Clamping and positioning device

Abstract

The utility model discloses a clamping and positioning device which comprises a base and a locking piece, a fixed clamping block is arranged on the base, a movable clamping block is arranged on one side of the fixed clamping block, a first positioning part is arranged on the fixed clamping block, a second positioning part is arranged on the movable clamping block, the first positioning part and the second positioning part are oppositely arranged, and the locking piece is arranged on the base. And the locking piece is used for forming a positioning groove for positioning the cylindrical workpiece, and is used for driving the movable clamping block to be close to or far away from the fixed clamping block. The utility model has the advantages of no interference to the processing of the top surface and convenience in processing.

Description

TECHNICAL FIELD

[0001] The utility model relates to positioning frock technical field, concretely relates to a clamping positioning device. BACKGROUND

[0002] The cylindrical workpiece to be processed includes a bottom column and a top surface to be processed part, and the positioning of the cylindrical workpiece generally adopts a pressing assembly to press on the top surface of the cylindrical workpiece, so that the cylindrical workpiece is pressed on the supporting assembly, however, this positioning method can only be applied to the case of top surface partial processing, for example, only the middle part or the peripheral side of the top surface needs to be processed, then the remaining part can be pressed, if the middle part and the peripheral side of the cylindrical top surface need to be processed, sufficient space cannot be reserved for the pressing assembly to press, and the positioning by pressing may interfere with the top surface processing. SUMMARY

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art, and provide a clamping positioning device which does not interfere with the top surface processing and is convenient to process.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme:

[0005] A clamping positioning device, comprising a base and a locking piece, the base is provided with a fixed clamping block, one side of the fixed clamping block is provided with a movable clamping block, the fixed clamping block is provided with a first positioning part, the movable clamping block is provided with a second positioning part, the first positioning part and the second positioning part are arranged opposite to each other, and are used to form a positioning groove for positioning the cylindrical workpiece, and the locking piece is used to drive the movable clamping block to approach or move away from the fixed clamping block.

[0006] As a further improvement of the above technical scheme:

[0007] The movable clamping block is swingably arranged on the base, and a gap is left between the fixed clamping blocks.

[0008] The movable clamping block has elasticity.

[0009] The gap comprises a first sub-gap and a second sub-gap, the second sub-gap is arranged at the bottom of the first sub-gap, the width of the second sub-gap is greater than that of the first sub-gap, and the first sub-gap is located between the first positioning part and the second positioning part.

[0010] The first positioning part and the second positioning part are both provided with a plurality of parts, the first positioning parts are arranged at intervals along the length direction of the fixed clamping block, the second positioning parts are arranged at intervals along the length direction of the movable clamping block, and the second positioning parts and the first positioning parts are arranged one by one.

[0011] The fixed clamping blocks and the movable clamping blocks are provided in plurality, the plurality of fixed clamping blocks are integrally formed, and the plurality of movable clamping blocks are arranged at intervals along the length direction of the base.

[0012] The fixed clamping blocks and the movable clamping blocks are provided in plurality, the plurality of fixed clamping blocks are integrally formed, and the plurality of movable clamping blocks are arranged at intervals along the length direction of the base.

[0013] The movable clamping blocks on the two sides of the fixed clamping block are symmetrically arranged about the fixed clamping block.

[0014] The locking member is a locking screw, and the locking screw is threadedly connected with the movable clamping block on the other side through the movable clamping block and the fixed clamping block on one side in sequence.

[0015] The base, the fixed clamping block and the movable clamping block are all made of steel.

[0016] Compared with the prior art, the clamping and positioning device has the following advantages.

[0017] The clamping and positioning device disclosed by the utility model positions the bottom column of the cylindrical workpiece in the fixed clamping block and the movable clamping block, i.e. in the positioning groove formed by the first positioning part and the second positioning part, then the locking member drives the movable clamping block to approach the fixed clamping block, clamps the bottom column of the cylindrical workpiece and completes positioning, since the clamped is the bottom column of the cylindrical workpiece, the top surface of the cylindrical workpiece can be completely exposed, and interference with the top surface processing is avoided, and processing is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 Is the three-dimensional structure schematic diagram of the clamping and positioning device of the utility model.

[0019] Figure 2 Is the exploded structure schematic diagram of the clamping and positioning device of the utility model.

