Gravity quilt flat sewing equipment with pre-pressing structure

Abstract

The utility model discloses gravity quilt flat sewing equipment with a pre-pressing structure, which comprises a machine base, a flat sewing machine is fixedly connected to the upper surface of the machine base, a first mounting frame is fixedly connected to the upper surface of the machine base, a pre-pressing mechanism is arranged on the upper surface of the first mounting frame, and the pre-pressing mechanism is arranged on the lower surface of the machine base. The pre-pressing mechanism comprises a first air cylinder, a first push rod, a connecting plate, a scraping plate, an upper telescopic rod, a lower telescopic rod, a spring and a pressing plate, the upper surface of the first mounting frame is fixedly connected with the first air cylinder, the output end of the first air cylinder is fixedly connected with the first push rod, and the bottom end of the first push rod is fixedly connected with the connecting plate; the lower surface of the connecting plate is fixedly connected with the scraping plate, the two ends of the spring are fixedly connected with the connecting plate and the pressing plate respectively, the pre-pressing mechanism is arranged, the first push rod is controlled to extend through the first air cylinder, when the lower surface of the pressing plate makes contact with a quilt, the pressing plate continues to descend, and the spring can be continuously compressed till the quilt is pressed by the scraping plate; and the flatness of the quilt during flat sewing is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of sewing equipment, in particular to a gravity flat sewing equipment with a pre-pressing structure. Background Art

[0002] The flatbed sewing machine is also called a flat car, generally known as a single-needle flatbed sewing machine. The flatbed sewing machine can sew cotton, linen, silk, wool, synthetic fiber and other fabrics and leather, plastic, paper and other products. The stitches are neat, beautiful, flat and firm, and the sewing speed is fast. The gravity quilt is a quilt that can help people sleep deeply and relieve stress. The gravity quilt needs to be flat-sewn during the production process.

[0003] When performing flat sewing processing, the existing gravity flat sewing equipment generally pulls the cloth to facilitate the sewing head to sew the cloth. However, when pulling the cloth, the cloth sometimes wrinkles and needs to be flattened by a person, which affects the sewing efficiency. The existing gravity flat sewing equipment is not easy to adjust the thickness of the cloth to be processed, and cannot better process thicker cloth, which affects the sewing quality. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide a gravity quilt flat-sewing device with a pre-pressing structure. Through the first cylinder, the first push rod, the connecting plate, the scraper, the upper telescopic rod, the lower telescopic rod, the spring and the pressure plate, the first cylinder controls the extension of the first push rod, and when the lower surface of the pressure plate contacts the quilt and continues to descend, the spring will be continuously compressed until the scraper presses the quilt to ensure the flatness of the quilt during flat-sewing; through the auxiliary flattening mechanism, when flat-sewing is performed, the upper roller and the lower roller will further flatten and compact the quilt, which is convenient for sewing by the flat-sewing machine, and has good practicality.

[0005] The utility model also provides a gravity flat-sewing equipment with the above-mentioned pre-pressing structure, comprising: a machine base, the upper surface of the machine base is fixedly connected to a flat-sewing machine, the upper surface of the machine base is fixedly connected to a first mounting frame, the upper surface of the first mounting frame is provided with a pre-pressing mechanism, the pre-pressing mechanism comprises a first cylinder, a first push rod, a connecting plate, a scraper, an upper telescopic rod, a lower telescopic rod, a spring and a pressing plate, the upper surface of the first mounting frame is fixedly connected to the first cylinder, the output end of the first cylinder is fixedly connected to the first push rod, the bottom end of the first push rod is fixedly connected to the connecting plate, the lower surface of the connecting plate is fixedly connected to the scraper, the lower surface of the connecting plate is fixedly connected to the upper telescopic rod, the outer surface of the upper telescopic rod is slidably connected to the lower telescopic rod, the bottom end of the lower telescopic rod is fixedly connected to the pressing plate, the two ends of the spring are respectively fixedly connected to the connecting plate and the pressing plate, the upper surface of the machine base is fixedly connected to a second mounting frame, and the outer surface of the second mounting frame is provided with an auxiliary flattening mechanism.

[0006] According to the gravity flat-bed sewing equipment with a pre-pressing structure, the flat-bed sewing machine and the first cylinder are both electrically connected to an external power source.

[0007] According to the gravity flat seam sewing equipment with a pre-pressing structure, when the spring is in a naturally extended state, the bottom end height of the pressing plate is lower than the bottom end height of the scraper plate.

[0008] According to the gravity flat seaming equipment with a pre-pressing structure, the side surface of the pressing plate is fixedly connected with a protrusion, the upper surface of the machine base is fixedly connected with a guide rod, and the outer surface of the guide rod is slidably connected with the protrusion.

