Surface grinding machine

Abstract

The utility model relates to the technical field of grinding machines, and discloses a surface grinding machine which comprises a grinding machine body and a grinding head, the grinding head is arranged above the grinding machine body, the top of the grinding machine body is connected with a machining table in a sliding mode, the top of the grinding machine body is fixedly connected with a frame, and the top of the frame is fixedly connected with a hydraulic cylinder. The output end of the hydraulic cylinder is fixedly connected with a shell, an electric sliding table is arranged in the shell, the outer side of the electric sliding table is fixedly connected with a connecting plate, the other end of the connecting plate is fixedly connected with a motor, the output end of the motor is fixedly connected with a rotating rod, and the outer side of the rotating rod is fixedly connected with a limiting block. According to the polishing device, the polishing head can be rapidly installed by inserting the positioning block into the first installation plate, the polishing head can be rapidly detached by reversely rotating the first installation plate, the replacement speed of the polishing head can be reduced while tools are not needed, and then the polishing efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of grinders, in particular to a surface grinder. Background Art

[0002] A grinder is a machine tool that uses abrasive tools to grind the surface of a workpiece. Most grinders use a high-speed rotating grinding wheel for grinding so that the workpiece can achieve the required flatness.

[0003] After searching, Chinese patent announcement number: CN215470017U discloses a surface grinder, including a workbench, the upper surface of the workbench is fixedly installed with a connecting plate by screws, the upper surface of the connecting plate is fixedly connected with an insertion rod, the outer part of the insertion rod is sleeved with a sleeve, the top of the sleeve is fixedly connected with a top plate, and both ends of the top plate are fixedly connected with rectangular blocks. The utility model has the following advantages and effects: the workpiece is placed on the support bar, the distance between the two L-shaped plates is adjusted, and then the two L-shaped plates are fixed by screwing the bolts to fix the workpiece. When grinding the workpiece, the staff screws the rotating block. When the top plate rises and the workpiece contacts the grinding rod of the grinder body, the purpose of grinding the workpiece is achieved. By adjusting the distance between the top plate and the workbench, the device can grind workpieces of different heights, which improves the adjustment ability of the device.

[0004] Although the above technology can adjust the distance between the top plate and the workbench so that the device can grind workpieces of different heights, it still has some shortcomings. The grinding head will wear out after long-term use, resulting in inefficient grinding. Therefore, the grinding head needs to be replaced after long-term use, and the above technology does not disclose the method for replacing the grinding head. At the same time, the traditional method is to connect it through a mounting plate and bolts, and this method requires the use of tools and rotating the bolts multiple times to remove the grinding head when assembling and disassembling the grinding head, which is relatively cumbersome. At the same time, it takes a long time to replace the grinding head, and the grinding head cannot be used during replacement, thereby reducing the grinding efficiency. For this reason, a surface grinder is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a surface grinder, which aims to improve the problem in the prior art that it is necessary to use tools and rotate the bolts multiple times before the grinding head can be disassembled, which is rather cumbersome. At the same time, it takes a long time to replace the grinding head, and the grinding head cannot be used during replacement, thereby reducing the grinding efficiency.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a surface grinder, comprising a grinder and a grinding head, wherein the grinding head is arranged above the grinder, the top of the grinder is slidably connected to a processing table, the top of the grinder is fixedly connected to a frame, the top of the frame is fixedly connected to a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected to a shell, an electric slide is arranged inside the shell, the outer side of the electric slide is fixedly connected to a connecting plate, the other end of the connecting plate is fixedly connected to a motor, the output end of the motor is fixedly connected to a rotating rod, and the outer side of the rotating rod is fixedly connected to a limited The outer periphery of the rotating rod is rotatably connected to the mounting plate 1, the middle part of the mounting plate 1 is provided with a limiting groove, the limiting block is slidably connected to the middle part of the limiting groove, the top of the grinding head is fixedly connected to the mounting plate 2, the top of the mounting plate 2 is fixedly connected to the positioning block, the positioning block and the mounting plate 1 are plugged and matched, the interior of the mounting plate 1 is fixedly connected with a compression spring, the other end of the compression spring is fixedly connected with a clamping block, the clamping block is in contact with the positioning block, the middle part of the positioning block is provided with a clamping groove, the clamping block and the clamping groove are plugged and matched, and the bottom of the rotating rod is fixedly connected with a disassembly component;

[0007] Through the above technical scheme, the shell can be moved downward by driving the hydraulic cylinder, and at the same time, the connecting plate can drive the grinding head to move forward and backward under the action of the electric slide, so that the grinding head can be moved to different positions on the top of the workpiece, and the grinding head can be driven by the motor to grind the top of the workpiece, and the positioning block is inserted into the mounting plate 1, and the positioning block will compress the compression spring when the positioning block enters, and when the slot moves to the original position of the slot block, the slot can be bounced into the slot under the action of the compression spring, so that the grinding head can be quickly installed and fixed, and at the same time, the motor can drive the mounting plate 1 to rotate under the action of the limit block, so that the grinding head can grind the workpiece.

