CN212505317U

CN212505317U - Presser foot mechanism of bar tacking machine

Info

Publication number: CN212505317U
Application number: CN202020363082.7U
Authority: CN
Inventors: 毛东鸣
Original assignee: Shanghai Dongqin Garment Co ltd
Current assignee: Shanghai Dongqin Garment Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2021-02-09
Anticipated expiration: 2030-03-20

Abstract

The utility model provides a bartack sewing machine presser foot mechanism belongs to weaving equipment technical field. The utility model discloses an one-level adjustment mechanism, second grade adjustment mechanism and presser foot, one-level adjustment mechanism include fixed baseplate, fixed baseplate side surface slip is provided with movable base, second grade adjustment mechanism is provided with two sets ofly, and two sets of second grade adjustment mechanism symmetries set up at movable baseplate side surface, and second grade adjustment mechanism includes the casing, the inside slider that is provided with of casing, and the slider passes through lead screw swing joint inside the casing, and first adjust knob is connected to lead screw one end, and the one-level gear is connected to the other end, is provided with switching mechanism between two sets of second grade adjustment mechanism, and the presser foot passes through connecting rod link block, the utility model discloses satisfied various requirements to the presser foot position in the work, effectively enlarged the application scope of bar, and improved presser.

Description

Presser foot mechanism of bar tacking machine

Technical Field

The utility model relates to a bar tacking machine presser foot mechanism belongs to weaving equipment technical field.

Background

Bartack, english is Bartack and is generally used for stitch reinforcement.

The sewing machine is generally suitable for manufacturers of clothes, knitting, sweaters, western-style clothes, jeans and the like, the knotting machine plays roles in sewing reinforcing joints at stressed parts of the clothes, reinforcing the tail of a round-head button hole seam and sewing and locking an umbrella top circle, after the buttons are bound in the production process, sewing threads are needed to be manually wound around the neck of the buttons for several times so as to reinforce the firmness of the buttons, the knotting machine can automatically operate the process, the working time is shortened, the production efficiency is improved, the production intensity of workers is reduced, manpower is saved, along with technical innovation, the electronic knotting machine is produced by transportation, a new low-tension sewing technology and a thread cutting mechanism are added, the guarantee of stable quality is widely accepted by the manufacturers, and the following brands and models of the knotting machine which are used more on the production line are as follows:

the top rotating speed of the heavy machine LK-1900ASS series electronic bar tacking machine is 3000rpm, and the heavy machine can be quickly started or stopped; the sewing range of 30mm in length and 40mm in width can correspond to various hitch shapes; flexible tension is adopted, the tension of the upper thread can be set by operating the control panel to correspond to various sewing conditions, and the data can be stored and reused; solves the problem of oil stain of sewn products.

The highest sewing speed of the brother KE-430D electronic bar tacking machine can reach 3200 rpm; high-quality sewing can be performed completely according to sewing data; the sewing machine is used for sewing common cloth, jean, knitted clothes and women's underwear; 89 sewing patterns (standard) have been set, the maximum number of needles is 210000 needles, the maximum sewing speed is 3200RPM, thread cutting and thread sweeping, and the thread clamping device is a standard device.

The heavy machine LK-1850 knotter can obtain high-quality and stable stitches without inquiring the type and model of threads by a thread loosening fault device and a real thread cutting device which can prevent thread loosening during the starting and finishing of sewing; the abundant auxiliary purchasing pieces can be applied to various working procedures, fabrics and sewing shapes.

Common bartack sewing machine presser foot mechanism is including the left presser foot and the right presser foot that mutually support and symmetry set up, and left and right presser foot slides and sets up on the mounting panel of pay-off frame, and the mounting panel rotates and is connected with an adjusting screw who is threaded connection simultaneously with left presser foot, right presser foot, and the screw on adjusting screw both sides sets up in reverse, through rotating adjusting screw, can make left presser foot, right presser foot be close to or keep away from to adjust the compress position of two presser feet.

However, in the above structure, the left presser foot and the right presser foot are synchronously adjusted, and one of the left presser foot and the right presser foot cannot be independently adjusted, so that various requirements for the positions of the presser feet in the processing cannot be more comprehensively met.

