Plate grinding machine
By adjusting the components and gear transmission system, the problem of uneven grinding in the grinding machine was solved, achieving a more efficient PCB grinding effect.
Patent Information
- Application Number
- CN202422952934.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-02
AI Technical Summary
When transporting PCB boards, the existing grinding machines have fixed grinding wheels, resulting in a low contact area and making it easy for uneven grinding and residue to occur.
An adjustment assembly was designed, including a connecting frame, a limiting rod, a limiting block, a movable frame, and a grinding wheel. The mounting frame is moved left and right by a drive motor to increase the contact area between the grinding wheel and the PCB board, and the conveying stability is improved by a gear transmission system.
It improves the uniformity and precision of grinding, reduces omissions, and enhances grinding efficiency and overall machine stability.
Smart Images

Figure CN223685017U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of plate grinding machine, and specifically relates to a plate grinding machine. BACKGROUND
[0002] The plate grinding machine is a device for grinding, polishing, leveling, decontaminating, improving surface roughness and removing copper scraps, resin and the like in holes of a plate surface, and the position and speed of a grinding tool are adjusted to adapt to plate materials of different thicknesses and materials.
[0003] In the prior art, the plate grinding machine is used, the feeding assembly is internally arranged, the PCB is sent into the machine, and the upper and lower staggered distribution polishing wheels are used to simultaneously process the two sides of the PCB, so that the PCB is conveniently polished, however, in the prior art, when the PCB is conveyed, the polishing wheels are fixedly arranged between the feeding assemblies, the contact area between the conveyed PCB and the polishing wheels is low, the plate is easily unevenly polished, and the PCB is easily left, and therefore, the plate grinding machine needs to be improved. UTILITY MODEL CONTENTS
[0004] To solve the problems in the background art, the utility model provides a plate grinding machine.
[0005] To achieve the above object, the utility model provides the following technical scheme: a plate grinding machine, which comprises a shell assembly, feeding assemblies are arranged on the two sides of the shell assembly, a plate feeding structure is arranged in the shell assembly, conveying structures are arranged above and below the plate feeding structure in the shell assembly, and an adjusting assembly is arranged below the conveying structures in the shell assembly.
[0006] The adjusting assembly comprises a connecting frame, the outer side of the connecting frame is connected with the inner wall of the shell assembly, a limiting rod is arranged in the connecting frame and located at the bottom of the movable frame, a limiting block is arranged at the top of the movable frame, a mounting frame is movably connected to the outer surface of the limiting block, a second driving motor is arranged at the bottom of the movable frame, a movable structure is drivingly connected to the second driving motor, the other end of the movable structure is connected with the mounting frame, a connecting wheel is arranged on the outer side of the mounting frame, and a polishing wheel is arranged on the inner side of the connecting wheel.
[0007] Preferably, the shell assembly comprises a shell, a drain pipe is arranged in the inner wall of the shell and located below the plate feeding structure, and water spraying pipes are arranged in the inner wall of the shell and located above and below the plate feeding structure.
[0008] Preferably, the plate feeding structure comprises a driving motor one, the driving motor one is connected with the inner wall of the shell, the driving motor one is drivingly connected with a connecting shaft, the connecting shaft is externally provided with a gear one, the shell is internally provided with a gear two, the gear two is in meshing connection with the gear one, and the gear two is internally provided with a conveying wheel.
[0009] Preferably, the inner wall of the shell is provided with a mounting block located above the conveying wheel, the inner cavity of the mounting block is movably connected with a pressing wheel, the top of the pressing wheel on both sides is connected with a spring one, and the other end of the spring one is connected with the mounting block.
[0010] Preferably, the conveying structure comprises a first gear, the inner side of the first gear is connected with the outer surface of the conveying wheel, the outer surface of the conveying wheel is in meshing connection with a connecting gear, the shaft end of the connecting gear is connected with the inner wall of the shell, the outer surface of the connecting gear is in meshing connection with a second gear, the shaft end of the second gear is connected with the inner wall of the shell, and the inner side of the shaft end of the second gear is provided with a pulley.
[0011] Preferably, the inner wall of the shell is provided with a mounting block located above the conveying wheel, the inner cavity of the mounting block is movably connected with a pressing wheel, the top of the pressing wheel on both sides is connected with a spring one, and the other end of the spring one is connected with the mounting block.
[0012] Preferably, the outer surface of the connecting wheel is provided with a transmission belt, and the outer side of the connecting wheel is provided with a power motor located on the shell.
[0013] Preferably, the inner side of the connecting frame is provided with an air cylinder, and the top of the air cylinder is connected with the movable frame.
