CN210469900U

CN210469900U - Pull-down PCB pressing plate mechanism

Info

Publication number: CN210469900U
Application number: CN201921206584.2U
Authority: CN
Inventors: 韩玉标
Original assignee: Hengqin Xinnuo Electronic Equipment Co Ltd
Current assignee: Zhuhai Longjian Electronics Co.,Ltd.
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-05-05
Anticipated expiration: 2029-07-26

Abstract

The utility model relates to the field of circuit board production, in particular to a pull-down PCB pressing plate mechanism, which comprises an upper loading track, a pull-down component and a bidirectional spring folding component, wherein the bidirectional spring folding component comprises a first folding rod and a second folding rod, the adjacent ends of the first folding rod and the second folding rod are hinged, the other ends of the first folding rod and the second folding rod are respectively provided with a horizontal limiting component, the bottom of each limiting component is respectively fixedly connected with the top of the upper loading track, the first folding rod and the second folding rod are respectively provided with a lower pressing plate capable of abutting against a workpiece, the pull-down component is arranged at one side between the first folding rod and the second folding rod, the pull-down component comprises a pull-down block capable of moving up and down, one end of the pull-down block is fixedly connected with the hinged part of the first folding rod and the second folding rod, the device adopts a spring folding type pull-down mode, the positioning is more stable, the service life is prolonged, the cost is reduced, and the production efficiency is improved.

Description

Pull-down PCB pressing plate mechanism

Technical Field

The utility model relates to a circuit board production field, concretely relates to drop-down formula PCB clamp plate mechanism.

Background

In circuit board production, often need fix a position the surface of PCB board, current positioning mechanism is the shell fragment formula generally and presses the principle, and the location effect is not good to easy grinding, life is short, leads to equipment fault rate high, influences production efficiency, consequently, we have proposed a drop-down PCB clamp plate mechanism, so as to solve the above-mentioned problem of proposing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drop-down formula PCB clamp plate mechanism, this equipment adopt the foldable mode of pushing down of spring, make the location more stable to life-span, reduce cost improves production efficiency.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a pull-down PCB clamp plate mechanism, including uploading the track, still include pull-down subassembly and two-way spring folding assembly, two-way spring folding assembly includes first folding rod and second folding rod, first folding rod and second folding rod length are the same, the articulated setting of adjacent one end of first folding rod and second folding rod, the other end of first folding rod and second folding rod is equipped with horizontal spacing subassembly respectively, the bottom of every spacing subassembly respectively with upload orbital top fixed connection, be equipped with the holding down plate that can conflict work piece on first folding rod and the second folding rod respectively, pull-down subassembly sets up the one side between first folding rod and second folding rod, pull-down subassembly is including the pull-down piece that can reciprocate, the one end of pull-down is quick and the articulated department fixed connection of first folding rod and second folding rod.

Preferably, the first folding plate rod and the second folding rod are of hollow structures, the inner width of the first folding rod is larger than that of the second folding rod, an extension spring is arranged between the first folding rod and the second folding rod, and two ends of the extension spring are fixedly connected with one end of the inner portion of the first folding rod and one end of the inner portion of the second folding plate rod respectively.

Preferably, every horizontal limit component all includes spacing track, the type of falling U connecting block and gyro wheel, and spacing track is horizontal fixed mounting and uploads orbital top, and the gyro wheel can gliding setting on spacing track, the one end of the type of falling U connecting block respectively with the one end fixed connection of first folding rod and second folding rod, and the gyro wheel can the pivoted setting on the type of falling U connecting block, is equipped with spacing traveller respectively to the both sides of U type connecting block, is equipped with respectively on the spacing track to be used for supplying the gliding bar of every spacing traveller to wear the mouth.

Preferably, the drop-down subassembly still includes rectangular block and lift cylinder, and the rectangular block is vertical setting between two spacing tracks to the lateral wall of rectangular block and the orbital lateral wall fixed connection that uploads are equipped with the rectangle incision on the rectangular block, and the drop-down piece is vertical setting in the notched inside of rectangle, and the lift cylinder is vertical setting in the below of drop-down piece, and the lift cylinder passes through support and the orbital lateral wall fixed connection that uploads, the output of lift cylinder and the bottom fixed connection of drop-down piece.

Preferably, the two sides of the pull-down block are respectively provided with a T-shaped sliding block, and the rectangular block is respectively provided with a T-shaped sliding groove for each T-shaped sliding block to slide.

Preferably, a soft rubber layer is respectively arranged on one surface of each lower pressing plate close to the upper loading track, and the soft rubber layers are respectively and fixedly connected with the lower pressing plates.

