CN216006252U

CN216006252U - Pneumatic clamping frame mechanism of computerized embroidery machine

Info

Publication number: CN216006252U
Application number: CN202122595957.3U
Authority: CN
Inventors: 谢中华; 郭英杰
Original assignee: Tiandao Embroidery Machinery China Co ltd
Current assignee: Tiandao Embroidery Machinery China Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-03-11
Anticipated expiration: 2031-10-27

Abstract

The utility model discloses a pneumatic double-layered frame mechanism of computerized embroidery machine, including adjusting support and two centre gripping arms, be equipped with clamping device on two centre gripping arms respectively, clamping device includes the driving piece, the fixed plate, the centre gripping group, the roof pressure group, connecting rod and stopper, the driving piece, fixed plate and stopper setting are on the centre gripping arm, be equipped with the pin on the fixed plate, the pin is located to roof pressure group and centre gripping stack, the both ends of connecting rod respectively with driving piece and roof pressure group link, it is equipped with the torsional spring still to overlap on the pin, the both ends of torsional spring are colluded respectively and are linked to the centre gripping group, and the junction of connecting rod and roof pressure subassembly. The utility model discloses pneumatic double-layered frame mechanism of computerized embroidery machine makes the centre gripping group be in the open mode when not having centre gripping embroidery frame through the torsional spring to this is convenient to the centre gripping of embroidery frame, and after the centre gripping, then through centre gripping group and roof pressure group around to the embroidery frame, the upper and lower position carry out the centre gripping fixed, make the centre gripping of embroidery frame effectual, avoid it to drop.

Description

Pneumatic clamping frame mechanism of computerized embroidery machine

Technical Field

The utility model relates to an embroidery frame presss from both sides technical field, in particular to pneumatic double-layered frame mechanism of computerized embroidery machine.

Background

Embroidery, also known as needle embroidery, is a generic term for various decorative patterns embroidered by stitches on fabrics, and is one of the excellent national traditional processes, in which embroidery needles are used to guide colored threads (silk, velvet, thread) and to knit and transport needles on fabrics (silk, cloth, etc.) according to designed patterns, and form patterns or characters by embroidery stitches.

With the development of science and technology, the extension of computer technology flows into computer embroidery in China from abroad, which is deduced from the concept of traditional embroidery, computer embroidery adopts professional computer embroidery software to carry out computer programming, designs patterns and needle-moving sequences so as to achieve the mass production of embroidery products, and the computer embroidery not only inherits the traditional manual embroidery perfectly, but also solves the problem that the traditional manual embroidery cannot be produced in mass.

Because computerized embroidery is automatic control, in the process of computerized embroidery, the embroidery frame needs to be automatically conveyed, so the embroidery frame needs to be clamped by a clamping device during conveying, the traditional clamping device is provided with spring pressing sheets on clamping arms at two sides, and the embroidery frame is clamped by the elasticity of the spring pressing sheets at two sides, but the clamping effect of the clamping mode is not ideal enough, and the embroidery frame is easy to fall off.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pneumatic clamping frame mechanism of computerized embroidery machine that centre gripping is effectual, and the centre gripping is convenient.

For solving the above technical problem, the utility model discloses can adopt following technical scheme to realize:

a pneumatic clamping frame mechanism of a computer embroidery machine comprises an adjusting bracket and two clamping arms connected with the adjusting bracket, wherein the two clamping arms are oppositely arranged and are in a clamping shape, and clamping devices are respectively arranged on the two clamping arms;

the clamping device comprises a driving piece, a fixing plate, a clamping group, a jacking group, a connecting rod and a limiting block, the driving piece, the fixing plate and the limiting block are respectively arranged on the side wall of the clamping arm, pins are arranged on the fixing plate, the jacking group and the clamping group are arranged on the pins, the pins are rotated by taking the pins as rotation centers, two ends of the connecting rod are respectively connected with the driving piece and the jacking group, a torsional spring is further sleeved on the pins, two ends of the torsional spring are respectively connected with the clamping group in a hooking mode, and the connecting position of the connecting rod and the jacking group is reached.

