CN213113804U

CN213113804U - Drive assembly in presser foot lifting mechanism of buttonholing machine

Info

Publication number: CN213113804U
Application number: CN201922452953.2U
Authority: CN
Inventors: 阮孟国
Original assignee: Meisuo Sewing Machine Co ltd
Current assignee: Meisuo Sewing Machine Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2021-05-04
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a drive assembly in presser foot mechanism is lifted to button holing machine relates to button holing machine technical field, and its technical scheme main points are: the device comprises a rotary driving source, a starting plate and a transmission device, wherein the output end of the rotary driving source is connected with a cam; the starting plate is hinged on the supporting seat and is provided with a connecting part for connecting the presser foot lifting assembly of the buttonholing machine; the transmission device is arranged between the cam and the starting plate, and the cam can drive the starting plate to swing around a hinge point through the transmission device. Compared with the prior art, the utility model discloses a structure is simpler, compact, lifts presser foot speed more and accelerates, and work efficiency is higher, and the energy loss still less.

Description

Drive assembly in presser foot lifting mechanism of buttonholing machine

Technical Field

The utility model relates to a buttonhole maker technical field, in particular to buttonhole maker lifts drive assembly in presser foot mechanism.

Background

The buttonhole machine is mainly used for processing buttonholes in various clothes, is divided into a flat buttonhole machine and a round buttonhole machine, and is divided into a closed type and a non-closed type, and is a special device which is very important in clothing machinery.

Currently, in the technical field of buttonholing machines, a routing assembly and a presser foot lifting assembly can be driven by a single driving mechanism.

Chinese patent No. CN203960525U discloses a driving mechanism for wire bonding and presser foot lifting and trimming, which includes a first starting plate in transmission connection with a driving rotary driving source; the wire bonding assembly comprises a first transmission piece and a second reset spring, wherein the first transmission piece drives the wire bonding assembly to move, the second reset spring is used for resetting the first transmission piece, the first transmission piece is connected with a wire releasing connecting rod in the wire bonding assembly, one end of the first transmission piece is connected with the first starting plate in a positioning mode, and the other end of the first transmission piece is hinged and fixed; the second transmission piece is connected with a main transmission rod in the presser foot lifting and trimming component, the second transmission piece is provided with a long hole extending in the vertical direction, and a shaft bolt fixedly connected with the first starting plate penetrates through the long hole.

The technical scheme has the following defects: above-mentioned patent passes through the drive rotary driving source and drives the driving gear, and the driving gear drives driven gear again and rotates, and then drives first start-up board rotatory, finally realizes automatic routing, lifts presser foot trimming, but uses the driving gear to drive driven gear and realizes pivoted technical scheme, and the speed of lifting presser foot trimming is slow, needs the size to match the gear ratio simultaneously, and the gear easily wears out.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a drive assembly in presser foot mechanism is lifted to buttonholing machine, it has the fast advantage of the speed of lifting the presser foot.

The above technical purpose of the present invention can be achieved by the following technical solutions: a rotary drive source, the output end of which is connected with a cam; the starting plate is hinged on the supporting seat and is provided with a connecting part for connecting the presser foot lifting assembly of the buttonholing machine; the transmission device is arranged between the cam and the starting plate, and the cam can drive the starting plate to swing around a hinge point through the transmission device.

Through above-mentioned technical scheme, the rotary driving source drives the cam rotatory, orders about transmission through the cam and drives the start-up board around the pin joint swing, starts the board swing and realizes lifting the automatic lifting of presser foot or the function that descends automatically, and degree of automation is higher, utilizes cam drive simultaneously, and the structure is simpler, compact, and it is fast to lift the speed of presser foot, has improved work efficiency.

Preferably, the transmission device comprises a mounting seat, a sliding rail and a sliding part, the sliding rail is arranged on the mounting seat, the sliding part is arranged on the sliding rail in a sliding manner, the sliding part is further provided with a transmission part, one end of the transmission part is matched with the cam, and the other end of the transmission part is connected with the starting plate.

Through above-mentioned technical scheme, the driving medium realizes under the cam is under the effect that the driving medium carries out the linear motion of high accuracy along the slide rail direction under the cooperation of slider and slide rail, starts the board and can be more stable around the swing of pin joint, and speed is more accelerated, and then has improved the speed of lifting the presser foot.

Preferably, the sliding part comprises a sliding block, and the sliding block is connected with the sliding rail in a sliding manner.

Through above-mentioned technical scheme, the linear motion of high accuracy can be realized along the direction of slide rail to the driving medium following slider.

Preferably, the transmission part comprises a transmission plate and a pin shaft, one end of the pin shaft is fixedly connected with the transmission plate, the other end of the pin shaft is rotatably provided with a barrel, and the barrel is matched with the cam in a rolling manner.

Through the technical scheme, the cam drives the transmission plate to move through the matching of the barrel and the pin shaft.

Preferably, a first strip-shaped hole is formed in the end face, facing the starting plate, of the supporting seat in the vertical direction, and the transmission plate penetrates through the first strip-shaped hole.

