PCB (printed circuit board) laminator

Abstract

The utility model relates to the technical field of PCB (printed circuit board) processing, in particular to a PCB laminator which comprises a rack, a conveying mechanism and a laminating mechanism are arranged at the top of the rack, the conveying mechanism is used for intermittently conveying a fixing assembly, and the fixing assembly is used for fixing a circuit board so as to be matched with the laminating mechanism to carry out circuit board oil coating and laminating; wherein the fixing assembly comprises a plurality of fixing parts and connecting parts, the connecting parts are used for blocking through holes of the circuit board, the connecting parts are combined with the fixing parts for use through connecting structures, and the connecting parts are detachably connected with the fixing parts through the connecting structures; on one hand, the rubber convex columns matched with the through holes of the circuit boards of different specifications are selected by detaching and replacing the connecting parts of different specifications, on the other hand, the through holes are blocked by the rubber convex columns so that the protection oil can be prevented from entering the through holes to be solidified, and in addition, the fixing part and the accessories on the two sides are fixed through the clamping jaws.

Description

TECHNICAL FIELD

[0001] The utility model relates to PCB circuit board processing technical field especially relates to a kind of PCB circuit board film press. BACKGROUND

[0002] PCB circuit board, full name is printed circuit board, is the support body of electronic component, and also is the provider of electronic component electrical connection, PCB circuit board film press, usually refers to a process in PCB manufacturing process, i.e.

[0003] To facilitate circuit board to be pressed film, need to process with the aid of film press, such as prior art Chinese patent announcement No.

[0004] In specific operation, circuit board film press also need to be pressed film after the operation of applying protective oil, dry film or wet film in sticking, solidification process, possibly with device or itself occurs adhesion, oil can prevent this adhesion phenomenon and ensure the smooth progress of film press process, circuit board is provided with positioning hole and heat dissipation hole, cannot be sealed and applied oil to these through-hole, protective oil solidifies in through-hole in turn influence subsequent circuit board processing efficiency. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving above-mentioned, through-hole on circuit board is easily blocked in prior art, and processing efficiency of circuit board is influenced, and a kind of PCB circuit board film press is provided.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] The utility model provides a kind of PCB circuit board film press, including rack, conveying mechanism and film pressing mechanism are provided on the top of the rack, the conveying mechanism is used to intermittent conveying fixed component, the fixed component is used to fix circuit board, to cooperate the film pressing mechanism carries out circuit board oiling film pressing;

[0008] Wherein, the fixed component includes several fixed parts and connecting parts, the connecting part is used to block the circuit board through hole, and the connecting part is also combined with the fixed part by connecting structure.

[0009] Further, the conveying mechanism includes two groups of chain wheels and chains, and the two groups of chain wheels are rotatably connected to the two sides of the rack respectively, and each group of chain wheels is driven by the chain, and the chain is a roller chain with accessories.

[0010] Further, the fixed component further includes a pawl, the accessory is an L-shaped structure, the two accessories are arranged in parallel, and a clamping groove is arranged on the top of each accessory, wherein the fixed part is a rectangular structure, and the pawl is arranged on the two sides of the bottom of the fixed part, and the two pawls are clamped in the two clamping grooves respectively.

[0011] Further, the connecting structure includes a first positioning protrusion, and the top of the fixed part is provided with a plurality of first positioning protrusions along the length direction, the first positioning protrusions are arranged at intervals, and the top of the two adjacent first positioning protrusions is clamped with the connecting part.

[0012] Further, the connecting part is provided with a cavity, and a second positioning protrusion is arranged at the midpoint of the bottom, the second positioning protrusion has the same structure as the first positioning protrusion, and the two sides of the two adjacent first positioning protrusions are respectively abutted against the inner wall of the connecting part and the second positioning protrusion.

[0013] Further, the connecting part is provided with a rubber protruding column matched with the through hole of the circuit board, and the opposite sides of the connecting parts on the left and right sides extend upward to form a stop edge, and the two stop edges are used to abut against the side edges of the circuit board.

