Edge cutting equipment of sewing machine

Abstract

The utility model provides an edge cutting device of a sewing machine, which comprises a collecting and conveying assembly, the collecting and conveying assembly is arranged on the top of a supporting bedplate, and the collecting and conveying assembly is used for rolling waste materials with edges cut and conveying the materials with the edges cut; and the edge cutting module is arranged at the position between the guiding assembly and the receiving and conveying assembly, the edge cutting module is installed on the top of the supporting table plate, and the edge cutting module is used for conducting edge cutting treatment on the materials to be subjected to edge cutting. The positions of the cutting assemblies on the two sides can be adjusted through the adjusting assemblies, so that the positions of the cutting assemblies can be adjusted according to the shape of a to-be-cut material or the shape of a needed material, and the flexibility of the cutting assemblies in use is improved; and meanwhile, the collecting and conveying assembly can be used for conveying the cut finished product materials to the sewing machine for follow-up treatment, and the cut waste materials can be rolled.

Description

Technical Field

[0001] The utility model relates to the field of sewing machines, in particular to a trimming device for sewing machines. Background Art

[0002] A sewing machine is a machine that uses one or more sewing threads to create one or more stitches on the material being sewn, interweaving or sewing one or more layers of material. Sewing machines can sew fabrics such as cotton, linen, silk, wool, and synthetic fibers, as well as products such as leather, plastic, and paper. The stitches produced are neat, beautiful, smooth, and firm, with fast sewing speeds and ease of use. Sewing machines are categorized by their intended use into household, industrial, and service industry types. They are also categorized by their drive mode into hand-crank, foot-operated, and electric machines. The stitches produced into sewing machines include imitation hand-stitching, lockstitching, single-thread chain stitching, double-thread or multi-thread chain stitching, single-thread or multi-thread overlock chain stitching, and multi-thread overlay chain stitching.

[0003] When sewing materials such as hemming, it is necessary to cut off excess waste materials, i.e., trimming. In the authorized Chinese utility model patent "Announcement No.: CN213896268U, Name: A left and right sewing and trimming device", a design is adopted in which processing components are respectively arranged on the left and right sides. The sewing machines and cutting knives on both sides can simultaneously perform sewing and cutting on the left and right sides of the sewing material, thereby greatly improving work efficiency. However, in the above application, the cut waste materials are directly piled up on the table, resulting in a messy table, affecting the subsequent processing of the waste materials and sewing operations. At the same time, the position of the cutting knife is difficult to adjust according to the size of the material or the shape of the material to be cut, affecting the flexibility of the trimming equipment when used. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a trimming device for a sewing machine in order to overcome the defects in the prior art that the position of the trimming knife is difficult to adjust flexibly and the trimmed waste is randomly piled up, which affects the neatness of the table.

[0005] The utility model solves the above technical problems through the following technical solutions:

[0006] The utility model provides a trimming device for a sewing machine, comprising a supporting plate,

[0007] A guide assembly is mounted on the top of the support plate and is used to guide and transport the material to be trimmed;

[0008] A receiving and delivering assembly is installed on the top of the supporting platen and is used to reel in the trimmed waste and to transport the trimmed material;

[0009] A trimming module is provided between the guide assembly and the receiving and delivering assembly, and is mounted on top of the support platen, and is used to perform trimming processing on the material to be trimmed;

[0010] The trimming module includes two cutting components and an adjustment component. The adjustment component is installed on the top of the supporting table. The cutting component is used to trim the material to be trimmed. The adjustment component is connected to the two cutting components and is used to synchronously adjust the positions of the two cutting components.

[0011] In this technical solution, the position of the cutting components on both sides can be adjusted by using an adjustment component, so that the position of the cutting components can be adjusted according to the shape of the material to be cut or the shape of the required material, thereby increasing the flexibility of the cutting components when used. At the same time, the receiving and sending components can be used to transfer the cut finished materials to the sewing machine for subsequent processing, and the cut waste materials can also be rolled up to avoid the waste materials being directly stacked on the work surface and affecting the subsequent processing of the materials.

[0012] Preferably, the guide assembly includes two guide shafts, and the two guide shafts are symmetrically distributed up and down;

[0013] Both ends of the two guide shafts are rotatably connected with fixed plates, and the bottoms of the two fixed plates are connected to the top of the supporting platform.

