Embroidery machine presser foot positioning device

Abstract

The utility model relates to a presser foot positioning device of an embroidery machine, and relates to the technical field of embroidery machines. The presser foot comprises a presser foot body, a sewing groove is formed in the upper end of the presser foot body, a positioning groove is formed in the lower end of the presser foot body, a positioning plate is slidably connected into the positioning groove, a sliding groove is formed in the inner top wall of the positioning groove, a T-shaped rod is slidably arranged in the sliding groove, the T-shaped rod is fixed to the upper end of the positioning plate, and an adjusting mechanism is arranged on one side of the T-shaped rod. The adjusting mechanism comprises a mounting groove, a lead screw and a limiting groove, the mounting groove is formed in one side wall of the sliding groove, the lead screw is rotationally connected between the inner top wall and the inner bottom wall of the mounting groove, and the sliding groove is in threaded connection to the circumferential side of the lead screw through a lead screw nut. The cloth fixing effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of embroidery machines, in particular to a presser foot positioning device for embroidery machines. Background Art

[0002] Embroidery machine, embroidery machine, embroidery is the general name of various decorative patterns embroidered on fabrics by needle and thread. Embroidery is divided into silk thread embroidery and feather embroidery. It is to use a needle to pierce silk thread or other fibers and yarns on the embroidery material in a certain pattern and color, and use embroidery marks to form decorative fabrics with patterns. It is an art of adding human design and production to any existing fabric with needle and thread.

[0003] The publication number is CN218090072U. A presser foot stopper for an embroidery machine head relates to the technical field of embroidery machine heads, including an embroidery machine head for embroidery, wherein a presser foot stopper for fixing fabrics is arranged below the embroidery machine head. The embroidery machine head comprises an outer frame, wherein a cylinder for pushing an embroidery needle is fixedly installed on the inner wall of the outer frame, wherein a pneumatic rod is arranged below the cylinder, wherein a push block is fixedly connected below the pneumatic rod, and a support rod is fixedly connected to one side below the push block 35. The presser foot stopper of the embroidery machine head is arranged by a spring, a pulley and a slide slot. When the embroidery machine is started, the pulley slides inside the slide slot, and the connecting column is driven to move by the second connecting rod, which pushes the spring to contract, thereby adjusting the pressing force of the presser foot on fabrics of different thicknesses, so that the fabric reaches an ideal pressing state, thereby achieving the effect of improving the use efficiency and practicality of the equipment.

[0004] However, the position of the presser foot is generally adjusted through an adjustment mechanism on the embroidery machine, and the adjustment range is large, resulting in poor fastening effect of the presser foot in pressing the material or pressing the material too tightly, resulting in the fabric being loose or too tight during actual operation, resulting in poor use effect. Utility Model Content

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide an embroidery machine presser foot positioning device, which has a further positioning mechanism arranged at the bottom of the presser foot, with a small adjustment range, so that the adjustment is more precise and the pressing effect is better.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions:

[0007] A presser foot positioning device for an embroidery machine comprises a presser foot body, the upper end of the presser foot body is provided with a sewing groove, the lower end of the presser foot body is provided with a positioning groove, a positioning plate is slidably connected in the positioning groove, the inner top wall of the positioning groove is provided with a sliding groove, a T-shaped rod is slidably arranged in the sliding groove, the T-shaped rod is fixed to the upper end of the positioning plate, one side of the T-shaped rod is provided with an adjustment mechanism, the adjustment mechanism comprises a mounting groove, a screw rod and a limiting groove, the mounting groove is provided on one side wall of the sliding groove, the screw rod is rotatably connected between the inner top wall and the inner bottom wall of the mounting groove, and the sliding groove is threadedly connected to the circumferential side of the screw rod through a screw rod nut.

[0008] By adopting the above technical solution, the presser foot body, sewing groove, positioning groove, T-bar, positioning plate and adjustment mechanism cooperate to drive the positioning plate to move up and down, and the fixing effect of the fabric can be improved according to the thickness of the fabric.

