CN215561056U

CN215561056U - X of buttonhole maker is to feeding mechanism

Info

Publication number: CN215561056U
Application number: CN202121082384.8U
Authority: CN
Inventors: 刘昌玉
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2022-01-18
Anticipated expiration: 2031-05-19

Abstract

The utility model provides an X-direction feeding mechanism of a buttonholing machine, and belongs to the technical field of sewing machines. It has solved the not enough scheduling problem of current X to actuating mechanism motion stability. This X of buttonhole maker is to feeding mechanism, including Y work feed pedestal and X to driving motor, be fixed with on the downside of Y work feed pedestal along the rack of X to setting up, X is fixed in Y work feed pedestal below to driving motor, X is fixed with the gear in to driving motor's the pivot, gear and rack meshing, be fixed with the dust cover on the Y work feed pedestal, the dust cover is including the side shield one and the side shield two that are located Y work feed pedestal both sides respectively, gear and rack are located between side shield one and the side shield two. This X has improved the stability of operation to feeding mechanism, has reduced manufacturing cost.

Description

X of buttonhole maker is to feeding mechanism

Technical Field

The utility model belongs to the technical field of sewing machines, and relates to an X-direction feeding mechanism of a buttonholing machine.

Background

The sewing machine is a machine for sewing materials by sewing threads, and comprises a needle rod mechanism, a thread take-up mechanism, a feeding mechanism, a thread hooking mechanism, a pressing mechanism, a winding device, a lubricating device and the like. The sewing machines can be classified into a flat sewing machine, a chain sewing machine, a overedger, a buttonhole sewing machine, a bag sealing machine and the like according to the structural mode or the sewing process mode. The buttonhole sewing machine is one of sewing machines, a translational cloth feeding table is arranged on a base of the buttonhole sewing machine, sewing materials are placed on the cloth feeding table, and the cloth feeding table can perform feed motion in the X direction and the Y direction relative to the base under the action of a driving mechanism, so that the sewing materials can be translated while being sewn, and a set stitch is formed.

Chinese patent literature document discloses a feeding structure of a round-head buttonholing machine [ application number: CN 201220062618.7; the notice number is: CN202559056U ], comprising a cloth feeding table movably arranged on the machine base, and a cloth feeding guide bracket for guiding is arranged between the cloth feeding table and the machine base. The cloth feeding guide support comprises an X cloth feeding guide shaft in sliding fit with the base, and Y cloth feeding shaft brackets are fixed at two ends of the X cloth feeding guide shaft. The Y-shaped cloth feeding shaft frame is connected with an X-direction driving mechanism, and the Y-shaped cloth feeding shaft frame is driven by the X-direction driving mechanism to perform feeding motion along the axial direction of the X-shaped cloth feeding guide shaft. The X-direction driving mechanism comprises an X pulse motor arranged on an X motor base, and a power output shaft of the X pulse motor is matched with the Y cloth feeding shaft frame through a gear transmission structure. The gear transmission structure comprises an X driving shaft which is rotatably arranged on the X motor base, X transmission gears are respectively fixed at two ends of the X driving shaft, and racks which are meshed with the X transmission gears are fixed on the Y cloth feeding shaft frame. The X pulse motor is fixed on the X side wall of the motor base and is connected with a feeding gear matched with the X transmission gear.

Cloth scraps and thread ends are easily generated in cloth cutting and thread trimming operations during sewing. The X pulse motor drives the Y cloth feeding shaft frame to move along the X direction through the feeding gear, the two X transmission gears and the two racks, wherein the X transmission gears and the feeding gear are both horizontally arranged, and due to the fact that dust prevention protection is not carried out on the X direction driving mechanism, sundries are prone to falling onto teeth of the X transmission gears and teeth of the feeding gear, the more parts are arranged between the X pulse motor and the Y cloth feeding shaft frame, the higher the probability that the sundries float onto the parts to cause movement jamming is, and therefore the stability of the movement of the X direction driving mechanism is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an X-direction feeding mechanism of a buttonholing machine aiming at the problems in the prior art, and solves the technical problem of how to improve the running stability of the X-direction feeding mechanism of the buttonholing machine.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a X of buttonhole maker is to feeding mechanism, includes Y work feed pedestal and X to driving motor, be fixed with on the downside of Y work feed pedestal along X to the rack that sets up, X is fixed in Y work feed pedestal below to driving motor, X is fixed with the gear in to driving motor's the pivot, a serial communication port, gear and rack toothing, be fixed with the dust cover on the Y work feed pedestal, the dust cover is including the side shield one and the side shield two that are located Y work feed pedestal both sides respectively, gear and rack are located between side shield one and the side shield two.

