阅读说明：本技术 一种链轮铣削成套工装和装夹方法 (Chain wheel milling complete tool and clamping method ) 是由 朱中敏 邱国良 邹志辉 于 2021-09-03 设计创作，主要内容包括：本发明提供了一种链轮铣削成套工装和装夹方法,它包括工装本体,所述工装本体的顶部支撑安装有定位套,所述工装本体的顶部固定有用于将定位套进行压紧的压板结构；所述定位套用于套装固定待加工的链轮；所述链轮通过压盖结构压紧固定在定位套上。解决目前在制张紧链轮种类多、批量小的加工特点,进而便于实施快速更换工装的目的,有效的减少工件更换夹具安装、找正时间,进而提高设备利用率。(The invention provides a chain wheel milling complete tool and a clamping method, which comprises a tool body, wherein a positioning sleeve is supported and installed at the top of the tool body, and a pressing plate structure for pressing the positioning sleeve is fixed at the top of the tool body; the positioning sleeve is used for sleeving and fixing the chain wheel to be processed; the chain wheel is pressed and fixed on the positioning sleeve through the gland structure. The problem of present in the tensioning sprocket kind many, the little processing characteristics in batches of making, and then be convenient for implement the purpose of quick replacement frock, effectual reduction work piece change anchor clamps installation, alignment time, and then improve equipment utilization ratio.)

1. The chain wheel milling complete tool is characterized by comprising a tool body (1), wherein a positioning sleeve (2) is supported and mounted at the top of the tool body (1), and a pressing plate structure for pressing the positioning sleeve (2) is fixed at the top of the tool body (1); the positioning sleeve (2) is used for sleeving and fixing the chain wheel to be machined; the chain wheel is pressed and fixed on the positioning sleeve (2) through a gland structure.

2. The chain wheel milling complete set tool according to claim 1, characterized in that: the clamp plate structure includes that a plurality of first stud bolts (10) at frock body (1) top are installed to the equipartition, location installation has clamp plate (8) on first stud bolt (10), clamp plate (8) compress tightly at the top of position sleeve (2) through first nut (9).

3. The chain wheel milling complete set tool according to claim 1, characterized in that: the gland structure comprises a plurality of second stud bolts (5) which are uniformly arranged at the top of the tool body (1), a gland (4) is arranged on each second stud bolt (5), a second nut (6) and a gasket (7) are sleeved on each second stud bolt (5), and the gland (4) is pressed on the top end of the chain wheel.

4. The chain wheel milling complete set tool according to claim 1, characterized in that: the tool body (1) comprises a conical cylinder body (102), a flange chassis (101) is arranged at the bottom end of the conical cylinder body (102), a plurality of flange through holes (105) are uniformly distributed and processed on the flange chassis (101), a supporting step (103) is arranged at the top of the conical cylinder body (102), and a central positioning cylinder (104) for mounting the positioning sleeve (2) is arranged at the central part of the supporting step (103); the top end of the central positioning cylinder (104) is uniformly provided with a plurality of threaded holes (106), and the threaded holes (106) are respectively matched with a first stud (10) of the pressing plate structure and a second stud (5) of the pressing cover structure.

5. The chain wheel milling complete set tool according to claim 1, characterized in that: the positioning sleeve (2) comprises a supporting bottom plate (201), the supporting bottom plate (201) is supported on a supporting step (103) of the tool body (1), a chain wheel positioning cylinder (202) for positioning a chain wheel is arranged at the center of the supporting bottom plate (201), and chamfers (204) are respectively machined on the outer edge of the top and the inner edge of the bottom of the chain wheel positioning cylinder (202); a plurality of hoisting holes (203) are uniformly processed at the top of the chain wheel positioning cylinder (202).

6. The sprocket milling complete set of tooling of claim 5, wherein: the positioning sleeve (2) has various different dimensions, the outer diameter of the chain wheel positioning cylinder (202) is phi A, the outer diameter of the supporting base plate (201) is phi B, and phi C is arranged between the circumferences of the hoisting holes (203); wherein the outer diameter of the sprocket positioning cylinder (202) is matched with the inner diameter of the positioned sprocket.

7. The sprocket milling complete set of tooling of claim 6, wherein: when the inner diameter of the chain wheel is phi 324, phi A is 324 (-0.02, -0.05), phi B is 424, and phi C is 300;

when the inner diameter of the chain wheel is phi 378, phi A is 378 (-0.02, -0.05), phi B is 478, and phi C is 330;

when the inner diameter of the sprocket is phi 394, phi A is 394 (-0.02, -0.05), phi B is 494, and phi C is 335;

when the inner diameter of the chain wheel is phi 416, phi A is 416 (-0.02, -0.05), phi B is 516, and phi C is 345;

when the inner diameter of the chain wheel is phi 432, phi A is 432 (-0.02, -0.05), phi B is 532, and phi C is 375;

when the inner diameter of the sprocket is phi 474, phi A is 474 (-0.02, -0.05), phi B is 574, and phi C is 395.