[0009] In a preferred example, the utility model can be further configured as follows: the screw rod is provided with a rotating mechanism, the rotating mechanism includes a first gear, a second gear and a connecting groove, the connecting groove is opened on a side wall of the mounting groove, the first gear is fixedly connected to the circumferential side of the screw rod, the second gear is rotatably connected to the inner bottom wall of the connecting groove, and the first gear and the connecting groove are meshed.

[0010] By adopting the above technical solution, the rotating mechanism can drive the screw rod to rotate, and it is convenient to manually drive the screw rod to rotate.

[0011] In a preferred example, the utility model can be further configured as follows: a limiting groove is provided on one side wall of the installation groove, and the T-shaped rod is slidably connected in the limiting groove.

[0012] By adopting the above technical solution, the T-bar and the limiting groove are slidably matched, which can improve the movement stability of the T-bar.

[0013] In a preferred example, the utility model can be further configured as follows: two telescopic rods are fixedly connected to the inner top wall of the positioning groove, and the lower ends of the two telescopic rods are fixed to the upper end of the positioning plate.

[0014] By adopting the above technical solution, the telescopic rod can improve the movement stability of the positioning plate.

[0015] In a preferred example, the utility model can be further configured as follows: a rectangular groove is opened at the lower end of the presser foot body, and a laser lamp is installed on the inner top wall of the rectangular groove.

[0016] By adopting the above technical solution, the laser light can indicate the pressed position of the sewing groove to prevent the user from pointing it out.

[0017] In a preferred example, the utility model can be further configured as follows: a laser lamp is arranged in the sewing groove, and four second reinforcement rods are evenly and fixedly connected to the circumferential side of the laser lamp, wherein three of the second reinforcement rods are respectively fixed to the three side walls of the sewing groove, a first reinforcement rod is fixedly connected between the side walls of the sewing groove, and another second reinforcement rod is fixed to the first reinforcement rod.

[0018] By adopting the above technical solution, the positioning ring can position the lower needle.

[0019] In summary, the present invention includes at least one of the following beneficial technical effects:

[0020] 1. A presser foot body, a sewing groove, a positioning groove, a T-bar, a positioning plate and an adjusting mechanism are provided. When processing a batch of fabrics of the same thickness, the embroidery machine is started so that the presser foot body can be pressed on the fabrics. If the presser foot body is not pressed tightly enough or too tightly, the screw rod is rotated, and the T-bar moves up and down on the surface of the screw rod. The T-bar drives the positioning plate to move up and down, and the positioning plate presses and positions the fabric, which can improve the stability of the pressing material and the accuracy of the positioning, and can improve the fixing effect of the fabric according to the thickness of the fabric.

[0021] 2. It is equipped with a rectangular groove, a laser light, a positioning ring, a second reinforcement rod and a first reinforcement rod. The positioning ring is the position where the embroidery needle is inserted. The laser light can produce a light spot. When the sewing groove is not pressed down, the approximate downward position of the sewing groove can be known. When the sewing groove is close to the fabric, the laser light and the positioning ring cooperate to know the embroidery position, which is more convenient to grasp the embroidery position. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a first stereogram of the present embodiment;

[0023] Figure 2 is a three-dimensional cross-sectional view of this embodiment;

[0024] Figure 3 This embodiment Figure 2 A partial enlarged view of the middle A;

[0025] Figure 4 It is a second stereoscopic view of this embodiment.

