Edge pressing device of woven bag sewing machine

Abstract

The utility model provides an edge pressing device of a woven bag sewing machine, which relates to the technical field of woven bag edge pressing, and comprises a working plate, the top surface of the working plate is connected with two moving plates in a sliding manner, the two moving plates are parallel to each other and are oppositely arranged, the bottom of the working plate is provided with a positioning mechanism, and the positioning mechanism comprises a rotating shaft; one end of the rotating shaft is rotationally connected to the bottom face of the working plate in a sleeving mode, the periphery of the rotating shaft is fixedly connected with a transmission wheel in a sleeving mode, the other end of the rotating shaft is fixedly connected with a shifting rod in a sleeving mode, and a sliding groove is formed in the side, away from the rotating shaft, of the shifting rod. According to the edge pressing device of the woven bag sewing machine, a first motor drives a first transmission rod to rotate, the first transmission rod, a moving shaft, a shifting rod and a rotating shaft are matched to drive a transmission wheel to rotate, and the transmission wheel, a second transmission rod, a push rod and a right-angle plate are matched to drive a moving plate to slide; the operation distance between the two transmission mechanisms is adjusted according to the size of the woven bag.

Description

Technical Field

[0001] The utility model relates to a woven bag edge pressing device, in particular to an edge pressing device of a woven bag sewing machine, and belongs to the technical field of woven bag edge pressing. Background Art

[0002] Woven bags, as bags for carrying various kinds of items, bring a lot of convenience to people; Woven bags for packaging granular and dusty materials require good sealing at one end to ensure that the packaged materials meet the shelf life requirements. It can be seen that when using a sewing machine to seal the edges of woven bags, the quality of the edge sealing is particularly important.

[0003] A press edge device of a woven bag sewing machine is disclosed in the Chinese patent application publication specification CN211171124U, and the press edge assembly includes a bracket, a jack and a press edge plate. The jack is fixed to the lower end surface of the bracket and is perpendicular to the upper end surface of the fixed seat, and the press edge plate is spaced apart from the fixed seat. The beneficial effects of the utility model are: preventing the curling assembly from scratching the woven bag, and the press edge will not rebound.

[0004] Although the above scheme can prevent the curling component from scratching the woven bag, the woven bag pressing device in the above patent is not convenient to adjust according to the pressing distance of woven bags of different sizes. The working distance of the pressing device is fixed. When replacing woven bags of different sizes, the pressing workpiece needs to be replaced, resulting in low pressing efficiency. For this reason, we provide a pressing device for a woven bag sewing machine to solve the above problems. Utility Model Content

[0005] The utility model provides a pressing device for a woven bag sewing machine, so as to solve the problem that the pressing device for the woven bag in the prior art is inconvenient to adjust the pressing distance according to the pressing distances of woven bags of different sizes.

[0006] The utility model is implemented through the following technical scheme: a pressing device of a woven bag sewing machine comprises a working plate, the top surface of the working plate is slidably connected to two movable plates, the two movable plates are parallel to each other and arranged oppositely, and a positioning mechanism is arranged at the bottom of the working plate.

[0007] Furthermore, the positioning mechanism includes a rotating shaft, one end of which is rotatably sleeved on the bottom surface of the working plate, and the outer periphery of the rotating shaft is fixedly sleeved on a transmission wheel, and the other end of the rotating shaft is fixedly sleeved with a lever, and a sliding groove is provided on the side of the lever away from the rotating shaft.

[0008] Furthermore, the positioning mechanism also includes a first motor fixed on the bottom surface of the work plate, a first transmission rod is fixed to the output end of the first motor, a movable shaft is fixedly sleeved on one end of the first transmission rod away from the first motor, and the outer periphery of the movable shaft is slidably connected to the inside of the slide groove.

