Accurate grinding device for inner hole of tungsten steel product

Abstract

The utility model discloses an accurate grinding device for an inner hole of a tungsten steel product, and relates to the technical field of tungsten steel product machining. The polishing device comprises a machining table, a sliding groove is formed in the upper surface of the machining table, an electric telescopic rod is fixedly arranged in the sliding groove, a sliding block is arranged at the output end of the electric telescopic rod, the sliding block is attached to the inner surface of the sliding groove in a sliding mode, and an adjusting polishing assembly is fixedly arranged on the upper surface of the sliding block. According to the polishing device, a workpiece needing to be polished can be placed among the six arc-shaped clamping blocks, a circular block can be rotated by starting a second motor, the workpiece can be polished, the workpiece can be adjusted, the workpiece can be polished, and the workpiece can be polished. The circular blocks rotate the sliding rods to slide along the inner surfaces of the arc-shaped grooves, so that the movable rods can slide along the inner surfaces of the rectangular grooves, the six arc-shaped clamping blocks can move towards the middle to be in contact and aligned with the workpieces for clamping, and the workpieces of different sizes can be fixed conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of tungsten steel product processing, in particular to a tungsten steel product inner hole fine grinding device. Background Art

[0002] Tungsten steel products are items made of tungsten steel as the main material. In the production process of tungsten steel products, fine grinding equipment is generally required to process them. The inner hole fine grinding device of tungsten steel products usually includes a rotating grinding tool and a clamping device. The inner hole surface of the tungsten steel product is ground and polished by rotating grinding to achieve the required accuracy and finish requirements.

[0003] In some existing devices for grinding the inner holes of tungsten steel products, the clamping part and the grinding structure are fixed and cannot be adjusted at will, resulting in that the inner holes of tungsten steel products of a certain size can only be ground, which lacks certain flexibility. Utility Model Content

[0004] In order to solve the problem that some existing devices for grinding the inner holes of tungsten steel products have fixed clamping parts and grinding structures and cannot be adjusted at will, resulting in only being able to grind the inner holes of tungsten steel products of a certain size and lacking a certain degree of flexibility; the purpose of the utility model is to provide a device for fine grinding the inner holes of tungsten steel products.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions: a tungsten steel product inner hole fine grinding device, comprising a processing table, a slide groove is provided on the upper surface of the processing table, an electric telescopic rod is fixed in the slide groove, an output end of the electric telescopic rod is provided with a slider, the slider is slidably engaged with the inner surface of the slide groove, an adjustment grinding assembly is fixed on the upper surface of the slider, and an adjustment clamping assembly is fixed on the upper surface of the processing table;

[0006] The adjusting device comprises a vertical plate, wherein the vertical plate is fixedly provided with a second connecting block on one side of the vertical plate, and the second connecting block is fixedly provided with a disc on one side away from the vertical plate, and a rectangular slot is opened on the side of the disc, and a movable rod is slidably provided in the rectangular slot. One end of the movable rod is fixedly provided with an arc clamping block, and the vertical plate is fixedly provided with a side away from the second connecting block. The output end of the second motor passes through the vertical plate, and the cross-sectional shape of the second motor is "T" shaped. One side of the vertical plate is fixedly provided with a support plate, and the second motor is fixedly connected to the upper surface of the support plate. The output end of the second motor is fixedly provided with a circular block on the side of the circular block, and the circular block is rotatably fitted with the disc. A sliding rod is fixedly provided on one side of the movable rod, and the sliding rod passes through the arc slot, and the sliding rod is slidably fitted with the inner surface of the arc slot. The arc slot has six arc slots, and the arc slots are distributed in a circular array on the side of the circular block.

