CN215683127U

CN215683127U - Non-plate edge flat-pasting type fixing tool

Info

Publication number: CN215683127U
Application number: CN202121376622.6U
Authority: CN
Inventors: 熊建生
Original assignee: Anhui Kafu Optoelectronic Technology Co ltd
Current assignee: Anhui Kafu Optoelectronic Technology Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2022-01-28
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a plate-edge-free flat-pasting type fixing tool which comprises a supporting bottom plate, a blocking edge, a moving limiting mechanism, a supporting mechanism and a sliding limiting mechanism, wherein the blocking edge is arranged around the top of the supporting bottom plate; the movable limiting mechanism is arranged at the bottom of the supporting bottom plate and comprises a limiting block which is arranged in the through groove in a sliding manner, and the sliding limiting mechanisms are arranged on two sides of the bottom of the supporting bottom plate; the supporting mechanism is arranged below the supporting base plate, the circuit board is placed on the supporting base plate during use, the first cross rod is moved to enable the first cross rod to drive the limiting block to move towards the edge of the circuit board, the stud is screwed to enable the top end of the stud to be tightly extruded on the flat notch, and therefore fixing of the position of the circuit board is achieved, meanwhile, the edge of the circuit board is widened equivalently, and the problem that influence is caused to a motion path due to a track of a chip mounter in the process of chip mounting of the borderless circuit board is solved.

Description

Non-plate edge flat-pasting type fixing tool

Technical Field

The utility model relates to a fixing tool, in particular to a non-plate-edge flat-pasting type fixing tool, and belongs to the technical field of circuit board production and processing.

Background

When the circuit board is produced and processed, in the process of SMT (surface mount technology) chip mounting on the borderless printed circuit board, the track of the chip mounter interferes with the chip mounting, and the SMT refers to chip mounting packaging. The borderless printed circuit board means that the distance between a component arranged close to the edge on the circuit board and the edge is less than 5mm, and under the condition, when the circuit board is sent into a chip mounter to carry out chip mounting processing, the track of the fixed circuit board can influence the motion path of the chip mounter in the chip mounting process, so that the chip mounting failure is caused.

Therefore, a fixing jig for a borderless circuit board needs to be designed to solve the problems encountered when the borderless circuit board is mounted on a chip.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fixing tool without plate edge flat pasting.

The purpose of the utility model can be realized by the following technical scheme: a non-plate-edge flat-pasting type fixing tool comprises a supporting bottom plate, a blocking edge, a moving limiting mechanism and a supporting mechanism, wherein the blocking edge is arranged around the top of the supporting bottom plate, and the top of the supporting bottom plate is provided with a plurality of parallel through grooves; the movable limiting mechanism is arranged at the bottom of the supporting bottom plate and comprises a limiting block which is arranged in the through groove in a sliding manner, and the sliding limiting mechanisms are arranged on two sides of the bottom of the supporting bottom plate; the supporting mechanism is arranged below the supporting bottom plate.

Further, the thickness of the blocking edge is 3.5 mm.

Furthermore, a non-woven fabric layer is arranged on the top of the blocking edge.

Further, remove stop gear and include the guide pillar, the guide pillar is for being on a parallel with logical groove setting, the both ends of guide pillar are all through the fixed bottom that sets up at the supporting baseplate of mounting panel, sliding sleeve is equipped with the sliding ring on the guide pillar, the both sides of sliding ring are all fixed and are provided with first horizontal pole, the fixed stopper that is provided with in top of first horizontal pole, the stopper all runs through logical groove, the height at stopper top equals to keep off along the height at top, the bottom of guide pillar is provided with the flat notch, the threaded hole has been seted up to the bottom of sliding ring, screw hole female connection has the double-screw bolt.

Further, the sliding limiting mechanism comprises a guide sliding rail, the guide sliding rail is fixedly arranged at the bottom of the supporting base plate, the guide sliding rail is arranged on two sides of the upper portion of the first cross rod, a guide sliding groove is formed in the bottom of the guide sliding rail, a sliding block is arranged in the guide sliding groove in a sliding mode, and the sliding block is fixedly arranged at the top of the first cross rod.

Further, the supporting mechanism comprises a base plate, a plurality of base plates are symmetrically arranged below the supporting base plate, and the base plates are fixedly connected with the supporting base plate through supporting columns.

