Double-net-post multi-angle automatic positioning clamp

Abstract

The utility model discloses a double net post multi-angle automatic positioning clamp, which comprises a rotating disk, a carrying table, an angle positioning key and a fixing structure arranged on the rotating disk, the rotating disk is rotatably arranged on the carrying table, angle scales are arranged on the upper surface of the rotating disk, and the angle positioning key is arranged on the carrying table. A plurality of key grooves allowing the angle positioning keys to be inserted are formed in the side, close to the carrying table, of the rotating disc, and each key groove corresponds to one machining scale on the angle scales. According to the double-net-column multi-angle automatic positioning clamp, accurate repeated positioning of angles can be achieved through angle positioning scales, angle positioning keys and key grooves on the rotating disc, multi-angle positioning machining can be achieved, re-correction is not needed, and therefore high-end five-axis part work can be conducted through traditional common equipment; manual operation and machining cost are greatly saved, and machining efficiency and quality are improved.

Description

Technical Field

[0001] The utility model relates to a double-net-post multi-angle automatic positioning fixture, belonging to the technical field of multi-angle automatic positioning fixtures. Background Art

[0002] For the processing of some multi-angle and large-sized batch products, such as double-grid column products on meltblown molds, top block mounting seats on hot stamping molds, and large accessories with multi-angle structures, ordinary five-axis cannot be completed with one clamping. The processing stroke of small five-axis equipment is limited and the spindle torque is small, the processing efficiency is low and the quality is poor. In this case, we need to use some special fixtures that can be clamped in one time on ordinary high-torque machines. This can greatly reduce processing time and improve processing efficiency, and can improve processing quality, so as to better achieve cost reduction and efficiency improvement.

[0003] It can be seen that in order to solve the above technical problems and realize multi-angle processing under ordinary five-axis one-time clamping, a double-grid-column multi-angle automatic positioning fixture is urgently needed. Utility Model Content

[0004] The purpose of the utility model is to overcome the deficiencies in the prior art and to provide a double-net-post multi-angle automatic positioning fixture, which can realize accurate and repeated angle positioning through the angle positioning scale, angle positioning key and keyway on the rotating disk, and can realize positioning processing at multiple angles without the need for re-calibration, so that high-end five-axis partial work can be performed using traditional ordinary equipment, greatly saving manual operation and processing costs, and improving processing efficiency and quality.

[0005] In order to achieve the above purpose / solve the above technical problems, the utility model is implemented by adopting the following technical scheme: a double-net-post multi-angle automatic positioning fixture, comprising a rotating disk, a carrier, an angle positioning key and a fixing structure arranged on the rotating disk, wherein:

[0006] The rotating disk is rotatably mounted on a carrier, an upper surface of the rotating disk is provided with an angle scale, and a plurality of key slots for inserting angle positioning keys are provided on a side of the rotating disk close to the carrier, each key slot corresponds to a processing scale on the angle scale; during processing, after the workpiece to be processed is fixed on the rotating disk by a fixing structure, the rotating disk is rotated to a specified angle and then fixed, and processing is carried out after the angle positioning key is inserted.

[0007] Furthermore, it also includes a matching taper positioning column and a taper positioning sleeve, wherein the taper positioning column is fixed to the middle of the top end of the carrier, and the taper positioning sleeve is arranged at the middle of the bottom end of the rotating disk, and the rotating disk is positioned by the taper positioning sleeve in cooperation with the taper positioning column in the carrier.

[0008] Furthermore, it also includes a rotating guide sliding surface and a guide sliding avoidance area, and the rotating guide sliding surface and the guide sliding avoidance area are both arranged on the upper surface of the carrier to assist the rotation of the rotating disk.

[0009] Furthermore, the fixing structure includes a cylindrical positioning block, a screw and a pressing plate, wherein:

[0010] The cylindrical positioning block is fixed on the rotating disk, the screw rod is threadedly installed on the cylindrical positioning block, and the pressing plate is used to pass through the screw rod to press the workpiece.