[0020] The reference signs in the drawing represent: 1, base; 2, locking member; 3, fixed clamping block; 31, first positioning part; 4, movable clamping block; 41, second positioning part; 5, cylindrical workpiece; 6, positioning groove; 7, gap; 71, first sub-gap; 72, second sub-gap. DETAILED DESCRIPTION

[0021] The utility model will be further explained in detail in combination with the drawing and specific embodiments of the specification.

[0022] In the description of the utility model, it is understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model.

[0023] In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated.

[0024] In the utility model, unless otherwise specified and limited, the terms "assembly", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] Figure 1 And Figure 2 An embodiment of the clamping positioning device of the utility model is shown, the clamping positioning device of the embodiment comprises a base 1 and a locking part 2, the base 1 is provided with a fixed clamping block 3, one side of the fixed clamping block 3 is provided with a movable clamping block 4, the fixed clamping block 3 is provided with a first positioning part 31, the movable clamping block 4 is provided with a second positioning part 41, the first positioning part 31 and the second positioning part 41 are oppositely arranged to form a positioning groove 6 for positioning a cylindrical workpiece 5, and the locking part 2 is used to drive the movable clamping block 4 to approach or move away from the fixed clamping block 3.

[0026] When the clamping positioning device is positioned, the bottom column of the cylindrical workpiece 5 is placed between the fixed clamping block 3 and the movable clamping block 4, that is, in the positioning groove 6 formed by the first positioning part 31 and the second positioning part 41, then the locking part 2 drives the movable clamping block 4 to approach the fixed clamping block 3, and the bottom column of the cylindrical workpiece 5 is clamped to complete positioning, since the bottom column of the cylindrical workpiece 5 is clamped, the top surface of the cylindrical workpiece 5 can be completely exposed, and interference with the top surface processing is avoided, facilitating processing. Specifically, the diameter of the positioning groove 6 should be less than the diameter of the top surface of the cylindrical workpiece 5.

[0027] Further preferably, in the embodiment, the movable clamping block 4 is swingably arranged on the base 1 and has a gap 7 between the fixed clamping blocks 3. The gap 7 provides a swing space for the swing of the movable clamping block 4, facilitating the clamping and loosening of the cylindrical workpiece 5.

[0028] Further preferably, in the embodiment, the movable clamping block 4 is elastic. This facilitates the adjustment of the clamping force between the movable clamping block 4 and the fixed clamping block 3 and the resetting.

[0029] Further preferably, in the embodiment, the gap 7 includes a first sub-gap 71 and a second sub-gap 72, the second sub-gap 72 is arranged at the bottom of the first sub-gap 71, the width of the second sub-gap 72 is greater than that of the first sub-gap 71, and the first sub-gap 71 is located between the first positioning part 31 and the second positioning part 41. The greater width of the second sub-gap 72 means that the movable clamping block 4 needs to resist a smaller elastic force when clamping, which is more labor-saving, and also provides a larger swing space for the swing of the movable clamping block 4. The smaller width of the first sub-gap 71 reduces the swing range of the movable clamping block 4 when clamping, facilitating the clamping and positioning of the cylindrical workpiece 5.

[0030] Further preferably, in the embodiment, the first positioning part 31 and the second positioning part 41 are both provided in multiple, the multiple first positioning parts 31 are arranged in intervals along the length direction of the fixed clamping block 3, the multiple second positioning parts 41 are arranged in intervals along the length direction of the movable clamping block 4, and the second positioning part 41 and the first positioning part 31 are arranged one-to-one. This can position multiple cylindrical workpieces 5 at one time, improving the positioning efficiency.

[0031] Further preferably, in the embodiment, the fixed clamping block 3 and the movable clamping block 4 are both provided in multiple, the multiple fixed clamping blocks 3 are integrally formed, the multiple movable clamping blocks 4 are arranged in intervals along the length direction of the base 1, and each movable clamping block 4 is provided with a locking piece 2. This further increases the number of cylindrical workpieces 5 that can be positioned at one time, thereby further improving the positioning efficiency, and at the same time, the clamping of each movable clamping block 4 can be controlled individually according to the actual positioning situation, i.e., it can also adapt to the situation where the number of cylindrical workpieces 5 is small, and without locking all the locking pieces 2, a good clamping force can also be ensured. Of course, in other embodiments, the multiple fixed clamping blocks 3 and the multiple movable clamping blocks 4 can be arranged in intervals one-to-one along the length direction of the base 1. This arrangement is suitable for the positioning of a large number of cylindrical workpieces 5 and has high positioning efficiency.

