CN219649533U - Board grinding machine for surface treatment of PCB - Google Patents

Abstract

The utility model discloses a plate grinding machine for PCB surface treatment, which comprises: the workbench is characterized in that two supporting frames are fixedly arranged at the upper end of the workbench, which is positioned on the right side, a same conveying belt is arranged between the two supporting frames, a baffle assembly is arranged at the upper end of the supporting frames on the left side, a material collecting groove is arranged at the upper end of the workbench on the left side, an L-shaped seat is slidably connected at the upper end of the workbench, and a clamping mechanism is fixedly arranged at the upper end of the horizontal section of the L-shaped seat. According to the utility model, the PCB to be processed is limited and conveyed through the conveyer belt matched with the baffle, the first sliding guide rail is matched with the first sliding guide block to drive the clamping mechanism to clamp and feed the PCB to be processed, the second linear sliding rail is matched with the second sliding guide block to adjust the relative movement of the two fixing seats until the PCB can be placed on the two backing plates, and the third cylinder drives the L-shaped clamping block to clamp and position the PCB by matching with the backing plates, so that the automatic feeding and discharging and positioning of the PCB are realized, and the processing efficiency is improved.

Description

Board grinding machine for surface treatment of PCB

Technical Field

The utility model relates to the technical field of PCB processing, in particular to a plate grinding machine for PCB surface treatment.

Background

The copper-clad plate is a plate-shaped material which is formed by dipping a reinforcing material with resin, coating copper foil on one surface or two surfaces, and hot-pressing, wherein the copper-clad plate is a basic material of a PCB, and copper foil on the surface of the PCB needs to be polished in the production process of the PCB so as to remove oxides on the surface of the copper foil and coarsen the surface of the copper foil, thereby enhancing the binding force between the copper foil and the coating film.

The existing plate grinding machine for processing the surface of a PCB (printed Circuit Board) is low in machining efficiency because the PCB is required to be manually operated to carry out loading and unloading and positioning during actual use, and the PCB is lack of a PCB protection structure during grinding, so that the PCB is easy to be damaged in a fracture mode, and the plate grinding machine for PCB surface treatment is provided for solving the problems.

Disclosure of Invention

The utility model provides a plate grinding machine for PCB surface treatment, which is used for solving the technical problems that the existing plate grinding machine for treating the surface of a PCB in the background art needs to manually operate the PCB to carry out loading and unloading and positioning during actual use, the machining efficiency is low, a PCB protection structure is absent in the grinding process, and the PCB is easy to be broken and damaged.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a board grinder for surface treatment of a PCB board, comprising:

the workbench is fixedly provided with two supporting frames at the upper end of the workbench on the right side, the same conveying belt is arranged between the two supporting frames, the upper end of the supporting frame on the left side is provided with a baffle assembly, the upper end of the workbench on the left side is provided with a material collecting groove, the upper end of the workbench is connected with an L-shaped seat in a sliding manner, and the upper end of the horizontal section of the L-shaped seat is fixedly provided with a clamping mechanism;

the positioning mechanism comprises two fixing seats which are respectively connected to the upper ends of the front side and the rear side of the workbench in a sliding mode, grooves are formed in the upper ends of the fixing seats, protection components are arranged in the grooves, U-shaped seats are fixedly connected to the upper ends of the fixing seats, and clamping components vertically penetrate through the upper ends of horizontal sections of the U-shaped seats.

Preferably, the baffle assembly comprises fixing blocks which are respectively and fixedly connected with the left side supporting frame and positioned at the upper ends of the front side and the rear side, baffle plates are fixedly connected to the side walls of the two fixing blocks, which are opposite to the conveying belt, and the lower ends of the baffle plates are close to the conveying belt.

Preferably, a first sliding guide rail is horizontally and fixedly arranged at the left and right of the upper end of the workbench, a first sliding guide block is connected to the first sliding guide rail in a sliding manner, and the lower end of the vertical section of the L-shaped seat is fixedly connected to the upper end of the first sliding guide block.

