Sewing machine for processing of fabric

Abstract

The utility model discloses a sewing machine for material processing, including the body, be equipped with sewing mechanism on this body, its characterized in that: the body both sides are fixed with support frame, rotatablely be provided with the compression roller between two support frames, and the support frame is provided with the drive mechanism of making the compression roller slide up and down, still be equipped with the motor for driving the compression roller rotation on the support frame. In the utility model, the material is pre-pressed flat by the compression roller, avoiding wrinkles in the sewing process, and the compression roller has a large contact area with the material, which can ensure the flat delivery of the material, reduce the problem of stitch skewing or breaking, improve the sewing quality, and reduce the requirement for the operation skill of workers. At the same time, the height of the compression roller can be adjusted by the drive mechanism, making it highly adaptable and applicable to various materials from thin silk to denim.

Description

Technical Field

[0001] This utility model relates to the field of clothing processing equipment technology, and in particular to a sewing machine for clothing processing. Background Technology

[0002] A sewing machine is a machine that uses one or more sewing threads to create one or more stitches on fabric, so that one or more layers of fabric are interwoven or sewn together.

[0003] Traditional sewing machines rely on manual pushing of the fabric. In order for the needle to pierce the fabric more stably during the sewing process, the operator needs to manually pull the two sides of the needle piercing point to tighten the fabric at the needle piercing point. However, after the fabric on the machine is finished, the operator needs to pull the fabric again to move it to the next sewing point. Therefore, during the sewing process, the operator not only needs to repeatedly switch between prone and prone positions, but also, during the pulling and moving of the fabric, uneven force on one end is easy to occur, causing wrinkles to appear in the fabric during the movement, which affects the sewing process. Utility Model Content

[0004] The purpose of this invention is to provide a sewing machine for fabric processing in order to solve the above-mentioned problems.

[0005] The technical solution of this utility model is implemented as follows: This utility model provides a sewing machine for clothing processing, including a machine body with a sewing mechanism on the machine body. Support frames are fixed on both sides of the machine body, and a pressure roller is rotatably arranged between the two support frames. A drive mechanism for the pressure roller to slide up and down is provided on the support frame, and a motor for driving the pressure roller to rotate is also provided on the support frame.

[0006] In one embodiment, the driving mechanism includes a slide block and a locking member. The slide block is slidably mounted on a support frame. The pressure roller and the motor are both assembled between two slide blocks. The support frame has multiple slots, which are arranged in an arc shape and inclined outward from bottom to top. The slide block has a first limiting groove. One end of the locking member passes through the slide block, and the other end is slidably embedded in the first limiting groove. When the slide block slides to the point where the first limiting groove and the slots meet, the locking member is engaged at the overlap of the first limiting groove and the slots and abuts against the support frame between two adjacent slots.

[0007] In one embodiment, the slide block is further provided with a second limiting groove, which extends toward the insertion point of the locking member, and one end of the second limiting groove toward the locking member is connected to the first limiting groove. When the locking member is inserted into the end of the second limiting groove away from the first limiting groove, the slide block can slide freely up and down on the support frame.

[0008] In one embodiment, the support frame is provided with a guide groove, and the slide is fixed with a guide member, which is slidably embedded in the guide groove.

[0009] In one embodiment, the slide is equipped with a control handle for controlling its up-and-down sliding.

[0010] In one embodiment, the end of the control handle facing the slide is fixed to a locking member located in a first limiting groove, and the control handle is rotatably hinged to the slide.

[0011] In one embodiment, the first limiting groove and the second limiting groove are perpendicularly intersecting and connected.

[0012] In one embodiment, the slide block is further provided with an anti-detachment groove, and the control handle is fixedly provided with an anti-detachment component. The anti-detachment component is slidably embedded in the anti-detachment groove. When the locking component is located in the first limiting groove, the anti-detachment component abuts against the lowest end of the anti-detachment groove.

[0013] The advantages or beneficial effects of the above technical solutions include at least the following: In this invention, the pressure roller pre-presses the fabric flat, preventing wrinkles during sewing. The large contact area between the pressure roller and the fabric ensures smooth fabric transport, reducing stitch skewing or breakage and improving sewing quality. Furthermore, the automated fabric extraction of the pressure roller reduces manual intervention, increases sewing speed, and lowers the skill requirements for workers. The height of the pressure roller can be adjusted via a drive mechanism, making it highly adaptable to various fabrics, from tulle to denim. Attached Figure Description

[0014] The accompanying drawings illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the principles of the present invention. These drawings are included to provide a further understanding of the present invention and are incorporated in and constitute a part of this specification.

