CN215709836U

CN215709836U - PCB feeding device and automatic rubber pad pasting mechanism for PCB

Info

Publication number: CN215709836U
Application number: CN202122016574.6U
Authority: CN
Inventors: 李文峰
Original assignee: Dongguan Zhan Rong Electronics Mechanical Co Ltd
Current assignee: Dongguan Zhan Rong Electronics Mechanical Co Ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-02-01
Anticipated expiration: 2031-08-25

Abstract

The utility model relates to the technical field of automatic rubber mat pasting mechanisms for PCBs, in particular to a PCB feeding device and an automatic rubber mat pasting mechanism for PCBs. The device comprises a carrier and two side plates which are arranged in parallel, wherein two ends of each side plate are respectively connected with a fixed plate, a transmission shaft is arranged between the corresponding fixed plates on the two sides, and the end part of the transmission shaft is connected with the fixed plates through a bearing; two ends of the transmission shaft are respectively connected with a chain wheel, a chain is arranged between the two chain wheels at the same side, and one end of one transmission shaft extends out of the fixed plate and is connected with a driving device through a transmission mechanism; the two sides of the carrier are respectively lapped on the two chains, at least one connecting plate is connected between the lower ends of the two side plates, the connecting plate is connected with a lifting device, and the lifting device is connected with a material blocking device used for limiting the movement of the carrier. The utility model adopts the combination of the chain conveying mechanism, the lifting device and the material blocking device to limit the feeding position of the PCB, thereby improving the feeding precision.

Description

PCB feeding device and automatic rubber pad pasting mechanism for PCB

Technical Field

The utility model relates to the technical field of automatic rubber mat pasting mechanisms for PCBs, in particular to a PCB feeding device and an automatic rubber mat pasting mechanism for PCBs.

Background

In the production process of the PCB, a layer of rubber mat is pasted on the back of the PCB, the manual gluing mode is generally adopted at present, the speed of the manual gluing mode is low, the quality depends on the manual clinker degree, and the quality cannot be guaranteed. For this reason, many producers develop automatic rubberizing device, the PCB board passes through material feeding unit and carries to preset position, then take out the cushion subsides through other machines and then paste on the PCB board, the PCB board is when carrying, generally adopts carrier and belt conveyor's combination, this kind of structure is when the operation, can the error appear, if when the belt conveyor pauses, the carrier probably because inertia continues to slide a segment distance forward to cause the precision insufficient, if set up limit structure, the space of belt conveyor is not enough, need set up in addition, cause the structure complicacy.

Disclosure of Invention

The utility model aims to provide a PCB feeding device aiming at the defects of the prior art, the PCB feeding device is provided with a limiting mechanism, the conveying precision is improved, and the structure is relatively simple.

A PCB feeding device comprises a carrier and two side plates arranged in parallel, wherein two ends of each side plate are respectively connected with a fixed plate, a transmission shaft is arranged between the corresponding fixed plates on the two sides, and the end part of the transmission shaft is connected with the fixed plates through a bearing; two ends of the transmission shaft are respectively connected with a chain wheel, a chain is arranged between the two chain wheels at the same side, and one end of one transmission shaft extends out of the fixed plate and is connected with a driving device through a transmission mechanism; the two sides of the carrier are respectively lapped on the two chains, at least one connecting plate is connected between the lower ends of the two side plates, the connecting plate is connected with a lifting device, and the lifting device is connected with a material blocking device used for limiting the movement of the carrier.

Furthermore, the inner side surface of each side plate is connected with a bearing block, the upper end of the bearing block is provided with a guide groove, and the upper side of the chain penetrates through the guide groove.

Further, the both sides of carrier are equipped with the breach respectively, and the bearing is installed to the breach, bearing and curb plate butt.

Further, elevating gear is vertical cylinder, dam device includes: the base block is connected with a push rod of the vertical cylinder.

Preferably, at least one side in the both sides of base block upwards extends the supporting shoe, the middle part of supporting shoe is connected with the articulated shaft, and the articulated shaft is connected with the middle part of keeping off the material piece, keeps off the material piece and is equipped with stop part and spacing portion, and the length direction of stop part is the contained angle setting with the length direction of spacing portion, the base block can be dismantled and be connected with the cushion, and the cushion is located between spacing portion and the base block.

Further, the blocking part is hinged with a pulley or a bearing.

Further, elevating gear still includes the bottom block, and the bottom block is fixed in the connecting plate, vertical cylinder is fixed in the bottom block below, the bottom block is equipped with the guiding hole, the base block is connected with the guide bar, and the lower extreme of guide bar stretches into the guiding hole.

Preferably, the stock stop device further comprises a resetting piece for resetting the stock stop.

