CN213093174U

CN213093174U - Expansion device for flexible film

Info

Publication number: CN213093174U
Application number: CN202021881898.5U
Authority: CN
Inventors: 毛小玉; 董鹏飞; 唐政; 高云峰
Original assignee: Han's Precision Mechatronics Co ltd; Han s Laser Technology Industry Group Co Ltd
Current assignee: Han's Precision Mechatronics Co ltd; Han s Laser Technology Industry Group Co Ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-04-30
Anticipated expiration: 2030-09-02

Abstract

The utility model provides an expansion device of a flexible film, which comprises an expansion disc; the disc hoop is arranged on the expansion disc, and a material port for feeding or discharging the flexible film is formed in the disc hoop; and the lifting driving assembly is used for driving the disk hoop to be close to the expansion disk so that the expansion disk is abutted against the flexible film, or driving the disk hoop to be far away from the expansion disk so that the expansion disk is separated from the flexible film. The utility model provides an expansion device of flexible film, when needs feeding or the ejection of compact, only need be fixed in the flexible film on the stereoplasm ring insert from the material mouth or dial out from the material mouth can, its location is accurate, feeding and ejection of compact operation are very simple and convenient, work efficiency has effectively been improved, and the expansion of flexible film has been realized, follow-up frock is greatly made things convenient for and the material operation is got, the problem of prior art because firm in adhesion and the difficult fixed chip of flexible film between flexible film and the chip lead to plucking the chip difficulty has effectively been solved.

Description

Expansion device for flexible film

Technical Field

The utility model belongs to the technical field of solid brilliant machine, more specifically say, relate to an expansion device of flexible film.

Background

In the packaging process of the diode, the chip is attached between the upper and lower sheets of the diode, which is a very important process. The chip is usually supplied by adhering to the flexible film, and the chip needs to be removed from the flexible film before mounting. The attachment between the flexible film and the chip is sometimes very firm and, due to the flexibility of the film, is not easily fixed, thereby making it difficult to pick up the chip.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an expansion device of flexible film to solve among the prior art because the firm and flexible film of adhesion between flexible film and the chip is difficult for fixing the technical problem who leads to picking the chip difficulty.

In order to achieve the above object, the utility model adopts the following technical scheme: there is provided a stent for a flexible membrane, comprising:

an expansion disc;

the disc hoop is arranged on the expansion disc, and a material port for feeding or discharging the flexible film is formed in the disc hoop; and the number of the first and second groups,

and the lifting driving assembly is used for driving the disk hoop to be close to the expansion disk so that the expansion disk is abutted against the flexible film, or driving the disk hoop to be far away from the expansion disk so that the expansion disk is separated from the flexible film.

Furthermore, a through hole which is communicated up and down is formed in the middle of the disk hoop, a clamping groove which is used for supporting and limiting the flexible film is formed in the side wall of the disk hoop, and the clamping groove is communicated with the through hole.

Further, the expansion disc comprises a disc body and a boss extending out of the disc body, and the boss can penetrate through the through hole to abut against the flexible film.

Further, the disk hoop comprises a bottom ring piece and a top ring piece connected with the bottom ring piece, and the clamping groove is formed between the bottom ring piece and the top ring piece.

Further, the disk hoop is provided with a limit baffle for preventing the flexible film from continuously moving after being fed in place.

Further, the disk hoop is provided with a limiting shaft for preventing the flexible film from rotating.

Furthermore, the lifting driving assembly comprises a driving device and a transmission device in transmission connection with the driving device, the transmission device comprises a lead screw and a lead screw nut in threaded connection with the lead screw, the lead screw is fixedly connected with the disk hoop, and the lead screw nut is fixedly connected with the expansion disk; or the screw rod is fixedly connected with the expansion disc, and the screw rod nut is fixedly connected with the disc hoop.

Furthermore, the transmission device also comprises a plurality of synchronous pulleys and a synchronous belt in transmission connection with each synchronous pulley, and each synchronous pulley is distributed along the circumferential direction of the expansion disc; or, the synchronous pulleys are distributed along the circumferential direction of the disk hoop.

Furthermore, the driving device comprises a driving mechanism, a first driving wheel in transmission connection with the driving mechanism and a second driving wheel coaxially fixed with the first driving wheel, and the second driving wheel is in transmission connection with the synchronous belt.

Further, the driving mechanism is a motor or a manual operation handle.