[0014] In this technical solution, the guide assembly can be used to transport and guide the material to be cut.

[0015] Preferably, the receiving and sending assembly includes an upper transmission shaft and a lower transmission shaft, and the upper transmission shaft and the lower transmission shaft are distributed up and down;

[0016] The upper transmission shaft and the lower transmission shaft are both fixed to the surface of the central column. Both ends of the central column are rotatably connected to reinforcement plates, and the bottom of the reinforcement plate is connected to the top of the support platform.

[0017] In this technical solution, the upper transmission shaft and the lower transmission shaft can be used to transport the finished material after trimming.

[0018] Preferably, both ends of the central column located at the bottom are rotatably connected to the reinforcing plate respectively, and both ends of the reinforcing plate are connected to the retractable shaft.

[0019] In this technical solution, the retractable shaft can rotate along with the rotation of the central column, so that the waste material can be reeled up by the retractable shaft.

[0020] Preferably, one end of each of the two central columns is connected to a driven gear, and the two driven gears are meshed and connected;

[0021] The side surface of the driven gear located below is meshed with the driving gear, and the driving gear is connected to the output end of the power source, and the power source is installed on one side of the reinforcing plate;

[0022] The driven gear and the driving gear are both arranged in the inner cavity of the reinforcement plate.

[0023] In this technical solution, a power source can be used to provide driving force for the rotation of the upper transmission shaft and the lower transmission shaft.

[0024] Preferably, the cutting assembly includes an electric cutter and a mounting plate, the upper and lower sides of the electric cutter are connected to the mounting plates, and the upper and lower mounting plates are respectively connected to the adjustment assembly.

[0025] In this technical solution, the cutting component can be used to trim the edge of the material.

[0026] Preferably, the adjustment assembly includes a fixed frame, the fixed frame is installed on the top of the support plate, and the cutting assembly is arranged inside the fixed frame;

[0027] The inner cavity side wall of the fixed frame is rotatably connected to two bidirectional threaded columns symmetrically distributed up and down, and the surface of the bidirectional threaded column is threadedly connected to two symmetrically distributed movable plates;

[0028] The two opposite sides of the two movable plates are connected with a plurality of connecting columns, the connecting columns are slidably connected to the inner side of the fixed frame, and the side of the connecting column away from the movable plate is connected to one side of the mounting plate.

[0029] In this technical solution, the positions of the two cutting components can be synchronously adjusted using the adjustment component.

[0030] Preferably, a plurality of fixed rails are connected to the side walls of the inner cavity of the fixed frame, and the surfaces of the fixed rails are slidably connected to the movable plate.

[0031] In this technical solution, the moving track of the movable plate can be limited by using a fixed track.

[0032] Preferably, one end of each of the two bidirectional threaded columns is connected to a transmission sprocket, the side surface of the transmission sprocket is meshed and connected with a transmission chain, and the two transmission sprockets are connected through the transmission chain.

[0033] In this technical solution, the transmission sprocket and the transmission chain can simultaneously drive the upper and lower bidirectional threaded columns to rotate.

[0034] Preferably, the transmission sprocket located below is connected to the output end of the driving source, and the driving source is installed on the top of the supporting platform.

[0035] In this technical solution, a driving source can be used to provide driving force for the rotation of the transmission sprocket.

[0036] On the basis of conforming to the common sense in this field, the above-mentioned preferred conditions can be arbitrarily combined to obtain the preferred embodiments of the present utility model.

[0037] The positive progress effect of this utility model is:

[0038] The utility model utilizes an adjusting component to adjust the position of the cutting components on both sides, so that the position of the cutting components can be adjusted according to the shape of the material to be cut or the shape of the required material, thereby increasing the flexibility of the cutting components when used. At the same time, the receiving and sending component can be used to transmit the cut finished material to the sewing machine for subsequent processing, and the cut waste material can also be rolled up to avoid the waste material being directly stacked on the work surface and affecting the subsequent processing of the material. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 This is a structural schematic diagram of the trimming device of a sewing machine according to an embodiment of the present invention.

[0040] Figure 2 for Figure 1 The figure shows the overall internal structure of the trimming device of the sewing machine.

[0041] Figure 3 for Figure 1 The figure shows a schematic side view of the overall structure of the trimming device of a sewing machine.

[0042] Figure 4 for Figure 1 The diagram shows the structural connection relationship between the transmission sprocket, transmission chain and driving source of the trimming device of the sewing machine.