Further, the bottom of backing plate is fixed and is provided with the rubber pad.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the movable limiting mechanism is arranged, when the device is used, the circuit board is placed on the supporting bottom plate, the first cross rod is moved to drive the limiting block to move towards the edge of the circuit board, the stud is screwed to enable the top end of the stud to be tightly extruded on the flat notch, so that the position of the circuit board is fixed, and meanwhile, the edge of the circuit board is widened, so that the problem that the movement path is influenced by a track of a chip mounter in the process of mounting the borderless circuit board is solved;

2. according to the utility model, by arranging the sliding limiting mechanism, when the first cross rod in the moving limiting mechanism moves, the sliding block on the first cross rod can slide in the guide sliding groove on the guide sliding rail, so that the first cross rod cannot deviate in position during moving, the moving is more stable, and the whole jig is more durable.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic overall perspective view of the present invention;

FIG. 2 is a schematic bottom view of the present invention;

FIG. 3 is a side view of the present invention;

FIG. 4 is a schematic structural view of part A of the present invention;

FIG. 5 is a schematic structural view of part B of the present invention;

fig. 6 is a schematic structural view of part C of the present invention.

In the figure: 1. a support base plate; 101. a through groove; 102. blocking edges; 103. a non-woven fabric layer; 2. a marker; 301. a limiting block; 302. a first cross bar; 303. a second cross bar; 304. flat cutting; 305. mounting a plate; 306. a guide post; 307. a rotating member; 308. a stud; 309. a threaded hole; 310. a slip ring; 401. a support pillar; 402. a base plate; 403. a rubber pad; 501. a slider; 502. a guide chute; 503. a guide rail.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, a non-plate edge flat-attaching type fixing tool includes a supporting base plate 1, a blocking edge 102 is arranged around the top of the supporting base plate 1, a non-woven fabric layer 103 is arranged on the top of the blocking edge 102, the non-woven fabric layer 103 is fixedly bonded on the blocking edge 102 through an adhesive, the thickness of the blocking edge 102 is 3.5mm, the supporting base plate 1 and the blocking edge 102 are integrally formed, a marker 2 is fixedly arranged at one corner of the top of the blocking edge 102, the marker 2 is arranged to facilitate a person to identify the front and back positions of the supporting base plate 1, the marker 2 is a common block, a plurality of parallel through grooves 101 are formed in the top of the supporting base plate 1, and a preferable design is that the through grooves 101 are arranged at equal intervals;

the bottom of the supporting base plate 1 is provided with a movable limiting mechanism, the movable limiting mechanism comprises a guide post 306, the guide post 306 is arranged in parallel to the through groove 101, two ends of the guide post 306 are fixedly arranged at the bottom of the supporting base plate 1 through a mounting plate 305, a sliding ring 310 is sleeved on the guide post 306 in a sliding manner, first cross rods 302 are fixedly arranged on two sides of the sliding ring 310, a limiting block 301 is fixedly arranged at the top of each first cross rod 302, the limiting block 301 penetrates through the through groove 101, the top of the limiting block 301 is higher than or equal to the top of the retaining edge 102, a flat notch 304 is arranged at the bottom of the guide post 306, a threaded hole 309 is formed in the bottom of the sliding ring 310, a threaded stud 308 is connected with the threaded hole 309 in a threaded manner, a rotating piece 307 is arranged at the bottom of the threaded stud 308, the rotating piece 307 is arranged to facilitate a user to rotate the threaded stud 308, and another group of second cross rods 303 is further arranged at the bottom of the supporting base plate 1, the second cross bar 303 is also arranged on the guide post 306 in a sliding way through a sliding ring 310, and the shape and the configuration of the second cross bar 303 are the same as those of the first cross bar 302;

the bottom both sides of supporting baseplate 1 are provided with slip stop gear, slip stop gear is including leading slide rail 503, lead the fixed bottom that sets up at supporting baseplate 1 of slide rail 503, lead slide rail 503 and set up the top both sides at first horizontal pole 302, the bottom of leading slide rail 503 has been seted up and has been led spout 502, it is provided with slider 501 to slide in the spout 502 to lead, the fixed top that sets up at first horizontal pole 302 of slider 501, the below of supporting baseplate 1 is provided with supporting mechanism, and supporting mechanism includes backing plate 402, the below symmetry of supporting baseplate 1 is provided with a plurality of backing plate 402, backing plate 402 passes through support column 401 and supporting baseplate 1 fixed connection, the fixed rubber pad 403 that is provided with in bottom of backing plate 402.

