Booster of linking machine

Abstract

The invention discloses a booster of a linking machine, relates to the technical field of linking machines, and aims to solve the technical problem of low processing efficiency of the linking machine, the booster comprises a shaft rod and an extension rod, the bottom of the shaft rod is rotatably connected with a fixed bearing, the fixed bearing is arranged in the center of a linking plate, one end of the extension rod is connected with the upper half part of the periphery of the shaft rod, and the other end of the extension rod is connected with the lower half part of the periphery of the shaft rod. A fixing seat is arranged at the other end of the extension rod, an edge fixing piece and a lower extension rod are arranged on the two sides of the fixing seat respectively, the edge fixing piece is of a blade-shaped structure, the edge fixing piece is close to the edge of the linking disc and is provided with an edge curling groove, a boosting rubber wheel is arranged on the periphery of the lower extension rod, and the lower surface of the boosting rubber wheel makes contact with the upper surface of the edge of the linking disc. Two blank pressing bearings are installed on the crank, and a blank pressing gap is formed between the blank pressing bearings. By means of the hemming groove of the edge fixing piece, the cooperation of the hemming groove and the linking plate edge needle and the design of the gap between the edge pressing bearings, the auxiliary edge fixing and edge pressing effects are achieved, and the machining efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of tray sewing machines, and more particularly to a tray sewing machine booster. Background Art

[0002] The disc sewing machine is also called a disc sewing machine, commonly known as a looper, which is a machine that uses sutures to sew the loops of sweaters. With the help of a disc sewing machine, the sewing of sweater pieces can be completed efficiently and quickly, which is much more efficient than manual sewing. When processing textiles, the existing disc sewing machine requires manual work to gradually fix the textiles on the edge needles of the sewing disc from the beginning to the end, and then press the edges, which is inefficient. In view of this, we propose a disc sewing machine booster. Summary of the invention

[0003] The purpose of the present invention is to overcome the deficiencies of the prior art, meet actual needs, and provide a disc sewing machine booster to solve the technical problem of low processing efficiency of the current disc sewing machine.

[0004] To solve the above technical problems, the present invention provides the following technical solutions: a booster for a sewing disc machine, comprising an axle rod and an extension rod, the bottom of the axle rod being rotatably connected to a fixed bearing, the fixed bearing being arranged at the center of the sewing disc, one end of the extension rod being connected to the upper half of the outer circumference of the axle rod, the other end of the extension rod being provided with a fixed seat, a fixed edge piece and a lower extension rod being respectively provided on both sides of the fixed seat, the fixed edge piece being a blade-shaped structure, the fixed edge piece being close to the edge of the sewing disc and being provided with a curling groove, a booster rubber wheel being provided on the outer circumference of the lower extension rod, the lower surface of the booster rubber wheel being in contact with the upper surface of the edge of the sewing disc, a crank being installed on the fixed seat, two edge pressing bearings being installed on the crank, and an edge pressing gap being provided between the edge pressing bearings.

[0005] Preferably, one end of the extension rod passes through a shaft rod, and a fastener for pressing the extension rod is threadedly fixed to the top of the shaft rod.

[0006] Preferably, the edge fixing piece and the lower extension rod pass through the fixing seat and are provided with an adjusting screw button on the outside, one end of the adjusting screw button is pressed against the edge fixing piece or the lower extension rod and is threadedly connected to the fixing seat.

[0007] Preferably, the edge of the curling groove is provided with an anti-slip notch opened on the fixed edge piece.

[0008] Preferably, the booster rubber wheel is provided with a fixing ring sleeved on the outer circumference of the lower extension rod, the booster rubber wheel can rotate freely on the fixing ring, and the fixing ring is provided with a tightening screw.

[0009] Preferably, the two pressure edge bearings are centrally rotatably connected with a fixing ring, the fixing ring is freely slidably sleeved on the outer periphery of the crank, and two adjusting nuts for constraining the pressure edge gap are threadedly fixed on the outer periphery of the crank.