[0008] Further, the disassembly assembly includes a spring, the spring is fixedly connected to the bottom of the rotating rod, the other end of the spring is fixedly connected to the bottom of the mounting plate 1, a pull rope is fixedly connected to the outside of the rotating rod, and the other end of the pull rope is fixedly connected to a side of the clamping block close to the compression spring;

[0009] Through the above technical solution, the clockwork spring can prevent the mounting plate from falling due to inertia when the motor stops rotating. The clockwork spring can be deformed by rotating the mounting plate in the opposite direction. At the same time, the pull rope will be wound up when the mounting plate rotates, so that the card block can be pulled out of the middle of the card slot, and the grinding head can be quickly disassembled.

[0010] Furthermore, a screw rod 1 is rotatably connected to the middle part of the grinder, the processing table is threadedly connected to the outer periphery of the screw rod 1, a slider is fixedly connected to the bottom of the processing table, the slider is slidably connected to the middle part of the grinder, a screw rod 2 is threadedly connected to the middle part of the processing table, one end of the screw rod 2 is rotatably connected to a clamping plate, a connecting block is fixedly connected to the bottom of the clamping plate, the connecting block is slidably connected to the middle part of the processing table, the other side of the clamping plate and the inner left wall of the processing table are fixedly connected to rubber pads, and the two rubber pads are in contact;

[0011] Through the above technical scheme, the processing table can be moved by rotating the screw rod 1 under the action of the slider, so that the grinding head can grind different positions on the top of the workpiece. By rotating the screw rod 2 and under the action of the connecting block, the clamping plate can drive one of the rubber pads to move, so that the workpiece can contact the two rubber pads and the workpiece can be clamped and fixed at the same time.

[0012] Furthermore, a protrusion is fixedly connected to the outer side of the shell, a groove is opened in the middle of the frame, and the protrusion is slidably connected to the middle of the groove;

[0013] Through the above technical solution, the housing can be limited by the groove, so that the housing can be moved downward when the hydraulic cylinder is driven, and the grinding head can be driven to move downward, so that the grinding head can grind the workpiece.

[0014] Furthermore, a positioning groove is provided at the bottom of the first mounting plate, and the positioning block is plugged into and matched with the positioning groove;

[0015] Through the above technical solution, the speed at which the positioning block enters can be increased through the positioning groove, thereby increasing the speed at which the grinding head is installed.

[0016] Furthermore, a slide groove is provided on the top of the grinding machine, and the sliding block is slidably connected to the middle of the slide groove;

[0017] Through the above technical solution, the slider can be limited by the slide groove, so that the processing table can only slide in translation, which can prevent the processing table from tilting and causing the grinding head to be unable to effectively grind the workpiece.

[0018] Furthermore, a connection groove is provided on the top of the processing table, and the connection block is slidably connected to the middle of the connection groove;

[0019] Through the above technical solution, the connecting block can be limited by the connecting groove, and at the same time, the clamping plate can drive the rubber pad to clamp the workpiece in parallel and stably.

[0020] Furthermore, one end of the screw rod is fixedly connected to a bearing, and the outer ring of the bearing is fixedly connected to the inside of the grinding machine;

[0021] Through the above technical solution, the screw rod 1 can be connected to the grinding machine through the bearing, which can prevent the grinding machine and the screw rod 1 from being separated.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, through the mutual cooperation of structures such as the mounting plate 1, the mounting plate 2, the limit block, the limit groove, the positioning block, the compression spring, the clamping block, the pull rope and the clockwork spring, the grinding head can be quickly installed by inserting the positioning block into the mounting plate 1, and the grinding head can be quickly removed by rotating the mounting plate 1 in the opposite direction. No tools are required and the replacement speed of the grinding head can be reduced, thereby improving the grinding efficiency.

