阅读说明：本技术 一种超多头独立压脚机构 (Super-multiheaded independent presser foot mechanism ) 是由 余立科 侯乐飞 邱建霖 于 2020-06-09 设计创作，主要内容包括：本发明公开了一种超多头独立压脚机构,包括动力组件、压脚传动机构、压脚驱动组件和针杆压脚组件,所述动力组件包括传动轴、压脚凸轮和电机,若干个所述压脚凸轮分别固定在传动轴上且依次设置在相邻两个机头之间,所述压脚传动机构包括压脚传动件、滚动轴承和压脚驱动导向轴,所述压脚传动件套设在压脚驱动导向轴上且一侧与滚动轴承相连接,所述滚动轴承的底端与压脚凸轮的曲面相紧贴,所述压脚驱动组件包括压脚驱动器连接块和独立压脚驱动器,所述压脚驱动器连接块与压脚传动件相固定,所述独立压脚驱动器分别设置在压脚驱动器连接块的左右两端且与针杆压脚组件可拆卸固定,压脚传动的轴为独立传动,不影响速度及效率。(The invention discloses an ultra-multi-head independent presser foot mechanism, which comprises a power assembly, a presser foot transmission mechanism, a presser foot driving assembly and a needle rod presser foot assembly, wherein the power assembly comprises a transmission shaft, presser foot cams and a motor, a plurality of the presser foot cams are respectively fixed on the transmission shaft and are sequentially arranged between two adjacent machine heads, the presser foot transmission mechanism comprises a presser foot transmission member, a rolling bearing and a presser foot driving guide shaft, the presser foot transmission member is sleeved on the presser foot driving guide shaft, one side of the presser foot transmission member is connected with the rolling bearing, the bottom end of the rolling bearing is clung to the curved surface of the presser foot cam, the presser foot driving assembly comprises a presser foot driver connecting block and an independent presser foot driver, the presser foot driver connecting block is fixed with the presser foot transmission member, the independent presser foot drivers are respectively arranged, the shaft of the presser foot transmission is independent transmission, and the speed and the efficiency are not influenced.)

1. The utility model provides an independent presser foot mechanism of extra large head which characterized in that: the presser foot mechanism comprises a power assembly (13), a presser foot transmission mechanism (14), a presser foot driving assembly (15) and a needle rod presser foot assembly (16), wherein the power assembly (13) comprises a transmission shaft (131), presser foot cams (132) and a motor, the transmission shaft (131) horizontally penetrates through the machine shell (11) of a plurality of machine heads (1) and is driven by the motor to rotate, the presser foot cams (132) are respectively fixed on the transmission shaft (131) and sequentially arranged between two adjacent machine heads (1), the presser foot transmission mechanism (14) comprises a presser foot transmission member (142), a rolling bearing (143) and a presser foot driving guide shaft (145), the presser foot driving guide shaft (145) is vertically fixed in the machine shell (11) and is parallel to the driving shaft (12), the presser foot transmission member (142) is sleeved on the presser foot driving guide shaft (145) and one side of the presser foot transmission member is connected with the rolling bearing (, the bottom end of the rolling bearing (143) is attached to the curved surface of the presser foot cam (132) and drives the presser foot transmission piece (142) to move up and down along the presser foot drive guide shaft (145) along with the rotation of the presser foot cam (132), the presser foot drive assembly (15) comprises a presser foot driver connecting block (151) and an independent presser foot driver (152), the presser foot driver connecting block (151) is fixed with the presser foot transmission piece (142), and the independent presser foot drivers (152) are respectively arranged at the left end and the right end of the presser foot driver connecting block (151) and are detachably fixed with the needle rod presser foot assembly (16).

2. The extra-multi head independent presser foot mechanism of claim 1, wherein: the presser foot transmission mechanism (14) further comprises a presser foot lifting connecting piece (141) and a presser foot spring (144), an upper sleeve body (1411) and a lower sleeve body (1412) are respectively arranged at the upper end and the lower end of the presser foot lifting connecting piece (141), the upper sleeve body (1411), the lower sleeve body (1412) and the presser foot spring (144) are all sleeved on the presser foot driving guide shaft (145), the presser foot transmission piece (142) is located between the upper sleeve body (1411) and the lower sleeve body (1412), and the presser foot spring (144) is located between the upper sleeve body (1411) and the presser foot transmission piece (142).

