Automatic adjusting and connecting embroidery frame of embroidery machine

Abstract

The utility model discloses an automatic adjusting and connecting embroidery frame of an embroidery machine. The automatic adjusting and connecting embroidery frame comprises a frame-shaped frame and a cloth pressing unit, moving seats are slidably connected to the left end and the right end of the frame, a first supporting seat is slidably connected to the right side of the upper end of the left moving seat, a pull pressure sensor is arranged between the left moving seat and the first supporting seat, a second supporting seat is arranged at the upper end of the right moving seat, and two-way lead screws are rotatably connected to the front end and the rear end of the frame through bearings. The front ends of the moving seats are in threaded connection with the two-way screw rod on the front side, the rear ends of the moving seats are in threaded connection with the two-way screw rod on the rear side, and the output end of the tension and pressure sensor is electrically connected with the input end of an external controller; according to the automatic adjusting and connecting embroidery frame of the embroidery machine, cloth can be automatically clamped, meanwhile, the distance between the clamping positions at the two ends can be automatically adjusted, automatic tensioning of the cloth can be achieved, and the embroidery quality of the embroidery machine is greatly improved.

Description

Technical Field

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

[0002] With the development of society, people have higher and higher requirements for clothing, and pay more attention to the personalization and fashion of clothing. Computer embroidery can meet this demand. It can realize exquisite and unique patterns, making clothing more fashionable and personalized. Computer embroidery is inseparable from the use of embroidery machines. Embroidery machines generally fix the fabric through embroidery frames. Existing embroidery frames generally consist of an inner frame and an outer frame. The fabric is placed on the inner frame, and then the outer frame is put on the fabric and the inner frame to fix the fabric. The structure is simple and the cost of use is low. However, manpower is needed to fix the fabric during use. At the same time, the tension of the fabric needs to be manually controlled. The control is not precise enough. Too tight or too loose will affect the embroidery quality of the embroidery machine, and then the use effect is not good. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide an automatically adjustable embroidery frame for an embroidery machine, which can automatically clamp the fabric and automatically adjust the distance between the clamping positions at both ends, thereby realizing automatic tensioning of the fabric, greatly improving the embroidery quality of the embroidery machine and effectively solving the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatically adjustable embroidery frame of an embroidery machine, comprising a frame frame and a cloth pressing unit;

[0005] Frame: Both left and right ends of the frame are slidably connected with moving seats, the upper right side of the left moving seat is slidably connected with support seat 1, a tension and pressure sensor is provided between the left moving seat and support seat 1, and the upper end of the right moving seat is provided with support seat 2, the front and rear ends of the frame are rotatably connected with bidirectional screw rods through bearings, the front end of the moving seat is threadedly connected with the bidirectional screw rod on the front side, and the rear end of the moving seat is threadedly connected with the bidirectional screw rod on the rear side, and the output end of the tension and pressure sensor is electrically connected to the input end of the external controller;

[0006] Cloth pressing unit: There are two of them, which are respectively arranged on the upper surface of support seat 1 and support seat 2. During use, the electric push rod can be used to open the cloth clamping structure, and then the cloth can be clamped by using the force of the spring sheet, which is convenient for automatic clamping of cloth of different thicknesses, greatly improving the convenience of using the embroidery frame, and can automatically adjust the clamping position of both ends of the cloth, and can automatically tension the cloth, greatly improving the embroidery quality of the embroidery machine on the cloth.

[0007] Furthermore, a synchronous pulley is provided at the left end of each bidirectional screw rod, and the two synchronous pulleys are connected by a synchronous belt transmission, so as to facilitate the control of the synchronous rotation of the two bidirectional screw rods.

[0008] Furthermore, a servo motor is provided at the right end of the frame, the output shaft of the servo motor is fixedly connected to the right end of the bidirectional screw rod on the front side, and the input end of the servo motor is electrically connected to the output end of the external controller to facilitate the driving of the bidirectional screw rod.

[0009] Furthermore, the cloth pressing unit includes a rotating shaft, a pressure plate and a spring sheet. The rotating shaft is rotatably connected to the upper ends of the support seat one and the support seat two, respectively. The outer arc surface of the rotating shaft is provided with a pressure plate. The upper surfaces of the support seat one and the support seat two are provided with a spring sheet. The spring sheets are respectively arranged in cooperation with the laterally adjacent pressure plates to facilitate the clamping of the cloth.

[0010] Furthermore, the cloth pressing unit also includes a driving assembly, which is respectively arranged at the front end of the support seat one and the support seat two, and the upper end of the driving assembly is respectively fixedly connected to the front end of the vertically corresponding rotating shaft to facilitate the control of the opening of the pressing plate.