8. The method for clamping the chain wheel by adopting the chain wheel milling complete set tool as claimed in any one of claims 1 to 7 is characterized by comprising the following steps:

the method comprises the following steps: firstly, selecting a matched positioning sleeve (2) according to the size and the model of a chain wheel to be processed;

step two: sleeving the positioning sleeve (2) on the tool body (1) through a central hole of the positioning sleeve;

step three: a pressing plate (8) is arranged at the top of the tool body (1), and the positioning sleeve (2) is pressed and fixed through the pressing plate (8);

step four: the chain wheel is arranged on the positioning sleeve (2);

step five: a gland (4) is fixed at the top of the chain wheel, and the gland (4) is tightly pressed and fixed at the top of the chain wheel through a second nut (6), so that the chain wheel is fixed;

step six: starting the machine tool to process the chain wheel;

step seven: and after the chain wheels of the same batch are machined, taking down the positioning sleeve (2), and repeating the steps one to six to complete the machining of the chain wheels of the next batch.

Technical Field

The invention relates to the technical field of chain wheel machining, in particular to a chain wheel milling complete tool and a clamping method.

Background

At present, a numerical control gear milling machine for milling chain wheels and gears is developed in a machine tool factory, a tension chain wheel manufactured by the factory is very suitable for milling the tooth form of the chain wheel on the equipment, the milling efficiency is high, and operators of special equipment do not need to be arranged for operation. However, the existing tensioning chain wheels are multiple in models and small in batch in single batch, the milling tool provided by equipment manufacturers is designed and manufactured only for a single chain wheel, the clamping and aligning time for replacing the tool is long, and the clamping and aligning time is not favorable for organizing production.

Disclosure of Invention

In view of the above problems, the invention aims to provide a complete set of tool for chain wheel milling and a clamping method, which solve the processing characteristics of multiple types and small batch of tensioning chain wheels in the prior art, further facilitate the implementation of the purpose of quickly replacing the tool, effectively reduce the time for installing and aligning a workpiece replacing clamp, and further improve the utilization rate of equipment.

In order to achieve the technical features, the invention is realized as follows: a chain wheel milling complete set tool comprises a tool body, wherein a positioning sleeve is supported and installed at the top of the tool body, and a pressing plate structure for pressing the positioning sleeve is fixed at the top of the tool body; the positioning sleeve is used for sleeving and fixing the chain wheel to be processed; the chain wheel is pressed and fixed on the positioning sleeve through the gland structure.

The clamp plate structure includes that the equipartition is installed at a plurality of first stud at frock body top, the clamp plate is installed to first stud go up the location, the clamp plate compresses tightly at the top of position sleeve through first nut.

The gland structure comprises a plurality of second stud bolts which are uniformly distributed and installed at the top of the tool body, glands are installed on the second stud bolts, second nuts and gaskets are sleeved on the second stud bolts, and the glands are pressed on the top end of the chain wheel.

The tool body comprises a conical barrel, a flange chassis is arranged at the bottom end of the conical barrel, a plurality of flange through holes are uniformly distributed and processed on the flange chassis, a supporting step is arranged at the top of the conical barrel, and a central positioning barrel for mounting a positioning sleeve is arranged at the central part of the supporting step; a plurality of threaded holes are uniformly formed in the top end of the central positioning cylinder and are respectively matched with a first stud of the pressing plate structure and a second stud of the pressing cover structure.

The positioning sleeve comprises a supporting bottom plate, the supporting bottom plate is supported on a supporting step of the tool body, a chain wheel positioning cylinder for positioning a chain wheel is arranged at the center of the supporting bottom plate, and chamfers are respectively machined on the outer edge of the top and the inner edge of the bottom of the chain wheel positioning cylinder; a plurality of hoisting holes are uniformly processed at the top of the chain wheel positioning cylinder.

The positioning sleeve is provided with a plurality of different size specifications, the outer diameter of the chain wheel positioning cylinder is phi A, the outer diameter of the supporting bottom plate is phi B, and phi C is arranged between the circumferences of the hoisting holes; wherein the outer diameter of the chain wheel positioning cylinder is matched with the inner diameter of the positioned chain wheel.

When the inner diameter of the chain wheel is phi 324, phi A is 324 (-0.02, -0.05), phi B is 424, and phi C is 300;

when the inner diameter of the chain wheel is phi 378, phi A is 378 (-0.02, -0.05), phi B is 478, and phi C is 330;

when the inner diameter of the sprocket is phi 394, phi A is 394 (-0.02, -0.05), phi B is 494, and phi C is 335;

when the inner diameter of the chain wheel is phi 416, phi A is 416 (-0.02, -0.05), phi B is 516, and phi C is 345;

when the inner diameter of the chain wheel is phi 432, phi A is 432 (-0.02, -0.05), phi B is 532, and phi C is 375;

when the inner diameter of the sprocket is phi 474, phi A is 474 (-0.02, -0.05), phi B is 574, and phi C is 395.