[0009] Furthermore, the positioning mechanism also includes two second transmission rods rotatably connected to the bottom surface of the transmission wheel, and each of the second transmission rods is eccentrically arranged, and each of the second transmission rods is rotatably connected to a push rod at one end away from the transmission wheel, and each of the push rods is fixed with a right-angle plate at one end away from the second transmission rod, and one side surface of each of the right-angle plates is fixedly connected to one side surface of a movable plate, and a movable groove is provided on the working plate, and the outer surface of each of the right-angle plates is slidably connected to the inside of the movable groove.

[0010] The positioning mechanism is used to drive the two movable plates to move relative to each other.

[0011] A transmission mechanism is correspondingly arranged on one side of each movable plate.

[0012] Furthermore, the transmission mechanism includes a slider slidably connected to the inside of the moving plate and a support frame fixed to one side of the moving plate, the slider is provided with a threaded hole, the threaded hole inside the slider is threadedly connected to a threaded rod, the end of the threaded rod away from the slider passes through the support frame and is fixedly sleeved with a rotating wheel, the outer periphery of the threaded rod is rotatably sleeved inside the support frame, and the slider passes through the moving plate and is fixed with a cross plate on one side away from the support frame.

[0013] Furthermore, the transmission mechanism also includes two sliding rods slidably connected to the inside of the horizontal plate, the two sliding rods are arranged parallel to each other, the top end of each sliding rod is fixed on the connecting rod, the bottom end of each sliding rod passes through the horizontal plate and is fixed on the working rod, and a compression spring is arranged between the working rod and the horizontal plate.

[0014] The execution end of the transmission mechanism is used for pressing the edge of the woven bag, and a rotating mechanism is arranged on the working plate.

[0015] Furthermore, the rotating mechanism includes a support plate fixed on the upper surface of the working plate, a second motor is fixed to one side of the support plate, a rotating rod is fixed to the output end of the second motor, and a transmission sleeve is fixedly sleeved on the outer periphery of the rotating rod.

[0016] Furthermore, the transmission sleeve is a cam structure, and the rotating transmission sleeve can drive the working rod to approach or move away from the working board through the connecting rod and the sliding rod.

[0017] The rotating mechanism is used to drive the execution end of each transmission mechanism to approach or move away from the top surface of the working plate.

[0018] The utility model provides a pressing device for a woven bag sewing machine, which has the following beneficial effects:

[0019] 1. The edge pressing device of the woven bag sewing machine drives the first transmission rod to rotate through the first motor, drives the transmission wheel to rotate through the cooperation between the first transmission rod, the movable shaft, the lever and the rotating shaft, drives the movable plate to slide through the cooperation between the transmission wheel, the second transmission rod, the push rod and the right-angle plate, and adjusts the operating distance of the two transmission mechanisms according to the size of the woven bag.

[0020] 2. The edge pressing device of the woven bag sewing machine rotates the wheel through external force, and drives the transmission mechanism to move through the cooperation between the wheel, the threaded rod and the slider, and adjusts the distance between the transmission mechanism and the movable plate, so as to adjust the distance between the edge pressing position of the woven bag and the edge of the woven bag, and then drives the working rod to press the edge of the woven bag through the cooperation between the rotating mechanism, the connecting rod and the sliding rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0022] Figure 2 It is a structural side view of the movable plate in the utility model;

[0023] Figure 3 It is a three-dimensional structural schematic diagram of the positioning mechanism in the utility model;

[0024] Figure 4 It is a three-dimensional structural schematic diagram of the transmission mechanism in the utility model.

