CN220034888U - Multi-needle foot pressing embroidery machine - Google Patents

Abstract

The utility model relates to the field of embroidery machines and discloses a multi-needle presser foot embroidery machine which comprises an embroidery machine head, a presser foot driving shaft, a presser foot mounting seat, a plurality of presser foot connecting assemblies, a plurality of presser feet, a plurality of needle head driving shafts, a plurality of needle heads and a height adjusting assembly. The utility model has the following advantages and effects: the height positions of the plurality of presser feet are convenient to be adjusted slightly, and the quality of cloth embroidery processing can be effectively guaranteed.

Description

A multi-needle presser foot embroidery machine

Technical field

The utility model relates to the technical field of embroidery machines, in particular to a multi-needle presser foot embroidery machine.

Background technique

The embroidery machine refers to the mechanical equipment that performs embroidery processing on fabrics. The embroidery machine is the most advanced embroidery machinery in the world. It can realize traditional manual embroidery at high speed and efficiency, and can also achieve things that cannot be achieved by manual embroidery. "Multi-level, multi-function, unity and perfection" requirements. Nowadays, with the development of science and technology, there are more and more types and functions of embroidery machines. Among them, multi-needle presser foot embroidery machine is one of the more commonly used embroidery machines. .

Although the existing multi-needle presser foot embroidery machine can meet the basic needs of embroidery in actual use, it is found that there are still at least the following defects in actual use: the height positions of the multiple presser feet on the existing multi-needle presser foot embroidery machine It is not adjustable. When the presser foot is too high, it is easy to cause thread breakage and stitch leakage when the machine is running. When the presser foot is too low, the embroidery effect will not be full enough, and if the height of the presser foot is too high or too low, it will cause problems. The embroidery quality of the fabric is adversely affected.

Therefore, it is necessary to design a multi-needle presser foot embroidery machine that facilitates fine adjustment of the height positions of multiple presser feet and can effectively ensure the quality of fabric embroidery processing.

Utility model content

The purpose of this utility model is to provide a multi-needle presser foot embroidery machine, which has the effect of facilitating fine adjustment of the height positions of multiple presser feet.

The above technical purpose of the present utility model is achieved through the following technical solutions: a multi-needle presser foot embroidery machine, including an embroidery machine head, a presser foot drive shaft, a presser foot mounting base, a plurality of presser foot connection assemblies, a plurality of The presser foot, a plurality of needle drive shafts, a plurality of needles and a height adjustment assembly. The presser foot drive shaft is slidably installed at the bottom of the embroidery machine head. The presser foot mounting base is fixedly installed at the bottom end of the presser foot drive shaft. The presser foot There is an installation groove at the bottom of the installation base, and a lifting plate is slidably installed in the installation groove. Multiple presser foot connection components are set at the bottom of the lifting plate and arranged at equal intervals. Multiple presser feet are respectively set at corresponding presser foot connections. At the bottom of the assembly, the height adjustment assembly is set in the installation slot and above the lifting plate. Multiple needle drive shafts are slidably installed at the bottom of the embroidery machine head and arranged at equal intervals. Multiple needle drive shafts are located on the presser foot. On the right side of the mounting base, multiple needle heads are fixedly installed on the bottom end of the corresponding needle drive shaft, multiple presser feet are provided with needle holes, and the plurality of needle heads are located directly above the corresponding needle holes.

By adopting the above technical solution, the presser foot driving shaft is used to control the vertical reciprocating movement of the presser foot mounting base, thereby controlling the vertical reciprocating movement of multiple presser feet. The presser foot connection component is used to control the pressing down and reset of the presser foot. The needle drive The shaft is used to control the vertical reciprocating movement of the needle, and the height adjustment component is used to fine-tune the height positions of multiple presser feet.

