A high-efficiency edge grinding machine for PCB circuit board processing

Abstract

This invention relates to an edge grinding machine, and more particularly to a high-efficiency edge grinding machine for PCB circuit board processing. The invention provides a high-efficiency edge grinding machine for PCB circuit board processing, comprising a mounting platform, an integrated controller, and a support frame. The mounting platform has through holes for the circuit board to drop off. The integrated controller and the support frame are fixedly mounted on the mounting platform. The machine also includes a material feeding basket, which is fixedly mounted on the support frame. This invention achieves intermittent feeding of the circuit board by setting blocks below the material feeding basket and moving the two blocks when the moving frame moves. A pusher plate is installed inside the material feeding basket, which pushes the circuit board towards the dropping groove under the elastic action of a return spring. This, combined with the automatic feeding of the circuit board, improves the edge grinding efficiency of the circuit board with a simple mechanical structure and reduces the workload of manual placement.

Description

Technical Field

[0001] This invention relates to an edge grinding machine, and more particularly to a high-efficiency edge grinding machine for PCB circuit board processing. Background Technology

[0002] A PCB (Printed Circuit Board) is a type of circuit board that uses an insulating board as its base material. It is cut to a certain size and has at least one conductive pattern on it, along with holes (such as component holes, mounting holes, and metallized holes). It is used to replace the traditional chassis for mounting electronic components and to enable interconnection between electronic components. Because this type of board is made using electronic printing technology, it is called a "printed circuit board".

[0003] According to Chinese patent publication document CN215357635U, an edge grinding machine is disclosed, which has a frame, a guide component is fixedly installed on the frame, a transmission component is meshed with one side of the guide component, and a plurality of control components are fixedly installed along the length of one side of the frame, and a suction cup steering component is fixedly installed between each control component.

[0004] Although the aforementioned patent can perform edge grinding on PCB circuit boards, in actual use, the patent requires manual placement of the circuit boards, which is time-consuming and labor-intensive, thus limiting the production efficiency of the circuit boards. Summary of the Invention

[0005] In order to overcome the shortcomings mentioned in the background art, the present invention provides an efficient edge grinding machine for PCB circuit board processing, thereby solving the above problems.

[0006] The technical implementation of this invention is as follows: A high-efficiency PCB edge grinding machine includes a mounting platform, an integrated controller, and a support frame. The mounting platform has a through hole for the PCB to fall through. The integrated controller is fixedly mounted on the mounting platform, and the support frame is also fixedly mounted on the mounting platform. The machine further includes a feeding basket, a cylinder, a moving frame, an edge grinder, a push plate, a return spring I, and a material stop assembly. The feeding basket is fixedly mounted on the support frame. The feeding basket has a material drop groove adapted to the falling PCB, located directly above the through hole on the mounting platform. The feeding basket has a material drop groove that allows the PCB to fall through. A sliding push plate is provided, with symmetrical return springs I between the push plate and the feeding basket. A cylinder electrically connected to an integrated controller is fixedly installed on the support frame. A movable frame is fixedly connected to the telescopic rod of the cylinder. An edge grinder electrically connected to the integrated controller is symmetrically and rotatably installed on the movable frame. A material blocking assembly for controlling the circuit board falling out of the feeding basket is provided on the support frame. The material blocking assembly includes a guide rod and a stop block. A guide rod is fixedly installed on the support frame. A stop block that can slide back and forth along the guide rod is symmetrically provided on the guide rod. Both stops are located below the feeding basket's discharge chute.

[0007] More preferably, the material blocking assembly also includes a return spring and a top block. Each of the two blocks is provided with an inclined surface I that is inclined towards the material drop chute of the lower material basket. A return spring is provided between the two blocks. Top blocks are symmetrically fixedly installed on the moving frame. When the moving frame moves, the two top blocks will abut against the inclined surface I of the block on the same side.

[0008] More preferably, it also includes an adjustment assembly, which includes a threaded rod, a knob, and a guide block. The right side of the support frame is symmetrically threaded with threaded rods, and knobs are fixedly installed at the ends of the threaded rods that are far apart from each other. The right side of the support frame is symmetrically provided with guide blocks that are threadedly connected to the threaded rods on the same side.

[0009] More preferably, each of the two guide blocks is provided with an inclined surface II that slopes toward each other.

