阅读说明：本技术 一种刺绣机压脚传动件及使用该传动件的压脚传动装置 (Presser foot transmission member of embroidery machine and presser foot transmission device using same ) 是由 李益顺 李仙华 李效新 于 2019-08-26 设计创作，主要内容包括：本发明公开了一种刺绣机压脚传动件及使用该传动件的压脚传动装置,包括传动滑块、输入传动杆和输出传动体,所述传动滑块上设有两个导向孔,所述导向孔内均设有可滑动的导向杆,所述传动滑块的前端插入有通过固定螺钉与传动滑块固定连接的输入传动杆,所述传动滑块的后端设有输出传动体,与现有技术相比,能够提高使用寿命、运行稳定性和可靠性,降低噪音,加工要求简单,提高传动杆连接可靠性和垂直精度。(The invention discloses a presser foot transmission member of an embroidery machine and a presser foot transmission device using the same, comprising a transmission slide block, an input transmission rod and an output transmission member, wherein the transmission slide block is provided with two guide holes, the guide holes are internally provided with a slidable guide rod, the front end of the transmission slide block is inserted with the input transmission rod fixedly connected with the transmission slide block through a fixing screw, and the rear end of the transmission slide block is provided with the output transmission member.)

1. The utility model provides an embroidery machine presser foot driving medium which characterized in that: the mechanism comprises a transmission sliding block (01), an input transmission rod (03) and an output transmission body (04), wherein two guide holes (012) are formed in the transmission sliding block (01), slidable guide rods (05) are arranged in the guide holes (012), the input transmission rod (03) fixedly connected with the transmission sliding block (01) through a fixing screw (010) is inserted into the front end of the transmission sliding block (01), and the output transmission body (04) is arranged at the rear end of the transmission sliding block (01).

2. An embroidery machine presser foot drive as defined in claim 1, wherein: and a wear-resistant sleeve (02) is arranged between the guide rod (05) and the guide hole (012).

3. An embroidery machine presser foot drive as defined in claim 1, wherein: the front end of the input transmission rod (03) is provided with a blind hole (06), an oil guide wool felt (07) is arranged in the blind hole (06), and the peripheral surface of the input transmission rod (03) is provided with a plurality of oil outlet holes (08) communicated with the blind hole (06).

4. An embroidery machine presser foot drive as defined in claim 1, wherein: the output transmission body (04) is provided with a buffer block (09).

5. An embroidery machine presser foot drive as defined in claim 1, wherein: the central axes of the working ends of the input transmission rod (03) and the buffer block (09) are both positioned between the central axes of the two guide rods (05).

6. An embroidery machine presser foot drive as defined in claim 1, wherein: the input transmission rod (03) is provided with a groove (011) for tightly pushing the input transmission rod (03) by a fixing screw (010).

7. A presser foot transmission device is characterized in that: the embroidery machine presser foot transmission component comprises a machine head main shaft (41), at least three bearing seats (42), a balance block (43), a presser foot cam (44), a driving synchronous pulley (45), a presser foot transmission component (48) and a transmission component, wherein the rear end of the machine head main shaft (41) is provided with the two bearing seats (42) and the driving synchronous pulley (45) positioned between the two bearing seats (42), the front end of the machine head main shaft (41) is sequentially provided with the bearing seats (42), the balance block (43) and the presser foot cam (44) from front to back, the presser foot cam (44) drives the transmission component through the presser foot transmission component (48), and the transmission component is the embroidery machine presser foot transmission component claimed in any one of claims 1 to 6.

8. A presser foot drive arrangement as claimed in claim 7, wherein: an optical coupling induction sheet (46) and an angle indication ring (47) are sequentially arranged on a machine head main shaft (41) between the presser foot cam (44) and a bearing seat (42) at the rear from front to back, and the machine head main shaft further comprises an angle pointer (49) matched with the angle indication ring (47) and an optical coupling sensor (410) matched with the optical coupling induction sheet (46).

9. A presser foot drive arrangement as claimed in any one of claims 7 to 8, wherein: the presser foot transmission assembly (48) comprises a connecting rod I (481), a rotating shaft (482), a connecting rod II (483) and a connecting rod III (484), the rear end of the rotating shaft (482) is connected with a roller in a cam groove of the presser foot cam (410) through the connecting rod I (481), the front end of the rotating shaft (482) is connected with one end of the connecting rod III (484) through the connecting rod II (483), and the other end of the connecting rod III (484) is connected with an input transmission rod (03).