SUMMERY OF THE UTILITY MODEL

In view of the above prior art's shortcoming, an object of the utility model is to provide a bar tacking machine presser foot mechanism, a left presser foot and right presser foot that is arranged for common bar tacking machine presser foot mechanism is including mutually supporting and symmetry among the solution prior art, a left side, the right presser foot slides and sets up on the mounting panel of pay-off frame, the mounting panel rotates and is connected with one and left presser foot, right presser foot is threaded connection's adjusting screw simultaneously, and the screw thread on adjusting screw both sides sets up in reverse, through rotating adjusting screw, can make left presser foot, right presser foot is close to or keeps away from, thereby adjust the compress position of two pressers, but in the above-mentioned structure, left presser foot, right presser foot synchro-adjusting, can't adjust one of them alone, the problem to the various demands of presser foot position in the unable comprehensive satisfying processing.

In order to achieve the above and other related objects, the present invention provides a presser foot mechanism of a bar tacking machine, comprising: the first-stage adjusting mechanism comprises a fixed base, a movable base is arranged on one side surface of the fixed base in a sliding mode, the movable base freely slides left and right along the surface of the fixed base, the second-stage adjusting mechanism is provided with two groups, the two groups of second-stage adjusting mechanisms are symmetrically arranged on one side surface of the movable base, each second-stage adjusting mechanism comprises a shell, a sliding block is arranged inside the shell, the sliding block is movably connected inside the shell through a lead screw, one end of the lead screw is connected with a first adjusting knob, the other end of the lead screw is connected with a first-stage gear, a switching mechanism is arranged between the two groups of second-stage adjusting mechanisms, and the.

By adopting the technical scheme: when the position of the presser foot of the bar tacking machine is adjusted, the primary adjusting mechanism is adjusted firstly, the movable base moves along the surface of the fixed base, the presser foot is adjusted to be roughly positioned, then the secondary adjusting mechanism is adjusted, the switching mechanism is switched to an independent adjusting mode, the first adjusting knob on one side of the secondary adjusting mechanism is rotated, the first adjusting knob drives the screw rod to rotate, the sliding blocks move left and right in the shell along the screw rod under the action of the screw rod, the position of a single presser foot is adjusted, the switching mechanism is switched to a simultaneous adjusting mode, the first adjusting knob of the secondary adjusting mechanism on any side is rotated, the screw rods in the two secondary adjusting mechanisms rotate together, the two sliding blocks move oppositely or oppositely in the shell simultaneously, and the two presser feet are adjusted simultaneously.

In an embodiment of the utility model, movable base be connected through two slide rails with fixed baseplate, be provided with first rack between two slide rails, the inside first adjusting gear that is provided with of fixed baseplate, first adjusting gear cooperatees with first rack and is connected, fixed baseplate up end is provided with second adjust knob, second adjust knob is connected with first adjusting gear.

By adopting the technical scheme: when the position of the movable base is adjusted by using the one-level adjusting mechanism, the second adjusting knob on the upper end surface of the fixed base is rotated, the second adjusting knob drives the first adjusting gear inside the fixed base to rotate, and the first adjusting gear is matched and connected with the first rack, so that the first rack moves left and right under the action of the first adjusting gear, the movable base is driven to move left and right freely along the surface of the fixed base, and the two slide rails perform a guiding effect and simultaneously are connected to the surface of the fixed base in a sliding manner.

In an embodiment of the present invention, the switching mechanism is provided with a vertical sliding seat inside, one side of the vertical sliding seat is connected to the shift lever, and the second gear is connected to the top of the shift lever.

By adopting the technical scheme: when using switching mechanism to carry out the switching of mode, press the driving lever downwards, the driving lever drives vertical sliding seat downstream, secondary gear on the driving lever contacts with the primary gear, secondary gear cooperatees with the primary gear, thereby through the inside screw connection of secondary gear with two sets of second grade adjustment mechanism, when adjusting the lead screw of one side, the lead screw of opposite side also follows the rotation, thereby realize adjusting two sets of second grade adjustment mechanism simultaneously, this is the mode of regulation simultaneously, when upwards stirring the driving lever, secondary gear and primary gear separation, the inside lead screw of two sets of second grade adjustment mechanism is not connected the independent operation, this is the mode of regulation alone.