The utility model provides an expansion device of flexible film's beneficial effect lies in: compared with the prior art, the expansion device of the flexible film of the utility model is provided with the expansion disc and the disc hoop, the disc hoop is provided with the material port for feeding or discharging the flexible film, when feeding or discharging is needed, the flexible film fixed on the hard ring only needs to be inserted into or pulled out from the material port, the positioning is accurate, the feeding and discharging operation is very simple and convenient, and the working efficiency is effectively improved; and the cooperation sets up lift drive assembly, utilizes lift drive assembly drive plate hoop to be close to with the expansion dish to make the expansion dish support flexible film, and then realized flexible film's expansion, greatly made things convenient for follow-up frock to get the material operation, effectively solved prior art because the firm and difficult fixed problem that leads to picking the chip difficulty of adhering to between flexible film and the chip.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic perspective view of an expanding device for a flexible film according to an embodiment of the present invention;

fig. 2 is an exploded view of an expanding device for a flexible film according to an embodiment of the present invention;

fig. 3 is a schematic view of an expansion device for a flexible film according to an embodiment of the present invention in use;

fig. 4 is a schematic perspective view of a disk hoop used in the embodiment of the present invention;

fig. 5 is a schematic view of another angular three-dimensional structure of the disk hoop used in the embodiment of the present invention;

fig. 6 is an exploded view of the disk hoop according to the embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-expansion disc; 11-a tray body; 12-a boss; 20-a disc hoop; 201-material port; 202-a limit baffle; 203-a via hole; 204-card slot; 205-a limiting shaft; 21-bottom ring piece; 22-top ring sheet; 30-a lift drive assembly; 31-a drive device; 311-a first drive wheel; 312-a second drive wheel; 32-a transmission; 321-a synchronous pulley; 322-a synchronous belt; 324-a screw rod; 100-a flexible film; 200-chip.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 4, an expanding device for a flexible film according to the present invention will be described. The utility model provides an expansion device of flexible film, including expansion dish 10, dish hoop 20 and lift drive assembly 30. The disk hoop 20 is arranged on the expansion disk 10, a material opening 201 is arranged on the disk hoop 20, and the flexible film 100 is fed or discharged from the material opening 201. Wherein, because flexible film 100 is too soft, inconvenient feeding, consequently before the feeding, can be fixed in on a stereoplasm ring (for example can be metal rings such as steel ring or stainless steel ring) with the periphery adhesion of flexible film 100 earlier, and then play the effect of supporting flexible film 100, make things convenient for feeding and ejection of compact, and fixed easily, can not shift easily, the location is accurate. When needs feeding or ejection of compact, only need be fixed in flexible film 100 on the stereoplasm ring insert from material mouth 201 or dial out from material mouth 201 can, its feeding is very simple and convenient with ejection of compact operation, has effectively improved work efficiency.

The lifting driving assembly 30 is used for driving the disc hoop 20 to be close to the expansion disc 10, so that the expansion disc 10 abuts against the flexible film 100, the flexible film 100 is expanded, and subsequent tools can take materials conveniently. This lift drive assembly 30 still is used for driving the dish hoop 20 and expands and coil 10 and keep away from to make expansion dish 10 and flexible film 100 separate, after the material is got completely, through lift drive assembly 30 drive dish hoop 20 and expansion dish 10 separation, thereby can take out from material mouth 201 with getting flexible film 100 after the material, it is very simple and convenient to use.

Compared with the prior art, the flexible film expanding device provided by the utility model has the advantages that by arranging the expanding disc 10 and the disc hoop 20, the disc hoop 20 is provided with the material port 201 for feeding or discharging the flexible film 100, when feeding or discharging is needed, the flexible film 100 fixed on the hard ring only needs to be inserted into the material port 201 or pulled out of the material port 201, the positioning is accurate, the feeding and discharging operations are very simple and convenient, and the working efficiency is effectively improved; and the cooperation sets up lift drive assembly 30, utilizes lift drive assembly 30 drive plate hoop 20 to be close to with expansion dish 10 to make expansion dish 10 support flexible film 100, and then realized flexible film 100's expansion, greatly made things convenient for follow-up frock to get the material operation, effectively solved prior art because the firm and difficult fixed problem that leads to picking chip 200 difficulty of adhering to between flexible film 100 and the chip 200 of adhering to.

