Embroidery frame of embroidery machine

Abstract

The utility model provides an embroidery frame of an embroidery machine, which comprises an upper fixed frame, a lower fixed frame, a first central frame, a plurality of first guide rods, a second central frame, a plurality of second guide rods, a movable frame, a plurality of telescopic rods and a driving component, the upper fixing frame and the lower fixing frame can be fixedly connected in an up-down attaching mode, and the lower fixing frame is fixedly arranged. The first center frame is horizontally arranged and located in the middle of the lower fixing frame, the first guide rod is arranged around the first center frame, one end of the first guide rod is fixedly connected with the first center frame, and the other end of the first guide rod is slidably connected with the lower fixing frame; the size of the movable frame is consistent with that of the first center frame, and the movable frame is located over the first center frame. According to the utility model, the problem that the central area of the cloth can move up and down to influence the embroidery quality when the cloth with a larger area is embroidered is solved, and the embroidery quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of embroidery, in particular to an embroidery frame of an embroidery machine. Background Art

[0002] An embroidery machine, also known as a computer embroidery machine, is the most advanced embroidery machine at present. It can realize traditional manual embroidery at high speed and high efficiency. It is an electromechanical product embodying a variety of high-techs. With computer embroidery replacing manual embroidery, computer embroidery machines will also become the main machine types in the embroidery industry. An embroidery machine includes an embroidery component, an embroidery frame component, etc. After fixing the fabric on the embroidery frame component, the embroidery component performs embroidery operations on the fabric.

[0003] However, when using the existing embroidery frame to embroider a fabric with a large area, when the needle moves up and down for embroidery operations, due to the elastic characteristics of the fabric, the amplitude of the up and down movement of the center position of the fabric will become larger. Excessive tension on the fabric may damage the fabric. If the fabric is not tightened, it is prone to displacement or deformation under the traction of the needle and thread during the embroidery process. This will cause the embroidered pattern to not match the original design, resulting in distortion, skew or inaccurate dimensions. Summary of the Utility Model

[0004] Aiming at the deficiencies in the prior art, the utility model provides an embroidery frame of an embroidery machine, which solves the problem that when embroidering a fabric with a large area in the prior art, the center area of the fabric will fluctuate up and down, affecting the embroidery quality.

[0005] According to an embodiment of the present utility model, an embroidery frame of an embroidery machine includes an upper fixed frame, a lower fixed frame, a first central frame, a plurality of first guide rods, a second central frame, a plurality of second guide rods, a movable frame, a plurality of telescopic rods, and a driving assembly. The upper fixed frame and the lower fixed frame are frames with the same size. The upper fixed frame and the lower fixed frame are detachably connected, and the lower fixed frame is fixedly arranged. The first central frame is horizontally arranged and located in the middle of the lower fixed frame. The first guide rods are arranged around the first central frame. One end of the first guide rod is fixedly connected to the first central frame, and the other end of the first guide rod is slidably connected to the lower fixed frame. The movable frame has the same size as the first central frame and is located directly above the first central frame. The telescopic rods are evenly arranged vertically between the movable frame and the first central frame. The movable end and the fixed end of the telescopic rod are respectively fixedly connected to the movable frame and the first central frame. The second central frame has the same size as the movable frame and is located directly above the movable frame. One end of the second guide rod is fixedly connected to the second central frame, and the other end of the second guide rod is slidably connected to the upper fixed frame. The second guide rod corresponds to the first guide rod up and down. One ends of the first guide rod and the second guide rod away from the first central frame are fixedly connected. The driving assembly is used to drive the first guide rod and the second guide rod to horizontally slide relative to the upper fixed frame and the lower fixed frame so that the first central frame and the second central frame are horizontally displaced.

[0006] The technical principle of the present utility model is as follows: When the embroidery component of the embroidery machine embroiders the fabric, the movable frame and the second central frame clamp the components in the embroidery area from the upper and lower directions, avoiding large displacements of the fabric in the embroidery area.