[0015] Figure 1 This is a three-dimensional structural diagram of the external body of the present invention.

[0016] Figure 2 for Figure 1 Enlarged schematic diagram of the structure of section A in the middle.

[0017] Figure 3 for Figure 2 Enlarged schematic diagram of section B in the middle.

[0018] Figure 4 This is a three-dimensional structural diagram of the external structure of the slide block in this utility model.

[0019] Reference numerals in the attached drawings: 1. Machine body; 2. Sewing mechanism; 3. Support frame; 31. Card slot; 32. Guide slot; 4. Pressure roller; 5. Drive mechanism; 51. Slide; 511. First limit slot; 512. Second limit slot; 52. Locking element; 6. Motor; 7. Control handle; 71. Anti-detachment slot; 8. Guide element; 9. Anti-detachment element. Detailed Implementation

[0020] Embodiments of the present invention will now be described in more detail with reference to the accompanying drawings. While some embodiments of the present invention are shown in the drawings, it should be understood that the present invention can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the present invention. It should be understood that the accompanying drawings and embodiments of the present invention are for illustrative purposes only and are not intended to limit the scope of protection of the present invention.

[0021] It should be noted that, where there is no conflict, the embodiments and features described in these embodiments can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0022] It should be understood that the term "comprising" and its variations as used herein are open-ended, meaning "including but not limited to". The term "based on" means "at least partially based on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". Definitions of other terms will be given in the following description. It should be noted that the concepts of "first", "second", etc., mentioned in this utility model are only used to distinguish different devices, modules, or units, and are not used to limit the order of functions performed by these devices, modules, or units or their interdependencies.

[0023] It should be noted that the terms "a" and "a plurality of" used in this utility model are illustrative rather than restrictive. Those skilled in the art should understand that, unless otherwise expressly indicated in the context, they should be understood as "one or more".

[0024] The names of the messages or information exchanged between the multiple devices in this embodiment of the invention are for illustrative purposes only and are not intended to limit the scope of these messages or information.

[0025] Reference Figure 1 and Figure 2A sewing machine for fabric processing includes a machine body 1, on which a sewing mechanism 2 is mounted. Support frames 3 are fixedly mounted on both sides of the machine body 1, and a pressure roller 4 is rotatably mounted between the two support frames 3. A drive mechanism 5 is mounted on each support frame 3 to allow the pressure roller 4 to slide up and down. A motor 6 is also mounted on each support frame 3 to drive the pressure roller 4 to rotate. In this configuration, during sewing, the motor 6 drives the pressure roller 4 to rotate, and the drive mechanism 5 controls the up and down sliding of the pressure roller 4. When the pressure roller 4 descends, the fabric is pressed between the pressure roller 4 and the table surface of the machine body 1. At this time, the force of the rotation of the pressure roller 4 can be transmitted to the fabric. Therefore, when the pressure roller 4 rotates, friction can be used to pull the fabric, and this pulling force can be evenly transmitted to the fabric located on the pressure roller 4. At the lower end, the fabric is manually pressed under the needle of the sewing mechanism 2 to keep it taut, making it easier for the needle to align and pierce, and preventing wrinkles during sewing. After the fabric under the needle is sewn, the pressure is released, and the entire fabric is conveyed outward by the pressure roller 4. When another piece of fabric to be sewn is conveyed to the needle, it is pressed and fixed. In this way, the worker only needs to fix the fabric with one hand while adjusting its direction with the other hand, and can also deal with other emergencies. The worker does not need to frequently switch between prone and prone positions during sewing, which not only improves sewing efficiency but also reduces the physical burden on the worker.

[0026] In one specific embodiment, the pressure roller 4 pre-presses the fabric flat to avoid wrinkles during sewing. The large contact area between the pressure roller 4 and the fabric ensures flat fabric transport, reduces stitch skewing or breakage, and improves sewing quality. Furthermore, the automated fabric extraction of the pressure roller 4 reduces manual intervention, increases sewing speed, and lowers the skill requirements for workers. In addition, the height of the pressure roller 4 can be adjusted by the drive mechanism 5, making it highly adaptable and suitable for various fabrics from yarn to denim.

