CN212611266U

CN212611266U - Independent presser foot device

Info

Publication number: CN212611266U
Application number: CN202020339592.0U
Authority: CN
Inventors: 李益顺; 李仙华; 李效新
Original assignee: Zhuji Shunda Machinery Manufacturing Co ltd
Current assignee: Zhuji Xinshun Precision Machinery Co.,Ltd.
Priority date: 2020-03-18
Filing date: 2020-03-18
Publication date: 2021-02-26
Anticipated expiration: 2030-03-18

Abstract

The utility model discloses an independent presser foot device, including presser foot subassembly, presser foot drive assembly and independent drive arrangement, presser foot drive assembly is by independent drive arrangement independent drive and drive presser foot subassembly work, compares with prior art, can reduce the unnecessary stroke, makes the loss of relevant material reduce greatly, and the noise reduction, the adjustability is strong, and no impact, the motion of presser foot does not have the influence to the load of main shaft and the motion of needle bar subassembly.

Description

Independent presser foot device

[ technical field ] A method for producing a semiconductor device

The utility model relates to a technical field of independent presser foot device.

[ background of the invention ]

The presser foot driving component of the embroidery machine and the industrial sewing machine is an embroidery machine key accessory, the presser foot presses the periphery of an embroidery point of an embroidery product in cooperation with the movement of an embroidery needle during embroidery so as to ensure embroidery quality, the presser foot reciprocates along with the embroidery needle, and the running speed is extremely high, so that the presser foot driving component is required to have large driving rigidity, small damping, low running noise, small vibration and long service life.

The non-independent presser foot structure is shown in figure 1, and the needle bar assembly can be driven to move up and down once by each rotation of the main shaft. The presser foot cam is arranged on the main shaft and fixedly connected with the main shaft, each circle of rotary motion of the main shaft is converted into swinging motion at a certain angle through the cooperation of the presser foot cam, the rocker and the roller assembly, and finally the swinging motion is converted into the up-and-down reciprocating motion of the presser foot driving assembly along the guide rod through the shaft, the large connecting rod, the pin shaft connecting assembly, the small connecting rod, the presser foot driving assembly, the guide rod and the like. The presser foot component is arranged between the needle bar component and the presser foot driving component and does reciprocating motion with the needle bar component and the presser foot driving component according to a certain rule.

The structure of the non-independent presser foot has the following defects: 1. only the start and stop points of the vertical movement of the presser foot can be finely adjusted, and the stroke of the presser foot driving component is determined, namely, the whole stroke of the presser foot of each embroidery needle needs to be moved. Large motion amplitude, large vibration, large noise and large material loss. 2. The motion curve is determined by the presser foot cam, and cannot be adjusted according to various embroidery modes. 3. The load of the main shaft is increased, and certain interference is carried on the motion load of the needle rod assembly. 4. At the contact surface A of the presser foot driving assembly and the presser foot assembly, the two contact surfaces are separated and contacted once by the movement of each needle, so that impact is formed, and vibration and noise are generated.

[ Utility model ] content

The utility model aims at solving the problem among the prior art, provide an independent presser foot device, can reduce the unnecessary stroke, make the loss of relevant material reduce greatly, the noise abatement, the adjustability is strong, and no impact, the motion of presser foot does not have the influence to the load of main shaft and the motion of needle bar subassembly.

In order to achieve the above object, the utility model provides an independent presser foot device, including presser foot subassembly, presser foot drive assembly and independent drive arrangement, presser foot drive assembly is by independent drive arrangement independent drive and drive presser foot subassembly work.

Preferably, the independent driving device comprises a driving mechanism and a transmission assembly, and the driving mechanism is in transmission connection with the presser foot driving assembly through the transmission assembly.

Preferably, the transmission assembly comprises a shaft body, a large connecting rod and a small connecting rod, the large connecting rod is arranged at the front end of the shaft body, and the small connecting rod is arranged at the free end of the large connecting rod.

Preferably, the driving mechanism is a driving motor.

Preferably, a main synchronizing wheel is arranged on a rotating shaft of the driving motor, a driven synchronizing wheel is arranged at the rear end of the shaft body, and synchronous belts are arranged on the main synchronizing wheel and the driven synchronizing wheel.

Preferably, the presser foot driving assembly comprises a sliding seat and a clamping body, the sliding seat is connected with the small connecting rod at the rear end and can be arranged in a sliding mode, the clamping body is arranged at the front end of the sliding seat, and a clamping groove is formed in the clamping body.

Preferably, the slide is slidably disposed on two guide rods.

Preferably, the presser foot component comprises a presser foot rod, a presser foot, a connecting seat and a clamping body, the lower end of the presser foot rod is provided with the presser foot, the presser foot rod is provided with the connecting seat, and the connecting seat is provided with the clamping body matched with the clamping groove.

The utility model has the advantages that: 1. the adjustability is strong: the lowest point, the highest point and the speed curve of the presser foot can be set and adjusted on the independent driving device through electric control, and the adjustment is convenient, concise and clear; 2. the phenomenon that the contact surface of the presser foot driving assembly is separated from the contact surface of the presser foot assembly is avoided, and the whole-process contact is effectively ensured by the matching of the clamping groove and the clamping body without impact; 3. the independently driven presser foot assembly and the independently arranged presser foot assembly have no influence on the load of the main shaft and the movement of the needle bar assembly; 4. the independently driven presser foot component has short stroke when embroidering, reduces unnecessary stroke and greatly reduces the loss of related materials.

