CN221696307U - PCB grinds board device - Google Patents

Abstract

The utility model discloses a PCB grinding device, which comprises a base, wherein a first mounting groove is formed in the top surface of the base, a first stepping motor is mounted in the first mounting groove, an output end of the first stepping motor is clamped with an objective table, a thrust ball bearing is mounted on the bottom surface of the objective table, four groups of support rods are fixedly mounted on the top surface of the base, a mounting plate is fixedly mounted at one end of each of the four groups of support rods, a dust box, a fan and an electric cabinet are mounted on the top surface of the mounting plate, an electric telescopic rod is fixedly mounted on the bottom surface of the mounting plate, a rolling bearing is sleeved at one end of the electric telescopic rod, a bearing sleeve is fixedly sleeved on the side wall of the rolling bearing, a cantilever is fixedly sleeved on one end side wall of the electric telescopic rod, and a second mounting groove is formed in the bottom surface of the cantilever. The beneficial effects are that: the utility model adopts the polishing wheel, can realize continuous polishing of the periphery of the PCB and improves the working efficiency of the PCB polishing device.

Description

A PCB grinding device

Technical Field

The utility model relates to the technical field of PCB board processing, and in particular to a PCB board grinding device.

Background Art

PCB circuit board, also known as printed circuit board, is the provider of electrical connections for electronic components. The main advantage of using circuit boards is that they greatly reduce wiring and assembly errors, improve the level of automation and production labor rate; in the traditional PCB board production and processing process, in order to polish the PCB board, environmental control devices are now mostly used to complete the polishing of the PCB board. In actual use, it has the advantages of simple operation, stable structure and good use effect.

The prior art discloses a PCB board edge grinding device with publication number: CN217493711U, including a support platform and an edge grinding device, the edge grinding device is installed on the support platform, the edge grinding device includes a movable structure and a rotation positioning structure, the movable structure is installed on the support platform, the rotation positioning structure is installed on the support platform, and the movable structure includes: a screw module, a mounting platform, a lifting cylinder, a mounting block, a telescopic cylinder, a connecting frame, a grinding wheel and a driving motor. Through the mutual cooperation between the movable structure parts, the position of the grinding wheel can be quickly adjusted to realize automatic grinding of the plate, ensure the grinding requirements, improve the grinding efficiency, and ensure product quality.

In actual use, the above utility model needs to use a telescopic cylinder and a stepper motor to complete the PCB board polishing. Each time an edge is polished, the telescopic cylinder needs to be extended and retracted once and the stepper motor needs to be rotated once, but the two cannot run at the same time, which makes the polishing process discontinuous, increases the time consumed for polishing, is not conducive to large-scale processing, and reduces the work efficiency of this utility model.

Currently, no effective solution has been proposed for the problems in the related technologies.

Utility Model Content

1. Technical issues to be solved

In view of the deficiencies in the prior art, the utility model provides a PCB grinding device, which has the advantages of continuously and efficiently grinding the four sides of the PCB board, thereby solving the problems in the above-mentioned background technology.

(II) Technical solution

In order to achieve the above advantages of continuous and efficient polishing of the PCB board, the specific technical solutions adopted by the utility model are as follows:

A PCB grinding device comprises a base, wherein a first mounting groove is provided on the top surface of the base, a first stepper motor is installed inside the first mounting groove, an output end of the first stepper motor is clamped with a stage, a thrust ball bearing is installed on the bottom surface of the stage, four groups of support rods are fixedly installed on the top surface of the base, a mounting plate is fixedly installed on one end of the four groups of support rods, a dust collecting box, a fan and an electric control box are installed on the top surface of the mounting plate, an electric telescopic rod is fixedly installed on the bottom surface of the mounting plate, a rolling bearing is sleeved on one end of the electric telescopic rod, a bearing sleeve is fixedly sleeved on the side wall of the rolling bearing, a cantilever is fixedly sleeved on one end of the side wall of the electric telescopic rod, a second mounting groove is provided on the bottom surface of the cantilever, a threaded rod is installed inside the cantilever through a bearing, a second stepper motor is installed on one end of the cantilever, the output end of the second stepper motor is clamped with one end of the threaded rod, a moving block is slidably sleeved on the side wall of the threaded rod, a grinding motor is installed on the bottom surface of the moving block, and a grinding wheel is clamped on the output end of the grinding motor.