[0043] Description of Reference Numerals

[0044] 1. Support the table;

[0045] 2. Guide assembly; 21. Guide shaft; 22. Fixed plate;

[0046] 3. Receiving and delivering assembly; 31. Upper transmission shaft; 32. Lower transmission shaft; 33. Center column; 34. Reinforcement plate; 35. Retracting and delivering shaft; 36. Driven gear; 37. Driving gear; 38. Power source;

[0047] 4. Cutting assembly; 41. Electric cutter; 42. Mounting plate;

[0048] 5. Adjustment assembly; 51. Fixed frame; 52. Bidirectional threaded column; 53. Moving plate; 54. Connecting column; 55. Fixed track; 56. Transmission sprocket; 57. Transmission chain; 58. Driving source. DETAILED DESCRIPTION

[0049] The present invention is further described below by way of examples, but the present invention is not limited to the scope of the examples.

[0050] Figures 1 to 4 The figure shows a schematic diagram of the structure of an embodiment of the trimming device of a sewing machine of the present invention. The trimming device of the sewing machine comprises a support plate 1. When in use, the support plate 1 is mounted on the sewing machine.

[0051] A guide assembly 2, which is installed on the top of the support plate 1 and is used to guide and transport the material to be trimmed;

[0052] The receiving and delivering component 3 is installed on the top of the supporting plate 1, and is used to reel in the trimmed waste and transport the trimmed material;

[0053] The trimming module is arranged between the guide assembly 2 and the receiving and delivering assembly 3, and the trimming module is installed on the top of the supporting plate 1. The trimming module is used to trim the material to be trimmed;

[0054] The trimming module includes two cutting components 4 and an adjustment component 5. The adjustment component 5 is installed on the top of the supporting table 1. The cutting component 4 is used to trim the material to be trimmed. The adjustment component 5 is connected to the two cutting components 4. The adjustment component 5 is used to synchronously adjust the positions of the two cutting components 4.

[0055] In this technical solution, the position of the cutting components 4 on both sides can be adjusted by using the adjustment component 5, so that the position of the cutting component 4 can be adjusted according to the shape of the material to be cut or the shape of the required material, thereby increasing the flexibility of the cutting component 4 when used. At the same time, the receiving and sending component 3 can be used to transfer the cut finished material to the sewing machine for subsequent processing, and the cut waste material can also be rolled up to avoid the waste material being directly stacked on the work surface and affecting the subsequent processing of the material.

[0056] The guide assembly 2 includes two guide shafts 21, and the two guide shafts 21 are symmetrically distributed up and down;

[0057] Both ends of the two guide shafts 21 are rotatably connected to fixed plates 22 , and the bottoms of the two fixed plates 22 are connected to the top of the support platform 1 .

[0058] In this technical solution, the guide assembly 2 can be used to transport and guide the material to be cut.

[0059] During use, the material to be cut passes through the position between the two guide shafts 21, and the material to be cut is guided and transported.

[0060] The receiving and sending assembly 3 includes an upper transmission shaft 31 and a lower transmission shaft 32, and the upper transmission shaft 31 and the lower transmission shaft 32 are distributed up and down;

[0061] The upper transmission shaft 31 and the lower transmission shaft 32 are both fixed to the surface of the central column 33. Both ends of the central column 33 are rotatably connected to the reinforcing plate 34. The bottom of the reinforcing plate 34 is connected to the top of the support platform 1.

[0062] In this technical solution, the upper transmission shaft 31 and the lower transmission shaft 32 can be used to transport the finished material after trimming.

[0063] Both ends of the central column 33 located at the bottom are rotatably connected to the reinforcing plate 34 , and both ends of the reinforcing plate 34 are connected to the retractable shaft 35 .

[0064] In this technical solution, the retractable shaft 35 can rotate along with the rotation of the central column 33 , so that the waste material can be reeled up by the retractable shaft 35 .

[0065] One end of each of the two center columns 33 is connected to a driven gear 36 , and the two driven gears 36 are meshed and connected;

[0066] The side of the driven gear 36 located at the bottom is meshed with the driving gear 37, and the driving gear 37 is connected to the output end of the power source 38, and the power source 38 is installed on one side of the reinforcing plate 34;

[0067] The driven gear 36 and the driving gear 37 are both disposed in the inner cavity of the reinforcing plate 34 .