The utility model has the advantages that: a pull-down PCB pressing plate mechanism is characterized in that when a pressing plate needs to be fixed, a lifting cylinder is started, the lifting cylinder drives a pull-down block to move downwards along a rectangular notch, when the pull-down block moves downwards, a T-shaped sliding block and a T-shaped sliding groove are arranged to play a role in guiding and limiting, a first folding rod and a second folding rod are firstly in an inverted V-shaped state, when the pull-down plate moves downwards, the hinged parts of the first folding rod and the second folding rod are simultaneously driven to move downwards, and an extension spring is simultaneously pulled until the first folding rod and the second folding rod are in a horizontal state, the extension spring can enable the first folding rod and the second folding rod to be pressed downwards more stably, when the hinged parts of the first folding rod and the second folding rod move downwards, the other ends of the first folding rod and the second folding rod respectively move along each limiting rail through rollers on inverted U-shaped connecting blocks, and a limiting sliding column is arranged for limiting movement, being the horizontality and simultaneously contradicting the work piece through every holding down plate at first folding rod and second folding rod, the flexible glue layer of setting prevents to damage workpiece surface when pushing down, and this equipment adopts the foldable mode of pushing down of spring, makes the location more stable to life-span, reduce cost improves production efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic perspective view of a first embodiment of the present invention;

fig. 2 is a schematic perspective view illustrating a second embodiment of the present invention;

fig. 3 is a front view of an embodiment of the present invention;

fig. 4 is a schematic partial perspective view according to an embodiment of the present invention;

fig. 5 is a partially exploded view of an embodiment of the present invention;

in the figure: the device comprises an uploading track 1, a first folding rod 2, a second folding rod 3, a lower pressing plate 4, a pull-down block 5, an extension spring 6, a limiting track 7, an inverted U-shaped connecting block 8, a roller 9, a limiting sliding column 10, a rectangular block 11, a lifting cylinder 12, a rectangular notch 13, a T-shaped sliding block 14, a T-shaped sliding groove 15 and a soft rubber layer 16.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being either a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, a pull-down PCB platen mechanism, including uploading track 1, still include pull-down subassembly and two-way spring folding subassembly, two-way spring folding subassembly includes first folding rod 2 and second folding rod 3, first folding rod 2 and second folding rod 3 length are the same, the articulated setting of adjacent one end of first folding rod 2 and second folding rod 3, the other end of first folding rod 2 and second folding rod 3 is equipped with horizontal spacing subassembly respectively, the bottom of every spacing subassembly respectively with upload track 1's top fixed connection, be equipped with down clamp 4 that can conflict the work piece on first folding rod 2 and the second folding rod 3 respectively, pull-down subassembly sets up the one side between first folding rod 2 and second folding rod 3, pull-down subassembly includes pull-down 5 that can reciprocate, the fast one end of pull-down and the articulated department fixed connection of first folding rod 2 and second folding rod 3.

First folding bar and second folding bar 3 are hollow structure, the inside width of first folding bar 2 is greater than the width of second folding bar 3, be equipped with extension spring 6 between first folding bar 2 and the second is folded, this extension spring 6's both ends respectively with the inside one end fixed connection of first folding bar 2 and second folding bar, first folding bar 2 second folding bar 3 is the style of calligraphy state of falling V earlier, when the lower pull down plate moves down, drive the articulated department downwardly moving of first folding bar 2 and second folding bar 3 simultaneously, and spur extension spring 6 simultaneously, until first folding bar 2 and second folding bar 3 are the horizontality, extension spring 6 can make the pushing down of first folding bar 2 and second folding bar 3 more stable.

Each horizontal limiting component comprises a limiting track 7, an inverted U-shaped connecting block 8 and a roller 9, the limiting track 7 is horizontally and fixedly arranged at the top of the uploading track 1, the roller 9 can be slidably arranged on the limiting track 7, one end of the inverted U-shaped connecting block 8 is fixedly connected with one end of the first folding rod 2 and one end of the second folding rod 3 respectively, the roller 9 can be rotatably arranged on the inverted U-shaped connecting block 8, limiting sliding columns 10 are arranged at two sides of the U-shaped connecting block respectively, a strip-shaped through hole for each limiting sliding column 10 to slide is arranged on the limiting track 7 respectively, when the hinged position of the first folding rod 2 and the second folding rod 3 moves downwards, the other ends of the first folding rod 2 and the second folding rod 3 move along each limit track 7 through the roller 9 on the inverted U-shaped connecting block 8 respectively, and the arranged limit sliding columns 10 are used for limiting movement.

The drop-down subassembly still includes rectangular block 11 and lift cylinder 12, rectangular block 11 is vertical setting between two spacing tracks 7, and the lateral wall of rectangular block 11 and the lateral wall fixed connection who uploads track 1, be equipped with rectangle incision 13 on the rectangular block 11, drop-down block 5 is vertical setting in the inside of rectangle incision 13, lift cylinder 12 is vertical setting in the below of drop-down block 5, lift cylinder 12 passes through the support and uploads track 1's lateral wall fixed connection, lift cylinder 12's the output and the bottom fixed connection of drop-down block 5, when needs clamp plate is fixed, start lift cylinder 12, lift cylinder 12 drives drop-down block 5 and moves down along rectangle incision 13.

The two sides of the pull-down block 5 are respectively provided with a T-shaped sliding block 14, the rectangular block 11 is respectively provided with a T-shaped sliding groove 15 for each T-shaped sliding block 14 to slide, and when the pull-down block 5 moves downwards, the arranged T-shaped sliding blocks 14 and the T-shaped sliding grooves 15 play a role in guiding and limiting.