Further, referring to fig. 4 to fig. 6, as a specific embodiment of the expanding device for flexible thin film provided by the present invention, a through hole 203 is formed at the middle position of the disk hoop 20 and is vertically through, a clamping groove 204 is formed on the side wall of the disk hoop 20, and the clamping groove 204 is communicated with the through hole 203. When the flexible film 100 fixed on the hard ring is fed from the material opening 201, the hard ring is just clamped in the clamping groove 204 at the moment, and the position of the flexible film 100 adhered with the chip 200 is just positioned in the through hole 203, so that the subsequent process is facilitated. Due to the arrangement of the clamping groove 204, after the flexible film 100 fixed on the hard ring is inserted from the material opening 201, the hard ring can abut against the bottom surface of the clamping groove 204, the clamping groove 204 plays a role in supporting the flexible film 100, and when the expansion disc 10 abuts against the flexible film 100, the top surface of the clamping groove 204 can limit the flexible film 100, so that the flexible film 100 is prevented from being ejected or displaced by the expansion disc 10. Specifically, the height of the clamping groove 204 is greater than the thickness of the hard ring, so that the flexible film 100 fixed on the hard ring can be smoothly fed or discharged. Preferably, the height of the locking groove 204 is set to be twice of the thickness of the hard ring, which not only allows easy and smooth feeding or discharging, but also avoids the need for a large stroke of the expansion disc 10 during the expansion operation.

Further, referring to fig. 1 to 2, as an embodiment of the expanding device for a flexible film provided by the present invention, the expanding tray 10 includes a tray body 11 and a boss 12 extending from the tray body 11 and used for supporting against the flexible film 100. When it is desired to expand the flexible film 100, the bosses 12 can pass through the through holes 203 and abut against the flexible film 100, so as to jack up the flexible film 100 to stretch the flexible film 100. Preferably, the boss 12 and the tray body 11 are integrally formed and connected, and the process is simple.

Further, referring to fig. 4 to 6, as a specific embodiment of the expanding device for a flexible film provided by the present invention, the disk hoop 20 includes a bottom ring piece 21 and a top ring piece 22 connected to the bottom ring piece 21, the above-mentioned slot 204 is formed between the bottom ring piece 21 and the top ring piece 22, and the structure is very simple and the installation is simple and convenient. Specifically, a connecting member for connecting and fixing the side edge of the bottom ring piece 21 extends downward from the side edge of the top ring piece 22, and the top ring piece 22 is connected with the bottom ring piece through the connecting member, so that a gap is formed between the bottom ring piece 21 and the top ring piece 22, and the gap is the above-mentioned clamping groove 204. The height of the clamping groove 204 is adjusted by adjusting the size of the gap between the bottom ring piece 21 and the top ring piece 22, so that the clamping groove 204 can be suitable for flexible films with different thicknesses, and the compatibility is better.

Further, referring to fig. 4 to 6, as a specific embodiment of the expanding device for flexible film provided by the present invention, the disk hoop 20 is provided with a limit baffle 202, and the limit baffle 202 is used to prevent the flexible film 100 from moving after feeding in place, so as to make the positioning accurate. Preferably, the limit stop 202 is disposed on a side of the disk hoop 20 away from the material opening 201, and when the flexible film 100 is fed in place, an edge of the hard ring on the flexible film 100 just contacts the limit stop 202 to prevent further forward movement.

Further, referring to fig. 4 to 6 together, as an embodiment of the expanding device for a flexible film provided by the present invention, the disk hoop 20 is provided with a limiting shaft 205 for preventing the flexible film 100 from rotating. The edge of this stereoplasm ring is provided with concave position (not shown in the figure), and after flexible film 100 fed the target in place, spacing axle 205 can block with the concave position at stereoplasm ring edge this moment, and then chucking flexible film 100 avoids flexible film 100 to take place to rotate along the circumferencial direction to can realize flexible film 100's location fast accurately.

Further, referring to fig. 1 to 2, as an embodiment of the expanding device for a flexible film provided by the present invention, the lifting driving assembly 30 includes a driving device 31 and a transmission device 32 in transmission connection with the driving device 31. The driving device 31 drives the transmission device 32 to realize the approaching or separating of the disk hoop 20 and the expansion disk 10. It should be noted that the arrangement of the lifting driving assembly 30 is not limited to this, for example, in other preferred embodiments of the present invention, a linear driving device may be directly provided without an additional transmission device, and the linear driving device directly drives the disk hoop 20 to move toward or away from the expansion disk 10 or drives the expansion disk 10 to move toward or away from the disk hoop 20, which can also achieve the approaching or departing of the disk hoop 20 and the expansion disk 10. For example, the disc hoop 20 or the expansion disc 10 can be directly driven to move up and down by arranging an air cylinder or a linear motor. Of course, a rotation driving device may be provided, and the driving force of the rotation driving device may be converted into the ascending and descending movement of the disk hoop 20 or the expansion disk 10 by a transmission mechanism such as a rack and pinion.