The utility model is further configured as follows: the presser foot connection assembly includes a shaft sleeve, a vertical sliding rod, an annular plate and a spring. The shaft sleeve is fixedly installed at the bottom of the lifting plate. The top and bottom of the shaft sleeve are open structures. The bottom of the vertical sliding rod extends outside the installation groove, the vertical sliding rod is set in the shaft sleeve, the top of the lifting plate is provided with a vertical sliding hole, the top of the vertical sliding rod penetrates the vertical sliding hole, and the bottom end of the vertical sliding rod extends to the outside of the shaft sleeve, pressing The feet are fixedly installed on the bottom end of the vertical sliding rod, the annular plate fixed sleeve is set on the vertical sliding rod, the bottom end of the spring is fixedly connected with the top of the annular plate, the top end of the spring is fixedly connected with the bottom of the lifting plate, and the spring sleeve is set on the vertical sliding rod. on the slider.

By adopting the above technical solution and utilizing the elastic force generated by the variability of the spring, the vertical slide rod can be controlled to drive the presser foot to automatically reset.

The utility model is further configured as follows: a plurality of rolling balls are nested on the inner wall of the vertical sliding hole, the plurality of rolling balls are arranged in an annular shape at equal intervals, and the plurality of rolling balls are in rolling contact with the side wall of the vertical sliding rod.

By adopting the above technical solution and using multiple balls, the vertical sliding rod can slide more smoothly in the vertical sliding hole.

The utility model is further configured as follows: the height adjustment assembly includes a U-shaped plate, two screw rods, two shaft seats, two transmission gears, a motor and a main gear. The U-shaped plate is fixedly installed on the top of the lifting plate, and the U-shaped plate is fixedly installed on the top of the lifting plate. There are two threaded holes on the top of the profile plate. The two screw rods are threadedly installed in the corresponding threaded holes. Both ends of the screw rod extend outside the threaded holes. The two axle seats are fixedly installed on the top of the installation slot. On the inner wall, the tops of the two screw rods are rotationally connected to the corresponding shaft seats. The two transmission gears are fixedly sleeved on the corresponding screw rods. The two transmission gears are located above the U-shaped plate. The gears mesh, the motor is fixedly installed on the top inner wall of the installation slot, the main gear is fixedly installed on the output shaft end of the motor, and the main gear meshes with one of the two transmission gears.

By adopting the above technical solution, the motor can be used to control the rotation of the main gear, and the meshing transmission effect of the main gear and one of the transmission gears, and the meshing transmission effect of the two transmission gears, can be used to control the two screw rods to rotate in the opposite direction synchronously.

A further configuration of the present invention is that the threads of the two screw rods are arranged in opposite directions.

By adopting the above technical solution and setting up two screw rods with opposite thread directions, the U-shaped plate can be smoothly controlled to rise or fall vertically while the two screw rods rotate in opposite directions synchronously.

The utility model is further configured as follows: limit grooves are provided on the inner walls of both sides of the installation groove, limit rods are fixedly installed on both sides of the lifting plate, and the two limit rods are slidably installed in the corresponding limit grooves. Inside.

By adopting the above technical solution and utilizing the sliding connection and cooperation of the limit rod in the limit groove, the lifting stroke of the lifting plate can be limited.

The beneficial effects of this utility model are:

The utility model facilitates micro-adjustment of the height positions of multiple presser feet by utilizing a height adjustment assembly composed of a U-shaped plate, two screw rods, two shaft seats, two transmission gears, a motor and a main gear. It can effectively protect the quality of fabric embroidery processing when thread breakage, missed stitches or insufficient embroidery effects occur during fabric embroidery, and solves the problem of multiple presser foot heights on existing multi-needle presser foot embroidery machines. The position cannot be adjusted. When the presser foot is too high, it is easy to cause thread breakage and stitches missing when the machine is running. When the presser foot is too low, the embroidery effect will not be full enough, and the height of the presser foot will be too high or too low. A problem that adversely affects the embroidery quality of the fabric.