The working principle is as follows: when the utility model is used, firstly, referring to the position of the marking piece 2, when a smaller circuit board is processed, the circuit board is placed on the supporting bottom plate 1, the rotating piece 307 is rotated to drive the stud 308 to rotate, the bottom of the stud 308 is far away from the flat notch 304 on the guide post 306, then the first cross rod 302 is moved to drive the limiting block 301 to move towards the edge of the circuit board, when the limiting block 301 is contacted with the edge of the circuit board, the stud 308 is screwed in the opposite direction to enable the top end of the stud 308 to be tightly extruded on the flat notch 304, thereby realizing the fixing of the position of the circuit board, simultaneously equivalently widening the edge of the circuit board, further avoiding the problem that the movement path is influenced by a track of a chip mounter in the process of chip mounting the borderless circuit board, and simultaneously, the adjustable fixing mode enables the supporting bottom plate 1 to fix circuit boards with different sizes, both obtaining better effects, the arrangement of the first cross bar 302 and the second cross bar 303 can fix a plurality of circuit boards so as to process the circuit boards simultaneously; according to the utility model, by arranging the sliding limiting mechanism, when the first cross rod 302 in the sliding limiting mechanism moves, the sliding block 501 on the first cross rod 302 can slide in the guide sliding groove 502 on the guide sliding rail 503, so that the first cross rod 302 cannot deviate in position when moving, and is more stable when moving, and the whole utility model is more durable; the supporting mechanism is arranged for supporting the supporting bottom plate 1, and the rubber pad 403 is arranged at the bottom of the base plate 402 and used for increasing the friction force between the utility model and the placing plane, so that the use stability of the utility model is increased.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the utility model. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. A plate-edge-free flat-attaching type fixing tool comprises a supporting bottom plate (1) and is characterized in that,

the baffle edge (102) is arranged around the top of the supporting base plate (1), and the top of the supporting base plate (1) is provided with a plurality of parallel through grooves (101);

the movable limiting mechanism is arranged at the bottom of the supporting bottom plate (1) and comprises a limiting block (301) which is arranged in the through groove (101) in a sliding mode, and the sliding limiting mechanisms are arranged on two sides of the bottom of the supporting bottom plate (1);

the supporting mechanism is arranged below the supporting bottom plate (1).

2. The plateless edge flush mounting fixture of claim 1, wherein the thickness of the ledge (102) is 3.5 mm.

3. A fixing fixture of the flangeless edge-on-flat type as claimed in claim 1, wherein a non-woven layer (103) is provided on top of the retaining rim (102).

4. The fixing tool for the non-plate edge flat pasting type of claim 1, wherein the moving limiting mechanism comprises a guide post (306), the guide post (306) is arranged in parallel to the through groove (101), two ends of the guide post (306) are both fixedly arranged at the bottom of the supporting base plate (1) through a mounting plate (305), a sliding ring (310) is sleeved on the guide post (306) in a sliding manner, first cross rods (302) are fixedly arranged at two sides of the sliding ring (310), a limiting block (301) is fixedly arranged at the top of each first cross rod (302), the limiting block (301) penetrates through the through groove (101), the height of the top of the limiting block (301) is equal to the height of the top of the retaining edge (102), a flat notch (304) is arranged at the bottom of the guide post (306), a threaded hole (309) is formed in the bottom of the sliding ring (310), and a stud (308) is connected to the threaded hole (309) in a threaded manner.

5. The fixing tool without the plate edge flatly-pasting type according to claim 1 or 4, wherein the sliding limiting mechanism comprises a guide sliding rail (503), the guide sliding rail (503) is fixedly arranged at the bottom of the supporting base plate (1), the guide sliding rail (503) is arranged at two sides above the first cross rod (302), a guide sliding groove (502) is formed in the bottom of the guide sliding rail (503), a sliding block (501) is arranged in the guide sliding groove (502) in a sliding manner, and the sliding block (501) is fixedly arranged at the top of the first cross rod (302).

6. The fixing tool for the flat pasting without plate edge of claim 1, characterized in that the supporting mechanism comprises a plurality of backing plates (402), a plurality of backing plates (402) are symmetrically arranged under the supporting base plate (1), and the backing plates (402) are fixedly connected with the supporting base plate (1) through supporting columns (401).

7. The fixing tool without flat edge of claim 6, wherein the bottom of the backing plate (402) is fixedly provided with a rubber pad (403).