Polishing brush leveling mechanism of plate polishing machine
By designing a brush leveling mechanism on the grinding machine, the automatic leveling of the brush bristles is achieved using a lifting and swaying mechanism, which solves the problem of brush bristle tilting and offset on the grinding shaft, and improves production efficiency and grinding effect.
Patent Information
- Application Number
- CN202421061884.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-05-15
AI Technical Summary
After prolonged operation, the bristles on the existing PCB grinding machine tend to tilt or shift, resulting in some areas being unable to effectively grind the PCB. Stopping the machine to level the bristles affects production efficiency.
Design a brush leveling mechanism for a grinding machine. A lifting mechanism drives the main body of the grinding machine to move between the conveying mechanism and the leveling mechanism. The brush bristles are combed and leveled by the leveling wheel. Combined with the swing mechanism and guide rail, the brush bristles are ensured to meet the grinding requirements.
It enables automatic leveling of brush bristles without stopping the machine, improving production efficiency and grinding effect, and ensuring the flatness of the PCB board surface.
Smart Images

Figure CN223455722U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to printed circuit board processing equipment technical field especially relates to a grinding brush leveling mechanism of grinding machine. BACKGROUND
[0002] In the market, in the process of processing printed circuit board, the PCB circuit board needs to be treated in the grinding process to obtain a flat PCB board surface. The existing grinding equipment generally uses a grinding brush mechanism to grind the PCB board. In the case of long-time work, the bristles on the grinding brush shaft will be tilted and offset to the side due to frequent contact and friction with the PCB board, which will cause the grinding brush shaft to be unable to effectively grind the PCB board in some areas. When the bristles of the grinding brush shaft appear abnormal, the grinding brush shaft needs to be removed, the bristles of the grinding brush shaft need to be leveled, and then the grinding brush shaft is reinstalled on the grinding machine for use. In this process, the grinding machine needs to be stopped, which will seriously affect the production efficiency.
[0003] Therefore, the prior art has defects and needs to be improved. INVENTION CONTENTS
[0004] The utility model aims at overcoming the defects of the prior art and provides a grinding brush leveling mechanism of grinding machine.
[0005] The technical scheme of the utility model is as follows: a grinding brush leveling mechanism of grinding machine is provided, which comprises a machine frame, a conveying mechanism arranged on the machine frame, a movable grinding brush mechanism in movable contact with the conveying mechanism, and a leveling mechanism arranged beside the movable grinding brush mechanism. The movable grinding brush mechanism comprises a lifting mechanism arranged on one side of the machine frame and a grinding brush machine body arranged on the lifting mechanism. The lifting mechanism drives the grinding brush machine body to reciprocate between the conveying mechanism and the leveling mechanism and makes the grinding brush machine body contact with the conveying mechanism or the leveling mechanism respectively. The leveling mechanism comprises a leveling drive motor arranged on the machine frame and a leveling wheel connected with the output end of the leveling drive motor.
[0006] Further, the lifting mechanism adopts a sliding table air cylinder or a piston air cylinder, and the grinding brush machine body is arranged on the sliding table of the sliding table air cylinder or the end of the piston rod of the piston air cylinder.
[0007] Further, the lifting mechanism adopts a motor lead screw driving mechanism, and the grinding brush machine body is arranged on the moving end of the motor lead screw driving mechanism.
[0008] Further, the other side of the machine frame relative to the lifting mechanism is provided with a guide rail, the guide rail is arranged along the direction in which the lifting mechanism drives the brush machine body to move, and a sliding block is arranged on the guide rail, and the brush machine body is connected with the sliding block.
[0009] Further, the brush machine body comprises a swing mechanism, a swing support arranged on an output end of the swing mechanism, a brush shaft penetrating through the swing support, a transmission mechanism arranged on one end of the brush shaft, a power motor connected with the transmission mechanism, a brush sleeved on the brush shaft, and a sliding support arranged on the other end of the brush shaft, the swing mechanism drives one end of the brush shaft to swing, the power motor drives the brush shaft to rotate through the transmission mechanism, and the transmission mechanism adopts a belt wheel transmission mechanism.
[0010] Further, the swing mechanism comprises a swing motor, a transmission gear set arranged on an output end of the swing motor, and a swing arm connected with an output end of the transmission gear set, the swing arm is connected with the swing support, and the output end of the gear set is eccentrically arranged on the swing arm.