Description of the drawings

In order to explain the technical solutions in the embodiments of the present utility model more clearly, the drawings needed to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some implementations of the utility model. For example, for those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting creative efforts.

Figure 1 is a schematic three-dimensional structural diagram of this embodiment.

Figure 2 is a schematic front cross-sectional structural diagram of this embodiment.

Figure 3 is an enlarged structural schematic diagram of part A in Figure 2.

In the picture, 1. Embroidery machine head; 2. Presser foot driving shaft; 3. Presser foot mounting base; 4. Presser foot; 5. Needle driving shaft; 6. Needle; 7. Lifting plate; 8. Bushing; 9 , vertical sliding rod; 10. ring plate; 11. spring; 12. U-shaped plate; 13. screw rod; 14. shaft seat; 15. transmission gear; 16. motor; 17. main gear; 18. needle hole.

Detailed ways

The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

Referring to Figures 1, 2 and 3, the utility model provides a multi-needle presser foot embroidery machine, which includes: an embroidery machine head 1, a presser foot drive shaft 2, a presser foot mounting base 3, and multiple presser foot connection components. A plurality of presser feet 4, a plurality of needle drive shafts 5, a plurality of needle heads 6 and a height adjustment assembly. The presser foot drive shaft 2 is slidably installed on the bottom of the embroidery machine head 1. The presser foot mounting base 3 is fixedly installed on the presser foot drive shaft. 2, a mounting slot is provided at the bottom of the presser foot mounting base 3, and a lifting plate 7 is slidably installed in the mounting slot. Multiple presser foot connection components are arranged at the bottom of the lifting plate 7 and are arranged at equal intervals. The presser feet 4 are respectively arranged at the bottom of the corresponding presser foot connection components. The above-mentioned presser foot connection components include a shaft sleeve 8, a vertical sliding rod 9, an annular plate 10 and a spring 11. The shaft sleeve 8 is fixedly installed at the bottom of the lifting plate 7. The top and bottom of the shaft sleeve 8 are both open structures. The bottom of the shaft sleeve 8 extends outside the installation groove. The vertical sliding rod 9 is set in the shaft sleeve 8. The top of the lifting plate 7 is provided with a vertical sliding hole. The vertical sliding rod 9 The top passes through the vertical sliding hole, the bottom end of the vertical sliding rod 9 extends to the outside of the shaft sleeve 8, the presser foot 4 is fixedly installed on the bottom end of the vertical sliding rod 9, the annular plate 10 is fixedly sleeved on the vertical sliding rod 9, and the spring 11 The bottom end is fixedly connected to the top of the annular plate 10, the top end of the spring 11 is fixedly connected to the bottom of the lifting plate 7, the spring 11 is set on the vertical sliding rod 9, and the height adjustment component is set in the installation groove and located above the lifting plate 7 , the above-mentioned height adjustment assembly includes a U-shaped plate 12, two screw rods 13, two shaft seats 14, two transmission gears 15, a motor 16 and a main gear 17. The U-shaped plate 12 is fixedly installed on the top of the lifting plate 7, There are two threaded holes on the top of the U-shaped plate 12. The threads of the two screw rods 13 are arranged in opposite directions. The two screw rods 13 are threadedly installed in the corresponding threaded holes. Both ends of the screw rod 13 extend to Outside the threaded holes, the two shaft seats 14 are fixedly installed on the top inner wall of the installation slot. The tops of the two screw rods 13 are respectively rotatably connected to the corresponding shaft seats 14. The two transmission gears 15 are fixedly sleeved on the corresponding shaft seats 14. On the screw rod 13, the two transmission gears 15 are located above the U-shaped plate 12, and the two transmission gears 15 mesh. The motor 16 is fixedly installed on the top inner wall of the installation slot, and the main gear 17 is fixedly installed on the output of the motor 16. At the shaft end, the main gear 17 is meshed with one of the two transmission gears 15. It should be noted that the motor 16 adopts a reversible motor. The motor 16 is electrically connected to the control switch installed on the embroidery machine. The control switch The start, stop, forward and reverse operation of the motor 16 can be controlled. The distance between the two screw rods 13 is larger than the diameter of the vertical sliding rod 9, so that the vertical sliding rod 9 will not come into contact with the two screw rods 13. Multiple needles The drive shafts 5 are all slidably installed at the bottom of the embroidery machine head 1 and are arranged at equal intervals. The plurality of needle drive shafts 5 are located on the right side of the presser foot mounting base 3. The plurality of needle heads 6 are respectively fixedly installed on the corresponding needle drive At the bottom end of the shaft 5, a plurality of presser feet 4 are provided with needle holes 18, and a plurality of needle heads 6 are respectively located directly above the corresponding needle holes 18.

