt.
As an improvement of the above scheme, the lifting mechanism comprises a guide rail fixing seat connected with the side plate and a linear guide rail vertically arranged on the support, and the guide rail fixing seat is matched with the linear guide rail.
As an improvement of the scheme, the lifting mechanism further comprises an adjustable cylinder which is connected with the support and the side plate at the same time, and a piston rod of the adjustable cylinder can stretch out and draw back to drive the side plate to lift relative to the support.
As an improvement of the above scheme, the conveying mechanism further comprises a tensioning mechanism, the tensioning mechanism is arranged at one end of the side plate and comprises a movable tensioning wheel, the tensioning wheel is in contact with the conveying belt, and the tensioning force of the conveying belt is adjusted by adjusting the total length of the conveying belt.
As an improvement of the above scheme, the tensioning mechanism further comprises a tensioning seat, the tensioning seat is connected with the side plate through a guide strip, a tensioning rotating shaft is arranged on the tensioning seat, the tensioning wheel is arranged on the tensioning rotating shaft, and the conveying belt is arranged around the tensioning wheel and the corresponding belt pulley.
As the improvement of above-mentioned scheme, still be equipped with the tensioning bolt on the tensioning seat, tensioning bolted connection tensioning seat and curb plate, through the rotation the distance of tensioning seat and curb plate can be adjusted to the tensioning spiral to the tensile force of adjustment conveyer belt.
As the improvement of the scheme, the feeding motor is arranged above the tensioning seat and is connected with the tensioning rotating shaft through a belt.
As an improvement of the scheme, the base of the conveying mechanism is composed of two side plates arranged in parallel and a connecting plate for connecting the two side plates, and a crease-resistant tensioning wheel is arranged between the two side plates.
As an improvement of the scheme, the crease-resistant tension wheel is arranged right behind the sewing needle, and the two conveyer belts are positioned on two sides of the crease-resistant tension wheel.
As an improvement of the scheme, an auxiliary pressing wheel is further arranged in the conveying belt.
Implement the utility model discloses, following beneficial effect has:
the utility model discloses a conveyer belt of symmetry carries out centre gripping transmission to the surface fabric, compares its span bigger with the gyro wheel pay-off, and the contact changes into the face contact by the line, and the pay-off is more stable more accurate.
The utility model discloses an adjustable cylinder, guide rail fixing base and linear guide's cooperation can adjust suitable stroke that pushes down according to surface fabric thickness and surface fabric material, is suitable for the surface fabric that thickness is 10mm-80mm, and application scope is wide, powerful.
The utility model discloses the crease-resistance take-up pulley that sets up can prevent to influence the sewing needle sewing because the resistance produces the fold too greatly at the pay-off process, the crease-resistance take-up pulley can keep off the fold that the surface fabric produced at its rear, guarantees that the surface fabric between crease-resistance take-up pulley and the sewing needle is smooth-going neat.
Drawings
FIG. 1 is a schematic view of the working state of the feeding mechanism of the present invention when sewing thick materials for mattress;
FIG. 2 is a schematic structural view of a feeding mechanism of a first embodiment of the present invention for sewing thick materials of a mattress;
fig. 3 is a schematic structural view of a feeding mechanism according to a second embodiment of the present invention, which is suitable for sewing thick materials for mattresses.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. Only this statement, the utility model discloses the upper and lower, left and right, preceding, back, inside and outside etc. position words that appear or will appear in the text only use the utility model discloses an attached drawing is the benchmark, and it is not right the utility model discloses a concrete restriction.
As shown in fig. 1 and fig. 2, a first embodiment of the present invention provides a feeding mechanism suitable for sewing thick fabric on a mattress, which is fixedly connected to a sewing machine head 4 through a support 3, and includes a lifting mechanism 1 and a conveying mechanism 2, wherein the conveying mechanism 2 is mounted on the support 3 through the lifting mechanism 1, and the lifting mechanism 1 can drive the conveying mechanism 2 to lift; the conveying mechanism 2 comprises a side plate 21, a feeding motor 22, rotating shafts (23a, 23b), a belt pulley 24 and a conveying belt 25;
at least two rotating shafts (23a, 23b) are arranged on the side plate 21 in parallel, and the two ends of the rotating shafts are provided with the belt pulleys 24; the belt pulley 24 is provided with a conveying belt 25. The sewing head 4 may be a conventional main part for performing sewing, and sews the fabric by driving a needle through which a sewing thread is passed repeatedly through the fabric.