[0007] Preferably, the adjustment and grinding assembly includes a first motor, the first motor is fixedly connected to one side of the rectangular plate, the output end of the first motor is provided with a connecting rod, the connecting rod passes through the rectangular plate, the outer surface of the connecting rod is fixedly sleeved with a round block, the outer surface of the round block is provided with a hollow block, the side of the hollow block is provided with a limiting groove, a limiting block is slidably provided in the limiting groove, the limiting block is fixedly connected to the moving block, the inner surface of the hollow block is rotatably provided with a first screw, the outer surface of the first screw is threadedly connected to the moving block, the end of the moving block is fixedly provided with an arc-shaped grinding block, the lower end of the first screw is fixedly provided with a first connecting block, the outer surface of the first connecting block is fixedly sleeved with a turntable, the outer surface of the turntable is provided with a semicircular notch, the side of the hollow block is fixedly provided with a fixed block, a limiting screw is threadedly inserted on the fixed block, the limiting screw is movably fitted with the inner surface of the semicircular notch, a plurality of semicircular notches are provided, and the semicircular notches are distributed in a circular array on the outer surface of the turntable, and the turntable passes through the hollow block.

[0008] Compared with the prior art, the beneficial effects of the present invention are:

[0009] 1. The utility model can place the workpiece to be polished between the six arc-shaped clamping blocks. By starting the second motor, the circular block can be rotated. The circular block rotation slide rod slides along the inner surface of the arc groove, so that the movable rod can slide along the inner surface of the rectangular groove, so that the six arc-shaped clamping blocks can move toward the middle and contact and align with the workpiece for clamping, which is convenient for fixing workpieces of different sizes.

[0010] 2. The utility model can rotate the first screw through the first connecting block by toggling the turntable, so that the movable block sleeved on its outer surface moves upward, and the arc-shaped grinding block contacts the inner wall of the workpiece. The limiting screw can be rotated to make it fit with the inner surface of one of the semicircular notches, so that the turntable can be limited. By starting the first motor, the arc-shaped grinding block can finally be rotated through the connecting rod, thereby facilitating the grinding of workpieces of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0012] Figure 1 This is a schematic structural diagram of the utility model.

[0013] Figure 2 This is a schematic diagram of the structure of the adjustable clamping assembly of the utility model.

[0014] Figure 3 This is a schematic diagram of the structure of the adjustable polishing component of the utility model.

[0015] Figure 4 For this utility model Figure 3 Enlarged structural diagram at point A in the middle.

[0016] In the figure: 1. processing table; 11. slide; 12. electric telescopic rod; 13. slider; 14. rectangular plate; 2. adjustment grinding assembly; 21. first motor; 22. connecting rod; 23. round block; 24. hollow block; 241. limiting groove; 242. limiting block; 25. first screw; 26. moving block; 27. arc-shaped grinding block; 28. first connecting block; 29. ​​turntable; 291. semicircular notch; 292. fixed block; 293. limiting screw; 3. adjustment clamping assembly; 31. vertical plate; 32. second motor; 321. support plate; 33. second connecting block; 34. circular plate; 35. rectangular groove; 36. movable rod; 37. arc-shaped clamping block; 38. circular block; 381. arc groove; 39. slide rod. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] Example: Figure 1-4 As shown, the utility model provides a tungsten steel product inner hole fine grinding device, comprising a processing table 1, a slide groove 11 is opened on the upper surface of the processing table 1, an electric telescopic rod 12 is fixedly installed in the slide groove 11, and a slider 13 is provided at the output end of the electric telescopic rod 12, the slider 13 is slidably fitted with the inner surface of the slide groove 11, an adjustment grinding component 2 is fixedly installed on the upper surface of the slider 13, and an adjustment clamping component 3 is fixedly installed on the upper surface of the processing table 1;

[0019] The adjusting clamping assembly 3 includes a vertical plate 31, which is fixedly connected to the upper surface of the processing table 1. A second connecting block 33 is fixedly provided on one side of the vertical plate 31. A circular disc 34 is fixedly provided on the side of the second connecting block 33 away from the vertical plate 31. A rectangular groove 35 is opened on the side of the circular disc 34. The cross-section of the rectangular groove 35 is "T"-shaped, which is convenient for connecting a movable rod 36. A movable rod 36 is slidably provided in the rectangular groove 35, and an arc-shaped clamping block 37 is fixedly provided at one end of the movable rod 36. A second motor 32 is fixedly provided on the side of the vertical plate 31 away from the second connecting block 33. The output end of the second motor 32 passes through the vertical plate 31. The circular block 38 has an arc-shaped groove 381 on its side, and the circular block 38 is rotatably fitted with the disc 34. A sliding rod 39 is fixedly provided on one side of the movable rod 36, and the sliding rod 39 passes through the arc-shaped groove 381. The sliding rod 39 slides and fits with the inner surface of the arc-shaped groove 381, so that the workpiece to be polished can be placed between the six arc-shaped clamping blocks 37. By starting the second motor 32, the circular block 38 can be rotated, and the circular block 38 rotates the sliding rod 39 to slide along the inner surface of the arc-shaped groove 381, so that the movable rod 36 can slide along the inner surface of the rectangular groove 35, so that the six arc-shaped clamping blocks 37 can be moved to the middle to contact and align with the workpiece for clamping, which is convenient for fixing workpieces of different sizes.

