CN215819306U

CN215819306U - Flexible circuit board support

Info

Publication number: CN215819306U
Application number: CN202121812502.6U
Authority: CN
Inventors: 史磊
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-02-11
Anticipated expiration: 2031-08-04

Abstract

The utility model provides a flexible circuit board support belongs to the hot press field. The flexible circuit board support comprises a carrying platform, two supporting pieces and a flexible buffer sheet; the two supporting pieces are respectively positioned at two sides of the carrying platform and are respectively connected with the carrying platform, the supporting pieces are rod-shaped, the two supporting pieces are mutually parallel, and one end of each supporting piece extends out relative to the same side surface of the carrying platform; the flexible buffer sheet is positioned between the two supporting pieces and is respectively connected with the two supporting pieces. Because the flexible buffer piece has the buffering energy-absorbing effect, when placing the flexible buffer piece with flexible circuit board, the in-process that the skew took place for flexible circuit board, flexible buffer piece can be along with flexible circuit board's skew and deformation, can drive flexible circuit board at the in-process that the flexible buffer piece recovers, reduces flexible circuit board's skew degree to make the position that flexible circuit board placed more be close to preset position, be favorable to improving and bind the precision.

Description

Flexible circuit board support

Technical Field

The utility model relates to a hot press field, in particular to flexible circuit board support.

Background

In the manufacturing process of the display panel, the flexible circuit board needs to be bound.

In the binding process, the display panel is placed on the carrying platform, the flexible circuit board is grabbed by the vacuum suction nozzle and placed at the end part of the display panel, and then binding is carried out. In the binding process, because the flexible circuit board is long in length, a support for placing the flexible circuit board is usually arranged at the edge of the carrier for placing the flexible circuit board in order to facilitate the placement of the flexible circuit board.

When the vacuum suction nozzle is released during the placement of the flexible circuit board, the flexible circuit board may slightly shift on the support from a predetermined position, thereby affecting the accuracy of the binding.

SUMMERY OF THE UTILITY MODEL

The embodiment of the disclosure provides a flexible circuit board support, which can improve the binding precision when binding a liquid crystal panel and a flexible circuit board. The technical scheme is as follows:

the embodiment of the disclosure provides a flexible circuit board support, which comprises a carrying platform, two supporting pieces and a flexible buffer sheet;

the two supporting pieces are respectively positioned at two sides of the carrying platform and are respectively connected with the carrying platform, the supporting pieces are rod-shaped, the two supporting pieces are parallel to each other, and one end of each supporting piece extends out relative to the same side surface of the carrying platform;

the flexible buffer sheet is positioned between the two supporting pieces and is respectively connected with the two supporting pieces.

Optionally, the flexible buffer sheet includes a bearing portion and two connecting portions, the bearing portion is located between the two connecting portions, the connecting portions are tubular, and the two connecting portions are respectively sleeved on the two supporting members.

Optionally, the material of the flexible buffer sheet is at least one of polyethylene, polystyrene, polyurethane and polyvinyl chloride.

Optionally, a side wall of the carrier connected with the support member has a convex structure;

the supporting piece is provided with a strip-shaped positioning hole, the strip-shaped positioning hole extends along the length direction of the supporting piece, the strip-shaped positioning hole is sleeved outside the protruding structure, and the supporting piece can move relative to the protruding structure in the length direction.

Optionally, the support is adjustable in length.

Optionally, the support member includes a main rod and an auxiliary rod, one surface of the auxiliary rod has a sliding groove, the sliding groove extends along a length direction of the auxiliary rod, the main rod is partially located in the sliding groove, and one end of the main rod extends out relative to the first end of the sliding groove.

Optionally, the side wall of the sliding chute is provided with a stopping protrusion, and the stopping protrusion is located on one side of the main rod, which is far away from the bottom surface of the sliding chute, and is close to the first end of the sliding chute;

the surface of mobile jib has spacing arch, just spacing arch is located the mobile jib is kept away from one side of the bottom surface of spout, spacing arch is located in the spout, and is located the backstop arch is close to one side of the second end of spout.