When the X-direction feeding mechanism works, the X-direction driving motor drives the gear to rotate, and the gear drives the rack to move along the X direction, so that the Y cloth feeding shaft frame is driven to move along the X direction. The dust cover is fixed on the Y cloth feeding shaft frame, the gear and the rack are located between the first side baffle and the second side baffle, the gear and the rack are blocked by the Y cloth feeding shaft frame, the first side baffle and the second side baffle, and therefore sundries can be prevented from being adhered to the gear and the rack from the upper side and the two sides of the gear and the rack, clamping stagnation caused by entering of the sundries is avoided between the gear and the rack, and the stability of the X-direction feeding mechanism of the buttonholing machine in operation is improved. Meanwhile, the gear is directly meshed with the rack for transmission, and compared with the prior art, an X transmission gear and an X driving shaft are omitted, so that parts are reduced, the probability that sundries fall on the parts to cause movement to be blocked can be reduced, the stability of the X-direction feeding mechanism of the buttonholing machine in operation can be guaranteed, and the manufacturing cost of the buttonholing machine can be reduced.

In the X-direction feeding mechanism of the buttonholing machine, the lower side part of the first side baffle and the lower side part of the second side baffle protrude out of the lower side surface of the rack. Therefore, the rack can be protected, and the stability of the X-direction feeding mechanism of the buttonholing machine in operation can be guaranteed.

In the X-direction feeding mechanism of the buttonholing machine, the teeth of the rack are vertically arranged, the rotating shaft of the X-direction driving motor is vertically upward, and the gear is sleeved and fixed on the rotating shaft of the X-direction driving motor. The rack and the teeth of the gear are vertically arranged, so that sundries are not easy to fall on the rack and the teeth of the gear, and the stability of the X-direction feeding mechanism in operation is guaranteed.

In the above X-direction feeding mechanism of the buttonholing machine, the lower side surface of the Y-feed shaft holder is provided with a concave groove, and the teeth and the gear of the rack are positioned below the concave groove. The groove has an avoiding effect, the interference between the Y cloth feeding shaft frame and the gear is avoided, the gear drives the rack to stably operate, and the stability of the operation of the X-direction feeding mechanism is favorably ensured.

In the X of foretell buttonhole maker is to feeding mechanism, the downside of Y work feed pedestal has location portion, have convex location strip on the downside of location portion, the rack pastes on the downside and the location strip of location portion. The rack is positioned by the positioning part and the positioning strip, so that the rack is accurately installed and positioned, the meshing transmission between the rack and the gear is smooth, and the stability of the X-direction feeding mechanism in operation is ensured.

In the X-direction feeding mechanism of the buttonholing machine, the dust cover further comprises an upper baffle fixed on the upper side surface of the Y cloth feeding shaft frame, and a transition baffle arranged in a downward inclined mode is arranged between the upper baffle and the first side baffle. The upper baffle plate has a better dustproof effect above the gear and the rack, so that impurities are prevented from falling onto the gear and the rack from the upper side of the gear and the rack, and the stability of the X-direction feeding mechanism in operation is guaranteed. Because the transition baffle plate is arranged in a downward inclined mode, sundries falling on the transition baffle plate can slide off more easily, and the accumulation of the sundries on the upper surface of the dustproof cover is reduced.

In the X-direction feeding mechanism of the buttonholing machine, the first side baffle and the second side baffle are both vertically arranged. Therefore, sundries can be prevented from being retained on the first side baffle and the second side baffle.

In the X-direction feeding mechanism of the buttonholing machine, the dust cover is of an integrally formed structure. Therefore, the dustproof cover is convenient to machine and form, the dustproof effect of the dustproof cover is guaranteed, and the stability of the X-direction feeding mechanism in operation is guaranteed.