[0025] Description of Reference Numerals

[0026] 1. Work board; 2. Mobile board; 3. Mobile slot;

[0027] 4. Positioning mechanism; 41. First motor; 42. First transmission rod; 43. Moving shaft; 44. Rotating shaft; 45. Push rod; 46. Slide groove; 47. Transmission wheel; 48. Second transmission rod; 49. Push rod; 491. Right angle plate;

[0028] 5. Transmission mechanism; 51. Sliding block; 52. Threaded rod; 53. Rotating wheel; 54. Support frame; 55. Horizontal plate; 56. Sliding rod; 57. Working rod; 58. Compression spring; 59. Connecting rod;

[0029] 6. Rotating mechanism; 61. Support plate; 62. Second motor; 63. Rotating rod; 64. Transmission sleeve. DETAILED DESCRIPTION

[0030] Please refer to Figure 1 and Figure 2 The embodiment of the utility model provides a pressing device for a woven bag sewing machine, including a working plate 1, the top surface of the working plate 1 is slidably connected to two movable plates 2, the two movable plates 2 are parallel to each other and arranged oppositely, and a positioning mechanism 4 is arranged at the bottom of the working plate 1.

[0031] Please refer to Figure 3 The positioning mechanism 4 includes a rotating shaft 44, one end of which is rotatably sleeved to the bottom surface of the working plate 1, and a transmission wheel 47 is fixedly sleeved on the outer periphery of the rotating shaft 44, and a lever 45 is fixedly sleeved on the other end of the rotating shaft 44, and a sliding groove 46 is provided on the side of the lever 45 away from the rotating shaft 44.

[0032] The positioning mechanism 4 also includes a first motor 41 fixed to the bottom surface of the work board 1, and a first transmission rod 42 is fixed to the output end of the first motor 41. A moving shaft 43 is fixedly sleeved on one end of the first transmission rod 42 away from the first motor 41. The outer periphery of the moving shaft 43 is slidably connected to the inside of the slide groove 46. The transmission wheel 47 is driven to rotate horizontally on the bottom surface of the work board 1 through the cooperation between the first transmission rod 42, the moving shaft 43, the lever 45 and the rotating shaft 44.

[0033] The positioning mechanism 4 also includes two second transmission rods 48 rotatably connected to the bottom surface of the transmission wheel 47, and each second transmission rod 48 is eccentrically arranged, and one end of each second transmission rod 48 away from the transmission wheel 47 is rotatably connected to a push rod 49, and one end of each push rod 49 away from the second transmission rod 48 is fixed with a right-angle plate 491. The cooperation between the transmission wheel 47, the second transmission rod 48, the push rod 49 and the right-angle plate 491 drives the movable plate 2 to slide horizontally on the top surface of the working plate 1, and one side surface of each right-angle plate 491 is fixedly connected to one side surface of a movable plate 2. A movable groove 3 is provided on the working plate 1, and the outer surface of each right-angle plate 491 is slidably connected to the inside of the movable groove 3.

[0034] In the above scheme, the first motor 41 drives the first transmission rod 42 to rotate, and the cooperation among the first transmission rod 42, the movable shaft 43, the lever 45 and the rotating shaft 44 drives the transmission wheel 47 to rotate horizontally on the bottom surface of the working plate 1. The cooperation among the transmission wheel 47, the second transmission rod 48, the push rod 49 and the right-angle plate 491 drives the movable plate 2 to slide horizontally on the top surface of the working plate 1, and the working distance of the two transmission mechanisms 5 is adjusted according to the size of the woven bag.

[0035] Please refer to Figure 1 and Figure 2 The positioning mechanism 4 is used to drive the two movable plates 2 to move relative to each other.

[0036] A transmission mechanism 5 is correspondingly arranged on one side of each movable plate 2 .

[0037] Please refer to Figure 4The transmission mechanism 5 includes a slider 51 slidably connected to the inside of the moving plate 2 and a support frame 54 fixed to one side of the moving plate 2. A threaded hole is provided inside the slider 51, and a threaded rod 52 is threadedly connected to the threaded hole inside the slider 51. The end of the threaded rod 52 away from the slider 51 passes through the support frame 54 and is fixedly sleeved with a rotating wheel 53. The outer periphery of the threaded rod 52 is rotatably sleeved inside the support frame 54, and the transmission mechanism 5 is driven to move through the cooperation between the rotating wheel 53, the threaded rod 52 and the slider 51. The side of the slider 51 away from the support frame 54 passes through the moving plate 2 and is fixed with a cross plate 55.