Through the above structure, the multi-needle presser foot embroidery machine provided by the utility model facilitates fine adjustment of the height positions of the multiple presser feet 4, and can effectively ensure the quality of fabric embroidery processing. During specific operation, the fabric is laid flat on multiple Below a presser foot 4, by controlling the operation of the presser foot drive shaft 2 and the plurality of needle drive shafts 5, the presser foot drive shaft 2 can drive the presser foot mounting base 3, multiple presser foot connection components and multiple presser feet 4 Perform vertical reciprocating motion, so that multiple needle drive shafts 5 drive the corresponding needles 6 to perform vertical reciprocating motion, and then the fabric can be embroidered. When the height positions of the multiple presser feet 4 need to be adjusted, start The motor 16 rotates forward, and the motor 16 drives the main gear 17 to rotate forward. By utilizing the meshing transmission effect of the main gear 17 and one of the transmission gears 15, and cooperating with the meshing transmission effect of the two transmission gears 15, the two screw rods 13 can be controlled to be synchronous. Rotate in the opposite direction, causing the U-shaped plate 12 to drive the lifting plate 7, multiple presser foot connecting components and multiple presser feet 4 to move vertically downward. Similarly, by starting the motor 16 to reverse, the motor 16 drives the main gear 17 to rotate in the reverse direction. , the U-shaped plate 12 can be controlled to drive the lifting plate 7, the plurality of presser foot connecting components and the plurality of presser feet 4 to move upward vertically, thereby adjusting the height positions of the plurality of presser feet 4, and can adjust the height according to the processing requirements. Multiple presser feet 4 are adjusted to a suitable height position to avoid thread breakage, missing stitches or insufficient embroidery effects during the embroidery process.

Specifically, a plurality of balls are nested on the inner wall of the vertical sliding hole. The plurality of balls are arranged in an annular shape at equal intervals, and the plurality of balls are in rolling contact with the side wall of the vertical sliding rod 9 .

Specifically, limit grooves are provided on the inner walls of both sides of the installation groove, limit rods are fixedly installed on both sides of the lifting plate 7, and the two limit rods are slidably installed in the corresponding limit grooves.

The multi-needle presser foot embroidery machine provided by the utility model has been introduced in detail above. This article uses specific embodiments to illustrate the principles and implementation methods of the present utility model. The description of the above embodiments is only used to help understand the method and the core idea of the present utility model. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present utility model, several improvements and modifications can be made to the present utility model, and these improvements and modifications also fall within the protection of the claims of the present utility model. within the range.

Claims (6)