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of embroidery machines, in particular to a presser foot transmission member of an embroidery machine and a presser foot transmission device using the same.

[ background of the invention ]

The structure of the prior embroidery machine presser foot sliding transmission assembly is shown in figure 1, and an open structure at one end and a cylindrical surface matched at one end are adopted as a guide. This form has several drawbacks: 1. easy abrasion: the sliding transmission assembly is required to be light in weight, the common transmission sliding block is made of an aluminum alloy material, one end of the open structure is in line contact with the guide rod, and the sliding transmission assembly is easy to wear, short in service life and high in noise; 2. stability and reliability: the driving block is a hole and a groove, so that the operation stability and reliability are poor, and the finish machining requirement is complex; 3. the connecting mode of the transmission rod is as follows: the transmission rod of the transmission slide block is positioned by the step surface, is connected by threads, is prevented from loosening by thread glue, and is difficult to ensure the verticality and the reliability.

[ summary of the invention ]

The invention aims to solve the problems in the prior art, and provides a presser foot transmission member of an embroidery machine and a presser foot transmission device using the same, which can prolong the service life, improve the running stability and reliability, reduce the noise, have simple processing requirements, and improve the connection reliability and the vertical precision of a transmission rod.

In order to achieve the purpose, the invention provides a presser foot transmission part of an embroidery machine, which comprises a transmission slide block, an input transmission rod and an output transmission body, wherein the transmission slide block is provided with two guide holes, the guide holes are internally provided with a slidable guide rod, the front end of the transmission slide block is inserted with the input transmission rod fixedly connected with the transmission slide block through a fixing screw, and the rear end of the transmission slide block is provided with the output transmission body.

Preferably, a wear-resistant sleeve is arranged between the guide rod and the guide hole.

Preferably, the front end of the input transmission rod is provided with a blind hole, an oil guide wool felt is arranged in the blind hole, and the peripheral surface of the input transmission rod is provided with a plurality of oil outlets communicated with the blind hole.

Preferably, the output transmission body is provided with a buffer block.

Preferably, the central axes of the working ends of the input transmission rod and the buffer block are located between the central axes of the two guide rods.

Preferably, the input transmission rod is provided with a groove for tightly pushing the input transmission rod by a fixing screw.

A presser foot transmission device comprises a machine head main shaft, at least three bearing seats, a balance block, a presser foot cam, a driving synchronous belt wheel, a presser foot transmission assembly and a transmission piece, wherein the rear end of the machine head main shaft is provided with two bearing seats and the driving synchronous belt wheel positioned between the two bearing seats, the front end of the machine head main shaft is sequentially provided with a bearing seat, a balance block and a presser foot cam from front to back, the presser foot cam drives the transmission piece through the presser foot transmission assembly, and the transmission piece is the presser foot transmission piece of the embroidery machine.

Preferably, an optical coupling induction sheet and an angle indicating ring are sequentially arranged on the machine head main shaft between the presser foot cam and the bearing seat at the rear from front to back, and the machine head main shaft further comprises an angle pointer matched with the angle indicating ring and an optical coupling sensor matched with the optical coupling induction sheet.

Preferably, the presser foot transmission assembly comprises a connecting rod I, a rotating shaft, a connecting rod II and a connecting rod III, the rear end of the rotating shaft is connected with a roller in a cam groove of the presser foot cam through the connecting rod I, the front end of the rotating shaft is connected with one end of the connecting rod III through the connecting rod II, and the other end of the connecting rod III is connected with the input transmission rod.

The invention has the beneficial effects that: according to the invention, the transmission slide block is provided with two guide holes, the guide rods which are connected in a sliding manner are arranged in the guide holes, and double guide holes are adopted, so that the service life, the operation stability and the reliability can be prolonged, the noise is low, and the processing requirement is simple; the input transmission rod fixedly connected with the transmission slide block through the fixing screw is inserted into the front end of the transmission slide block, so that the transmission slide block and the input transmission rod are simpler to process, and the processing precision and the assembly precision of each part are higher; the central axis of the working end of the input transmission rod and the buffer block is positioned between the central axes of the two guide rods, so that the pressure foot transmission assembly is reasonable in stress, small in overturning moment, and capable of improving operation stability and reducing noise.

