Angle-adjustable grinding mechanism

Abstract

The utility model discloses an angle-adjustable grinding mechanism, belongs to the technical field of grinding machining, and mainly solves the problems that in the prior art, when a grinding mechanism is used, the angle of a clamped workpiece is difficult to freely adjust, the workpiece needs to be repeatedly and manually clamped to grind different corners of the workpiece, the use limitation is large, and the grinding efficiency is high. The grinding mechanism comprises a working table, a protective cover is fixed to the working table, a machine shell is arranged in the protective cover in a lifting mode, the bottom of the machine shell is rotationally connected with a grinding wheel through a rotating shaft, and two symmetrical supporting plates are fixedly connected to the top of the working table; a deflection table is rotationally connected between the two supporting plates through a transmission shaft, a positioning gear is coaxially arranged on the surface of the transmission shaft, the mounting shell is arranged on one supporting plate, a fixing cylinder is arranged on one side of the mounting shell, a guide column is slidably mounted in the fixing cylinder, and a connecting rod is arranged on the guide column in a penetrating mode. Limiting heads are fixedly connected to the ends, close to the positioning gears, of the connecting rods.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding processing, and more specifically, to an angle-adjustable grinding mechanism. Background Art

[0002] A grinder is a machine tool that uses abrasive tools to grind the surface of a workpiece. It is mainly used in processing high-precision technical fields such as automotive parts, bearings, hydraulic parts, etc., and is widely used in industry. Most grinders use high-speed rotating grinding wheels for grinding, and a few use other grinding tools such as oilstones and sanding belts and free abrasives for processing. The grinding mechanism is one of the components of the grinder, and the grinding mechanism can be used to grind fixed workpieces.

[0003] However, there are various types of grinding mechanisms in the prior art. For example, utility model patent CN219901442U relates to a grinding mechanism of a surface grinder. The utility model includes a base plate, a bracket and a support plate. The support plate is mounted on the upper end of the base plate through the bracket; it also includes an electric slide rail, a slider, a fixed assembly, a lifting assembly, a moving device and two sets of grinding assemblies. The electric slide rail is mounted on the support plate, the slider is mounted on the electric slide rail, the electric slide rail has the function of moving the slider back and forth, the fixed assembly is mounted on the slider, the fixed assembly has a fixing function, the lifting assembly is mounted on the support plate, the moving device is mounted on the lifting assembly, the lifting assembly has a lifting function, the two sets of grinding assemblies are respectively mounted on the left and right parts of the moving device, the moving device is used to adjust the distance between the two sets of grinding assemblies, the grinding efficiency is high, and it is easy to use.

[0004] Although this grinding mechanism can grind multiple surfaces of a workpiece, has high grinding efficiency and is easy to use, it is difficult to freely adjust the angle of the workpiece during use. The workpiece needs to be manually clamped repeatedly to grind its different corners. It has great limitations in use and cannot meet current usage needs. In order to avoid this phenomenon, it is very necessary to design an angle-adjustable grinding mechanism. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract and title of the utility model to avoid obscuring the purpose of this section, the abstract and the title of the utility model, and such simplifications or omissions shall not be used to limit the scope of the present invention.

[0006] To achieve the above objectives, the present invention provides an angle-adjustable grinding mechanism, which is achieved by the following specific technical means:

[0007] An angle-adjustable grinding mechanism comprises a workbench, a protective cover fixed on the workbench, a casing arranged in a lifting manner inside the protective cover, a grinding wheel rotatably connected to the bottom of the casing via a rotating shaft, two symmetrical support plates fixedly connected to the top of the workbench, a deflection table rotatably connected between the two support plates via a transmission shaft, a positioning gear coaxially arranged on the surface of the transmission shaft, a mounting shell arranged on one of the support plates, a fixed cylinder arranged on one side of the mounting shell, a guide column slidably installed in the fixed cylinder, a connecting rod passing through the guide column, an end of the connecting rod close to the positioning gear fixedly connected to a limiting head, and the end of the limiting head can be embedded in the tooth groove of the positioning gear; a clamping assembly is arranged on the top of the deflection table.

[0008] Preferably, the positioning gear is located in the mounting shell, a spring is provided inside the fixing cylinder, and one end of the spring is fixed to the guide column, the end of the connecting rod away from the positioning gear is fixedly connected to a handle, and the handle is located outside the fixing cylinder, and the spring can press the guide column so that the limit head is stuck in the tooth groove of the positioning gear.