[0014] The PCB circuit board film press has the advantages that: the chain driven by the driving chain wheel is used to intermittently move the connecting parts with the accessories, the connecting parts are detachably connected with the fixed parts through the connecting structure, on the one hand, the rubber protruding column matched with the through hole of the circuit board of different specifications is selected by detaching and replacing the connecting parts of different specifications, on the other hand, the rubber protruding column is used to block the through hole to prevent the protective oil from solidifying in the through hole, so as to avoid affecting the subsequent processing of the circuit board, in addition, the fixed part and the two accessories are fixed by the pawl, the fixed part can be detached and replaced by unlocking the pawl, so as to prevent damage and affect normal processing. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structural schematic view of the utility model;

[0016] Figure 2 It is the structural schematic view of the utility model fixed assembly;

[0017] Figure 3 It is the structural schematic view of the utility model connecting structure;

[0018] Figure 4 It is Figure 3 The enlarged structural schematic view of A area.

[0019] In the figure: 1, rack; 2, conveying mechanism; 21, chain wheel; 22, chain; 23, accessory; 231, clamping groove; 3, film pressing mechanism; 4, fixed assembly; 41, fixed part; 42, connecting part; 421, rubber boss column; 422, stop edge; 43, clamping jaw; 5, connecting structure; 51, first positioning protrusion; 52, second positioning protrusion. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0021] Referring to Figures 1-4 A PCB circuit board film pressing machine, comprising a rack 1, conveying mechanism 2 and film pressing mechanism 3 are arranged on the top of the rack 1, the conveying mechanism 2 is used for intermittent conveying fixed assembly 4, the fixed assembly 4 is used for fixing circuit board, to cooperate with the film pressing mechanism 3 to carry out circuit board oiling film pressing.

[0022] Among them, the fixed assembly 4 includes several fixed parts 41 and connecting parts 42, the connecting part 42 is used for plugging circuit board through hole, and the connecting part 42 is also combined with the fixed part 41 through the connecting structure 5.

[0023] Further, the conveying mechanism 2 includes two groups of chain wheels 21 and chains 22, two groups of chain wheels 21 are rotatably connected on both sides of the rack 1, one group of chain wheels 21 is connected with the driving device, and each group of chain wheels 21 is driven through the chain 22, and the chain 22 is a roller chain with accessory 23.

[0024] In some embodiments, the roller chain includes rollers: short cylindrical, for reducing friction and wear, sleeves: connecting the rollers and the pin shaft, pin shaft: connecting the outer chain plate and the sleeve, inner chain plate: with sleeve interference fit, outer chain plate: with pin shaft interference fit, wherein the accessory 23 replaces the outer plate chain or the inner plate chain, the two sides of the accessory 23 are opposite and move synchronously under the action of the driving device;

[0025] Specifically, the fixed assembly 4 moves intermittently to avoid the situation that the circuit board is not disassembled and the chain 22 is bent and damaged when passing through the sprocket 21;

[0026] In addition, the chain 22 is also connected with the tensioning wheel, which ensures that the chain 22 is closely engaged with the sprocket 21 through the tensioning wheel.

[0027] Further, the fixed assembly 4 further comprises a clamping jaw 43, the accessory 23 is in L-shaped structure, the two sides of the accessory 23 are arranged in parallel, and the clamping groove 231 is arranged at the top of the accessory 23, wherein the fixed part 41 is in rectangular structure, and the clamping jaw 43 is arranged at the bottom of the fixed part 41, and the clamping jaw 43 is arranged at the bottom of the fixed part 41.

[0028] It is worth mentioning that the clamping jaw 43 is integrally formed with the fixed part 41, and the fixed part 41 and the connecting part 42 are preferably made of materials such as rubber and plastic which have deformation ability, so that the clamping jaw 43 is clamped through the clamping groove 231 by abutting against the inclined surface, so as to achieve the functions of fixing and disassembling the fixed part 41.

[0029] The fixed part 41 is provided with a clearance slot communicating with the side, and the connecting part 42 is disassembled through the clearance slot.

[0030] More specifically, the connecting structure 5 comprises a first positioning protrusion 51, and the top of the fixed part 41 is provided with a plurality of first positioning protrusions 51 along the length direction, the first positioning protrusions 51 are arranged at intervals, and the top of the two adjacent first positioning protrusions 51 is clamped with the connecting part 42.

[0031] In general, the connecting part 42 is provided with a cavity, and the second positioning protrusion 52 is arranged at the midpoint of the bottom, the structure of the second positioning protrusion 52 is the same as that of the first positioning protrusion 51, and the two adjacent first positioning protrusions 51 are respectively abutted against the inner wall of the connecting part 42 and the second positioning protrusion 52.