Through above-mentioned technical scheme, the driving plate passes bar hole one, and round trip movement in bar hole one can play the guide effect to the driving plate, and the motion of driving plate is more steady.

Preferably, the end face of the starting plate is provided with a connecting hole, and one end of the transmission piece penetrates through the connecting hole.

Through above-mentioned technical scheme, the driving medium can drive and start the board motion in the connecting hole motion, and the connecting hole plays the effect of connecting and direction to the driving medium.

Preferably, the starting plate is fixedly connected with a first transmission block, the lower end of the first transmission block is fixedly connected with a second transmission block, a second strip-shaped hole is formed in the end face of the second transmission block, a transmission shaft penetrates through the second strip-shaped hole, the other end of the transmission shaft is connected with a press bar lifting rod, and the press bar lifting rod is connected with a press foot lifting unit.

Through above-mentioned technical scheme, start-up board and drive first transmission block and the motion of second transmission block along the pin joint swing, the second transmission block passes through the transmission shaft and drives the motion of pressing the excellent lifting lever, and the pressure foot unit motion is lifted in the drive of pressing the excellent lifting lever, realizes lifting and the decline of presser foot.

Preferably, the side wall of the cam is provided with a contour groove, the groove wall of the contour groove is provided with a stopping part, when the transmission part moves to the stopping part, the pressure lifting pin is in a lifting state, and the stopping part is in a horizontal shape or an arc shape.

Through above-mentioned technical scheme, when the driving medium moved to the stopping portion, lifted the presser foot and maintain at the lifting state, the stopping portion was in the level form, rotary drive source can through a small amount of power supplies alright maintain and lift presser foot lifting state, lift the presser foot and can stably be in the lifting state, and the energy consume is low.

To sum up, the utility model discloses the beneficial effect who contrasts in prior art does:

1. the device has high efficiency and simple structure, the starting plate is driven to swing around the hinge point by adopting a cam mode, the structure is simpler and more compact, and the presser foot lifting and trimming speed is high;

2. stably, the utility model discloses a mode of guide rail makes the driving medium along slide rail direction high accuracy motion, and the swing of starting plate can be more stable.

3. The rotary pressure foot lifting mechanism has the advantages that energy is saved, the service life is long, the rotary driving source provides a small amount of driving source, the pressure foot lifting mechanism can be stably in a lifting state, energy loss is low, the rotary driving source is not prone to overheating, and the service life of the rotary driving source is indirectly prolonged.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is an exploded view of the embodiment;

FIG. 3 is a schematic view of a horizontal stopper of the cam according to the embodiment.

Reference numerals: 1. a rotary drive source; 2. a cam; 3. a start plate; 4. a supporting seat; 5. a connecting portion; 6. a transmission device; 7. a mounting seat; 8. a slide rail; 9. a slider; 10. a transmission member; 11. a slider; 12. a drive plate; 13. a pin shaft; 14. a barrel; 15. a first strip-shaped hole; 16. connecting holes; 17. a first transmission block; 18. a second transmission block; 19. a strip-shaped hole II; 20. a drive shaft; 21. a rod pressing and lifting rod; 22. a contour groove; 23. a stop part.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A drive assembly in a presser foot lifting mechanism of a buttonholing machine is shown in figures 1 to 2 and comprises a rotary drive source 1, wherein a cam 2 is fixedly connected to the output end of the rotary drive source 1, preferably, the rotary drive source 1 is a lifting motor and can also be a rotary cylinder, as long as the rotary drive source 1 can drive the cam 2 to rotate.

Start board 3, this start board 3 articulates on supporting seat 4, and be provided with the connecting portion 5 that the presser foot subassembly that lifts that is used for the buttonholing machine is connected, transmission 6, this transmission 6 sets up between cam 2 and start board 3, cam 2 can drive start board 3 through this transmission 6 and swing around the pin joint, it needs to explain that supporting seat 4 can be the base or the housing of rotary drive source 1, as long as can realize starting board 3 and normally articulate, and articulated back and wobbling orbit not influenced can.

The transmission device 6 comprises a mounting seat 7, a sliding rail 8 and a sliding part 9, the sliding rail 8 is arranged on the mounting seat 7, the sliding part 9 is arranged on the sliding rail 8 in a sliding mode, a transmission part 10 is further arranged on the sliding part 9, one end of the transmission part 10 is matched with the cam 2, the other end of the transmission part 10 is connected with the starting plate 3, the sliding part 9 comprises a sliding block 11, and the sliding block 11 is connected with the sliding rail 8 in a sliding mode.

The transmission part 10 comprises a transmission plate 12 and a pin shaft 13, one end of the pin shaft 13 is fixedly connected with the transmission plate 12, the other end of the pin shaft 13 is rotatably provided with a cylinder 14, and the cylinder 14 is matched with the cam 2 in a rolling manner.

The side wall of the cam 2 is provided with a contour groove 22, the groove wall of the contour groove 22 is provided with a stopping part 23, when the transmission piece 10 moves to the stopping part 23, the pressure lifting pin is in a lifting state, and the stopping part 23 is in a horizontal shape or an arc shape; the stopping part 23 is horizontal, the transmission part 10 moves to the stopping part 23, and at the moment, the motor can maintain the lifting state of the pressure foot through small electric quantity, so that the heating of the motor can be effectively reduced, and the energy loss is reduced.