Preferably, the clamping mechanism comprises a first cylinder fixedly arranged at the upper end of the horizontal section of the L-shaped seat, a piston rod of the first cylinder vertically penetrates through the horizontal section of the L-shaped seat downwards, the lower end of the piston rod of the first cylinder is fixedly connected with a U-shaped plate, two limiting rods are fixedly connected on opposite side walls of the vertical sections at two sides of the U-shaped plate, the two limiting rods are movably sleeved with clamping pieces, the opposite side walls of the vertical sections on the two sides of the U-shaped plate are fixedly provided with second air cylinders, and piston rods of the second air cylinders horizontally penetrate through the side walls of the vertical sections of the U-shaped plate and are fixedly connected with the side walls of the two clamping pieces respectively.

Preferably, the upper ends of the workbench, which are positioned on the front side and the rear side, are fixedly provided with second linear slide rails, the two second linear slide rails are respectively and slidably connected with second sliding guide blocks matched with the second linear slide rails, the lower ends of the two fixing seats are respectively and fixedly connected with the upper ends of the two second sliding guide blocks, and the two second linear slide rails are perpendicular to the first sliding guide rails.

Preferably, the protection subassembly is including a plurality of buffer spring on two recess bottoms of fixed connection respectively, and is a plurality of with the same piece backing plate of upper end fixedly connected with of buffer spring, two all be equipped with spacing spout on the left and right sides inner wall of recess, the top surface of spacing spout and the upper end intercommunication setting of fixing base, a plurality of equal sliding connection has the spacing slider rather than assorted in the spacing spout, two with one side spacing slider respectively with the left and right sides both ends lateral wall fixed connection of backing plate, two all be equipped with the opening on the opposite lateral wall of recess, two backing plate and clamping component all run through both sides opening.

Preferably, the clamping assembly comprises third cylinders which are respectively and fixedly arranged at the upper ends of the horizontal sections of the central positions of the two U-shaped seats, the piston rods of the two third cylinders are vertically arranged through the horizontal sections of the U-shaped seats, the lower ends of the piston rods of the two third cylinders are fixedly connected with L-shaped clamping blocks, the vertical sections of the L-shaped clamping blocks are inserted into the grooves, and the horizontal sections of the L-shaped clamping blocks are respectively arranged through openings at two sides.

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

1. carry out spacing transportation through conveyer belt cooperation separation blade to treat the PCB board, drive fixture to treat the PCB board and carry out the centre gripping unloading by first sliding guide, the relative movement of two fixing bases is adjusted by second linear slide rail cooperation second sliding guide to the PCB board can be arranged in on two backing plates to drive L type clamp splice cooperation backing plate by the third cylinder and carry out the centre gripping location to the PCB board, realize the automatic unloading and the location of going up of PCB board, improve machining efficiency.

2. Through holding the location with the PCB board between L clamp splice and backing plate for a plurality of buffer spring cooperation backing plates in the recess provide buffering protection to the PCB board under spacing effect of spacing spout and spacing slider, avoid causing the fracture of PCB board impaired in the polishing process.

Drawings

Fig. 1 is a schematic perspective view of a board grinding machine for surface treatment of a PCB board according to the present utility model;

fig. 2 is a schematic structural view of a baffle assembly of a board grinding machine for surface treatment of a PCB board according to the present utility model;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

fig. 4 is a schematic structural diagram of a clamping mechanism of a board grinder for surface treatment of a PCB board according to the present utility model;

FIG. 5 is a partial enlarged view at B in FIG. 1;

fig. 6 is a schematic structural diagram of a positioning mechanism of a board grinder for surface treatment of a PCB board according to the present utility model.

In the figure: the device comprises a workbench, a supporting frame, a conveying belt, a collecting groove, a 5L-shaped seat, a fixing seat, a 7 groove, a 8U-shaped seat, a 9 fixing block, a 10 baffle plate, a first sliding guide rail, a first 12 sliding guide block, a first 13 cylinder, a 14U-shaped plate, a 15 limiting rod, a 16 clamping piece, a second 17 cylinder, a second 18 linear sliding rail, a second 19 sliding guide block, a 20 buffer spring, a 21 backing plate, a 22 limiting sliding groove, a 23 limiting sliding block, a 24 opening, a third 25 cylinder and a 26L-shaped clamping block.