[0009] Preferably, the clamping assembly includes a clamping frame, a fixed clamping seat, a movable clamping seat and an anti-slip pad. The clamping frame is fixed on the deflection table. The clamping frame is L-shaped. A fixed clamping seat is provided on the top of the clamping frame. A sliding groove is provided on the clamping frame. A slider is slidably installed in the sliding groove. The top of the slider is fixedly connected to the movable clamping seat. A threaded ring is provided through the clamping frame. A screw is threadedly connected to the threaded ring, and one end of the screw is rotatably connected to the movable clamping seat.

[0010] Preferably, a fixed cross bar is provided on the outer surface of one side of the casing, an injection cylinder is provided through the fixed cross bar, two nozzles are provided on the outer surface of the injection cylinder, and one end of the injection cylinder is connected to a diversion hose.

[0011] Preferably, two symmetrical supporting plates are fixedly connected to the inner wall of the protective cover, a screw rod is rotatably connected between the two supporting plates through a bearing, a movable seat is provided on the surface of the screw rod, a linear motor is installed at the bottom of the movable seat, a lifting cylinder is installed at the output end of the linear motor, and the output end of the lifting cylinder is fixed to the casing, a servo motor is installed on one side of the supporting plate, and the output end of the servo motor is fixed to one end of the screw rod.

[0012] Preferably, a rotating motor is installed inside the housing, and the output end of the rotating motor is fixed to the grinding wheel through a rotating shaft.

[0013] Preferably, the workbench is provided with a waste liquid port through it, and a recovery bucket is detachably provided at the bottom of the workbench, and the recovery bucket is located below the waste liquid port; a perspective cover is provided on the front of the protective cover through a hinge.

[0014] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:

[0015] After the workpiece is clamped and fixed, the deflection table is manually rotated, the workpiece is driven to change the angle by the deflection table, when the deflection table is rotated to the specified angle, the deflection table after the angle adjustment is positioned and fixed, so that different edges and corners of the workpiece are aligned with the grinding wheel, the angle of the workpiece can be freely adjusted, the workpiece does not need to be repeatedly manually clamped, the different edges and corners of the workpiece are conveniently ground, the practicality is high, and the use requirement in the prior art can be met. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which form a part of this application, are used to provide a further understanding of the application and are incorporated in and constitute a part of this application. The embodiments of the application illustrated in the drawings, and their description, are used to explain the application and are not meant to limit the application. In the drawings:

[0017] Figure 1 It is a schematic diagram of the overall structure of the application;

[0018] Figure 2 It is a schematic diagram of the structure in the protective cover;

[0019] Figure 3 It is a schematic diagram of the structure in the mounting shell;

[0020] Figure 4 It is a schematic diagram of the structure of A;

[0021] Figure 5 It is a schematic diagram of the local structure of the application;

[0022] Figure 6 It is a schematic diagram of the structure of the injection cylinder;

[0023] Figure 7 It is a schematic diagram of the structure of the clamping assembly;

[0024] Figure 8 It is a schematic diagram of the structure of the workbench.

[0025] In the drawings: 1, workbench; 2, protective cover; 3, machine shell; 4, grinding wheel; 5, support plate; 6, deflection table; 7, clamping assembly; 701, clamping frame; 702, fixed clamping seat; 703, movable clamping seat; 704, non-slip pad; 8, transmission shaft; 9, mounting shell; 10, positioning gear; 11, fixed cylinder; 12, guide column; 13, connecting rod; 14, limiting head; 15, spring; 16, handle; 17, screw rod; 18, sliding groove; 19, bearing plate; 20, screw rod; 21, movable seat; 22, linear motor; 23, lifting cylinder; 24, servo motor; 25, fixed cross rod; 26, injection cylinder; 27, nozzle; 28, flow guide hose; 29, rotary motor; 30, recovery hopper; 31, waste liquid port; 32, perspective cover plate. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0027] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0028] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments. The present invention provides the following embodiments.