In an embodiment of the utility model, the presser foot pass through connecting rod link block, the connecting rod includes dead lever and telescopic link, the presser foot is connected with the telescopic link, the telescopic link cover is established inside the dead lever, the inside fixed second adjusting gear that is provided with of dead lever, the inside side surface of telescopic link is provided with the second rack, the second adjusting gear cooperatees with the second rack and is connected.

By adopting the technical scheme: when the height of a single presser foot is adjusted, the second adjusting gear in the fixed rod is rotated, and the second adjusting gear is matched with the second rack in the telescopic rod, so that the second rack is driven to move up and down, the telescopic rod is driven to move up and down in the fixed rod, and the height of the presser foot is adjusted.

In an embodiment of the present invention, the outer surface of the fixing rod is provided with a third adjusting knob, and the third adjusting knob is connected to the second adjusting gear.

By adopting the technical scheme: through setting up third adjust knob, be convenient for carry out rotation regulation to second adjusting gear.

As mentioned above, the utility model discloses a bartack sewing machine presser foot mechanism has following beneficial effect:

the utility model discloses in set up one-level adjustment mechanism and second grade adjustment mechanism, can realize the coarse adjustment and the accurate regulation to the presser foot position, set up switching mechanism between the second grade adjustment mechanism simultaneously, switching mechanism can switch second grade adjustment mechanism's regulation mode, can realize adjusting alone and the while to two presser feet, has satisfied in the work to the various requirements of presser foot position, has effectively enlarged the application scope of bar tacking machine, and has improved the accuracy of presser foot position control.

Drawings

Fig. 1 is a front view schematically showing a presser foot mechanism of a bar tacking machine according to an embodiment of the present invention.

Fig. 2 is a schematic front view of the inner structure of a presser foot mechanism of a bar tacking machine according to an embodiment of the present invention.

Fig. 3 is a schematic view of the internal structure of a primary adjustment mechanism of a presser foot mechanism of a bar tacking machine according to an embodiment of the present invention.

Fig. 4 is a schematic view showing an internal structure of a switching mechanism of a presser foot mechanism of a bar tacking machine according to an embodiment of the present invention.

Fig. 5 is a schematic diagram of the inner structure of a presser foot mechanism of a bar tacking machine according to an embodiment of the present invention.

Fig. 6 is a schematic diagram of a right-view inner structure of a connecting rod of a presser foot mechanism of a bar tacking machine according to an embodiment of the present invention.

Wherein, 1, a shell; 2. a fixed base; 3. a movable base; 4. a switching mechanism; 5. a first adjustment knob; 6. a third adjusting knob; 7. fixing the rod; 8. a telescopic rod; 9. a presser foot; 10. a slider; 11. a lead screw; 12. a primary gear; 13. a secondary gear; 14. a deflector rod; 15. a second adjustment knob; 16. a first adjusting gear; 17. a first rack; 18. a slide rail; 19. a vertical sliding seat; 20. a second rack; 21. a second adjusting gear.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1 to 6. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

Referring to fig. 1, the present invention provides a presser foot mechanism of a bar tacking machine, comprising: the adjustable pressure regulating mechanism comprises a primary regulating mechanism, a secondary regulating mechanism and a pressure foot 9, wherein the primary regulating mechanism comprises a fixed base 2, a movable base 3 is arranged on one side surface of the fixed base 2 in a sliding mode, the movable base 3 freely slides left and right along the surface of the fixed base 2, the secondary regulating mechanism is provided with two groups, the two groups of secondary regulating mechanisms are symmetrically arranged on one side surface of the movable base 3, the secondary regulating mechanism comprises a shell 1, a sliding block 10 is arranged inside the shell 1, the sliding block 10 is movably connected inside the shell 1 through a lead screw 11, one end of the lead screw 11 is connected with a first regulating knob 5, the other end of the lead screw is connected with a primary gear 12, a switching mechanism 4 is arranged between the two.

