Frame driving device for embroidery machine

Abstract

The utility model relates to a frame driving device for an embroidery machine, and relates to the field of embroidery machine frame driving, the frame driving device comprises a base, a transmission assembly is arranged on the base, and the transmission assembly is in transmission connection with a transmission belt; a first connecting seat and a second connecting seat which are respectively arranged on two sides of the transmission assembly and are used for connecting an embroidery machine frame are connected to the base in a sliding manner; a mounting groove is formed in the first connecting seat, a first tensioning mechanism is arranged in the mounting groove, the first tensioning mechanism comprises a rotary drum rotationally connected with the first connecting seat, one end of the transmission belt is fixedly wound around the rotary drum, and the other end of the transmission belt is connected with the second connecting seat; the rotating drum is connected with a spring assembly, and the spring assembly is used for providing tensioning power for the rotating drum. The embroidery machine frame driving device has the effect of preventing the driving belt from being deformed due to stress in the transmission process, so that the driving efficiency of the embroidery machine frame driving device is not influenced.

Description

Technical Field

[0001] The present application relates to the field of embroidery machine frame driving, and in particular to a frame driving device for an embroidery machine. Background Art

[0002] When the embroidery machine is embroidering, the position of the embroidery machine frame needs to be adjusted to cooperate with the moving needle bar to embroider the pattern. The frame driving device of the embroidery machine is used to adjust the position of the embroidery machine frame.

[0003] The frame of a large embroidery machine has a large overall area. The existing drive of the embroidery machine frame is to set a driving mechanism on one side of the embroidery machine frame to drive the entire embroidery machine frame to move. However, the driving force on one side of the embroidery machine frame easily causes the embroidery machine frame to deform, and the long-distance torque transmission affects the precision of the drive. Prior art CN206486682U discloses an open embroidery machine frame driving device, which realizes synchronous driving of both sides of the embroidery machine frame by setting connecting seats on both sides of the embroidery machine frame, both connecting seats are connected to toothed belts, and a motor-driven meshing wheel group is set between the two connecting seats, thereby reducing the risk of deformation of one side of the embroidery machine frame under force and increasing the driving precision and stability.

[0004] With respect to the above-mentioned related technologies, the inventors believe that during the transmission process through the toothed belt, the toothed belt is easily deformed by the thrust, causing the toothed belt to become loose, thereby reducing the meshing tightness with the meshing wheel set, thereby reducing the driving efficiency of the device. Utility Model Content

[0005] In order to solve the problem that the toothed belt is easily deformed during the transmission process, reducing the meshing tightness between the toothed belt and the meshing wheel set, thereby reducing the driving efficiency of the embroidery machine frame driving device, the present application provides a frame driving device for an embroidery machine.

[0006] The present application provides a frame driving device for an embroidery machine, which adopts the following technical solution:

[0007] A frame driving device for an embroidery machine comprises a base, a transmission assembly is arranged on the base, a transmission belt is connected to the transmission assembly, a first connecting seat and a second connecting seat are slidably connected to the base, which are respectively arranged on both sides of the transmission assembly and are used to connect the embroidery machine frame; a mounting groove is opened in the first connecting seat, a first tensioning mechanism is arranged in the mounting groove, the first tensioning mechanism comprises a rotating drum rotatably connected to the first connecting seat, one end of the transmission belt is fixedly wound around the rotating drum, and the other end of the transmission belt is connected to the second connecting seat, and the rotating drum is connected to a spring assembly, and the spring assembly is used to provide tensioning power to the rotating drum.

[0008] By adopting the above technical solution, the transmission assembly drives the transmission belt to move, and the transmission belt drives the first connecting seat and the second connecting seat to move when moving, thereby realizing the movement of the embroidery machine frame. One end of the transmission belt is connected to the rotating drum, and the spring assembly provides tensioning power to the rotating drum, so that the rotating drum tensions the transmission belt. When the transmission belt is deformed during the force transmission process, the first tensioning mechanism tensions the transmission belt, so that the deformation of the transmission belt does not affect the tightness of the connection between the transmission belt and the transmission assembly.

[0009] Optionally, the clockwork assembly includes a fixing sleeve fixedly connected to the inner wall of the first connecting seat, a clockwork is arranged in the fixing sleeve, the outermost end of the clockwork is fixedly connected to the inner wall of the fixing sleeve, the innermost end of the clockwork is fixedly connected to a transmission rod, and the transmission rod is fixedly connected to the rotating drum.