[0026] In the figure, 1. presser foot body; 2. sewing groove; 3. positioning plate; 4. positioning ring; 5. first reinforcement rod; 6. second reinforcement rod; 7. positioning groove; 8. telescopic rod; 9. adjustment mechanism; 901. installation groove; 902. screw rod; 903. limit groove; 10. T-bar; 11. rotating mechanism; 1101. first gear; 1102. second gear; 1103. connecting groove; 12. sliding groove; 13. rectangular groove; 14. laser light. DETAILED DESCRIPTION

[0027] The utility model is further described in detail below in conjunction with the accompanying drawings. Example

[0028] Reference Figure 1-4 The utility model discloses a presser foot positioning device for an embroidery machine, comprising a presser foot body 1, a sewing groove 2 is provided at the upper end of the presser foot body 1, a positioning groove 7 is provided at the lower end of the presser foot body 1, a positioning plate 3 is slidably connected in the positioning groove 7, a sliding groove 12 is provided on the inner top wall of the positioning groove 7, a T-shaped rod 10 is slidably provided in the sliding groove 12, the T-shaped rod 10 is fixed to the upper end of the positioning plate 3, an adjusting mechanism 9 is provided on one side of the T-shaped rod 10, the adjusting mechanism 9 comprises a mounting groove 901, a screw rod 902 and a limiting groove 903, the mounting groove 901 is provided on one side wall of the sliding groove 12, the screw rod 902 rotates Connected between the inner top wall and the inner bottom wall of the mounting groove 901, the sliding groove 12 is threadedly connected to the circumferential side of the screw rod 902 through the screw nut. When processing a batch of fabrics of the same thickness, start the embroidery machine so that the presser foot body 1 can be pressed on the fabric. If the presser foot body 1 is not pressed tightly enough or too tight, rotate the screw rod 902, and the T-bar 10 moves up and down on the surface of the screw rod 902. The T-bar 10 drives the positioning plate 3 to move up and down, and the positioning plate 3 presses and positions the fabric, which can improve the stability of the pressing material and the accuracy of the positioning, and can improve the fixing effect of the fabric according to the thickness of the fabric.

[0029] The screw rod 902 is provided with a rotating mechanism 11, which includes a first gear 1101, a second gear 1102 and a connecting groove 1103. The connecting groove 1103 is opened on a side wall of the mounting groove 901, the first gear 1101 is fixedly connected to the circumferential side of the screw rod 902, the second gear 1102 is rotatably connected to the inner bottom wall of the connecting groove 1103, the first gear 1101 and the connecting groove 1103 are meshed, the second gear 1102 is rotated from the outside of the presser foot body 1, the second gear 1102 drives the first gear 1101 to rotate, the first gear 1101 can drive the screw rod 902 to rotate, and it is convenient to manually drive the screw rod 902 to rotate.

[0030] A limiting groove 903 is formed on one side wall of the installation groove 901 , and the T-shaped rod 10 is slidably connected in the limiting groove 903 . The T-shaped rod 10 and the limiting groove 903 are slidably matched, so that the movement stability of the T-shaped rod 10 can be improved.

[0031] Two telescopic rods 8 are fixedly connected to the inner top wall of the positioning groove 7 , and the lower ends of the two telescopic rods 8 are fixed to the upper end of the positioning plate 3 . The telescopic rods 8 can improve the movement stability of the positioning plate 3 .

[0032] A rectangular groove 13 is formed at the lower end of the presser foot body 1, and a laser light 14 is installed on the inner top wall of the rectangular groove 13. The laser light 14 can indicate the pressing position of the sewing groove 2 to prevent the user from pointing it out.

[0033] A laser lamp 14 is arranged in the sewing groove 2, and four second reinforcement rods 6 are evenly fixedly connected to the circumferential side of the laser lamp 14, wherein three of the second reinforcement rods 6 are respectively fixed to the three side walls of the sewing groove 2, and the first reinforcement rods 5 are fixedly connected between the side walls of the sewing groove 2, and the other second reinforcement rod 6 is fixed to the first reinforcement rod 5. The positioning ring 4 is the position for the embroidery needle to lower the needle. The laser lamp 14 can produce a light spot. When the sewing groove 2 is not pressed down, the approximate downward position of the sewing groove 2 can be known. When the sewing groove 2 is close to the cloth, the laser lamp 14 cooperates with the positioning ring 4 to know the embroidery position, which is more convenient for grasping the embroidery position.

