CNC tool for replacing manual abrasive belt polishing procedure

Abstract

The utility model discloses a CNC tool for replacing a manual abrasive belt polishing procedure, and relates to the technical field of machining tools. The tool comprises a bottom plate, the center of the top of the bottom plate is fixedly connected with a first base, the top of the first base makes contact with a tool panel, the right side of the tool panel is fixedly connected with two grips, the two grips are symmetrically arranged with the first base as the center, the top of the tool panel makes contact with a positioning block, and the positioning block is fixedly connected with the right side of the tool panel. The positioning block is arranged, specifically, the workpiece needing to be polished is placed on the positioning block fixing groove, the screw is screwed, the screw drives the wedge pressing block to press downwards at the same time, the workpiece is extruded by the pressing block to be fixed, CNC machining polishing operation can be conducted on the workpiece, the working environment is improved, and the machining efficiency is improved. The severe working environment that dust flies in the abrasive belt polishing process is avoided, meanwhile, the defects that in the manual abrasive belt polishing process, the size precision is not high, and the stability is uncontrollable are overcome, and the precision is improved, stable and controllable.

Description

Technical Field

[0001] The utility model belongs to the technical field of machining fixtures, and particularly relates to a CNC fixture for replacing the manual abrasive belt polishing process. Background Technique

[0002] Due to the technological characteristics of casting and the wear of the mold during use, the parting surfaces of castings usually have mold joint lines, flash burrs. Usually, the abrasive belt polishing process is used to remove the mold joint lines, flash burrs on the parting surfaces and abrasive belt polishing of the parting surfaces.

[0003] However, the working environment of the abrasive belt polishing process is harsh, the labor intensity is high, and there are few professional workers, which also leads to an increase in labor costs. Moreover, it also has the disadvantages of low efficiency, low precision, and insufficient stability, and is not suitable for castings with high dimensional requirements. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a CNC fixture for replacing the manual abrasive belt polishing process. By placing the workpiece to be polished on the positioning block fixing groove, and then turning the screw, the screw drives the inclined wedge pressing block to press down simultaneously, so that the workpiece is squeezed by the pressing block to complete the fixation, and then the CNC machining and polishing operation can be carried out on the workpiece, solving the problems of low efficiency, low precision, and insufficient stability of the existing manual polishing of workpieces, and being not suitable for castings with high dimensional requirements.

[0005] To solve the above technical problems, the utility model is realized through the following technical solutions:

[0006] The utility model is a CNC fixture for replacing the manual abrasive belt polishing process, including a bottom plate. A base one is fixedly connected to the center of the top of the bottom plate. A tooling panel is in contact with the top of the base one. A grip is fixedly connected to the right side of the tooling panel. The number of grips is two, and the two grips are symmetrically arranged with the base one as the center. A positioning block is in contact with the top of the tooling panel. A positioning block fixing groove is opened on the top of the positioning block. An inclined wedge pressing block is arranged on the right side of the positioning block. A rotating groove is opened at the bottom of the inclined wedge pressing block. A screw is in contact with the inner wall of the rotating groove. A pressing block is in contact with the left side of the inclined wedge pressing block. A clamping assembly is arranged above the tooling panel. By setting the positioning block, specifically, by placing the workpiece to be polished on the positioning block fixing groove, and then turning the screw, the screw drives the inclined wedge pressing block to press down simultaneously, so that the workpiece is squeezed by the pressing block to complete the clamping and fixation, and then the CNC machining and polishing operation can be carried out on the workpiece, improving the working environment, avoiding the harsh working environment of dust flying in the abrasive belt polishing process, and at the same time improving the defects of low dimensional accuracy and uncontrollable stability in the manual abrasive belt polishing process, making its accuracy improved and stable and controllable.

[0007] Furthermore, the number of the clamping assemblies is several, and the parts contained in the several clamping assemblies are the same. The clamping assembly includes a fixed block inside, and the right side of the fixed block contacts the left side of the positioning block, and the right side of the positioning block contacts the left side of the pressing block. The number of the positioning blocks is two, and the two positioning blocks are symmetrically arranged with the inclined wedge pressing block as the center. The arrangement of the fixed block enables the positioning block to form an extrusion effect with the workpiece, stably fixing the workpiece, ensuring stability during CNC machining to complete the polishing operation.

[0008] Furthermore, a movable hole is provided on the right side of the positioning block, and the inner wall of the movable hole contacts with a positioning guide column, and a return spring is sleeved on the outer surface of the positioning guide column. A fixing hole is provided on the top of the fixed block, and the inner wall of the fixing hole contacts with a fixing column. A connecting hole is provided on the right side of the fixed block, and the inner wall of the connecting hole contacts with a limiting column. There are two positioning guide columns, and the two positioning guide columns are symmetrically arranged with the screw as the center. The arrangement of the positioning guide columns restricts the clamping block when it moves, thereby avoiding displacement or misalignment of the clamping block when it moves.

