Conveying mechanism of PCB curing oven

Abstract

The utility model relates to the technical field of PCB curing, in particular to a PCB curing oven conveying mechanism which comprises a conveying frame and a curing frame installed on the conveying frame, a conveying belt is arranged on the conveying frame, and a plurality of sets of bearing mechanisms used for installing PCBs are installed on the conveying belt. The bearing mechanism comprises a bearing plate rotationally connected with the conveying belt, and an extrusion plate is slidably connected to the bearing plate through an elastic piece. The conveying frame is provided with a trigger part used for driving the extrusion plate to be away from the PCB. The conveying belt drives the bearing mechanism to horizontally slide on the processing frame, curing operation of the PCB is completed after the PCB passes through the curing frame, then during continuous movement of the conveying belt, the trigger part drives the extrusion plate to be clamped with the positioning part, namely, the positioning part is clamped on the extrusion plate, the extrusion plate is far away from the PCB at the moment, discharging can be conducted easily, and the production efficiency is improved. An unlocking mechanism does not need to be independently arranged to drive the extrusion plate to be away from the PCB, and the working efficiency of the conveying mechanism is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of PCB board solidification, specifically to a kind of PCB solidification furnace conveying mechanism. BACKGROUND

[0002] It is known that PCB, Chinese name is printed wiring board, also called printed circuit board, is an important electronic component, is the support of electronic components, is the carrier of electrical connection of electronic components, and printed wiring board develops from single layer to double-sided, multilayer and flexible, and still maintains respective development trend.

[0003] The current PCB board needs to be coated with photosensitive material on the substrate surface during production and processing, and then cured by light radiation, which is called UV curing. A curing oven is used during PCB curing.

[0004] Vertical curing oven, also known as vertical curing oven or vertical drying oven, is a curing and drying equipment commonly used in SMT industry. Its principle is to place the PCB product with surface mounted components completed by front-end process in a relatively stable high temperature environment for bonding, drying and curing of surface mounted components and PCB board.

[0005] In the prior art, such as the Chinese patent with the authorization announcement number CN212964590U and the name of a kind of PCB board UV glue online curing oven, the above-mentioned patent discloses a kind of PCB board UV glue online curing oven, including box, the top of the box is installed with three groups of support columns, the top of three groups of support columns is jointly installed with curing oven, the top of the box is respectively symmetrically installed with two first support blocks and two second support blocks, the first support block is connected with the second support block with conveyor belt, and the conveyor belt penetrates the curing oven, the two second support blocks are connected with main shaft, the inside of the box is installed with motor and shaft in parallel, the output end of the motor is installed with first gear, the outer wall of the shaft is installed with second gear and first pulley.

[0006] In the above-mentioned patent, the first gear and the second gear are installed in the box to further optimize and improve the mechanical structure, avoid the possibility of incomplete curing of PCB board UV glue, and increase the practicability of the device. In the prior art, such as the above-mentioned patent, the PCB board is usually fixed by the cooperation of fixed block and spring. However, after the PCB board is processed, the PCB board is still fixed under the action of spring, which has the disadvantage of inconvenient unloading. UTILITY MODEL CONTENT

[0007] The utility model aims to provide a kind of PCB solidification furnace conveying mechanism to solve the problems raised in the above background technology.

[0008] To achieve the above object, the utility model provides the following technical scheme: A kind of PCB solidification furnace conveying mechanism, including conveying frame and solidification frame being installed on conveying frame, conveying frame is provided with conveying belt, and conveying belt is installed with multiple groups of bearing mechanism for installing PCB board;The bearing mechanism includes the bearing plate being rotatably connected with conveying belt, and extrusion plate is slidably connected on the bearing plate by elastic member;Conveying frame is provided with trigger portion for driving extrusion plate away from PCB board, and the locating portion is arranged on the bearing plate, and the locating portion is intermittently connected with extrusion plate.

[0009] Further, the extrusion plate both sides are fixedly connected with connecting block, and the elastic member includes extrusion spring, and extrusion spring is arranged between connecting block and bearing plate.