[0068] In this technical solution, the power source 38 can provide driving force for the rotation of the upper transmission shaft 31 and the lower transmission shaft 32 .

[0069] The cutting assembly 4 includes an electric cutter 41 and a mounting plate 42 . The upper and lower sides of the electric cutter 41 are connected to the mounting plates 42 . The upper and lower mounting plates 42 are respectively connected to the adjustment assembly 5 .

[0070] In this technical solution, the cutting component 4 can be used to trim the material.

[0071] When the material to be cut passes through the cutting assembly 4, it is trimmed by the electric cutter 41. The finished material after trimming is transported by the upper transmission shaft 31 and the lower transmission shaft 32, and the waste material is respectively wound on the retracting and unwinding shaft 35;

[0072] When the receiving and delivering assembly 3 is in use, the power source 38 is used to drive the driving gear 37 to rotate, thereby driving the corresponding driven gear 36 to rotate, and then driving another driven gear 36 to rotate. When the two driven gears 36 rotate, they can respectively drive the two center columns 33 to rotate, thereby respectively driving the upper transmission shaft 31 and the lower transmission shaft 32 to rotate. When the upper transmission shaft 31 and the lower transmission shaft 32 rotate, the finished material can be transported;

[0073] When the central column 33 rotates, it can drive the retractable shaft 35 to rotate, and the retractable shaft 35 is used to reel up the waste materials to prevent the waste materials from being randomly stacked on the work surface.

[0074] The adjustment assembly 5 includes a fixed frame 51, which is installed on the top of the support plate 1, and the cutting assembly 4 is arranged inside the fixed frame 51;

[0075] The inner side wall of the fixed frame 51 is rotatably connected to two bidirectional threaded columns 52 symmetrically distributed up and down, and the surface of the bidirectional threaded column 52 is threadedly connected to two symmetrically distributed movable plates 53;

[0076] A plurality of connecting posts 54 are connected to opposite sides of the two movable plates 53 . The connecting posts 54 are slidably connected to the inner side of the fixed frame 51 . The side of the connecting posts 54 away from the movable plate 53 is connected to one side of the mounting plate 42 .

[0077] In this technical solution, the positions of the two cutting components 4 can be adjusted synchronously using the adjustment component 5 .

[0078] A plurality of fixed rails 55 are connected to the inner side wall of the fixed frame 51 , and the surfaces of the fixed rails 55 are slidably connected to the movable plate 53 .

[0079] In this technical solution, the fixed track 55 can be used to limit the moving track of the movable plate 53.

[0080] One end of each of the two bidirectional threaded columns 52 is connected to a transmission sprocket 56 , and the side surface of the transmission sprocket 56 is meshed and connected with a transmission chain 57 . The two transmission sprockets 56 are connected in transmission via the transmission chain 57 .

[0081] In this technical solution, the transmission sprocket 56 and the transmission chain 57 can simultaneously drive the upper and lower bidirectional threaded columns 52 to rotate.

[0082] The transmission sprocket 56 located at the bottom is connected to the output end of the driving source 58, and the driving source 58 is installed on the top of the supporting platform 1.

[0083] In this technical solution, the driving source 58 can provide driving force for the rotation of the transmission sprocket 56.

[0084] When in use, the driving source 58 is used to drive the corresponding transmission sprocket 56 to rotate, thereby driving the transmission chain 57 to rotate, and then driving the other transmission sprocket 56 to rotate. When the two transmission sprockets 56 rotate, they can drive the bidirectional threaded column 52 to rotate. At this time, the movable plates 53 on both sides can be driven to move toward or away from each other along the fixed track 55, thereby driving the connecting column 54 to move in the same direction, and then driving the electric cutter 41 and the mounting plate 42 to move. At this time, the two electric cutters 41 can be moved toward or away from each other.

[0085] The power source 38 and the driving source 58 are motors or other devices that can output rotational kinetic energy.

[0086] Although specific embodiments of the present invention have been described above, those skilled in the art will appreciate that these are merely illustrative and that the scope of protection of the present invention is defined by the appended claims. Those skilled in the art may make various changes or modifications to these embodiments without departing from the principles and essence of the present invention, and such changes and modifications are intended to fall within the scope of protection of the present invention.