[0029] like Figure 2 、 Figure 3 as well as Figure 4 As shown, it is a structural diagram of the angle-adjustable grinding mechanism in this embodiment. The grinding mechanism in this embodiment includes a workbench 1, a protective cover 2 is fixed on the workbench 1, and two symmetrical support plates 5 are fixedly connected to the top of the workbench 1. A deflection table 6 is rotatably connected between the two support plates 5 through a transmission shaft 8. A positioning gear 10 is coaxially arranged on the surface of the transmission shaft 8. A mounting shell 9 is arranged on one of the support plates 5. A fixed cylinder 11 is arranged on one side of the mounting shell 9. A guide column 12 is slidably installed in the fixed cylinder 11. A connecting rod 13 is provided through the guide column 12. One end of the connecting rod 13 is fixedly connected to a limiting head 14 close to the positioning gear 10, and the end of the limiting head 14 can be embedded in the tooth groove of the positioning gear 10. The positioning gear 10 is located in the mounting shell 9. A spring 15 is provided inside the fixed cylinder 11, and one end of the spring 15 It is fixed to the guide column 12, and the end of the connecting rod 13 away from the positioning gear 10 is fixedly connected to the handle 16, and the handle 16 is located outside the fixed cylinder 11; after the workpiece is clamped and fixed, the handle 16 is pulled to release the fixing effect of the limit head 14, and then the deflection table 6 is manually rotated to drive the workpiece to change its angle through the deflection table 6. When the deflection table 6 rotates to the specified angle, the handle 16 is released, so that the connecting rod 13 is guided by the guide column 12 under the rebound action of the spring 15, and drives the end of the limit head 14 to reset and be stuck in the tooth groove of the positioning gear 10, thereby positioning and fixing the deflection table 6 after the angle adjustment, so that different corners of the workpiece can be aligned with the grinding wheel, thereby freely adjusting the angle of the workpiece without repeatedly manually clamping the workpiece, which is convenient for grinding different corners of the workpiece, has strong practicality, and can better meet current usage needs.

[0030] like Figure 6 As shown, it is a structural schematic diagram of the injection cylinder 26 in this embodiment. In this embodiment, a shell 3 is set up in the protective cover 2 for lifting and lowering, and a fixed cross bar 25 is set on the outer surface of one side of the shell 3. The fixed cross bar 25 is penetrated by an injection cylinder 26, and two nozzles 27 are set on the outer surface of the injection cylinder 26. One end of the injection cylinder 26 is connected to a guide hose 28. When the workpiece is ground, the shell 3 moving up and down will drive the injection cylinder 26 to approach the workpiece, and finally align the nozzle 27 with the grinding part of the workpiece. During the grinding process, the grinding coolant is introduced into the injection cylinder 26 from the guide hose 28 through an external infusion device, so that the coolant is sprayed to the grinding part through the nozzle 27, and the sprayed coolant is used to block the splashing debris, so that the debris flows out of the mechanism together with the coolant, and the grinding part is cooled at the same time.

[0031] like Figure 7 As shown, it is a structural schematic diagram of the clamping assembly 7 in this embodiment. In this embodiment, the clamping frame 701 is fixed on the deflection table 6, the clamping frame 701 is L-shaped, and a fixed clamping seat 702 is provided on the top of the clamping frame 701. A slide groove 18 is provided on the clamping frame 701, and a slider is slidably installed in the slide groove 18. The top of the slider is fixedly connected to a movable clamping seat 703, and a threaded ring is provided through the clamping frame 701. A screw 17 is threadedly connected to the threaded ring, and one end of the screw 17 is rotatably connected to the movable clamping seat 703. Before grinding, the workpiece is clamped and fixed first, and the workpiece is placed in the clamping frame 701. Then, the rotating handle is rotated to drive the screw 17 to rotate, so that one end of the screw 17 pushes the movable clamping seat 703 to move, and the movable clamping seat 703 is close to the fixed clamping seat 702. The movable clamping seat 703 and the fixed clamping seat 702 are used to clamp the placed workpiece to complete the fixation of the workpiece.

[0032] It is worth noting that the clamping frame 701, the fixed clamping seat 702, the movable clamping seat 703 and the anti-slip pad 704 in this embodiment constitute the clamping assembly 7, which is used to clamp and fix the placed workpiece and perform a stable grinding process on the workpiece.

[0033] like Figure 5 as well as Figure 6As shown, the inner wall of the protective cover 2 is fixedly connected with two symmetrical bearing plates 19, the bearing plates 19 are rotatably connected with a lead screw 20 through a bearing, the surface of the lead screw 20 is provided with a movable seat 21, the bottom of the movable seat 21 is provided with a linear motor 22, the output end of the linear motor 22 is provided with a lifting cylinder 23, the output end of the lifting cylinder 23 is fixed to the cabinet 3, one side of the bearing plate 19 is provided with a servo motor 24, the output end of the servo motor 24 is fixed to one end of the lead screw 20, the inside of the cabinet 3 is provided with a rotary motor 29, the output end of the rotary motor 29 is rotatably connected with the grinding wheel 4 through a rotating shaft, in the process of grinding the workpiece, the servo motor 24 provides driving force for the rotating lead screw 20, so that the movable seat 21 moves horizontally on the lead screw 20, the movable seat 21 drives the grinding wheel 4 below to move horizontally, then the linear motor 22 is started, the grinding wheel 4 moves longitudinally through the output end of the linear motor 22, thereby the workpiece is polished by the high-speed rotating grinding wheel 4.