[0010] Further, the trigger portion includes bearing frame being fixedly connected on conveying frame, and a trigger rod is slidably connected inside bearing frame, and mounting spring is arranged between trigger rod and bearing frame.

[0011] Further, the locating portion includes locating rod, and the locating rod is slidably connected with bearing plate, and locating spring is arranged between locating rod and bearing plate, and the connecting block is provided with clamping groove being matched with locating rod, and the locating rod is clamped with clamping groove.

[0012] Further, the bottom of the locating rod is wedge-shaped.

[0013] Further, the bearing plate is provided with guide slot, and guide slot is communicated with clamping groove.

[0014] Further, the conveying frame is further provided with unlocking portion, and the unlocking portion drives locating rod to slide out from the clamping groove.

[0015] Further, the unlocking portion includes unlocking rod being fixedly connected on conveying frame, and unlocking slot being matched with unlocking rod is arranged on the locating rod, and the unlocking rod is abutted with unlocking slot.

[0016] Further, the unlocking slot is wedge-shaped slot.

[0017] Further, the solidification frame is provided with heating assembly.

[0018] Compared with prior art, the utility model has the advantages that: after installing PCB board on bearing mechanism, the bearing mechanism is driven to slide horizontally on processing frame by conveying belt, and the solidification work of PCB board is completed after solidification frame, then in the continuous movement of conveying belt, trigger portion drives extrusion plate to be clamped with locating portion, i.e. locating portion is clamped on extrusion plate, at this moment, extrusion plate is away from PCB board, so that it can be easily unloaded, without setting unlocking mechanism to drive extrusion plate away from PCB board, the working efficiency of the conveying mechanism is greatly improved. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0020] Figure 1 A schematic diagram of the overall structure provided for an embodiment of this utility model;

[0021] Figure 2 A partial structural schematic diagram provided for an embodiment of this utility model;

[0022] Figure 3 This is a schematic diagram of the hidden state structure of the conveyor frame provided in an embodiment of the present utility model;

[0023] Figure 4 This is a partial structural diagram of the bearing mechanism provided in an embodiment of the present utility model;

[0024] Figure 5 This is a partial structural diagram of the positioning element provided in an embodiment of the present utility model;

[0025] Figure 6 A schematic diagram of the unlocking part structure provided in an embodiment of this utility model;

[0026] Figure 7 This is a partial cross-sectional view of the trigger section provided in an embodiment of the present invention.

[0027] Explanation of reference numerals in the attached drawings: 1. Conveyor frame; 2. Curing frame; 3. Conveyor belt; 4. Support plate; 5. PCB board; 6. Heating component; 7. Extrusion plate; 8. Connecting block; 9. Extrusion spring; 10. Positioning part; 101. Positioning rod; 102. Positioning spring; 103. Slot; 11. Trigger part; 111. Support frame; 112. Trigger rod; 113. Mounting spring; 12. Unlocking part; 121. Unlocking rod; 122. Unlocking slot. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Please see Figures 1-7The utility model provides a technical scheme: a kind of PCB solidification furnace conveying mechanism, including conveying frame 1 and solidification frame 2 being installed on conveying frame 1, conveying frame 1 is provided with conveying belt 3, and conveying belt 3 is installed with multiple groups of bearing mechanism for installing PCB board 5;Bearing mechanism includes the bearing plate 4 being rotatably connected with conveying belt 3, and extrusion plate 7 is slidably connected on bearing plate 4 by elastic member;Conveying frame 1 is provided with trigger portion 11 for driving extrusion plate 7 away from PCB board 5, and bearing plate 4 is provided with positioning portion 10, and positioning portion 10 is intermittently connected with extrusion plate 7.