[0010] By adopting the above technical solution, the mainspring is connected to the rotating drum through the transmission rod. When the transmission belt is deformed and becomes loose, the mainspring drives the rotating drum to rotate through the transmission rod, thereby tightening the transmission belt.

[0011] Optionally, a sliding wheel is connected to one side of the first connecting seat away from the embroidery machine frame.

[0012] By adopting the above technical solution, the setting of the sliding wheel reduces the sliding friction between the first connecting seat and the base, thereby reducing the thrust exerted on the transmission belt during the transmission process, and further reducing the possibility of deformation of the transmission belt.

[0013] Optionally, the transmission assembly includes a transmission motor connected to the base, a transmission shaft of the transmission motor is fixedly connected to a transmission gear, the transmission gear is connected to the transmission belt, guide wheels are respectively provided on both sides above the transmission gear, the guide wheels are connected to the transmission belt, so that both sides of the transmission belt remain level.

[0014] By adopting the above technical solution, the transmission motor drives the transmission gear to rotate, the transmission gear drives the transmission belt to move, and the transmission belt drives the first connecting seat and the second connecting seat to move when moving, thereby realizing the movement of the embroidery machine frame. The guide wheel keeps both sides of the transmission belt horizontal, so that the embroidery machine frame moves in the horizontal direction.

[0015] Optionally, the transmission belt is a toothed belt, and the transmission belt is meshedly connected with the transmission gear and the guide wheel respectively.

[0016] By adopting the above technical solution, the transmission belt is meshed with the transmission gear, so that the transmission belt and the transmission assembly are tightly connected, and the transmission process has better precision. The hardness of the transmission belt itself can realize the pushing of the first connecting seat and the second connecting seat, thereby driving the embroidery machine frame to move.

[0017] Optionally, a guide plate is provided on the base to prevent the transmission belt from deforming during the movement under force, and the guide plates are arranged on both sides of the transmission assembly. The guide plates are provided with guide holes, and the transmission belt passes through the guide holes.

[0018] By adopting the above technical solution, the guide plate guides the transmission belt, reducing the deformation space of the transmission belt, thereby reducing the degree of deformation of the transmission belt.

[0019] Optionally, the guide plate includes a fixed sleeve connected to the base, a movable sleeve is slidably connected inside the fixed sleeve, and the transmission belt passes through the fixed sleeve and the movable sleeve.

[0020] By adopting the above technical solution, when the first connecting seat or the second connecting seat moves toward the direction close to the transmission assembly, it will push the movable sleeve to slide inside the fixed sleeve, thereby increasing the moving range of the first connecting seat, and further increasing the moving range of the embroidery machine frame.

[0021] Optionally, the movable sleeve is connected to a return spring, and one end of the return spring away from the movable sleeve is connected to the fixed sleeve.

[0022] By adopting the above technical solution, when the first connecting seat or the second connecting seat moves away from the transmission assembly, the return spring pushes the movable sleeve to extend out of the fixed sleeve, so that the guiding distance of the guide plate to the transmission belt is increased, thereby improving the guiding effect and reducing the deformation of the transmission belt.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. The spring assembly provides tensioning power for the drum, so that the drum tensions the transmission belt. When the transmission belt is deformed during the force transmission process, the first tensioning mechanism tensions the transmission belt so that the deformation of the transmission belt does not affect the tightness of the connection between the transmission belt and the transmission assembly;

[0025] 2. The setting of the sliding wheel reduces the sliding friction between the first connecting seat and the second connecting seat and the base, thereby reducing the thrust received by the transmission belt during the transmission process, and further reducing the possibility of deformation of the transmission belt;

[0026] 3. The guide plate guides the transmission belt, reducing the deformation space of the transmission belt, thereby reducing the degree of deformation of the transmission belt, and further reducing the influence of the deformation of the transmission belt on the driving accuracy of the embroidery machine frame driving device. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic cross-sectional structure diagram of a frame driving device for an embroidery machine;

[0028] Figure 2 is a schematic cross-sectional structural diagram of the first connecting seat;

[0029] Figure 3 is a schematic cross-sectional structural diagram of the first connecting seat;

[0030] Figure 4 It is a schematic diagram of the cross-sectional structure of the transmission assembly and the guide plate;

[0031] Figure 5 It is a schematic diagram of the cross-sectional structure of the guide plate.