Detailed Description

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-6, a board grinding machine for surface treatment of a PCB board, comprising:

the workbench 1, the upper end fixed mounting that workbench 1 is located the right side has two support frames 2, be equipped with same conveyer belt 3 between two support frames 2, support frame 2 is used for providing stable support to conveyer belt 3, conveyer belt 3 is prior art, do not make this in detail, the upper end of left side support frame 2 is equipped with separates the shelves subassembly, separate the shelves subassembly including fixed connection respectively in left side support frame 2 is located the fixed block 9 of front and back both sides upper end, two fixed blocks 9 are just to the equal fixedly connected with separation blade 10 on the lateral wall of conveyer belt 3, separation blade 10 can carry out spacingly to the PCB board of waiting on the conveyer belt 3, make it be located separation blade 10's right side all the time, separation blade 10's lower extreme is close to conveyer belt 3 setting, the left side upper end of workbench 1 is equipped with the collecting channel 4.

The upper end sliding connection of workstation 1 has L type seat 5, and horizontal fixed mounting has first sliding guide 11 about the upper end of workstation 1, and sliding connection has first sliding guide 12 on the first sliding guide 11, and the vertical section lower extreme fixed connection of L type seat 5 is in the upper end of first sliding guide 12, and the model of first sliding guide 11 is: SKR12, first sliding guide 11 cooperates first sliding guide 12 to drive L type seat 5 along first sliding guide 11 horizontal reciprocating motion, when removing to conveyer belt 3 top, drive two grip tabs 16 on the U template 14 by first cylinder 13 and carry out the centre gripping to the PCB board under the spacing effect of gag lever post 15, and remove the PCB of centre gripping along first sliding guide 11 between two fixing bases 6, L type seat 5 horizontal segment upper end fixed mounting has fixture, fixture includes fixed mounting in the first cylinder 13 of L type seat 5 horizontal segment upper end, the model of first cylinder 13 is: SCD50x100-100-LB, first cylinder 13 is used for driving U template 14 and centre gripping piece 16 vertical lift, the piston rod of first cylinder 13 is vertical runs through the horizontal segment setting of L type seat 5 downwards, the lower extreme fixedly connected with U template 14 of first cylinder 13 piston rod, fixedly connected with two gag lever posts 15 on the vertical section opposite side wall in both sides of U template 14, gag lever post 15 is used for spacing the removal of centre gripping piece 16, all movable sleeve has been pressed from both sides centre gripping piece 16 on two gag lever posts 15, all fixed mounting has second cylinder 17 on the vertical section opposite side wall in both sides of U template 14, the model of second cylinder 17 is: SCD15x30-30-LB, second cylinder 17 is used for driving two grip blocks 16 under the spacing effect of gag lever post 15 relative movement, and the piston rod of two second cylinders 17 all runs through the vertical section lateral wall setting of U template 14 horizontally to with the lateral wall fixed connection of two grip blocks 16 respectively.

The positioning mechanism comprises two fixing seats 6 which are respectively connected with the upper ends of the front side and the rear side of the workbench 1 in a sliding manner, the upper ends of the front side and the rear side of the workbench 1 are fixedly provided with second linear slide rails 18, and the model of the second linear slide rails 18 is as follows: the SKR10, the second linear slide rail 18 cooperates with the second sliding guide block 19 to drive two fixed seats 6 to move relatively or oppositely, the relative distance of the two fixed seats 6 is adjusted to adapt to the clamping and positioning of PCB boards of different sizes, the two second linear slide rails 18 are all connected with the second sliding guide block 19 matched with the second linear slide rail in a sliding manner, the lower ends of the two fixed seats 6 are respectively fixedly connected with the upper ends of the two second sliding guide blocks 19, the two second linear slide rails 18 are all perpendicular to the first sliding guide rail 11, and the upper ends of the two fixed seats 6 are all provided with grooves 7.