[0024] 2. In the utility model, through the mutual cooperation of structures such as screw rod 1, screw rod 2, clamping plate, rubber pad, connecting block and sliding block, the processing table can be moved left and right by rotating screw rod 1, thereby increasing the grinding range and facilitating the grinding of workpieces. By rotating screw rod 2, the clamping plate can drive the rubber pad to stably clamp workpieces of different shapes, thereby preventing the workpiece from being displaced during grinding, thereby improving the grinding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A three-dimensional schematic diagram of a surface grinder proposed by the utility model;

[0026] Figure 2 It is a structural schematic diagram of a screw rod 1 of a surface grinder proposed by the utility model;

[0027] Figure 3 This is a schematic diagram of the structure of a limit groove of a surface grinder proposed by the utility model;

[0028] Figure 4 This is a structural schematic diagram of a clamping slot of a surface grinder proposed by the utility model;

[0029] Figure 5 The utility model is a schematic diagram of the structure of a clamping block of a surface grinder.

[0030] Legend:

[0031] 1. Grinding machine; 2. Frame; 3. Hydraulic cylinder; 4. Housing; 5. Electric slide; 6. Connecting plate; 7. Motor; 8. Grinding head; 9. Screw rod 1; 10. Processing table; 11. Slider; 12. Screw rod 2; 13. Clamp; 14. Rubber pad; 15. Connecting block; 16. Bearing; 17. Limit block; 18. Mounting plate 1; 19. Mounting plate 2; 20. Limit groove; 21. Positioning block; 22. Compression spring; 23. Block; 24. Slot; 25. Spring; 26. Pull rope; 27. Positioning groove; 28. Bump; 29. ​​Groove; 30. Connecting groove; 31. Slide; 32. Turn rod. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] Reference Figure 1 and Figure 2 An embodiment of the utility model is as follows: a surface grinder comprises a grinder 1 and a grinding head 8, the grinding head 8 is arranged above the grinder 1, a processing table 10 is slidably connected to the top of the grinder 1, a frame 2 is fixedly connected to the top of the grinder 1, a hydraulic cylinder 3 is fixedly connected to the top of the frame 2, a shell 4 is fixedly connected to the output end of the hydraulic cylinder 3, a protrusion 28 is fixedly connected to the outer side of the shell 4, a groove 29 is provided in the middle of the frame 2, the protrusion 28 is slidably connected to the middle of the groove 29, the shell 4 can be vertically moved up and down in the middle of the frame 2 by the protrusion 28 and the groove 29, thereby preventing the shell 4 from tilting or offsetting when it is driven by the hydraulic cylinder 3 and moves downward, an electric slide 5 is arranged inside the shell 4, a connecting plate 6 is fixedly connected to the outer side of the electric slide 5, and a motor 7 is fixedly connected to the other end of the connecting plate 6.

[0034] Reference Figure 3-Figure 5The output end of the motor 7 is fixedly connected with a rotating rod 32, and the outer side of the rotating rod 32 is fixedly connected with a limiting block 17. The outer periphery of the rotating rod 32 is rotatably connected with a mounting plate 18. A limiting groove 20 is provided in the middle of the mounting plate 18, and the limiting block 17 is slidably connected to the middle of the limiting groove 20. The limiting block 17 can be limited by the limiting groove 20, so that the limiting block 17 can drive the mounting plate 18 to rotate, and at the same time, a space for the limiting block 17 to rotate in the opposite direction is provided. The top of the grinding head 8 is fixedly connected with a mounting plate 2 19, and the top of the mounting plate 2 19 is fixedly connected with a positioning block 21. The positioning block 21 and the mounting plate 18 are plugged together. A positioning groove 27 is provided at the bottom of the mounting plate 18. The positioning block 21 and the positioning groove 27 are plugged together. The positioning block 21 can be limited by the positioning groove 27, so that the alignment speed of the mounting plate 18 and the mounting plate 2 19 can be accelerated, and the installation speed of the grinding head 8 can be accelerated.