[0014] Compared with the prior art, the utility model has the advantages of the following:
[0015] The utility model discloses a mounting frame and grinding wheel are set up, start driving motor no.
[0016] The utility model discloses a mounting frame and grinding wheel are set up, start driving motor no. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0018] Figure 2 This is a schematic diagram of the internal structure of this utility model;
[0019] Figure 3 This is a schematic diagram of the structure of the grinding plate assembly of this utility model;
[0020] Figure 4 This is a schematic diagram of the structure of the conveyor wheel of this utility model;
[0021] Figure 5 This is a schematic diagram of the structure of the adjustment component of this utility model;
[0022] Figure 6 This is a schematic diagram of the connecting wheel of this utility model.
[0023] In the diagram: 1. Outer shell assembly; 101. Shell; 102. Drain pipe; 103. Water spray pipe; 2. Feeding assembly; 3. Feeding plate structure; 301. Drive motor one; 302. Connecting shaft; 303. Gear one; 304. Gear two; 305. Conveying wheel; 306. Mounting block; 307. Pressure wheel; 308. Spring one; 4. Conveying structure; 401. First gear; 402. Connecting gear; 403. Second gear; 404. Pulley; 405. Fixed frame; 406. Pull rod; 5. Adjusting assembly; 501. Connecting frame; 502. Pneumatic cylinder; 503. Limiting rod; 504. Limiting block; 505. Movable frame; 506. Drive motor two; 507. Movable structure; 508. Connecting wheel; 509. Grinding wheel; 510. Mounting frame. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] Example 1
[0026] like Figures 1 to 6 As shown, this is the first embodiment of the present invention, which provides a grinding machine, including a housing assembly 1, feeding assemblies 2 on both sides of the housing assembly 1, a feeding structure 3 inside the housing assembly 1, a conveying structure 4 located above and below the feeding structure 3 inside the housing assembly 1, and an adjusting assembly 5 located below the conveying structure 4 inside the housing assembly 1.
[0027] The adjusting assembly 5 comprises a connecting frame 501, the outer side of the connecting frame 501 is connected with the inner wall of the shell assembly 1, a limiting rod 503 in the inner cavity of the connecting frame 501 is arranged at the bottom of an activity frame 505, a limiting block 504 is arranged at the top of the activity frame 505, an installation frame 510 is movably connected to the outer surface of the limiting block 504, a driving motor two 506 is arranged at the bottom of the activity frame 505, an activity structure 507 is drivingly connected to the driving motor two 506, the other end of the activity structure 507 is connected with the installation frame 510, a connecting wheel 508 is arranged on the outer side of the installation frame 510, and a grinding wheel 509 is arranged on the inner side of the connecting wheel 508.
[0028] The driving motor two 506 drives the installation frame 510 to move back and forth on the outer surface of the limiting block 504 through the activity structure 507, and the installation frame 510 moves through the limiting of the limiting block 504, so that the limiting effect is good, the position deviation is prevented, and the installation frame 510 drives the grinding wheel 509 to shake left and right, the grinding wheel 509 shakes left and right on the surface of the PCB, so that the grinding wheel covers a larger grinding area, and the uniformity of the PCB grinding is improved, and the omission phenomenon is reduced.
[0029] Embodiment 2
[0030] As shown in Figures 2 to 4 the embodiment comprises the features of embodiment 1, and the different technical features are that the shell assembly 1 comprises a shell 101, the inner wall of the shell 101 is provided with a drain pipe 102 below the board feeding structure 3, and the inner wall of the shell 101 is provided with a water spraying pipe 103 above and below the board feeding structure 3.
[0031] When the PCB is polished, the PCB during polishing is sprayed with cooling liquid through the water spraying pipe 103, the PCB is cooled through the spraying of the cooling liquid, the temperature of the PCB during polishing is prevented from being too high to cause damage, and the sprayed cooling liquid is discharged through the water spraying pipe 103, so that the cooling liquid is conveniently collected.
[0032] The board feeding structure 3 comprises a driving motor one 301, the outer side of the driving motor one 301 is connected with the inner wall of the shell 101, the driving motor one 301 is drivingly connected with a connecting shaft 302, the outer side of the connecting shaft 302 is provided with a gear one 303, the inside of the shell 101 is provided with a gear two 304, the gear two 304 is in meshing connection with the gear one 303, and the inside of the gear two 304 is provided with a conveying wheel 305.
[0033] The start of the driving motor 301 drives the gear 303 to rotate through the connecting shaft 302. Due to the meshing between the gear 303 and the gear 304, the gear 304 and the conveying wheel 305 are driven to rotate through the gear 303. In turn, the PCB board fed by the feeding assembly 2 moves along the conveying wheel 305 into the inner cavity of the shell assembly 1, which facilitates the subsequent polishing of the PCB board.
