Column type splicing machine

Abstract

The utility model belongs to the technical field of sewing machines, and particularly relates to a column type splicing machine which comprises a machine body and a machine base, a table board is formed between the machine base and the machine body, a column-shaped installation base is arranged on the upper end face of one side of the machine base, a needle plate is arranged on the upper end face of the column-shaped installation base, and a machine needle mechanism and a presser foot mechanism are arranged at the upper end of the needle plate respectively. A main shaft and a lifting and pressing shaft are arranged in the machine body, the front end of the main shaft is connected with a machine needle mechanism, the rear end of the main shaft is connected with a first servo motor, the rear end of the machine body is provided with a second stepping motor, an output shaft of the second stepping motor is provided with a driving wheel, and the eccentric position of one end of the driving wheel is connected with a lifting and pressing connecting rod mechanism. Through the design of the second stepping motor, in the actual operation process, the lifting and pressing connecting rod mechanism and the thread loosening connecting rod mechanism can be driven to act through the driving wheel, and therefore the lifting and pressing foot is controlled to execute the lifting and pressing action or the thread loosening mechanism is controlled to execute the thread loosening action.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewing machine technical field especially point to a column type joint sewing machine. BACKGROUND

[0002] Sewing machine mainly is through sewing thread sewing and combines mutually with several layers sewing material, and, with the continuous evolution of technology, leading to the sewing machine on the market has many styles, and different styles of sewing machine can be applied to different sewing production of sewing material, among them, the sewing machine that can selectively roll collar, overlock, hem, felling, splicing or trimming edge sewing way of clothing on the market has.

[0003] Such as Chinese invention, the announcement number for CN108425186B, computer high head car, include: base, set up in the base's machine head and stand, install in the needle bar and thread take-up mechanism of machine head, for pressing cloth's pressure lever mechanism, it includes installation in the pressure lever, set up in the presser foot of pressure lever, fixed in the guide plate of pressure lever, swing installation in the machine head and its free end abuts on the guide plate of elastic pressure strip, and the pressure screw that rotates set up in the machine head and is used for pushing the elastic pressure strip, install in the machine head's loose line mechanism, install in the base's rotating hook mechanism, for transmission cloth's feeding and backstitch mechanism, it includes rotation installation in the base's front lower shaft, with the coaxial setting of front lower shaft rear lower shaft, set up in the front lower shaft and the rear lower shaft between the clutch, rotation installation in the stand and with the presser foot opposite setting of feeding roller, and for the transmission mechanism that the rotating motion of rear lower shaft is converted as the rotating motion of feeding roller, and install in the base's thread trimming mechanism.

[0004] In the above prior art, the presser foot, loose line structure is controlled by a single electromagnet respectively, the structure is more complex, the cost is higher, therefore, it still needs to further improve its structure. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a column type joint sewing machine, through novel structure design, solves the problem of existing structure complexity.

[0006] The utility model discloses a column type jointing machine, including machine body and base, and the mesa is formed between base and machine body, the upper end surface of one side of base is provided with cylindrical mounting seat, the upper end surface of cylindrical mounting seat is provided with needle plate, and the upper end of needle plate is provided with machine needle mechanism and presser foot mechanism respectively, and the main shaft and lift press axle are provided in machine body respectively, the front end of main shaft is connected with machine needle mechanism, and the rear end of main shaft is connected with servo motor no.

[0007] Preferably, the lift press linkage includes a linkage one and a linkage two hinged thereto, one end of the linkage one is hinged to the eccentric portion of the drive wheel, and one end of the linkage two is installed on the outer periphery of the lift press axle.

[0008] Preferably, the side surface of the machine body is installed with a thread clamp, the thread loosening linkage includes a thread loosening shaft rotatably arranged in the machine body, one end of the thread loosening shaft is provided with a driving seat, one side of the drive wheel is formed with an arc-shaped working portion for pushing the driving seat, the other end of the thread loosening shaft is provided with a rotating member, and the rotating member is provided with a push rod for pushing the thread clamp to move.

[0009] Preferably, the cylindrical mounting seat is provided with a lower feeding mechanism, the base is provided with a lower shaft and a lower feeding shaft respectively, one end of the lower feeding shaft and the lower shaft is connected with the lower feeding mechanism, the other end of the lower feeding shaft and the lower shaft is connected with a swing seat assembly, the outer periphery of the lower shaft is provided with a driven wheel, the outer periphery of the main shaft is provided with a driving wheel, a middle wheel is arranged between the driving wheel and the driven wheel, a transmission belt one is connected between the driving wheel and the middle wheel, and a transmission belt two is connected between the middle wheel and the driven wheel, so as to drive the lower shaft to rotate synchronously.