[0009] According to the gravity flat seam equipment with a pre-pressing structure, the auxiliary flattening mechanism includes a second cylinder, a second push rod, a connecting frame, an upper roller and a lower roller, the upper surface of the second mounting frame is fixedly connected to the second cylinder, the output end of the second cylinder is fixedly connected to the second push rod, the bottom end of the second push rod is fixedly connected to the connecting frame, and the two ends of the upper roller are rotatably connected to the connecting frame.

[0010] According to the gravity flat-sewing equipment with a pre-pressing structure, the upper surface of the machine base is provided with a groove, and the two ends of the lower roller are rotatably connected to the groove.

[0011] According to the gravity flat-sewing equipment with a pre-pressing structure, the second cylinder is electrically connected to an external power source, and the highest point of the lower roller is flush with the upper surface of the base.

[0012] According to the gravity flat sewing equipment with a pre-pressing structure, the auxiliary flattening mechanism is located between the flat sewing machine and the pre-pressing mechanism.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 This is a schematic diagram of the overall structure of a gravity flat-sewing device with a pre-pressing structure according to the utility model;

[0016] Figure 2 This is a schematic diagram of the pre-pressing mechanism structure of a gravity flat seam sewing device with a pre-pressing structure according to the utility model;

[0017] Figure 3 It is a schematic cross-sectional view of a partial structure of a pre-pressing mechanism of a gravity flat seam sewing device with a pre-pressing structure according to the utility model;

[0018] Figure 4 The utility model is a schematic diagram of the auxiliary leveling mechanism structure of a gravity flat seam sewing device with a pre-pressing structure.

[0019] Legend:

[0020] 1. Machine base; 2. Lockstitch sewing machine; 3. First mounting frame; 4. First cylinder; 5. First push rod; 6. Connecting plate; 7. Scraper; 8. Upper telescopic rod; 9. Lower telescopic rod; 10. Spring; 11. Pressing plate; 12. Bump; 13. Guide rod; 14. Second mounting frame; 15. Second cylinder; 16. Second push rod; 17. Connecting frame; 18. Upper roller; 19. Groove; 20. Lower roller. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Reference Figure 1-4 The utility model embodiment is a gravity flat sewing device with a pre-pressing structure, which includes: a machine base 1, a flat sewing machine 2 is fixedly connected to the upper surface of the machine base 1, a first mounting frame 3 is fixedly connected to the upper surface of the machine base 1, a pre-pressing mechanism is arranged on the upper surface of the first mounting frame 3, the pre-pressing mechanism includes a first cylinder 4, a first push rod 5, a connecting plate 6, a scraper 7, an upper telescopic rod 8, a lower telescopic rod 9, a spring 10 and a pressing plate 11, the flat sewing machine 2 and the first cylinder 4 are electrically connected to an external power supply, the upper surface of the first mounting frame 3 is fixedly connected to the first cylinder 4, the output end of the first cylinder 4 is fixedly connected to the first push rod 5, and the bottom end of the first push rod 5 is fixedly connected to the connecting plate 6, The lower surface of the connecting plate 6 is fixedly connected to the scraper 7, the lower surface of the connecting plate 6 is fixedly connected to the upper telescopic rod 8, the outer surface of the upper telescopic rod 8 is slidably connected to the lower telescopic rod 9, the bottom end of the lower telescopic rod 9 is fixedly connected to the pressing plate 11, and the two ends of the spring 10 are respectively fixedly connected to the connecting plate 6 and the pressing plate 11. When the spring 10 is in a naturally extended state, the bottom end height of the pressing plate 11 is lower than the bottom end height of the scraper 7. When the gravity quilt needs to be pre-pressed, the first push rod 5 is extended by the first cylinder 4. When the lower surface of the scraper 7 contacts the upper surface of the quilt, the pressing plate 11 has pressed the quilt under the action of the spring 10, and the pre-pressing height can be adjusted according to the thickness.

[0023] A protrusion 12 is fixedly connected to the side surface of the pressure plate 11, and a guide rod 13 is fixedly connected to the upper surface of the base 1. The outer surface of the guide rod 13 is slidably connected to the protrusion 12. When the first push rod 5 pushes the connecting plate 6 down, under the action of the protrusion 12 and the guide rod 13, it can be ensured that the pressure plate 11 only moves in the vertical direction, thereby playing a guiding role.