[0011] By the above scheme, the brush machine body is driven by the lifting mechanism to move between the conveying mechanism and the leveling mechanism, when the brush machine body contacts with the conveying mechanism, the PCB board conveyed on the conveying mechanism can be ground to ensure the flatness of the surface of the PCB board. After the grinding of the PCB board is completed, the brush machine body is moved to contact with the leveling mechanism through the lifting mechanism, so that the bristles on the brush machine body are combed and leveled by the leveling wheel, and the state of the bristles can meet the effect of subsequent grinding of the PCB board. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a structural schematic view of the utility model.
[0013] Figure 2 It is a structural schematic view of the brush machine body. DETAILED DESCRIPTION
[0014] The utility model will be explained in detail in combination with the drawings and specific embodiments.
[0015] Please refer to Figure 1The utility model provides a kind of grinding brush leveling mechanism of grinding machine, comprising: machine frame 1, be set on the conveying mechanism 2 of machine frame 1, with the movable contact of the conveying mechanism 2 movable grinding brush mechanism 3, and be set on the side of movable grinding brush mechanism 3's leveling mechanism 4, movable grinding brush mechanism 3 includes: be set on the lifting mechanism of one side of machine frame 1, and be set on the grinding brush machine main body of lifting mechanism, lifting mechanism drives grinding brush machine main body reciprocating between conveying mechanism 1 and leveling mechanism 4, and makes grinding brush machine main body respectively with conveying mechanism 1 or leveling mechanism 4 contact, leveling mechanism 4 includes: be set on the leveling drive motor of machine frame 1, and the output end connection of leveling drive motor's leveling wheel.
[0016] When conveying mechanism 2 moves the PCB to be ground between conveying mechanism 2 and movable grinding brush mechanism 3, lifting mechanism drives grinding brush machine main body to move towards the direction of conveying mechanism 2, so that the surface of PCB is ground by grinding brush machine main body.When the grinding of PCB is completed, and PCB moves to the grinding position away from movable grinding brush mechanism 3, lifting mechanism drives grinding brush machine main body to move towards the direction of leveling mechanism 4, starts leveling drive motor, drives leveling wheel to rotate, so that the bristles on grinding brush machine main body are combed in a certain direction, facilitating the grinding of subsequent PCB by grinding brush machine main body, and ensuring that the bristle state can meet the grinding requirements when grinding PCB. By lifting mechanism driving grinding brush machine main body to move between conveying mechanism 2 and leveling mechanism 4, when grinding brush machine main body contacts conveying mechanism 2, the PCB conveyed on conveying mechanism 2 can be ground, ensuring the flatness of PCB surface. After completing the grinding of PCB, lifting mechanism moves grinding brush machine main body to contact leveling mechanism 4, so that the bristles on grinding brush machine main body are combed and leveled by leveling wheel, so that the bristle state can meet the effect of subsequent grinding of PCB.
[0017] In some embodiments, the lifting mechanism adopts a sliding table cylinder or a piston cylinder, and the grinding brush machine main body is arranged on the sliding table of the sliding table cylinder or the end of the piston rod of the piston cylinder. Compressed air is provided by an air compression device to provide a driving power source for the sliding table cylinder or the piston cylinder, so as to drive the grinding brush machine main body to reciprocate between the conveying mechanism and the leveling mechanism, realize the grinding of PCB and the leveling of bristles, and ensure the stability of the grinding of PCB. The power source of the sliding table cylinder or the piston cylinder is clean energy, which can effectively reduce the impact on the environment, and can ensure the stability of the driving state and meet the driving requirements of the grinding brush machine main body.
[0018] In some embodiments, the lifting mechanism adopts a motor lead screw driving mechanism, and the brush grinding machine body is arranged on the moving end of the motor lead screw driving mechanism. When the motor lead screw driving mechanism is adopted, the motor drives the lead screw to rotate, thereby driving the lead screw block sleeved on the lead screw to move, so as to drive the brush grinding machine body to move. By adopting the motor lead screw driving mechanism, the accuracy of moving the brush grinding machine body is improved, and the stability of the effect of grinding the PCB and flattening the bristles is ensured.
[0019] The other side of the machine frame 1 relative to the lifting mechanism is provided with a guide rail, the guide rail is arranged along the direction in which the lifting mechanism drives the brush grinding machine body to move, a sliding block is arranged on the guide rail, and the brush grinding machine body is connected with the sliding block. The guide rail provides guidance for the movement of the sliding block, reduces the friction during movement, and ensures the stability of the brush grinding machine body during movement.