[0034] The implementation principle of the above embodiment is: after the presser foot body 1 is adjusted in position by the pressing mechanism of the embroidery machine, if the presser foot body 1 is not pressed tight enough or too tight, the second gear 1102 is rotated from the outside of the presser foot body 1, and the second gear 1102 drives the first gear 1101 to rotate, and the first gear 1101 can drive the screw rod 902 to rotate, which can be convenient for manual driving of the screw rod 902 to rotate. When the screw rod 902 rotates, the T-bar 10 moves up and down on the surface of the screw rod 902, and the T-bar 10 drives the positioning plate 3 to move up and down. The positioning plate 3 presses and positions the cloth, which can improve the stability of the pressing material and the accuracy of the positioning, and can improve the fixing effect of the cloth according to the thickness of the cloth.

[0035] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0036] The embodiments of this specific implementation method are all preferred embodiments of the utility model, and are not intended to limit the protection scope of the utility model. Therefore, all equivalent changes made based on the structure, shape, and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A presser foot positioning device for an embroidery machine, comprising a presser foot body (1), characterized in that: The upper end of the presser foot body (1) is provided with a sewing groove (2), the lower end of the presser foot body (1) is provided with a positioning groove (7), a positioning plate (3) is slidably connected in the positioning groove (7), the inner top wall of the positioning groove (7) is provided with a sliding groove (12), a T-shaped rod (10) is slidably arranged in the sliding groove (12), the T-shaped rod (10) is fixed to the upper end of the positioning plate (3), an adjustment mechanism (9) is arranged on one side of the T-shaped rod (10), the adjustment mechanism (9) comprises a mounting groove (901), a screw rod (902) and a limiting groove (903), the mounting groove (901) is provided on a side wall of the sliding groove (12), the screw rod (902) is rotatably connected between the inner top wall and the inner bottom wall of the mounting groove (901), and the sliding groove (12) is threadedly connected to the circumferential side of the screw rod (902) through a screw nut.

2. The embroidery machine presser foot positioning device according to claim 1, characterized in that: The screw rod (902) is provided with a rotating mechanism (11), the rotating mechanism (11) comprising a first gear (1101), a second gear (1102) and a connecting groove (1103), the connecting groove (1103) being provided on a side wall of the mounting groove (901), the first gear (1101) being fixedly connected to a circumferential side of the screw rod (902), the second gear (1102) being rotatably connected to an inner bottom wall of the connecting groove (1103), and the first gear (1101) and the connecting groove (1103) being meshed with each other.

3. The embroidery machine presser foot positioning device according to claim 1, characterized in that: A limiting groove (903) is provided on one side wall of the installation groove (901), and the T-shaped rod (10) is slidably connected in the limiting groove (903).

4. The embroidery machine presser foot positioning device according to claim 1, characterized in that: Two telescopic rods (8) are fixedly connected to the inner top wall of the positioning groove (7), and the lower ends of the two telescopic rods (8) are fixed to the upper end of the positioning plate (3).

5. The embroidery machine presser foot positioning device according to claim 1, characterized in that: A rectangular groove (13) is provided at the lower end of the presser foot body (1), and a laser lamp (14) is installed on the inner top wall of the rectangular groove (13).

6. The embroidery machine presser foot positioning device according to claim 1, characterized in that: A laser lamp (14) is arranged in the sewing groove (2), and four second reinforcement rods (6) are evenly and fixedly connected to the circumferential side of the laser lamp (14), wherein three of the second reinforcement rods (6) are respectively fixed to three side walls of the sewing groove (2), a first reinforcement rod (5) is fixedly connected between the side walls of the sewing groove (2), and another second reinforcement rod (6) is fixed to the first reinforcement rod (5).

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