Specifically, in one embodiment of the present invention, the transmission device 32 includes a screw rod 324 and a screw nut (not shown) screwed with the screw rod 324, the expansion plate 10 is fixedly disposed, the plate hoop 20 is movably disposed, and the driving device 31 is lifted up and down by driving the plate hoop 20, so as to approach or separate the plate hoop 20 from the expansion plate 10. Specifically, the screw 324 is fixedly connected to the disk hoop 20, and the screw nut is fixedly connected to the expansion disk 10. When the driving device 31 is started, the lead screw nut in transmission connection with the driving device 31 can be driven, and because the lead screw nut is fixed on the expansion disc 10, the lead screw nut cannot rotate at the moment, so that the lead screw 324 matched with the lead screw nut performs lifting motion, and the lead screw 324 simultaneously drives the disc hoop 20 fixedly connected with the lead screw nut to perform lifting motion, thereby realizing that the disc hoop 20 moves along the direction close to or far away from the expansion disc 10. Through the cooperation of lead screw 324 and screw-nut for the operation of going up and down is steady, and the cooperation of lead screw and screw-nut can play spacing effect, prevents to appear the skew in the operation process, has improved the motion accuracy.

Preferably, the transmission device 32 further includes a plurality of synchronous pulleys 321 and a synchronous belt 322 drivingly connected to each synchronous pulley 321, and each synchronous pulley 321 is disposed along the circumferential direction of the expansion disk 10. Preferably, the lead screw nuts are coaxially connected and fixed with the synchronous pulleys 321, and the number of the lead screw nuts may be set to be the same as the number of the synchronous pulleys 321, and each lead screw nut is coaxially connected and fixed with the corresponding synchronous pulley 321. The synchronous belt wheel 321 is used for driving the screw rod nut 322 to synchronously rotate, and by utilizing the matching of the synchronous belt 322 and the synchronous belt wheel 321, each synchronous belt wheel 321 can be driven by the same driving device 31, so that the synchronous rotation of the screw rod nut is realized, the synchronous lifting of each screw rod 324 is realized, the operation is stable, and the problems of asynchronous movement and low movement accuracy of each screw rod 321 caused by adopting different driving devices to respectively drive are solved. Of course, the number of the lead screw nuts may also be set to be different from the number of the synchronous pulleys 321, for example, the number of the lead screw nuts may be less than that of the synchronous pulleys 321, at this time, the lead screw nuts may be fixed on the synchronous pulleys 321 corresponding thereto, it may be implemented that a part of the synchronous pulleys 321 drives the lead screw nuts to rotate synchronously, a part of the synchronous pulleys 321 is not provided with the lead screw nuts correspondingly, which only plays a role of transmitting the synchronous belt 322, and the more the number of the synchronous pulleys 321 is set, the more the shape of the synchronous belt 322 tends to be circular, and the transmission thereof is smoother and without jamming. In other embodiments, the part of the synchronous pulley 321 without the screw nut may also be provided with a limiting component to guide and limit the movement of the hoop and the expansion disc toward or away from each other.

In another embodiment of the present invention, the expansion plate 10 is movably disposed, the plate hoop 20 is fixedly disposed, and the driving device 31 drives the expansion plate 10 to move up and down, so as to approach or keep away the plate hoop 20 and the expansion plate 10. The structure in this embodiment is substantially the same as that in the above embodiment, except that: in this embodiment, the lead screw 324 is fixedly connected to the expansion disk 10, and the lead screw nut is fixedly connected to the disk clamp 20. When the driving device 31 is started, the driving device 31 can drive the lead screw nut, and since the lead screw nut is fixed on the disk hoop 20, the lead screw nut cannot rotate at the moment, so that the lead screw 324 matched with the lead screw nut is lifted, the lead screw 324 drives the expansion disk 10 fixedly connected with the lead screw nut to move up and down, and the expansion disk 10 moves in a direction close to or far away from the disk hoop 20. In this embodiment, the timing pulleys 321 are arranged in a circumferential direction of the disk band 20.

In another embodiment of the present invention, of course, the driving device 31 can also directly drive the screw rod 324 to rotate, and the screw rod 324 drives the screw nut to move up and down along the screw rod 324, so as to drive the expansion disc 10 or the disc hoop 20 connected with the screw nut to move up and down, which can also realize the approaching or departing of the expansion disc 10 or the disc hoop 20.

Further, as the utility model provides a flexible film's expanding unit's a specific implementation way, lead screw 324 is trapezoidal lead screw, and it can realize good self-locking function, and the precision is high, and the maintenance cost is low.

