Cloth guide mechanism of sewing machine

Abstract

The utility model discloses a sewing machine cloth guide mechanism which comprises a guide shell, a cloth guide channel is formed in the guide shell, and at least one guide roller assembly is arranged in the cloth guide channel. The guide roller assembly comprises a longitudinal moving roller, a plurality of rollers are rotationally connected to the longitudinal moving roller, at least one guide rod is fixed to the longitudinal moving roller, a first penetrating groove allowing the guide rod to penetrate through is formed in the top of the guide shell, and the guide rod penetrates through the first penetrating groove to form a limiting disc; a spring is arranged between the longitudinal moving roller and the top of the guide shell; the guide mechanism is simple in structure, cloth needing to be sewed is sewed in a guiding mode by arranging the guide mechanism on the sewing machine, the condition of sewing deviation is effectively prevented, sewing efficiency is high, quality is good, and the guide mechanism can be matched with cloth of various thicknesses due to the fact that the guide mechanism is matched with the metal elastic pieces and the springs.

Description

TECHNICAL FIELD

[0001] The utility model belongs to cloth production device technical field, concretely relates to a sewing machine cloth guide mechanism. BACKGROUND

[0002] Sewing machine is with one or more sewing line, on the seam material forms one or more line, makes one layer or more seam material interweaves or sews up the machine, sewing machine can sew cotton, hemp, silk, wool, artificial fibre and leather, plastic, paper and so on product, sews the line neat and beautiful, flat firm, sewing speed is fast, uses simple, when to the strip cloth is in the linear direction and carries out the sewing processing, present by artificial experience, feeling and push or pull cloth and carry out sewing, can appear the condition that sewing is off track, influences production efficiency, and sewing quality is lower. Therefore, obtaining a sewing machine cloth guide mechanism is very important. SUMMARY

[0003] In order to solve at least one of the above technical problems, the utility model provides a sewing machine cloth guide mechanism, including guide shell, the guide shell is opened cloth guide passage, at least one guide roller assembly is equipped in the cloth guide passage;

[0004] The guide roller assembly includes longitudinal movement roller, a plurality of drums are rotatably connected on the longitudinal movement roller, at least one guide rod is fixed on the longitudinal movement roller, the top of the guide shell is opened first slot for the guide rod to pass through, and the guide rod forms the limiting disc after passing through the first slot;

[0005] The spring is arranged between the longitudinal movement roller and the top of the guide shell;

[0006] Two support rods are fixed on the both sides of the longitudinal movement roller, a rotating shaft is fixed between the two support rods, and the rotating shaft is rotatably connected with a roller;

[0007] Further including the limiting pad piece detachably connected with the guide rod, the second slot for the guide rod to pass through is opened in the limiting pad piece, the second slot is opened in the notch for the intercommunication of outside, the limiting pad piece is opened in the guiding inclined plane on the limiting pad piece at the notch, and the upper surface of the limiting pad piece is used to support the lower surface of the limiting disc.

[0008] Through the above technical scheme, the utility model is installed on the table plate of sewing machine when being put into use, and due to the setting of the spring, the cloth can be stably abutted between the drum and the tabletop, and the stability and consistency of the guide are increased.

[0009] The limiting pad piece can pull up the drum when the utility model does not guide cloth or adjusts the cloth guide.

[0010] Preferably, the bottom of the two side walls of the guide shell forms a tabletop mounting portion, the bottom of the two side walls of the guide shell is integrally formed with an under-table mounting portion, a clamping portion for clamping the thickness of a table board is formed between the under-table mounting portion and the tabletop mounting portion, and the under-table mounting portion is integrally formed with the tabletop mounting portion through a connecting portion.

[0011] The under-table mounting portion has two forms, one of which is that the under-table mounting portion is arranged obliquely, and the under-table mounting portion is arranged obliquely from the connecting portion to the other side. The connecting portion is arc-shaped.

[0012] The other is that the under-table mounting portion and the tabletop mounting portion are arranged in parallel, and a plurality of arc-shaped protrusions arranged linearly are arranged on the under-table mounting portion, and the radii of the plurality of arc-shaped protrusions from the connecting portion to the other side increase in turn.

[0013] As one of the preferred modes, a silica gel adsorption piece is fixed on the inner wall of the clamping portion.

[0014] As one of the preferred modes, a plurality of suction cups are fixed on the inner wall of the clamping portion.

[0015] Through the above technical solution, the silica gel adsorption piece and the suction cup can increase the stability of installation, and the installation mode of the utility model is free of punching, convenient to install, and stable in clamping effect.