[0020] A support plate 321 is fixedly provided on one side of the vertical plate 31, and the second motor 32 is fixedly connected to the upper surface of the support plate 321 to support the second motor 32. Six arc-shaped grooves 381 are provided, and the arc-shaped grooves 381 are distributed in a circular array on the side of the circular block 38 to facilitate the connection of the six arc-shaped clamping blocks 37.

[0021] The adjusting and grinding assembly 2 includes a first motor 21, which is fixedly connected to one side of the rectangular plate 14. A connecting rod 22 is provided at the output end of the first motor 21, and the connecting rod 22 passes through the rectangular plate 14. A round block 23 is fixedly sleeved on the outer surface of the connecting rod 22, and a hollow block 24 is provided on the outer surface of the round block 23. A first screw 25 is rotatably provided on the inner surface of the hollow block 24. A moving block 26 is threadedly connected to the outer surface of the first screw 25. A thread groove is provided in the moving block 26 for use with the first screw 25. An arc-shaped grinding block 27 is fixedly provided at the end of the moving block 26. A first connecting block 28 is fixedly provided at the lower end of the first screw 25. A turntable 29 is fixedly sleeved on the outer surface of the first connecting block 28, and the turntable 29 passes through the hollow block 24.

[0022] A semicircular notch 291 is provided on the outer surface of the turntable 29, and a fixed block 292 is fixed on the side of the hollow block 24. A limiting screw 293 is threadedly inserted on the fixing block 292, and the limiting screw 293 is movably fitted with the inner surface of the semicircular notch 291. There are several semicircular notches 291, and the semicircular notches 291 are distributed in a circular array on the outer surface of the turntable 29 to assist in limiting. A limiting groove 241 is provided on the side of the hollow block 24, and a limiting block 242 is slidably provided in the limiting groove 241. The limiting block 242 is fixedly connected to the moving block 26 to prevent the moving block 26 from detaching. The electric telescopic rod 12 can be started to push the slider 13 at its output end to move, and the arc-shaped grinding block 27 can enter the interior of the workpiece. The turntable 29 can be turned through the first connecting block 28 to rotate the first screw 25, so that the moving block 26 sleeved on its outer surface moves upward, and the arc-shaped grinding block 27 contacts the inner wall of the workpiece. The limiting screw 293 can be rotated to make it fit with the inner surface of one of the semicircular notches 291, so that the turntable 29 can be limited. By starting the first motor 21, the arc-shaped grinding block 27 can finally be rotated through the connecting rod 22, thereby facilitating the grinding of workpieces of different sizes.

[0023] Working Principle: When the present invention is in use, the workpiece to be polished can be placed between the six arc-shaped clamping blocks 37. By starting the second motor 32, the circular block 38 can be rotated. The circular block 38 rotates the slide bar 39 to slide along the inner surface of the arc-shaped groove 381, thereby allowing the movable rod 36 to slide along the inner surface of the rectangular groove 35. As a result, the six arc-shaped clamping blocks 37 can be moved toward the center to contact and align with the workpiece for clamping, making it easy to fix workpieces of different sizes.

[0024] Afterwards, the electric telescopic rod 12 can be started to push the slider 13 at its output end to move, and the arc-shaped grinding block 27 can enter the interior of the workpiece. The turntable 29 can be turned through the first connecting block 28 to rotate the first screw 25, so that the moving block 26 sleeved on its outer surface moves upward, and the arc-shaped grinding block 27 contacts the inner wall of the workpiece. The limiting screw 293 can be rotated to make it fit with the inner surface of one of the semicircular notches 291, so that the turntable 29 can be limited. By starting the first motor 21, the arc-shaped grinding block 27 can finally be rotated through the connecting rod 22, thereby facilitating the grinding of workpieces of different sizes.