[0010] Preferably, a handlebar is installed at the end of the crank, and a hand guard cap is installed at the end of the handlebar.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] 1. The present invention can be directly installed in the center of the seam disc through the design of the shaft and the fixed bearing, so that it is easy to install. The hemming groove of the edge fixing member and the cooperation between the hemming groove and the edge needle of the seam disc can position the pressing edge of the textile. The gap design between the pressing edge bearings has a force that presses the textile downward to the seam disc to achieve pressing edge. The booster rubber wheel is further arranged on the top of the seam disc. When rolling back and forth along the arc of the outer edge of the seam disc, the edge fixing and pressing can be performed, thereby achieving the effect of improving efficiency and solving the problem of low processing efficiency of the seam disc machine.

[0013] 2. The present invention can also achieve adjustment through the through-design of the extension rod, the lower extension rod and the fixed edge piece, and then through the threaded connection of the fasteners, the adjusting screws and the tightening screws, thereby improving its applicability. The spacing between the edge pressing bearings can be adjusted by two adjusting nuts, so that the edge pressing thickness or degree can be adjusted, achieving the adjustment effect and further solving the problem of poor applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the left bearing structure of the present invention;

[0015] Figure 2 It is a schematic diagram of the right bearing structure of the present invention;

[0016] Figure 3 It is a schematic diagram of a half-section structure of the pressure edge bearing in the present invention;

[0017] Figure 4 It is a schematic structural diagram of the edge fixing member in the present invention.

[0018] Explanation of the numbers in the figure: 1. Shaft; 2. Fixed bearing; 3. Extension rod; 4. Fixed seat; 5. Fixed edge piece; 6. Lower extension rod; 7. Curling groove; 8. Boost rubber wheel; 9. Crank; 10. Edge pressing bearing; 11. Adjusting screw; 12. Anti-slip notch; 13. Tightening screw; 14. Fixed ring; 15. Adjusting nut; 16. Handlebar; 17. Hand guard. DETAILED DESCRIPTION

[0019] like Figures 1 to 4As shown, the present invention relates to a sewing disc machine booster, including a shaft rod 1, the bottom of the shaft rod 1 is rotatably connected to a fixed bearing 2, the fixed bearing 2 is arranged at the center of the sewing disc, the edge of the sewing disc is a plurality of needle bodies, the sewing disc is a prior art, so it is not described in detail, the fixed bearing 2 can be directly installed in the center of the sewing disc, the design of the fixed bearing 2 makes it not affect its rotation, the outer periphery of the upper half of the shaft rod 1 is provided with an extension rod 3, the end of the extension rod 3 away from the shaft rod 1 is provided with a fixed seat 4, a crank 9 is installed on the fixed seat 4, a curved handle 16 is installed at the end of the crank 9, and a hand guard cap 17 is installed at the end of the curved handle 16, and the hand guard cap 17 serves to prevent the end from being scratched by burrs during processing. In order to protect the machine from injury, two edge pressing bearings 10 are installed on the crank 9, and an edge pressing gap is set between the edge pressing bearings 10, and the edge pressing gap is adapted to the sum of the thickness of the textile and the needle at the edge of the seam disc. A fixed edge piece 5 is arranged on one side of the fixed seat 4, and the fixed edge piece 5 is a blade-shaped structure. The fixed edge piece 5 is close to the edge of the seam disc and is provided with a curling groove 7. The side of the curling groove 7 is provided with an anti-skid notch 12 opened on the fixed edge piece 5. The anti-skid notch 12 has the functions of hooking and strengthening friction through the protruding tip, and plays a role in auxiliary positioning. A lower extension rod 6 is arranged on the other side of the fixed seat 4, and a booster rubber wheel 8 is arranged on the outer periphery of the lower extension rod 6, and the lower surface of the booster rubber wheel 8 contacts the upper surface of the edge of the seam disc;

[0020] Working principle: since the curling groove 7 is in basic contact with the edge needle of the seam disc, it only needs to be inserted into the partial area of ​​the head end of the textile to control the small edge. Then turn the curved handle 16 to open the edge pressing gap between the two edge pressing bearings 10. During the rolling process, the textile can be pressed. At the same time, since the booster rubber wheel 8 is in contact with the upper surface of the edge of the seam disc, the textile can be boosted during the reciprocating rolling process along the edge of the seam disc, and the wrinkled parts can also be pushed to align, further playing an auxiliary role.