Optionally, the support member includes a first fixing rod, a sleeve and a supporting rod, two ends of the sleeve are respectively sleeved outside the first fixing rod and the supporting rod, and are respectively in threaded connection with the first fixing rod and the supporting rod, and the thread turning directions of the first fixing rod and the supporting rod are opposite.

Optionally, the support member includes a second fixed rod and a sliding frame, the sliding frame is slidably connected to the second fixed rod, and the flexible buffer sheet is connected to the two sliding frames.

Optionally, the connecting rod is located between the two supporting members, and two ends of the connecting rod are respectively connected with the two supporting members.

The beneficial effects brought by the technical scheme provided by the embodiment of the disclosure at least comprise:

through adding on the microscope carrier and establishing support piece, connect flexible buffer piece on the support piece, when tying up, display panel places on the microscope carrier, and a part of flexible circuit board is placed at display panel's edge, and another part supports on flexible buffer piece. Because the flexible buffer piece has the buffering energy-absorbing effect, when placing the flexible buffer piece with flexible circuit board, the in-process that the skew took place for flexible circuit board, flexible buffer piece can be along with flexible circuit board's skew and deformation, can drive flexible circuit board at the in-process that the flexible buffer piece recovers, reduces flexible circuit board's skew degree to make the position that flexible circuit board placed more be close to preset position, be favorable to improving and bind the precision.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

Fig. 1 is an assembly schematic diagram of a flexible circuit board support provided by an embodiment of the present disclosure;

FIG. 2 is a schematic view of an assembly of a flexible buffer sheet and a support provided by an embodiment of the present disclosure;

fig. 3 is an assembly diagram of a support and a carrier according to an embodiment of the disclosure;

FIG. 4 is a schematic view of an assembly of a support member provided by an embodiment of the present disclosure;

FIG. 5 is a schematic structural diagram of a support member provided in an embodiment of the present disclosure;

fig. 6 is an assembly schematic diagram of a support provided by an embodiment of the present disclosure.

Detailed Description

To make the objects, technical solutions and advantages of the present disclosure more apparent, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," "third," and similar terms in the description and claims of the present disclosure are not intended to indicate any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, which may also change accordingly when the absolute position of the object being described changes.

Fig. 1 is an assembly schematic diagram of a flexible circuit board support provided by an embodiment of the present disclosure. As shown in fig. 1, the flexible circuit board support includes a carrier 10, two supporting members 20, and a flexible buffer sheet 30. The two supporting members 20 are respectively located at two sides of the carrier 10 and are respectively connected to the carrier 10, the supporting members 20 are rod-shaped, the two supporting members 20 are parallel to each other, and one end of each supporting member extends out of the same side surface of the carrier 10. The flexible buffer sheet 30 is located between the two support members 20, and is connected to each of the two support members 20.

In fig. 1, the display panel 50 and the flexible circuit board 60 are schematically shown by dotted lines, and when the binding is performed, the display panel 50 is located on the carrier 10, the flexible circuit board 60 is partially located on the flexible buffer sheet 30, and a part of the flexible circuit board 60 overlaps the display panel 50 to perform the binding.

The support in the related art is generally a rigid support, the flexible circuit board is light, and when the vacuum suction nozzle is released, the flexible circuit board is affected by gravity, self elasticity, vibration and other factors, so that a small deviation can be generated on the support, and the deviation from a preset position can affect the binding precision. In the embodiment of the disclosure, the supporting piece is additionally arranged on the carrying platform, the flexible buffer sheet is connected to the supporting piece, when the display panel is bound, one part of the flexible circuit board is arranged on the edge of the display panel, and the other part of the flexible circuit board is supported on the flexible buffer sheet. Because the flexible buffer piece has the buffering energy-absorbing effect, when placing the flexible buffer piece with flexible circuit board, the in-process that the skew took place for flexible circuit board, flexible buffer piece can be along with flexible circuit board's skew and deformation, can drive flexible circuit board at the in-process that the flexible buffer piece recovers, reduces flexible circuit board's skew degree to make the position that flexible circuit board placed more be close to preset position, be favorable to improving and bind the precision.

