Cloth overlock width adjustable overlock machine

Abstract

The utility model relates to the field of overlock sewing machines, and discloses an overlock sewing machine with adjustable cloth overlock sewing width, which comprises an overlock sewing device, the front side of the overlock sewing device is fixedly connected with a fixed box, the right side of the fixed box is fixedly connected with a gear motor, and the output end of the gear motor penetrates into the fixed box and is fixedly connected with a bevel gear. A bevel gear is arranged in the fixing box, a bevel gear sleeve is hinged to the interior of the fixing box through a shaft rod, the bevel gear is meshed with the bevel gear sleeve, arc-shaped grooves are formed in the front face and the back face of the bevel gear sleeve, a concave plate is arranged on the surface of the bevel gear sleeve in a sleeving mode, and sliding rods are fixedly connected to the front side and the back side of the right end of the concave plate. According to the edge trimming device, the gear motor and the bevel gear drive the sliding rod to move through the bevel gear sleeve and the arc-shaped groove, then the sliding rod drives the transmission box and the cutting plate to move to a proper position, and finally the transmission motor drives the cutting plate to trim cloth through the eccentric wheel, so that the advantage that the edge locking width is convenient to adjust is achieved.

Description

Technical Field

[0001] The utility model relates to the field of edge locking machines, in particular to an edge locking machine with adjustable cloth edge locking width. Background Art

[0002] The overlock machine is a highly efficient sewing machine, mainly used for the automated sewing of edges and corners of clothing, bed sheets, curtains and other objects. Its product structure mainly includes needles, sewing threads, drive motors, control panels, power supplies and other parts.

[0003] An overlock machine is a sewing device in which stitches are constantly interlaced. The device can sew the edges of fabrics and prevent them from decomposing. When overlocking different fabrics, the requirements for the overlock width are also different. However, the cutting blades of current overlock machines are fixed with bolts, and their positions cannot be adjusted quickly, which is time-consuming and labor-intensive, and it is not convenient for the needle to sew fabric edges of different widths.

[0004] Therefore, a fabric edge-locking machine with adjustable edge-locking width is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a fabric edge-locking machine with adjustable edge-locking width, aiming to improve the problem that the existing edge-locking machine is inconvenient to adjust the edge-locking width.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] The transmission box is fixedly connected to the right side of the inner wall of the transmission box, and the output end of the transmission motor is fixedly connected to the inner wall of the transmission box, and the output end of the transmission motor passes through the inner wall of the transmission box and is fixedly connected to the bevel gear. The inner wall of the transmission box is hinged with a bevel gear sleeve through a shaft rod, and the bevel gear is meshed with the bevel gear sleeve. The front and back sides of the bevel gear sleeve are provided with an arc groove, and the surface of the bevel gear sleeve is sleeved with a concave plate. The front and rear sides of the right end of the concave plate are fixedly connected with a sliding rod, and the sliding rod is slidably connected to the inner wall of the arc groove. The left side of the concave plate is fixedly connected with a transmission box, and the right side of the inner wall of the transmission box is fixedly connected with a transmission motor. The output end of the transmission motor is fixedly connected with an eccentric wheel, and the surface of the eccentric wheel is slidably sleeved with a cutting plate, and the top of the cutting plate passes through the top of the transmission box. A collecting assembly is provided at the bottom of the fixed box, and a supporting assembly is provided at the top of the transmission box.

[0008] As a further description of the above technical solution:

[0009] The collecting component includes a sleeve plate, which is fixedly connected to the bottom of the front surface of the fixed box. The rear end of the sleeve plate is fixedly connected to the surface of the edge-locking device. A collecting box is slidably connected inside the sleeve plate, and a trapezoidal rod is fixedly connected to the right side of the collecting box;

[0010] As a further description of the above technical solution:

[0011] The supporting component includes a scale plate, which is fixedly connected to the top of the transmission box, and the bottom of the scale plate contacts the top of the fixed box;

[0012] As a further description of the above technical solution:

[0013] A limiting sleeve is fixedly connected to the top of the fixed box, and the limiting sleeve is slidably sleeved on the surface of the scale plate;

[0014] As a further description of the above technical solution:

[0015] On the front side and the rear side of the inner wall top of the fixed box, baffles are fixedly connected, and the surface of the baffle contacts the surface of the bevel gear sleeve;

[0016] As a further description of the above technical solution:

[0017] On the front side and the rear side of the inner wall of the transmission box, positioning sleeves are fixedly connected, and the positioning sleeves are sleeved on the surface of the cutting plate;

[0018] As a further description of the above technical solution:

[0019] A protective net cover is fixedly connected to the right side of the fixed box, and the protective net cover is sleeved on the surface of the reduction motor;

[0020] As a further description of the above technical solution:

[0021] A circular groove is formed on the left side of the inner wall of the transmission box, and the left end of the eccentric wheel is slidably connected inside the circular groove through a connecting rod.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, the reduction motor and the bevel gear drive the slide bar to move through the bevel gear sleeve and the arc groove, then the slide bar drives the transmission box and the cutting plate to move to a proper position, and finally the transmission motor drives the cutting plate to trim the cloth through the eccentric wheel, achieving the advantage of convenient adjustment of the edge-locking width, facilitating the leaving of cloth edges with different widths, and saving time and effort.