[0021] Although the above structure can play an auxiliary role, it cannot be well applied to different sewing machines. In order to improve its applicability;

[0022] The booster rubber wheel 8 is provided with a fixing ring 14 sleeved on the outer periphery of the lower extension rod 6, and the booster rubber wheel 8 can rotate freely on the fixing ring 14, and the fixing ring 14 is provided with a tightening screw 13, and the centers of the two pressure edge bearings 10 are also rotatably connected with the fixing ring 14, and the fixing ring 14 is sleeved on the outer periphery of the crank 9 in a free sliding manner, and the outer periphery of the crank 9 is threadedly fixed with two adjusting nuts 15 for constraining the pressure edge gap;

[0023] By adjusting the two adjusting nuts 15, the gap can be adjusted according to the thickness of the textile or the seam plate, so that it has a better edge pressing effect, and the height adjustment of the booster rubber wheel 8 can adapt to seam plates of different heights;

[0024] Moreover, one end of the extension rod 3 passes through the shaft rod 1, and a fastener for pressing the extension rod 3 is fixed with a thread on the top of the shaft rod 1; the fixed edge piece 5 and the lower extension rod 6 pass through the fixed seat 4 and are provided with an adjusting screw button 11 on the outside, and one end of the adjusting screw button 11 presses against the fixed edge piece 5 or the lower extension rod 6 and is threadedly connected with the fixed seat 4;

[0025] Through the cooperation of the threaded connection and the pressing and fixing of one end, the spacing can be adjusted to adapt to the seam discs of different sizes and ensure that the curling groove 7 is matched with the edge of the seam disc.

[0026] The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. A person skilled in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not deviate from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. A booster for a sewing machine, characterized in that: include; A shaft (1), the bottom of which is rotatably connected to a fixed bearing (2), and the fixed bearing (2) is arranged at the center of the seam disc; An extension rod (3), one end of which is connected to the upper half of the outer circumference of the shaft rod (1), and the other end of which is provided with a fixing seat (4); A fixing member (5) and a lower extension rod (6) are respectively arranged on both sides of the fixed seat (4); the fixing member (5) is a blade-shaped structure; the fixing member (5) is close to the edge of the seam plate and is provided with a curling groove (7); a boosting rubber wheel (8) is arranged on the outer periphery of the lower extension rod (6); the lower surface of the boosting rubber wheel (8) is in contact with the upper surface of the edge of the seam plate; a crank (9) is installed on the fixed seat (4); two edge pressing bearings (10) are installed on the crank (9); and an edge pressing gap is provided between the edge pressing bearings (10).

2. A disc sewing machine booster according to claim 1, characterized in that: One end of the extension rod (3) passes through the shaft rod (1), and a fastener for pressing the extension rod (3) is threadedly fixed on the top of the shaft rod (1).

3. A disc sewing machine booster according to claim 2, characterized in that: The edge fixing piece (5) and the lower extension rod (6) penetrate the fixing seat (4) and are provided with an adjusting screw button (11) on the outside. One end of the adjusting screw button (11) is pressed against the edge fixing piece (5) or the lower extension rod (6) and is threadedly connected to the fixing seat (4).

4. A disc sewing machine booster according to claim 3, characterized in that: The side of the curling groove (7) is provided with an anti-slip notch (12) opened on the fixing edge piece (5).

5. A disc sewing machine booster according to claim 4, characterized in that: The boosting rubber wheel (8) is provided with a fixing ring (14) sleeved on the outer circumference of the lower extension rod (6); the boosting rubber wheel (8) can rotate freely on the fixing ring (14); and the fixing ring (14) is provided with a tightening screw (13).

6. A disc sewing machine booster according to claim 5, characterized in that: The centers of the two pressure edge bearings (10) are also rotatably connected with a fixing ring (14), and the fixing ring (14) is freely slidably sleeved on the outer periphery of the crank (9), and the outer periphery of the crank (9) is threadedly fixed with two adjusting nuts (15) for constraining the pressure edge gap.

7. A disc sewing machine booster according to claim 6, characterized in that: A curved handlebar (16) is installed at the end of the crank (9), and a hand guard cap (17) is installed at the end of the curved handlebar (16).

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