Claims

1. A trimming device for a sewing machine, comprising a support plate (1), characterized in that: The trimming device of the sewing machine further comprises: a guide assembly (2), the guide assembly (2) being mounted on the top of the support plate (1), and the guide assembly (2) being used to guide and transport the material to be trimmed; A receiving and delivering assembly (3), the receiving and delivering assembly (3) being installed on the top of the supporting plate (1), the receiving and delivering assembly (3) being used to reel in the trimmed waste material and to transport the trimmed material; A trimming module, the trimming module is arranged between the guide assembly (2) and the receiving and delivering assembly (3), and the trimming module is installed on the top of the supporting table (1), and the trimming module is used to perform trimming processing on the material to be trimmed; The trimming module comprises two cutting assemblies (4) and an adjusting assembly (5), wherein the adjusting assembly (5) is mounted on the top of the supporting platen (1), the cutting assemblies (4) are used to perform trimming processing on the material to be trimmed, the adjusting assembly (5) is connected to the two cutting assemblies (4), and the adjusting assembly (5) is used to synchronously adjust the positions of the two cutting assemblies (4).

2. The trimming device for a sewing machine according to claim 1, wherein: The guide assembly (2) comprises two guide shafts (21), and the two guide shafts (21) are symmetrically distributed up and down; Both ends of the two guide shafts (21) are rotatably connected to fixed plates (22), and the bottoms of the two fixed plates (22) are connected to the top of the support platform (1).

3. The trimming device for a sewing machine according to claim 1, wherein: The receiving and sending component (3) comprises an upper transmission shaft (31) and a lower transmission shaft (32), wherein the upper transmission shaft (31) and the lower transmission shaft (32) are distributed up and down; The upper transmission shaft (31) and the lower transmission shaft (32) are both fixed to the surface of the central column (33), and both ends of the central column (33) are rotatably connected to a reinforcing plate (34), and the bottom of the reinforcing plate (34) is connected to the top of the support platform (1).

4. The trimming device for a sewing machine according to claim 3, wherein: The two ends of the central column (33) located at the bottom are rotatably connected to the reinforcing plate (34) respectively, and the two ends of the reinforcing plate (34) are connected to the retractable shaft (35).

5. The trimming device for a sewing machine according to claim 3, wherein: One end of each of the two center columns (33) is connected to a driven gear (36), and the two driven gears (36) are meshed and connected; The side surface of the driven gear (36) located below is meshed with the driving gear (37), and the driving gear (37) is connected to the output end of the power source (38), and the power source (38) is installed on one side of the reinforcing plate (34); The driven gear (36) and the driving gear (37) are both arranged in the inner cavity of the reinforcing plate (34).

6. The trimming device for a sewing machine according to claim 1, wherein: The cutting assembly (4) comprises an electric cutter (41) and a mounting plate (42). The upper and lower sides of the electric cutter (41) are both connected to the mounting plates (42), and the upper and lower mounting plates (42) are respectively connected to the adjustment assembly (5).

7. The trimming device for a sewing machine according to claim 1, wherein: The adjusting assembly (5) comprises a fixed frame (51), the fixed frame (51) is mounted on the top of the supporting platen (1), and the cutting assembly (4) is arranged inside the fixed frame (51); The inner cavity side wall of the fixed frame (51) is rotatably connected to two bidirectional threaded columns (52) symmetrically distributed up and down, and the surface of the bidirectional threaded column (52) is threadedly connected to two symmetrically distributed moving plates (53); A plurality of connecting columns (54) are connected to opposite sides of the two movable plates (53), and the connecting columns (54) are slidably connected to the inner side of the fixed frame (51). The side of the connecting column (54) away from the movable plate (53) is connected to one side of the mounting plate (42).

8. The trimming device for a sewing machine according to claim 7, wherein: The inner cavity side wall of the fixed frame (51) is connected with a plurality of fixed rails (55), and the surfaces of the fixed rails (55) are slidably connected to the movable plate (53).

9. The trimming device for a sewing machine according to claim 7, wherein: One end of each of the two bidirectional threaded columns (52) is connected to a transmission sprocket (56), and the side surface of the transmission sprocket (56) is meshed and connected with a transmission chain (57). The two transmission sprockets (56) are connected in transmission via the transmission chain (57).

10. The trimming device for a sewing machine according to claim 9, wherein: The transmission sprocket (56) located below is connected to the output end of a driving source (58), and the driving source (58) is installed on the top of the supporting platform (1).

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