CN218466084U

CN218466084U - Sewing transfer mechanism capable of enlarging sewing stroke and sewing machine

Info

Publication number: CN218466084U
Application number: CN202221891935.XU
Authority: CN
Inventors: 黄开进
Original assignee: Guangdong Jinyuelai Automation Equipment Co ltd
Current assignee: Guangdong Jinyuelai Automation Equipment Co ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2023-02-10
Anticipated expiration: 2032-07-21

Abstract

The utility model discloses a sewing transfer mechanism for expanding sewing stroke and a sewing machine, wherein the sewing transfer mechanism comprises a pressing frame and a first driving mechanism, a second driving mechanism, a third driving mechanism and a fourth driving mechanism; the first driving mechanism drives the first guide rail seat to translate back and forth, a first slide block is arranged on a first guide rail on the first guide rail seat in a sliding mode left and right and is matched with the first guide rail seat, the first slide block is connected with a back and forth translation seat, and the third driving mechanism is arranged on the back and forth translation seat and drives the pressing frame to lift up and down; the first guide rail is also connected with a second sliding block seat, and the second sliding block seat is provided with a second sliding block extending forwards and backwards so as to be matched with a second guide rail extending forwards and backwards at the bottom of the sewing machine head; and the second driving mechanism drives the left and right translation seats to translate left and right, a third sliding block of the left and right translation seats can be matched with a third guide rail extending left and right in a left and right sliding mode, a fourth guide rail extending front and back is arranged at the top of the left and right translation seats, a fourth sliding block is arranged at the bottom of the front and back translation seats, and the fourth sliding block can be matched with the fourth guide rail in a front and back sliding mode.

Description

Sewing transfer mechanism capable of enlarging sewing stroke and sewing machine

Technical Field

The utility model relates to a sewing machine field technique especially indicates a sewing that enlarges sewing stroke moves and carries mechanism and sewing machine.

Background

The pattern sewing machine in the traditional technology comprises a sewing machine main body, wherein the sewing machine main body comprises a rack, a sewing workbench, a sewing machine head and a sewing transfer mechanism, the sewing workbench, the sewing machine head and the sewing transfer mechanism are arranged on the rack, the sewing transfer mechanism comprises a pressing frame, a first driving mechanism capable of driving the pressing frame to move back and forth, a second driving mechanism capable of driving the pressing frame to translate left and right, and a third driving mechanism capable of driving the pressing frame to lift up and down; usually, the sewing machine head is located above the sewing station table, the sewing machine head is a cantilever extending in the front-back direction, the length of the cantilever is limited, and especially for small heads, the length value of the cantilever is smaller.

The first driving mechanism of the common sewing transfer mechanism is installed in a rear shell of a sewing machine head, the rear end of a pressing frame is connected with the first driving mechanism by adopting a suspension base, in order to meet the stability of the pressing frame during the front and rear displacement actions, the suspension length of the suspension base is not longer, namely, the distance between the position of a left sliding block and the position of a right sliding block of the suspension base and the distance between the position of the right sliding block and the front and rear directions of the pressing frame are not too large, otherwise, the phenomenon of shaking of the pressing frame is easy to occur, the transfer precision and the sewing quality are affected, meanwhile, the sliding range of the left sliding block and the right sliding block is limited in the rear of a workbench (approximately accounts for half to two thirds of a cantilever of the sewing machine head), and therefore, the stroke of the pressing frame along the front and rear directions is correspondingly limited, and the sewing range (in the front and rear directions) of materials is limited. Similarly, for the structure form that the second driving mechanism is driven by the first driving mechanism to move back and forth, generally, the first driving mechanism drives a guide rail seat, the second driving mechanism is arranged on the guide rail seat to control the pressing frame to move left and right along the guide rail seat, the space occupied by the guide rail seat, the second driving mechanism, the connecting part of the pressing frame and the guide rail seat and other parts is larger, the limit of the forward stroke of the guide rail seat cannot be moved close to the sewing needle, and the sewing range (the front and back direction) of the material is limited.

