Precise positioning device for secondary clamping of turning part

Abstract

The utility model discloses a turning part secondary clamping accurate positioning device which comprises a clamping chuck, a positioning device is inserted into the clamping chuck and comprises an installation positioning disc, a clamping side plate is fixedly connected to the outer side of the upper portion of the installation positioning disc, and a limiting clamping assembly is in threaded connection with the middle of the interior of the clamping side plate. Clamping long bolts are in threaded connection with the two sides of the interior of the clamping side plate; a good anti-skid effect can be achieved through the multiple sets of anti-skid clamping grooves formed in the inner sides of the arc-shaped positioning clamping plates, different workpieces of special-shaped structures can be limited and clamped, the arc-shaped positioning clamping plates can be clamped more stably by rotating the clamping long bolts, the limiting insertion sleeves are inserted into the through hole structures in a limited mode, and the clamping effect is good. Turning can be carried out by integrally clamping the positioning device through the chuck, and quick alignment can be carried out without secondary positioning only by correspondingly inserting the limiting insertion sleeve into the through hole structure during secondary clamping through the arranged positioning device.

Description

Technical Field

[0001] The utility model relates to the technical field of clamping and positioning equipment, in particular to a secondary clamping and precise positioning device for turned parts. Background Art

[0002] During the turning process, since the workpiece needs to be processed on multiple different sides or has a complex shape, all processing tasks cannot be completed in one clamping. Therefore, the workpiece needs to be clamped for a second time during the turning process. During the secondary clamping, the workpiece needs to be positioned again by a positioning device, otherwise the workpiece cannot be accurately processed. However, the currently existing turning secondary clamping positioning devices are not able to perform positioning work conveniently when used, and are relatively inconvenient to use. Utility Model Content

[0003] The purpose of the utility model is to provide a precise positioning device for secondary clamping of turned parts in order to solve the problem that the existing turning secondary clamping positioning device cannot perform positioning work conveniently and is inconvenient to use.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a precise positioning device for secondary clamping of turned parts, comprising: a clamping chuck, a positioning device is inserted inside the clamping chuck, the positioning device includes an installation positioning plate, a clamping side plate is fixedly connected to the outer side of the upper part of the installation positioning plate, a limited clamping component is screwed in the middle of the clamping side plate, long clamping bolts are screwed on both sides of the clamping side plate, a side positioning groove is opened through the middle of the upper part of the installation positioning plate, a side positioning component is slidably connected inside the side positioning groove, a limited sleeve is fixedly connected to the lower part of the installation positioning plate, and a clamping adjustment screw hole is opened through the clamping side plate.

[0005] As a further solution of the utility model: the limit clamping assembly includes an arc-shaped positioning clamping plate, the inner arc surface of the arc-shaped positioning clamping plate is provided with an anti-slip clamping groove, the other end of the arc-shaped positioning clamping plate is rotatably connected to an adjusting long screw, the anti-slip clamping grooves are provided in multiple groups, and the adjusting long screw is threadedly connected to adapt to the clamping adjustment screw hole.

[0006] As a further solution of the utility model: the side positioning assembly includes a positioning adjustment slide, a positioning push rod is fixedly connected to one side of the positioning adjustment slide, a locking bolt is threaded inside the positioning adjustment slide, a locking screw hole is opened through the inside of the positioning adjustment slide, and an adjustment limit slider is fixedly connected below the positioning adjustment slide.

[0007] As a further solution of the utility model: a movable clamping claw of the clamping chuck is slidably connected to one end of the clamping chuck, a through hole structure is opened inside the clamping chuck, and the limiting sleeve is adapted to be inserted into the inside of the through hole structure.

[0008] As a further solution of the utility model: the clamping side plates and the limit clamping components are each provided with two groups symmetrically arranged on both sides of the clamping chuck, the clamping long bolts are provided with four groups, and the clamping adjustment screw holes are provided with six groups.

[0009] As a further solution of the utility model: the locking bolt is adapted to be slidably connected to the inside of the locking screw hole, the adjusting limit slider is slidably connected to the inside of the side positioning slide groove, and the locking screw hole passes through the positioning adjustment slide seat and the adjusting limit slider.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The utility model can achieve a good anti-slip effect by opening a plurality of anti-slip clamping grooves on the inner side of the arc-shaped positioning clamping plate, and can limit and clamp workpieces of different special-shaped structures. By rotating the clamping long bolt, the arc-shaped positioning clamping plate can be clamped more firmly, and the limit sleeve is limitedly inserted into the through-hole structure, and the positioning device is clamped as a whole by the chuck to perform turning processing. When the positioning device is set, it only needs to insert the limit sleeve into the through-hole structure according to the corresponding position to quickly align without secondary positioning.