The movable base 3 is connected with the fixed base 2 through two sliding rails 18, a first rack 17 is arranged between the two sliding rails 18, a first adjusting gear 16 is arranged inside the fixed base 2, the first adjusting gear 16 is connected with the first rack 17 in a matched mode, a second adjusting knob 15 is arranged on the upper end face of the fixed base 2, and the second adjusting knob 15 is connected with the first adjusting gear 16.

A vertical sliding seat 19 is arranged in the switching mechanism 4, one side of the vertical sliding seat is connected with a shifting rod 14, and a secondary gear 13 is connected above the shifting rod 14.

The presser foot 9 is connected with the sliding block 10 through a connecting rod, the connecting rod comprises a fixing rod 7 and a telescopic rod 8, the presser foot 9 is connected with the telescopic rod 8, the telescopic rod 8 is sleeved inside the fixing rod 7, a second adjusting gear 21 is fixedly arranged inside the fixing rod 7, a second rack 20 is arranged on the surface of one side inside the telescopic rod 8, and the second adjusting gear 21 is connected with the second rack 20 in a matched mode.

The outer side surface of the fixed rod 7 is provided with a third adjusting knob 6, and the third adjusting knob 6 is connected with a second adjusting gear 21.

To sum up, the utility model discloses in set up one-level adjustment mechanism and second grade adjustment mechanism, can realize having set up switching mechanism between the two-stage adjustment mechanism simultaneously to the rough regulation and the accurate regulation of presser foot position, switching mechanism can switch over second grade adjustment mechanism's regulation mode, can realize the independent control and the simultaneous control to two presser feet, has satisfied various requirements to the presser foot position in the work, has effectively enlarged the application scope of bar tacking machine, and has improved the accuracy of presser foot position control. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A bar tacking machine presser foot mechanism, characterized in that it comprises: the first-stage adjusting mechanism comprises a fixed base (2), a movable base (3) is arranged on the surface of one side of the fixed base (2) in a sliding mode, the movable base (3) freely slides left and right along the surface of the fixed base (2), the two-stage adjusting mechanism is provided with two groups, the two groups of two-stage adjusting mechanisms are symmetrically arranged on one side surface of the movable base (3), each two-stage adjusting mechanism comprises a shell (1), a sliding block (10) is arranged inside the shell (1), the sliding block (10) is movably connected inside the shell (1) through a lead screw (11), one end of the lead screw (11) is connected with a first adjusting knob (5), the other end of the lead screw is connected with a first-stage gear (12), a switching mechanism (4) is arranged between the two groups of two-stage adjusting mechanisms, and the presser foot (9) is connected with the sliding block.

2. A looper presser foot mechanism according to claim 1, wherein: the movable base (3) is connected with the fixed base (2) through two sliding rails (18), a first rack (17) is arranged between the two sliding rails (18), a first adjusting gear (16) is arranged inside the fixed base (2), the first adjusting gear (16) is connected with the first rack (17) in a matched mode, a second adjusting knob (15) is arranged on the upper end face of the fixed base (2), and the second adjusting knob (15) is connected with the first adjusting gear (16).

3. A looper presser foot mechanism according to claim 1, wherein: a vertical sliding seat (19) is arranged in the switching mechanism (4), one side of the vertical sliding seat is connected with a shifting rod (14), and a secondary gear (13) is connected above the shifting rod (14).

4. A looper presser foot mechanism according to claim 1, wherein: the presser foot (9) is connected with the sliding block (10) through a connecting rod, the connecting rod comprises a fixing rod (7) and an expansion rod (8), the presser foot (9) is connected with the expansion rod (8), the expansion rod (8) is sleeved inside the fixing rod (7), a second adjusting gear (21) is fixedly arranged inside the fixing rod (7), a second rack (20) is arranged on the surface of one side inside the expansion rod (8), and the second adjusting gear (21) is connected with the second rack (20) in a matched mode.

5. A looper presser foot mechanism according to claim 4, wherein: and a third adjusting knob (6) is arranged on the outer side surface of the fixing rod (7), and the third adjusting knob (6) is connected with a second adjusting gear (21).