Fan-shaped base plate chamfering positioning tool

Abstract

The utility model discloses a fan-shaped base plate chamfer positioning tool which comprises a positioning bottom plate, a front cylindrical boss and a rear cylindrical boss are arranged on the positioning bottom plate, the positioning and the size of the cylindrical bosses are matched with those of positioning holes in a fan-shaped base plate, a first pressing assembly used for positioning the fan-shaped base plate is arranged in the middle of the positioning bottom plate, and a second pressing assembly used for positioning the fan-shaped base plate is arranged in the middle of the positioning bottom plate. The two sides of the positioning bottom plate are provided with second pressing assemblies used for positioning the positioning bottom plate to the workbench, and the positioning bottom plate is further provided with an alignment hole. According to the positioning tool, machining of the fan-shaped base plate can be completed through one-time clamping, the clamping mode is simple, positioning is convenient, and the production efficiency can be greatly improved while the machining error can be reduced.

Description

Technical Field

[0001] This utility model relates to the field of machining technology, and in particular to a chamfered positioning fixture for a fan-shaped pad. Background Technology

[0002] In actual machining processes, due to the special arc-shaped structure of the sector-shaped pad, when processing the chamfer of the sector-shaped pad, the current general approach is to process one half first, and then re-clamp and process the other half. This requires multiple clamping and processing, which not only results in large processing errors but also low production efficiency. Utility Model Content

[0003] To address the aforementioned technical problems, this utility model proposes a chamfering positioning fixture for a sector-shaped pad. This positioning fixture can complete the processing of the sector-shaped pad in a single clamping operation. The clamping method is simple, the positioning is convenient, and it can reduce processing errors while greatly improving production efficiency.

[0004] A chamfering positioning fixture for a sector-shaped pad includes a positioning base plate. The positioning base plate has two sets of cylindrical bosses at the front and rear. The positioning and size of the cylindrical bosses match the positioning holes on the sector-shaped pad. The center of the positioning base plate has a clamping component one for positioning the sector-shaped pad. The two sides of the positioning base plate have clamping components two for positioning the positioning base plate on a worktable. The positioning base plate also has alignment holes.

[0005] As a preferred embodiment of the above technical solution, each set of cylindrical bosses is provided with two cylindrical bosses, which are symmetrically arranged on the left and right and integrally formed with the positioning base plate.

[0006] As a preferred embodiment of the above technical solution, a detachable cylindrical boss is further provided between the two symmetrically arranged cylindrical bosses, and the detachable cylindrical boss is threadedly connected to the positioning base plate.

[0007] As a preferred embodiment of the above technical solution, the clamping assembly includes a positioning post vertically fixed to the positioning base plate, a pressure plate being fitted onto the positioning post, and the pressure plate being pressed against the sector-shaped pad by a nut screwed onto the positioning post.

[0008] As a preferred embodiment of the above technical solution, the positioning pin is threadedly connected to the positioning base plate, and the positioning base plate is provided with a plurality of threaded holes for installing the positioning pin.

[0009] As a preferred embodiment of the above technical solution, the clamping component two adopts a vise bolt, and the positioning base plate has symmetrical U-shaped grooves on the left and right sides for installing the vise bolt.

[0010] As a preferred embodiment of the above technical solution, the bottom surface of the positioning base plate is machined with a connecting key, which secures the positioning base plate to the worktable.

[0011] The beneficial effects of this utility model are as follows:

[0012] 1. Simple structure and low manufacturing cost.

[0013] 2. Precise positioning and convenient clamping can greatly reduce the labor intensity of workers and improve the positioning and clamping efficiency.

[0014] 3. The processing of the sector-shaped pad can be completed in one clamping, which can effectively improve the processing accuracy of the pad compared with the traditional processing method. Attached Figure Description

[0015] Figure 1 This is a front structural diagram of the present invention.

[0016] Figure 2 This is a schematic diagram of the back structure of this utility model.

[0017] Figure 3 This is a schematic diagram of the structure of the fan-shaped pad being assembled on this positioning fixture.

[0018] The attached diagram is labeled as follows: 1-Positioning base plate, 2-Cylindrical boss, 3-Fan-shaped pad, 4-Pressure assembly one, 401-Positioning post, 402-Pressure plate, 403-Nut, 5-Alignment hole, 6-Removable cylindrical boss, 7-Threaded hole, 8-U-groove, 9-Connecting key. Detailed Implementation

[0019] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0020] like Figure 1 , Figure 2 The shown is a chamfering positioning fixture for a sector-shaped pad 3, including a positioning base plate 1. The positioning base plate 1 is provided with two sets of cylindrical bosses 2, one in front and one behind. The positioning and size of the cylindrical bosses 2 match the positioning holes on the sector-shaped pad 3. The positioning base plate 1 is provided with a clamping component 4 for positioning the sector-shaped pad 3 in the middle. The positioning base plate 1 is provided with clamping components 2 on both sides for positioning the positioning base plate 1 on the worktable. The positioning base plate 1 is also provided with alignment holes 5.