[0016] Preferably, a metal spring piece is spirally fixed outside the roller to abut the cloth against the tabletop for guiding.

[0017] Through the above technical solution, the metal spring piece arranged in a spiral has a certain elasticity, and under the action of the pressure provided by the spring, the arc-shaped metal spring piece further provides elasticity to facilitate stable pressing.

[0018] Compared with the prior art, the utility model has the advantages that: the utility model has a simple structure, the guide mechanism of the utility model is arranged on the sewing machine to guide the cloth to be sewn, effectively prevents the condition of sewing deviation, has high sewing efficiency and good quality, and can adapt to cloth of various thicknesses in cooperation with the arrangement of the metal spring piece and the spring. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a sectional front view of the utility model;

[0020] Figure 2 is a perspective view of the limiting pad of the utility model;

[0021] Figure 3 is a sectional side view of one embodiment of the utility model;

[0022] Figure 4 is a sectional side view of another embodiment of the utility model;

[0023] Reference signs:

[0024] 1 guide shell; 102 cloth guide channel; 103 longitudinal moving roller; 104 roller; 105 guide rod; 106 first slot; 107 limiting disc; 108 spring; 109 support rod; 110 rotating shaft; 111 roller; 112 guide groove; 113 desktop mounting part; 114 under-desk mounting part; 115 connecting part; 116 arc-shaped protrusion; 117 metal elastic sheet; 118 clamping part;

[0025] 2 limiting pad; 201 second slot; 202 notch; 203 guide inclined surface. DETAILED DESCRIPTION

[0026] In order to make the person skilled in the art better understand the utility model, so that the scope of protection of the utility model is more clearly limited, the utility model is described in detail below according to some specific embodiments of the utility model. It should be noted that the following is only some specific embodiments of the utility model concept, and only a part of the embodiments of the utility model, and the specific and direct description of related structures is only for the convenience of understanding the utility model, and each specific feature does not limit the implementation range of the utility model directly and directly.

[0027] Referring to the drawings, the utility model adopts the following technical scheme, a sewing machine cloth guide mechanism, including guide shell 1, the guide shell 1 is set up with cloth guide channel 102, the cloth guide channel 102 is equipped with at least one guide roller assembly in;

[0028] The guide roller assembly includes longitudinal moving roller 103, a plurality of rollers 104 are rotatably connected on the longitudinal moving roller 103, at least one guide rod 105 is fixed on the longitudinal moving roller 103, the top of the guide shell 1 is provided with the first slot 106 for the guide rod 105 to pass through, the guide rod 105 forms the limiting disc 107 after passing through the first slot 106;

[0029] The spring 108 is arranged between the longitudinal moving roller 103 and the top of the guide shell 1;

[0030] Two support rods 109 are fixed on the both sides of the longitudinal moving roller 103, the rotating shaft 110 is fixed between the two support rods 109, the roller 111 is rotatably connected outside the rotating shaft 110, and the guide groove 112 that cooperates with the roller 111 is arranged on the both side walls of the guide shell 1;

[0031] Further comprising a limiting pad 2 detachably connected with the guide rod 105, a second through slot 201 for the guide rod 105 to pass through is formed on the limiting pad 2, a gap 202 for communicating with the outside is formed on the second through slot 201, a guide inclined surface 203 is formed on the limiting pad 2 at the gap 202, and the upper surface of the limiting pad 2 is used for supporting the lower surface of the limiting disc 107.

[0032] Through the above technical scheme, the utility model is installed on the table plate of the sewing machine when put into use, and due to the arrangement of the spring 108, the cloth can be stably abutted between the roller 104 and the table top, and the stability and consistency of the guide are increased.

[0033] The limiting pad 2 arranged can pull up the roller 104 when the utility model does not guide the cloth or adjusts the cloth guide.

[0034] Preferably, the bottom of the two side walls of the guide shell 1 forms a table top mounting portion 113, the bottom of the two side walls of the guide shell 1 is integrally formed with a table bottom mounting portion 114, a clamping portion 118 for clamping the thickness of the table plate is formed between the table bottom mounting portion 114 and the table top mounting portion 113, and the table bottom mounting portion 114 is integrally formed with the table top mounting portion 113 through a connecting portion 115.

[0035] The table bottom mounting portion 114 has two forms, one of which is that the table bottom mounting portion 114 is arranged obliquely, and the table bottom mounting portion 114 is arranged obliquely from the connecting portion 115 to the other side. The connecting portion 115 is arc-shaped.

[0036] The other is that the table bottom mounting portion 114 is arranged parallel to the table top mounting portion 113, a plurality of linearly arranged arc-shaped protrusions 116 are arranged on the table bottom mounting portion, and the radii of the plurality of arc-shaped protrusions 116 gradually increase from the connecting portion 115 to the other side.

