CN213681191U

CN213681191U - Auxiliary sewing tool

Info

Publication number: CN213681191U
Application number: CN202022665529.9U
Authority: CN
Inventors: 王潮; 陈晓东
Original assignee: Guangzhou Chenliyuan Technology Consulting Co ltd
Current assignee: Guangzhou Chenliyuan Technology Consulting Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-07-13
Anticipated expiration: 2030-11-17

Abstract

The utility model discloses a sewing auxiliary fixtures, include: a base station; the pressing mechanism comprises a linear driver, the linear driver is erected on the base platform, the linear driver comprises an output rod arranged towards the base platform, and a first clamping gap is formed between the output rod and the base platform; the traction mechanism comprises a first rotary driver, a driving wheel and a propping piece, the first rotary driver is arranged on the base station and is in driving connection with the driving wheel, the propping piece is connected with the base station, and a second clamping gap is arranged between the driving wheel and the propping piece. When this sewing auxiliary fixtures used, the surface fabric of peripheral hardware passed first tight clearance of clamp and the tight clearance of second clamp, and the surface fabric is by the action wheel and support to support the piece centre gripping, and behind the tight surface fabric of sharp driver drive briquetting, the action wheel drives the taut surface fabric of surface fabric promptly when being driven by first rotary actuator, realizes replacing the taut surface fabric of staff with machinery, and is safer and efficiency is higher.

Description

Auxiliary sewing tool

Technical Field

The utility model relates to the field of textile machinery, in particular to sewing auxiliary fixtures.

Background

When blanking the fabric, the conventional mode is to directly place the fabric below a blanking knife, and press the fabric outside a blanking area with fingers during blanking to tighten the fabric so as to ensure the shape accuracy of blanking, and the mode has the problems of low efficiency, dangerous operation and the like.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.

The utility model provides a sewing auxiliary fixtures, include:

a base station;

the pressing mechanism comprises a linear driver, the linear driver is erected on the base platform, the linear driver comprises an output rod arranged towards the base platform, and a first clamping gap is formed between the output rod and the base platform;

the traction mechanism comprises a first rotary driver, a driving wheel and a propping piece, wherein the first rotary driver is arranged on the base station and is in driving connection with the driving wheel, the propping piece is connected with the base station, and a second clamping gap is arranged between the driving wheel and the propping piece.

The utility model has the advantages that: when this sewing auxiliary fixtures used, the surface fabric of peripheral hardware passed first tight clearance of clamp and the tight clearance of second clamp, and the surface fabric is by the action wheel and support to support the piece centre gripping, and behind the tight surface fabric of sharp driver drive briquetting, the action wheel drives the taut surface fabric of surface fabric promptly when being driven by first rotary actuator, realizes replacing the taut surface fabric of staff with machinery, and is safer and efficiency is higher.

As a sub-solution to the above technical solution, the first rotary driver is a servo motor.

As a sub-scheme of the above technical scheme, the auxiliary sewing tool further comprises a blanking mechanism, the blanking mechanism is arranged between the pressing mechanism and the drawing mechanism, the blanking mechanism comprises a driving assembly, a punching knife and a back plate, the driving assembly is arranged on the base station, the back plate is connected with the base station, a punching hole is formed in the back plate, and the driving assembly drives the punching knife to move back and forth to enter and exit the punching hole.

As some sub-schemes of the above technical scheme, the blanking mechanism further comprises an elastic part, a supporting table and a base plate, the supporting table is connected with the base table or the back plate, the supporting table is adjacent to one side of the punching knife, the base plate is connected with the first sliding hole in a sliding mode, the elastic part is arranged between the base plate and the supporting table and drives the base plate to move towards the punching knife.