In one embodiment, the clamping group comprises a V-shaped plate, a first bearing and a second bearing, the pin is sleeved in the middle of the V-shaped plate, the first bearing and the second bearing are respectively arranged at two ends of the V-shaped plate, and one end of the torsion spring is hooked with the first bearing.

In one embodiment, the jacking group comprises a rotating plate, a jacking block and a pressing arm, one side of one end of the rotating plate is sleeved on the pin, the other side of the rotating plate is connected with the connecting rod, the jacking block is arranged on the inner side of the other end of the rotating plate and acts on the V-shaped plate, the pressing arm is arranged on the outer side, one end of the pressing arm far away from the rotating plate is provided with a third bearing, and the end part of the pressing arm is provided with a third bearing.

In one embodiment, the end of the clamping arm remote from the adjustment bracket is provided with a fourth bearing.

In one embodiment, a sensor is further arranged on the clamping arm and is positioned at the limiting block.

In one embodiment, the adjusting bracket is provided with a plurality of fastening holes at intervals.

The utility model has the advantages that: the utility model discloses pneumatic double-layered frame mechanism of computerized embroidery machine, under initial condition, centre gripping group is in the open mode through the torsional spring, when the lateral wall of embroidery frame inserted the centre gripping arm, can order about centre gripping group and use the pin to rotate as rotation center, and carry out the centre gripping to the lateral wall of embroidery frame, the stopper then carries on spacingly to embroidery frame male position, at this moment, the driving piece drives roof pressure group and uses the pin to rotate as rotation center equally, and withstand the centre gripping group, press simultaneously in the upper portion of embroidery frame, carry out diversified centre gripping to the embroidery frame with this, ensure the centre gripping effect of embroidery frame, and make the embroidery frame convenient and fast when carrying out the centre gripping.

Drawings

FIG. 1 is a schematic structural view of a pneumatic frame clamping mechanism of a computerized embroidery machine of the present invention;

FIG. 2 is a schematic structural view of a clamping device in the pneumatic frame clamping mechanism of the computerized embroidery machine of the present invention;

FIG. 3 is an enlarged view of the position A in the drawing 1 of the pneumatic clamping frame mechanism of the computerized embroidery machine of the present invention;

fig. 4 is a schematic structural view of an embroidery frame in the pneumatic frame clamping mechanism of the computerized embroidery machine of the present invention.

As shown in the attached drawings:

100. adjusting the bracket; 110. a fastening hole;

200. a clamp arm;

300. a clamping device; 310. a drive member; 320. a fixing plate; 330. a clamping group; 331. a V-shaped plate; 332. a first bearing; 333. a second bearing; 340. a jacking group; 341. a rotating plate; 342. a top block; 343. pressing the arm; 344. a third bearing; 350. a connecting rod; 360. a limiting block; 370. a pin; 380. a torsion spring;

400. a fourth bearing;

500. a sensor;

600. embroidering an embroidery frame; 610. a side edge; 620. and (5) clamping the column.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, a pneumatic clamping frame mechanism of a computerized embroidery machine includes an adjusting bracket 100 and two clamping arms 200 connected to the adjusting bracket 100, wherein the two clamping arms 200 are oppositely disposed and in a clamping shape, and clamping devices 300 are respectively disposed on the two clamping arms 200; the clamping device 300 comprises a driving member 310, a fixing plate 320, a clamping group 330, a jacking group 340, a connecting rod 350 and a limiting block 360, wherein the driving member 310, the fixing plate 320 and the limiting block 360 are respectively arranged on the side wall of the clamping arm 200, a pin 370 is arranged on the fixing plate 320, the jacking group 340 and the clamping group 330 are sleeved on the pin 370 and rotate by taking the pin 370 as a rotation center, two ends of the connecting rod 350 are respectively connected with the driving member 310 and the jacking group 340, a torsion spring 380 is further sleeved on the pin 370, two ends of the torsion spring 380 are respectively hooked with the clamping group 330 and a connection part of the connecting rod 350 and the jacking group 340.

