CN-224227389-U - Feeding and upper pulling machine

Abstract

The utility model provides a feeding and lasting machine, which comprises a shell, a needle bar mechanism, a presser foot mechanism and a feeding mechanism, wherein a rotatable main shaft is arranged in the shell to drive the needle bar mechanism to reciprocate, the presser foot mechanism is provided with a presser foot driving source and a presser foot wheel capable of rotating independently, in addition, the feeding mechanism is arranged on the shell and is provided with a driving shaft, a feeding driving source, a feeding wheel and a steering assembly, the driving shaft is transversely connected with the feeding driving source, the feeding shaft is longitudinally arranged on the shell, wherein the feeding driving source drives the driving shaft to transversely rotate, the steering assembly can convert the transverse rotation into the longitudinal rotation to drive the feeding shaft and the feeding wheel to synchronously and longitudinally rotate, and therefore, the needle bar mechanism, the presser foot mechanism and the feeding mechanism can respectively and independently operate, and further the internal mechanism of the conventional lasting machine can be effectively replaced, and the spatial configuration of the needle bar mechanism and the feeding mechanism arranged in the shell can be improved.

Inventors

• CHEN XUHUI

Assignees

• 启翔股份有限公司
• 启翔针车（上海）有限公司

Dates

Publication Date

20260512

Application Date

20250512

Claims (10)

1. 1. A feeding and lasting machine, comprising: a shell provided with a main shaft capable of rotating; The needle bar mechanism is provided with a needle bar connected with the main shaft and a needle connected with the needle bar, and the needle bar can drive the needle to reciprocate through the main shaft which rotates; A presser foot mechanism having a presser foot frame mounted on the outside of the housing, the presser foot frame having a presser foot wheel on the outside of the housing and a presser foot driving source for driving the presser foot wheel to rotate, and The feeding mechanism is connected to the shell and comprises a feeding driving source, a driving shaft, a feeding wheel and a steering assembly, wherein: The feeding driving source is positioned in the shell; The driving shaft is connected with the feeding driving source through a transverse axis, so that the driving shaft can be driven by the feeding driving source to transversely rotate; The feeding shaft is movably assembled to the shell by a longitudinal axis intersecting with the transverse axis, so that the feeding shaft can longitudinally rotate relative to the shell; A feeding wheel connected to the feeding shaft and located at one side of the presser wheel, and The steering assembly is used for converting transverse rotation into longitudinal rotation and is connected between the driving shaft and the feeding shaft, so that the driving shaft which transversely rotates can drive the feeding shaft and the feeding wheel to synchronously rotate longitudinally through the steering assembly.
2. 2. The feed shoe upper machine according to claim 1, wherein the housing has a surrounding wall to form a mounting space inside the housing, and a lateral partition wall spaced from a bottom of the housing and a longitudinal partition wall extending from the lateral partition wall toward the bottom of the housing are provided inside the mounting space, such that the mounting space is divided into a first mounting area for accommodating the feed drive source and a second mounting area for accommodating the needle bar by the lateral partition wall and the longitudinal partition wall.
3. 3. The feed lasting machine according to claim 2, further comprising a support frame having a carrying portion connected to the longitudinal partition and the surrounding annular wall and a penetrating portion penetrating into the first installation area, wherein the carrying portion is adjacent to the feed driving source to reduce a height space required by the feed driving source device in the first installation area, and the penetrating portion is penetrated by the driving shaft.
4. 4. The feed lasting machine according to claim 1, wherein the drive shafts are arranged below the needle bars at intervals and are arranged in parallel to the needle bars such that the feed shafts are arranged vertically to the needle bars.
5. 5. The feed lasting machine according to claim 1, further comprising a presser wheel lifting mechanism capable of driving the presser wheel to selectively approach or separate from the feed wheel, wherein the presser wheel lifting mechanism comprises a lifting driving source located inside the casing, a lifting shaft capable of being driven by the lifting driving source to perform rotary motion, and a lifting transmission assembly capable of changing the rotary motion into linear motion, and the lifting transmission assembly is disposed between the lifting shaft and a foot stand connecting rod connected to the foot stand, so that the lifting transmission assembly can drive the presser wheel mechanism to perform linear motion through the lifting shaft performing rotation.
6. 6. The feed shoe upper pulling machine according to claim 5, wherein the lifting transmission assembly comprises a gear connected to the lifting shaft, a sector gear pivoted to the housing, and a presser foot base connected to the foot stand connecting rod, the gear is meshed with the sector gear, so that the gear can drive the sector gear to swing through the lifting shaft which rotates, and the sector gear is movably connected to the presser foot base, so that the sector gear can swing to change the relative positional relationship between the sector gear and the presser foot base.
7. 7. The feed shoe upper pulling machine according to claim 6, wherein the sector gear is formed with a movable groove, the presser foot base is provided with a penetrating block penetrating into the movable groove, the contour of the movable groove is larger than that of the penetrating block, and a longitudinal section and a transverse section intersecting with each other are arranged on the longitudinal section, when the sector gear swings, one end of the longitudinal section is close to the penetrating block, and the other end of the longitudinal section is far away from the penetrating block.
8. 8. The feeding and lasting machine according to claim 7, wherein one end of the sector gear is provided with a pivoting portion pivotally connected to the housing, the other end is provided with a tooth portion capable of being meshed with the gear, the movable groove is formed between the pivoting portion and the tooth portion, a force resisting arm is formed between the pivoting portion and the movable groove, and a force applying arm with a length greater than that of the force resisting arm is formed between the pivoting portion and the tooth portion.
9. 9. The feed shoe upper pulling machine according to claim 6, wherein the lifting transmission assembly is further provided with a guide assembly between the housing and the presser foot base, and the guide assembly is used for preventing the foot stool connecting rod from swinging in the process of performing linear movement.
10. 10. The feed shoe upper pulling machine according to claim 9, wherein the guide assembly has a guide seat connected to the inside of the casing and a guide block connected to the presser foot base, the guide seat is recessed to form a guide rail, two rail wall surfaces spaced apart from each other are formed in the inside of the guide rail, and opposite sides of the guide block are respectively provided with a block surface and penetrate into the inside of the guide rail, so that each block surface can be in one-to-one surface contact with one of the rail wall surfaces.