[0021] In this embodiment, each set of cylindrical bosses 2 is provided with two cylindrical bosses 2, which are symmetrically arranged on the left and right and integrally formed with the positioning base plate 1.

[0022] In this embodiment, a detachable cylindrical boss 6 is provided between the two symmetrically arranged cylindrical bosses 2, and the detachable cylindrical boss 6 is threadedly connected to the positioning base plate 1.

[0023] In this embodiment, the clamping assembly 4 includes a positioning post 401 vertically fixed on the positioning base plate 1, a pressure plate 402 is fitted on the positioning post 401, and the pressure plate 402 is pressed onto the fan-shaped pad 3 by a nut 403 screwed onto the positioning post 401.

[0024] In this embodiment, the positioning post 401 is threadedly connected to the positioning base plate 1, and the positioning base plate 1 has a plurality of threaded holes 7 arranged in parallel for installing the positioning post 401. The purpose of providing a plurality of threaded holes 7 is to adjust the position of the positioning post 401 according to the length of the sector-shaped pad 3, so as to ensure that the sector-shaped pad 3 is pressed tightly.

[0025] In this embodiment, the second clamping component is a vise bolt, and the positioning base plate 1 has symmetrical U-shaped grooves 8 on its left and right sides for installing the vise bolt. The second clamping component is not shown in the accompanying drawings.

[0026] In this embodiment, the bottom surface of the positioning base plate 1 is machined with a connecting key 9, which secures the positioning base plate 1 to the worktable.

[0027] This chamfered positioning fixture for the sector-shaped pad can be used for the installation of both five-hole and six-hole sector-shaped pads 2, such as... Figure 3 As shown, of course, two five-hole sector-shaped pads 2 or two six-hole sector-shaped pads 2 can be processed simultaneously. The positioning base plate 1 is first snapped onto the worktable by the connecting key 9, and then locked onto the worktable by the vise bolt. After being aligned by the alignment hole 5, the installation of the positioning base plate 1 is completed. The detachable cylindrical boss 6 can be installed as needed. After the sector-shaped pads 3 are pre-positioned by the cylindrical boss 2, they can be pressed by the clamping component 4 to start the chamfering process. Among them, the pressure plate 402 can also be provided with a waist-shaped hole to facilitate the adjustment of the front and rear position of the pressure plate 402, ensuring that the pressure plate 402 can fully press down the two sets of sector-shaped pads 3, ensuring the stability of the sector-shaped pads 3 during the chamfering process.

[0028] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A chamfered positioning fixture for a fan-shaped pad, characterized in that: The system includes a positioning base plate with two sets of cylindrical bosses at the front and rear. The positioning and size of the cylindrical bosses match the positioning holes on the fan-shaped pad. The center of the positioning base plate is provided with a clamping component one for positioning the fan-shaped pad. The two sides of the positioning base plate are provided with clamping components two for positioning the positioning base plate on the worktable. The positioning base plate is also provided with alignment holes.

2. The chamfered positioning fixture for the sector-shaped pad according to claim 1, characterized in that: Each set of cylindrical bosses has two, and the two cylindrical bosses are symmetrically arranged on the left and right and integrally formed with the positioning base plate.

3. The chamfered positioning fixture for the sector-shaped pad according to claim 2, characterized in that: A detachable cylindrical boss is also provided between the two symmetrically arranged cylindrical bosses, and the detachable cylindrical boss is threadedly connected to the positioning base plate.

4. The chamfered positioning fixture for the sector-shaped pad according to claim 1, characterized in that: The clamping assembly includes a positioning post that is vertically fixed to the positioning base plate. A pressure plate is fitted on the positioning post, and the pressure plate is pressed against the sector-shaped pad by a nut screwed onto the positioning post.

5. The chamfered positioning fixture for the sector-shaped pad according to claim 4, characterized in that: The positioning pin is threadedly connected to the positioning base plate, and the positioning base plate is provided with a plurality of threaded holes for mounting the positioning pin.

6. The chamfered positioning fixture for the sector-shaped pad according to claim 1, characterized in that: The second clamping component uses a vise bolt, and the positioning base plate has symmetrical U-shaped grooves on the left and right sides for installing the vise bolt.

7. The chamfering positioning fixture for the sector-shaped pad according to claim 1, characterized in that: The bottom surface of the positioning base plate is machined with a connecting key, which secures the positioning base plate to the worktable.

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