Specifically, in the initial state, the clamping set 330 is in the open state by the acting force of the torsion spring 380, then the side 610 of the embroidery frame 600 is inserted into the clamping arm 200, the clamping column 620 of the side 610 of the embroidery frame 600 drives the clamping set 330 to rotate around the pin 370 as the rotation center, after the clamping set 330 rotates, the clamping column 620 is clamped in the middle, when the side 610 is inserted, the position where the side 610 is inserted can be blocked and limited by the limiting block 360, meanwhile, the side 610 can be in contact with the sensor 500 arranged at the limiting block 360 for sensing, the sensor 500 transmits a signal to the control system, the control system starts the driving member 310, the driving member 310 is an air cylinder, the driving member 310 drives the connecting rod 350 to operate, the connecting rod 350 pushes the pressing set 340 to rotate around the pin 370 as the rotation center and acts on the clamping set 330, and presses the top of the side 610, finally, the embroidery frame 600 is clamped by the limiting block 360, the clamping group 330 and the jacking group 340, so that the clamping effect is good, and the embroidery frame 600 is prevented from falling off.

When the frame clamping mechanism needs to loosen the embroidery frame 600 and take the embroidery frame away, the driving member 310 works reversely to drive the connecting rod 350 to operate, the connecting rod 350 pulls the jacking group 340 to rotate, so that the clamping group 330 is loosened, meanwhile, the top of the side 610 of the embroidery frame 600 is loosened, the embroidery frame 600 is pulled out from the clamping arm 200, the clamping group 330 rotates when the embroidery frame is pulled out, and the torsion spring 380 is combined to make the clamping group 330 in an open state, so that the next embroidery frame 600 is conveniently clamped and fixed, and the embroidery frame 600 is conveniently and quickly clamped.

Referring to fig. 3, in order to clamp and fix the embroidery frame 600, the clamping set 330 in this embodiment includes a V-shaped plate 331, a first bearing 332 and a second bearing 333, a pin 370 is sleeved in the middle of the V-shaped plate 331, the first bearing 332 and the second bearing 333 are respectively disposed at two ends of the V-shaped plate 331, and one end of a torsion spring 380 is hooked with the first bearing 332; in an initial state, since the first bearing 332 is hooked with the torsion spring 380, the first bearing 332 disposed at the outer side is in an open state when the embroidery frame 600 is not clamped, when the side 610 of the embroidery frame 600 is inserted into the clamping arm 200, the latching post 620 on the side 610 passes through the first bearing 332 and pushes the second bearing 333, so that the V-shaped plate 331 rotates around the pin 370 as a rotation center, and the first bearing 332 and the second bearing 333 are in the same horizontal line, the latching post 620 is clamped at the middle portion, and the V-shaped plate 331 is pushed by the pushing group 340, so as to clamp the latching post 620, when the embroidery frame 600 is removed, when the embroidery frame 600 is pulled, the latching post 620 on the side 610 of the embroidery frame 600 acts on the first bearing 332, so as to drive the V-shaped plate 331 to rotate, so that the embroidery frame 600 is easily removed, and after the embroidery frame 600 is removed, the first bearing 332 is pulled by the torsion spring 370, the clamping group 330 is in an opened state to facilitate clamping and fixing of the next embroidery frame 600.

Similarly, referring to fig. 3, the pressing set 340 in this embodiment includes a rotating plate 341, a pressing block 342 and a pressing arm 343, one side of one end of the rotating plate 341 is sleeved on the pin 370, the other side is connected to the connecting rod 350, the pressing block 342 is disposed inside the other end of the rotating plate 341 and acts on the V-shaped plate 331, the pressing arm 343 is disposed outside, and one end of the pressing arm 343 away from the rotating plate 341 is provided with a third bearing 344 at its end; when the first bearing 332 and the second bearing 333 clamp the clamping column 620 in the middle, the front and rear positions of the embroidery frame 600 are fixed, the driving member 610 drives the rotating plate 341 to rotate by taking the pin 370 as a rotation center through the connecting rod 350, after the rotation, the top block 342 supports the V-shaped plate 331 to fix the V-shaped plate 331 and prevent the V-shaped plate 331 from rotating, so that the clamping effect of the clamping column 620 is good, meanwhile, the third bearing 344 on the pressing arm 343 presses the top of the side edge 610 to fix the upper and lower positions of the embroidery frame 600, and finally, the front and rear and upper and lower positions of the embroidery frame 600 are fixed through the first bearing 332, the second bearing 333 and the third bearing 344, so that the clamping effect of the embroidery frame 600 is good, and the embroidery frame 600 is prevented from falling.