[0020] Please refer to Figure 2 , the brush grinding machine body comprises a swing mechanism 31, a swing support 32 arranged on the output end of the swing mechanism 31, a brush grinding shaft 33 penetrating through the swing support 32, a transmission mechanism 34 arranged on one end of the brush grinding shaft 33, a power motor connected with the transmission mechanism 34, a brush 35 sleeved on the brush grinding shaft 33, and a sliding support 36 arranged on the other end of the brush grinding shaft 33. The swing mechanism 31 drives one end of the brush grinding shaft 33 to swing, the power motor drives the brush grinding shaft 33 to rotate through the transmission mechanism 34, and the transmission mechanism 34 adopts a pulley transmission mechanism. The swing mechanism 31 drives the brush grinding shaft 33 to reciprocate along the sliding support 36, so as to grind the PCB in the longitudinal direction through the rotation of the brush 35, and grind the PCB in the transverse direction through the swinging action, thereby effectively improving the grinding effect. In addition, when the flattening mechanism 4 flattens the bristles on the brush grinding shaft 33, the swing mechanism 31 simultaneously drives the brush grinding shaft 33 to move transversely, thereby further ensuring the flattening effect of the bristles on the brush grinding shaft 33.
[0021] The swing mechanism 31 comprises a swing motor 311, a transmission gear set 312 arranged on the output end of the swing motor 311, and a swing arm 313 connected with the output end of the transmission gear set 312. The swing arm 313 is connected with the swing support 32, and the output end of the gear set 312 is eccentrically arranged on the swing arm 313. When the swing motor 311 is started, the transmission gear set 312 drives the swing arm 313 to eccentrically swing, and pulls the swing support 32 to move left and right along the direction of the guide rail, so as to meet the requirement of moving the brush 35 in the left and right directions, thereby grinding the surface of the PCB in the left and right directions, and effectively improving the grinding effect on the surface of the PCB.
[0022] In conclusion, the utility model discloses a lifting mechanism drive brush machine main part moves between conveying mechanism and leveling mechanism, when brush machine main part and conveying mechanism contact, can carry out the grinding of the PCB that conveying mechanism on the transportation, guarantee the even of PCB board surface. Complete the grinding of PCB board, move brush machine main part to contact with leveling mechanism through lifting mechanism, and then pass through the carding of leveling wheel to the bristle on brush machine main part and carry out the carding and flatten, make the bristle state can satisfy the effect of the subsequent grinding of PCB.
[0023] The above is only the preferred embodiment of the utility model, and is not used for limiting the utility model, and any modification, equivalent replacement and improvement etc. that are made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A grinding brush leveling mechanism of a grinding machine, characterized by, The machine frame, the conveying mechanism arranged on the machine frame, the movable grinding brush mechanism in contact with the conveying mechanism, and the leveling mechanism arranged beside the movable grinding brush mechanism, the movable grinding brush mechanism comprising: a lifting mechanism arranged on one side of the machine frame, and a grinding brush body arranged on the lifting mechanism, the lifting mechanism driving the grinding brush body to reciprocate between the conveying mechanism and the leveling mechanism, and making the grinding brush body contact with the conveying mechanism or the leveling mechanism respectively, the leveling mechanism comprising: a leveling drive motor arranged on the machine frame, and a leveling wheel connected with the output end of the leveling drive motor. The lifting mechanism adopts a slide cylinder or a piston cylinder, and the grinding brush body is arranged on the slide of the slide cylinder or the end of the piston rod of the piston cylinder.
2. The grinder brush leveling mechanism of claim 1, wherein, The lifting mechanism adopts a motor lead screw driving mechanism, and the grinding brush body is arranged on the moving end of the motor lead screw driving mechanism.
3. The brush lapping mechanism of claim 1 wherein, The other side of the machine frame relative to the lifting mechanism is provided with a guide rail, the guide rail is arranged along the direction in which the lifting mechanism drives the grinding brush body to move, a sliding block is arranged on the guide rail, and the grinding brush body is connected with the sliding block.
4. The brush lapping mechanism of claim 1 wherein, The grinding brush body comprises: a swing mechanism, a swing support arranged on the output end of the swing mechanism, a grinding brush shaft penetrating through the swing support, a transmission mechanism arranged on one end of the grinding brush shaft, a power motor connected with the transmission mechanism, a grinding brush sleeved on the grinding brush shaft, and a sliding support arranged on the other end of the grinding brush shaft, the swing mechanism drives one end of the grinding brush shaft to swing, the power motor drives the grinding brush shaft to rotate through the transmission mechanism, and the transmission mechanism adopts a belt wheel transmission mechanism.
5. The brush lapping mechanism of claim 1 wherein, The swing mechanism comprises: a swing motor, a transmission gear set arranged on the output end of the swing motor, and a swing arm connected with the output end of the transmission gear set, the swing arm is connected with the swing support, and the output end of the gear set is eccentrically arranged on the swing arm.
6. The brush lapping mechanism of claim 5 wherein,