3. The extra-multi head independent presser foot mechanism of claim 1, wherein: the independent presser foot driver (152) is sleeved on the driving shaft (12).

4. The extra-multi head independent presser foot mechanism of claim 1, wherein: the needle bar presser foot component (16) comprises a presser foot fixing shaft (161), a presser foot positioning block (162) and a presser foot body (163), the presser foot fixing shaft (161) is arranged in a shaft hole (211) of a frame body (21) of the needle bar frame (2) in a vertically sliding mode and is parallel to the presser foot driving guide shaft (145), the presser foot positioning block (162) is fixed to the upper end of the presser foot fixing shaft (161), the presser foot positioning block (162) is connected with an independent presser foot driver (152) in a clamping mode, and the presser foot body (163) is fixed to the bottom end of the presser foot fixing shaft (161).

5. The extra-multi head independent presser foot mechanism of claim 4, wherein: the side of the presser foot positioning block (162) is provided with a sliding sleeve (1621), an embroidery needle assembly (22) is vertically arranged in the needle bar frame (2), a needle bar (221) of the embroidery needle assembly (22) is parallel to the presser foot fixing shaft (161), and the sliding sleeve (1621) is fixed on the needle bar (221) in a sliding manner.

6. The extra-multi head independent presser foot mechanism of claim 4, wherein: the outer wall of the independent presser foot driver (152) is provided with a clamping plate (1521), the outer wall of the presser foot positioning block (162) is provided with a clamping block (1622), and the clamping block (1622) is clamped and fixed with the clamping plate (1521).

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of embroidery machines, in particular to the technical field of an ultra-multi-head independent presser foot mechanism.

[ background of the invention ]

The presser foot mechanism of the traditional embroidery machine is characterized in that the up-and-down motion of the presser foot is realized through a fixed cam curve according to the up-and-down motion track of the presser foot, main transmission still drives a cam from a main shaft and then drives the presser foot to realize the up-and-down motion of the presser foot, but the main shaft is always loaded more and more when the number of heads is more and more, and the speed and the efficiency are influenced.

[ summary of the invention ]

The invention aims to solve the problems in the prior art and provides an extra-multi-head independent presser foot mechanism, which separates the transmission of a presser foot from a main shaft, and the shaft of the presser foot transmission is independent transmission, so that the load of the main shaft is reduced, and the speed and the efficiency are not influenced.

In order to achieve the purpose, the invention provides an ultra-multi-head independent presser foot mechanism, which comprises a power assembly, a presser foot transmission mechanism, a presser foot driving assembly and a needle rod presser foot assembly, wherein the power assembly comprises a transmission shaft, a presser foot cam and a motor, the transmission shaft is horizontally arranged in a machine shell of a plurality of machine heads in a penetrating way and driven by the motor to rotate, the presser foot cams are respectively fixed on the transmission shaft and sequentially arranged between two adjacent machine heads, the presser foot transmission mechanism comprises a transmission piece, a rolling bearing and a presser foot driving guide shaft, the presser foot driving guide shaft is vertically fixed in the machine shell and parallel to a driving shaft, the presser foot transmission piece is sleeved on the presser foot driving guide shaft, one side of the presser foot transmission piece is connected with the rolling bearing, the bottom end of the rolling bearing is clung to the curved surface of the presser foot cam and, the presser foot drive assembly comprises a presser foot driver connecting block and an independent presser foot driver, the presser foot driver connecting block is fixed with the presser foot drive component, and the independent presser foot driver is respectively arranged at the left end and the right end of the presser foot driver connecting block and is detachably fixed with the needle rod presser foot assembly.

Preferably, the presser foot transmission mechanism further comprises a presser foot lifting connecting piece and a presser foot spring, an upper sleeve body and a lower sleeve body are respectively arranged at the upper end and the lower end of the presser foot lifting connecting piece, the upper sleeve body, the lower sleeve body and the presser foot spring are all sleeved on the presser foot driving guide shaft, the presser foot transmission piece is located between the upper sleeve body and the lower sleeve body, and the presser foot spring is located between the upper sleeve body and the presser foot transmission piece.