[0034] The inner wall of the shell 101 is provided with a mounting block 306 above the conveying wheel 305. The inner cavity of the mounting block 306 is movably connected with a pressing wheel 307. The top of the pressing wheel 307 on both sides is connected with a spring 308. The other end of the spring 308 is connected with the mounting block 306.
[0035] Due to the elastic force of the spring 308, a downward pressure is applied to the pressing wheel 307. Through the cooperation of the pressing wheel 307 and the conveying wheel 305, the conveyed PCB board is limited and extruded to prevent position deviation during polishing. At the same time, through the buffering of the spring 308 to the pressing wheel 307, the polishing of PCB boards of different thicknesses is facilitated, and the practicability of the equipment is improved.
[0036] Embodiment 3
[0037] As shown in Figure 3 and Figure 5 , this embodiment contains the features of embodiment 1, and the technical feature is that the conveying structure 4 comprises a first gear 401, the inner side of the first gear 401 is connected with the outer surface of the conveying wheel 305, the outer surface of the conveying wheel 305 is meshingly connected with a connecting gear 402, the shaft end of the connecting gear 402 is connected with the inner wall of the shell 101, the outer surface of the connecting gear 402 is meshingly connected with a second gear 403, the shaft end of the second gear 403 is connected with the inner wall of the shell 101, and the inner side of the shaft end of the second gear 403 is provided with a pulley 404.
[0038] Through the operation of the driving motor 301, the conveying wheel 305 is driven to rotate, and in turn the first gear 401 is driven to rotate by the conveying wheel 305. Due to the meshing between the first gear 401 and the connecting gear 402, the connecting gear 402 is driven to rotate by the first gear 401. Due to the meshing between the connecting gear 402 and the second gear 403, the second gear 403 and the pulley 404 are driven to rotate by the connecting gear 402. The pulley 404 conveys the PCB board, so that the first gear 401, the connecting gear 402 and the second gear 403 are driven, and the pulley 404 is stable when running, avoiding unstable connection through chain transmission.
[0039] The two sides of the inner wall of the shell 101 are provided with fixing frames 405, the outer side of the fixing frame 405 is connected with the connecting gear 402 and the shaft end of the fixing frame 405, and the inner side of the fixing frame 405 is provided with pull rods 406 located outside the pulley 404 on the upper and lower sides;
[0040] The fixing frames 405 arranged on the two sides of the inner wall of the shell 101 form a square frame through the pull rods 406, the frame is arranged outside the pulley 404 and the polishing wheel 509, and a whole is formed, so that the vibration of the adjusting assembly 5 when the polishing wheel 509 swings is reduced, the stability and polishing precision of the whole machine are improved, and the polishing of the PCB is not affected.
[0041] The outer surface of the connecting wheel 508 is provided with a transmission belt, and the outer side of the connecting wheel 508 is provided with a power motor located on the shell 101.
[0042] Through the operation of the power motor, the connecting wheel 508 is driven to rotate, and the transmission belt and other connecting wheels 508 are driven to rotate through the connecting wheel 508, so that the polishing wheel 509 is driven to rotate as a whole, and the PCB is polished.
[0043] The inner side of the connecting frame 501 is provided with a pneumatic cylinder 502, and the top of the pneumatic cylinder 502 is connected with a movable frame 505.
[0044] The pneumatic cylinder 502 is started, the movable frame 505 is driven to move upward as a whole, and then the polishing wheel 509, the transmission belt and the power motor are driven to move through the movable frame 505, so that the distance between the polishing wheel 509 and the conveying wheel 305 is adjusted, and the PCB of different sizes is conveniently polished.