Furthermore, a dust hood is fixedly installed on the side wall of the movable block, a dust pipe is passed through the side wall of the dust hood, the dust pipe passes through the top surface of the mounting plate, one end of the dust pipe passes through one side of the dust collecting box, a filter bag is sleeved on one end of the dust pipe, a sealing door is installed on the top surface of the dust collecting box, and the input end of the fan passes through the other side of the dust collecting box.

Furthermore, the threaded rod and the moving block thread cooperate with each other.

Furthermore, four groups of supporting legs are welded to the bottom surface of the base.

Furthermore, a first rubber pad is bonded to the bottom surface of the bearing set, and a second rubber pad is bonded to the top surface of the loading platform.

Furthermore, a control panel is installed inside the electric control box, and the control panel is electrically connected to the electric telescopic rod, the fan, the grinding motor, the first stepper motor and the second stepper motor through wires.

(III) Beneficial effects

Compared with the prior art, the utility model provides a PCB grinding device, which has the following beneficial effects:

(1) The utility model adopts a grinding wheel. Before the PCB grinding device is actually used, the control panel is used to control the second stepper motor to start. The second stepper motor drives the threaded rod to rotate. The threaded rod pushes the moving block to move to the leftmost side. The PCB circuit board is placed on the stage. The electric telescopic rod is started. The electric telescopic rod drives the cantilever and the bearing sleeve to descend. The bearing sleeve presses the top surface of the PCB board to fix the PCB board. The cantilever also brings the grinding wheel to the same plane as the PCB board. The first stepper motor, the second stepper motor and the grinding motor are started through program control. The first stepper motor drives the PCB board to rotate. The grinding motor drives the grinding wheel to rotate. The program automatically controls the forward and reverse rotation of the second stepper motor according to the shape of the PCB board when the PCB board rotates, so that the grinding wheel can grind the PCB board around. Through the provided grinding wheel, continuous grinding around the PCB board can be achieved, thereby improving the working efficiency of the PCB grinding device.

(2) The utility model adopts a fan. When the PCB grinding plate device is actually used, the fan is started to extract the air in the dust box, forming a negative pressure in the dust box, thereby sucking the air in the dust pipe into the dust box, thereby forming an airflow. The powder debris generated by the grinding wheel grinding the PCB board enters the dust pipe under the restriction of the dust hood, and finally falls into the filter bag in the dust box. The filter bag can be replaced by opening the sealing door. The fan can collect the powder debris generated in the grinding process in the filter bag, which brings convenience to the cleaning work of the filter structure of the PCB grinding plate device.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

FIG1 is a schematic structural diagram of a PCB grinding device proposed by the present invention;

FIG2 is an enlarged view of A in FIG1 proposed by the present invention;

FIG3 is an enlarged view of B in FIG1 proposed by the present invention;

FIG. 4 is a three-dimensional view of the bearing sleeve provided by the present invention.

In the figure:

1. Base; 2. Support rod; 3. Mounting plate; 4. Dust suction pipe; 5. Dust collection box; 6. Sealed door; 7. Filter bag; 8. Fan; 9. Threaded rod; 10. Cantilever; 11. Electric telescopic rod; 12. Electric control box; 13. Support foot; 14. Rolling bearing; 15. Bearing sleeve; 16. First rubber pad; 17. Second rubber pad; 18. Loading table; 19. Thrust ball bearing; 20. First stepper motor; 21. First mounting slot; 22. Second stepper motor; 23. Dust hood; 24. Grinding wheel; 25. Grinding motor; 26. Moving block; 27. Second mounting slot.