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

[ description of the drawings ]

FIG. 1 is a schematic view of a non-independent presser foot;

fig. 2 is a schematic structural view of an independent presser foot device of the present invention.

In the figure: the device comprises a pressure foot component 1, a pressure foot driving component 2, an independent driving device 3, a needle bar frame 4, a contact surface A5, a pressure foot cam 6, a spindle 7, a rocker 8, a pressure foot bar 11, a pressure foot 12, a connecting seat 13, a clamping body 14, a sliding seat 21, a clamping body 22, a clamping groove 23, a guide rod 24, a driving mechanism 31, a transmission component 32, a main synchronizing wheel 33, a driven synchronizing wheel 34, a synchronous belt 35, a shaft body 321, a big connecting rod 322 and a small connecting rod 323.

[ detailed description ] embodiments

Referring to fig. 2, the utility model relates to an independent presser foot device, including presser foot subassembly 1, presser foot drive assembly 2 and independent drive arrangement 3, presser foot drive assembly 2 is by independent drive arrangement 3 independent drive and drive presser foot subassembly 1 work, independent drive arrangement 3 includes actuating mechanism 31 and drive assembly 32, actuating mechanism 31 passes through drive assembly 32 and is connected with presser foot drive assembly 2 transmission, drive assembly 32 includes axis body 321, big connecting rod 322 and little connecting rod 323, the front end of axis body 321 is equipped with big connecting rod 322, the free end of big connecting rod 322 is equipped with little connecting rod, actuating mechanism 31 is driving motor, be equipped with main synchronizing wheel 33 in driving motor's the axis of rotation, the rear end of axis body 321 is equipped with driven synchronizing wheel 34, be equipped with hold-in range 35 on main synchronizing wheel 33 and the driven synchronizing wheel 34, presser foot drive assembly 2 includes that the rear end is connected with little connecting rod 323 and slidable sets up slide 21 and establishes the card body at the front end of slide 21 22, a clamping groove 23 is formed in the clamping body 22, the sliding base 21 is slidably disposed on the two guide rods 24, the presser foot assembly 1 includes a presser foot rod 11, a presser foot 12, a connecting base 13 and a clamping body 14, the lower end of the presser foot rod 11 is provided with the presser foot 12, the presser foot rod 11 is provided with the connecting base 13, and the connecting base 13 is provided with the clamping body 14 matched with the clamping groove 23.

The utility model discloses the working process:

the utility model relates to an independent presser foot device is in the course of the work, driving motor passes through PLC electrical control and drives the positive and negative rotation in turn of main synchronizing wheel 33, main synchronizing wheel 33 drives axis body 321 through the cooperation of driven synchronizing wheel 34 and hold-in range 35 and rotates, axis body 321 drives big connecting rod 322 swing, big connecting rod 322 drives slide 21 along guide arm 24 reciprocating sliding through little connecting rod 323, slide 21 drives connecting seat 13 motion through the cooperation of card body 22 with the joint body 14, connecting seat 13 drives the motion of presser foot 12 through presser foot pole 11.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims

1. An independent presser foot device, its characterized in that: the automatic presser foot driving mechanism comprises a presser foot component (1), a presser foot driving component (2) and an independent driving device (3), wherein the presser foot driving component (2) is independently driven by the independent driving device (3) and drives the presser foot component (1) to work.

2. An independent presser foot arrangement as claimed in claim 1, wherein: the independent driving device (3) comprises a driving mechanism (31) and a transmission assembly (32), and the driving mechanism (31) is in transmission connection with the presser foot driving assembly (2) through the transmission assembly (32).

3. An independent presser foot arrangement as claimed in claim 2, wherein: the transmission assembly (32) comprises a shaft body (321), a large connecting rod (322) and a small connecting rod (323), the large connecting rod (322) is arranged at the front end of the shaft body (321), and the small connecting rod is arranged at the free end of the large connecting rod (322).

4. An independent presser foot arrangement as claimed in claim 2, wherein: the driving mechanism (31) is a driving motor.

5. An independent presser foot arrangement as claimed in claim 4, wherein: the driving mechanism is characterized in that a main synchronizing wheel (33) is arranged on a rotating shaft of the driving motor, a driven synchronizing wheel (34) is arranged at the rear end of the shaft body (321), and a synchronous belt (35) is arranged on the main synchronizing wheel (33) and the driven synchronizing wheel (34).

6. An independent presser foot arrangement as claimed in claim 1, wherein: the presser foot driving assembly (2) comprises a sliding seat (21) and a clamping body (22), wherein the rear end of the sliding seat (21) is connected with a small connecting rod (323) and can be arranged in a sliding mode, the clamping body (22) is arranged at the front end of the sliding seat (21), and a clamping groove (23) is formed in the clamping body (22).

7. An independent presser foot arrangement as claimed in claim 6, wherein: the sliding base (21) is arranged on the two guide rods (24) in a sliding mode.

8. An independent presser foot arrangement as claimed in any one of claims 1 to 7, wherein: the pressure foot component (1) comprises a pressure foot rod (11), a pressure foot (12), a connecting seat (13) and a clamping body (14), the pressure foot (12) is arranged at the lower end of the pressure foot rod (11), the connecting seat (13) is arranged on the pressure foot rod (11), and the clamping body (14) matched with the clamping groove (23) is arranged on the connecting seat (13).