[0024] A second mounting frame 14 is fixedly connected to the upper surface of the machine base 1 , and an auxiliary smoothing mechanism is disposed on the outer surface of the second mounting frame 14 . The auxiliary smoothing mechanism is located between the sewing machine 2 and the pre-pressing mechanism. The auxiliary smoothing mechanism includes a second cylinder 15 . The second push rod 16, the connecting frame 17, the upper roller 18 and the lower roller 20, the upper surface of the second mounting frame 14 is fixedly connected to the second cylinder 15, the output end of the second cylinder 15 is fixedly connected to the second push rod 16, the bottom end of the second push rod 16 is fixedly connected to the connecting frame 17, the two ends of the upper roller 18 are rotatably connected to the connecting frame 17, the upper surface of the base 1 is provided with a groove 19, the two ends of the lower roller 20 are rotatably connected to the groove 19, the second cylinder 15 is electrically connected to an external power supply, the highest point of the lower roller 20 is flush with the upper surface of the base 1, the auxiliary flattening mechanism is located between the flat sewing machine 2 and the pre-pressing mechanism, the second push rod 16 is driven to extend by the second cylinder 15, so that the upper roller 18 and the lower roller 20 clamp the cloth, when the cloth is pulled for flat sewing, the upper roller 18 and the lower roller 20 rotate by friction, further squeezing the quilt flat, so as to facilitate sewing by the flat sewing machine 2.

[0025] Working principle: When the device is used for flat sewing, the first cylinder 4 is used to drive the first push rod 5 to extend until the pressure plate 11 has pressed the cloth under the force of the spring 10, and the scraper 7 can scrape the cloth flat, and then the cloth passes through the auxiliary smoothing mechanism, and then the second cylinder 15 is started to drive the second push rod 16 to extend, so that the upper roller 18 and the lower roller 20 clamp the cloth, which can adapt to cloth of different thicknesses. When the cloth is pulled for flat sewing, the upper roller 18 and the lower roller 20 rotate by friction, further squeezing the quilt flat, which is convenient for the flat sewing machine 2 to sew.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A gravity flat-sewing equipment with a pre-pressing structure, characterized in that: include: A machine base (1), the upper surface of which is fixedly connected to a sewing machine (2), the upper surface of which is fixedly connected to a first mounting frame (3), the upper surface of which is provided with a pre-pressing mechanism, the pre-pressing mechanism comprising a first cylinder (4), a first push rod (5), a connecting plate (6), a scraper (7), an upper telescopic rod (8), a lower telescopic rod (9), a spring (10) and a pressing plate (11), the upper surface of the first mounting frame (3) is fixedly connected to the first cylinder (4), the output end of the first cylinder (4) is fixedly connected to the first push rod (5), the first The bottom end of the push rod (5) is fixedly connected to the connecting plate (6), the bottom surface of the connecting plate (6) is fixedly connected to the scraper (7), the bottom surface of the connecting plate (6) is fixedly connected to the upper telescopic rod (8), the outer surface of the upper telescopic rod (8) is slidably connected to the lower telescopic rod (9), the bottom end of the lower telescopic rod (9) is fixedly connected to the pressing plate (11), the two ends of the spring (10) are respectively fixedly connected to the connecting plate (6) and the pressing plate (11), the top surface of the machine base (1) is fixedly connected to a second mounting frame (14), and the outer surface of the second mounting frame (14) is provided with an auxiliary leveling mechanism.

2. The gravity flat seam sewing equipment with a pre-pressing structure according to claim 1, characterized in that: The lockstitch sewing machine (2) and the first cylinder (4) are both electrically connected to an external power source.

3. The gravity flat seam sewing equipment with a pre-pressing structure according to claim 1, characterized in that: When the spring (10) is in a naturally extended state, the bottom end height of the pressing plate (11) is lower than the bottom end height of the scraper (7).

4. The gravity flat seam sewing equipment with a pre-pressing structure according to claim 1, characterized in that: A convex block (12) is fixedly connected to the side surface of the pressing plate (11), a guide rod (13) is fixedly connected to the upper surface of the machine base (1), and an outer surface of the guide rod (13) is slidably connected to the convex block (12).

5. The gravity flat seam sewing equipment with a pre-pressing structure according to claim 1, characterized in that: The auxiliary leveling mechanism comprises a second cylinder (15), a second push rod (16), a connecting frame (17), an upper roller (18) and a lower roller (20); the upper surface of the second mounting frame (14) is fixedly connected to the second cylinder (15); the output end of the second cylinder (15) is fixedly connected to the second push rod (16); the bottom end of the second push rod (16) is fixedly connected to the connecting frame (17); and both ends of the upper roller (18) are rotatably connected to the connecting frame (17).

6. The gravity flat seam sewing equipment with a pre-pressing structure according to claim 5, characterized in that: The upper surface of the machine base (1) is provided with a groove (19), and both ends of the lower roller (20) are rotatably connected to the groove (19).

7. The gravity flat-sewing equipment with a pre-pressing structure according to claim 5, characterized in that: The second cylinder (15) is electrically connected to an external power source, and the highest point of the lower drum (20) is flush with the upper surface of the machine base (1).

8. The gravity flat seam sewing equipment with a pre-pressing structure according to claim 1, characterized in that: The auxiliary smoothing mechanism is located between the lockstitch sewing machine (2) and the pre-pressing mechanism.

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