[0010] More preferably, it also includes a receiving component, which includes an electric push rod, a clamping block, a baffle, and a return spring II. Electric push rods electrically connected to the integrated controller are symmetrically fixedly installed on the mounting platform. Clamping blocks are fixedly connected to the telescopic rods of the two electric push rods respectively. Baffles are symmetrically slidably installed at the through holes of the mounting platform. Return spring II is provided at the connection between the two baffles and the mounting platform.

[0011] More preferably, it also includes an elastic push rod and a wedge block. The bottom surfaces of the two clamping blocks are respectively fixedly installed with elastic push rods, and the top surfaces of the two baffles are respectively fixedly connected with wedge blocks. When the clamping blocks move, the elastic push rods will abut against the wedge blocks on the same side.

[0012] More preferably, the inclined surfaces of the two wedges face away from each other.

[0013] More preferably, it also includes a limit frame, with a limit frame adapted to guide the stacked circuit board fixedly installed above the two baffles.

[0014] More preferably, it also includes a collection basket, which is installed in the mounting platform and can be pulled outwards.

[0015] More preferably, it also includes a buffer block, with the buffer block tilted towards the collection basket fixedly installed inside the mounting platform.

[0016] Compared with the prior art, the present invention has the following advantages: 1. The present invention sets a stop block below the feeding basket and moves the two stop blocks by pushing them when the moving frame moves, thereby realizing the intermittent feeding of the circuit board. A push plate is set in the feeding basket so that the push plate pushes the circuit board to the feeding trough under the elastic action of the return spring. This cooperates with the automatic feeding of the circuit board, thereby improving the edge grinding efficiency of the circuit board with a simple mechanical structure and reducing the amount of manual placement.

[0017] 2. The present invention sets a limiting frame directly below the material drop chute of the feeding basket, so that the circuit board can fall between the two limiting frames, thereby ensuring the accuracy of the falling position of the circuit board and thus ensuring the edge grinding effect of the circuit board.

[0018] 3. This invention sets a baffle at the through hole of the mounting platform to receive the circuit board to be ground, and sets an elastic push rod on the clamping block. The automatic movement of the two baffles is achieved through the cooperation of the elastic push rod and the wedge block, thereby controlling the opening and closing of the through hole of the mounting platform, so that the circuit board can be automatically discharged after grinding, thereby further improving the grinding efficiency of the circuit board. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0020] Figure 2 This is a partial structural schematic diagram of the present invention.

[0021] Figure 3 This is a cross-sectional structural diagram of the material feeding basket of the present invention.

[0022] Figure 4 This is a schematic diagram of the material blocking assembly of the present invention.

[0023] Figure 5 This is a schematic diagram of the structure of the adjustment component of the present invention.

[0024] Figure 6 This is a schematic diagram of the structure of the receiving component of the present invention.

[0025] Figure 7 This is a schematic diagram of the structure of the receiving component, elastic top rod, and wedge block of the present invention.

[0026] Figure 8 This is a partial structural diagram of the receiving component of the present invention.

[0027] Figure 9 This is a cross-sectional structural diagram of the mounting platform of the present invention.

[0028] The components in the attached diagram are labeled as follows: 1. Mounting platform, 2. Integrated controller, 3. Support frame, 4. Feed basket, 5. Cylinder, 6. Moving frame, 7. Edge grinder, 801. Push plate, 802. Return spring I, 803. Guide rod, 804. Stop block, 804a. Inclined surface I, 805. Return spring, 806. Top block, 901. Threaded rod, 902. Knob, 903. Guide block, 903a. Inclined surface II, 1001. Electric push rod, 1002. Clamping block, 1003. Baffle, 1004. Return spring II, 1101. Elastic top rod, 1102. Wedge block, 12. Limiting frame, 13. Collection basket, 14. Buffer block. Detailed Implementation