As a sub-solution of the above technical solution, a second sliding hole is formed on the base platform and is disposed toward the pad plate, the punching blade is slidably connected to the second sliding hole, and the driving assembly includes:

a second rotary driver provided on the base;

a cam driven by the second rotary driver;

the punching device comprises a cam, a base, a first connecting rod and a second connecting rod, wherein one end of the first connecting rod is abutted to the periphery of the cam, the middle of the first connecting rod is hinged to the base, the other end of the first connecting rod is hinged to one end of the second connecting rod, and the other end of the second connecting rod is hinged to the punching knife.

As a sub-solution of the above technical solution, the blanking knife includes a knife head facing the pad, the knife head is circular, the knife head includes a knife edge, and at least one notch is formed on the knife edge.

As a sub-scheme of some of the above technical schemes, the traction mechanism further includes a wheel carrier and a fixing component, the wheel carrier is disposed on the base, the wheel carrier is provided with a first sliding groove, the abutting member is slidably connected with the first sliding groove, the fixing component is detachably abutted with the abutting member, and the abutting member is limited to be away from the driving wheel at different positions.

As a sub-scheme of the above technical scheme, the traction mechanism further includes a set screw, the set screw is located on one side of the abutting member departing from the driving wheel, the set screw is in threaded connection with a screw hole formed in the wheel carrier, and the tail of the set screw abuts against the abutting member.

As a sub-scheme of the above technical scheme, the first rotary driver includes a first output shaft, the first output shaft is in driving connection with the driving wheel, and the first output shaft penetrates through the driving wheel and extends into a shaft hole formed in the wheel carrier.

As a sub-solution to the above technical solution, the abutting member is a roller.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a perspective view of an embodiment of the present invention, in which a part of components of a blanking mechanism is hidden;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is a schematic structural view of the pulling mechanism.

In the drawings: 100-a base station; 110-surface trough; 210-a linear drive; 211-output rod; 220-briquetting; 310-a first rotary drive; 320-a driving wheel; 330-an abutment; 340-wheel carrier; 341-first chute; 350-set screws; 410-punching knife; 420-a back plate; 430-backing plate; 440-a support table; 450-a spring; 460-a second rotary drive; 470-a cam; 480-a first link; 490-second link.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of terms means an indefinite amount, and a plurality of terms means two or more, and the terms greater than, less than, exceeding, etc. are understood to include no essential numbers, and the terms greater than, less than, within, etc. are understood to include essential numbers. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated. Appearing throughout and/or representing three side-by-side scenarios, e.g., A and/or B represents a scenario satisfied by A, a scenario satisfied by B, or a scenario satisfied by both A and B.

In the description of the present invention, if there is a phrase containing a plurality of parallel features, the phrase defined therein is the closest feature, for example: b, C disposed on A, E connected to D, B disposed on A, E connected to D, C is not limited; however, terms indicating relationships between features such as "spaced apart", "arranged in a ring", etc. do not fall within this category. The phrase preceded by the word "mean" indicates that it is a definition of all features in the phrase, and if it is B, C, D, it indicates that both B, C and D are located on a. The statement with the omitted subject is the subject of the previous statement, namely, the statement A is provided with B and C, which means that the statement A is provided with B and A comprises C.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

The following description will be made of an embodiment of the present invention with reference to fig. 1 and 2.

Referring to fig. 1, this is an embodiment of a sewing auxiliary tool, including: a base 100, a pressing mechanism and a drawing mechanism;

the pressing mechanism is erected above the base station 100, the linear driver 210 comprises an output rod 211 arranged towards the base station 100, and a first clamping gap is arranged between the output rod 211 and the base station 100;

the pulling mechanism comprises a first rotary driver 310, a driving wheel 320 and an abutting piece 330, wherein the first rotary driver 310 is arranged on the base station 100 and is in driving connection with the driving wheel 320, the abutting piece 330 is connected with the base station 100, and a second clamping gap is arranged between the driving wheel 320 and the abutting piece 330.