[0011] Further, it also includes a nut and a washer, wherein,

[0012] The washer passes through the screw rod and is cushioned on the end surface of the pressing plate, and the nut is used for locking the screw rod.

[0013] Furthermore, it also includes a force rod, which is fixed to the side of the rotating disk and is used to assist the rotating disk in rotating.

[0014] Furthermore, the cylindrical positioning block is fixed to the rotating disk by screws.

[0015] Furthermore, it also includes an angle grasping number reference, which is set on the edge of the upper surface of the rotating disk and is used to assist in locating the position of the workpiece to be processed during the processing.

[0016] Furthermore, it also includes a positioning pin, which is fixed on the rotating disk, and a positioning hole for the positioning pin is opened on the side of the cylindrical positioning block facing the rotating disk.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] The double-net-post multi-angle automatic positioning fixture provided by the utility model can realize accurate and repeated angle positioning through the angle positioning scale, angle positioning key and keyway on the rotating disk, and can realize positioning processing at multiple angles without recalibration, so that high-end five-axis partial work can be performed using traditional ordinary equipment, greatly saving manual operation and processing costs, and improving processing efficiency and quality;

[0019] The double-net-post multi-angle automatic positioning fixture provided by the utility model is provided with a rotating guide sliding surface and a guide sliding avoidance area on the upper surface of the platform, wherein the rotating guide sliding surface is an annular structure protruding from the upper surface of the platform, a groove body adapted to the rotating guide sliding surface is provided on the side of the rotating disk close to the platform, and the guide sliding avoidance area is a groove body structure, which is used to reduce the contact area between the rotating disk and the platform, thereby reducing the rotational resistance to assist the rotation of the rotating disk;

[0020] The double-net-post multi-angle automatic positioning fixture provided by the utility model sets a grasping number reference at the edge angle of the upper surface of a rotating disk to assist in positioning the position of a workpiece to be processed during the processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of a double-net-post multi-angle automatic positioning fixture provided in Example 1;

[0022] Figure 2 yes Figure 1 Schematic diagram of the connection state between the middle cylindrical positioning column and the screw rod;

[0023] Figure 3 yes Figure 1 A schematic diagram of the structure of the middle rotating disk from a top view;

[0024] Figure 4 Figure 1 Schematic diagram of the structure of the mid-stage platform;

[0025] Figure 5 yes Figure 1 Schematic diagram of the structure of the middle rotating disk when viewed from above.

[0026] In the figure: 1. rotating disk; 2. carrier; 3. angle positioning key; 4. keyway; 5. taper positioning column; 6. taper positioning sleeve; 7. rotating guide surface; 8. guide avoidance area; 9. cylindrical positioning block; 10. screw; 11. pressure plate; 12. nut; 13. washer; 14. force rod; 15. fixing screw; 16. angle grab number reference;. DETAILED DESCRIPTION

[0027] The utility model is further described below in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and cannot be used to limit the protection scope of the utility model.

[0028] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances. Embodiment 1

[0030] like Figure 1~Figure 5 As shown, this embodiment provides a double-net-post multi-angle automatic positioning fixture, including a rotating disk 1, a carrier 2, an angle positioning key 3 and a fixed structure arranged on the rotating disk 1, wherein:

[0031] The rotating disk 1 is rotatably mounted on the carrier 2, and an angle scale is arranged on the upper surface of the rotating disk 1. A plurality of key slots 4 for inserting angle positioning keys 3 are provided on the side of the rotating disk 1 close to the carrier 2, and each key slot 4 corresponds to a processing scale on the angle scale. During processing, after the workpiece to be processed is fixed on the rotating disk 1 through a fixing structure, the rotating disk 1 is rotated to a specified angle and then fixed, and processing is carried out after the angle positioning key 3 is inserted.