In the case of a large sewing range (in the front-back direction), the machine head needs to be lengthened, but as mentioned above, the machine head length is limited, and in the case of a small machine head, the requirement of the large sewing range (in the front-back direction) cannot be satisfied, and in some cases, the slider mechanism is usually arranged on the left side, the right side or even the rear side of the rear housing of the sewing machine head to obtain a longer sliding stroke, which causes the front-back direction of the sewing machine to be lengthened and the volume to be enlarged, which is not favorable for the layout application and management of the machine table in a workshop.

Therefore, a new technical solution is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses to the disappearance that prior art exists, its main objective provides an enlarge sewing of sewing stroke and moves mechanism and sewing machine, and its effective extension presses the frame in the sliding stroke of front and back direction, satisfies the sewing demand on a large scale, and moreover, compact structure does not need extra extension sewing machine's front and back length, increases sewing machine's volume, can satisfy the big stroke sewing demand of little aircraft nose.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a sewing transfer mechanism for expanding sewing stroke comprises a pressing frame, a first driving mechanism capable of driving the pressing frame to move back and forth, a second driving mechanism capable of driving the pressing frame to translate left and right, and a third driving mechanism capable of driving the pressing frame to lift up and down;

the first driving mechanism is connected with a first guide rail seat and can drive the first guide rail seat to translate back and forth, a first guide rail extending left and right is arranged on the first guide rail seat, a first sliding block can be matched on the first guide rail in a left and right sliding mode, the first sliding block is connected with a front and back translation seat, and the third driving mechanism is arranged on the front and back translation seat and drives the pressing frame to lift up and down relative to the front and back translation seat; the first guide rail is also connected with a second sliding block seat, the second sliding block seat is provided with a second sliding block extending forwards and backwards, and the second sliding block is used for being matched with a second guide rail extending forwards and backwards at the bottom of the sewing machine head;

and the second driving mechanism is connected with a left translation seat and a right translation seat and can drive the left translation seat and the right translation seat to translate left and right, a third sliding block is arranged at the bottom of the left translation seat and the right translation seat, the third sliding block can be matched with a left sliding rail and a right sliding rail in a sliding mode, a fourth guide rail extending front and back is arranged at the top of the left translation seat and the right translation seat, a fourth sliding block is arranged at the bottom of the front translation seat and the bottom of the back translation seat, and the fourth sliding block can be matched with the fourth guide rail in a sliding mode front and back.

As a preferable scheme, a fifth guide rail is arranged on the front side of the front and back translation seat, the fifth guide rail extends up and down, correspondingly, a fifth sliding block is connected to the rear end of the pressing frame, and the fifth sliding block can be adapted to the fifth guide rail in a vertically sliding manner, so that the reliability of the lifting action of the pressing frame is improved.

As a preferable scheme, the second slider seat is L-shaped, and has a first vertical portion and a first horizontal portion, the first vertical portion is connected to the rear side of the first guide rail seat, the first horizontal portion extends forward from the upper end of the first vertical portion, the second slider is disposed at the top of the first horizontal portion, and the first horizontal portion is located above the front and rear translation seats and keeps a distance therebetween. The arrangement of the second sliding block seat can not influence the arrangement of front parts such as the first guide rail seat, the front and back translation seat and the like, and moreover, the first horizontal part can be utilized to extend forwards by enough length according to requirements for arranging the second sliding block, so that the corresponding guiding and positioning effects are achieved, and the shaking phenomenon is improved.

As a preferable scheme, the front and rear translation seat has a second vertical portion, a second horizontal portion and a third vertical portion that are connected in sequence, the fourth slider is arranged at the bottom end of the second vertical portion, the second horizontal portion is connected between the top ends of the second vertical portion and the third vertical portion, and the fifth guide rail is arranged at the front side of the third vertical portion. The structure of the front and rear translation seat enables the position of the fourth sliding block to be arranged close to the rear, and the sliding stroke is enlarged.