When this sewing auxiliary fixtures used, the surface fabric of peripheral hardware passed first tight clearance of clamp and the tight clearance of second clamp, and the surface fabric is by action wheel 320 with support and lean on a 330 centre gripping, and after sharp driver 210 drive briquetting 220 pressed from both sides tight surface fabric, action wheel 320 drove the taut surface fabric of surface fabric promptly when being driven by first rotary actuator 310, realized replacing the taut surface fabric of staff with machinery, and is safer and efficiency is higher.

The leaning component 330 can be a block-shaped component, a plate-shaped component, etc., which mainly provides support for the driving wheel 320 to clamp the fabric. In the present embodiment, the abutting member 330 is a roller. The abutting piece 330 adopts a roller, and has the advantages of small friction force and small damage to fabrics.

Further, a through facing groove 110 extending in the left-right direction is formed in the base 100. The fabric can play a certain guiding role when being placed in the fabric groove 110, and the fabric transferring precision is improved. The linear actuator 210 may be a pneumatic ram, an electric ram, a hydraulic ram, a linear module, a screw mechanism, etc., and has a main effect of providing an output rod 211 for linear motion. In this embodiment, the linear actuator 210 is a solenoid valve, and the use of the solenoid valve has the advantages of low cost and simple configuration.

Furthermore, the output rod 211 of the linear actuator 210 is further provided with a pressing block 220 on the side facing the base 100, and the surface area of the pressing block 220 on the side facing the base 100 is larger than the surface area of the output rod 211 on the side facing the base 100, that is, the area of the bottom surface of the pressing block 220 is larger than the area of the bottom surface of the output rod 211. The pressing block 220 is beneficial to increasing the abutting area of the output rod 211 and the fabric, reducing the indentation and increasing the friction force.

Specifically, sewing auxiliary fixtures still includes blanking mechanism, blanking mechanism sets up between hold-down mechanism and the traction mechanism, blanking mechanism includes drive assembly, punching knife 410 and backplate 420, drive assembly establishes on the base station 100, backplate 420 with base station 100 is connected, be equipped with the blanking hole on backplate 420, drive assembly drives punching knife 410 reciprocates the business turn over the blanking hole. For this sewing auxiliary fixtures configuration blanking mechanism, when drive assembly drove blanking knife 410 and stretched into the blanking hole, blanking knife 410 can form the incision on the surface fabric between blanking knife 410 and the blanking hole for this sewing auxiliary fixtures has integrateed the function of blanking, so that follow-up is handled. The blanking blade 410 and the back plate 420 are respectively located at the upper and lower sides of the fabric channel, and the blanking hole is formed in the guide sleeve disposed on the base 100. The guide sleeve is favorable for improving the precision of the blanking hole. The uide bushing adopts the copper sheathing in this embodiment, and it has the high advantage of wearability.

Further, blanking mechanism still includes elastic component, a supporting bench 440 and backing plate 430, supporting bench 440 with base station 100 or backplate 420 is connected, supporting bench 440 is close to one side of punching cutter 410 is equipped with first slide opening, backing plate 430 with first slide opening sliding connection, the elastic component sets up backing plate 430 with between supporting bench 440 and order about backing plate 430 to punching cutter 410 moves. The fabric passes through between the backing plate 430 and the blanking blade 410, and under the action of the elastic member, the fabric is clamped by the backing plate 430 and the blanking blade 410, so that the fabric is blanked with higher precision. In addition, the backing plate 430 can also restore the punch 410 under the elastic force of the elastic member. The elastic member is a spring 450 in the present embodiment, and a plastic member, a rubber member, a silicon member, etc. may be used in other embodiments. Specifically, the backing plate 430 is slidably connected to the first sliding hole through a pin shaft type part, which is a combined shaft formed by connecting a screw and a threaded sleeve in this embodiment, and the spring 450 is sleeved outside the combined shaft and located between the backing plate 430 and the supporting table 440.