The protection assembly is arranged in each of the two grooves 7 and comprises a plurality of buffer springs 20 fixedly connected to the bottoms of the two grooves 7 respectively, the upper ends of the buffer springs 20 on the same side are fixedly connected with the same base plate 21, limiting sliding grooves 22 are formed in the inner walls of the left side and the right side of the two grooves 7 respectively, the top surfaces of the limiting sliding grooves 22 are communicated with the upper ends of the fixing seats 6, limiting sliding blocks 23 matched with the limiting sliding grooves are slidably connected in the limiting sliding grooves 22, the limiting sliding blocks 23 on the same side are fixedly connected with the side walls of the left end and the right end of the base plate 21 respectively, the limiting sliding blocks 23 move in the limiting sliding grooves 22, the base plate 21 can conveniently move in the grooves 7, the buffer springs 20 are compressed, the elastic performance of the buffer springs 20 is matched with the base plate 21 to provide buffer protection for the PCB under the limiting effect of the limiting sliding grooves 22 and the limiting sliding blocks 23, breakage damage to the PCB is avoided in the polishing process, openings 24 are formed in the opposite side walls of the two grooves 7, and the two base plates 21 and the clamping assembly penetrate through the openings 24 on the two sides.

The equal fixedly connected with U type seat 8 in upper end of two fixing bases 6, the horizontal segment upper end of two U type seats 8 is all vertical runs through and is equipped with clamping assembly, clamping assembly is including the third cylinder 25 that is located central point put horizontal segment upper end in two U type seats 8 of fixed mounting respectively, and the model of third cylinder 25 is: SCD20x40-40-LB, third cylinder 25 are used for driving L type clamp splice 26 cooperation backing plate 21 to carry out the centre gripping location to the PCB board, and the piston rod of two third cylinders 25 is all vertical runs through the horizontal segment setting of U type seat 8, and the piston rod lower extreme of two third cylinders 25 is all fixedly connected with L type clamp splice 26, and in the recess 7 was all inserted to the vertical section of two L type clamp splice 26, the horizontal segment of two L type clamp splice 26 was run through both sides opening 24 setting respectively.

When the utility model is used, the PCB to be processed is placed on the conveying belt 3 of the supporting frames 2 at two sides for conveying, the baffle plates 10 on the two fixing blocks 9 limit the PCB to be processed, the PCB to be processed is always positioned at the right side of the baffle plates 10, the first sliding guide rail 11 is started to cooperate with the first sliding guide block 12 to drive the first air cylinder 13 on the L-shaped seat 5 to horizontally reciprocate, so that the L-shaped seat 5 clamps the PCB under the limit action of the limiting rod 15 by the first air cylinder 13, the clamped PCB is moved between the two fixing seats 6 along the first sliding guide rail 11, the second linear sliding rail 18 cooperates with the second sliding guide block 19 until the PCB to be processed can be positioned on the two base plates 21, the third air cylinder 25 is started to drive the L-shaped clamping block 26 to cooperate with the base plates 21 for clamping and positioning the PCB, the automatic loading and positioning of the PCB are realized, the processing efficiency is improved, when the PCB is moved to the right side of the baffle plates 10, the first air cylinder 13 drives the two clamping plates 16 on the U-shaped plate 14 to clamp the PCB under the limit action of the limiting rod 15, the limiting guide rail 11 is matched with the second linear sliding guide rail 18 to drive the two fixing seats 6, the two base plates 23 to drive the PCB to move between the two fixing seats 6 along the first sliding guide rail 18, the two sliding guide rail 18 to drive the two fixing seats 23 to move relatively, the PCB to be processed, and the buffer the PCB to be clamped by the two base plates to be clamped by the buffer blocks 23 is prevented from being clamped by the buffer the two base plates 21, and the buffer blocks 23 in the sliding guide blocks, and the buffer the PCB is positioned in the two base blocks and the buffer blocks and the PCB to be clamped to the PCB to be subjected to the position and the position.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (7)

1. A board grinding machine for surface treatment of a PCB board, comprising:

the automatic feeding device comprises a workbench (1), wherein two supporting frames (2) are fixedly arranged at the upper end of the workbench (1) positioned on the right side, a same conveying belt (3) is arranged between the two supporting frames (2), a baffle component is arranged at the upper end of the left side of the supporting frames (2), a collecting groove (4) is arranged at the upper end of the left side of the workbench (1), an L-shaped seat (5) is slidably connected at the upper end of the workbench (1), and a clamping mechanism is fixedly arranged at the upper end of the horizontal section of the L-shaped seat (5);

the positioning mechanism comprises two fixing seats (6) which are respectively connected with the upper ends of the front side and the rear side of the workbench (1) in a sliding mode, grooves (7) are formed in the upper ends of the fixing seats (6), protection components are arranged in the grooves (7), U-shaped seats (8) are fixedly connected with the upper ends of the fixing seats (6), and clamping components vertically penetrate through the upper ends of the horizontal sections of the U-shaped seats (8).