Compared with the prior art, the utility model has the following advantages:

the gear and the rack are directly meshed, the dust cover is fixed on the Y cloth feeding shaft frame, and the gear and the rack are located between the first side baffle and the second side baffle, so that the influence of sundries on meshing transmission between the gear and the rack can be reduced, and the running stability of the X-direction feeding mechanism of the buttonholing machine is improved. The positioning part and the positioning strip are arranged, so that the rack is accurately positioned, the groove is formed, interference is prevented, meshing transmission between the gear and the gear is stable, and the stability of the X-direction feeding mechanism in operation is guaranteed. The dust cover comprises a side baffle I, a side baffle II, an upper baffle and a transition baffle which are integrally arranged, and the dust-proof effect of the dust cover is guaranteed.

Drawings

FIG. 1 is a first perspective view of the present X-direction feed mechanism;

FIG. 2 is a second perspective view of the present X-direction feeding mechanism;

FIG. 3 is a Y-direction cross sectional view of the X-direction feed mechanism without the X-direction drive motor;

fig. 4 is an X-direction cross-sectional view of the X-direction feed mechanism without the X-direction drive motor.

In the figure, 1, Y cloth feeding shaft brackets; 1a, a positioning part; 1b, positioning strips; 1c, a groove; 2. an X-direction driving motor; 3. a rack; 4. a gear; 5. a dust cover; 5a, an upper baffle plate; 5a1, avoidance holes; 5a2, mounting holes; 5b, a side baffle I; 5c, a side baffle II; 5d, transition baffle plates.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1-4, an X-direction feeding mechanism of a buttonholing machine comprises a Y-feeding shaft frame 1 and an X-direction driving motor 2, wherein a rack 3 arranged along the X-direction is fixed on the lower side surface of the Y-feeding shaft frame 1, the X-direction driving motor 2 is fixed below the rack 3, a gear 4 is fixed on a rotating shaft of the X-direction driving motor 2, and the gear 4 is directly meshed with the rack 3. The rack 3 is fixed with the Y-shaped cloth feeding shaft frame 1 through a bolt, a countersunk hole is formed in the Y-shaped cloth feeding shaft frame 1, and the bolt penetrates through the countersunk hole and then is in threaded connection with the rack 3. The shell of the X-direction driving motor 2 is fixedly connected with a mounting seat which is fixedly connected to a base of the buttonholing machine. The teeth of the rack 3 are vertically arranged, the X direction is vertical to the rotating shaft of the driving motor 2 and upwards, and the gear 4 is sleeved and fixed on the rotating shaft of the X direction driving motor 2. The lower side surface of the Y-feeding shaft bracket 1 is provided with a convex positioning part 1a, the lower side surface of the positioning part 1a is provided with a convex positioning strip 1b, and the rack 3 is attached to the lower side surface of the positioning part 1a and the positioning strip 1 b. Concave groove 1c is arranged on the lower side surface of the Y-shaped cloth feeding shaft frame 1, the groove 1c is adjacent to the positioning portion 1a, and teeth of the rack 3 and the gear 4 are located below the groove 1 c.

The Y cloth feeding shaft bracket 1 is fixed with a dust cover 5, and the dust cover 5 is of an integrally formed structure. The dust cover 5 comprises an upper baffle 5a fixed on the upper side surface of the Y cloth feeding shaft frame 1, a first side baffle 5b and a second side baffle 5c respectively positioned at two sides of the Y cloth feeding shaft frame 1, and the gear 4 and the rack 3 are positioned between the first side baffle 5b and the second side baffle 5 c. The lower side part of the first side baffle 5b and the lower side part of the second side baffle 5c both protrude out of the lower side surface of the rack 3. The first side baffle 5b and the second side baffle 5c are both vertically arranged, and a transition baffle 5d which is obliquely downwards arranged is arranged between the upper baffle 5a and the first side baffle 5 b. Round angle transition is carried out between the upper baffle 5a and the transition baffle 5d, between the upper baffle 5a and the second side baffle 5c and between the transition baffle 5d and the first side baffle 5 b. The upper side surface of the Y-shaped cloth feeding shaft frame 1 is provided with three convex lugs which are sequentially arranged along the Y direction, and the convex lugs are used for installing the Y-shaped feeding shaft. The upper baffle 5a is provided with avoidance holes 5a1 and mounting holes 5a2, two mounting holes 5a2 are respectively arranged at two sides of the avoidance hole 5a1, and the avoidance holes 5a1 and the two mounting holes 5a2 are arranged along the Y direction. The lug in the middle is inserted into the avoiding hole 5a1, and the screw passes through the mounting hole 5a2 and then is fixedly connected with the Y-shaped cloth feeding shaft frame 1. And avoidance grooves are formed in the first side baffle 5b and the second side baffle 5c and are used for avoiding other parts on the buttonholing machine.