FIG. 2 is a schematic view of an assembly of a flexible buffer sheet and a support provided by an embodiment of the disclosure. As shown in fig. 2, the flexible buffer sheet 30 includes a bearing portion 301 and two connecting portions 302, the bearing portion 301 is located between the two connecting portions 302, the connecting portions 302 are tubular, and the two connecting portions 302 are respectively sleeved outside the two supporting members 20. Because the two connecting portions 302 are directly sleeved on the supporting member 20, the mounting process is simple when the flexible circuit board bracket is mounted.

Optionally, the connecting portion 302 is slidably connected with the support member 20. Through with flexible buffer sheet 30 cover outside support piece 20 to make flexible buffer sheet 30 can slide on support piece 20, thereby can adjust the distance between flexible buffer sheet 30 and the microscope carrier 10, adapt to the requirement of binding of the flexible circuit board of different length.

Optionally, the flexible buffer sheet 30 is foam. For example, the material of the flexible buffer sheet 30 is at least one of polyethylene, polystyrene, polyurethane, and polyvinyl chloride. The buffer material made of the materials has the characteristics of light weight and good energy absorption and resilience performance, and can reduce the cost while meeting the functional requirements due to low price and easy acquisition.

As an example, in the disclosed embodiment, the material of the flexible buffer sheet 20 is polyurethane.

Fig. 3 is an assembly diagram of a support and a carrier according to an embodiment of the disclosure. As shown in fig. 3, the side wall of the carrier 10 connected to the support 20 has a protrusion 101. The supporting member 20 has a strip-shaped positioning hole 201, the strip-shaped positioning hole 201 extends along the length direction of the supporting member 20, the strip-shaped positioning hole 201 is sleeved outside the protruding structure 101, and the supporting member 20 can move relative to the protruding structure 101 in the length direction. Through the cooperation of the strip-shaped positioning holes 201 and the protruding structures 101, the supporting member 20 is kept connected with the carrier 10, and meanwhile, the length of the supporting member 20 extending out of the carrier 10 can be adjusted, so that the distance between the flexible buffer sheet 30 and the carrier 10 can be changed, and the binding requirements of flexible circuit boards with different lengths can be met.

Alternatively, the raised structure 101 may be a set screw or boss. The protruding structures 101 protrude from the side walls of the carrier 10, and the protruding structures 101 are movably inserted into the strip-shaped positioning holes 201 to support the supporting member 20.

Illustratively, in the embodiment of the present disclosure, the protruding structure 101 is a set screw, and a side surface of the stage 10 is provided with a threaded hole, and the set screw is connected to the threaded hole. After the length of the support member 20 extending out of the carrier 10 is adjusted, the support member 20 and the carrier 10 can be locked by tightening the set screw and pressing the support rod 20 against the side surface of the carrier 10 by using the set screw, so that the stability of the support in the binding process is ensured. When needing to be adjusted, only need loosen holding screw can, easy operation, and the connection effect is good.

Optionally, the protruding structure 101 on the same side of the carrier 10 includes at least two set screws, and the arrangement direction of the two set screws is consistent with the length direction of the supporting member 20, so as to ensure the stability of the supporting member 20.

Optionally, the side wall of the carrier 10 connected to the support 20 further has a positioning groove 102, and the extending direction of the positioning groove 102 is the same as the length direction of the support 20. The projection arrangement 101 is located in a detent 102 and the support 20 is located in the detent 102. The positioning grooves 102 can further limit the moving direction of the supporting member 20, so that the supporting member 20 can move only along the length direction of the supporting member 20, and the connection between the supporting member 20 and the stage 10 is more stable.

