Double-stepping lockstitch sewing machine

Abstract

The utility model discloses a double-stepping lockstitch sewing machine, belongs to the technical field of lockstitch sewing machines, and provides the following technical scheme that the double-stepping lockstitch sewing machine comprises a lockstitch sewing machine body and an electric cabinet, the electric cabinet is arranged on one side of the lockstitch sewing machine body and used for containing control components, a ventilation opening located in a heat dissipation part is formed in the outer surface of the electric cabinet, and the electric cabinet is arranged on the other side of the lockstitch sewing machine body. A window frame located at the ventilation opening is fixedly arranged on the outer surface of the electric control box, and a heat dissipation assembly located on the inner side of the window frame is arranged on the outer surface of the electric control box; the heat dissipation assembly comprises a fan frame arranged on the outer surface of the electric control box and two connecting plates fixedly arranged on the two sides in the fan frame, when the heat dissipation device works, heat dissipation can be conducted on parts in the electric control box of the control portion of the lockstitch sewing machine body unit in time, the heat dissipation effect of the control box is improved, the control parts of the lockstitch sewing machine body are protected, and the service life of the lockstitch sewing machine body unit is prolonged. The service life is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technology field of lockstitch machine device, concretely to a double step lockstitch machine. BACKGROUND

[0002] The double step lockstitch machine can accurately control the movement of needle bar and shuttle bed through the cooperative work of double step motor, ensure the synchronous movement of needle and thread, thereby complete high-quality sewing task, and is widely used in the processing and manufacturing of garments, hats, shoes, bags and other textiles.It can complete various high-quality sewing tasks, including straight line, curve, cross line, sealing, etc., greatly improving the production efficiency.

[0003] The electric control box of the double step lockstitch machine is an important part of the double step lockstitch machine, which is used for controlling and adjusting the operation of the machine, and the electric control box usually contains circuit board, controller, power supply and other key components inside, which cooperate together to realize accurate control of the double step lockstitch machine, but the electric control box of the existing double step lockstitch machine is slow in natural heat dissipation, and it is difficult to achieve ideal heat dissipation effect in high-intensity work, and the electric control box is not timely in heat dissipation, which may cause high temperature, affecting the stability and life of the electric control box, based on this, a double step lockstitch machine with good heat dissipation effect is proposed. SUMMARY

[0004] The utility model aims at providing a kind of double step lockstitch machine to at least certain extent solve the above-mentioned technical problems.

[0005] To achieve the above object, the utility model provides the following technical scheme: including lockstitch machine body, electric control box, the electric control box is set in the one side of joint seam machine body for packing control component, the electric control box outer surface is equipped with the vent in the heat dissipation part, the electric control box outer surface is fixedly provided with the window frame in the vent part, the electric control box outer surface is provided with the heat dissipation component in the inboard of the window frame;

[0006] The heat dissipation component includes fan holder provided on the outer surface of the electric control box, two connecting plates fixedly provided on both sides of the fan holder, a connecting rod fixedly provided between the two connecting plates, a fan body fixedly provided on the inner surface of the connecting rod, and two dustproof mounting plates fixedly and vertically provided on both sides of the outer wall of the fan holder.

[0007] Two dustproof mounting plates are provided with a dust screen between them, and the dustproof mounting plates are provided with a locking assembly for locking the dustproof mounting plates on both sides.

[0008] Preferably, the lock assembly comprises lock pieces respectively inserted on the two dustproof installation plates, guide blocks fixedly connected with upper ends of the lock pieces and slidingly inserted in the dustproof installation plates, and return springs fixedly connected with one side of the guide blocks in the dustproof installation plates.

[0009] One end of the lock piece is inserted in the interior of the edge of the dust screen through the dustproof installation plate.

[0010] Preferably, one side of the outer wall of the window frame is provided with a window cover for closing and shielding the window frame.

[0011] Preferably, the four edges of the dust screen are made of metal plates, and the two edges of the dust screen are provided with fixed grooves for inserting the lock pieces.

[0012] Preferably, the outer wall of the connecting rod is transversely provided with a wire insertion pipe, the outer wall of the electric control box is provided with a power supply insertion port, and the fan body is inserted in the power supply insertion port through a power supply line to provide power supply.

[0013] Preferably, the upper and lower ends of the fan frame are respectively provided with two bolt connection heads, the electric control box and the bolt connection heads are respectively provided with mutually symmetrical bolt holes in the outer walls, and the fan frame is fixed on the electric control box through bolts.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. When the flat sewing machine body needs to be cooled, the power supply line of the fan body is inserted in the power supply insertion port of the electric control box, the switch of the fan body is turned on, the fan body exhaust port is opposite to the heat dissipation part inside the electric control box, the electric control box inside the flat sewing machine body is cooled, the service life of the internal components is prevented from being affected by the high temperature inside the electric control box, the cooling effect is good, and the stability of the flat sewing machine body during use is improved.