[0009] Furthermore, a guide column is fixedly connected to the bottom of the inclined wedge clamping block, and a reset spring 2 is sleeved on the outer surface of the guide column. A guide sleeve is fixedly connected to the bottom of the reset spring 2, and the inner wall of the guide sleeve is in contact with the outer surface of the guide column. There are two guide columns, and the two guide columns are symmetrically arranged with the rotating groove as the center. The arrangement of the guide sleeve restricts the reset spring 2 at its top, assisting the inclined wedge clamping block to complete the reset, thereby improving the convenience and stability of the device.

[0010] Furthermore, a cylinder is fixedly connected to the top of the base plate, a pressure block is fixedly connected to the output end of the top of the cylinder, a base two is fixedly connected to the left side of the top of the base plate, an anti-foolproof positioning column one is fixedly connected to the top of the base two, and the number of the base two is two. The utility model arranges an anti-foolproof positioning column one, specifically, by starting the cylinder, so that the pressure block rises to release the restriction on the tooling panel, and the tooling panel can be quickly disassembled by lifting the handles on both sides. At the same time, the arrangement of the anti-foolproof positioning column one facilitates the rapid interchange of the tooling panels, and multiple products can be quickly processed by rapid interchange, and its production efficiency is greatly improved compared with manual belt polishing.

[0011] Furthermore, the two bases two are symmetrically arranged with the base one as the center, the top of the base two on the left side is fixedly connected with an anti-foolproof positioning column one, and the top of the base two on the right side is fixedly connected with an anti-foolproof positioning column two, and the anti-foolproof positioning column one and the anti-foolproof positioning column two are arranged with inconsistent numbers and positions on both sides, which plays an anti-foolproof role.

[0012] The utility model has the following beneficial effects:

[0013] 1. The utility model completes the fixation by setting positioning blocks. Specifically, the workpiece to be polished is placed on the fixed slots of the positioning blocks, and then the screws are turned. The screws drive the inclined wedge pressing blocks to press down simultaneously, so that the workpiece is extruded by the pressing blocks, and then the CNC machining and polishing operation can be carried out on the workpiece, improving the working environment, avoiding the harsh working environment with flying dust in the abrasive belt polishing process, and at the same time improving the defects of low dimensional accuracy and uncontrollable stability in the manual abrasive belt polishing process, making its accuracy improved and stable and controllable.

[0014] 2. The utility model completes the quick disassembly of the tooling panel by setting the anti-fool positioning post 1. Specifically, the cylinder is started to make the pressing block rise to release the restriction on the tooling panel, and the tooling panel is quickly disassembled by lifting the two grip handles. At the same time, due to the setting of the anti-fool positioning post 1, it is convenient for the tooling panel to be quickly interchanged. Multiple products can be quickly processed through the quick interchange method, and its production efficiency is greatly improved compared with manual abrasive belt polishing.

[0015] Of course, it is not necessary for any product implementing the utility model to achieve all the above-mentioned advantages simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0017] Figure 1 It is a schematic structural diagram of the tooling panel of the utility model;

[0018] Figure 2 It is a schematic structural diagram of the positioning block of the utility model;

[0019] Figure 3 It is a schematic structural diagram of the positioning guide post of the utility model;

[0020] Figure 4 It is a schematic structural diagram of the return spring 2 of the utility model;

[0021] Figure 5 It is a schematic structural diagram of the base 2 of the utility model.

[0022] In the drawings, the list of components represented by each reference numeral is as follows:

[0023] 1. Base plate; 11. First base; 12. Tooling panel; 121. Handle; 2. Fixed block; 21. Positioning block; 211. Positioning block fixing groove; 22. Pressing block; 23. Wedge pressing block; 24. Clamping assembly; 3. Positioning guide post; 31. First return spring; 32. Fixed post; 33. Limit post; 4. Rotating groove; 41. Screw; 42. Guide post; 421. Second return spring; 43. Guide sleeve; 5. Cylinder; 51. Pressing block; 52. Second base; 521. Anti-fooling positioning post one; 53. Anti-fooling positioning post two. Detailed implementation manners

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than 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 efforts shall fall within the protection scope of the present utility model.