In some examples, the length of support member 20 is adjustable. By using the support 20 with adjustable length, after the support 20 is connected with the carrier 10, the distance between the flexible buffer sheet 30 and the carrier 10 can be adjusted by adjusting the length of the support 20 to adapt to the binding requirements of flexible circuit boards with different lengths.

As an example, fig. 4 is an assembly schematic diagram of a support provided by the embodiment of the present disclosure. As shown in fig. 4, the support member 20 includes a main rod 211 and a sub-rod 212, one surface of the sub-rod 212 has a sliding slot 213, the sliding slot 213 extends along a length direction of the sub-rod 212, the main rod 211 is partially positioned in the sliding slot 213, and one end of the main rod 211 protrudes relative to a first end 216 of the sliding slot 213. Because the auxiliary rod 212 is movably sleeved on the main rod 211, when the length of the supporting member 20 needs to be adjusted, the length of the supporting member 20 can be adjusted by only pushing and pulling the main rod 211 or the auxiliary rod 212 and adjusting the length of the main rod 211 coinciding with the auxiliary rod 212.

One of the main lever 211 and the sub-lever 212 is connected to the carrier 10, and the other is connected to the flexible buffer sheet 30. For example, in the embodiment of the present disclosure, the end of the main rod 211 extending from the slide groove 213 is connected to the carrier 10, and the sub-rod 212 is connected to the flexible buffer sheet 30.

Optionally, a plurality of anti-slip grooves 217 are uniformly distributed on the surface of the joint of the secondary rod 212 and the flexible buffer sheet 30, and the anti-slip grooves 217 can increase the frictional resistance between the flexible buffer sheet 30 and the secondary rod 212, so that the flexible buffer sheet 30 and the secondary rod 212 are more stably connected.

As shown in the enlarged partial view of fig. 4, the side wall of the sliding slot 213 has a stopping protrusion 214, and the stopping protrusion 214 is located on a side of the main rod 211 away from the bottom surface of the sliding slot 213 and close to the first end 216 of the sliding slot 213. The surface of the main lever 211 has a stopper protrusion 215, and the stopper protrusion 215 is located on a side of the main lever 211 away from the bottom surface of the sliding groove 213. The limiting protrusion 215 is located in the sliding slot 213 and located on a side of the stopping protrusion 214 close to the second end 218 of the sliding slot 213. By arranging the stopping protrusion 214 and the limiting protrusion 215, when the length of the supporting member 20 is adjusted, the main rod 211 and the auxiliary rod 212 are not separated due to too long stretching, and the reliability and stability of the structure are improved.

As an example, fig. 5 is an assembly schematic diagram of a support provided by the embodiment of the present disclosure. As shown in fig. 5, the supporting member 20 includes a first fixing rod 221, a sleeve 222 and a supporting rod 223, two ends of the sleeve 222 are respectively sleeved outside the first fixing rod 221 and the supporting rod 223 and are respectively in threaded connection with the first fixing rod 221 and the supporting rod 223, and the thread directions of the first fixing rod 221 and the supporting rod 223 are opposite. When the length of the supporting member 20 needs to be adjusted, the sleeve 222 is only required to be screwed, and the first fixing rod 221 and the supporting rod 223 can be simultaneously retracted or extended relative to the sleeve 222, so that the length adjustment of the supporting member 20 is realized.

One of the first fixing bar 221 and the support bar 223 is connected to the stage 10, and the other is connected to the flexible buffer sheet 30. By way of example, in the embodiment of the present disclosure, the first fixing rod 221 is connected to the carrier 10, and the supporting rod 223 is connected to the flexible buffer sheet 30.

Optionally, the outer side wall of the support bar 223 has a stop projection 224. The stopping protrusion 224 is located between the area of the support rod 223 with threads and the area for connecting the flexible buffer sheet 30 to limit the moving range of the sleeve 222 and the support rod 223, and when the sleeve 222 is screwed to shorten the length of the support member 20, the stopping protrusion 224 can be shortened to the shortest extent to abut against the end of the sleeve 222, so as to avoid the sleeve 222 from pressing the flexible buffer sheet 30.