[0032] It is worth mentioning that the connecting mode of the fixed part 41 and the connecting part 42 can refer to the existing technology of the building block plate, and in the specific operation, the most common building block plate splicing mode is that the edge of one plate has a protrusion, and the edge of the other plate has a corresponding groove, the protruding part can be inserted into the groove to achieve close clamping;

[0033] Wherein, the embodiment is connected by the fixing part 41 clamping the connecting part 42, on the one hand, the rubber convex column 421 is selected to adapt to the through hole of the circuit board by disassembling and replacing the connecting part 42 of different specifications, on the other hand, the rubber convex column 421 can prevent the protective oil from entering the through hole and solidifying.

[0034] Finally, the top of the connecting part 42 is provided with the rubber convex column 421 adapted to the through hole of the circuit board, the opposite sides of the connecting part 42 on the left and right sides extend upward to form the stop edges 422, and the stop edges 422 on the two sides are used to abut against the side edges of the circuit board.

[0035] Working mode; when working, the fixing part 41 is clamped with the clamping groove 231 on the accessory 23 through the two clamping jaws 43, then the corresponding connecting part 42 is selected according to the size and position of the through hole of the circuit board, and the connecting part 42 is clamped on the top of the fixing part 41 by abutting against the first positioning protrusion 51 and the second positioning protrusion 52;

[0036] Then, the circuit board is arranged above the connecting part 42, the through hole of the circuit board abuts against the rubber convex column 421, the chain 22 is driven by the driving sprocket 21, and the accessory 23 is used to convey a plurality of connecting parts 42 to move intermittently, the circuit board is coated with oil by the film pressing mechanism 3, then the circuit board is taken out on the other side of the rack 1, and the circuit board is prevented from being bent when the chain 22 abuts against the sprocket 21.

[0037] The above is only the preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the technical field according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model can be replaced or changed equivalently, and all should be covered in the protection scope of the utility model.

Claims

1. A PCB circuit board laminator comprising a frame (1), characterized in that: The top of the frame (1) is provided with a conveying mechanism (2) and a film pressing mechanism (3), the conveying mechanism (2) is used for intermittent conveying a fixing assembly (4), the fixing assembly (4) is used for fixing a circuit board to cooperate with the film pressing mechanism (3) to press the circuit board to coat oil; The fixing assembly (4) comprises a plurality of fixing parts (41) and a connecting part (42), the connecting part (42) is used for plugging a through hole of the circuit board, and the connecting part (42) is combined with the fixing part (41) through a connecting structure (5).

2. The PCB laminator of claim 1, wherein: The conveying mechanism (2) comprises two groups of chain wheels (21) and chains (22), the two groups of chain wheels (21) are rotatably connected to the two sides of the frame (1), one group of chain wheels (21) is connected with a driving device, and each group of chain wheels (21) is driven by the chain (22), and the chain (22) is a roller chain with accessories (23).

3. The PCB laminator of claim 2, wherein: The fixing assembly (4) further comprises a claw (43), the accessory (23) is in an L-shaped structure, the two accessories (23) are arranged in parallel, and the top of each accessory (23) is provided with a clamping groove (231), the fixing part (41) is in a rectangular structure, the two sides of the bottom of the fixing part (41) are provided with the claw (43), and the two claws (43) are clamped in the two clamping grooves (231) respectively.

4. The PCB laminator of claim 1, wherein: The connecting structure (5) comprises a first positioning protrusion (51), the top of the fixing part (41) is provided with a plurality of first positioning protrusions (51) in the length direction, the plurality of first positioning protrusions (51) are arranged at intervals, and the top of the two adjacent first positioning protrusions (51) is clamped with the connecting part (42).

5. The PCB laminator of claim 4, wherein: The connecting part (42) is provided with a cavity, and the bottom midpoint of the connecting part (42) is provided with a second positioning protrusion (52), the second positioning protrusion (52) is the same as the first positioning protrusion (51), and the two sides of the two adjacent first positioning protrusions (51) are respectively abutted against the inner wall of the connecting part (42) and the second positioning protrusion (52).

6. The PCB laminator of claim 1, wherein: The top of the connecting part (42) is provided with a rubber protruding column (421) matched with the through hole of the circuit board, the opposite sides of the connecting part (42) on the left and right sides extend upward to form a stop edge (422), and the two stop edges (422) are used for abutting against the side edges of the circuit board.

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