Further, the transmission mechanism comprises a belt transmission mechanism or a chain transmission mechanism, and the driving device comprises a driving motor.

An automatic rubberizing pad mechanism of PCB board, it includes foretell PCB board material feeding unit.

The utility model has the beneficial effects that: the utility model adopts the combination of the chain conveying mechanism, the lifting device and the material blocking device to limit the feeding position of the PCB, thereby improving the feeding precision.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is an enlarged schematic view of a portion a of fig. 1.

Fig. 3 is an enlarged schematic view of a portion B of fig. 1.

Fig. 4 is a schematic view of a combination of the material blocking device and the lifting device.

The reference numerals include:

1-side plate; 2-a transmission shaft; 3-chain wheel; 4-fixed plate; 5-a transmission mechanism; 6-connecting plate; 7-a material blocking device; 8-a carrier; 9-a notch; 10-a bearing; 11-a bearing block; 12-a guide groove; 13-lifting device; 71-bottom block; 72-base block; 73-cushion block; 74-a limiting part; 75-a barrier; 76-a pulley; 77-guide bar; 78-material blocking block; 79-supporting block.

Detailed Description

The present invention is described in detail below with reference to the attached drawings. As shown in fig. 1-4.

Example (b): referring to fig. 1, a PCB feeding device includes a carrier 8 and two side plates 1 arranged in parallel, two ends of each side plate 1 are respectively connected with a fixing plate 4, a transmission shaft 2 is arranged between the fixing plates 4 corresponding to the two sides, and an end of the transmission shaft 2 is connected with the fixing plate 4 through a bearing; two ends of the transmission shafts 2 are respectively connected with chain wheels 3, a chain (not shown in the figure) is arranged between the two chain wheels 3 on the same side, one end of one of the transmission shafts 2 extends out of the fixed plate 4 and is connected with a driving device (not shown in the figure) through a transmission mechanism 5; the two sides of the carrier 8 are respectively lapped on the two chains, at least one connecting plate 6 is connected between the lower ends of the two side plates 1, the connecting plate 6 is connected with a lifting device 13, and the lifting device 13 is connected with a material blocking device 7 used for limiting the movement of the carrier 8.

According to the technical scheme, the traditional belt transmission is changed into chain transmission, and the material blocking device 7 is additionally arranged between the two chain transmission mechanisms 5, so that the purpose of limiting the position of the carrier 8 is achieved; when the device works, the driving device drives one of the transmission shafts 2 to rotate through the transmission mechanism 5, and the transmission shaft 2 drives the chain wheel 3 to rotate and the chain to move; when the chain moves, the carrier 8 lapped above is driven to move, when the carrier 8 moves to a preset position, the carrier 8 is abutted against the material blocking device 7, the carrier 8 is limited at the preset position, and the movement cannot occur due to inertia; the drive may or may not be suspended at this time. After the PCB finishes working, the lifting device 13 drives the material blocking device 7 to move away from the moving track of the carrier 8; the carrier 8 continues to move, and after the carrier 8 leaves, the lifting device 13 drives the material blocking device 7 to enter the moving track of the carrier 8. Overall structure is comparatively simple, and it is convenient to implement, provides the work precision simultaneously.

See fig. 3; furthermore, the inner side surface of each side plate 1 is connected with a bearing block 11, the upper end of the bearing block 11 is provided with a guide groove 12, and the upper side of the chain passes through the guide groove 12.

The weight of the carrier 8 is large, and the chain can deform due to the weight when bearing the weight of the carrier 8; the middle part is bent downwards; in order to avoid the chain damage caused by too large bearing gravity, the bearing block 11 is arranged, the partial weight of the carrier 8 is supported by the bearing block 11, and meanwhile, the chain drives the carrier 8 to move through friction force.

See fig. 2; furthermore, the both sides of carrier 8 are equipped with breach 9 respectively, and bearing 10 is installed to breach 9, and bearing 10 and curb plate 1 butt.

A moving space is formed between the two side plates 1, and the carrier 8 moves directionally in the moving space; to reduce hard collisions or friction between the vehicle 8 and the side panels 1; this technical scheme has set up bearing 10, forms sliding connection between bearing and the curb plate 1, and the reduction is worn and torn.

See fig. 4; further, the lifting device 13 is a vertical cylinder, and the material blocking device 7 includes: the base block 72 and the material blocking block 78, the material blocking block 78 is connected with the base block 72, and the base block 72 is connected with a push rod of the vertical cylinder.

The push rod of the vertical cylinder drives the base block 72 to ascend and descend, and then drives the material blocking block 78 to ascend and descend. The whole structure is simple, and the implementation is convenient.