[0034] It is worth noting that, as Figure 1 and Figure 8 shown, the workbench 1 is provided with a waste liquid port 31, the bottom of the workbench 1 is detachably provided with a recovery bucket 30, and the recovery bucket 30 is located below the waste liquid port 31; the front of the protective cover 2 is provided with a perspective cover plate 32 through a hinge.

[0035] Although the embodiments of the utility model 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 these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An angle-adjustable grinding mechanism, comprising a workbench (1), a protective cover (2) fixed on the workbench (1), a housing (3) arranged in a lifting manner within the protective cover (2), a grinding wheel (4) being rotatably connected to the bottom of the housing (3) via a rotating shaft, characterized in that: The top of the workbench (1) is fixedly connected to two symmetrical support plates (5), a deflection platform (6) is rotatably connected between the two support plates (5) via a transmission shaft (8), a positioning gear (10) is coaxially arranged on the surface of the transmission shaft (8), a mounting shell (9) is arranged on one of the support plates (5), a fixing cylinder (11) is arranged on one side of the mounting shell (9), a guide column (12) is slidably installed in the fixing cylinder (11), a connecting rod (13) is provided through the guide column (12), one end of the connecting rod (13) close to the positioning gear (10) is fixedly connected to a limiting head (14), and the end of the limiting head (14) can be embedded in the tooth groove of the positioning gear (10); a clamping assembly (7) is provided on the top of the deflection platform (6).

2. The angle-adjustable grinding mechanism according to claim 1, characterized in that: The positioning gear (10) is located in the mounting housing (9), a spring (15) is provided inside the fixing cylinder (11), and one end of the spring (15) is fixed to the guide column (12), and one end of the connecting rod (13) away from the positioning gear (10) is fixedly connected to a handle (16), and the handle (16) is located outside the fixing cylinder (11), and the spring (15) can press the guide column (12) to make the limit head (14) snap into the tooth groove of the positioning gear (10).

3. The angle-adjustable grinding mechanism according to claim 2, characterized in that: The clamping assembly (7) includes a clamping frame (701), a fixed clamping seat (702), a movable clamping seat (703) and an anti-slip pad (704). The clamping frame (701) is fixed on the deflection table (6). The clamping frame (701) is L-shaped. A fixed clamping seat (702) is provided on the top of the clamping frame (701). A sliding groove (18) is provided on the clamping frame (701). A slider is slidably installed in the sliding groove (18). The top of the slider is fixedly connected to the movable clamping seat (703). A threaded ring is provided through the clamping frame (701). A screw (17) is threadedly connected to the threaded ring, and one end of the screw (17) is rotatably connected to the movable clamping seat (703).

4. The angle-adjustable grinding mechanism according to claim 1, characterized in that: A fixed crossbar (25) is provided on the outer surface of one side of the housing (3), an injection tube (26) is provided through the fixed crossbar (25), two nozzles (27) are provided on the outer surface of the injection tube (26), and one end of the injection tube (26) is connected to a guide hose (28).

5. The angle-adjustable grinding mechanism according to claim 1, characterized in that: Two symmetrical bearing plates (19) are fixedly connected to the inner wall of the protective cover (2); a screw rod (20) is rotatably connected between the two bearing plates (19) via a bearing; a movable seat (21) is provided on the surface of the screw rod (20); a linear motor (22) is installed at the bottom of the movable seat (21); a lifting cylinder (23) is installed at the output end of the linear motor (22), and the output end of the lifting cylinder (23) is fixed to the housing (3); a servo motor (24) is installed on one side of the bearing plate (19), and the output end of the servo motor (24) is fixed to one end of the screw rod (20).

6. The angle-adjustable grinding mechanism according to claim 1, characterized in that: A rotating motor (29) is installed inside the casing (3), and the output end of the rotating motor (29) is fixed to the grinding wheel (4) via a rotating shaft.

7. The angle-adjustable grinding mechanism according to claim 1, characterized in that: The workbench (1) is provided with a waste liquid port (31) extending through it, and a removable recovery bucket (30) is provided at the bottom of the workbench (1), and the recovery bucket (30) is located below the waste liquid port (31); and a perspective cover plate (32) is provided on the front of the protective cover (2) via a hinge.

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