Optionally, an end of the first fixing rod 221 away from the supporting rod 223 has a fixing structure 225, and the fixing structure 225 is used for connecting with the carrier 10. By way of example, in the embodiment of the present disclosure, the fixing structure 225 includes a first fixing plate 226 and a second fixing plate 227 that are perpendicular to each other, the first fixing plate 226 has a fixing hole 228, the protruding structure 101 on the side of the carrier 10 is located in the fixing hole 228, the first fixing bar 221 can be movably connected to the carrier 10, and the second fixing plate 227 is connected to the first fixing bar 221.

In some examples, the first fixing bar 221 may also be fixedly connected with the carrier 10.

Fig. 6 is an assembly schematic diagram of a support provided by an embodiment of the present disclosure. As shown in fig. 6, the support member 20 includes a second fixed rod 231 and a sliding frame 232, the sliding frame 232 is slidably connected to the second fixed rod 231, the flexible buffer plate 30 is connected to the two sliding frames 232, and the second fixed rod 231 is connected to the carrier 10. Through setting up carriage 232 and second dead lever 231 sliding connection, only need follow second dead lever 231 slip carriage 232, the distance between adjustment carriage 232, just can change flexible buffer sheet 30 and the microscope carrier 10 for the support can adapt to the demand of binding of the flexible circuit board of different length.

Optionally, the second fixing rod 231 has a positioning hole 233, and the positioning hole 233 is in a strip shape and extends along the length direction of the second fixing rod 231. The sliding frame 232 includes a supporting portion 234 and two fixing portions 235, the supporting portion 234 is located between the two fixing portions 235, the supporting portion 234 is in a straight rod shape, and two ends of the supporting portion 234 are respectively connected to the two fixing portions 235. The two fixing portions 235 are partially located in the positioning holes 233 and can slide along the positioning holes 233. The flexible buffer sheet 30 is sleeved on the supporting portion 234. The supporting portion 234 having a straight rod shape plays a role of supporting the flexible buffer sheet 30, and the fixing portion 235 extends into the positioning hole 233 to play a role of supporting the carriage 232, so that the carriage 232 is connected to the second fixing rod 231.

As shown in fig. 6, the fixing portion 235 includes a first segment 236 and a second segment 237, and the first segment 236 and the second segment 237 are connected to each other to form an L-shape. The first segment 236 is inserted into the positioning hole 233, one end of the second segment 237 is connected to the supporting portion 234, and the included angle between the second segment 237 and the supporting portion 234 is greater than 0 °.

The outer sidewall of the first segment 236 has a stop protrusion 238, and the stop protrusion 238 is located at a side of the second fixing lever 231 adjacent to the second segment 237. A lock nut 239 is externally connected to the first segment 236, and the lock nut 239 is located on a side of the second fixing rod 231 remote from the stop protrusion 238. After the lock nut 239 is loosened, the carriage 232 can slide along the positioning hole 233, and after the lock nut 239 is tightened, the carriage 232 can be locked with the second fixing rod 231.

The second fixing bar 231 shown in fig. 6 may be connected to the stage 10 in the same manner as the support member 20 shown in fig. 3 is connected to the stage 10. The positioning hole 233 functions in the same manner as the strip-shaped positioning hole 201 shown in fig. 3 when connection is performed.

In some examples, the second fixing bar 231 may also be fixedly connected with the stage 10.

Referring to fig. 1, the flexible circuit board support further includes a connection bar 40, the connection bar 40 is located between the two support members 20, and both ends of the connection bar 40 are connected to the two support members 20, respectively. Through setting up connecting rod 40 and connecting two support piece 20, can realize the relatively fixed between two support piece 20, avoided when adjustment flexible circuit board support length, two support piece 20's length is inconsistent, leads to flexible buffer sheet 30 to take place to warp, influences the support effect of support. Meanwhile, the connecting rod 40 is arranged, so that when the length of the support is adjusted, the lengths of the two supporting rods 20 can be adjusted simultaneously by pushing and pulling the connecting rod 40, and the operation difficulty is reduced.