As a preferable scheme, the second guide rail is over against the fourth guide rail, and the stress balance is better.

As a preferable scheme, the first driving mechanism comprises a first motor and a first synchronous belt driven by the first motor, the first synchronous belt is connected with a push rod, and the front end of the push rod is connected with the first guide rail seat. The first synchronous belt driven by the first motor is adopted, so that the control precision and stability of the translation of the pressing frame in the front-back direction are effectively improved.

As a preferable scheme, the first motor is installed on the first motor installation seat, and the rear end of the push rod can movably penetrate through the guide positioning hole of the first motor installation seat back and forth. The structure design is ingenious and reasonable, the push rod is utilized to play a role in guiding and positioning at the same time, and the stable and controllable action in the front-back direction is facilitated.

Preferably, the second driving mechanism includes a second motor and a second timing belt driven by the second motor, and the left and right translation base is connected to the second timing belt to move left and right along with the second timing belt. And the second synchronous belt driven by the second motor is adopted, so that the control precision and the stability of the translation of the pressing frame in the left and right directions are effectively improved.

A sewing machine comprises a sewing machine main body, wherein the sewing machine main body comprises a rack, a sewing workbench arranged on the rack, a sewing machine head and a sewing transfer mechanism, and the sewing transfer mechanism is a sewing transfer mechanism for expanding sewing stroke.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme, it is mainly through first guide rail seat, first guide rail, first slider, the front and back translation seat, the second slider, the second guide rail, control the translation seat, the third slider, the third guide rail, the fourth guide rail, the setting of fourth slider, the position of fourth slider can lean on the back to set up as far as possible, the fore-and-aft direction length size of fourth slider also can design as far as possible for enough little, the second guide rail that extends around the usable sewing machine head bottom of second slider forms the guide location, the translation seat is last around like this, the slider plays the positioning action on downside and whole front and back can all arrange as required on, improve and rock the phenomenon, simultaneously, the frame is pressed in the slip stroke of fore-and-aft direction to the extension, satisfy sewing demand on a large scale, moreover, do not need additionally to lengthen the front and back length of sewing machine, increase the volume of sewing machine, can satisfy the big stroke sewing demand of little aircraft nose.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a side view of an embodiment of the invention;

fig. 2 is a perspective view of the sewing transfer mechanism according to the embodiment of the present invention;

fig. 3 is another perspective view of the sewing transfer mechanism according to the embodiment of the present invention.

Description of the figures:

the sewing machine comprises a press frame 10, a first driving mechanism 20, a second driving mechanism 30, a third driving mechanism 40, a first guide rail seat 50, a first guide rail 51, a first sliding block 52, a front-back translation seat 60, a second sliding block seat 70, a second sliding block 71, a sewing machine head 100, a second guide rail 101, a first vertical part 701, a first horizontal part 702, a first motor 21, a first synchronous belt 22, a push rod 23, a first motor installation seat 24, a left-right translation seat 80, a third sliding block 81, a third guide rail 201, a machine frame 200, a fourth guide rail 82, a fourth sliding block 601, a second vertical part 61, a second horizontal part 62, a third vertical part 63, a second motor 31, a second synchronous belt 32, a fifth guide rail 602, a fifth sliding block 91, a cylinder 41, a hinge plate 42, a hinge plate 43, a waist-shaped groove 432, a back side 431, an L-shaped adapter plate 90, a sewing workbench 300 and a sewing mechanism 400.

Detailed Description

Fig. 1 to fig. 3 show specific structures of embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

A sewing transfer mechanism capable of expanding sewing stroke comprises a pressing frame 10, a first driving mechanism 20 capable of driving the pressing frame 10 to move back and forth, a second driving mechanism 30 capable of driving the pressing frame 10 to move left and right in a horizontal moving mode, and a third driving mechanism 40 capable of driving the pressing frame 10 to lift up and down.