Specifically, a second slide hole is formed on the base 100 and faces the pad 430, the punch 410 is slidably connected to the second slide hole, and the driving assembly includes: the second rotary driver 460, the cam 470, the first link 480, and the second link 490;

the second rotary driver 460 is disposed on the base 100, specifically connected to the lower side of the base 100;

the output of the second rotary actuator 460 is drivingly connected to the cam 470, in particular, in this embodiment, through a belt drive to the cam 470,

the left end of the first link 480 is abutted against the periphery of the cam 470, the middle of the first link is hinged to a connecting column extending downwards on the bottom surface of the base 100, the right end of the first link is hinged to the left end of the second link 490, and the right end of the second link 490 is hinged to the punching knife 410.

When the second rotary driver 460 drives the cam 470 to rotate, the cam 470 pushes the first connecting rod 480 to drive the second connecting rod 490 to drive the punching knife 410 to move upwards to complete the punching action, the cam 470 continues to rotate the cushion block to push the punching knife 410 to move downwards, the acting force of the elastic member is transmitted to the first connecting rod 480 through the cushion block, the punching knife 410 and the second connecting rod 490 to reset the first connecting rod 480, and thus the punching knife 410 can reciprocate up and down along the second sliding hole. Thereby, the up-and-down reciprocating motion of the punching blade 410 is achieved by the second rotary driver 460, the first link 480 and the second link 490.

Further, the pulling mechanism further includes a wheel frame 340 and a fixing component, the wheel frame 340 is disposed on the base 100, the wheel frame 340 is provided with a first sliding groove 341, the abutting member 330 is slidably connected to the first sliding groove 341, the fixing component is detachably abutted to the abutting member 330, and the abutting member 330 is limited from being away from the driving wheel 320 at different positions. Thus, the fixing assembly enables the distance between the abutting member 330 and the driving wheel 320 to be adjustable, in other words, even if the first clamping gap is adjustable, so as to clamp fabrics with different thicknesses.

The pulling mechanism further comprises a set screw 350, the set screw 350 is located on one side of the abutting piece 330 departing from the driving wheel 320, the set screw 350 is in threaded connection with a screw hole formed in the wheel carrier 340, and the tail of the set screw 350 abuts against the abutting piece 330. Through rotatory holding screw 350, change holding screw 350 afterbody extension length, can change and lean on the spacing position who leans on piece 330, and then realize leaning on to lean on the spacing adjustable between piece 330 and the action wheel 320, this mode has the convenient advantage of regulation.

Further, the first rotary driver 310 includes a first output shaft, the first output shaft is in driving connection with the driving wheel 320, and the first output shaft penetrates through the driving wheel 320 and extends into the shaft hole provided on the wheel carrier 340. From this, action wheel 320 and first output shaft all are supported respectively along axis direction both sides, and action wheel 320 supports more firm, is favorable to improving the stability of operation.

The punching knife 410 includes a knife head facing the pad 430, the knife head is circular, the knife head includes a cutting edge, and at least one notch is formed on the cutting edge. From this, blanking sword 410 can form nearly circular shape section on the surface fabric when the blanking, and the incision that forms on the cutting edge has formed the part that links to each other with the section on the surface fabric to after this surface fabric cuts, the section can be followed the surface fabric and continue to move, and when taking out this section, only need a little application of force can be torn the section from the surface fabric, has guaranteed that the section can continue to move so that follow-up is handled along with the surface fabric, also cuts a section simultaneously and is convenient for take off from the surface fabric.

The first and second

rotary drivers

310, 460 may be stepper motors, servo motors, pneumatic motors, etc., and have the primary effect of providing a rotating output shaft. In the present embodiment, the first rotary driver 310 is a servo motor. The servo motor has the advantages of flexible control and flexible driving, the servo motor is selected for the first rotary driver 310, the distance of driving the fabric at each time is changed by adjusting the number of turns of the action at each time, and the blanking interval of the blanking knife 410 can be changed.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments, but is capable of various changes and modifications without departing from the spirit of the invention.