This embodiment adopts symmetrical conveyer belt 25 to carry out centre gripping transmission to the surface fabric, compares its span with the gyro wheel pay-off and is bigger, and the contact changes into face contact by the line, and the pay-off is more stable more accurate.
Wherein, elevating system 1 include with the guide rail fixing base 11 that curb plate 21 is connected, and vertically locate linear guide 12 on the support 3, guide rail fixing base 11 with linear guide 12 cooperates. The lifting mechanism 1 further comprises an adjustable cylinder 13 which is connected with the support 3 and the side plate 21 at the same time, and a piston rod of the adjustable cylinder 13 can stretch and retract so as to drive the side plate 21 to lift relative to the support 3. Through the cooperation of the adjustable cylinder 13, the guide rail fixing seat 11 and the linear guide rail 12, the appropriate pressing stroke can be adjusted according to the thickness of the fabric and the material of the fabric, the adjustable linear guide rail is suitable for the fabric with the thickness of 10mm-80mm, and the adjustable linear guide rail is wide in application range and powerful in function.
The base of the conveying mechanism 2 is composed of two parallel side plates 21 and a connecting plate 26 connecting the two side plates 21. The feeding motor 22 is fixedly arranged on the base, is connected with the rotating shaft 23a through a belt 27, and drives the conveying belt 25 to rotate through the rotating shaft 23a and the belt pulley 24.
Preferably, a crease-resistant tension wheel 28 is arranged between the two side plates 21. The wrinkle-resistant tension wheel 28 is arranged in the rotating shaft 23b positioned in front and can rotate synchronously with the rotating shaft 23 b. The crease-resistant tension wheel 28 is arranged right behind the sewing needle, and the two conveyer belts 25 are positioned on two sides of the crease-resistant tension wheel 28. The crease-resistant tension wheel 28 is arranged, so that the phenomenon that the sewing of the sewing needle is affected by the generation of creases due to too large resistance in the feeding process can be prevented, the creases generated by the fabric can be blocked behind the crease-resistant tension wheel 28, and the smoothness and the orderliness of the fabric between the crease-resistant tension wheel 28 and the sewing needle are guaranteed.
Preferably, the conveying belt 25 is further provided with an auxiliary pressing wheel 29, so that the conveying belt 25 on the lower side can apply uniform pressure on the fabric, and the conveying is more stable.
With reference to fig. 3, according to the second embodiment of the present invention, it is different from the first embodiment in that, in order to ensure that the conveying belt 25 is kept tensioned during long-term use, the conveying mechanism 2 further includes a tensioning mechanism 5. The tension mechanism 5 is provided at one end of the side plate 21, and includes a movable tension pulley 51, and the tension pulley 51 is in contact with the conveyor belt 25 to adjust the tension of the conveyor belt 25 by adjusting the total length of the conveyor belt 25. Specifically, the tensioning mechanism 5 further includes a tensioning seat 52, the tensioning seat 52 is connected to the side plate 21 through a guide bar 53, a tensioning rotating shaft 54 (which replaces the rotating shaft 23a in the first embodiment) is disposed on the tensioning seat 52, the tensioning wheel 51 is disposed on the tensioning rotating shaft 54, and the conveying belt 25 is disposed around the tensioning wheel 51 and the corresponding belt pulley 24. The conducting bar 53 is provided with a strip-shaped connecting hole 531, and the tensioning seat 52 can be fixed at different positions of the connecting hole 531 through bolts. The tensioning seat 52 is further provided with a tensioning bolt 55, the tensioning bolt 55 is connected with the tensioning seat 52 and the side plate 21, and the distance between the tensioning seat 52 and the side plate 21 can be adjusted by rotating the tensioning bolt 55, so that the tensioning force of the conveying belt 25 can be adjusted.
