CN220782967U - Hollow metal part auxiliary positioning tool - Google Patents

Abstract

The utility model belongs to the field of tool manufacturing, and particularly relates to an auxiliary positioning tool for hollow metal parts. The tool comprises a knurled nut, a sample plate, a positioning block, a fastening pin, a cylindrical pin A, a screw rod, a pressing block, a clamp spring, a screw and a cylindrical pin B.

Description

Hollow metal part auxiliary positioning tool

Technical Field

The utility model belongs to the field of tool manufacturing, and particularly relates to an auxiliary positioning tool for hollow metal parts.

Background

When the hollow metal part is subjected to contour milling, the positioning difficulty is high, and a processing line can not be drawn on the end face of the part only through a template. Therefore, a device capable of carrying out auxiliary positioning on the hollow part is urgently needed, the contour milling processing can be carried out after the part is stably positioned, and the processing quality can be ensured to meet the requirements.

Disclosure of Invention

Technical proposal

The utility model provides a hollow metal part auxiliary positioning frock, the frock includes, knurled nut 2, model 4, locating piece 5, fastening pin 6, cylindric lock A7, screw 8, screw rod 9, briquetting 10, jump ring 11, screw 12, cylindric lock B13, the hole on the locating piece 5 is all prepared with the hole coordination on the model 4, is connected through screw 12, adopts cylindric lock B13 to fix a position. The knurled nut 2 passes through the sample plate 4 and the positioning block 5 respectively, a group of symmetrical fastening pins 6 are adopted for positioning, the fastening pins 6 are assembled with a pressing block 10, the molded surface of the fastening pins 6 is matched with the inner cavity of the part after being polished, the screw 9 is assembled with the positioning block 5 and the cylindrical pin A7, the screw 9 can move up and down freely, the pressing block 10 is arranged in the positioning block 5 through a screw 8 and presses a clamp spring 11 to prevent falling, and the clamp spring 11 clamps grooves on the two fastening pins 6 to play a limiting role, so that the fastening pins 6 can keep stable.

Further, the device further comprises a gasket 3, wherein the gasket 3 is arranged between the knurled nut 2 and the template 4, so that the template 4 is prevented from being scratched.

Further, the rear end of the positioning block 5 is attached to the rear end of the inner cavity of the part, so that the positioning function is realized.

Further, an outline processing line is drawn on the end face of the part through a template 4.

Further, the novel hand-held device also comprises a handle 1, wherein the handle 1 is fixedly arranged through matched through holes in the template 4 and the positioning block 5, so that the novel hand-held device is convenient to grasp.

Furthermore, the tool is provided with two groups of identical positioning and clamping devices, and consists of a knurled nut 2, a washer 3, a fastening pin 6, a cylindrical pin A7, a screw 8, a screw 9, a pressing block 10 and a clamp spring 11.

Further, the fastening pins 6 are symmetrically distributed in each group, and are arranged on the side wall of the positioning block 5.

Further, each group of fastening pins 6 is assembled with a pressing block 10, and the molded surfaces of the fastening pins 6 are ground and then are attached to the inner cavities of the parts.

Further, the pressing block 10 is installed in the positioning block 5 through the screw 8.

Further, the cylindrical pin A7 is installed in the positioning block 5.

Further, the screw 9 is matched with the positioning block 5 for drilling, is assembled with the cylindrical pin A7, and ensures that the screw 9 can move up and down freely.

Further, the knurled nut 2 is connected with the screw rod 9, and the screw rod is driven to move up and down by adjusting the knurled nut, so that the fastening pins 6 on two sides extend out and are attached to the inner cavity of the part, and the auxiliary positioning and clamping functions are achieved.

Further, washers 3 are arranged at the end heads of the knurled nuts 2 and used for protecting the parts from surface scratches.

Furthermore, the tool is mainly made of a No. 45 steel material, has good toughness and certain wear resistance, and is low in cost.