[0011] Furthermore, the driving assembly includes gears, slides and racks, the gears are respectively arranged at the front ends of the rotating shafts, the slides are respectively arranged at the front sides of the support seats one and two, the interiors of the slides are slidably connected with racks, and the racks are respectively meshed and connected with the laterally adjacent gears to facilitate the control of the rotation of the rotating shaft.

[0012] Furthermore, the driving assembly also includes a connecting column and an electric push rod. The connecting columns are respectively arranged at the lower end of the rack away from the side of the gear. The electric push rods are respectively arranged at the front end of the support seat one and the support seat two through the push rod seats. The connecting columns are respectively slidably connected to the connecting blocks at the upper ends of the vertically corresponding electric push rods. The input end of the electric push rod is electrically connected to the output end of the external controller to facilitate the movement of the driving rack.

[0013] Compared with the prior art, the beneficial effects of the utility model are: the automatic adjustment of the embroidery frame of the embroidery machine has the following advantages:

[0014] 1. Adjust the external controller, the electric push rod operates, the telescopic end of the electric push rod drives the connecting block to move downward, initially the connecting block and the connecting column slide relative to each other, then the upper end of the long sliding hole contacts the connecting column, and then the connecting column drives the rack to move downward along the slide seat, the rack will drive the shaft to rotate through the gear, the shaft drives the pressing plate to rotate, the pressing plate drives the spring sheet to elastically deform, the pressing plate is separated from the support seat 1 or the support seat 2, and then the two ends of the fabric are placed on the support seat 1 and the support seat 2 respectively, the telescopic end of the electric push rod extends out to slowly release the rack, the spring sheet drives the pressing plate to reset and press the two ends of the fabric, the electric push rod can be used to open the fabric clamping structure during use, and then the fabric is clamped by the force of the spring sheet, which is convenient for automatic clamping of fabrics of different thicknesses, greatly improving the convenience of using the embroidery frame.

[0015] 2. Adjust the external controller, the servo motor runs, the servo motor drives the front bidirectional screw to rotate, under the action of two synchronous pulleys and synchronous pulleys, the two bidirectional screws rotate synchronously, the bidirectional screw drives the two moving seats to move away from each other, the moving seat on the left drives the support seat 1 to move to the left through the tension pressure sensor, and the moving seat on the right drives the support seat 2 to move to the right, the support seat 1 and the support seat 2 pull the cloth through the cloth pressing unit to flatten the cloth, and the tension pressure sensor detects the tension of the cloth, and converts it into an electrical signal and transmits it to the external controller. When the tension reaches the specified value, the external controller controls the servo motor to stop running, thereby having a good tensioning effect on the cloth. During use, the clamping position at both ends of the cloth can be automatically adjusted, and the cloth can be automatically tensioned, which greatly improves the embroidery quality of the embroidery machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the enlarged structure of point A of the utility model.

[0018] In the figure: 1 frame, 2 moving seat, 3 pulling pressure sensor, 4 support seat 1, 5 support seat 2, 6 cloth pressing unit, 61 rotating shaft, 62 pressing plate, 63 spring sheet, 64 driving assembly, 641 gear, 642 slide seat, 643 rack, 644 connecting column, 645 electric push rod, 7 bidirectional screw rod, 8 synchronous pulley, 9 synchronous belt, 10 servo motor. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-2 , This embodiment provides a technical solution: an automatic adjustment embroidery frame of an embroidery machine, including a frame frame 1 and a cloth pressing unit 6;

[0021] Frame 1: Both left and right ends thereof are slidably connected with moving seats 2, and the frame 1 is installed on the workbench of the embroidery machine. The right side of the upper end of the moving seat 2 on the left side is slidably connected with a support seat 1 4, and a tension pressure sensor 3 is provided between the moving seat 2 on the left side and the support seat 1 4. The moving seat 2 on the left side drives the support seat 1 4 to move leftward through the tension pressure sensor 3, and the upper end of the moving seat 2 on the right side is provided with a support seat 2 5, and the moving seat 2 on the right side drives the support seat 2 5 to move rightward, and the support seat 1 4 and the support seat 2 5 pull the cloth through the cloth pressing unit 6 to achieve the flattening of the cloth. The front and rear ends of the frame 1 are rotatably connected with a bidirectional screw rod 7 through bearings, and the front end of the moving seat 2 is threadedly connected to the bidirectional screw rod 7 on the front side, and the rear end of the moving seat 2 is threadedly connected to the bidirectional screw rod 7 on the rear side, and the bidirectional screw rod 7 drives the two moving seats 2 to move toward each other Move in the direction away from the front, the output end of the tension and pressure sensor 3 is electrically connected to the input end of the external controller, the left end of the bidirectional screw 7 is provided with a synchronous pulley 8, and the two synchronous pulleys 8 are connected by a synchronous belt 9. Under the action of the two synchronous pulleys 8 and the synchronous pulley 8, the two bidirectional screws 7 rotate synchronously, and the right end of the frame 1 is provided with a servo motor 10. The output shaft of the servo motor 10 is fixedly connected to the right end of the bidirectional screw 7 on the front side. The input end of the servo motor 10 is electrically connected to the output end of the external controller. The servo motor 10 drives the bidirectional screw 7 on the front side to rotate. The tension and pressure sensor 3 detects the tension of the cloth and converts it into an electrical signal to be transmitted to the external controller. When the tension reaches the specified value, the external controller controls the servo motor 10 to stop running, thereby having a good tensioning effect on the cloth, and then weaving can be carried out;