[0027] In one specific embodiment, the machine body 1 consists of a tabletop, a support, and a base. The support consists of two sets of I-beam-shaped metal parts, which are fixed to the bottom of the tabletop by bolts. At the same time, the base is also fixed to the bottom of the support by bolts. The base can be set as a soft pad to prevent the support from directly contacting the ground, so as to avoid noise and damage when the support hits the ground. It can also be set as a caster wheel with self-locking to facilitate the movement of the entire machine body 1. The specific structure of the machine body 1 described above is common knowledge to those skilled in the art. Therefore, this utility model is not specifically presented in the form of reference numerals in the accompanying drawings.

[0028] In one specific embodiment, the sewing mechanism 2 includes a sewing machine, a crankshaft mechanism, and a foot pedal. The sewing machine is located on the table of the machine body 1, the crankshaft mechanism is located below the table, and the foot pedal is hinged between two supports and linked to the crankshaft mechanism above via a vertical pull rod. In this way, the operator can drive the sewing machine by stepping on the foot pedal. The specific structure of the sewing mechanism 2 described above is common knowledge to those skilled in the art, so this utility model is not specifically presented in the form of reference numerals in the accompanying drawings.

[0029] Reference Figures 1-4 The drive mechanism 5 includes a slide block 51 and a locking member 52. The slide block 51 is slidably mounted on the support frame 3. The pressure roller 4 and the motor 6 are both assembled between the two slide blocks 51. The support frame 3 has multiple slots 31, which are arranged in an arc shape and inclined outward from bottom to top. The slide block 51 has a first limiting groove 511. One end of the locking member 52 passes through the slide block 51, and the other end is slidably embedded in the first limiting groove 511. When the slide block 51 slides... When the slide block 51 moves to the point where the first limiting groove 511 and the slot 31 align, the locking member 52 engages with the overlapping point of the first limiting groove 511 and the slot 31, and abuts against the support frame 3 between two adjacent slots 31. With this configuration, the slide block 51 slides up and down along the arc-shaped slot 31 on the support frame 3, thereby adjusting the overall height of the pressure roller 4 and the motor 6. Furthermore, due to the outward arc design of the slot 31, the slide block 51 moves along a specific trajectory during sliding. As the slide moves upward toward the slot 31, the locking member 52 presses the support frame 3 tighter and tighter. The force generated by this pressure is converted into resistance that prevents the slide 51 from rising further. Therefore, during the sliding stroke of a single slot 31, the pressure of the locking member 52 on the support frame 3 increases as the slide 51 moves upward, making it more difficult for the slide 51 to continue sliding upward. This allows the locking member 52 to securely hold the slide 51 onto the support frame 3. When the slide 51 slides beyond the most protruding part of the slot 31, the locking member 52 breaks through and reaches the lowest point of the previous slot 31. At this time, the first limiting groove 511 on the slide 51 coincides with the slot 31 of the support frame 3. The locking member 52 simultaneously embeds into the overlapping part of the two and achieves double locking by abutting against the support frame 3 between adjacent slots 31. This further enhances the stability of the locking member 52 in fixing the slide 51 and prevents the slide 51 from shifting due to vibration of the machine body 1 during sewing.

[0030] In one specific embodiment, the locking member 52 is made of elastic metal, including but not limited to stainless steel elastic alloy or spring steel. In this invention, the arc-shaped groove 31 is designed to provide continuously adjustable height and angle adaptation, expanding the sewing scenarios for clothing. This makes the sewing machine of this invention applicable to sewing scenarios involving elastic clothing or requiring special pressing processes, enhancing the practicality of the sewing machine. At the same time, the mechanical embedding of the locking member 52 and the groove 31 in this invention forms a double limit, which, combined with the arc-shaped track of the support frame 3, effectively disperses the vibration load during the operation of the sewing machine, reduces component wear, and during the sewing process, positioning can be completed by single-point locking without the need for complex tools, meeting the requirements for rapid adjustment.