[0007] Preferably, the driving assembly includes a controller, a plurality of servo motors, and a plurality of sliding connectors. The lower fixed frame is a square frame. The sliding connector is a block structure. The sliding connector is slidably connected to the outer side of the lower fixed frame. The servo motor is fixedly connected to the sliding connector. A gear is fixedly arranged on the output shaft of the servo motor. A strip tooth is arranged on the outer side of the lower fixed frame. The gear meshes with the strip tooth. A sliding through hole is arranged on the sliding connector. The first guide rod is slidably connected to the sliding through hole. The servo motor is electrically connected to the controller.

[0008] Preferably, strip grooves for the transverse movement of the first guide rod and the second guide rod are respectively arranged on the upper fixed frame and the lower fixed frame. The two ends of the strip groove extend to the edge of the upper fixed frame or the lower fixed frame. The first guide rod and the second guide rod pass through the corresponding strip grooves. A T-shaped groove is arranged on the outer side of the border of the upper fixed frame. The sliding connector is slidably connected to the T-shaped groove.

[0009] Preferably, the sides of the movable frame and the second central frame adjacent to each other are provided with rounded corners.

[0010] Preferably, the first guide rod and the second guide rod are respectively fixedly arranged on three side edges of the upper fixing frame or the lower fixing frame.

[0011] Preferably, the movable frame is composed of straight rods with an arc-shaped bottom surface; a groove adapted to the movable frame is arranged on the bottom surface of the second central frame.

[0012] Preferably, the bottom surface of the second central frame is coplanar with the bottom surface of the upper fixing frame.

[0013] Compared with the prior art, the utility model has the following beneficial effects: by fixing the fabric in the area near the embroidery, the shrinkage range of the fabric is reduced, and the up-and-down floating distance is decreased, thereby reducing the deformation or deviation of the embroidery and improving the embroidery quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a top view of the utility model.

[0015] Figure 2 It is a schematic diagram of the position of the movable frame of the utility model.

[0016] Figure 3 It is a cross-sectional view of the movable frame and the second central frame of the utility model.

[0017] Figure 4 It is a schematic diagram of the strip-shaped groove of the utility model.

[0018] In the above-mentioned drawings: 1. upper fixing frame; 2. second guide rod; 3. sliding connecting piece; 4. lower fixing frame; 5. gear; 6. second central frame; 7. movable frame; 8. first central frame; 9. first guide rod; 10. telescopic rod; 11. servo motor; 12. strip-shaped groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The technical solutions in the utility model will be further described below with reference to the drawings and embodiments.

[0020] Such as Figure 1 、 2As shown in the figure, an embroidery frame of an embroidery machine is proposed in an embodiment of the present utility model, which includes an upper fixed frame 1, a lower fixed frame 4, a first central frame 8, a plurality of first guide rods 9, a second central frame 6, a plurality of second guide rods 2, a movable frame 7, a plurality of telescopic rods 10 and a driving component. The upper fixed frame 1 and the lower fixed frame 4 are frames with the same size. The upper fixed frame 1 and the lower fixed frame 4 are detachably connected, and the adjacent surfaces of the upper fixed frame 1 and the lower fixed frame 4 are mutually attached. The lower fixed frame 4 is fixedly arranged. A support frame is provided at the top of the lower fixed frame 4. During use, the fabric to be embroidered is fixedly arranged between the upper fixed frame 1 and the lower fixed frame 4, and the upper fixed frame 1 and the lower fixed frame 4 are fixedly connected using a buckle, which is convenient for quick installation. The first central frame 8 is horizontally arranged and located in the middle of the lower fixed frame 4. The first guide rods 9 are arranged around the first central frame 8. One end of the first guide rod 9 is fixedly connected to the first central frame 8, and the other end of the first guide rod 9 is slidably connected to the lower fixed frame 4. The movable frame 7 has the same size as the first central frame 8 and is located directly above the first central frame 8. The telescopic rods 10 are evenly vertically arranged between the movable frame 7 and the first central frame 8. The movable end and the fixed end of the telescopic rod 10 are respectively fixedly connected to the movable frame 7 and the first central frame 8. The second central frame 6 has the same size as the movable frame 7 and is located directly above the movable frame 7. One end of the second guide rod 2 is fixedly connected to the second central frame 6, and the other end of the second guide rod 2 is slidably connected to the upper fixed frame 1. The second guide rod 2 and the first guide rod 9 are vertically corresponding. One ends of the first guide rod 9 and the second guide rod 2 far from the first central frame 8 are fixedly connected. The driving component is used to drive the first guide rod 9 and the second guide rod 2 to horizontally slide relative to the upper fixed frame 1 and the lower fixed frame 4, so that the first central frame 8 and the second central frame 6 are horizontally displaced. When the telescopic rod 10 is in a contracted state, the top surface of the movable frame 7 is lower than the top surface of the lower fixed frame 4. When the telescopic rod 10 extends, the top surface of the movable frame 7 abuts against the bottom surface of the second central frame 6, so that the fabric of the movable frame 7 and the second central frame 6 is clamped. The ends of the first guide rod 9 and the second guide rod 2 are fixedly connected using a pin to ensure that when the driving component drives the first guide rod 9 or the second guide rod 2, the positions of the first central frame 8 and the second central frame 6 move synchronously.