[0010] Preferably, the swing seat assembly includes a swing shaft and a swing seat rotatably arranged on the outer periphery thereof, one end of the swing shaft is installed with an adjusting crank, the adjusting crank is connected with an adjusting linkage, the other end of the adjusting linkage is connected with an adjusting seat, the adjusting seat is rotatably arranged in the machine body through an adjusting shaft, one side of the adjusting seat is provided with a jacking rod for adjusting the installation angle thereof, and one end of the jacking rod extends out of the machine body and is installed with an adjusting knob.

[0011] Preferably, the machine body is provided with an upper feeding shaft, one end of the upper feeding shaft is connected with an upper feeding mechanism, the other end of the upper feeding shaft is connected with an upper feeding crank, the upper feeding crank is connected with a feeding linkage, the lower end of the feeding linkage is connected with a lower feeding crank, and the lower feeding crank is installed on the outer periphery of the lower feeding shaft.

[0012] Compared with the prior art, the utility model has the following prominent and beneficial technical effects:

[0013] The utility model discloses a design through stepping motor no. 2, make in actual operation process, through drive wheel can drive lifting and pressing connecting rod mechanism and loose line connecting rod mechanism action respectively to single motor control lifting foot execution lifting action or loose line mechanism execution loose line action respectively, simple structure, control and adjust conveniently. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the three -dimensional structure diagram of the utility model Figure 1 .

[0015] Figure 2 It is the three -dimensional structure diagram of the utility model Figure 2 .

[0016] Figure 3 It is the three -dimensional structure diagram of the utility model Figure 3 .

[0017] Figure 4 It is the internal structure diagram of the utility model Figure 1 .

[0018] Figure 2 It is the internal structure diagram of the utility model Figure 6 .

[0019] Figures 1-6 It is the structure diagram of stepping motor no. 2, loose line and lifting.

[0020] Reference Signs: 1-machine body;2-machine base;3-table top;4-cylindrical mounting seat;5-needle plate;6-needle mechanism;7-presser foot mechanism;8-main shaft;9-lifting and pressing shaft;10-servo motor no. 1;11-stepping motor no. 2;12-drive wheel;13-lifting and pressing connecting rod mechanism;14-loose line connecting rod mechanism;15-loose line mechanism;16-connecting rod no. 1;17-connecting rod no. 2;18-thread clipper;19-loose line shaft;20-drive seat;21-arc-shaped working part;22-rotating part;23-push column;24-lower feeding mechanism;25-lower shaft;26-lower feeding shaft;28-oscillating seat assembly;28a-oscillating shaft;28b-oscillating seat;29-driven wheel;30-driving wheel;31-intermediate wheel;32-transmission belt no. 1;33-transmission belt no. 2;34-adjusting crank;35-adjusting connecting rod;36-adjusting seat;37-adjusting shaft;38-ejector rod;39-adjusting knob;40-upper feeding shaft;41-upper feeding mechanism;42-upper feeding crank;43-feeding connecting rod;44-lower feeding crank. DETAILED DESCRIPTION

[0021] The specific implementation of the utility model will be further explained in detail in combination with the drawings.

[0022] AsFigure 1 As shown in the figure, a column type sewing machine comprises a machine body 1 and a machine base 2, a table top 3 is formed between the machine base 2 and the machine body 1, Figure 2 For short, the table top 3 is small in area, and is suitable for sewing bags, Figure 4 For long, the table top 3 is large in area, and is suitable for sewing sofas and seat cushions, a column mounting seat 4 is arranged on the upper end face of one side of the machine base 2, a needle plate 5 is arranged on the upper end face of the column mounting seat 4, a needle mechanism 6 and a presser foot mechanism 7 are respectively arranged on the upper end of the needle plate 5, a main shaft 8 and a lifting press shaft 9 are respectively arranged in the machine body 1, the front end of the main shaft 8 is connected with the needle mechanism 6, the rear end of the main shaft 8 is connected with a servo motor I 10, a stepping motor II 11 is installed at the rear end of the machine body 1, a driving wheel 12 is installed on the output shaft of the stepping motor II 11, a lifting press connecting rod mechanism 13 is connected with the eccentric part of one end of the driving wheel 12, the other end of the lifting press connecting rod mechanism 13 is connected with the lifting press shaft 9, the other end of the lifting press shaft 9 is connected with the presser foot mechanism 7, and a thread loosening connecting rod mechanism 14 is arranged on one side of the driving wheel 12, the other end of the thread loosening connecting rod mechanism 14 is connected with a thread loosening mechanism 15.