DETAILED DESCRIPTION

To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

According to an embodiment of the utility model, a PCB grinding device is provided.

The utility model is further described in conjunction with the accompanying drawings and specific embodiments. As shown in Figures 1-4, a PCB grinding device according to an embodiment of the utility model includes a base 1, a first mounting groove 21 is provided on the top surface of the base 1, a first stepper motor 20 is installed inside the first mounting groove 21, an output end of the first stepper motor 20 is clamped with a stage 18, a thrust ball bearing 19 is installed on the bottom surface of the stage 18, four groups of support rods 2 are fixedly installed on the top surface of the base 1, a mounting plate 3 is fixedly installed on one end of the four groups of support rods 2, a dust box 5, a fan 8 and an electric control box 12 are installed on the top surface of the mounting plate 3, an electric telescopic rod 11 is fixedly installed on the bottom surface of the mounting plate 3, and one end of the electric telescopic rod 11 is fixedly installed A rolling bearing 14 is sleeved on the top, and a bearing sleeve 15 is fixedly sleeved on the side wall of the rolling bearing 14. A cantilever 10 is fixedly sleeved on the side wall of one end of the electric telescopic rod 11. A second mounting groove 27 is provided on the bottom surface of the cantilever 10. A threaded rod 9 is installed inside the cantilever 10 through a bearing. A second stepping motor 22 is installed on one end of the cantilever 10. The output end of the second stepping motor 22 is clamped with one end of the threaded rod 9. A moving block 26 is slidably sleeved on the side wall of the threaded rod 9. A grinding motor 25 is installed on the bottom surface of the moving block 26. A grinding wheel 24 is clamped on the output end of the grinding motor 25. Through the provided grinding wheel 24, continuous grinding around the PCB board can be achieved, thereby improving the working efficiency of the PCB grinding device.

In one embodiment, a dust hood 23 is fixedly installed on the side wall of the moving block 26, and a dust suction pipe 4 is penetrated through the side wall of the dust hood 23. The dust suction pipe 4 penetrates the top surface of the mounting plate 3, and one end of the dust suction pipe 4 penetrates one side of the dust collecting box 5. A filter bag 7 is sleeved on one end of the dust suction pipe 4. A sealing door 6 is installed on the top surface of the dust collecting box 5, and the input end of the fan 8 penetrates the other side of the dust collecting box 5. Through the set fan 8, the powder debris generated during the grinding process can be collected in the filter bag 7, which brings convenience to the cleaning work of the filter structure of the PCB grinding plate device.

In one embodiment, the threaded rod 9 and the moving block 26 are threadably matched with each other, so that the threaded rod 9 can push the moving block 26 to move.

In one embodiment, four groups of supporting legs 13 are welded to the bottom surface of the base 1 , and the supporting legs 13 serve to support the base 1 .

In one embodiment, a first rubber pad 16 is bonded to the bottom surface of the bearing set, and a second rubber pad 17 is bonded to the top surface of the stage 18. The first rubber pad 16 and the second rubber pad 17 can protect the PCB board, and at the same time, the first stepper motor 20 can play an anti-slip effect when driving the PCB board to rotate.

In one embodiment, a control panel is installed inside the electric control box 12, and the control panel is electrically connected to the electric telescopic rod 11, the fan 8, the grinding motor 25, the first stepper motor 20 and the second stepper motor 22 through wires. The controller can be implemented through simple programming by technicians in this field. It is common knowledge in this field and is only used without modification, so the control method and circuit connection will not be described in detail.