2. The board grinding machine for surface treatment of a PCB according to claim 1, wherein the baffle assembly comprises fixing blocks (9) which are respectively and fixedly connected with the left side supporting frame (2) and are positioned at the upper ends of the front side and the rear side, two baffle plates (10) are fixedly connected to the side walls of the two fixing blocks (9) which are opposite to the conveying belt (3), and the lower ends of the baffle plates (10) are arranged close to the conveying belt (3).

3. The board grinding machine for surface treatment of the PCB according to claim 1, wherein a first sliding guide rail (11) is horizontally and fixedly arranged at the left and right of the upper end of the workbench (1), a first sliding guide block (12) is connected to the first sliding guide rail (11) in a sliding manner, and the lower end of the vertical section of the L-shaped seat (5) is fixedly connected to the upper end of the first sliding guide block (12).

4. The plate grinding machine for surface treatment of a PCB according to claim 1, wherein the clamping mechanism comprises a first air cylinder (13) fixedly installed at the upper end of the horizontal section of the L-shaped seat (5), a piston rod of the first air cylinder (13) vertically penetrates through the horizontal section of the L-shaped seat (5) downwards, the lower end of the piston rod of the first air cylinder (13) is fixedly connected with a U-shaped plate (14), two limiting rods (15) are fixedly connected to opposite side walls of two vertical sections of the U-shaped plate (14), clamping pieces (16) are movably sleeved on the two limiting rods (15), second air cylinders (17) are fixedly installed on opposite side walls of two vertical sections of the U-shaped plate (14), and piston rods of the two second air cylinders (17) horizontally penetrate through the side walls of the vertical sections of the U-shaped plate (14) and are fixedly connected with the side walls of the two clamping pieces (16) respectively.

5. A board grinding machine for surface treatment of a PCB board according to claim 3, wherein, the upper ends of the two sides of the workbench (1) are fixedly provided with second linear sliding rails (18), two second linear sliding rails (18) are slidably connected with second sliding guide blocks (19) matched with the second linear sliding rails, the lower ends of the two fixing seats (6) are fixedly connected with the upper ends of the two second sliding guide blocks (19), and the two second linear sliding rails (18) are perpendicular to the first sliding guide rail (11).

6. The board grinding machine for surface treatment of a PCB board according to claim 1, wherein the protection component comprises a plurality of buffer springs (20) fixedly connected to the bottoms of two grooves (7), the upper ends of the buffer springs (20) on the same side are fixedly connected with the same pad plate (21), the inner walls on the left side and the right side of the two grooves (7) are respectively provided with a limit chute (22), the top surfaces of the limit chutes (22) are communicated with the upper ends of the fixing seats (6), a plurality of limit sliders (23) matched with the limit chutes are respectively and slidably connected in the limit chutes (22), the limit sliders (23) on the same side are respectively and fixedly connected with the side walls of the left end and the right end of the pad plate (21), openings (24) are respectively arranged on the opposite side walls of the two grooves (7), and the two pad plates (21) and the clamping component penetrate through the openings (24) on the two sides.

7. The plate grinding machine for surface treatment of a PCB board according to claim 6, wherein the clamping assembly comprises a third cylinder (25) fixedly installed at the upper ends of the horizontal sections of the two U-shaped seats (8), the piston rods of the two third cylinders (25) vertically penetrate through the horizontal sections of the U-shaped seats (8), the lower ends of the piston rods of the two third cylinders (25) are fixedly connected with L-shaped clamping blocks (26), the vertical sections of the two L-shaped clamping blocks (26) are inserted into the grooves (7), and the horizontal sections of the two L-shaped clamping blocks (26) are respectively penetrated through the openings (24) at two sides.