[0023] The design of the stepping motor II 11 makes the driving wheel 12 drive the lifting press connecting rod mechanism 13 and the thread loosening connecting rod mechanism 14 to act in the actual operation process, so that the single motor controls the lifting press foot to perform the lifting press action or the thread loosening mechanism to perform the thread loosening action, and the structure is simple and convenient to control and adjust.

[0024] In combination with Figure 6 and Figure 5 , the lifting press connecting rod mechanism 13 comprises a connecting rod I 16 and a connecting rod II 17 hinged with the connecting rod I 16, one end of the connecting rod I 16 is hinged with the eccentric part of the driving wheel 12, one end of the connecting rod II 17 is installed on the outer periphery of the lifting press shaft 9, when the stepping motor II 11 drives the driving wheel 12 to rotate, the connecting rod I 16 and the connecting rod II 17 will reciprocating swing, and the lifting press shaft 9 will reciprocating rotate, so as to realize the lifting or lowering of the presser foot action.

[0025] In combination with Figure 6 and ​ , a thread clamp 18 is installed on the side face of the machine body 1, the thread loosening connecting rod mechanism 14 comprises a thread loosening shaft 19 rotatably arranged in the machine body 1, one end of the thread loosening shaft 19 is provided with a driving seat 20, one side of the driving wheel 12 is formed with an arc-shaped working part 21 for pushing the driving seat 20, the other end of the thread loosening shaft 19 is provided with a rotating piece 22, the rotating piece 22 is provided with a pushing column 23 for pushing the thread clamp 18 to move, when the stepping motor II 11 drives the driving wheel 12 to rotate, the driving seat 20 will be pushed by the arc-shaped working part 21, so that the thread loosening shaft 19 reciprocating rotates, the rotating piece 22 rotates, the thread clamp 18 moves through the pushing column 23, and finally the thread loosening action is realized.

[0026] The lower feeding mechanism 24 is arranged in the columnar mounting base 4, and the lower feeding mechanism 24 comprises a feeding tooth, a tooth frame and the like components, which are existing mechanisms, and thus the specific structure thereof will not be repeated here. The lower shaft 25 and the lower feeding shaft 26 are respectively arranged in the machine body 1. The lower feeding mechanism 24 is connected to one end of the lower feeding shaft 26 and the lower shaft 25. The oscillating seat assembly 28 is connected between the other end of the lower feeding shaft 26 and the lower shaft 25. The outer periphery of the lower shaft 25 is provided with a driven wheel 29. The outer periphery of the main shaft 8 is provided with a driving wheel 30. The intermediate wheel 31 is arranged between the driving wheel 30 and the driven wheel 29. The transmission belt one 32 is connected between the driving wheel 30 and the intermediate wheel 31. The transmission belt two 33 is connected between the intermediate wheel 31 and the driven wheel 29, so as to drive the lower shaft 25 to rotate synchronously, and drive the lower feeding shaft 26 to rotate through the oscillating seat assembly 28, without the need of an additional power source control, and the structure is simple.

[0027] The oscillating seat assembly 28 comprises an oscillating shaft 28a and an oscillating seat 28b rotatably arranged on the outer periphery of the oscillating shaft 28a. The oscillating shaft 28a is provided with an adjusting crank 34 at one end. The adjusting crank 34 is connected with an adjusting connecting rod 35. The other end of the adjusting connecting rod 35 is connected with an adjusting seat 36. The adjusting seat 36 is rotatably arranged in the machine body 1 through an adjusting shaft 37. The adjusting seat 36 is provided with a jacking rod 38 on one side for adjusting the installation angle thereof. One end of the jacking rod 38 extends out of the machine body 1 and is provided with an adjusting knob 39. In the actual operation process, the installation angle of the adjusting seat 36 can be adjusted by rotating the adjusting knob 39, so as to adjust the feeding speed.

[0028] The machine body 1 is provided with an upper feeding shaft 40. The upper feeding mechanism 41 is connected to one end of the upper feeding shaft 40. The upper feeding crank 42 is connected to the other end of the upper feeding shaft 40. The feeding connecting rod 43 is connected to the upper feeding crank 42. The lower end of the feeding connecting rod 43 is connected to the lower feeding crank 44. The lower feeding crank 44 is arranged on the outer periphery of the lower feeding shaft 26, so as to realize the linkage between the upper feeding shaft 40 and the lower feeding shaft 26, and realize the synchronous feeding of the upper and lower feeding mechanisms. The main shaft 8, the lifting and pressing shaft 9 and the upper feeding shaft 40 and the like components are arranged in the machine body 1, so as to not only protect the mechanism and prevent external collision and dust contamination, but also make the appearance of the sewing machine more simple and safe in operation.