The tensioning seat 52 is provided with the feeding motor 22 above, the feeding motor 22 is fixedly arranged on the base and is connected with the tensioning rotating shaft 54 through a belt 27. During adjustment of the tensioning seat 52, the tensioning rotary shaft 54 is caused to move away from or close to the base, and the belt 27 is used to connect the tensioning rotary shaft 54 and the feeding motor 22, so that the tensioning rotary shaft 54 can be allowed to move to a certain extent to meet the adjustment requirement.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and decorations can be made without departing from the principle of the invention, and these modifications and decorations are also regarded as the protection scope of the present invention.
Claims (9)
1. A feeding mechanism suitable for sewing thick mattress fabrics is fixedly connected with a sewing machine head through a bracket and is characterized by comprising a lifting mechanism and a conveying mechanism, wherein the conveying mechanism is arranged on the bracket through the lifting mechanism and can drive the conveying mechanism to lift; the conveying mechanism comprises a side plate, a feeding motor, a rotating shaft, a belt pulley and a conveying belt;
at least two rotating shafts are arranged on the side plates in parallel, and the two ends of each rotating shaft are provided with the belt pulleys; the belt pulley is provided with the conveying belt.
2. The feeding mechanism suitable for sewing thick materials of a mattress according to claim 1, wherein the lifting mechanism comprises a guide rail fixing seat connected with the side plate and a linear guide rail vertically arranged on the bracket, and the guide rail fixing seat is matched with the linear guide rail.
3. The feeding mechanism for sewing thick materials on a mattress according to claim 2, wherein the lifting mechanism further comprises an adjustable cylinder connected with the support and the side plate at the same time, and a piston rod of the adjustable cylinder can extend and retract to drive the side plate to lift relative to the support.
4. The feeding mechanism for sewing thick materials on a mattress according to claim 1, wherein the feeding mechanism further comprises a tensioning mechanism, the tensioning mechanism is arranged at one end of the side plate and comprises a movable tensioning wheel, the tensioning wheel is in contact with the conveying belt, and the tensioning force of the conveying belt is adjusted by adjusting the total length of the conveying belt.
5. The feeding mechanism for sewing thick materials on a mattress according to claim 4, wherein said tensioning mechanism further comprises a tensioning seat, said tensioning seat is connected to said side plate through a guide strip, said tensioning seat is provided with a tensioning shaft, said tensioning shaft is provided with said tensioning wheel, and said conveying belt is disposed around said tensioning wheel and a corresponding belt pulley.
6. The feeding mechanism for sewing thick materials for a mattress according to claim 5, wherein a tensioning bolt is further provided on the tensioning seat, the tensioning bolt connects the tensioning seat and the side plate, and the distance between the tensioning seat and the side plate can be adjusted by rotating the tensioning bolt, so as to adjust the tensioning force of the conveying belt.
7. The feeding mechanism for sewing thick materials for mattresses according to claim 6, characterized in that the feeding motor is arranged above the tensioning seat and connected with the tensioning rotating shaft through a belt.
8. The feeding mechanism for sewing thick materials for mattresses according to claim 1, characterized in that the base of the feeding mechanism is composed of two side plates arranged in parallel and a connecting plate connecting the two side plates, and a crease-resistant tension wheel is arranged between the two side plates.
9. The feeding mechanism for sewing thick materials for mattresses according to claim 1, characterized in that the conveying belt is further provided with auxiliary pinch rollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922087389.9U CN212426380U (en) | 2019-11-27 | 2019-11-27 | Feeding mechanism suitable for sewing thick mattress fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922087389.9U CN212426380U (en) | 2019-11-27 | 2019-11-27 | Feeding mechanism suitable for sewing thick mattress fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212426380U true CN212426380U (en) | 2021-01-29 |
Family
ID=74275978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922087389.9U Active CN212426380U (en) | 2019-11-27 | 2019-11-27 | Feeding mechanism suitable for sewing thick mattress fabric |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212426380U (en) |
-
2019
- 2019-11-27 CN CN201922087389.9U patent/CN212426380U/en active Active
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