[0021] As Figure 1As shown, preferably, the driving assembly includes a controller, a plurality of servo motors 11 and a plurality of sliding connectors 3. The lower fixed frame 4 is a square frame. The sliding connector 3 is a block structure, and the sliding connector 3 is slidably connected to the outer side edge of the lower fixed frame 4. The servo motor 11 is fixedly connected to the sliding connector 3. A gear 5 is fixedly arranged on the output shaft of the servo motor 11. A strip of teeth is arranged on the outer side of the lower fixed frame 4, and the gear 5 meshes with the strip of teeth. A sliding through hole is arranged on the sliding connector 3, and the first guide rod 9 is slidably connected to the sliding through hole. When the embroidery component moves on the fabric and embroiders the fabric, the servo motor 11 drives the gear 5 to rotate, and the sliding connector 3 will slide along the side edge of the lower fixed frame 4. The sliding connector 3 drives the first guide rod 9 or the second guide rod 2 to move, so that the needle of the embroidery component is always located at the center of the first central frame 8 and the second central frame 6. After the needle is lifted by the pillow, the servo motor 11 drives the first guide rod 9 or the second guide rod 2 to adjust the positions of the first central frame 8 and the second central frame 6. The servo motor 4 is electrically connected to the controller.

[0022] As Figure 1 , 4 As shown, preferably, strip-shaped grooves 12 for the lateral movement of the first guide rod 9 and the second guide rod 2 are respectively arranged on the upper fixed frame 1 and the lower fixed frame 4. The two ends of the strip-shaped groove 12 extend to the edge of the upper fixed frame 1 or the lower fixed frame 4, and the first guide rod 9 and the second guide rod 2 pass through the corresponding strip-shaped grooves 12. A T-shaped groove is arranged on the outer side of the frame edge of the upper fixed frame 1, and the sliding connector 3 is slidably connected to the T-shaped groove. In this embodiment, there is a gap between the first guide rod 9 and the strip-shaped groove 12, and the first guide rod 9 is positioned by the sliding connector 3. The second guide rod 2 is in sliding contact with the strip-shaped groove 12.

[0023] Preferably, the sides of the movable frame 7 adjacent to the second central frame 6 are all provided with rounded corners to avoid damaging the fabric when the movable frame 7, the second central frame 6 and the fabric come into contact.

[0024] Preferably, the first guide rod 9 and the second guide rod 2 are respectively fixedly arranged on three side edges of the upper fixed frame 1 or the lower fixed frame 4. When an embroidery component needs to be fixedly arranged on one side of the embroidery frame, if the first guide rod 9 is arranged on all four faces of the upper fixed frame 1, it may cause movement interference.

[0025] As Figure 3 As shown, preferably, the movable frame 7 is composed of straight rods with an arc-shaped bottom surface, and a groove adapted to the movable frame 7 is arranged on the bottom surface of the second central frame 6. When the movable frame 7 moves upward and abuts against the second central frame 6, the fabric is fixed in the groove, avoiding or reducing the situation of the fabric sliding.