[0012] The side positioning component provided in the utility model is slidably connected inside the side positioning slide groove and is locked by a locking bolt, so that the workpiece can be quickly positioned according to the angle or eccentric position, which is more convenient to use. The limit clamping component can be disassembled when in use, and all clamping long bolts are used for clamping. In this way, positioning and clamping workpieces of various shapes with larger structures can be performed. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the device for secondary clamping and precise positioning of turned parts of the utility model;

[0014] Figure 2 It is a structural schematic diagram of the positioning device in the turning part secondary clamping and precise positioning device of the utility model;

[0015] Figure 3 It is a schematic diagram of the flipping structure of the positioning plate in the turning part secondary clamping and precise positioning device of the utility model;

[0016] Figure 4 It is a structural schematic diagram of the limit clamping assembly in the turning part secondary clamping and precise positioning device of the utility model;

[0017] Figure 5 It is a structural schematic diagram of the side positioning assembly in the turning part secondary clamping and precise positioning device of the utility model;

[0018] Figure 6 It is a structural schematic diagram of the through hole structure in the secondary clamping and precise positioning device for turned parts described in the utility model.

[0019] In the figure: 1. Clamping chuck; 2. Positioning device; 3. Install positioning plate; 4. Clamping side plate; 5. Limit clamping assembly; 6. Clamping long bolt; 7. Side positioning slide; 8. Side positioning assembly; 9. Limit sleeve; 10. Clamping adjustment screw hole; 11. Arc positioning clamp plate; 12. Anti-slip clamping groove; 13. Adjustment long screw; 14. Positioning adjustment slide; 15. Positioning push rod; 16. Locking bolt; 17. Locking screw hole; 18. Adjustment limit slider; 19. Chuck movable claw; 20. Through hole structure. DETAILED DESCRIPTION

[0020] 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.

[0021] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. The following is an explanation of the embodiments of the present utility model based on the overall structure of the present utility model.

[0022] Reference Figures 1 to 6In the embodiment of the utility model, the secondary clamping and precise positioning device for turned parts comprises: a clamping chuck 1, a positioning device 2 is inserted inside the clamping chuck 1, the positioning device 2 comprises an installation positioning disk 3, a clamping side plate 4 is fixedly connected to the outer side above the installation positioning disk 3, a limited clamping component 5 is screwed in the middle of the clamping side plate 4, the clamping side plate 4 and the limited clamping component 5 are each provided with two groups symmetrically arranged on both sides of the clamping chuck 1, long clamping bolts 6 are screwed on both sides of the clamping side plate 4, and four groups of long clamping bolts 6 are provided, a side positioning slide groove 7 is opened through the middle of the upper part of the installation positioning disk 3, a side positioning component 8 is slidably connected inside the side positioning slide groove 7, a limited position sleeve 9 is fixedly connected to the lower part of the installation positioning disk 3, a clamping adjustment screw hole 10 is opened through the clamping side plate 4, and six groups of clamping adjustment screw holes 10 are provided.

[0023] The limit clamping assembly 5 includes an arc-shaped positioning clamping plate 11, and the inner arc surface of the arc-shaped positioning clamping plate 11 is provided with an anti-skid clamping groove 12. The other end of the arc-shaped positioning clamping plate 11 is rotatably connected with an adjusting long screw 13. There are multiple groups of anti-skid clamping grooves 12. The adjusting long screw 13 is screwed to the adapter clamping adjusting screw hole 10; the side positioning assembly 8 includes a positioning adjustment slide 14, and a positioning push rod 15 is fixedly connected to one side of the positioning adjustment slide 14. A locking bolt 16 is screwed inside the positioning adjustment slide 14. The positioning adjustment slide A locking screw hole 17 is provided inside the seat 14, an adjusting limit slider 18 is fixedly connected to the bottom of the positioning and adjusting slide 14, a locking bolt 16 is adapted to be slidably connected to the locking screw hole 17, the adjusting limit slider 18 is slidably connected to the inside of the side positioning slide groove 7, and the locking screw hole 17 passes through the positioning and adjusting slide 14 and the adjusting limit slider 18; a chuck movable claw 19 is slidably connected to one end of the clamping chuck 1, a through hole structure 20 is provided inside the clamping chuck 1, and the limiting sleeve 9 is adapted to be plugged into the inside of the through hole structure 20.