[0032] Further preferably, in the embodiment, there are movable clamping blocks 4 on both sides of the fixed clamping block 3, and the movable clamping blocks 4 on both sides are arranged symmetrically about the fixed clamping block 3. This further increases the number of cylindrical workpieces 5 that can be positioned at one time.

[0033] Further preferably, in the embodiment, the locking member 2 is a locking screw, which is in threaded connection with the movable clamping block 4 on one side and the fixed clamping block 3 and the movable clamping block 4 on the other side in sequence. The operation is simple and the positioning is convenient. Of course, in other embodiments, the locking member 2 can also be a screw cap assembly, which is locked through the threaded connection of the screw cap. Further, the number of the locking member 2 can be arranged according to the length of the movable clamping block 4 to ensure the clamping force.

[0034] Further preferably, in the embodiment, the base 1, the fixed clamping block 3 and the movable clamping block 4 are all made of steel. The stability is high and the wear resistance is good.

[0035] Although the utility model has disclosed as above with preferred embodiments, however, it is not used to limit the utility model. Any skilled person in the art, without departing from the technical scheme range of the utility model, can utilize the above disclosed technical content to make many possible changes and modifications to the utility model technical scheme, or modify as equivalent variation equivalent embodiment. Therefore, any simple modification, equivalent variation and modification made to the above embodiments according to the technical essence of the utility model technical scheme, which does not depart from the content of the utility model technical scheme, should fall within the protection scope of the utility model technical scheme.

Claims

1. A clamping positioning device, characterized by: The utility model relates to a locking device for cylindrical workpiece, comprising a base (1) and a locking piece (2), the base (1) is equipped with fixed clamping block (3), one side of fixed clamping block (3) is equipped with movable clamping block (4), the first positioning part (31) is equipped on fixed clamping block (3), the second positioning part (41) is equipped on movable clamping block (4), the first positioning part (31) and the second positioning part (41) are opposite arrangement, for forming the positioning groove (6) of positioning cylindrical workpiece (5), the locking piece (2) is used to drive movable clamping block (4) to be close to or away from fixed clamping block (3).

2. The clamping fixture of claim 1, wherein: The movable clamping block (4) is swingably arranged on the base (1), and a gap (7) is left between the fixed clamping blocks (3).

3. The clamping fixture of claim 2, wherein: The movable clamping block (4) is elastic.

4. The clamping fixture of claim 2, wherein: The gap (7) comprises a first sub-gap (71) and a second sub-gap (72), the second sub-gap (72) is arranged at the bottom of the first sub-gap (71), and the width of the second sub-gap (72) is greater than that of the first sub-gap (71), and the first sub-gap (71) is located between the first positioning part (31) and the second positioning part (41).

5. The clamping fixture of any one of claims 1 to 4, wherein: The first positioning part (31) and the second positioning part (41) are both provided with a plurality of first positioning parts (31) and a plurality of second positioning parts (41), the plurality of first positioning parts (31) are arranged in the length direction of the fixed clamping block (3), the plurality of second positioning parts (41) are arranged in the length direction of the movable clamping block (4), and the second positioning part (41) and the first positioning part (31) are one-to-one corresponding.

6. The chucking positioning device according to any one of claims 1 to 4, characterized in that: The fixed clamping block (3) and the movable clamping block (4) are both provided with a plurality of fixed clamping blocks (3) and a plurality of movable clamping blocks (4), the plurality of fixed clamping blocks (3) and the plurality of movable clamping blocks (4) are one-to-one corresponding and arranged in the length direction of the base (1), and each movable clamping block (4) is provided with a locking piece (2).

7. The chucking positioning device according to any one of claims 1 to 4, characterized in that: The fixed clamping block (3) and the movable clamping block (4) are both provided with a plurality of fixed clamping blocks (3) and a plurality of movable clamping blocks (4), the plurality of fixed clamping blocks (3) are integrally formed, the plurality of movable clamping blocks (4) are arranged in the length direction of the base (1), and each movable clamping block (4) is provided with a locking piece (2).

8. The clamping fixture of claim 7, wherein: The movable clamping block (4) is arranged symmetrically about the fixed clamping block (3) on both sides of the fixed clamping block (3).

9. The clamping fixture of claim 8, wherein: The locking piece (2) is a locking screw, and the locking screw is threadedly connected with the movable clamping block (4) on the other side through the movable clamping block (4) and the fixed clamping block (3) on one side in sequence.

10. The chucking positioning device of any one of claims 1 to 4, wherein: The base (1), the fixed clamping block (3) and the movable clamping block (4) are all made of steel.

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