Supporting seat 4 has seted up bar hole 15 towards the terminal surface of starting plate 3 along vertical direction, and connecting hole 16 has been seted up to the terminal surface of starting plate 3, and driving plate 12 passes bar hole 15 back, passes connecting hole 16 again, realizes that starting plate 3 is connected with driving plate 12.

The first transmission block 17 of fixedly connected with on the starting plate 3, the second transmission block 18 of 17 lower extremes fixedly connected with of first transmission block, bar hole two 19 have been seted up to the 18 terminal surfaces of second transmission block, wear to be equipped with transmission shaft 20 in the bar hole two 19, and the 20 other ends of transmission shaft are connected with pressure bar lifting rod 21, and pressure bar lifting rod 21 with lift the presser foot unit and be connected.

Need explain the utility model discloses and in the description drawings, as preferred, the output direction of rotary drive source 1 is along vertical direction setting, and rotary drive source 1's output direction also can change, and cam 2 and transmission 6, starting plate 3 make corresponding change thereupon can, can realize rotary drive source 1 and order about cam 2 to drive lift presser foot lifting or descend can.

In the drawings of the present invention and the specification, the cam 2 is preferably a cylindrical cam 2, and the type of the cam 2 can be changed as long as the driving member 10 is driven by the cam 2 to finally realize that the starting plate 3 swings along the hinge point.

A drive assembly's mode of operation in buttonholing machine lifts presser foot mechanism:

above-mentioned rotary drive source 1 begins to rotate, and the drive is fixed in the cam 2 rotation on the 1 output of rotary drive source, and cam 2 orders about driving medium 10 and moves along 8 directions of slide rail, and driving medium 10 moves and drives and start board 3 and swing around the pin joint, starts board 3 and drives and lift presser foot subassembly motion, realizes ordering about the function of lifting the presser foot or descending.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Claims

1. A drive assembly in a presser foot lifting mechanism of a buttonholing machine is characterized in that: comprises that

A rotary drive source (1), wherein a cam (2) is connected to the output end of the rotary drive source (1);

the starting plate (3) is hinged to the supporting seat (4) and is provided with a connecting part (5) for connecting a presser foot lifting assembly of the buttonholing machine;

the transmission device (6) is arranged between the cam (2) and the starting plate (3), and the cam (2) can drive the starting plate (3) to swing around a hinge point through the transmission device (6).

2. The drive assembly of claim 1 in a buttonholing machine presser foot lifting mechanism, wherein: the transmission device (6) comprises a mounting seat (7), a sliding rail (8) and a sliding part (9), the sliding rail (8) is arranged on the mounting seat (7), the sliding part (9) is arranged on the sliding rail (8) in a sliding mode, a transmission part (10) is further arranged on the sliding part (9), one end of the transmission part (10) is matched with the cam (2), and the other end of the transmission part (10) is connected with the starting plate (3).

3. The drive assembly of claim 2 in a buttonholing machine presser foot lifting mechanism, wherein: the sliding piece (9) comprises a sliding block (11), and the sliding block (11) is connected with the sliding rail (8) in a sliding mode.

4. The drive assembly of claim 2 in a buttonholing machine presser foot lifting mechanism, wherein: the transmission part (10) comprises a transmission plate (12) and a pin shaft (13), one end of the pin shaft (13) is fixedly connected with the transmission plate (12), the other end of the pin shaft (13) is rotatably provided with a barrel (14), and the barrel (14) is matched with the cam (2) in a rolling manner.

5. The drive assembly of claim 4 in a buttonholing machine presser foot lifting mechanism, wherein: a first strip-shaped hole (15) is formed in the end face, facing the starting plate (3), of the supporting seat (4) in the vertical direction, and the transmission plate (12) penetrates through the first strip-shaped hole (15).

6. The drive assembly of claim 2 in a buttonholing machine presser foot lifting mechanism, wherein: the end face of the starting plate (3) is provided with a connecting hole (16), and one end of the transmission piece (10) penetrates through the connecting hole (16).

7. The drive assembly of claim 1 in a buttonholing machine presser foot lifting mechanism, wherein: the starting plate is characterized in that a first transmission block (17) is fixedly connected to the starting plate (3), a second transmission block (18) is fixedly connected to the lower end of the first transmission block (17), a second strip-shaped hole (19) is formed in the end face of the second transmission block (18), a transmission shaft (20) is arranged in the second strip-shaped hole (19) in a penetrating mode, the other end of the transmission shaft (20) is connected with a pressing rod lifting rod (21), and the pressing rod lifting rod (21) is connected with a pressing foot lifting unit.

8. The drive assembly of claim 2 in a buttonholing machine presser foot lifting mechanism, wherein: the side wall of the cam (2) is provided with a contour groove (22), the groove wall of the contour groove (22) is provided with a stopping part (23), when the transmission piece (10) moves to the stopping part (23), the lifting and pressing foot is in a lifting state, and the stopping part (23) is in a horizontal shape or an arc shape.