[0032] Explanation of the accompanying drawings: 1. base; 11. slide groove; 2. transmission assembly; 21. transmission motor; 22. transmission gear; 23. guide wheel; 3. transmission belt; 4. first connecting seat; 41. mounting groove; 42. first tensioning mechanism; 421. rotating drum; 422. spring assembly; 4221. fixing sleeve; 4222. spring; 4223. transmission rod; 43. sliding wheel; 5. second connecting seat; 51. second tensioning mechanism; 6. guide plate; 61. fixing plate; 611. limiting groove; 62. movable plate; 621. limiting block; 622. reset spring; 63. guide hole; 7. embroidery machine frame. DETAILED DESCRIPTION

[0033] The following is combined with Figure 1-5 This application is described in further detail.

[0034] The embodiment of the present application discloses a frame driving device for an embroidery machine.

[0035] Reference Figure 1 , Figure 2 and Figure 3 A frame driving device for an embroidery machine includes a base 1, a transmission assembly 2 is arranged on the base 1, and a transmission belt 3 is connected to the transmission assembly 2. A first connection seat 4 and a second connection seat 5 are slidably connected to the base 1 and are respectively arranged on both sides of the transmission assembly 2 for connecting an embroidery machine frame 7. A mounting groove 41 is provided in the first connection seat 4, and a first tensioning mechanism 42 is arranged in the mounting groove 41. The first tensioning mechanism 42 includes a rotating drum 421 that is rotatably connected to the first connection seat 4. One end of the transmission belt 3 is fixedly wound around the rotating drum 421, and the rotating drum 421 is connected to a spring assembly 422. The spring assembly 422 is used to provide tensioning power to the rotating drum 421, and the end of the spring assembly 422 away from the rotating drum 421 is connected to the first connection seat 4. The structure of the second connection seat 5 is the same as that of the first connection seat 4. A guide plate 6 is arranged on the base 1 to prevent the transmission belt 3 from deforming during the force movement process.

[0036] The second connection seat 5 is connected with a second tensioning mechanism 51, and the second tensioning mechanism 51 and the first tensioning mechanism 42 on the first connection seat 4 tension the two ends of the transmission belt 3, so that the transmission belts 3 on both sides of the transmission assembly 2 are kept in a tensioned state. When the transmission belt 3 on one side is deformed by force during the transmission process, the first tensioning mechanism 42 or the second tensioning mechanism 51 corresponding to one side tensions the transmission belt 3, so that the transmission belts 3 on both sides of the transmission assembly 2 are kept in a tensioned state. The first tensioning mechanism 42 and the second tensioning mechanism 51 are connected to the two ends of the transmission belt 3, respectively, so that the deformation of the transmission belt 3 does not affect the tightness of the connection between the transmission belt 3 and the transmission assembly 2.

[0037] The clockwork assembly 422 includes a fixing sleeve 4221 fixedly connected to the inner wall of the first connecting seat 4, a clockwork 4222 is arranged in the fixing sleeve 4221, the clockwork 4222 is parallel to the inner wall of the first connecting seat 4, the outermost end of the clockwork 4222 is fixedly connected to the inner wall of the fixing sleeve 4221, the innermost end of the clockwork 4222 is fixedly connected to the transmission rod 4223, and the end of the transmission rod 4223 away from the clockwork 4222 is fixedly connected to the horizontal side of the rotating drum 421.

[0038] A sliding wheel 43 is fixedly connected to the side of the first connecting seat 4 away from the embroidery machine frame 7. A sliding groove 11 is provided on the base 1, and the first connecting seat 4 is slidingly connected to the sliding groove 11, and the sliding wheel 43 is slidingly connected to the inner wall of the sliding groove 11. The sliding wheel 43 makes the first connecting seat 4 receive less friction when moving in the sliding groove 11, thereby reducing the transmission tension of the transmission belt 3, and further reducing the possibility of deformation of the transmission belt 3.

[0039] Reference Figure 4 and Figure 5 The transmission assembly 2 includes a transmission motor 21 fixedly connected to the base 1, a transmission shaft of the transmission motor 21 is fixedly connected to a transmission gear 22, and guide wheels 23 are arranged on both sides above the transmission gear 22. The transmission belt 3 is a toothed belt, the transmission belt 3 is meshed and connected with the transmission gear 22, and the transmission belt 3 is slidably connected with the guide wheels 23. The guide wheels 23 keep both ends of the transmission belt 3 horizontal, so that the embroidery machine frame 7 moves horizontally under the drive of the transmission belt 3.

[0040] The guide plate 6 is arranged on both sides of the guide wheel 23. The guide plate 6 includes a fixed plate 61 connected to the base 1. A movable plate 62 is slidably connected in the fixed plate 61. A limiting groove 611 is provided in the fixed plate 61. A limiting block 621 is fixedly connected to the movable plate 62. The limiting block 621 is slidably connected to the limiting groove 611. There are two limiting blocks 621. A return spring 622 is fixedly connected to the side of the limiting block 621 close to the fixed plate 61. One end of the return spring 622 away from the movable plate 62 is fixedly connected to the inner wall of the fixed plate 61. A guide hole 63 is provided on both the fixed plate 61 and the movable plate 62. The transmission belt 3 passes through the guide hole 63.