[0045] The working principle and use process of the utility model are as follows:
[0046] Firstly, when the operator polishes the PCB, the PCB to be processed is placed on the top of the feeding assembly 2, and the PCB is sent into the shell 101 through the operation of the feeding assembly 2, and the driving motor 301 drives the connecting shaft 302 and the gear 303 to rotate, and the gear 303 is engaged with the gear 304, the gear 304 and the conveying wheel 305 are driven to rotate through the gear 303, the PCB is sent into the cavity of the shell 101 through the conveying wheel 305, the PCB is extruded and limited through the pressing wheel 307, and then the PCB moves between the pulley 404 and the polishing wheel 509, at this time, the first gear 401 is driven to rotate by the rotation of the conveying wheel 305, the first gear 401, the connecting gear 402 and the second gear 403 are engaged, the second gear 403 and the pulley 404 are driven to rotate, the PCB is conveyed, and the driving motor is operated to drive the transmission belt, the connecting wheel 508 and the polishing wheel 509 to rotate, the PCB is polished through the polishing wheel 509, then the driving motor 506 is operated, the mounting frame 510 is moved left and right on the limiting block 504 through the movable structure 507, the pulley 404 is formed as a whole through the design of the pull rod 406, the shaking during the operation of the polishing wheel 509 is reduced, the stability and polishing precision of the whole machine during polishing are improved, the PCB surface is moved left and right through the polishing wheel 509, the contact area between the polishing wheel 509 and the PCB is increased, the missing and uneven phenomenon during polishing is reduced, the polishing efficiency is improved, the processing of the polishing efficiency is facilitated, the transmission between the first gear 401, the connecting gear 402 and the second gear 403 drives the pulley 404 to rotate, and the stability of the connection between the components is improved.
[0047] It should be noted that, in this document, the terms such as first and second are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between such entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus including a series of elements includes not only those elements, but also other elements not explicitly listed or inherent to such process, method, article or apparatus.
[0048] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A grinding machine comprising a housing assembly (1) and a movable carriage (505), characterized in that: Both sides of the shell assembly (1) are provided with feeding assembly (2), the inside of shell assembly (1) is provided with the structure (3) of sending board, the inside of shell assembly (1) is provided with the transport structure (4) located above and below the structure (3) of sending board, the inside of shell assembly (1) is provided with the adjustment assembly (5) located below the transport structure (4), Wherein, the adjustment assembly (5) includes connecting frame (501), the outer side of connecting frame (501) is connected with the inner wall of shell assembly (1), the bottom of movable frame (505) is provided with limiting rod (503) located in the inner cavity of connecting frame (501), the top of movable frame (505) is provided with limiting block (504), the outer surface of limiting block (504) is movably connected with mounting frame (510), the bottom of movable frame (505) is provided with drive motor two (506), drive motor two (506) is drivenly connected with movable structure (507), the other end of movable structure (507) is connected with mounting frame (510), the outer side of mounting frame (510) is provided with connecting wheel (508), the inner side of connecting wheel (508) is provided with grinding wheel (509).
2. A grinding machine according to claim 1, characterised in that: The shell assembly (1) includes a housing (101), the inner wall of the housing (101) is provided with a drain pipe (102) located below the board feeding structure (3), the inner wall of the housing (101) is provided with a water jet pipe (103) located above and below the board feeding structure (3).
3. A grinding machine according to claim 2, wherein: The board feeding structure (3) includes a drive motor one (301), the outer side of the drive motor one (301) is connected with the inner wall of the housing (101), the drive motor one (301) is drivenly connected with a connecting shaft (302), the outer side of the connecting shaft (302) is provided with a gear one (303), the inside of the housing (101) is provided with a gear two (304), the gear two (304) is meshingly connected with the gear one (303), the inner side of the gear two (304) is provided with a conveying wheel (305).
4. A grinding machine according to claim 3, wherein: The inner wall of the housing (101) is provided with a mounting block (306) located above the conveying wheel (305), the inner cavity of the mounting block (306) is movably connected with a pressure roller (307), the top of both sides of the pressure roller (307) is connected with a spring one (308), the other end of the spring one (308) is connected with the mounting block (306).
5. A grinding machine according to claim 3, wherein: The conveying structure (4) includes a first gear (401), the inner side of the first gear (401) is connected with the outer surface of the conveying wheel (305), the outer surface of the conveying wheel (305) is meshingly connected with a connecting gear (402), the shaft end of the connecting gear (402) is connected with the inner wall of the housing (101), the outer surface of the connecting gear (402) is meshingly connected with a second gear (403), the shaft end of the second gear (403) is connected with the inner wall of the housing (101), the inner side of the shaft end of the second gear (403) is provided with a pulley (404).
6. A grinding machine according to claim 5, wherein: Both sides of the inner wall of the shell (101) are provided with fixing frames (405), the outer side of the fixing frame (405) is connected with the connecting gear (402) and the shaft end of the fixing frame (405), and the inner side of the fixing frame (405) is provided with pull rods (406) located on the outer side of the pulley (404) upwards and downwards.
7. A grinder as claimed in claim 2 wherein: The outer surface of the connecting wheel (508) is provided with a transmission belt, and the outer side of the connecting wheel (508) is provided with a power motor located on the shell (101).
8. A grinder as claimed in claim 1 wherein: The connecting frame (501) is internally provided with an air cylinder (502), and the top of the air cylinder (502) is connected with the movable frame (505).