[0038] The transmission mechanism 5 also includes two sliding rods 56 slidably connected to the inside of the cross plate 55. The two sliding rods 56 are arranged parallel to each other. The top end of each sliding rod 56 is fixed on the connecting rod 59. The bottom end of each sliding rod 56 passes through the cross plate 55 and is fixed on the working rod 57. A compression spring 58 is arranged between the working rod 57 and the cross plate 55 to provide elastic support for the working rod 57.

[0039] In the above scheme, the rotating wheel 53 is rotated by external force, and the transmission mechanism 5 is driven to move through the cooperation between the rotating wheel 53, the threaded rod 52 and the slider 51, and the distance between the transmission mechanism 5 and the movable plate 2 is adjusted, so as to adjust the distance between the edge pressing position of the woven bag and the edge of the woven bag, and the compression spring 58 provides elastic support for the working rod 57.

[0040] Please refer to Figure 1 and Figure 2 The execution end of the transmission mechanism 5 is used to press the edge of the woven bag, and a rotating mechanism 6 is provided on the working plate 1.

[0041] Please refer to Figure 4 The rotating mechanism 6 includes a supporting plate 61 fixed on the upper surface of the working plate 1, a second motor 62 is fixed to one side of the supporting plate 61, a rotating rod 63 is fixed to the output end of the second motor 62, and a transmission sleeve 64 is fixedly sleeved on the outer periphery of the rotating rod 63. The working rod 57 is driven to move to perform the edge pressing operation on the woven bag through the cooperation between the rotating rod 63, the transmission sleeve 64, the connecting rod 59 and the sliding rod 56.

[0042] The transmission sleeve 64 is a cam structure, and the rotating transmission sleeve 64 can drive the working rod 57 to approach or move away from the working board 1 through the connecting rod 59 and the sliding rod 56 .

[0043] The rotating mechanism 6 is used to drive the execution end of each transmission mechanism 5 to approach or move away from the top surface of the working plate 1 .

[0044] In the above scheme, the second motor 62 drives the rotating rod 63 to rotate, and the cooperation among the rotating rod 63, the transmission sleeve 64, the connecting rod 59 and the sliding rod 56 drives the working rod 57 to move to perform the edge pressing operation on the woven bag.

[0045] The utility model is in use: when the edge pressing device is used, the woven bag is placed above the working plate 1, the first motor 41 drives the first transmission rod 42 to rotate, the first transmission rod 42, the movable shaft 43, the lever 45 and the rotating shaft 44 cooperate to drive the transmission wheel 47 to rotate horizontally on the bottom surface of the working plate 1, the transmission wheel 47, the second transmission rod 48, the push rod 49 and the right-angle plate 491 cooperate to drive the movable plate 2 to slide horizontally on the top surface of the working plate 1, and adjust the working distance of the two transmission mechanisms 5 according to the size of the woven bag; the rotating wheel 53 is rotated by external force, and the transmission mechanism 5 is driven to move by the cooperation between the rotating wheel 53, the threaded rod 52 and the slider 51, and the distance between the transmission mechanism 5 and the movable plate 2 is adjusted, so as to adjust the distance between the edge pressing position of the woven bag and the edge of the woven bag, and the compression spring 58 provides elastic support for the working rod 57; then the second motor 62 drives the rotating rod 63 to rotate, and the cooperation between the rotating rod 63, the transmission sleeve 64, the connecting rod 59 and the sliding rod 56 drives the working rod 57 to move to perform the edge pressing operation on the woven bag.