[0029] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by the person skilled in the art that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and the description in the specification only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements. These changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A column stitcher characterized by, The utility model provides a sewing machine, including body (1) and base (2), and the table board (3) is shaped between base (2) and body (1), the upper end surface of one side of base (2) is provided with cylindrical mounting seat (4), the upper end surface of cylindrical mounting seat (4) is provided with needle plate (5), the upper end of needle plate (5) is provided with needle mechanism (6) and presser foot mechanism (7) respectively, the inside of body (1) is provided with main shaft (8) and lift presser shaft (9) respectively, the front end of main shaft (8) is connected with needle mechanism (6), the rear end of main shaft (8) is connected with servo motor one (10), the rear end of body (1) is installed with step motor two (11), the output shaft of step motor two (11) is installed with drive wheel (12), the eccentricity of one end of drive wheel (12) is connected with lift presser link mechanism (13), the other end of lift presser link mechanism (13) is connected with lift presser shaft (9), the other end of lift presser shaft (9) is connected with presser foot mechanism (7), one side of drive wheel (12) is provided with thread loosening link mechanism (14), the other end of thread loosening link mechanism (14) is connected with thread loosening mechanism (15).

2. The column stitcher of claim 1, wherein: The lift presser link mechanism (13) includes a link (16) and a link (17) hinged to the link (16), one end of the link (16) is hinged to the eccentricity of the drive wheel (12), and one end of the link (17) is installed on the outer periphery of the lift presser shaft (9).

3. The column stitcher of claim 1, wherein: A thread tensioner (18) is installed on the side of the body (1), the thread loosening link mechanism (14) includes a thread loosening shaft (19) rotatably installed in the body (1), one end of the thread loosening shaft (19) is provided with a drive seat (20), one side of the drive wheel (12) is formed with an arc-shaped working part (21) for pushing the drive seat (20), the other end of the thread loosening shaft (19) is provided with a rotating member (22), and the rotating member (22) is provided with a push rod (23) for pushing the thread tensioner (18) to move.

4. The column stitcher of claim 1, wherein: The cylindrical mounting seat (4) is provided with a lower feeding mechanism (24), the base (2) is provided with a lower shaft (25) and a lower feeding shaft (26), one end of the lower feeding shaft (26) and the lower shaft (25) is connected with the lower feeding mechanism (24), the other end of the lower feeding shaft (26) and the lower shaft (25) is connected with a swing seat assembly (28), the outer periphery of the lower shaft (25) is provided with a driven wheel (29), the outer periphery of the main shaft (8) is provided with a driving wheel (30), the driving wheel (30) and the driven wheel (29) are provided with an intermediate wheel (31), the driving wheel (30) and the intermediate wheel (31) are connected with a transmission belt one (32), the intermediate wheel (31) and the driven wheel (29) are connected with a transmission belt two (33), to drive the lower shaft (25) to rotate synchronously.

5. The column stitcher of claim 4, wherein: The swing seat assembly (28) comprises a swing shaft (28a) and a swing seat (28b) rotatably arranged on the outer periphery of the swing shaft (28a), one end of the swing shaft (28a) is provided with an adjusting crank (34), the adjusting crank (34) is connected with an adjusting connecting rod (35), the other end of the adjusting connecting rod (35) is connected with an adjusting seat (36), the adjusting seat (36) is rotatably arranged in the machine body (1) through an adjusting shaft (37), one side of the adjusting seat (36) is provided with a jacking rod (38) for adjusting the installation angle thereof, one end of the jacking rod (38) extends out of the machine body (1) and is provided with an adjusting knob (39).

6. Column stitcher according to claim 4 or 5, characterized in that: An upper feeding shaft (40) is arranged in the machine body (1), one end of the upper feeding shaft (40) is connected with an upper feeding mechanism (41), the other end of the upper feeding shaft (40) is connected with an upper feeding crank (42), the upper feeding crank (42) is connected with a feeding connecting rod (43), the lower end of the feeding connecting rod (43) is connected with a lower feeding crank (44), the lower feeding crank (44) is arranged on the outer periphery of the lower feeding shaft (26).

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