Working principle:

Before actually using the PCB grinding device, the control panel is used to control the second stepper motor 22 to start, the second stepper motor 22 drives the threaded rod 9 to rotate, the threaded rod 9 pushes the moving block 26 to move to the far left, the PCB circuit board is placed on the stage 18, the electric telescopic rod 11 is started, the electric telescopic rod 11 drives the cantilever 10 and the bearing sleeve 15 to descend, the bearing sleeve 15 presses the top surface of the PCB board, and the PCB board is fixed. The cantilever 10 also brings the grinding wheel 24 to the same plane as the PCB board. The first stepper motor 20, the second stepper motor 22 and the grinding motor 25 are started through program control. The first stepper motor 20 drives the PCB board to rotate, and the grinding motor 25 drives the grinding wheel 24 to rotate. The program automatically controls the rotation of the PCB board according to the shape of the PCB board. The second stepper motor 22 is controlled to rotate forward and reversely, so that the grinding wheel 24 can grind the four sides of the PCB board. The grinding wheel 24 is set, and continuous grinding of the four sides of the PCB board can be achieved, thereby improving the working efficiency of the PCB grinding device. During the grinding process, the fan 8 is started to extract the air in the dust box 5, and a negative pressure is formed in the dust box 5, so that the air in the dust pipe 4 is sucked into the dust box 5, thereby forming an airflow. The powder debris generated by the grinding wheel 24 grinding the PCB board enters the dust pipe 4 under the restriction of the dust cover 23, and finally falls into the filter bag 7 in the dust box 5. The filter bag 7 can be replaced by opening the sealing door 6. The fan 8 can collect the powder debris generated during the grinding process in the filter bag 7, which brings convenience to the cleaning work of the filter structure of the PCB grinding device.

In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A PCB grinding device is characterized by comprising a base (1), a first mounting groove (21) is formed in the top surface of the base (1), a first stepping motor (20) is mounted in the first mounting groove (21), an objective table (18) is clamped at the output end of the first stepping motor (20), a thrust ball bearing (19) is mounted on the bottom surface of the objective table (18), four groups of support rods (2) are fixedly mounted on the top surface of the base (1), a mounting plate (3) is fixedly mounted at one end of the support rods (2), a dust collection box (5), a fan (8) and an electric cabinet (12) are mounted on the top surface of the mounting plate (3), an electric telescopic rod (11) is fixedly mounted on the bottom surface of the mounting plate (3), a rolling bearing (14) is sleeved at one end of the electric telescopic rod (11), a bearing sleeve (15) is fixedly sleeved on the side wall of the rolling bearing (14), a cantilever (10) is fixedly sleeved on one end side wall of the electric telescopic rod (11), a second mounting groove (27) is formed in the bottom surface of the cantilever (10), a second cantilever (27) is mounted on the bottom surface of the cantilever (10), a second threaded rod (10) is mounted on the end of the cantilever, the output end of the second stepping motor (22) is clamped with one end of the threaded rod (9), a moving block (26) is sleeved on the side wall of the threaded rod (9) in a sliding mode, a polishing motor (25) is mounted on the bottom face of the moving block (26), and a polishing wheel (24) is clamped at the output end of the polishing motor (25).

2. The PCB grinding device according to claim 1, characterized in that a dust hood (23) is fixedly arranged on the side wall of the moving block (26), a dust collection pipe (4) penetrates through the side wall of the dust collection hood (23), the dust collection pipe (4) penetrates through the top surface of the mounting plate (3), one end of the dust collection pipe (4) penetrates through one side of the dust collection box (5), a filter bag (7) is sleeved at one end of the dust collection pipe (4), a sealing door (6) is arranged on the top surface of the dust collection box (5), and the input end of the fan (8) penetrates through the other side of the dust collection box (5).

3. A PCB grinding device according to claim 1, characterized in that the threaded rod (9) is screw-fitted with a moving block (26).

4. A PCB grinding device according to claim 1, characterized in that the bottom surface of the base (1) is welded with four sets of support feet (13).

5. A PCB grinding device according to claim 1, characterized in that the bearing set has a first rubber pad (16) bonded to the bottom surface and a second rubber pad (17) bonded to the top surface of the stage (18).

6. The PCB grinding device according to claim 1, wherein a control panel is mounted inside the electric cabinet (12), and the control panel is electrically connected with the electric telescopic rod (11), the fan (8), the grinding motor (25), the first stepping motor (20) and the second stepping motor (22) through electric wires.