[0032] In the above technical solution, when performing actual processing operations, the workpiece to be processed is first fixed on the rotating disk 1 by a fixing structure, and then the rotating disk 1 is rotated to a specified angle and fixed, and the angle positioning key 3 is used in the corresponding key slot 4 to achieve accurate positioning of the angle. When the next angle needs to be processed, the fixing of the rotating disk 1 is released, the angle positioning key 3 is pulled out, the rotating disk 1 is rotated to a specified angle, and then the angle positioning key 3 is inserted, and the rotating disk 1 is fixed to complete the secondary angle positioning, and the workpiece does not need to be corrected, and the processing can be done directly;

[0033] It is worth mentioning that the mouth of the key slot 4 on the rotating disk 1 is provided with a tapered guide angle, and the height of the key slot 4 is provided with an avoidance gap, so that when the rotating disk 1 rotates to the corresponding angle, the angle positioning key 3 can be easily inserted into the key slot 4 to achieve angle positioning.

[0034] Among them, in order to fix the rotating disk 1, it also includes a fixing screw 15, which is used to fix the rotating disk 1 and the carrier 2 after the angle adjustment is completed. The carrier 2 is provided with a plurality of threaded holes compatible with the fixing screw 15 to meet the fixing requirements under different angle positioning.

[0035] In order to realize the relative rotation between the rotating disk 1 and the carrier 2, it also includes a corresponding tapered positioning column 5 and a tapered positioning sleeve 6. The tapered positioning column 5 is fixed to the middle of the top end of the carrier 2, and the tapered positioning sleeve 6 is arranged at the middle of the bottom end of the rotating disk 1. The rotating disk 1 is positioned by the tapered positioning sleeve 6 and the tapered positioning column 5 in the carrier 2.

[0036] In order to assist the rotation of the rotating disk 1, it also includes a rotating guide sliding surface 7 and a guide sliding avoidance area 8, and the rotating guide sliding surface 7 and the guide sliding avoidance area 8 are both arranged on the upper surface of the carrier 2, wherein the rotating guide sliding surface 7 is an annular structure protruding from the upper surface of the carrier 2, and a groove body adapted to the rotating guide sliding surface 7 is opened on the side of the rotating disk 1 close to the carrier 2, and the guide sliding avoidance area 8 is a groove body structure, which is used to reduce the contact area between the rotating disk 1 and the carrier 2, thereby reducing the rotational resistance to assist the rotation of the rotating disk.

[0037] In order to realize the fixation of the workpiece to be processed by the fixed structure, such as Figure 1 , Figure 2 and Figure 3 As shown, the fixing structure includes a cylindrical positioning block 9, a screw rod 10 and a pressing plate 11, wherein:

[0038] The cylindrical positioning block 9 is fixed on the rotating disk 1 , the screw rod 10 is threadedly mounted on the cylindrical positioning block 9 , and the pressing plate 11 is used to pass through the screw rod 10 to press the workpiece.

[0039] In order to fix the workpiece to be processed, the fixing structure also includes a nut 12 and a washer 13, wherein:

[0040] The washer 13 passes through the screw rod 10 and is cushioned on the end surface of the pressing plate 11 , and the nut 12 is used to lock the screw rod 10 .

[0041] In order to achieve the fixation of the cylindrical positioning block 9 and the rotating disk 1, screws are also included, and the cylindrical positioning block 9 is fixed to the rotating disk 1 through the screws.

[0042] In order to assist the rotation of the rotating disk 1 , a force rod 14 is further included. The force rod 14 is fixed to the side of the rotating disk 1 to assist the rotation of the rotating disk 1 .

[0043] like Figure 1~Figure 3 As shown, it also includes an angle grasping number reference 16, which is set on the edge of the upper surface of the rotating disk 1 and is used to assist in locating the position of the workpiece to be processed during the processing.

[0044] In order to assist the installation of the cylindrical positioning block 9 , a positioning pin is further included. The positioning pin is fixed on the rotating disk 1 , and a positioning hole for the positioning pin is provided on the side of the cylindrical positioning block 9 facing the rotating disk 1 .