The above description is intended to be exemplary only and not to limit the present disclosure, and any modification, equivalent replacement, or improvement made without departing from the spirit and scope of the present disclosure is to be considered as the same as the present disclosure.

Claims

1. A flexible circuit board support is characterized by comprising a carrier (10), two supporting pieces (20) and a flexible buffer sheet (30);

the two supporting pieces (20) are respectively positioned at two sides of the carrying platform (10) and are respectively connected with the carrying platform (10), the supporting pieces (20) are rod-shaped, the two supporting pieces (20) are parallel to each other, and one end of each supporting piece extends out relative to the same side surface of the carrying platform (10);

the flexible buffer sheet (30) is positioned between the two supporting pieces (20) and is respectively connected with the two supporting pieces (20).

2. The flexible circuit board support according to claim 1, wherein the flexible buffer sheet (30) comprises a bearing portion (301) and two connecting portions (302), the bearing portion (301) is located between the two connecting portions (302), the connecting portions (302) are tubular, and the two connecting portions (302) are respectively sleeved outside the two supporting members (20).

3. The flexible circuit board support according to claim 2, wherein the material of the flexible buffer sheet (30) is at least one of polyethylene, polystyrene, polyurethane, and polyvinyl chloride.

4. The flexible circuit board support according to claim 1, characterized in that the side walls of the carrier (10) connected to the support (20) have a raised structure (101);

the supporting part (20) is provided with a strip-shaped positioning hole (201), the strip-shaped positioning hole (201) extends along the length direction of the supporting part (20), the strip-shaped positioning hole (201) is sleeved outside the protruding structure (101), and the supporting part (20) can move relative to the protruding structure (101) in the length direction.

5. Flexible circuit board support according to any one of claims 1 to 4, characterized in that the length of the support element (20) is adjustable.

6. The flexible circuit board support according to claim 5, wherein the support member (20) comprises a main rod (211) and a sub-rod (212), one surface of the sub-rod (212) has a sliding slot (213), the sliding slot (213) extends along a length direction of the sub-rod (212), the main rod (211) is partially located in the sliding slot (213), and one end of the main rod (211) protrudes relative to a first end (216) of the sliding slot (213).

7. The flexible circuit board support according to claim 6, wherein the side wall of the chute (213) has a stopper protrusion (214), the stopper protrusion (214) is located on a side of the main lever (211) away from the bottom surface of the chute (213) and near the first end of the chute (213);

the surface of the main rod (211) is provided with a limiting protrusion (215), the limiting protrusion (215) is positioned on one side, away from the bottom surface of the sliding groove (213), of the main rod (211), the limiting protrusion (215) is positioned in the sliding groove (213) and is positioned on one side, close to the second end (218) of the sliding groove (213), of the stopping protrusion (214).

8. The flexible circuit board support of claim 5, wherein the supporting member (20) comprises a first fixing rod (221), a sleeve (222) and a supporting rod (223), two ends of the sleeve (222) are respectively sleeved outside the first fixing rod (221) and the supporting rod (223) and are respectively in threaded connection with the first fixing rod (221) and the supporting rod (223), and the thread directions of the first fixing rod (221) and the supporting rod (223) are opposite.

9. The flexible circuit board support according to any one of claims 1 to 4, wherein the support member (20) comprises a second fixing bar (231) and a sliding frame (232), the sliding frame (232) is slidably connected with the second fixing bar (231), and the flexible buffer sheet (30) is connected with the two sliding frames (232).

10. The bracket for the flexible circuit board according to any one of claims 1 to 4, further comprising a connecting rod (40), wherein the connecting rod (40) is located between the two supporting members (20), and both ends of the connecting rod (40) are respectively connected with the two supporting members (20).