Description

Feeding and upper pulling machine Technical Field The utility model relates to a sewing machine for sewing a (middle) sole, an upper or leather, in particular to a machine for drawing a shoe upper, wherein the needle bar mechanism, the presser foot mechanism and the feeding mechanism can independently operate, so that the machine for drawing the shoe upper can effectively simplify the number of components in a machine shell. Background The existing upper pulling machine is provided with a belt pulley to drive a main shaft to run, so that the main shaft drives a needle bar shaft and a needle hooking shaft to carry out sewing operation, and the main shaft drives a feeding wheel to intermittently rotate, so that the feeding wheel can simultaneously carry out feeding operation in the sewing operation process of the needle bar shaft and the needle hooking shaft, the pressing wheel is pivotally connected below a pressing foot frame, and the pressing foot wheel is positioned at the periphery side of the feeding wheel. Although the existing upper pulling machine is generally applied to the shoe industry, in order to ensure that the feeding wheel can synchronously and intermittently rotate in the process of sewing the needle bar shaft and the needle hooking shaft, the existing upper pulling machine is generally provided with a complex transmission mechanism between the main shaft and the feeding wheel to enable the feeding wheel to intermittently rotate, and the complex transmission mechanism enables the feeding wheel to intermittently rotate through the main shaft which rotates, but the number of components inside the existing upper pulling machine is high, so that the feeding amount of the upper pulling machine is not easy to adjust, the integral structure of the existing upper pulling machine is complex, parts of the existing upper pulling machine are easy to wear, and the maintenance difficulty of the existing upper pulling machine is also increased. Disclosure of utility model The main purpose of the utility model is to provide a feeding and upper pulling machine with an improved internal structure, so that the improved feeding and upper pulling machine not only enables a needle bar mechanism, a presser foot mechanism and a feeding mechanism to operate independently, but also can effectively reduce the number of components in the feeding and upper pulling machine, thereby improving the space configuration of the needle bar mechanism and the feeding mechanism in a machine shell. The utility model aims to provide a feeding and lasting machine, which is characterized in that a presser wheel lifting mechanism capable of driving a presser wheel mechanism to move is improved, the improved presser wheel lifting mechanism can effectively lift the power output of a lifting driving source under the condition of maintaining the existing volume of the lifting driving source, and the improved presser wheel lifting mechanism can drive the presser wheel mechanism to move by using a lifting driving source with smaller volume, so that the whole volume of the feeding and lasting machine is relatively reduced, and the aim of miniaturizing equipment is fulfilled. The utility model further aims to provide a feeding and lasting machine, when the sector gear of the lifting transmission assembly swings through the lifting driving source to drive the presser foot mechanism to move, the presser foot mechanism can be prevented from swinging caused by the driving of the sector gear which swings reciprocally in the process of moving linearly, and therefore the stability of the presser foot mechanism in moving linearly is improved. In order to achieve the above-mentioned object, the present utility model provides a feeding and upper pulling machine, comprising a housing, a needle bar mechanism, a presser foot mechanism and a feeding mechanism; The machine shell is provided with a main shaft capable of rotating, the needle bar mechanism is provided with a needle bar connected with the main shaft and a needle connected with the needle bar, the needle bar can drive the needle to reciprocate through the main shaft capable of rotating, the presser foot mechanism is provided with a presser foot frame arranged outside the machine shell, and the presser foot frame is provided with a presser foot wheel positioned outside the machine shell and a presser foot driving source capable of driving the presser foot wheel to rotate; The feeding mechanism is connected to the machine shell and comprises a feeding driving source, a driving shaft, a feeding wheel and a steering assembly, wherein the feeding driving source is positioned in the machine shell, the driving shaft is connected to the feeding driving source through a transverse axis, so that the driving shaft can be driven by the feeding driving source to transversely rotate, in addition, the feeding shaft is movably assembled to the machine shell through a longitudinal axis intersecting with the trans