Referring to fig. 2, since the sidewall 610 of the embroidery frame 600 needs to be inserted from the end of the holding arm 200, in order to facilitate the smooth insertion of the embroidery frame 600, the fourth bearing 400 is disposed at the end of the holding arm 200 away from the adjusting bracket 100, and the embroidery frame 600 is inserted smoothly by the rotation of the fourth bearing 400, and the first bearing 332, the second bearing 333 and the third bearing 344 can also facilitate the insertion and press-fastening of the sidewall 610 of the embroidery frame 600.

Referring to fig. 1, since the embroidery frames 600 have different sizes, in order to allow the frame clamping mechanism to clamp and fix the embroidery frames 600 having different sizes, a plurality of fastening holes 110 are formed at intervals in the adjusting bracket 100, and the clamping arms 200 are respectively fastened to the different fastening holes 110, so that the distance between the two clamping arms 200 can be adjusted, thereby clamping the embroidery frames 600 having different sizes and improving the adaptability of the frame clamping mechanism.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. The present invention can be smoothly implemented by those skilled in the art according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations can be made without departing from the scope of the present invention, which is equivalent to the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims

1. A pneumatic frame clamping mechanism of a computer embroidery machine is characterized in that: the clamping device comprises an adjusting bracket and two clamping arms connected with the adjusting bracket, wherein the two clamping arms are oppositely arranged and are in a clamping shape, and clamping devices are respectively arranged on the two clamping arms;

clamping device includes the driving piece, the fixed plate, the centre gripping group, the roof pressure group, connecting rod and stopper, the driving piece, fixed plate and stopper set up respectively on the lateral wall of centre gripping arm, be provided with the pin on the fixed plate, the pin is located to roof pressure group and centre gripping stack, and use the pin to rotate as rotation center, and roof pressure group acts on the centre gripping group, the both ends of connecting rod then respectively with driving piece and roof pressure group link, it is equipped with the torsional spring still to overlap on the pin, the both ends of torsional spring collude respectively and link the centre gripping group, and the junction of connecting rod and roof pressure group.

2. The pneumatic clamping frame mechanism of the computerized embroidery machine according to claim 1, characterized in that: the centre gripping group includes V template, first bearing and second bearing, and the pin is located to the middle part cover of V template, and the both ends of V template are located to first bearing and second bearing branch, and the one end of torsional spring colludes with first bearing and links to each other.

3. The pneumatic clamping frame mechanism of the computerized embroidery machine according to claim 2, characterized in that: the top pressure group includes rotor plate, kicking block and pressure arm, and the pin is located to one of them side cover of rotor plate one end, and the opposite side then is connected with the connecting rod, and the kicking block setting is in the inboard of the rotor plate other end to act on the V template, the pressure arm then sets up in the outside, and the one end of rotor plate is kept away from to the pressure arm, and its tip is provided with the third bearing.

4. The pneumatic clamping frame mechanism of the computerized embroidery machine as claimed in claim 3, wherein: the centre gripping arm is kept away from the one end of adjusting the support, and its tip is provided with the fourth bearing.

5. The pneumatic clamping frame mechanism of the computerized embroidery machine according to claim 1, characterized in that: the clamping arm is also provided with a sensor, and the sensor is positioned at the position of the limiting block.

6. The pneumatic clamping frame mechanism of the computerized embroidery machine according to claim 1, characterized in that: a plurality of fastening holes are arranged on the adjusting bracket at intervals.