[0024] The above scheme is adopted: a plurality of groups of anti-skid clamping grooves 12 opened on the inner side of the arc-shaped positioning clamp plate 11 can achieve a good anti-skid effect, and can limit and clamp different special-shaped workpieces. Then, the arc-shaped positioning clamp plate 11 can be clamped more firmly by rotating the clamping long bolt 6, and then the limiting sleeve 9 is limitedly inserted into the through hole structure 20. The positioning device 2 is clamped as a whole by the chuck for turning processing. The set positioning device 2 only needs to make the limiting sleeve 9 inserted into the through hole structure 20 according to the corresponding position during the secondary clamping, so that it can be quickly aligned without the need for secondary positioning.

[0025] The working principle of the utility model is as follows: when in use, the workpiece to be processed is first placed on the installation positioning plate 3, and then the two sets of limit clamping components 5 are rotated and adjusted to clamp inwardly to clamp the workpiece. The multiple sets of anti-skid clamping grooves 12 opened on the inner side of the arc-shaped positioning clamping plate 11 can play a good anti-skid effect, and can limit and clamp workpieces with different special-shaped structures, and then the arc-shaped positioning clamping plate 11 can be clamped more firmly by rotating the clamping long bolt 6, and then the limit sleeve 9 is limitedly inserted into the through-hole structure 20, and the positioning device 2 is installed as a whole through the chuck. The turning process can be carried out by clamping, and the positioning device 2 is set, and during the secondary clamping, it only needs to make the limit sleeve 9 correspondingly inserted into the through hole structure 20 to quickly align without secondary positioning, and the side positioning component 8 is slidingly connected in the side positioning slide groove 7, and it is locked by the locking bolt 16, so that the workpiece can be quickly positioned according to the angle or eccentric position, which is more convenient to use, and the limit clamping component 5 can be disassembled when in use, and all clamping long bolts 6 are used for clamping, so that positioning and clamping work can be performed on various shapes of workpieces with larger structures.

[0026] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. The device for accurate positioning of secondary clamping of turned parts is characterized by: include: A clamping chuck (1), wherein a positioning device (2) is inserted inside the clamping chuck (1), wherein the positioning device (2) comprises an installation positioning plate (3), wherein a clamping side plate (4) is fixedly connected to the outer side of the upper side of the installation positioning plate (3), wherein a limited clamping component (5) is screwed in the middle of the inner side of the clamping side plate (4), wherein long clamping bolts (6) are screwed in both sides of the inner side of the clamping side plate (4), wherein a side positioning slot (7) is provided through the middle of the upper side of the installation positioning plate (3), wherein a side positioning component (8) is slidably connected in the inner side of the side positioning slot (7), wherein a limited slot sleeve (9) is fixedly connected to the lower side of the installation positioning plate (3), and wherein a clamping adjustment screw hole (10) is provided through the clamping side plate (4).

2. The device for secondary clamping and precise positioning of turned parts according to claim 1, characterized in that: The limit clamping assembly (5) comprises an arc-shaped positioning clamping plate (11), the inner arc surface of the arc-shaped positioning clamping plate (11) is provided with an anti-skid clamping groove (12), the other end of the arc-shaped positioning clamping plate (11) is rotatably connected to an adjusting long screw (13), the anti-skid clamping groove (12) is provided in a plurality of groups, and the adjusting long screw (13) is threadedly connected to fit the clamping adjusting screw hole (10).

3. The device for secondary clamping and precise positioning of turned parts according to claim 1, characterized in that: The side positioning assembly (8) comprises a positioning adjustment slide (14), a positioning push rod (15) is fixedly connected to one side of the positioning adjustment slide (14), a locking bolt (16) is screwed inside the positioning adjustment slide (14), a locking screw hole (17) is opened through the inside of the positioning adjustment slide (14), and an adjustment limit slider (18) is fixedly connected below the positioning adjustment slide (14).

4. The device for secondary clamping and precise positioning of turned parts according to claim 1, characterized in that: A chuck movable claw (19) is slidably connected to one end of the clamping chuck (1), a through hole structure (20) is provided inside the clamping chuck (1), and the limiting sleeve (9) is adapted to be plugged into the inside of the through hole structure (20).

5. The device for secondary clamping and precise positioning of turned parts according to claim 1, characterized in that: The clamping side plates (4) and the position-limiting clamping components (5) are each provided with two groups symmetrically arranged on both sides of the clamping chuck (1), the clamping long bolts (6) are provided with four groups, and the clamping adjustment screw holes (10) are provided with six groups.

6. The device for secondary clamping and precise positioning of turned parts according to claim 3, characterized in that: The locking bolt (16) is adapted to be slidably connected inside the locking screw hole (17), the adjusting limit slider (18) is slidably connected inside the side positioning slide groove (7), and the locking screw hole (17) passes through the positioning adjustment slide seat (14) and the adjusting limit slider (18).

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