[0035] Reference Figure 3-Figure 5 The interior of the mounting plate 18 is fixedly connected with a compression spring 22, and the other end of the compression spring 22 is fixedly connected with a card block 23, the card block 23 is in contact with the positioning block 21, and a card slot 24 is provided in the middle of the positioning block 21, and the card block 23 and the card slot 24 are plugged into each other. When the positioning block 21 is inserted into the positioning slot 27, it will contact the card block 23, and then the card block 23 can be squeezed and moved. When the card block 23 moves, the compression spring 22 will be compressed, so that the positioning block 21 can completely enter the positioning slot 27. When the mounting plate 18 and the mounting plate 2 are in contact, the card slot 24 will move to the original position of the card block 23. At this time, under the action of the compression spring 22, the card block 23 can be bounced into the card slot 24, and then the grinding head 8 can be quickly installed. The bottom of the rotating rod 32 is fixedly connected with a disassembly component.

[0036] Reference Figure 2 and Figure 5 The disassembly component includes a clockwork spring 25, which is fixedly connected to the bottom of the rotating rod 32, and the other end of the clockwork spring 25 is fixedly connected to the bottom of the mounting plate 18. The clockwork spring 25 can prevent the mounting plate 18 from falling due to inertia when the motor 7 stops rotating. A pull rope 26 is fixedly connected to the outer side of the rotating rod 32, and the other end of the pull rope 26 is fixedly connected to the side of the card block 23 close to the compression spring 22. The clockwork spring 25 can be deformed by rotating the mounting plate 18 in the opposite direction. At the same time, when the mounting plate 18 rotates, the rotating rod 32 will reel in one end of the pull rope 26, and then the card block 23 can be pulled out of the card slot 24 under the action of the other end of the pull rope 26, so that the grinding head 8 can be quickly disassembled.

[0037] Reference Figure 1 and Figure 2The middle part of the grinder 1 is rotatably connected with a screw rod 9, and the processing table 10 is threadedly connected to the outer periphery of the screw rod 9. The bottom of the processing table 10 is fixedly connected with a slider 11, and the slider 11 is slidably connected to the middle part of the grinder 1. A slide groove 31 is provided on the top of the grinder 1, and the slider 11 is slidably connected to the middle part of the slide groove 31. The slider 11 can be limited by the slide groove 31, so that the processing table 10 can only perform left and right translational movement, and at the same time, it can prevent the processing table 10 from tilting or offsetting during the movement, and then the processing table 10 can be moved when the screw rod 9 is rotated, so as to cooperate with the grinding work of the grinding head 8 and increase the grinding area of ​​the workpiece surface.

[0038] Reference Figure 1 and Figure 2 The middle part of the processing table 10 is threadedly connected with a screw rod 12, one end of the screw rod 12 is rotatably connected with a clamping plate 13, and the bottom of the clamping plate 13 is fixedly connected with a connecting block 15, and the connecting block 15 is slidably connected to the middle part of the processing table 10. By rotating the screw rod 12 and under the action of the connecting block 15, the clamping plate 13 can clamp the workpiece to prevent the workpiece from being displaced when grinding the workpiece. A connecting groove 30 is opened on the top of the processing table 10, and the connecting block 15 is slidably connected to the middle part of the connecting groove 30. Through the connecting groove 30, By limiting the connecting block 15, the clamping plate 13 can only move left and right in parallel, and at the same time, it can prevent the clamping plate 13 from flipping over, so that the clamping plate 13 can better clamp the workpiece. The other side of the clamping plate 13 and the inner left wall of the processing table 10 are fixedly connected with rubber pads 14. The two rubber pads 14 are in contact with each other. Through the rubber pads 14, the clamping plate 13 can stably clamp workpieces of different shapes, which can prevent the workpiece from being displaced during grinding, thereby improving the grinding effect.

[0039] Reference Figure 1 and Figure 2 One end of the screw rod 9 is fixedly connected to a bearing 16, and the outer ring of the bearing 16 is fixedly connected to the inside of the grinder 1. The screw rod 9 can be connected to the grinder 1 through the bearing 16, and then the processing table 10 can be driven to move when the screw rod 9 rotates.

[0040] Working principle: When in use, by rotating the screw rod 12 and under the action of the connecting block 15, the clamping plate 13 can drive one of the rubber pads 14 to move, so that the workpiece can be brought into contact with the two rubber pads 14, and the workpiece can be clamped and fixed at the same time, and the processing table 10 can be moved by rotating the screw rod 19, so that the grinding head 8 can grind different positions on the top of the workpiece.