[0029] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0030] Example: A high-efficiency edge grinding machine for PCB circuit board processing, such as... Figures 1-4 As shown, the system includes a mounting platform 1, an integrated controller 2, and a support frame 3. A through hole for the circuit board to fall into the center of the top surface of the mounting platform 1 is provided. The integrated controller 2 is bolted to the upper front of the mounting platform 1. The support frame 3 is bolted to the top surface of the mounting platform 1. The system also includes a feeding basket 4, a cylinder 5, a moving frame 6, an edge grinder 7, a push plate 801, a return spring 802, and a material stop assembly. The feeding basket 4 is bolted to the left side of the top surface of the support frame 3. A material drop chute for the circuit board to fall into the bottom surface of the feeding basket 4 is provided on the right side of the bottom surface. The material drop chute is located directly above the through hole of the mounting platform 1. The feeding basket 4 contains a push plate 801 that can slide left and right along it. The push plate 801 and the feeding basket... A return spring I 802 is symmetrically arranged between the inner left sides of the support frame 3. A cylinder 5 electrically connected to the integrated controller 2 is installed on the right side of the support frame 3 by bolts. A movable frame 6 is connected to the telescopic rod of the cylinder 5 by bolts. A grinding tool 7 electrically connected to the integrated controller 2 is symmetrically and rotatably installed on the lower part of the movable frame 6. A material blocking assembly for controlling the circuit board falling in the material basket 4 is provided on the support frame 3. The material blocking assembly includes a guide rod 803 and a stop block 804. A guide rod 803 is installed on the right side of the bottom surface of the support frame 3 by bolts. A stop block 804 that can slide along the guide rod 803 is symmetrically arranged on the guide rod 803. Both stops 804 are located below the material drop chute of the material basket 4.

[0031] like Figure 1 , Figure 3 and Figure 4 As shown, the material blocking assembly also includes a return spring 805 and a top block 806. The bottom surfaces of the two blocks 804 are respectively provided with inclined surfaces I 804a that are inclined towards the material drop chute of the downward material basket 4. A return spring 805 is provided between the two blocks 804. The lower part of the moving frame 6 is symmetrically equipped with top blocks 806 by bolts. When the moving frame 6 moves, the two top blocks 806 will abut against the inclined surfaces I 804a of the blocks 804 on the same side.

[0032] like Figure 1 and Figure 5As shown, it also includes an adjustment assembly, which includes a threaded rod 901, a knob 902, and a guide block 903. The front and rear of the right side of the support frame 3 are symmetrically connected with threaded rods 901. The ends of the threaded rods 901 that are far apart from each other are respectively installed with knobs 902 by bolts. The right side of the support frame 3 is symmetrically provided with guide blocks 903 that are threaded to the two threaded rods 901 on the same side. The top surfaces of the two guide blocks 903 are respectively provided with inclined surfaces II 903a that are inclined towards each other. When the moving frame 6 moves downward, the edge grinder 7 will abut against the guide block 903 on the same side.

[0033] like Figure 1 and Figures 6-8 As shown, it also includes a receiving assembly, which includes an electric push rod 1001, a clamping block 1002, a baffle 1003, and a return spring II 1004. The top surface of the mounting platform 1 is symmetrically mounted with electric push rods 1001 that are electrically connected to the integrated controller 2 by bolts. The telescopic rods of the two electric push rods 1001 are respectively connected with clamping blocks 1002 by bolts. The two clamping blocks 1002 are located directly above the through hole of the mounting platform 1. The baffles 1003 are symmetrically and slidably mounted at the through hole of the mounting platform 1. The connection between the two baffles 1003 and the mounting platform 1 is respectively provided with return spring II 1004.

[0034] like Figure 1 and Figures 6-8 As shown, it also includes an elastic push rod 1101 and a wedge block 1102. The bottom surfaces of the two clamping blocks 1002 are respectively bolted with elastic push rods 1101. The top surfaces of the two baffles 1003 are respectively bolted to the sides that are close to each other. The inclined surfaces of the two wedge blocks 1102 face the sides that are far apart from each other. When the clamping blocks 1002 move, the elastic push rod 1101 will abut against the wedge block 1102 on the same side.

[0035] like Figure 1 , Figure 6 and Figure 7 As shown, it also includes a limit frame 12. The limit frame 12, which is adapted to guide the stacked circuit boards, is installed above the two baffles 1003 by bolts. The two limit frames 12 are located directly below the discharge chute of the discharge basket 4. The circuit boards falling from the discharge chute of the discharge basket 4 will fall downwards between the two limit frames 12.

[0036] like Figure 1 , Figure 6 and Figure 9 As shown, it also includes a collection basket 13. The inner bottom surface of the mounting platform 1 is provided with a collection basket 13 that can be pulled out from its right side. The collection basket 13 is located below the through hole of the mounting platform 1. The collection basket 13 will collect the circuit boards that have been ground.