[0025] Please refer to Figures 1-5 As shown in the figure, the present utility model is a CNC tooling for replacing the manual abrasive belt polishing process, including a base plate 1. A first base 11 is fixedly connected to the center of the top of the base plate 1. A tooling panel 12 is in contact with the top of the first base 11. A handle 121 is fixedly connected to the right side of the tooling panel 12. The number of the handles 121 is two, and the two handles 121 are symmetrically arranged with the first base 11 as the center. A positioning block 21 is in contact with the top of the tooling panel 12. A positioning block fixing groove 211 is opened at the top of the positioning block 21. A wedge pressing block 23 is arranged on the right side of the positioning block 21. A rotating groove 4 is opened on the inner wall of the bottom of the wedge pressing block 23. A screw 41 is in contact with the inner wall of the rotating groove 4. A pressing block 22 is in contact with the left side of the wedge pressing block 23. A clamping assembly 24 is arranged above the tooling panel 12. By setting the positioning block 21, specifically, the workpiece to be polished is placed on the positioning block fixing groove 211, and then the screw 41 is rotated to drive the wedge pressing block 23 to press down simultaneously, so that the workpiece is squeezed by the pressing block 22 to complete the fixation, and then the CNC machining and polishing operation can be carried out on the workpiece, improving the working environment, avoiding the harsh working environment of dust flying in the abrasive belt polishing process, and at the same time improving the defects of low dimensional accuracy and uncontrollable stability in the manual abrasive belt polishing process, making its accuracy improved and stable and controllable.

[0026] The number of the clamping assemblies 24 is several, and the parts included in the several clamping assemblies 24 are the same. The inside of the clamping assembly 24 includes a fixed block 2. The right side of the fixed block 2 is in contact with the left side of the positioning block 21. The left side of the positioning block 21 is in contact with the right side of the pressing block 22. The number of the positioning blocks 21 is two, and the two positioning blocks 21 are symmetrically arranged with the wedge pressing block 23 as the center.

[0027] A moving hole is formed on the right side of the positioning block 21. A positioning guide post 3 is in contact with the inner wall of the moving hole. A first return spring 31 is sleeved on the outer surface of the positioning guide post 3. A fixing hole is formed in the top of the fixing block 2. A fixing post 32 is in contact with the inner wall of the fixing hole. A connecting hole is formed in the right side of the fixing block 2. A limiting post 33 is in contact with the inner wall of the connecting hole. The number of the positioning guide posts 3 is two, and the two positioning guide posts 3 are symmetrically arranged with the screw 41 as the center.

[0028] A guide post 42 is fixedly connected to the bottom of the wedge pressing block 23. A second return spring 421 is sleeved on the outer surface of the guide post 42. The bottom of the second return spring 421 is fixedly connected to a guide sleeve 43. The inner wall of the guide sleeve 43 is in contact with the outer surface of the guide post 42. The number of the guide posts 42 is two, and the two guide posts 42 are symmetrically arranged with the rotating groove 4 as the center.

[0029] A cylinder 5 is fixedly connected to the top of the bottom plate 1. The output end of the top of the cylinder 5 is fixedly connected to a pressing block 51. A second base 52 is fixedly connected to the left side of the top of the bottom plate 1. A first anti-false positioning post 521 is fixedly connected to the top of the second base 52. The number of the second bases 52 is two. By setting the first anti-false positioning post 521, specifically, by starting the cylinder 5, the pressing block 51 is lifted to release the restriction on the tooling panel 12, and the tooling panel 12 can be quickly disassembled by lifting the two grip handles 121 on both sides. At the same time, due to the setting of the first anti-false positioning post 521, it is convenient for the tooling panel 12 to be quickly interchanged. Through the quick interchange method, multiple products can be quickly processed, and its production efficiency is greatly improved compared with manual abrasive belt polishing.

[0030] The two second bases 52 are symmetrically arranged with the first base 11 as the center. The first anti-false positioning post 521 is fixedly connected to the top of the second base 52 on the left side, and a second anti-false positioning post 53 is fixedly connected to the top of the second base 52 on the right side.

[0031] A specific application of this embodiment is as follows: Place the workpiece to be polished on the positioning block fixing groove 211. By clockwise screwing the screw 41, the inclined wedge pressing block 23 moves downward, thereby pushing the pressing blocks 22 on both sides, so that the pressing blocks 22 clamp the workpiece to be polished in the positioning block fixing groove 211, and then the workpiece can be polished by CNC machining. At the same time, due to the second reset spring 421 arranged under the inclined wedge pressing block 23, it can also assist in loosening the product. Since the positioning guide post 3 is arranged between the pressing block 22 and the fixed block 2, the movement track of the pressing block 22 can be ensured. And a first reset spring 31 is arranged on the positioning guide post 3, which can assist in loosening the clamped product and improve the clamping efficiency of the product. When the polishing is completed, by counterclockwise screwing the screw, the inclined wedge pressing block 23 is assisted to reset under the action of the second reset spring 421. Due to the reset of the inclined wedge pressing block 23, the restriction on the pressing block 22 is released, and the polished workpiece can be quickly taken out. In order to optimize the processing rhythm, that is, when the machine is processing, the processed product can be unloaded and the product to be processed can be re-clamped, reducing the downtime waiting time during processing, thereby improving the processing efficiency. The tooling is designed to be quickly replaceable. The first base 11 is fixed on the bottom plate 1. The tooling panel 12 is quickly positioned with the second base 52 through the anti-fooling positioning post two 53 and the anti-fooling positioning post one 521. To prevent the occurrence of poor processing caused by incorrect installation direction, the anti-fooling positioning post two 53 and the anti-fooling positioning post one 521 are set with inconsistent numbers and positions on both sides to play an anti-fooling role. Four cylinders 5 are arranged on the base. The tooling panel 12 is quickly pressed and released through the cylinders 5, which is convenient for the quick interchange of the tooling panel 12. Through the quick interchange method, multiple products can be quickly processed, and its production efficiency is greatly improved compared with manual sanding and polishing. Since the workpiece is relatively slender, in order to reduce and optimize the size and volume of the tooling, it is now set as two clamping components 24 arranged opposite to each other to form a clamping component 24. With three clamping components 24 in a row and arranged in two rows on the tooling panel 12.