The pressing frame 10 is used for pressing materials, and is generally in a square frame structure, but the shape of the pressing frame 10 can be flexibly changed according to the actual design and manufacture without limitation.

First actuating mechanism 20 is connected with first guide rail seat 50 and can drives first guide rail seat 50 and translate from front to back, first guide rail seat 50 is left and right to extend the setting, the leading flank is provided with the first guide rail 51 of extending from left to right on first guide rail seat 50, slidingtype adaptation is equipped with first slider 52 about can on the first guide rail 51, the front side of first slider 52 is connected with translation seat 60 from front to back. The first guide rail 51 is also connected with a second slider seat 70, the top of the second slider seat 70 is provided with a second slider 71 extending forwards and backwards, and the second slider 71 is used for being matched with a second guide rail 101 extending forwards and backwards at the bottom of the sewing machine head 100; the second slider seat 70 is L-shaped, and has a first vertical part 701 and a first horizontal part 702, the first vertical part 701 is connected to the rear side of the first rail seat 50, the first horizontal part 702 extends forward from the upper end of the first vertical part 701, the second slider 71 is arranged on the top of the first horizontal part 702, and the first horizontal part 702 is located above the front and rear translation seats 60 and keeps a distance; the arrangement of the second slider seat 70 does not affect the arrangement of the front components such as the first guide rail seat 50, the front and rear translation seat 60, etc., and the first horizontal part 702 can extend forwards for a sufficient length as required to arrange the second slider 71, thereby playing a role in guiding and positioning correspondingly and improving the shaking phenomenon. The specific structure of the first driving mechanism 20 may take various forms, in this embodiment, the first driving mechanism 20 includes a first motor 21 (fig. 2 does not directly show the first motor, and the indication position of the first motor is a rotating wheel driven by the first motor), and a first synchronous belt 22 driven by the first motor 21, a push rod 23 extending forward and backward is connected to the first synchronous belt 22, two push rods 23 are arranged side by side along the left and right, the front end of the push rod 23 is connected to the first guide rail seat 50, and the push rod 23 moves forward and backward along with the first synchronous belt 22 to push the first guide rail seat 50 to move forward and backward. The first synchronous belt 22 driven by the first motor 21 is adopted, so that the control precision and the stability of the translation of the pressing frame 10 in the front and back directions are effectively improved. The first motor 21 is installed on the first motor installation seat 24, the rear end of the push rod 23 can movably penetrate through the guide positioning hole of the first motor installation seat 24 in the front-back direction, the structural design is ingenious and reasonable, the push rod 23 is utilized to play a role in guiding and positioning at the same time, and stable and controllable actions in the front-back direction are facilitated.

The second driving mechanism 30 is connected with a left-right translation seat 80 and can drive the left-right translation seat 80 to translate left and right, a third sliding block 81 is arranged at the bottom of the left-right translation seat 80, the third sliding block 81 can be matched with a left-right sliding type third guide rail 201 extending left and right, the third guide rail 201 is arranged on the rack 200, the third guide rail 201 is usually arranged on the rack 200 as a fixing piece, the position of the third guide rail is fixed relative to the rack 200, a front-back extending fourth guide rail 82 is arranged at the top of the left-right translation seat 80, a front-back translation seat 60 is arranged at the bottom of the front-back translation seat 601, and the front-back sliding type fourth sliding block 601 is matched with the fourth guide rail 82. The second guide rail 101 is over against the fourth guide rail 82, and the stress balance is better. In this embodiment, the four guide rails 82 are arranged side by side along the left and right, the areas where the two four guide rails 82 are located are both located under the second guide rail 101, and the left and right intervals between the two four guide rails 82 can also be increased, so that the second guide rail 101 is over against the center of the two four guide rails 82. The front and rear translation seat 60 has a second vertical portion 61, a second horizontal portion 62 and a third vertical portion 63 which are connected in sequence, the fourth slider 601 is arranged at the bottom end of the second vertical portion 61, the second horizontal portion 62 is connected between the top ends of the second vertical portion 61 and the third vertical portion 63, and the fifth guide rail is arranged at the front side of the third vertical portion 63. The structure of the front and rear translation base 60 enables the position of the fourth slider 601 to be arranged at the rear, and the sliding stroke is enlarged. The specific structure of the second driving mechanism 30 may take various forms, in this embodiment, the second driving mechanism 30 includes a second motor 31 and a second timing belt 32 driven by the second motor 31, and the bottom of the left and right translation seats 80 is connected to the second timing belt 32 to move left and right along with the second timing belt 32. The second synchronous belt 32 driven by the second motor 31 is adopted, so that the control precision and the stability of the translation of the pressing frame 10 in the left and right directions are effectively improved.