[0045] To sum up, the double-net-post multi-angle automatic positioning fixture provided in this embodiment can achieve accurate and repeated angle positioning through the angle positioning scale, angle positioning key 3 and key slot 4 on the rotating disk 1, and can realize positioning processing at multiple angles without re-calibration, so that high-end five-axis partial work can be performed using traditional ordinary equipment, which greatly saves manual operation and processing costs, and improves processing efficiency and quality; by arranging a rotating guide sliding surface 7 and a guide sliding avoidance area 8 on the upper surface of the carrier 2, wherein the rotating guide sliding surface 7 is an annular structure protruding from the upper surface of the carrier 2, and a groove body compatible with the rotating guide sliding surface 7 is opened on the side of the rotating disk 1 close to the carrier 2, and the guide sliding avoidance area 8 is a groove body structure, which is used to reduce the contact area between the rotating disk 1 and the carrier 2, thereby reducing the rotational resistance to assist the rotation of the rotating disk.

[0046] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A double-post multi-angle automatic positioning fixture, characterized in that: It comprises a rotating disk (1), a carrier (2), an angle positioning key (3) and a fixing structure arranged on the rotating disk (1), wherein: The rotating disk (1) is rotatably mounted on the carrier (2), an upper surface of the rotating disk (1) is provided with an angle scale, and a plurality of key slots (4) for inserting angle positioning keys (3) are provided on a side of the rotating disk (1) close to the carrier (2), each key slot (4) corresponding to a processing scale on the angle scale; during processing, after the workpiece to be processed is fixed on the rotating disk (1) by a fixing structure, the rotating disk (1) is rotated to a specified angle and then fixed, and the processing is carried out after the angle positioning key (3) is inserted.

2. The double-net-post multi-angle automatic positioning fixture according to claim 1 is characterized in that: It also comprises a matching tapered positioning column (5) and a tapered positioning sleeve (6), wherein the tapered positioning column (5) is fixed to the middle of the top end of the carrier (2), and the tapered positioning sleeve (6) is arranged at the middle of the bottom end of the rotating disk (1), and the rotating disk (1) is positioned by cooperating with the tapered positioning column (5) in the carrier (2) through the tapered positioning sleeve (6).

3. The double-net-post multi-angle automatic positioning fixture according to claim 2 is characterized in that: It also comprises a rotating guide sliding surface (7) and a guide sliding avoidance area (8), wherein the rotating guide sliding surface (7) and the guide sliding avoidance area (8) are both arranged on the upper surface of the carrier (2) and are used to assist the rotation of the rotating disk (1).

4. The double-net-post multi-angle automatic positioning fixture according to claim 1 is characterized in that: The fixing structure comprises a cylindrical positioning block (9), a screw rod (10) and a pressing plate (11), wherein: The cylindrical positioning block (9) is fixed on the rotating disk (1), the screw rod (10) is threadedly mounted on the cylindrical positioning block (9), and the pressing plate (11) is used to pass through the screw rod (10) to press the workpiece.

5. The double-net-post multi-angle automatic positioning fixture according to claim 4 is characterized in that: It also includes a nut (12) and a washer (13), wherein: The washer (13) passes through the screw rod (10) and is placed on the end surface of the pressure plate (11), and the nut (12) is used to lock the screw rod (10).

6. The double-net-post multi-angle automatic positioning fixture according to claim 5, characterized in that: It also comprises a force-adding rod (14), wherein the force-adding rod (14) is fixed to the side of the rotating disk (1) and is used to assist the rotating disk (1) in rotating.

7. The double-net-post multi-angle automatic positioning fixture according to claim 4, characterized in that: The cylindrical positioning block (9) is fixed to the rotating disk (1) via screws.

8. The double-net-post multi-angle automatic positioning fixture according to claim 7, characterized in that: It also comprises an angle grasping number reference (16), which is arranged on the edge of the upper surface of the rotating disk (1) and is used to assist in locating the position of the workpiece to be processed during the processing.

9. The double-net-post multi-angle automatic positioning fixture according to claim 8, characterized in that: It also comprises a positioning pin, which is fixed on the rotating disk (1); a positioning hole for the positioning pin is provided on a side of the cylindrical positioning block (9) facing the rotating disk (1).

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