[0041] The implementation principle of the frame driving device for an embroidery machine in the embodiment of the present application is as follows: the transmission motor 21 drives the transmission gear 22 to rotate, the transmission gear 22 drives the transmission belt 3 meshed with it to move, the two ends of the transmission belt 3 are connected to the first connecting seat 4 and the second connecting seat 5, and the first connecting seat 4 and the second connecting seat 5 drive the embroidery machine frame level 7 to move. The first tensioning mechanism 42 on the first connecting seat 4 and the second tensioning mechanism 51 on the second connecting seat 5 tension the transmission belt 3, and when the transmission belt 3 is deformed due to force, the tensioning state can be maintained, so as not to affect the tightness of the connection between the transmission belt 3 and the transmission gear 22. The guide plate 6 arranged on the base 1 guides the transmission belt 3, reduces the deformation space of the transmission belt 3, thereby reducing the deformation degree of the transmission belt 3 and increasing the service life of the transmission belt 3.

[0042] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A frame driving device for an embroidery machine, characterized in that: The invention comprises a base (1), wherein a transmission assembly (2) is arranged on the base (1), wherein the transmission assembly (2) is transmission-connected to a transmission belt (3), wherein a first connection seat (4) and a second connection seat (5) are slidably connected to the base (1), which are respectively arranged on both sides of the transmission assembly (2) and used to connect to an embroidery machine frame (7); a mounting groove (41) is provided in the first connection seat (4), wherein a first tensioning mechanism (42) is arranged in the mounting groove (41), wherein the first tensioning mechanism (42) comprises a rotating drum (421) rotationally connected to the first connection seat (4), wherein one end of the transmission belt (3) is fixedly wound around the rotating drum (421), and the other end of the transmission belt (3) is connected to the second connection seat (5), wherein the rotating drum (421) is connected to a spring assembly (422), wherein the spring assembly (422) is used to provide tensioning power to the rotating drum (421).

2. The frame driving device for an embroidery machine according to claim 1, characterized in that: The clockwork spring assembly (422) comprises a fixing sleeve (4221) fixedly connected to the inner wall of the first connecting seat (4); a clockwork spring (4222) is arranged in the fixing sleeve (4221); the outermost end of the clockwork spring (4222) is fixedly connected to the inner wall of the fixing sleeve (4221); the innermost end of the clockwork spring (4222) is fixedly connected to a transmission rod (4223); and the transmission rod (4223) is fixedly connected to the rotating drum (421).

3. The frame driving device for an embroidery machine according to claim 2, characterized in that: A sliding wheel (43) is connected to the side of the first connecting seat (4) away from the embroidery machine frame (7).

4. The frame driving device for an embroidery machine according to claim 1, characterized in that: The transmission assembly (2) comprises a transmission motor (21) connected to the base (1); a transmission shaft of the transmission motor (21) is fixedly connected to a transmission gear (22); the transmission gear (22) is transmission-connected to the transmission belt (3); guide wheels (23) are respectively provided on both sides above the transmission gear (22); the guide wheels (23) are connected to the transmission belt (3) so that both ends of the transmission belt (3) remain horizontal.

5. The frame driving device for an embroidery machine according to claim 4, characterized in that: The transmission belt (3) is a toothed belt, and the transmission belt (3) is meshingly connected to the transmission gear (22) and the guide wheel (23) respectively.

6. The frame driving device for an embroidery machine according to claim 1, characterized in that: The base (1) is provided with a guide plate (6) for preventing the transmission belt (3) from deforming during the process of being moved under force; the guide plate (6) is arranged on both sides of the transmission assembly (2); the guide plate (6) is provided with a guide hole (63), and the transmission belt (3) passes through the guide hole (63).

7. The frame driving device for an embroidery machine according to claim 6, characterized in that: The guide plate (6) comprises a fixed plate (61) connected to the base (1), a movable plate (62) is slidably connected inside the fixed plate (61), and the transmission belt (3) passes through the fixed plate (61) and the movable plate (62).

8. The frame driving device for an embroidery machine according to claim 7, characterized in that: The movable plate (62) is connected to a return spring (622), and one end of the return spring (622) away from the movable plate (62) is connected to the fixed plate (61).

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