[0022] Cloth pressing unit 6: There are two of them, which are respectively arranged on the upper surface of support seat 1 4 and support seat 2 5. Cloth pressing unit 6 includes a rotating shaft 61, a pressing plate 62 and a spring sheet 63. The rotating shaft 61 is rotatably connected to the upper end of support seat 1 4 and support seat 2 5 respectively. The outer arc surface of the rotating shaft 61 is provided with a pressing plate 62. The upper surface of support seat 1 4 and support seat 2 5 is provided with a spring sheet 63. The spring sheet 63 is respectively arranged in cooperation with the laterally adjacent pressing plates 62. The rotating shaft 61 drives the pressing plate 62 to rotate, and the pressing plate 62 drives The spring sheet 63 is elastically deformed, and the pressing plate 62 is separated from the support seat 1 4 or the support seat 2 5. The cloth pressing unit 6 also includes a driving assembly 64, which is respectively arranged at the front end of the support seat 1 4 and the support seat 2 5. The upper end of the driving assembly 64 is respectively fixedly connected to the front end of the vertically corresponding rotating shaft 61. The driving assembly 64 includes a gear 641, a slide 642 and a rack 643. The gear 641 is respectively arranged at the front end of the rotating shaft 61, and the slide 642 is respectively arranged at the support seat 1 4 and the support seat 2 On the front side of the support seat 1 5, the interior of the slide 642 is slidably connected with a rack 643, the slide 642 provides a sliding guide for the rack 643, the rack 643 is respectively meshed with the laterally adjacent gears 641, the drive assembly 64 also includes a connecting column 644 and an electric push rod 645, the connecting column 644 is respectively arranged at the lower end of the rack 643 away from the side of the gear 641, the electric push rod 645 is respectively arranged at the front end of the support seat 1 4 and the support seat 2 5 through the push rod seat, the connecting column 644 is respectively connected to the The connecting block at the upper end of the vertically corresponding electric push rod 645 is slidably connected, and the input end of the electric push rod 645 is electrically connected to the output end of the external controller. When the electric push rod 645 runs, the telescopic end of the electric push rod 645 drives the connecting block to move downward. Initially, the connecting block and the connecting column 644 slide relative to each other, and then the upper end of the long sliding hole contacts the connecting column 644, and then the connecting column 644 drives the rack 643 to move downward along the slide seat 642, and the rack 643 will drive the rotating shaft 61 to rotate through the gear 641.

[0023] The working principle of the automatic adjustment embroidery frame of the embroidery machine provided by the utility model is as follows: when in use, the frame frame 1 is installed on the working table of the embroidery machine, and the external controller is adjusted during operation, the electric push rod 645 is operated, and the telescopic end of the electric push rod 645 drives the connecting block to move downward. Initially, the connecting block and the connecting column 644 slide relatively, and then the upper end of the long sliding hole contacts the connecting column 644, and then the connecting column 644 drives the rack 643 to move downward along the slide seat 642, and the rack 643 will drive the rotating shaft 61 to rotate through the gear 641, and the rotating shaft 61 drives the pressing plate 62 to rotate, and the pressing plate 62 drives the spring sheet 63 to undergo elastic deformation, and the pressing plate 62 is separated from the support seat 1 4 or the support seat 2 5, and then the two ends of the cloth are placed on the support seat 1 4 and the support seat 2 5 respectively, and the telescopic end of the electric push rod 645 extends out to slowly release the rack 643, and the spring sheet 63 drives the pressing plate 62 to reset to press the two ends of the cloth, and then the servo motor 1 0 operation, the servo motor 10 drives the bidirectional screw rod 7 on the front side to rotate, and under the action of the two synchronous pulleys 8 and the synchronous pulley 8, the two bidirectional screw rods 7 rotate synchronously, and the bidirectional screw rod 7 drives the two moving seats 2 to move away from each other, and the moving seat 2 on the left drives the support seat 1 4 to move to the left through the tension pressure sensor 3, and the moving seat 2 on the right drives the support seat 2 5 to move to the right, and the support seat 1 4 and the support seat 2 5 pull the cloth through the cloth pressing unit 6 to achieve the flattening of the cloth. At the same time, the tension pressure sensor 3 detects the tension of the cloth, and converts it into an electrical signal and transmits it to the external controller. When the tension reaches the specified value, the external controller controls the servo motor 10 to stop running, thereby having a good tensioning effect on the cloth, and then weaving work can be carried out. Similarly, when the cloth is not clamped, the servo motor 10 can be used to drive the bidirectional screw rod 7 to rotate to achieve the adjustment of the position of the support seat 1 4 and the support seat 2 5, so as to facilitate the fixation of cloths of different sizes.