Further, referring to fig. 1 to fig. 2, as an embodiment of the expanding device for a flexible film provided by the present invention, the driving device 31 includes a driving mechanism (not shown), a first driving wheel 311 connected to the driving mechanism in a driving manner, and a second driving wheel 312 coaxially fixed to the first driving wheel 311, and the synchronous belt 322 is connected to the second driving wheel 312 in a driving manner. The first driving wheel 311 is driven to rotate by the driving mechanism, the first driving wheel 311 drives the second driving wheel 312 to drive, and the synchronous belt 322 drives the synchronous belt wheel 321 to synchronously rotate, so that the lifting of the screw rod 324 is realized. The driving force of the driving mechanism is transmitted to the synchronous belt 322 by arranging the first driving wheel 311 and the second driving wheel 312, so that the situation that the driving mechanism and the synchronous belt 322 are directly driven by the same driving wheel to generate motion interference due to the fact that one driving wheel is independently arranged can be avoided. Preferably, the first driving wheel 311 and the second driving wheel 312 are stacked up and down, which can effectively save space and improve space utilization.

Further, please refer to fig. 1 to fig. 2 together, as a specific embodiment of the expanding device for the flexible film provided by the present invention, the driving mechanism is a motor, thereby realizing the automation of the expansion of the flexible film 100 by utilizing the motor driving, effectively improving the working efficiency, and saving time and labor. It should be noted that the driving mechanism is not limited to this, for example, in other preferred embodiments of the present invention, the driving mechanism can also be a manual operating handle, and the manual operating handle drives the first driving wheel 311 to rotate, which can also realize the lifting motion of the screw rod 324.

The working process of the expanding flexible film 100 of the present invention is as follows:

firstly, pushing the flexible film 100 fixed on the hard ring into the material opening 201 of the disk hoop 20, and clamping the hard ring in the clamping groove 204, wherein the position of the flexible film 100 adhered with the chip 200 is just positioned in the through hole 203 of the disk hoop 20;

then, the lifting driving assembly 30 drives the disk hoop 20 to approach the expansion disk 10, and when the expansion disk 10 abuts against the flexible film 100, the driving is stopped, so that the expansion of the flexible film 100 is realized, and the subsequent material taking work is facilitated;

after the material is taken out, accessible lift drive assembly 30 back drive for the dish hoop 20 is kept away from gradually with expansion dish 10, and then makes expansion dish 10 and flexible film 100 separation, can dial out flexible film 100 from material mouth 201 this moment, and its feeding is very simple and convenient with ejection of compact operation, has realized flexible film 100's automatic expansion, effectively improves work efficiency.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Expansion device of flexible film, its characterized in that: the method comprises the following steps:

an expansion disc;

2. The flexible film stent of claim 1, wherein: the middle position of the disk hoop is provided with a through hole which is communicated up and down, the side wall of the disk hoop is provided with a clamping groove which is used for supporting and limiting the flexible film, and the clamping groove is communicated with the through hole.

3. The flexible film stent of claim 2, wherein: the expansion disc comprises a disc body and a boss extending out of the disc body, and the boss can penetrate through the through hole to abut against the flexible film.

4. The flexible film stent of claim 2, wherein: the disc hoop comprises a bottom ring piece and a top ring piece connected with the bottom ring piece, and the clamping groove is formed between the bottom ring piece and the top ring piece.

5. The flexible film stent of claim 1, wherein: the disc hoop is provided with a limiting baffle plate for preventing the flexible film from continuously moving after being fed in place.

6. The flexible film stent of claim 1, wherein: the disk hoop is provided with a limiting shaft for preventing the flexible film from rotating.

7. An expanding device of a flexible film according to any of claims 1 to 6, wherein: the lifting driving assembly comprises a driving device and a transmission device in transmission connection with the driving device, the transmission device comprises a lead screw and a lead screw nut in threaded connection with the lead screw, the lead screw is fixedly connected with the disc hoop, and the lead screw nut is fixedly connected with the expansion disc; or the screw rod is fixedly connected with the expansion disc, and the screw rod nut is fixedly connected with the disc hoop.

8. The flexible film stent of claim 7, wherein: the transmission device also comprises a plurality of synchronous belt wheels and synchronous belts in transmission connection with the synchronous belt wheels, and the synchronous belt wheels are distributed along the circumferential direction of the expansion disc; or, the synchronous pulleys are distributed along the circumferential direction of the disk hoop.

9. The flexible film stent of claim 8, wherein: the driving device comprises a driving mechanism, a first driving wheel in transmission connection with the driving mechanism and a second driving wheel coaxially fixed with the first driving wheel, and the second driving wheel is in transmission connection with the synchronous belt.

10. The flexible film stent of claim 9, wherein: the driving mechanism is a motor or a manual operation handle.