[0046] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A pressing device for a woven bag sewing machine, comprising a working plate (1), characterized in that: The top surface of the work plate (1) is slidably connected to two movable plates (2), the two movable plates (2) are parallel to each other and arranged opposite to each other, and a positioning mechanism (4) is arranged at the bottom of the work plate (1), and the positioning mechanism (4) is used to drive the two movable plates (2) to move relative to each other; A transmission mechanism (5) is correspondingly arranged on one side of each movable plate (2), and an execution end of the transmission mechanism (5) is used to press the edge of the woven bag, and a rotating mechanism (6) is arranged on the working plate (1), and the rotating mechanism (6) is used to drive the execution end of each transmission mechanism (5) to approach or move away from the top surface of the working plate (1).

2. The edge pressing device of a woven bag sewing machine according to claim 1, characterized in that: The positioning mechanism (4) comprises a rotating shaft (44), one end of which is rotatably sleeved on the bottom surface of the working plate (1), and a transmission wheel (47) is fixedly sleeved on the periphery of the rotating shaft (44), and a lever (45) is fixedly sleeved on the other end of the rotating shaft (44), and a sliding groove (46) is provided on the side of the lever (45) away from the rotating shaft (44).

3. The edge pressing device of a woven bag sewing machine according to claim 2, characterized in that: The positioning mechanism (4) further comprises a first motor (41) fixed to the bottom surface of the working plate (1); a first transmission rod (42) is fixed to the output end of the first motor (41); a movable shaft (43) is fixedly sleeved on one end of the first transmission rod (42) away from the first motor (41); and the outer periphery of the movable shaft (43) is slidably connected to the inside of the slide groove (46).

4. The edge pressing device of a woven bag sewing machine according to claim 2, characterized in that: The positioning mechanism (4) also includes two second transmission rods (48) rotatably connected to the bottom surface of the transmission wheel (47), and each of the second transmission rods (48) is eccentrically arranged, and each of the second transmission rods (48) is rotatably connected to a push rod (49) at one end away from the transmission wheel (47), and each of the push rods (49) is fixed with a right-angle plate (491) at one end away from the second transmission rod (48), and one side surface of each of the right-angle plates (491) is correspondingly fixedly connected to one side surface of a movable plate (2), and a movable groove (3) is provided on the working plate (1), and the outer surface of each of the right-angle plates (491) is slidably connected to the inside of the movable groove (3).

5. The edge pressing device of a woven bag sewing machine according to claim 1, characterized in that: The transmission mechanism (5) comprises a slider (51) slidably connected to the inside of the moving plate (2) and a support frame (54) fixed to a side of the moving plate (2); a threaded hole is provided inside the slider (51); a threaded rod (52) is threadedly connected to the threaded hole inside the slider (51); an end of the threaded rod (52) away from the slider (51) passes through the support frame (54) and is fixedly sleeved with a rotating wheel (53); the outer periphery of the threaded rod (52) is rotatably sleeved inside the support frame (54); and a side of the slider (51) away from the support frame (54) passes through the moving plate (2) and is fixedly sleeved with a transverse plate (55).

6. The edge pressing device of a woven bag sewing machine according to claim 5, characterized in that: The transmission mechanism (5) further comprises two slide bars (56) slidably connected inside the transverse plate (55), the two slide bars (56) being arranged parallel to each other, the top end of each slide bar (56) being fixed on a connecting rod (59), the bottom end of each slide bar (56) passing through the transverse plate (55) and then being fixed on an operating rod (57), and a compression spring (58) being arranged between the operating rod (57) and the transverse plate (55).

7. The edge pressing device of a woven bag sewing machine according to claim 6, characterized in that: The rotating mechanism (6) comprises a supporting plate (61) fixed on the upper surface of the working plate (1), a second motor (62) being fixed on one side of the supporting plate (61), a rotating rod (63) being fixed on the output end of the second motor (62), and a transmission sleeve (64) being fixedly sleeved on the outer periphery of the rotating rod (63).

8. The edge pressing device of a woven bag sewing machine according to claim 7, characterized in that: The transmission sleeve (64) is a cam structure, and the rotating transmission sleeve (64) can drive the working rod (57) to approach or move away from the working plate (1) through the connecting rod (59) and the sliding rod (56).

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