[0024] 2. In the utility model, by setting the cooperation of the sleeve plate, the collecting box and the trapezoidal rod, the cut-off cloth can be collected, facilitating the user to uniformly process the waste materials and preventing the phenomenon of waste materials falling to the ground. Brief Description of the Drawings

[0025] Figure 1 Fig. 1 is a three-dimensional schematic view of an edge locking machine with adjustable edge locking width for fabrics proposed by the present utility model;

[0026] Figure 2 Fig. 2 is a sectional schematic view of a fixed box of an edge locking machine with adjustable edge locking width for fabrics proposed by the present utility model;

[0027] Figure 3 Fig. 3 is a structural schematic view of a bevel gear sleeve of an edge locking machine with adjustable edge locking width for fabrics proposed by the present utility model;

[0028] Figure 4 Fig. 4 is a structural schematic view of a cutting plate of an edge locking machine with adjustable edge locking width for fabrics proposed by the present utility model.

[0029] Legend:

[0030] 1. Edge locking device; 2. Fixed box; 3. Reducing motor; 4. Bevel gear; 5. Bevel gear sleeve; 6. Arc groove; 7. Concave plate; 8. Slide bar; 9. Transmission box; 10. Transmission motor; 11. Eccentric wheel; 12. Cutting plate; 13. Sleeve plate; 14. Collection box; 15. Trapezoidal rod; 16. Scale plate; 17. Limiting sleeve; 18. Baffle; 19. Positioning sleeve; 20. Protective net cover; 21. Circular groove. Detailed Description of the Preferred Embodiment

[0031] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0032] Refer to Figures 1-3, an embodiment provided by the present utility model: a hemming machine with adjustable hemming width for fabrics, including a hemming device 1, which is a common hemming machine on the market; a fixed box 2 is fixedly connected to the front of the hemming device 1, a reduction motor 3 is fixedly connected to the right side of the fixed box 2, a protective mesh cover 20 is fixedly connected to the right side of the fixed box 2, and the protective mesh cover 20 is sleeved on the surface of the reduction motor 3. By setting the protective mesh cover 20, the surface of the reduction motor 3 can be protected to prevent the phenomenon of foreign objects colliding with the reduction motor 3; the output end of the reduction motor 3 penetrates into the interior of the fixed box 2 and is fixedly connected to a bevel gear 4, a bevel gear sleeve 5 is hinged to the interior of the fixed box 2 through a shaft rod, and baffles 18 are fixedly connected to the front and rear sides of the top inner wall of the fixed box 2. The surface of the baffle 18 contacts the surface of the bevel gear sleeve 5. By setting the baffle 18, the bevel gear sleeve 5 can be limited, improving the stability of the bevel gear sleeve 5 during rotation; the bevel gear 4 meshes with the bevel gear sleeve 5, arc-shaped grooves 6 are formed on the front and back surfaces of the bevel gear sleeve 5, a concave plate 7 is sleeved on the surface of the bevel gear sleeve 5, sliding rods 8 are fixedly connected to the front and rear sides of the right end of the concave plate 7, and the sliding rods 8 are slidably connected to the interior of the arc-shaped grooves 6;

[0033] A transmission box 9 is fixedly connected to the left side of the concave plate 7. A transmission motor 10 is fixedly connected to the right side of the inner wall of the transmission box 9. An eccentric wheel 11 is fixedly connected to the output end of the transmission motor 10. A circular groove 21 is formed on the left side of the inner wall of the transmission box 9. The left end of the eccentric wheel 11 is slidably connected to the interior of the circular groove 21 through a connecting rod. By setting the circular groove 21, the left end of the eccentric wheel 11 can be supported, improving the stability of the eccentric wheel 11; a cutting plate 12 is slidably sleeved on the surface of the eccentric wheel 11. Positioning sleeves 19 are fixedly connected to the front and rear sides of the inner wall of the transmission box 9. The positioning sleeves 19 are sleeved on the surface of the cutting plate 12. By setting the positioning sleeves 19, the cutting plate 12 can be limited, improving the stability of the cutting plate 12 during movement; the top end of the cutting plate 12 penetrates to the top of the transmission box 9.

[0034] Refer to Figures 1-3 , a collection component is arranged at the bottom of the fixed box 2. The collection component includes a sleeve plate 13, the sleeve plate 13 is fixedly connected to the bottom of the front of the fixed box 2, the rear end of the sleeve plate 13 is fixedly connected to the surface of the hemming device 1, a collection box 14 is slidably connected to the interior of the sleeve plate 13, and a trapezoidal rod 15 is fixedly connected to the right side of the collection box 14. By setting the cooperation of the sleeve plate 13, the collection box 14 and the trapezoidal rod 15, the cut fabrics can be collected, facilitating the user to uniformly process the waste materials and preventing the waste materials from falling to the ground.