[0030] Specifically, the PCB solidification furnace conveying mechanism includes a conveying frame 1 and a solidification frame 2 installed on the conveying frame 1. The conveying frame 1 is provided with a conveying belt 3, wherein the conveying belt 3 is rotatable on the conveying frame 1. It is a prior art and will not be described here. A plurality of bearing mechanisms for installing PCB boards 5 are installed on the conveying belt 3, i.e. the PCB boards 5 are installed on the bearing mechanisms. Through the rotation of the conveying belt 3, the PCB boards 5 are driven to move on the conveying frame 1 by the bearing mechanisms, meeting the work needs. The bearing mechanism includes a bearing plate 4 rotatably connected with the conveying belt 3. More specifically, the bearing plate 4 is rotatably connected with the conveying belt 3 through a rotating shaft. Therefore, when the conveying belt 3 rotates, the bearing plate 4 will not be stuck, avoiding the occurrence of movement interference. The extrusion plate 7 is slidably connected with the bearing plate 4 by an elastic member. When the PCB board 5 is installed on the bearing plate 4, the elastic member drives the extrusion plate 7 to abut against the PCB board 5, fixing the PCB board 5, thereby improving the stability of the PCB board 5 during solidification. The conveying frame 1 is provided with a trigger portion 11 for driving the extrusion plate 7 away from the PCB board 5. The bearing plate 4 is provided with a positioning portion 10, and the positioning portion 10 is intermittently connected with the extrusion plate 7. Specifically, when the positioning portion 10 is connected with the extrusion plate 7, the extrusion plate 7 will be away from the PCB board 5 at this moment, making it easy to unload. Therefore, during use, after the PCB board 5 is installed on the bearing mechanism, the bearing mechanism is driven by the conveying belt 3 to slide horizontally on the processing frame. After passing through the solidification frame 2, the solidification of the PCB board 5 is completed. Then, in the continuous movement of the conveying belt 3, the trigger portion 11 drives the extrusion plate 7 to be connected with the positioning portion 10, i.e. the positioning portion 10 is connected on the extrusion plate 7. At this moment, the extrusion plate 7 will be away from the PCB board 5, making it easy to unload. There is no need to separately set an unlocking mechanism to drive the extrusion plate 7 away from the PCB board 5, greatly improving the work efficiency of the conveying mechanism.

[0031] In the embodiments provided by the utility model, specifically, the extrusion plate 7 is fixedly connected with a connecting block 8 on both sides, and the elastic member includes an extrusion spring 9. The extrusion spring 9 is arranged between the connecting block 8 and the bearing plate 4, thereby improving the stability of the PCB board 5 during installation.

[0032] In the embodiment of the utility model, and trigger portion 11 includes fixedly connected on the bearing frame 111 of conveying frame 1, bearing frame 111 inside slidingly connected has a trigger lever 112, and trigger lever 112 and bearing frame 111 between being provided with mounting spring 113, specifically, the elastic force of this mounting spring 113 drives trigger lever 112 to be away from bearing frame 111 inside, at the moment in the use process, when connecting block 8 and trigger lever 112 abut, trigger lever 112 will drive connecting block 8 to slide, to make the positioning rod 101 be connected to the inside of the card slot 103, at the moment, trigger lever 112 will extrude mounting spring 113, and slide to the inside of bearing frame 111, avoid producing motion interference.

[0033] In the embodiment of the utility model, and positioning portion 10 includes positioning rod 101, and positioning rod 101 and bearing plate 4 are slidingly connected, and positioning rod 101 and bearing plate 4 between being provided with positioning spring 102, and connecting block 8 is provided with the card slot 103 of being adapted with positioning rod 101, and positioning rod 101 and card slot 103 are connected with cooperation, when positioning rod 101 is connected in the inside of card slot 103, connecting block 8 can be fixed, at the moment, extrusion plate 7 will contact the restriction of PCB board 5, and it is convenient for the blanking of PCB board 5.

[0034] In the embodiment of the utility model, the bottom of positioning rod 101 is wedge-shaped, so that the installation and use of positioning rod 101 are more convenient.

[0035] In the embodiment of the utility model, and bearing plate 4 is provided with a guide groove, and the guide groove is communicated with the card slot 103, and the positioning rod 101 slides in the guide groove, so that the positioning rod 101 is more convenient to be connected with the card slot 103.

[0036] In the embodiment of the utility model, the conveying frame 1 is further provided with an unlocking portion 12, and the unlocking portion 12 drives the positioning rod 101 to slide out of the card slot 103, and when the positioning rod 101 slides out of the card slot 103, the elastic force of the extrusion spring 9 can unlock the extrusion plate 7 again to meet the needs of the subsequent fixation of the PCB board 5.