[0024] It is worth noting that the tension and pressure sensor 3, electric push rod 645 and servo motor 10 disclosed in the above embodiments can be freely configured according to the actual application scenario. The tension and pressure sensor 3 can choose a tension and pressure sensor with model APMH-106, the electric push rod 645 can choose a micro electric push rod with model YMD-601, and the servo motor 10 can choose a servo motor with model R88M-G20030H-S2-Z. The external controller controls the operation of the tension and pressure sensor 3, the electric push rod 645 and the servo motor 10 using methods commonly used in the prior art.

[0025] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. Automatically adjust the embroidery frame of the embroidery machine, characterized by: It comprises a frame (1) and a cloth pressing unit (6); The frame (1) is slidably connected to a moving seat (2) at both left and right ends, the upper right side of the left moving seat (2) is slidably connected to a support seat 1 (4), a tension and pressure sensor (3) is provided between the left moving seat (2) and the support seat 1 (4), and a support seat 2 (5) is provided at the upper end of the right moving seat (2). The front and rear ends of the frame (1) are rotatably connected to a bidirectional screw rod (7) via bearings, the front end of the moving seat (2) is threadedly connected to the bidirectional screw rod (7) on the front side, and the rear end of the moving seat (2) is threadedly connected to the bidirectional screw rod (7) on the rear side, and the output end of the tension and pressure sensor (3) is electrically connected to the input end of an external controller; Cloth pressing units (6): There are two of them, which are respectively arranged on the upper surfaces of the first support seat (4) and the second support seat (5).

2. The automatic adjustment embroidery frame of the embroidery machine according to claim 1, characterized in that: The left ends of the bidirectional screw rods (7) are each provided with a synchronous pulley (8), and the two synchronous pulleys (8) are connected by a synchronous belt (9).

3. The automatic adjustment embroidery frame of the embroidery machine according to claim 1, characterized in that: A servo motor (10) is provided at the right end of the frame (1), the output shaft of the servo motor (10) is fixedly connected to the right end of the bidirectional screw rod (7) at the front side, and the input end of the servo motor (10) is electrically connected to the output end of the external controller.

4. The automatic adjustment embroidery frame of the embroidery machine according to claim 1, characterized in that: The cloth pressing unit (6) comprises a rotating shaft (61), a pressing plate (62) and a spring sheet (63); the rotating shaft (61) is rotatably connected to the upper ends of the support seat 1 (4) and the support seat 2 (5), respectively; the outer arc surface of the rotating shaft (61) is provided with a pressing plate (62); the upper surfaces of the support seat 1 (4) and the support seat 2 (5) are provided with a spring sheet (63); the spring sheet (63) is respectively arranged in cooperation with the laterally adjacent pressing plates (62).

5. The automatic adjustment embroidery frame of the embroidery machine according to claim 4, characterized in that: The cloth pressing unit (6) further comprises a driving assembly (64), wherein the driving assembly (64) is respectively arranged at the front ends of the support seat 1 (4) and the support seat 2 (5), and the upper ends of the driving assemblies (64) are respectively fixedly connected to the front ends of the vertically corresponding rotating shafts (61).

6. The automatic adjustment embroidery frame of the embroidery machine according to claim 5, characterized in that: The driving assembly (64) comprises a gear (641), a slide seat (642) and a rack (643), wherein the gear (641) is respectively arranged at the front end of the rotating shaft (61), the slide seat (642) is respectively arranged at the front side surface of the support seat 1 (4) and the support seat 2 (5), and the interior of the slide seat (642) is slidably connected with a rack (643), and the rack (643) is respectively meshed and connected with the gear (641) adjacent to the latter.

7. The automatic adjustment embroidery frame of the embroidery machine according to claim 6, characterized in that: The driving assembly (64) further comprises a connecting column (644) and an electric push rod (645), wherein the connecting column (644) is respectively arranged at the lower end of the rack (643) away from the side of the gear (641), and the electric push rod (645) is respectively arranged at the front end of the support seat 1 (4) and the support seat 2 (5) through the push rod seat, and the connecting column (644) is respectively slidably connected to the connecting block at the upper end of the vertically corresponding electric push rod (645), and the input end of the electric push rod (645) is electrically connected to the output end of the external controller.

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