[0037] like Figure 9As shown, it also includes a buffer block 14. The inner center of the mounting platform 1 is bolted with a buffer block 14 that is inclined toward the collection basket 13. The buffer block 14 is located directly below the through hole of the mounting platform 1. The buffer block 14 will buffer and dampen the circuit board that falls from the through hole of the mounting platform 1.

[0038] Initially, the two stop blocks 804 block the material feeding chute of the feeding basket 4, and the two baffles 1003 are close to each other, blocking the through hole of the mounting table 1. When the PCB circuit board needs to be edge-ground, first turn the knob 902. The knob 902 will drive the two guide blocks 903 to move closer or further apart through the threaded rod 901, thereby adjusting the distance between the two guide blocks 903 to adapt to the actual grinding requirements. Then, 30 PCB circuit boards to be ground are placed into the feeding basket 4, and the push plate 801 will spring back to the return spring 1 802. Under the action of the force, the circuit board is pushed to the right along the feeding basket 4, so that the rightmost circuit board moves onto the material drop chute of the feeding basket 4. Then, the edge grinding program is started through the integrated controller 2. The integrated controller 2 will first activate the extension rod of the cylinder 5 to retract upward. The extension rod of the cylinder 5 will drive the moving frame 6 to move synchronously. The moving frame 6 will push the corresponding inclined surface I 804a through the two top blocks 806, so that the two stop blocks 804 move away from each other along the guide rod 803. The return spring I 802 will be stretched, so that the stop blocks 804 lose their resistance to the material drop chute of the feeding basket 4. When the circuit board on the far right of the feeding basket 4 is blocked, it will slide down from the material drop chute. Then, the integrated controller 2 will activate the telescopic rod of the cylinder 5 to extend downwards, thereby causing the top block 806 to lose its pushing action on the stop block 804. The return spring 1 802 will reset, causing the two stop blocks 804 to move closer to each other and block the material drop chute of the feeding basket 4 again. This achieves intermittent feeding of the circuit board. The falling circuit board will fall between the two limit frames 12 onto the two baffles 1003. The limit frames 12 will ensure the accuracy of the circuit board's falling position, thereby ensuring the grinding effect of the circuit board. The integrated controller 2 will activate the two electric push rods 1001. The telescopic rods of the two electric push rods 1001 will drive the two clamping blocks 1002 to move closer to each other, thereby clamping and fixing the circuit board between the two limit frames 12, thus ensuring that the circuit board is perpendicular to the mounting platform 1, and further ensuring the polishing effect of the circuit board. During the movement of the two clamping blocks 1002 closer to each other, the elastic push rod 1101 will be pushed and retracted by the inclined surface of the wedge block 1102 on the same side. After passing through the corresponding wedge block 1102, the elastic push rod 1101 will return to its original position.

[0039] As the moving frame 6 moves downward, it drives the two edge grinders 7 to move downward synchronously. The edge grinders 7 rotate along the inclined plane II 903a towards each other, thus grinding the edge of the circuit board. The guide block 903 keeps the two edge grinders 7 in contact with the edge of the circuit board, ensuring the grinding effect. After grinding is completed, the integrated controller 2 activates the cylinder 5 to retract, thereby driving the moving frame 6 upward. At the same time, the integrated controller 2 causes the two electric push rods 1001 to retract synchronously. The two electric push rods 1001 drive the two clamping blocks 1002 to move away from each other, thus releasing the pressure on the edge of the circuit board. The clamped circuit board is held in place. As the two clamping blocks 1002 move away from each other, the two clamping blocks 1002 will push the wedge block 1102 through the elastic push rod 1101, causing the two baffles 1003 to move away from each other synchronously. The return springs II 1004 are compressed, thereby opening the through hole of the mounting table 1, allowing the polished circuit board to fall downwards. The falling circuit board will land on the buffer block 14, which will absorb the impact force generated by the fall, thereby preventing damage to the circuit board. The circuit board will also fall along the buffer block 14 into the collection basket 13 for collection, thus completing the edge grinding process of a PCB circuit board.

[0040] Although this disclosure has been shown and described with reference to specific exemplary embodiments thereof, those skilled in the art will understand that various changes in form and detail may be made to this disclosure without departing from the spirit and scope of the disclosure as defined by the appended claims and their equivalents. Therefore, the scope of this disclosure should not be limited to the above embodiments, but should be defined not only by the appended claims, but also by their equivalents.