[0037] In the embodiment of the utility model, the unlocking portion 12 includes an unlocking rod 121 fixedly connected to the conveying frame 1, and the unlocking rod 121 is provided with an unlocking groove 122 adapted to the unlocking rod 121, and the unlocking rod 121 and the unlocking groove 122 are connected, and when the unlocking rod 121 and the unlocking groove 122 abut, the positioning rod 101 is driven to slide out of the card slot 103 to meet the needs of work.

[0038] In the embodiment of the utility model, the unlocking groove 122 is a wedge-shaped groove.

[0039] In the embodiment provided by the utility model, the curing frame 2 is provided with a heating assembly 6, wherein the heating assembly 6 comprises a hot air blower and the like, and the curing needs of the PCB 5 are met.

[0040] It should be noted that the power consumption equipment and the like involved in the present application can be powered by a storage battery or an external power source.

[0041] In the description of the utility model, it should be pointed out that, unless there is definite provision and limitation, the terms "mounting", "provided with", "connection" and the like should be understood in a broad sense, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0042] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A PCB curing furnace conveying mechanism, comprising a conveying frame (1) and a curing frame (2) mounted on the conveying frame (1), characterized in that: a conveying belt (3) is arranged on the conveying frame (1), and a plurality of sets of bearing mechanisms for mounting PCB boards (5) are mounted on the conveying belt (3); the bearing mechanism comprises a bearing plate (4) rotationally connected with the conveying belt (3), and an extrusion plate (7) is slidably connected with the bearing plate (4) through an elastic member; a trigger portion (11) for driving the extrusion plate (7) away from the PCB board (5) is arranged on the conveying frame (1), and a positioning portion (10) is arranged on the bearing plate (4) and intermittently connected with the extrusion plate (7).

2. A PCB curing oven conveyor mechanism as claimed in claim 1, wherein: connecting blocks (8) are fixedly connected on both sides of the extrusion plate (7), and the elastic member comprises an extrusion spring (9) arranged between the connecting block (8) and the bearing plate (4).

3. A PCB curing oven conveyor mechanism as claimed in claim 2, wherein: the trigger portion (11) comprises a bearing frame (111) fixedly connected with the conveying frame (1), and a trigger rod (112) is slidably connected inside the bearing frame (111), and a mounting spring (113) is arranged between the trigger rod (112) and the bearing frame (111).

4. A PCB curing oven conveyor mechanism as claimed in claim 3, wherein: the positioning portion (10) comprises a positioning rod (101) slidably connected with the bearing plate (4), and a positioning spring (102) is arranged between the positioning rod (101) and the bearing plate (4), and a clamping groove (103) matched with the positioning rod (101) is formed in the connecting block (8), and the positioning rod (101) is clamped and matched with the clamping groove (103).

5. A PCB curing oven conveyor mechanism as claimed in claim 4, wherein: the bottom of the positioning rod (101) is wedge-shaped.

6. A PCB curing oven conveyor mechanism as claimed in claim 4, wherein: a guide groove is formed in the bearing plate (4) and is in communication with the clamping groove (103).

7. A PCB curing oven conveyor mechanism as claimed in claim 4, wherein: an unlocking portion (12) is further arranged on the conveying frame (1), and the unlocking portion (12) drives the positioning rod (101) to slide out of the clamping groove (103).

8. A PCB curing oven conveyor mechanism as claimed in claim 7, wherein: the unlocking portion (12) comprises an unlocking rod (121) fixedly connected with the conveying frame (1), and an unlocking groove (122) matched with the unlocking rod (121) is formed in the positioning rod (101), and the unlocking rod (121) is in abutting fit with the unlocking groove (122).

9. A PCB curing oven conveyor mechanism as claimed in claim 8, wherein: the unlocking groove (122) is a wedge-shaped groove.

10. The PCB curing oven conveyor mechanism of claim 1, wherein: a heating assembly (6) is arranged on the curing frame (2).

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