1. The utility model provides a multi-needle presser foot embroidery machine which is characterized in that the multi-needle presser foot embroidery machine comprises an embroidery machine head (1), a presser foot driving shaft (2), a presser foot mounting seat (3), a plurality of presser foot connecting components, a plurality of presser feet (4), a plurality of needle head driving shafts (5), a plurality of needle heads (6) and a height adjusting component, the presser foot driving shaft (2) is slidingly mounted at the bottom of the embroidery machine head (1), the presser foot mounting seat (3) is fixedly mounted at the bottom of the presser foot driving shaft (2), a mounting groove is formed at the bottom of the presser foot mounting seat (3), a lifting plate (7) is slidingly mounted in the mounting groove, a plurality of presser foot connecting components are all arranged at the bottom of the lifting plate (7) and are distributed at equal intervals, the plurality of presser feet (4) are respectively arranged at the bottoms of the corresponding presser foot connecting assemblies, the height adjusting assemblies are arranged in the mounting grooves and are positioned above the lifting plates (7), the plurality of needle head driving shafts (5) are respectively and slidably arranged at the bottoms of the embroidery machine heads (1) and are distributed at equal intervals, the plurality of needle head driving shafts (5) are respectively positioned at the right sides of the presser foot mounting seats (3), the plurality of needle heads (6) are respectively and fixedly arranged at the bottom ends of the corresponding needle head driving shafts (5), the plurality of presser feet (4) are respectively provided with needle penetrating holes (18), the plurality of needles (6) are respectively positioned right above the corresponding needle penetrating holes (18).

2. A multi-needle presser foot embroidery machine as claimed in claim 1, wherein: the presser foot connecting assembly comprises a shaft sleeve (8), a vertical sliding rod (9), an annular plate (10) and a spring (11), wherein the shaft sleeve (8) is fixedly installed at the bottom of the lifting plate (7), the top and the bottom of the shaft sleeve (8) are of an opening structure, the bottom of the shaft sleeve (8) extends to the outside of the mounting groove, the vertical sliding rod (9) is arranged in the shaft sleeve (8), a vertical sliding hole is formed in the top of the lifting plate (7), the top of the vertical sliding rod (9) penetrates through the vertical sliding hole, the bottom of the vertical sliding rod (9) extends to the outside of the shaft sleeve (8), the presser foot (4) is fixedly installed at the bottom of the vertical sliding rod (9), the annular plate (10) is fixedly sleeved on the vertical sliding rod (9), the bottom of the spring (11) is fixedly connected with the top of the annular plate (10), the top of the spring (11) is fixedly connected with the bottom of the lifting plate (7), and the spring (11) is sleeved on the vertical sliding rod (9).

3. A multi-needle presser foot embroidery machine as claimed in claim 2, wherein: the inner wall of the vertical sliding hole is nested with a plurality of balls, the balls are distributed in an equidistant annular mode, and the balls are in rolling contact with the side wall of the vertical sliding rod (9).

4. A multi-needle presser foot embroidery machine as claimed in claim 1, wherein: the height adjusting assembly comprises a U-shaped plate (12), two screw rods (13), two shaft seats (14), two transmission gears (15), a motor (16) and a main gear (17), wherein the U-shaped plate (12) is fixedly installed at the top of the lifting plate (7), two threaded holes are formed in the top of the U-shaped plate (12), the two screw rods (13) are respectively and threadedly installed in corresponding threaded holes, two ends of the screw rods (13) are respectively extended out of the threaded holes, the two shaft seats (14) are respectively and fixedly installed on the inner wall of the top of the installation groove, the top ends of the two screw rods (13) are respectively and rotatably connected with the corresponding shaft seats (14), the two transmission gears (15) are respectively and fixedly sleeved on the corresponding screw rods (13), the two transmission gears (15) are respectively located above the U-shaped plate (12), the two transmission gears (15) are meshed, the motor (16) are fixedly installed on the inner wall of the top of the installation groove, and the motor (17) is fixedly installed on the inner wall of the top of the installation groove, and the two transmission gears (17) are fixedly installed on the shaft ends of the main gear (17).

5. The multi-needle presser foot embroidery machine of claim 4, wherein: the screw threads of the two screw rods (13) are oppositely arranged.

6. A multi-needle presser foot embroidery machine as claimed in claim 1, wherein: limiting grooves are formed in the inner walls of the two sides of the mounting groove, limiting rods are fixedly mounted on the two sides of the lifting plate (7), and the two limiting rods are respectively and slidably mounted in the corresponding limiting grooves.