Claims

1. The utility model provides a sewing auxiliary fixtures which characterized in that: the method comprises the following steps:

a base (100);

the pressing mechanism comprises a linear driver (210), the linear driver (210) is erected on the base platform (100), the linear driver (210) comprises an output rod (211) arranged towards the base platform (100), and a first clamping gap is arranged between the output rod (211) and the base platform (100);

the drawing mechanism comprises a first rotary driver (310), a driving wheel (320) and an abutting piece (330), wherein the first rotary driver (310) is arranged on the base station (100) and is in driving connection with the driving wheel (320), the abutting piece (330) is connected with the base station (100), and a second clamping gap is arranged between the driving wheel (320) and the abutting piece (330).

2. The sewing auxiliary tool of claim 1, characterized in that: the first rotary driver (310) is a servo motor.

3. The sewing auxiliary tool of claim 1, characterized in that: the sewing auxiliary tool further comprises a blanking mechanism, the blanking mechanism is arranged between the pressing mechanism and the traction mechanism, the blanking mechanism comprises a driving assembly, a punching knife (410) and a back plate (420), the driving assembly is arranged on the base platform (100), the back plate (420) is connected with the base platform (100), a blanking hole is formed in the back plate (420), and the driving assembly drives the punching knife (410) to move back and forth to enter and exit the blanking hole.

4. The sewing auxiliary tool of claim 3, characterized in that: blanking mechanism still includes elastic component, brace table (440) and backing plate (430), brace table (440) with base station (100) or backplate (420) are connected, brace table (440) are close to one side of punching cutter (410) is equipped with first slide opening, backing plate (430) with first slide opening sliding connection, the elastic component sets up backing plate (430) with between brace table (440) and order about backing plate (430) to punching cutter (410) motion.

5. The sewing auxiliary tool of claim 4, wherein: a second slide hole is formed on the base (100) and arranged towards the pad plate (430), the punching knife (410) is connected with the second slide hole in a sliding manner, and the driving assembly comprises:

a second rotary driver (460) provided on the base (100);

a cam (470) driven by the second rotary driver (460);

a first connecting rod (480) and a second connecting rod (490), wherein one end of the first connecting rod (480) is abutted with the periphery of the cam (470), the middle part of the first connecting rod is hinged with the base (100), the other end of the first connecting rod is hinged with one end of the second connecting rod (490), and the other end of the second connecting rod (490) is hinged with the punching knife (410).

6. The sewing auxiliary tool of claim 5, wherein: the punching knife (410) comprises a knife head facing the backing plate (430), the knife head is circular and comprises a knife edge, and at least one notch is formed in the knife edge.

7. The sewing auxiliary tool of claim 1, characterized in that: the traction mechanism further comprises a wheel frame (340) and a fixing component, the wheel frame (340) is arranged on the base station (100), a first sliding groove (341) is formed in the wheel frame (340), the abutting piece (330) is connected with the first sliding groove (341) in a sliding mode, the fixing component can be detachably abutted to the abutting piece (330), and the abutting piece (330) is limited to be far away from the driving wheel (320) at different positions.

8. The sewing auxiliary tool of claim 7, wherein: the traction mechanism further comprises a set screw (350), the set screw (350) is located on one side, away from the driving wheel (320), of the abutting part (330), the set screw (350) is in threaded connection with a screw hole formed in the wheel carrier (340), and the tail of the set screw (350) abuts against the abutting part (330).

9. The sewing auxiliary tool of claim 8, wherein: the first rotary driver (310) comprises a first output shaft, the first output shaft is in driving connection with the driving wheel (320), and the first output shaft penetrates through the driving wheel (320) and extends into a shaft hole formed in the wheel carrier (340).

10. The sewing auxiliary tool of claim 1, characterized in that: the abutting piece (330) is a roller.