The balance block is arranged on the machine head main shaft, the bearing blocks are arranged at multiple points for supporting according to the eccentric distribution of the load and the rotation inertia of the machine head main shaft, the supporting rigidity and the rotation stability of the machine head main shaft are increased, the balance block is additionally arranged at a proper position, the eccentric influence of the rotation inertia caused by the load and the mass eccentric part is balanced, the dynamic balance effect is achieved, the machine can still stably work when running at high speed, vibration does not occur basically, the angle indicating ring is matched with the angle pointer, and the installation, the maintenance and the debugging are convenient.

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 schematic structural view of a conventional presser foot sliding transmission assembly of an embroidery machine;

FIG. 2 is a schematic structural view of a presser foot driving member of the embroidery machine according to the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

fig. 4 is a schematic structural view of a presser foot transmission device of the present invention.

In the figure: 01-a transmission slide block, 02-a wear-resistant sleeve, 03-an input transmission rod, 04-an output transmission body, 05-a guide rod, 06-a blind hole, 07-a wool felt guide, 08-an oil outlet, 09-a buffer block, 010-a fixing screw, 011-a groove, 012-a guide hole, 41-a machine head main shaft, 42-a bearing seat, 43-a balance block, 44-a presser foot cam, 45-a driving synchronous pulley, 46-an optical coupling induction sheet, 47-an angle indicating ring, 48-a presser foot transmission component, 49-an angle pointer, 410-an optical coupling sensor, 481-a connecting rod I, 482-a rotating shaft, 483-a connecting rod II and 484-a connecting rod III.

[ detailed description ] embodiments

Referring to fig. 2 and 3, the invention relates to a presser foot transmission member of an embroidery machine, which comprises a transmission slider 01, an input transmission rod 03 and an output transmission body 04, wherein the transmission slider 01 is provided with two guide holes 012, the guide holes 012 are internally provided with slidable guide rods 05, the front end of the transmission slider 01 is inserted with the input transmission rod 03 fixedly connected with the transmission slider 01 through a fixing screw 010, the rear end of the transmission slider 01 is provided with the output transmission body 04, a wear-resistant sleeve 02 is arranged between the guide rods 05 and the guide holes 012, the front end of the input transmission rod 03 is provided with a blind hole 06, an oil guide wool felt 07 is arranged in the blind hole 06, the peripheral surface of the input transmission rod 03 is provided with a plurality of oil outlet holes 08 communicated with the blind holes 06, the output transmission body 04 is provided with a buffer block 09, and the central axes of the working ends of the input transmission rod 03 and the buffer block 09 are both positioned between, the input transmission rod 03 is provided with a groove 011 used for tightly pushing the input transmission rod 03 by a fixing screw 010.

Referring to fig. 4, the presser foot transmission device of the present invention comprises a machine head spindle 41, at least three bearing seats 42, a balance weight 43, a presser foot cam 44, a driving synchronous pulley 45, a presser foot transmission assembly 48 and a transmission member, wherein the rear end of the machine head spindle 41 is provided with two bearing seats 42 and the driving synchronous pulley 45 positioned between the two bearing seats 42, the front end of the machine head spindle 41 is sequentially provided with a bearing seat 42, a balance weight 43 and a presser foot cam 44 from front to back, the presser foot cam 44 drives the transmission member through the presser foot transmission assembly 48, the transmission member is the above-mentioned presser foot transmission member of the embroidery machine, an optical coupling sensing piece 46 and an angle indicating ring 47 are sequentially arranged on the machine head spindle 41 between the presser foot cam 44 and the rear bearing seat 42 from front to back, and further comprises an angle pointer 49 matched with the angle indicating ring 47 and an optical coupling sensor 410 matched with the optical coupling, the presser foot transmission assembly 48 comprises a connecting rod I481, a rotating shaft 482, a connecting rod II483 and a connecting rod III484, wherein the rear end of the rotating shaft 482 is connected with a roller in a cam groove of the presser foot cam 44 through the connecting rod I481, the front end of the rotating shaft 482 is connected with one end of the connecting rod III484 through the connecting rod II483, and the other end of the connecting rod III484 is connected with the input transmission rod 03.

The working process of the invention is as follows:

in the working process of the presser foot transmission device, the synchronous belt wheel 45 is driven by the driving mechanism to drive the machine head main shaft 41 to rotate, the machine head main shaft 41 drives the presser foot cam 44 to rotate, the presser foot cam 44 drives the connecting rod I481 to swing in a reciprocating mode, the connecting rod I481 drives the connecting rod II483 to swing through the rotating shaft 482, the connecting rod II483 drives the transmission slide block 01 to move up and down through the connecting rod III484, and the transmission slide block 01 drives the presser foot assembly to work.

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.