[0041] Among them, the spring 25 can be deformed by rotating the mounting plate 18 in the opposite direction, and the pull rope 26 will be rolled up when the mounting plate 18 rotates, so that the block 23 can be pulled out of the middle of the slot 24, and the grinding head 8 can be quickly disassembled. By inserting the positioning block 21 into the mounting plate 18, the positioning block 21 will contact the block 23 when entering, so that the frame 2 can be squeezed and the block 23 can compress the compression spring 22. At this time, the positioning block 21 can be completely inserted into the mounting plate 18. When the slot 24 moves to the original position of the block 23, the block 23 can be ejected into the slot 24 under the action of the compression spring 22, so that the grinding head 8 can be quickly installed and fixed. At the same time, the motor 7 can drive the grinding head 8 to rotate under the action of the limit block 17, so that the workpiece can be ground.

[0042] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. 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

1. A surface grinder, comprising a grinder (1) and a grinding head (8), characterized in that: The grinding head (8) is arranged above the grinding machine (1); the top of the grinding machine (1) is slidably connected to a processing table (10); the top of the grinding machine (1) is fixedly connected to a frame (2); the top of the frame (2) is fixedly connected to a hydraulic cylinder (3); the output end of the hydraulic cylinder (3) is fixedly connected to a housing (4); an electric slide (5) is arranged inside the housing (4); the outer side of the electric slide (5) is fixedly connected to a connecting plate (6); the other end of the connecting plate (6) is fixedly connected to a motor (7); the output end of the motor (7) is fixedly connected to a rotating rod (32); the outer side of the rotating rod (32) is fixedly connected to a limiting block (17); the outer periphery of the rotating rod (32) is rotatably connected to a mounting plate (18); the mounting plate (18) A limiting groove (20) is provided in the middle of the limiting groove (20), the limiting block (17) is slidably connected to the middle of the limiting groove (20), the top of the grinding head (8) is fixedly connected to the second mounting plate (19), the top of the second mounting plate (19) is fixedly connected to the positioning block (21), the positioning block (21) and the first mounting plate (18) are plugged together, the inside of the first mounting plate (18) is fixedly connected to a compression spring (22), the other end of the compression spring (22) is fixedly connected to a clamping block (23), the clamping block (23) and the positioning block (21) are in contact, a clamping groove (24) is provided in the middle of the positioning block (21), the clamping block (23) and the clamping groove (24) are plugged together, and a disassembly component is fixedly connected to the bottom of the rotating rod (32).

2. A surface grinding machine according to claim 1, characterized in that: The disassembly assembly comprises a spring (25), wherein the spring (25) is fixedly connected to the bottom of the rotating rod (32), and the other end of the spring (25) is fixedly connected to the bottom of the mounting plate (18). A pull rope (26) is fixedly connected to the outside of the rotating rod (32), and the other end of the pull rope (26) is fixedly connected to a side of the clamping block (23) close to the compression spring (22).

3. A surface grinding machine according to claim 1, characterized in that: The middle part of the grinding machine (1) is rotatably connected to a screw rod (9), the processing table (10) is threadedly connected to the outer periphery of the screw rod (9), the bottom of the processing table (10) is fixedly connected to a slider (11), the slider (11) is slidably connected to the middle part of the grinding machine (1), the middle part of the processing table (10) is threadedly connected to a screw rod (12), one end of the screw rod (12) is rotatably connected to a clamping plate (13), the bottom of the clamping plate (13) is fixedly connected to a connecting block (15), the connecting block (15) is slidably connected to the middle part of the processing table (10), the other side of the clamping plate (13) and the inner left wall of the processing table (10) are fixedly connected to rubber pads (14), and the two rubber pads (14) are in contact with each other.

4. A surface grinding machine according to claim 1, characterized in that: A protrusion (28) is fixedly connected to the outer side of the shell (4), a groove (29) is provided in the middle of the frame (2), and the protrusion (28) is slidably connected to the middle of the groove (29).

5. A surface grinding machine according to claim 1, characterized in that: A positioning groove (27) is provided at the bottom of the first mounting plate (18), and the positioning block (21) and the positioning groove (27) are plug-fitted into each other.

6. A surface grinding machine according to claim 3, characterized in that: A slide groove (31) is provided on the top of the grinding machine (1), and the sliding block (11) is slidably connected to the middle part of the slide groove (31).

7. A surface grinding machine according to claim 3, characterized in that: A connection groove (30) is provided on the top of the processing table (10), and the connection block (15) is slidably connected to the middle of the connection groove (30).

8. A surface grinding machine according to claim 3, characterized in that: One end of the screw rod (9) is fixedly connected to a bearing (16), and the outer ring of the bearing (16) is fixedly connected to the inside of the grinding machine (1).

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