[0016] 2. When the flat sewing machine body needs to be cooled, the dust screen arranged at the fan frame part can shield the fan body part, prevent dust and cloth residues from entering the electric control box during cooling of the electric control box, and the dust screen can be randomly disassembled and taken out through the lock assembly, so that the later cleaning work is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creating labor.

[0018] Figure 1It is the whole three-dimensional structure schematic diagram of the embodiment;

[0019] Figure 2 It is the explosion structure schematic diagram of the electric control box and the heat dissipation assembly of the embodiment;

[0020] Figure 3 It is the whole front view plane structure schematic diagram of the embodiment;

[0021] Figure 4 It is the front view structure schematic diagram of the heat dissipation assembly of the embodiment;

[0022] Figure 5 It is the A enlarged structure schematic diagram in the embodiment Figure 4

[0023] In the drawing, the component list represented by each mark is as follows:

[0024] 1, the flat sewing machine body; 2, the electric control box; 21, the vent; 3, the window frame; 31, the window cover; 4, the heat dissipation assembly; 41, the fan frame; 42, the connecting plate; 43, the connecting rod; 44, the fan body; 45, the wire insertion pipe; 46, the bolt connection head; 47, the dustproof mounting plate; 5, the dust screen; 51, the fixed groove; 6, the lock catch assembly; 61, the lock catch piece; 62, the guide block; 63, the reset spring. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a double-step flat sewing machine, including flat sewing machine body 1, electric control box 2, electric control box 2 is set in seam sewing machine body side for container control component, electric control box 2 outer surface is set with the vent 21 in heat dissipation part, electric control box 2 outer surface is fixedly set with the window frame 3 in vent 21 part, electric control box 2 outer surface is set with the heat dissipation assembly 4 in the inside of window frame 3;

[0027] Heat dissipation assembly 4 includes the fan frame 41 being set on the outer surface of electric control box 2, two connecting plates 42 being fixedly set in the two sides of fan frame 41, connecting rod 43 being fixedly set between two connecting plates 42, fan body 44 being fixedly set in the middle part of the inner surface of connecting rod 43, and two dustproof mounting plates 47 being fixedly vertically set on the outer wall of fan frame 41 two sides;

[0028] ​A dustproof net 5 is arranged between the two dustproof mounting plates 47, and lock catch assemblies 6 are arranged on both sides of the dustproof mounting plates 47 for locking the dustproof mounting plates 47;

[0029] When the flat sewing machine body 1 is working, the window cover 31 is opened, the fan frame 41 is arranged inside the window frame 3 and opposite the ventilation opening 21 of the heat dissipation part of the electric control box 2, and the heat inside the electric control box 2 is discharged from the ventilation opening 21 part through the fan body 44 arranged at the middle part of the fan frame 41, so as to improve the heat dissipation effect of the electric control box 2 and the service life of the flat sewing machine body 1. The fan frame 41 is bolted and fixedly arranged on the electric control box 2 through the bolted connection heads 46 arranged at the upper and lower ends, and the dustproof net 5 arranged at the opening part of the fan frame 41 can prevent the entry of dust, cloth scraps and the like during heat dissipation. The window cover 31 can be closed when the flat sewing machine body 1 is stored.

[0030] Further preferably, the lock catch assembly 6 comprises lock catch pieces 61 respectively inserted into the two dustproof mounting plates 47, guide blocks 62 fixedly connected to the upper ends of the lock catch pieces 61 and slidingly inserted into the dustproof mounting plates 47, and reset springs 63 fixedly connected to one side of the guide blocks 62 inside the dustproof mounting plates 47;

[0031] One end of the lock catch piece 61 is inserted into the inside of the edge of the dustproof net 5 through the dustproof mounting plate 47;

[0032] When the dustproof net 5 is fixed, the two lock catch pieces 61 are pulled out first, the guide blocks 62 connected to the lock catch pieces 61 slide inside the dustproof mounting plates 47 and push the connected reset springs 63 to be squeezed together, the fixed grooves 51 opened at the edges of the dustproof net 5 are aligned with one end of the lock catch piece 61, and the dustproof net 5 can be constrained and fixed between the two dustproof mounting plates 47 by releasing the lock catch piece 61.

[0033] Further preferably, one side of the outer wall of the window frame 3 is provided with a window cover 31 for closing and shielding the window frame 3;

[0034] The window cover 31 arranged on the window frame 3 is used for closing, so as to shield the heat dissipation opening part when the flat sewing machine body 1 is placed.

[0035] Further preferably, the four edges of the dustproof net 5 are made of metal plates, and the two edges of the dustproof net 5 are provided with fixed grooves 51 for inserting the lock catch pieces 61;

[0036] The dustproof net 5 is arranged in a frame plate shape, so as to facilitate subsequent disassembly and assembly of the dustproof net 5.