Every the holding down plate 4 is close to the one side of uploading track 1 and is equipped with soft glue film 16 respectively, this soft glue film 16 respectively with holding down plate 4 fixed connection, be the horizontality and simultaneously through every holding down plate 4 conflict work piece at first folding rod 2 and second folding rod 3, the soft glue film 16 of setting prevents to damage the work piece surface when pushing down.

The working principle is as follows: when the pressing plate is required to be fixed, the lifting cylinder 12 is started, the lifting cylinder 12 drives the pull-down block 5 to move downwards along the rectangular notch 13, when the pull-down block 5 moves downwards, the arranged T-shaped slide block 14 and the arranged T-shaped slide groove 15 play a role in guiding and limiting, the first folding rod 2 and the second folding rod 3 are in an inverted V-shaped state firstly, when the pull-down plate moves downwards, the hinged parts of the first folding rod 2 and the second folding rod 3 are driven to move downwards, and the extension spring 6 is pulled simultaneously until the first folding rod 2 and the second folding rod 3 are in a horizontal state, the extension spring 6 can enable the first folding rod 2 and the second folding rod 3 to be pressed downwards more stably, when the hinged parts of the first folding rod 2 and the second folding rod 3 move downwards, the other ends of the first folding rod 2 and the second folding rod 3 respectively move along each limiting track 7 through the rollers 9 on the inverted U-shaped connecting block 8, the limiting sliding column 10 is used for limiting movement, the first folding rod 2 and the second folding rod 3 are in a horizontal state and simultaneously abut against a workpiece through each lower pressing plate 4, and the soft rubber layer 16 is arranged to prevent the surface of the workpiece from being damaged when the workpiece is pressed down.

It should be understood that the above-described embodiments are merely illustrative of the preferred embodiments of the present invention and the technical principles thereof. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, these modifications are within the scope of the present invention as long as they do not depart from the spirit of the present invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.

Claims

1. A drop-down PCB pressure plate mechanism comprises an uploading track (1), and is characterized in that: still include drop-down subassembly and two-way spring folding assembly, two-way spring folding assembly includes first folding rod (2) and second folding rod (3), first folding rod (2) and second folding rod (3) length are the same, the articulated setting of the adjacent one end of first folding rod (2) and second folding rod (3), the other end of first folding rod (2) and second folding rod (3) is equipped with the spacing subassembly of level respectively, the bottom of every spacing subassembly respectively with the top fixed connection who uploads track (1), be equipped with holding down plate (4) that can conflict work piece on first folding rod (2) and second folding rod (3) respectively, drop-down subassembly sets up the one side between first folding rod (2) and second folding rod (3), drop-down subassembly is including pull-down piece (5) that can reciprocate, the fast one end of drop-down is connected with the articulated department of first folding rod (2) and second folding rod (3).

2. The pull-down PCB platen mechanism of claim 1, wherein: first folding board pole and second folding pole (3) are hollow structure, and the inside width of first folding pole (2) is greater than the width of second folding pole (3), is equipped with extension spring (6) between first folding pole (2) and the second is folding, the both ends of this extension spring (6) respectively with the inside one end fixed connection of first folding pole (2) and second folding board pole.

3. The pull-down PCB platen mechanism of claim 2, wherein: every horizontal limit component all includes spacing track (7), type of falling U connecting block (8) and gyro wheel (9), spacing track (7) are horizontal fixed mounting and upload the top of track (1), gyro wheel (9) can gliding setting on spacing track (7), the one end of type of falling U connecting block (8) respectively with the one end fixed connection of first folding rod (2) and second folding rod (3), gyro wheel (9) can the pivoted setting on type of falling U connecting block (8), both sides to U type connecting block are equipped with spacing traveller (10) respectively, be equipped with respectively on spacing track (7) and be used for supplying the gliding bar of every spacing traveller (10) to wear the mouth.

4. The pull-down PCB platen mechanism of claim 3, wherein: the drop-down subassembly still includes rectangular block (11) and lift cylinder (12), rectangular block (11) are vertical setting between two spacing track (7), and the lateral wall of rectangular block (11) and the lateral wall fixed connection who uploads track (1), be equipped with rectangle incision (13) on rectangular block (11), drop-down block (5) are vertical setting in the inside of rectangle incision (13), lift cylinder (12) are vertical setting in the below of drop-down block (5), lift cylinder (12) are through support and the lateral wall fixed connection who uploads track (1), the output of lift cylinder (12) and the bottom fixed connection who drops down block (5).

5. The pull-down PCB platen mechanism of claim 4, wherein: t-shaped sliding blocks (14) are respectively arranged on two sides of the pull-down block (5), and T-shaped sliding grooves (15) for enabling each T-shaped sliding block (14) to slide are respectively arranged on the rectangular blocks (11).

6. The pull-down PCB platen mechanism of claim 5, wherein: one surface of each lower pressing plate (4) close to the uploading track (1) is provided with a soft rubber layer (16), and the soft rubber layers (16) are fixedly connected with the lower pressing plates (4) respectively.