When the X-direction feeding mechanism works, the X-direction driving motor 2 drives the gear 4 to rotate, and the gear 4 drives the rack 3 to move along the X direction, so that the Y cloth feeding shaft frame 1 is driven to move along the X direction. The dust cover 5 is fixed on the Y-shaped cloth feeding shaft frame 1, the gear 4 and the rack 3 are located between the first side baffle 5b and the second side baffle 5c, so that sundries can be prevented from being adhered to the gear 4 and the rack 3 from the upper side and the two sides of the gear 4 and the rack 3, clamping stagnation caused by sundries entering between the gear 4 and the rack 3 is avoided, and the stability of the X-shaped feeding mechanism of the buttonholing machine in operation is improved. Meanwhile, the gear 4 is directly meshed with the rack 3 for transmission, and compared with the prior art, the X transmission gear 4 and an X driving shaft are omitted, so that parts are reduced, the probability that sundries fall on the parts to cause movement jamming can be reduced, the stability of the X-direction feeding mechanism of the buttonholing machine in operation can be guaranteed, and the manufacturing cost of the buttonholing machine can be reduced.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. The utility model provides a X of buttonhole maker is to feeding mechanism, includes Y work feed pedestal (1) and X to driving motor (2), be fixed with on the downside of Y work feed pedestal (1) along X to rack (3) that set up, X is fixed in Y work feed pedestal (1) below to driving motor (2), X is fixed with gear (4) in to the pivot of driving motor (2), a serial communication port, gear (4) and rack (3) meshing, be fixed with dust cover (5) on Y work feed pedestal (1), dust cover (5) are including side shield (5b) and side shield two (5c) that are located Y work feed pedestal (1) both sides respectively, gear (4) and rack (3) are located between side shield (5b) and side shield two (5 c).

2. The X-direction feeding mechanism of the buttonholing machine according to claim 1, wherein the lower side of the first side baffle (5b) and the lower side of the second side baffle (5c) are protruded from the lower side of the rack (3).

3. The X-direction feeding mechanism of the buttonholing machine according to claim 1, characterized in that teeth of the rack (3) are vertically arranged, a rotating shaft of the X-direction driving motor (2) is vertically upward, and the gear (4) is sleeved and fixed on the rotating shaft of the X-direction driving motor (2).

4. X-direction feed mechanism of a buttonholing machine according to claim 3, characterized in that the Y-feed creel (1) has a concave groove (1c) on its underside, the teeth of the rack (3) and the gear (4) being located below the groove (1 c).

5. The X-direction feeding mechanism of the buttonholing machine according to any one of claims 1 to 4, wherein the lower side of the Y-feeding shaft bracket (1) is provided with a positioning part (1a), the lower side of the positioning part (1a) is provided with a convex positioning strip (1b), and the rack (3) is attached to the lower side of the positioning part (1a) and the positioning strip (1 b).

6. The X-direction feeding mechanism of the buttonholing machine according to any one of claims 1 to 4, wherein the dust cover (5) further comprises an upper baffle (5a) fixed on the upper side surface of the Y-feeding shaft bracket (1), and a transition baffle (5d) arranged obliquely downwards is arranged between the upper baffle (5a) and the first side baffle (5 b).

7. The X-direction feeding mechanism of the buttonholing machine according to any one of claims 1 to 4, wherein the first side baffle (5b) and the second side baffle (5c) are both vertically arranged.

8. The X-direction feeding mechanism of the buttonholing machine according to claim 6, wherein the dust cover (5) is of an integrally formed structure.