[0031] Reference Figure 2 and Figure 4 The slide block 51 is also provided with a second limiting groove 512, which extends toward the insertion point of the locking member 52. One end of the second limiting groove 512 toward the locking member 52 is connected to the first limiting groove 511. When the locking member 52 is inserted into the second limiting groove 512 at the end away from the first limiting groove 511, the slide block 51 can slide freely up and down on the support frame 3. With this configuration, the second limiting groove 512 on the slide block 51, connected to the first limiting groove 511, forms a dynamic linkage channel. When the locking member 52 is inserted into the second limiting groove 512 at the end away from the first limiting groove 511, the slide block 51 can slide freely up and down on the support frame 3. When one end of 11 is in contact with the locking member 52, it disengages from the slot 31 on the support frame 3. At this time, the slide 51 is in a free sliding mode and can slide up and down along the support frame 3 without resistance. Since the extension direction of the second limiting groove 512 is consistent with the movement trajectory of the locking member 52, when it is necessary to fix the slide 51, the locking member 52 slides back into the overlapping part of the first limiting groove 511 and the slot 31 of the support frame 3, and locks again through mechanical embedding. This double groove linkage mechanism reduces the need for external force intervention. The movement state of the slide 51 can be quickly changed by simply adjusting the position of the locking member 52.

[0032] In one specific embodiment, when the thickness of the processed fabric varies greatly, the locking member 52 can be slidably embedded into the second limiting groove 512, so that the slide 51 is in a free sliding mode to achieve rapid height adjustment. At the same time, the extension path of the second limiting groove 512 is connected to the first limiting groove 511 to form a physical guide, ensuring that the locking member 52 is only triggered to lock at a specific position, avoiding accidental jamming of the slide 51 due to operational deviation, increasing the operational fault tolerance of the device. In this embodiment, since the locking member 52 does not contact the slot 31 in the free sliding mode, the problem of increased fitting clearance caused by long-term friction is avoided, effectively extending the service life of the device.

[0033] Reference Figure 1 and Figure 2The support frame 3 has a guide groove 32, and the slide 51 is fixed with a guide member 8. The guide member 8 is slidably embedded in the guide groove 32. With this configuration, the guide groove 32 of the support frame 3 serves as the movement track of the guide member 8. The groove body forces the sliding direction of the guide member 8. Therefore, under the action of the guide member 8 and the guide groove 32, the slide 51 can only slide straight up and down along the support frame 3. At the same time, since the inner wall of the guide groove 32 is in close contact with the guide member 8, it can disperse the lateral load during the sliding process of the slide 51, so as to further strengthen the slide 51 against displacement and constrain its lateral displacement.

[0034] Reference Figure 2 and Figure 3 The slide 51 is equipped with a control handle 7 for controlling its up and down sliding. With this configuration, the control handle 7 can increase the contact area with the human body, and the control handle 7 extends outward toward the support frame 3, making it easier for the staff to control the control handle 7 and control the slide 51 to slide up and down.

[0035] Reference Figure 2 The end of the control handle 7 facing the slide 51 is fixed to the locking member 52 located in the first limiting groove 511, and the control handle 7 is rotatably hinged to the slide 51. With this configuration, the control handle 7 forms a rotation fulcrum with the slide 51 through the hinge point. When the operator turns the handle, the end fixed to the locking member 52 converts the rotational force into the linear motion of the locking member 52, causing the locking member 52 to move along the first limiting groove 511. Therefore, the operator can control the locking member 52 to slide along the first limiting groove 511 into the second limiting groove 512 through the control handle 7. That is, the movement state of the slide 51 can be switched by simply using the control handle 7.

[0036] In one specific embodiment, the sliding block 51 can be quickly switched between locking and unlocking by a single control handle 7, which makes the operation more convenient without the need for additional tools. Furthermore, the hinge design reduces the operating lever arm, and the operator only needs to rotate it at a small angle to complete the action so that the locking member 52 slides into the second limiting groove 512.

[0037] Reference Figure 4 The first limiting groove 511 and the second limiting groove 512 are vertically intersecting and connected. With this configuration, the first limiting groove 511 and the second limiting groove 512 form a linkage channel through the vertically intersecting connecting groove, allowing the locking member 52 to switch freely in the horizontal and vertical directions. When the locking member 52 moves along the first limiting groove 511 to the intersection point, the force of the mechanical rotation of the control handle 7 is converted to make the locking member 52 change direction and enter the second limiting groove 512, completing the state switch. Furthermore, when the locking member 52 enters the second limiting groove 512, the side wall of the intersecting groove can form a mechanical block to prevent the locking member 52 from accidentally disengaging, thus playing a physical limiting role.