Preferably, the independent presser foot driver is sleeved on the driving shaft.

Preferably, the needle bar presser foot assembly comprises a presser foot fixing shaft, a presser foot positioning block and a presser foot body, the presser foot fixing shaft is arranged in the shaft hole of the frame body of the needle bar frame in a vertically sliding mode and is parallel to the presser foot driving guide shaft, the presser foot positioning block is fixed at the upper end of the presser foot fixing shaft and is connected with the independent presser foot driver in a clamping mode, and the presser foot body is fixed at the bottom end of the presser foot fixing shaft.

Preferably, the side face of the presser foot positioning block is provided with a sliding sleeve, an embroidery needle assembly is vertically arranged in the needle bar frame, a needle bar of the embroidery needle assembly is parallel to the presser foot fixing shaft, and the sliding sleeve is fixed on the needle bar in a sliding manner.

Preferably, the outer wall of the independent presser foot driver is provided with a clamping plate, the outer wall of the presser foot positioning block is provided with a clamping block, and the clamping block is clamped and fixed with the clamping plate.

The invention has the beneficial effects that: the presser foot driver drives the transmission shafts horizontally penetrating the plurality of heads to rotate through the motors to drive the plurality of presser foot cams positioned on the transmission shafts to rotate, and the curve profiles of the presser foot cams are matched with the rolling bearings, so that the presser foot driver moves up and down along the presser foot driving guide shaft, the presser foot body is adjusted to move to the required height through the presser foot driving assembly according to the requirements of embroidery, the integral structure is simple, and the tightness between heads is high; each needle is provided with an independent presser foot, so that the mutual entanglement of the threads between the needles can be effectively avoided; the transmission of the presser foot is separated from the main shaft, and the load of the main shaft is low; the height of the presser foot body is effectively positioned by arranging the presser foot positioning block; through set up the sliding sleeve on the presser foot locating piece, make its in-process of up-and-down motion, can slide from top to bottom along the needle bar, improve the stability of motion.

The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.

[ description of the drawings ]

FIG. 1 is a left side view of an extra-multiheaded independent presser foot mechanism of the present invention mounted within a machine head and needle bar frame;

FIG. 2 is an exploded schematic view of FIG. 1;

FIG. 3 is an enlarged schematic view at A of FIG. 2;

FIG. 4 is a schematic view of the combination of two heads with the power assembly, presser foot drive assembly and presser foot drive assembly installed;

FIG. 5 is a schematic perspective view of FIG. 4 with one of the heads removed;

fig. 6 is an exploded schematic view of fig. 5.

In the figure: 1-machine head, 11-machine shell, 12-driving shaft, 13-power component, 131-transmission shaft, 132-presser foot cam, 14-presser foot transmission component, 141-presser foot lifting connecting piece, 1411-upper sleeve body, 1412-lower sleeve body, 142-presser foot actuator, 143-rolling bearing, 144-presser foot spring, 145-presser foot driving guide shaft, 15-presser foot driving component, 151-presser foot actuator connecting block, 152-independent presser foot actuator, 1521-snap-gauge, 16-needle rod presser foot component, 161-presser foot fixing shaft, 162-presser foot positioning block, 1621-sliding sleeve, 1622-snap-gauge, 163-presser foot body, 2-needle rod frame, 21-frame body, 211-shaft hole, 22-embroidery needle component, etc, 221-needle bar.