The third driving mechanism 40 is installed on the left side or the right side of the front and rear translation base 60 and drives the pressing frame 10 to be capable of lifting up and down relative to the front and rear translation base 60, a fifth guide rail 602 is arranged on the front side of the front and rear translation base 60, the fifth guide rail 602 extends up and down, correspondingly, the rear end of the pressing frame 10 is connected with a fifth sliding block 91 through an L-shaped adapter 90, and the fifth sliding block 91 is capable of being adapted to the fifth guide rail 602 in a vertically sliding manner. The reliability of the lifting action of the pressing frame 10 is improved. The specific structure of the third driving mechanism 40 may adopt various forms, in this embodiment, the third driving mechanism 40 includes a cylinder 41, a hinged piece 42 and a toggle piece 43, a piston rod of the cylinder 41 extends forward, a front end of the piston rod is hinged on an upper portion of a front side of the hinged piece 42, a rear side of the hinged piece 42 is hinged with a rear side of the toggle piece 43 to form a rear side hinge point 431, a lower portion of the front side of the hinged piece 42 is connected with a linkage pin extending in a left-right direction, the linkage pin extends into a kidney-shaped groove 432 of the toggle piece 43, the kidney-shaped groove 432 is an arc-shaped groove, the kidney-shaped groove is located on an arc with the rear side hinge point 431 as a center of circle, and the kidney-shaped groove 432 is located in a front side area of the toggle piece 43. When the piston rod of the cylinder 41 extends forwards, the toggle piece 43 rotates downwards around the rear-side hinge point 431, the front end of the toggle piece 43 is connected to or linked with the L-shaped adapter piece 90 to enable the L-shaped adapter piece 90 to descend, on the contrary, when the piston rod of the cylinder 41 extends backwards, the toggle piece 43 rotates upwards around the rear-side hinge point 431, the front end of the toggle piece 43 is connected to or linked with the L-shaped adapter piece 90 to enable the L-shaped adapter piece 90 to ascend, and thus the ascending and descending actions of the pressure frame 10 are controlled.

Next, a sewing machine is described, which includes a sewing machine main body, the sewing machine main body includes a frame 200, and a sewing table 300, a sewing machine head 100, and a sewing transfer mechanism 400 provided on the frame 200, and the sewing transfer mechanism 400 is a sewing transfer mechanism for expanding a sewing stroke as described in any one of the above.

The utility model discloses a design focus lies in, it is mainly through first guide rail seat 50, first guide rail 51, first slider 52, the seat 60 of translation around, second slider seat 70, second slider 71, second guide rail 101, control translation seat 80, third slider 81, third guide rail 201, fourth guide rail 82, fourth slider 601's setting, fourth slider 601's position can lean on the back as far as possible to set up, fourth slider 601's fore-and-aft direction length size also can design as far as possible for enough little, the second guide rail 101 of the available sewing machine head 100 bottom of second slider 71 front and back extension forms the guide location, translation seat 60 is last around like this, the slider plays the positioning action on downside and whole front and back direction can all arrange as required, improve and rock the phenomenon, simultaneously, effectively prolong the sliding stroke of pressing frame 10 in the fore-and-aft direction, satisfy sewing demand on a large scale, moreover, do not need additionally lengthen the fore-and-aft length of sewing machine, increase sewing machine's volume, can satisfy the big stroke sewing demand of little aircraft head.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides an enlarge sewing of sewing stroke and move mechanism of carrying, is including pressing the frame and can driving the first actuating mechanism who presses the frame back-and-forth movement, can drive the second actuating mechanism who presses the frame left and right translation, can drive the third actuating mechanism who presses the frame oscilaltion, its characterized in that:

the first driving mechanism is connected with a first guide rail seat and can drive the first guide rail seat to translate back and forth, a first guide rail extending left and right is arranged on the first guide rail seat, a first sliding block can be matched on the first guide rail in a sliding manner left and right, the first sliding block is connected with a back and forth translation seat, and the third driving mechanism is arranged on the back and forth translation seat and drives the pressing frame to lift up and down relative to the back and forth translation seat; the first guide rail is also connected with a second sliding block seat, the second sliding block seat is provided with a second sliding block extending forwards and backwards, and the second sliding block is used for being matched with a second guide rail extending forwards and backwards at the bottom of the sewing machine head;

and the second driving mechanism is connected with a left translation seat and a right translation seat and can drive the left translation seat and the right translation seat to translate left and right, a third sliding block is arranged at the bottom of the left translation seat and the right translation seat, the third sliding block can be matched with a third guide rail extending left and right, a fourth guide rail extending front and back is arranged at the top of the left translation seat and the right translation seat, a fourth sliding block is arranged at the bottom of the front translation seat and the back translation seat, and the fourth sliding block can be matched with the fourth guide rail in a front and back sliding manner.

2. The sewing transfer mechanism for expanding sewing stroke according to claim 1, characterized in that: and a fifth guide rail is arranged on the front side of the front and rear translation seat and extends up and down, correspondingly, a fifth sliding block is connected to the rear end of the pressing frame, and the fifth sliding block can be matched with the fifth guide rail in a vertically sliding manner.

3. The sewing transfer mechanism for expanding sewing stroke according to claim 1, characterized in that: the second slider seat is L shape, and it has first vertical portion and first horizontal part, first vertical portion connects in the rear side of first guide rail seat, first horizontal part extends the setting forward from the upper end of first vertical portion, the second slider sets up in the top of first horizontal part, the top of translation seat just keeps the interval around first horizontal part is located.

4. The sewing transfer mechanism for enlarging sewing stroke according to claim 2, characterized in that: the front and back translation seat is provided with a second vertical part, a second transverse part and a third vertical part which are connected in sequence, the fourth slider is arranged at the bottom end of the second vertical part, the second transverse part is connected between the top ends of the second vertical part and the third vertical part, and the fifth guide rail is arranged at the front side of the third vertical part.

5. The sewing transfer mechanism for enlarging sewing stroke according to claim 1, characterized in that: the second guide rail is over against the fourth guide rail.

6. The sewing transfer mechanism for enlarging sewing stroke according to claim 1, characterized in that: the first driving mechanism comprises a first motor and a first synchronous belt driven by the first motor, a push rod is connected to the first synchronous belt, and the front end of the push rod is connected to the first guide rail seat.

7. The sewing transfer mechanism for expanding sewing stroke according to claim 6, characterized in that: the first motor is arranged on the first motor mounting seat, and the rear end of the push rod can movably penetrate through the guide positioning hole of the first motor mounting seat in the front-back direction.

8. The sewing transfer mechanism for enlarging sewing stroke according to claim 1, characterized in that: the second driving mechanism comprises a second motor and a second synchronous belt driven by the second motor, and the left and right translation seat is connected to the second synchronous belt to move left and right along with the second synchronous belt.

9. The utility model provides a sewing machine, is including sewing machine main part, sewing machine main part moves the mechanism including the frame and set up sewing work platform, sewing machine head, the sewing in the frame, its characterized in that: the sewing transfer mechanism is the sewing transfer mechanism for expanding sewing stroke according to any one of claims 1 to 8.