[0025] Obviously, those skilled in the art may make various modifications and variations to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include such modifications and variations.

Claims

1. A tungsten steel product inner hole fine grinding device, comprising a processing table (1), characterized in that: The upper surface of the processing table (1) is provided with a chute (11), an electric telescopic rod (12) is fixedly provided in the chute (11), an output end of the electric telescopic rod (12) is provided with a slider (13), the slider (13) is slidably fitted with the inner surface of the chute (11), an adjusting polishing assembly (2) is fixedly provided on the upper surface of the slider (13), and an adjusting clamping assembly (3) is fixedly provided on the upper surface of the processing table (1); The adjusting clamping assembly (3) includes a vertical plate (31), the vertical plate (31) is fixedly connected to the upper surface of the processing table (1), a second connecting block (33) is fixedly provided on one side of the vertical plate (31), a disc (34) is fixedly provided on the side of the second connecting block (33) away from the vertical plate (31), a rectangular groove (35) is provided on the side of the disc (34), a movable rod (36) is slidably provided in the rectangular groove (35), an arc-shaped clamping block (37) is fixedly provided on one end of the movable rod (36), and the vertical plate (31) is away from the second connecting block. A second motor (32) is fixedly provided on one side of the connecting block (33), and the output end of the second motor (32) passes through the vertical plate (31). A circular block (38) is fixedly provided on the output end of the second motor (32), and an arc groove (381) is provided on the side of the circular block (38). The circular block (38) is rotatably fitted with the disc (34). A sliding rod (39) is fixedly provided on one side of the movable rod (36), and the sliding rod (39) passes through the arc groove (381). The sliding rod (39) is slidably fitted with the inner surface of the arc groove (381).

2. A tungsten steel product inner hole fine grinding device according to claim 1, characterized in that: The regulating and grinding assembly (2) comprises a first motor (21), the first motor (21) being fixedly connected to one side of the rectangular plate (14), the output end of the first motor (21) being provided with a connecting rod (22), the connecting rod (22) passing through the rectangular plate (14), the outer surface of the connecting rod (22) being fixedly sleeved with a round block (23), the outer surface of the round block (23) being provided with a hollow block (24), the inner surface of the hollow block (24) being rotatably provided with a first screw (25), the outer surface of the first screw (25) being threadedly connected with a moving block (26), the end of the moving block (26) being fixedly provided with an arc-shaped grinding block (27), the lower end of the first screw (25) being fixedly provided with a first connecting block (28), the outer surface of the first connecting block (28) being fixedly sleeved with a turntable (29), the turntable (29) passing through the hollow block (24).

3. A tungsten steel product inner hole fine grinding device according to claim 1, characterized in that: A support plate (321) is fixedly provided on one side of the vertical plate (31), and the second motor (32) is fixedly connected to the upper surface of the support plate (321).

4. A tungsten steel product inner hole fine grinding device according to claim 1, characterized in that: There are six arc-shaped grooves (381), and the arc-shaped grooves (381) are distributed in a circular array on the side of the circular block (38).

5. The inner hole fine grinding device of tungsten steel products according to claim 1, characterized in that: The cross-sectional shape of the rectangular groove (35) is "T"-shaped.

6. A tungsten steel product inner hole fine grinding device as claimed in claim 2, characterized in that: A semicircular notch (291) is provided on the outer surface of the rotating disk (29), a fixed block (292) is fixed on the side of the hollow block (24), a limiting screw (293) is threadedly inserted on the fixing block (292), and the limiting screw (293) is movably fitted with the inner surface of the semicircular notch (291).

7. A tungsten steel product inner hole fine grinding device according to claim 6, characterized in that: A plurality of semicircular notches (291) are provided, and the semicircular notches (291) are distributed in an annular array on the outer surface of the turntable (29).

8. The inner hole fine grinding device of tungsten steel products according to claim 2, characterized in that: A limiting groove (241) is provided on the side of the hollow block (24), a limiting block (242) is slidably provided in the limiting groove (241), and the limiting block (242) is fixedly connected to the moving block (26).

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