Technical effects

The milling machine can perform contour milling after positioning the parts firmly, and can ensure that the machining quality meets the requirements.

Drawings

FIG. 1 is a schematic diagram of the overall assembly;

FIG. 2 is a top view;

FIG. 3 is a cross-sectional view of a locating block;

FIG. 4 is a schematic diagram of a template;

FIG. 5 is a schematic view of a screw;

FIG. 6 is a schematic diagram of a briquette;

FIG. 7 is a schematic view of a fastening pin;

FIG. 8 is a schematic diagram of a spring.

Detailed Description

The utility model is further described below with reference to examples. The following description is of some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

1. Installing a positioning tool on the end face of the inner cavity of the hollow metal part;

2. the tool positioning block is flush with the lower end surface of the part;

3. the end face of the rear end template of the tool is flush with the end face of the part;

4. rotating the knurled nut to drive the left fastening pin and the right fastening pin to move, and attaching the inner cavity of the part to assist in positioning;

5. drawing a processing line on the end face;

6. and (5) taking down the tool.

Examples:

the hollow metal part auxiliary positioning tool comprises a handle 1, a knurled nut 2, a sample plate 4, a positioning block 5, a fastening pin 6, a cylindrical pin A7, a screw 8, a screw 9, a pressing block 10, a clamp spring 11, a screw 12 and a cylindrical pin B13, wherein holes on the positioning block 5 are coordinated with holes on the sample plate 4 to be prepared, and the positioning block is connected through the screw 12, so that the cylindrical pin B13 is used for positioning. The knurled nut 2 passes through the sample plate 4 and the positioning block 5 respectively, a group of symmetrical fastening pins 6 are adopted for positioning, the fastening pins 6 are assembled with a pressing block 10, the molded surface of the fastening pins 6 is matched with the inner cavity of the part after being polished, the screw 9 is assembled with the positioning block 5 and the cylindrical pin A7, the screw 9 can move up and down freely, the pressing block 10 is arranged in the positioning block 5 through a screw 8 and presses a clamp spring 11 to prevent falling, and the clamp spring 11 clamps grooves on the two fastening pins 6 to play a limiting role, so that the fastening pins 6 can keep stable.

In the specific embodiment of the utility model, the device further comprises a gasket 3, wherein the gasket 3 is arranged between the knurled nut 2 and the template 4 to prevent the template 4 from being scratched.

In the embodiment of the utility model, the rear end of the positioning block 5 (shown in fig. 3) is attached to the rear end of the inner cavity of the part, so as to play a role in positioning.

In the embodiment of the utility model, the template 4 (shown in fig. 4) is used for drawing the outline on the end face of the part, and in the embodiment of the utility model, the handle 1 is fixedly arranged through the matched through holes on the template 4 and the positioning block 5, so that the gripping is convenient.

In the specific embodiment of the utility model, the fixture is provided with two groups of identical positioning and clamping devices, and consists of a knurled nut 2, a washer 3, a fastening pin 6, a cylindrical pin A7, a screw 8, a screw rod 9, a pressing block 10 and a clamp spring 11.

In the embodiment of the present utility model, two fastening pins 6 (as shown in fig. 7) are arranged in each group, and each group is symmetrically distributed on the side wall of the positioning block 5.

In the specific embodiment of the utility model, each group of fastening pins 6 is assembled with one pressing block 10, and the molded surfaces of the fastening pins 6 are ground and then are attached to the inner cavities of the parts.

In the specific embodiment of the present utility model, the snap spring 11 (as shown in fig. 8) is disposed on the press block 10, and its expansion length is approximately 29.

In the embodiment of the present utility model, the pressing block 10 (as shown in fig. 6) is installed in the positioning block 5 by the screw 8.

In the specific embodiment of the utility model, the cylindrical pin A7 is installed in the positioning block 5.