Claims

1. A high-efficiency PCB edge grinding machine, comprising a mounting table (1), an integrated controller (2), and a support frame (3), wherein the mounting table (1) has through holes for the PCB to fall off, the integrated controller (2) is fixedly mounted on the mounting table (1), and the support frame (3) is fixedly mounted on the mounting table (1), characterized in that, It also includes a feeding basket (4), a cylinder (5), a moving frame (6), an edge grinder (7), a push plate (801), a return spring I (802), and a material blocking assembly. The feeding basket (4) is fixedly installed on the support frame (3). The feeding basket (4) has a material dropping groove adapted to the falling circuit board. The material dropping groove is located directly above the through hole of the mounting platform (1). The feeding basket (4) has a push plate (801) that can slide left and right along it. The push plate (801) and the feeding basket (4) are symmetrically arranged front and back between them. The support frame (3) has a cylinder (5) that is electrically connected to the integrated controller (2). The moving frame (6) is fixedly connected to the telescopic rod of the cylinder (5). The moving frame (6) is symmetrically rotated and installed with the integrated controller (7). 2) The electrically connected edge grinder (7) has a support frame (3) equipped with a baffle assembly for controlling the falling of the circuit board inside the feed basket (4). The baffle assembly includes a guide rod (803) and a stop block (804). The guide rod (803) is fixedly installed on the support frame (3). The guide rod (803) is symmetrically provided with stop blocks (804) that can slide back and forth along it. Both stop blocks (804) are located below the feed chute of the feed basket (4). The baffle assembly also includes a return spring (805) and a top block (806). The two stop blocks (804) are respectively provided with inclined surfaces I (804a) that are inclined towards the feed chute of the feed basket (4). The return spring (805) is provided between the two stop blocks (804). The top block (806) is symmetrically fixedly installed on the moving frame (6). When the moving frame (6) moves, the two top blocks (806) will abut against the inclined surface I (804a) of the stop block (804) on the same side; it also includes a receiving component, which includes an electric push rod (1001), a clamping block (1002), a baffle (1003) and a return spring II (1004). The mounting platform (1) is symmetrically fixedly mounted with electric push rods (1001) that are electrically connected to the integrated controller (2). The telescopic rods of the two electric push rods (1001) are respectively fixedly connected with clamping blocks (1002). The through holes of the mounting platform (1) are symmetrically slidably mounted with baffles (1003). The connection between the two baffles (1003) and the mounting platform (1) is respectively provided with return spring II (1004); it also includes an elastic top rod (1101). The support frame (3) is equipped with a wedge block (1102), and the bottom surfaces of the two clamping blocks (1002) are respectively fixedly installed with elastic push rods (1101). The top surfaces of the two baffles (1003) are respectively fixedly connected with wedge blocks (1102). When the clamping block (1002) moves, the elastic push rod (1101) will abut against the wedge block (1102) on the same side. The support frame (3) also includes an adjustment component, which includes a threaded rod (901), a knob (902) and a guide block (903). The right side of the support frame (3) is symmetrically threaded with threaded rods (901) at the front and back. The ends of the threaded rods (901) that are far apart from each other are respectively fixedly installed with knobs (902). The right side of the support frame (3) is symmetrically provided with guide blocks (903) that are threadedly connected to the threaded rods (901) on the same side.The two guide blocks (903) are each provided with inclined surfaces II (903a) that are inclined toward each other; the inclined surfaces of the two wedge blocks (1102) face away from each other; a limit frame (12) is also included, and a limit frame (12) adapted to guide the stacked circuit board is fixedly installed above the two baffles (1003); the downward movement of the moving frame (6) drives the two edge grinders (7) to move downward synchronously, and the edge grinders (7) will rotate along the inclined surface II (903a) in the direction of approaching each other, thereby grinding the edge of the circuit board.

2. A high-efficiency PCB edge grinding machine according to claim 1, characterized in that, It also includes a collection basket (13), and the mounting platform (1) is equipped with a collection basket (13) that can be pulled outward.

3. A high-efficiency edge grinding machine for PCB circuit board processing according to claim 2, characterized in that, It also includes a buffer block (14), and a buffer block (14) inclined toward the collection basket (13) is fixedly installed inside the mounting platform (1).

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