[0026] Preferably, the bottom surface of the second central frame 6 and the bottom surface of the upper fixed frame 1 are coplanar. When the movable frame 7 moves upward and presses the fabric against the second central frame 6, the fabric remains in a flat state as a whole.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention.

Claims

1. An embroidery frame of an embroidery machine, characterized in that: It includes an upper fixed frame (1), a lower fixed frame (4), a first central frame (8), a plurality of first guide rods (9), a second central frame (6), a plurality of second guide rods (2), a movable frame (7), a plurality of telescopic rods (10) and a driving assembly. The upper fixed frame (1) and the lower fixed frame (4) are frames with the same size. The upper fixed frame (1) and the lower fixed frame (4) are detachably connected, and the lower fixed frame (4) is fixedly arranged. The first central frame (8) is horizontally arranged and located in the middle of the lower fixed frame (4). The first guide rods (9) are arranged around the first central frame (8). One end of the first guide rod (9) is fixedly connected to the first central frame (8), and the other end of the first guide rod (9) is slidably connected to the lower fixed frame (4). The movable frame (7) has the same size as the first central frame (8) and is located directly above the first central frame (8). The telescopic rods (10) are evenly vertically arranged between the movable frame (7) and the first central frame (8). The movable end and the fixed end of the telescopic rod (10) are respectively fixedly connected to the movable frame (7) and the first central frame (8). The second central frame (6) has the same size as the movable frame (7) and is located directly above the movable frame (7). One end of the second guide rod (2) is fixedly connected to the second central frame (6), and the other end of the second guide rod (2) is slidably connected to the upper fixed frame (1). The second guide rod (2) and the first guide rod (9) are vertically corresponding. One ends of the first guide rod (9) and the second guide rod (2) far from the first central frame (8) are fixedly connected. The driving assembly is used to drive the first guide rod (9) and the second guide rod (2) to horizontally slide relative to the upper fixed frame (1) and the lower fixed frame (4) so that the first central frame (8) and the second central frame (6) horizontally displace.

2. The embroidery frame of an embroidery machine according to claim 1, characterized in that: The driving assembly includes a controller, a plurality of servo motors (11) and a plurality of sliding connectors (3). The lower fixed frame (4) is a square frame. The sliding connector (3) is a block structure. The sliding connector (3) is slidably connected to the outer side edge of the lower fixed frame (4). The servo motor (11) is fixedly connected to the sliding connector (3). A gear (5) is fixedly arranged on the output shaft of the servo motor (11). A strip tooth is arranged on the outer side of the lower fixed frame (4). The gear (5) meshes with the strip tooth. A sliding through hole is arranged on the sliding connector (3). The first guide rod (9) is slidably connected to the sliding through hole. The servo motor (11) is electrically connected to the controller.

3. The embroidery frame of an embroidery machine according to claim 2, characterized in that: Strip grooves (12) for the transverse movement of the first guide rod (9) and the second guide rod (2) are respectively arranged on the upper fixed frame (1) and the lower fixed frame (4). The two ends of the strip groove (12) extend to the edge of the upper fixed frame (1) or the lower fixed frame (4). The first guide rod (9) and the second guide rod (2) pass through the corresponding strip grooves (12). A T-shaped groove is arranged on the outer side of the border of the upper fixed frame (1). The sliding connector (3) is slidably connected to the T-shaped groove.

4. The embroidery frame of an embroidery machine according to claim 1, characterized in that: Rounded corners are arranged on the sides of the movable frame (7) adjacent to the second central frame (6).

5. The embroidery frame of an embroidery machine according to claim 1, characterized in that: The first guide rod (9) and the second guide rod (2) are respectively fixedly arranged on three side edges of the upper fixed frame (1) or the lower fixed frame (4).

6. The embroidery frame of an embroidery machine according to claim 1, characterized in that: The movable frame (7) is composed of straight rods with an arc-shaped top surface; a groove adapted to the movable frame (7) is provided on the bottom surface of the second central frame (6).

7. The embroidery frame of an embroidery machine according to claim 1, characterized in that: The bottom surface of the second central frame (6) is coplanar with the bottom surface of the upper fixed frame (1).

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