[0035] Refer to Figures 2-4, a support assembly is provided at the top of the transmission case 9. The support assembly includes a scale plate 16. The scale plate 16 is fixedly connected to the top of the transmission case 9. The bottom of the scale plate 16 contacts the top of the fixed case 2. By providing the scale plate 16, the transmission case 9 can be limited in position, and at the same time, it is convenient for the user to observe the moving distance of the transmission case 9. A limit sleeve 17 is fixedly connected to the top of the fixed case 2. The limit sleeve 17 is slidably sleeved on the surface of the scale plate 16. By providing the limit sleeve 17, the scale plate 16 can be limited in position, improving the stability of the scale plate 16.

[0036] Working principle: The user first starts the reduction motor 3. The reduction motor 3 drives the bevel gear 4 to rotate. The bevel gear 4 drives the bevel gear sleeve 5 to rotate. The bevel gear sleeve 5 pushes the slide bar 8 to the right through the arc-shaped groove 6. The slide bar 8 drives the transmission case 9 and the cutting plate 12 to move to the right, so as to adjust the distance between the cutting plate 12 and the sewing needle. When the cutting plate 12 reaches the appropriate position, the reduction motor 3 is turned off. Then the fabric is placed inside the edge-locking device 1. The driving motor 10 and the edge-locking device 1 are started. The driving motor 10 drives the cutting plate 12 to reciprocate up and down through the eccentric wheel 11. The cutting plate 12 trims the fabric, and then the edge-locking device 1 sews and locks the edge of the fabric, thus achieving the effect of conveniently adjusting the edge-locking width.

[0037] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A cloth edge-locking machine with adjustable edge-locking width, comprising an edge-locking device (1), characterized in that: The front side of the edge locking device (1) is fixedly connected to a fixed box (2), the right side of the fixed box (2) is fixedly connected to a reduction motor (3), the output end of the reduction motor (3) passes through the interior of the fixed box (2) and is fixedly connected to a bevel gear (4), the interior of the fixed box (2) is hinged with a bevel gear sleeve (5) through a shaft rod, the bevel gear (4) is meshed with the bevel gear sleeve (5), the front and back sides of the bevel gear sleeve (5) are both provided with arc grooves (6), the surface of the bevel gear sleeve (5) is sleeved with a concave plate (7), the front and rear sides of the right end of the concave plate (7) are both fixedly connected to A slide rod (8) is connected, and the slide rod (8) is slidably connected to the inside of the arc groove (6). The left side of the concave plate (7) is fixedly connected to a transmission box (9), and the right side of the inner wall of the transmission box (9) is fixedly connected to a transmission motor (10). The output end of the transmission motor (10) is fixedly connected to an eccentric wheel (11), and the surface of the eccentric wheel (11) is slidably sleeved with a cutting plate (12), and the top of the cutting plate (12) passes through the top of the transmission box (9). A collecting component is arranged at the bottom of the fixed box (2), and a supporting component is arranged at the top of the transmission box (9).

2. The cloth edge-locking machine with adjustable edge-locking width according to claim 1, characterized in that: The collecting assembly comprises a sleeve plate (13), wherein the sleeve plate (13) is fixedly connected to the bottom of the front side of the fixing box (2), the rear end of the sleeve plate (13) is fixedly connected to the surface of the edge locking device (1), the interior of the sleeve plate (13) is slidably connected to a collecting box (14), and the right side of the collecting box (14) is fixedly connected to a trapezoidal rod (15).

3. The edge-locking machine with adjustable edge-locking width of fabric according to claim 1, characterized in that: The support assembly comprises a scale plate (16), the scale plate (16) is fixedly connected to the top of the transmission box (9), and the bottom of the scale plate (16) is in contact with the top of the fixed box (2).

4. The cloth edge-locking machine with adjustable edge-locking width according to claim 3, characterized in that: The top of the fixed box (2) is fixedly connected to a limiting sleeve (17), and the limiting sleeve (17) is slidably sleeved on the surface of the scale plate (16).

5. The edge-locking machine with adjustable edge-locking width of fabric according to claim 1, characterized in that: The front side and the rear side of the top of the inner wall of the fixed box (2) are both fixedly connected with a baffle (18), and the surface of the baffle (18) is in contact with the surface of the bevel gear sleeve (5).

6. The cloth edge-locking machine with adjustable edge-locking width according to claim 1, characterized in that: The front side and the rear side of the inner wall of the transmission box (9) are both fixedly connected with a positioning sleeve (19), and the positioning sleeve (19) is sleeved on the surface of the cutting plate (12).

7. The cloth edge-locking machine with adjustable edge-locking width according to claim 1, characterized in that: A protective mesh cover (20) is fixedly connected to the right side of the fixed box (2), and the protective mesh cover (20) is sleeved on the surface of the reduction motor (3).

8. The cloth edge-locking machine with adjustable edge-locking width according to claim 1, characterized in that: A circular groove (21) is provided on the left side of the inner wall of the transmission box (9), and the left end of the eccentric wheel (11) is slidably connected to the inside of the circular groove (21) via a connecting rod.

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