[0038] Reference Figure 3 The slide block 51 is also provided with an anti-detachment groove 71, and the control handle 7 is fixed with an anti-detachment component 9. The anti-detachment component 9 is slidably embedded in the anti-detachment groove 71. When the locking component 52 is located in the first limiting groove 511, the anti-detachment component 9 abuts against the lowest end of the anti-detachment groove 71. With this setting, the anti-detachment component 9 forms a mechanical constraint on the control handle 7 by sliding into the anti-detachment groove 71. When the locking component 52 is located in the first limiting groove 511, the anti-detachment component 9 abuts against the lowest end of the anti-detachment groove 71. At this time, the control handle 7 cannot be flipped upward. Therefore, the slide block 51 can be directly moved upward by holding the control handle 7 to achieve fine height adjustment of the pressure roller 4. When it is necessary to unlock the slide block 51, the control handle 7 is flipped downward. At this time, the anti-detachment component 9 slides upward to the highest end of the anti-detachment groove 71, and the locking component 52 also successfully enters the second limiting groove 512. The operator can then control the control handle 7 to make the slide block 51 slide up and down to quickly adjust the height of the pressure roller 4.

[0039] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0040] Those skilled in the art should understand that the above embodiments are merely for clearly illustrating the present invention and are not intended to limit the scope of the present invention. Those skilled in the art can make other changes or modifications based on the above disclosure, and these changes or modifications still fall within the scope of the present invention.

Claims

1. A sewing machine for processing of fabric, comprising a machine body (1) provided with a sewing mechanism (2), characterized in that: The machine body (1) is fixedly provided with support frames (3) on both sides, and a pressure roller (4) is rotatably provided between the two support frames (3). A drive mechanism (5) is provided on the support frame (3) to allow the pressure roller (4) to slide up and down. A motor (6) for driving the pressure roller (4) to rotate is also provided on the support frame (3). The drive mechanism (5) includes a slide (51) and a locking member (52). The slide (51) is slidably mounted on the support frame (3). The pressure roller (4) and the motor (6) are both assembled between the two slides (51). The support frame (3) has multiple slots (31) which are arranged in an arc shape from bottom to top. The slide (51) has a first limiting groove (511). One end of the locking member (52) passes through the slide (51), and the other end is slidably embedded in the first limiting groove (511). When the slide (51) slides to the point where the first limiting groove (511) and the slot (31) meet, the locking member (52) is embedded in the overlapping point of the first limiting groove (511) and the slot (31) and abuts against the support frame (3) between two adjacent slots (31).

2. A sewing machine for processing of a material according to claim 1, characterized in that: The slide (51) is also provided with a second limiting groove (512), which extends toward the insertion point of the locking member (52), and one end of the second limiting groove (512) toward the locking member (52) is connected to the first limiting groove (511). When the locking member (52) is inserted into the end of the second limiting groove (512) away from the first limiting groove (511), the slide (51) can slide freely up and down on the support frame (3).

3. The sewing machine for processing of a material according to claim 1, wherein: The support frame (3) is provided with a guide groove (32), and the slide (51) is fixed with a guide (8), which is slidably embedded in the guide groove (32).

4. The sewing machine for processing of a service material according to claim 1, characterized in that: The slide (51) is equipped with a control handle (7) for controlling its up and down sliding.

5. A sewing machine for processing of material according to claim 4, characterized in that: The end of the control handle (7) facing the slide (51) is fixed to the locking member (52) located in the first limiting groove (511), and the control handle (7) is rotatably hinged to the slide (51).

6. A sewing machine for processing of material according to claim 2, characterized in that: The first limiting groove (511) and the second limiting groove (512) are perpendicularly connected.

7. A sewing machine for processing of material according to claim 5, characterized in that: The slide (51) is also provided with an anti-detachment groove (71), and the control handle (7) is fixedly provided with an anti-detachment component (9). The anti-detachment component (9) is slidably embedded in the anti-detachment groove (71). When the locking component (52) is located in the first limiting groove (511), the anti-detachment component (9) abuts against the lowest end of the anti-detachment groove (71).

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