[0037] As one of the above preferred modes, a silica gel adsorption sheet is fixed on the inner wall of the clamping portion 118.

[0038] As one of the above preferred modes, a plurality of suction cups are fixed on the inner wall of the clamping portion 118.

[0039] Through the above technical scheme, the silica gel adsorption sheet and the suction cup can both increase the stability of installation, and the installation mode of the utility model is free from punching, convenient to install, and stable in clamping effect.

[0040] Preferably, a metal spring sheet 117 is spirally fixed outside the roller 104 to abut the cloth to the table top for guiding.

[0041] Through the technical scheme, the metal elastic sheet 117 arranged in a spiral has elasticity, and under the action of the spring 108 providing pressure, the arc-shaped metal elastic sheet 117 further provides elasticity to stabilize the pressing.

[0042] Compared with the prior art, the utility model has the advantages that: the utility model is simple in structure, the guide mechanism is arranged on the sewing machine, the cloth to be sewn is guided and sewn, the off-track condition during sewing is effectively prevented, the sewing efficiency is high, the quality is good, and the cloth of various thicknesses can be adapted by cooperation of the metal elastic sheet 117 and the spring 108.

[0043] Thus, the technical scheme of the utility model has been described in combination with the preferred embodiments shown in the drawings, but it is easy for those skilled in the art to understand that the protection scope of the utility model is obviously not limited to these specific embodiments. Those skilled in the art can make equivalent changes or replacements to the related technical features without departing from the principles of the utility model, and the technical schemes after the changes or replacements will all fall within the protection scope of the utility model.

Claims

1. A fabric guiding mechanism for a sewing machine, characterized in that: Including guide shell (1), cloth guide channel (102) is set up on the guide shell (1), at least one guide roller assembly is equipped in cloth guide channel (102); The guide roller assembly includes a longitudinal moving roller (103), a plurality of rollers (104) are rotatably connected to the longitudinal moving roller (103), at least one guide rod (105) is fixed to the longitudinal moving roller (103), a first through slot (106) for the guide rod (105) to pass through is formed in the top of the guide shell (1), and the guide rod (105) forms a limiting disc (107) after passing through the first through slot (106); The spring (108) is arranged between the longitudinal moving roller (103) and the top of the guide shell (1); Two support rods (109) are fixed to the two sides of the longitudinal moving roller (103), a rotating shaft (110) is fixed between the two support rods (109), and the rotating shaft (110) is rotatably connected with a roller (111) outside. The limiting pad (2) detachably connected with the guide rod (105) is also included, a second through slot (201) for the guide rod (105) to pass through is formed in the limiting pad (2), a gap (202) for communication with the outside is formed in the second through slot (201), a guide inclined surface (203) is formed in the limiting pad (2) at the gap (202), and the upper surface of the limiting pad (2) is used to support the lower surface of the limiting disc (107).

2. The sewing machine thread guide mechanism of claim 1, wherein: The bottom of the side wall of the guide shell (1) forms a tabletop mounting portion (113), the bottom of the side wall of the guide shell (1) is integrally formed with an under-table mounting portion (114), a clamping portion (118) for clamping the thickness of a table plate is formed between the under-table mounting portion (114) and the tabletop mounting portion (113), and the under-table mounting portion (114) is integrally formed with the tabletop mounting portion (113) through a connecting portion (115).

3. The sewing machine thread guide mechanism of claim 2, wherein: The under-table mounting portion (114) is obliquely arranged, and the under-table mounting portion (114) is obliquely arranged from the connecting portion (115) to the other side.

4. The sewing machine thread guide mechanism of claim 3, wherein: The connecting portion (115) is arc-shaped.

5. The sewing machine thread guide mechanism of claim 2, wherein: The under-table mounting portion (114) and the tabletop mounting portion (113) are arranged in parallel, a plurality of linearly arranged arc-shaped protrusions (116) are arranged on the under-table mounting portion (114), and the radii of the arc-shaped protrusions (116) gradually increase from the connecting portion (115) to the other side.

6. The sewing machine fabric guide mechanism of claim 2, wherein: A silica gel adsorption sheet is fixed to the inner wall of the clamping portion (118).

7. The sewing machine fabric guide mechanism of claim 2, wherein: A plurality of suction cups are fixed to the inner wall of the clamping portion (118).

8. The sewing machine thread guide mechanism of claim 1, wherein: The outer spiral of the roller (104) is fixed with a metal spring piece (117), so that the cloth is abutted to the tabletop for guiding.

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