[0037] Further preferably, the connecting rod 43 is provided with a wire insertion pipe 45 on the outer wall in the transverse direction, the electric control box 2 is provided with a power supply plug interface on the outer wall, and the fan body 44 is plugged into the power supply plug interface through a power supply wire to provide power supply;

[0038] The wire insertion pipe 45 provided on the outer wall of the connecting rod 43 is used for arranging the power supply wire of the fan body 44, so as to prevent the power supply wire from contacting the fan blades of the fan body 44.

[0039] Further preferably, the fan frame 41 is provided with two bolt connection heads 46 at the upper end and the lower end, respectively, the electric control box 2 is provided with bolt holes that are symmetrical to each other on the outer wall of the bolt connection heads 46, and the fan frame 41 is fixed to the electric control box 2 through bolts.

[0040] The bolt holes of the bolt connection heads 46 provided at the upper end and the lower end of the fan frame 41 are opposite to the bolt holes provided on the electric control box 2, and the overall heat dissipation assembly 4 is fixed to the electric control box 2 through bolts.

[0041] One specific application of the embodiment is that when the lockstitch machine body 1 needs to be cooled, the power supply wire of the fan body 44 is plugged into the power supply plug interface provided on the electric control box 2, the switch of the fan body 22 is turned on, the fan body 44 is arranged opposite to the heat dissipation part inside the electric control box 2 through the exhaust port, the inside of the electric control box 2 of the lockstitch machine body 1 is cooled, and the service life of the internal components of the electric control box 2 can be prevented from being shortened due to high temperature, the cooling effect is good, and the stability of the lockstitch machine body 1 in use can be improved.

[0042] In the description of the present application, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like indicate the orientation or positional relationship shown in the drawings, and are only used for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0043] In the present application, unless otherwise specified and limited, the terms "mounting", "setting", "connecting", "fixing", "threading" and the like should be understood in a broad sense, for example, they can be fixed connection, or detachable connection, or integrated; they can be mechanical connection, or electrical connection; they can be directly connected, or indirectly connected through an intermediate medium; they can be the communication or interaction relationship between two elements, unless otherwise specified, the above-mentioned terms in the present application can be understood according to the specific meaning in the present application by those skilled in the art.

[0044] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A double step-over lockstitch sewing machine comprising a lockstitch sewing machine body (1), an electric control box (2) arranged on one side of the lockstitch sewing machine body for assembling control components, characterized in that: The electric control box (2) is provided with a ventilation opening (21) at the heat dissipation position on the outer surface, and a window frame (3) is fixedly arranged at the ventilation opening (21) on the outer surface of the electric control box (2), and a heat dissipation assembly (4) is arranged on the inner side of the window frame (3). The heat dissipation assembly (4) comprises a fan frame (41) arranged on the outer surface of the electric control box (2), two connecting plates (42) fixedly arranged on both sides of the fan frame (41), a connecting rod (43) fixedly arranged between the two connecting plates (42), a fan body (44) fixedly arranged at the middle position of the inner surface of the connecting rod (43), and two dustproof mounting plates (47) fixedly and vertically arranged on both sides of the outer wall of the fan frame (41). Two dustproof mounting plates (47) are arranged between the dustproof mounting plates (47), and the dustproof mounting plates (47) are provided with a locking assembly (6) for locking the dustproof mounting plates (47).

2. A two-step lockstitch machine according to claim 1, characterized in that: The locking assembly (6) comprises a locking piece (61) respectively inserted into the two dustproof mounting plates (47), a guide block (62) fixedly connected with the upper end of the locking piece (61) and slidingly inserted into the inner part of the dustproof mounting plate (47), and a reset spring (63) fixedly connected with one side of the guide block (62) in the inner part of the dustproof mounting plate (47). One end of the locking piece (61) is inserted into the inner part of the edge of the dustproof net (5) through the dustproof mounting plate (47).

3. A double feed lockstitch machine according to claim 1, characterized in that: One side of the outer wall of the window frame (3) is provided with a window cover (31) for closing and shielding the window frame (3).

4. A double feed lockstitch machine according to claim 2, characterized in that: The four edges of the dustproof net (5) are made of metal plate, and the two edges of the dustproof net (5) are provided with a fixing groove (51) for inserting the locking piece (61).

5. A double feed lockstitch machine according to claim 2, characterized in that: The connecting rod (43) is provided with a wire insertion pipe (45) transversely arranged on the outer wall, the electric control box (2) is provided with a power supply insertion port, and the fan body (44) is inserted into the power supply insertion port through a power supply line to provide power supply.

6. A double feed lockstitch machine according to claim 2, characterized in that: The fan frame (41) is provided with two bolt connection heads (46) at the upper and lower ends, respectively, the electric control box (2) and the bolt connection heads (46) are respectively provided with mutually symmetrical bolt holes on the outer wall, and the fan frame (41) is fixedly arranged on the electric control box through bolts.

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