[ detailed description ] embodiments

Referring to fig. 1 to 6, the invention relates to an ultra-multi-head independent presser foot mechanism, which comprises a power assembly 13, a presser foot transmission mechanism 14, a presser foot driving assembly 15 and a needle bar presser foot assembly 16, wherein the power assembly 13 comprises a transmission shaft 131, a presser foot cam 132 and a motor, the transmission shaft 131 is horizontally arranged in the machine shell 11 of a plurality of machine heads 1 in a penetrating manner and driven by the motor to rotate, the presser foot cams 132 are respectively fixed on the transmission shaft 131 and sequentially arranged between two adjacent machine heads 1, the presser foot transmission mechanism 14 comprises a presser foot transmission member 142, a rolling bearing 143 and a presser foot driving guide shaft 145, the presser foot driving guide shaft 145 is vertically fixed in the machine shell 11 and parallel to a driving shaft 12, the presser foot transmission member 142 is sleeved on the presser foot driving guide shaft 145 and one side of the pressing bearing is connected with the rolling bearing 143, the bottom end of the rolling bearing 143 is tightly attached to the curved surface of the presser The guide shaft 145 moves up and down, the presser foot driving assembly 15 includes a presser foot driver connecting block 151 and an independent presser foot driver 152, the presser foot driver connecting block 151 is fixed with the presser foot driving member 142, and the independent presser foot drivers 152 are respectively arranged at the left and right ends of the presser foot driver connecting block 151 and detachably fixed with the needle bar presser foot assembly 16.

The presser foot transmission mechanism 14 further comprises a presser foot lifting connector 141 and a presser foot spring 144, an upper sleeve body 1411 and a lower sleeve body 1412 are respectively arranged at the upper end and the lower end of the presser foot lifting connector 141, the upper sleeve body 1411, the lower sleeve body 1412 and the presser foot spring 144 are all sleeved on the presser foot driving guide shaft 145, the presser foot transmission member 142 is located between the upper sleeve body 1411 and the lower sleeve body 1412, and the presser foot spring 144 is located between the upper sleeve body 1411 and the presser foot transmission member 142.

The independent presser foot drive 152 is sleeved on the drive shaft 12.

The needle bar presser foot assembly 16 includes a presser foot fixing shaft 161, a presser foot positioning block 162 and a presser foot body 163, the presser foot fixing shaft 161 is vertically slidably disposed in the shaft hole 211 of the frame body 21 of the needle bar frame 2 and is parallel to the presser foot driving guide shaft 145, the presser foot positioning block 162 is fixed to the upper end of the presser foot fixing shaft 161, the presser foot positioning block 162 is engaged with the independent presser foot driver 152, and the presser foot body 163 is fixed to the bottom end of the presser foot fixing shaft 161.

The side of the presser foot positioning block 162 is provided with a sliding sleeve 1621, the needle bar frame 2 is vertically provided with an embroidery needle assembly 22, the needle bar 221 of the embroidery needle assembly 22 is parallel to the presser foot fixing shaft 161, and the sliding sleeve 1621 is fixed on the needle bar 221 in a sliding manner.

A clamping plate 1521 is arranged on the outer wall of the independent presser foot driver 152, a clamping block 1622 is arranged on the outer wall of the presser foot positioning block 162, and the clamping block 1622 is clamped and fixed with the clamping plate 1521.

The working process of the invention is as follows:

in operation, the motor drives the transmission shaft 131 to rotate, which drives the presser foot cam 132 located thereon to rotate, so that the curved profile of the presser foot cam 132, in cooperation with the rolling bearing 143, drives the presser foot actuator 142 to move up and down along the presser foot driving guide shaft 145, thereby realizing the height adjustment of the needle bar presser foot assembly 16.

The presser foot driver drives the transmission shafts horizontally penetrating the plurality of heads to rotate through the motors to drive the plurality of presser foot cams positioned on the transmission shafts to rotate, and the curve profiles of the presser foot cams are matched with the rolling bearings, so that the presser foot driver moves up and down along the presser foot driving guide shaft, the presser foot body is adjusted to move to the required height through the presser foot driving assembly according to the requirements of embroidery, the integral structure is simple, and the tightness between heads is high; each needle is provided with an independent presser foot, so that the mutual entanglement of the threads between the needles can be effectively avoided; the transmission of the presser foot is separated from the main shaft, and the load of the main shaft is low; the height of the presser foot body is effectively positioned by arranging the presser foot positioning block; through set up the sliding sleeve on the presser foot locating piece, make its in-process of up-and-down motion, can slide from top to bottom along the needle bar, improve the stability of motion.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.