Preferably, at least one of two sides of the base block 72 extends upwards to form a supporting block 79, the middle of the supporting block 79 is connected with a hinge shaft, the hinge shaft is connected with the middle of the material blocking block 78, the material blocking block 78 is provided with a blocking portion 75 and a limiting portion 74, the length direction of the blocking portion 75 and the length direction of the limiting portion 74 form an included angle, the base block 72 is detachably connected with a cushion block 73, and the cushion block 73 is located between the limiting portion 74 and the base block 72.

In order to facilitate maintenance and avoid frequent driving of the vertical cylinder, the technical scheme is provided with a detachable cushion block 73; the spacer 73 is fixed to the base block 72 when the blocking is performed. When no blocking is required, the pad 73 is removed; when the carrier 8 passes by, the stopper 75 rotates and moves away from the movement locus of the carrier 8.

Further, the blocking portion 75 is hinged with a pulley 76 or a bearing.

In order to reduce the wear between the stopper 75 and the carrier 8, the present solution provides a pulley 76 or a bearing at the stopper 75.

Further, elevating gear 13 still includes bottom block 71, and bottom block 71 is fixed in connecting plate 6, vertical cylinder is fixed in bottom block 71 below, bottom block 71 is equipped with the guiding hole, base block 72 is connected with guide bar 77, and the lower extreme of guide bar 77 stretches into the guiding hole.

In order to make the base block 72 move smoothly under the driving of the vertical cylinder, the technical scheme is provided with a guide hole and a guide rod 77.

Preferably, the dam device 7 further comprises a resetting member for resetting the dam block 78.

The reset piece can be a spring, a spring sheet, a torsion spring and the like. If the torsion spring is arranged on the hinged shaft, two ends of the torsion spring are respectively connected with the material blocking block 78 and the supporting block 79; for example, the two ends of the spring are respectively connected with the limiting part 74 and the base block 72; and so on.

Further, the transmission mechanism 5 includes a belt transmission mechanism or a chain transmission mechanism, and the driving device includes a driving motor.

For convenient design, the transmission mechanism can be a belt or chain transmission mechanism commonly used, and the driving device is a driving motor.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims

1. The utility model provides a PCB board material feeding unit which characterized in that: the device comprises a carrier and two side plates which are arranged in parallel, wherein two ends of each side plate are respectively connected with a fixed plate, a transmission shaft is arranged between the corresponding fixed plates on the two sides, and the end part of the transmission shaft is connected with the fixed plates through a bearing; two ends of the transmission shaft are respectively connected with a chain wheel, a chain is arranged between the two chain wheels at the same side, and one end of one transmission shaft extends out of the fixed plate and is connected with a driving device through a transmission mechanism; the two sides of the carrier are respectively lapped on the two chains, at least one connecting plate is connected between the lower ends of the two side plates, the connecting plate is connected with a lifting device, and the lifting device is connected with a material blocking device used for limiting the movement of the carrier.

2. The PCB feeding device of claim 1, wherein: the inner side surface of each side plate is connected with a bearing block, the upper end of the bearing block is provided with a guide groove, and the upper side of the chain penetrates through the guide groove.

3. The PCB feeding device of claim 1, wherein: the both sides of carrier are equipped with the breach respectively, and the bearing is installed to the breach, bearing and curb plate butt.

4. The PCB feeding device of claim 1, wherein: elevating gear is vertical cylinder, dam device includes: the base block is connected with a push rod of the vertical cylinder.

5. The PCB feeding device of claim 4, wherein: at least one side in the both sides of base block upwards extends the supporting shoe, the middle part of supporting shoe is connected with the articulated shaft, and the articulated shaft is connected with the middle part that keeps off the material piece, keeps off the material piece and is equipped with stop part and spacing portion, and the length direction of stop part is the contained angle setting with the length direction of spacing portion, the base block can be dismantled and be connected with the cushion, and the cushion is located between spacing portion and the base block.

6. The PCB feeding device of claim 5, wherein: the blocking part is hinged with a pulley or a bearing.

7. The PCB feeding device of claim 4, wherein: the lifting device further comprises a bottom block, the bottom block is fixed on the connecting plate, the vertical cylinder is fixed below the bottom block, the bottom block is provided with a guide hole, the base block is connected with a guide rod, and the lower end of the guide rod extends into the guide hole.

8. The PCB feeding device of claim 4, wherein: the material blocking device further comprises a resetting piece for resetting the material blocking block.

9. The PCB feeding device of claim 1, wherein: the transmission mechanism comprises a belt transmission mechanism or a chain transmission mechanism, and the driving device comprises a driving motor.

10. The utility model provides an automatic rubberizing pad mechanism of PCB board which characterized in that: comprising a PCB board feeding device according to claims 1 to 9.