In the embodiment of the present utility model, the screw 9 (as shown in fig. 5) is matched with the positioning block 5, assembled with the cylindrical pin A7, and ensures that the screw 9 can freely move up and down.

In the specific embodiment of the utility model, the knurled nut 2 is connected with the screw 9, and the screw is driven to move up and down by adjusting the knurled nut, so that the fastening pins 6 on two sides extend out and are attached to the inner cavity of the part, and the auxiliary positioning and clamping functions are realized.

In the specific embodiment of the utility model, the end heads of the knurled nuts 2 are provided with washers 3 for protecting the parts from surface scratches.

In the specific embodiment of the utility model, the tool is mainly made of No. 45 steel materials, has good toughness and certain wear resistance, and is low in cost.

It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein. While the foregoing is directed to embodiments of the present utility model, other and further details of the utility model may be had by the present utility model, it should be understood that the foregoing description is merely illustrative of the present utility model and that no limitations are intended to the scope of the utility model, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the utility model.

Claims (10)

1. The auxiliary positioning tool for the hollow metal part is characterized by comprising a knurled nut, a template, a positioning block, a fastening pin, a cylindrical pin A, a screw rod, a pressing block, a clamp spring, a screw and a cylindrical pin B, wherein holes on the positioning block are matched with holes on the template, and are connected through the screw, and the cylindrical pin B is used for positioning; the knurled nut passes through the sample plate and the positioning block respectively, a group of symmetrical fastening pins are used for positioning, the fastening pins are assembled with a pressing block, the molded surface of the fastening pin is polished and then is attached to the inner cavity of the part, the screw rod is matched with the positioning block for drilling, is assembled with the cylindrical pin A, the screw rod is ensured to move up and down freely, the pressing block is installed in the positioning block through a screw, the clamp spring is pressed, falling is prevented, the clamp spring clamps the grooves of the two fastening pins, and the limiting effect is achieved, so that the fastening pins can be kept stable.

2. The tooling for assisting in positioning of a hollow metal part according to claim 1, further comprising a washer disposed between the knurled nut and the template to prevent scoring of the template.

3. The auxiliary positioning tool for the hollow metal parts according to claim 2, wherein the rear end of the positioning block is attached to the rear end of the inner cavity of the part to perform a positioning function.

4. A hollow metal part auxiliary positioning tool according to claim 3, wherein the contour machining line is drawn on the end face of the part through a template.

5. The auxiliary positioning tool for the hollow metal parts according to claim 4, further comprising a handle, wherein the handle is fixedly installed through matched through holes in the template and the positioning block, and is convenient to grasp.

6. The auxiliary positioning tool for the hollow metal parts according to claim 5, wherein the tool is provided with two identical positioning and clamping devices, and the two identical positioning and clamping devices comprise knurled nuts, washers, fastening pins, cylindrical pins A, screws, threaded rods, pressing blocks and clamping springs.

7. The auxiliary positioning tool for the hollow metal parts according to claim 6, wherein each group of two fastening pins are symmetrically distributed, and the two fastening pins are arranged on the side wall of the positioning block.

8. The auxiliary positioning tool for hollow metal parts according to claim 7, wherein each group of fastening pins is assembled with a pressing block, and the molded surfaces of the fastening pins are attached to the inner cavities of the parts after being polished.

9. The auxiliary positioning tool for the hollow metal parts according to claim 8, wherein the screw rod is matched with the positioning block for drilling, assembled with the cylindrical pin A and capable of moving up and down freely; the knurled nut is connected with the screw rod, and the screw rod is driven to move up and down by adjusting the knurled nut, so that the fastening pins on two sides extend out and are attached to the inner cavity of the part, and the functions of auxiliary positioning and clamping are achieved.

10. The auxiliary positioning tool for hollow metal parts according to claim 9, wherein washers are arranged at the end parts of the knurled nuts for protecting the parts from surface scratches; the tool is mainly made of 45 # steel materials.