[0032] In the description of this specification, the descriptions referring to the terms "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0033] The preferred embodiments of the utility model disclosed above are only used to help illustrate the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that those skilled in the art can well understand and utilize the utility model. The utility model is only limited by the claims and their full scope and equivalents.

Claims

1. A CNC tooling for replacing the manual abrasive belt polishing process, including a bottom plate (1). A base one (11) is fixedly connected to the center of the top of the bottom plate (1). A tooling panel (12) is in contact with the top of the base one (11). A handle (121) is fixedly connected to the right side of the tooling panel (12). The number of the handles (121) is two, and the two handles (121) are symmetrically arranged with the base one (11) as the center. It is characterized in that: A positioning block (21) is in contact with the top of the tooling panel (12). A positioning block fixing groove (211) is provided at the top of the positioning block (21). A wedge pressing block (23) is arranged on the right side of the positioning block (21). A rotating groove (4) is provided at the bottom of the wedge pressing block (23). A screw (41) is in contact with the inner wall of the rotating groove (4). A pressing block (22) is in contact with the left side of the wedge pressing block (23). A clamping assembly (24) is arranged above the tooling panel (12).

2. The CNC tooling for replacing the manual abrasive belt polishing process according to claim 1, characterized in that, The number of the clamping assemblies (24) is several. The parts included in the several clamping assemblies (24) are the same. The clamping assembly (24) internally includes a fixing block (2). The right side of the fixing block (2) is in contact with the left side of the positioning block (21).

3. A CNC tooling for replacing the manual abrasive belt polishing process according to claim 2, characterized in that, The right side of the positioning block (21) is in contact with the left side of the pressing block (22). The number of the positioning blocks (21) is two. The two positioning blocks (21) are symmetrically arranged with the wedge pressing block (23) as the center.

4. An NC fixture for replacing the manual abrasive belt polishing process according to claim 3, characterized in that, A moving hole is provided in the right side of the positioning block (21). A positioning guide post (3) is in contact with the inner wall of the moving hole. A first return spring (31) is sleeved on the outer surface of the positioning guide post (3). A fixing hole is provided at the top of the fixing block (2).

5. An NC fixture for replacing the manual abrasive belt polishing process according to claim 4, characterized in that, A fixing post (32) is in contact with the inner wall of the fixing hole. A connecting hole is provided in the right side of the fixing block (2). A limiting post (33) is in contact with the inner wall of the connecting hole. The number of the positioning guide posts (3) is two. The two positioning guide posts (3) are symmetrically arranged with the screw (41) as the center.

6. The CNC tooling for replacing the manual abrasive belt polishing process according to claim 3, characterized in that, A guide post (42) is fixedly connected to the bottom of the wedge pressing block (23). A second return spring (421) is sleeved on the outer surface of the guide post (42). The bottom of the second return spring (421) is fixedly connected to a guide sleeve (43). The inner wall of the guide sleeve (43) is in contact with the outer surface of the guide post (42). The number of the guide posts (42) is two. The two guide posts (42) are symmetrically arranged with the rotating groove (4) as the center.

7. A CNC tooling for replacing the manual abrasive belt polishing process according to claim 1, characterized in that, A cylinder (5) is fixedly connected to the top of the bottom plate (1). A pressing block (51) is fixedly connected to the output end at the top of the cylinder (5). A second base (52) is fixedly connected to the left side at the top of the bottom plate (1). An anti-fooling positioning post one (521) is fixedly connected to the top of the second base (52). The number of the second bases (52) is two.

8. An NC fixture replacing the manual abrasive belt polishing process according to claim 7, characterized in that, The two second bases (52) are symmetrically arranged with the first base (11) as the center. An anti-fooling positioning post one (521) is fixedly connected to the top of the second base (52) on the left side. An anti-fooling positioning post two (53) is fixedly connected to the top of the second base (52) on the right side.

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