A method for clamping a chain wheel by a chain wheel milling complete set tool comprises the following steps:

the method comprises the following steps: firstly, selecting a matched positioning sleeve according to the size and the model of a chain wheel to be processed;

step two: sleeving the positioning sleeve on the tool body through the central hole of the positioning sleeve;

step three: a pressing plate is arranged at the top of the tool body, and the positioning sleeve is pressed and fixed through the pressing plate;

step four: mounting the chain wheel on the positioning sleeve;

step five: a gland is fixed at the top of the chain wheel and is tightly pressed and fixed at the top of the chain wheel through a second nut, so that the chain wheel is fixed;

step six: starting the machine tool to process the chain wheel;

step seven: and after the chain wheels of the same batch are machined, taking down the positioning sleeve, and repeating the first step, the second step and the third step to complete machining of the chain wheels of the next batch.

The invention has the following beneficial effects:

1. after the tool is adopted, when a workpiece is replaced, the tool can be quickly replaced by only disassembling the positioning sleeve pressing plate and taking down the positioning sleeve by the lifting ring to replace the required positioning sleeve without complicated clamping and aligning time. The single-time machine adjustment can save time by about one hour, and greatly reduce the labor intensity of operators.

2. By adopting the tool, the sizes of the positioning holes in the chain wheel manufacturing list are collected, the tool body and the positioning sleeves with other specifications are designed and manufactured by the minimum positioning hole phi 280, and the coaxiality requirements of the sprocket tooth shapes with the central positioning hole of various specifications are phi 0.1MM, so that the purpose of replacing the tool without alignment can be realized by controlling two fit clearances within 0.08MM, and the tool can be quickly replaced.

3. Through foretell gland structure can be used for carrying out reliable fixed and pressure equipment to the sprocket, and then subsequent automatic processing of being convenient for.

4. The pressing plate structure can be used for fixing the positioning sleeve, so that the positioning sleeve is fixed at the top of the tool body in a press-fitting mode, and the fixing reliability of the positioning sleeve is guaranteed.

5. The tool body can be used for supporting and fixing the whole tool, and is fixedly installed on a workbench of a machine tool in a specific using process, and the top of the tool body is used for fixedly placing the positioning sleeve.

6. The positioning sleeve is used for positioning and mounting the chain wheel, so that the subsequent normal processing of the chain wheel is ensured.

Drawings

The invention is further illustrated by the following figures and examples.

Fig. 1 is a front sectional view of the present invention.

Fig. 2 is a main sectional view of the tool body of the present invention.

Fig. 3 is a top sectional view of the tool body of the present invention.

Fig. 4 is a front sectional view of the positioning sleeve of the present invention.

In the figure: the tool comprises a tool body 1, a positioning sleeve 2, a chain wheel 3, a gland 4, a second stud 5, a second nut 6, a gasket 7, a pressure plate 8, a first nut 9 and a first stud 10;

the flange comprises a flange chassis 101, a conical cylinder 102, a supporting step 103, a central positioning cylinder 104, a flange through hole 105 and a threaded hole 106;

support bottom plate 201, sprocket location section of thick bamboo 202, lifting hole 203, chamfer 204.

Detailed Description

Embodiments of the present invention will be further described with reference to the accompanying drawings.

Example 1:

referring to fig. 1-4, a chain wheel milling complete set tool comprises a tool body 1, wherein a positioning sleeve 2 is supported and installed at the top of the tool body 1, and a pressing plate structure for pressing the positioning sleeve 2 is fixed at the top of the tool body 1; the positioning sleeve 2 is used for sleeving and fixing the chain wheel 3 to be processed; the chain wheel 3 is pressed and fixed on the positioning sleeve 2 through a gland structure. The complete set of tooling with the structure can be used in the machining process of the chain wheel 3, and reliably fixes the chain wheel 3, so that the complete set of tooling is matched with a machine tool to complete the machining of the chain wheel. And the installation and the positioning of the chain wheels with different models can be realized by replacing the positioning sleeves 2 with different models.

Further, the clamp plate structure includes that the equipartition is installed at a plurality of first stud 10 at 1 top of frock body, location installation has clamp plate 8 on the first stud 10, clamp plate 8 compresses tightly at the top of position sleeve 2 through first nut 9. The pressing plate structure can be used for fixing the positioning sleeve 2, and then the positioning sleeve is fixed to the top of the tool body 1 in a press-fitting mode, so that the fixing reliability of the positioning sleeve is guaranteed. During the specific installation process, the pressing plate 8 can be pressed on the top of the chain wheel 3 by adjusting the first nut 9.

Further, the gland structure includes that the equipartition is installed at a plurality of second stud 5 at 1 top of frock body, install gland 4 on the second stud 5, the cover is equipped with second nut 6 and gasket 7 on the second stud 5 to with gland 4 pressure equipment on the top of sprocket 3. Through foretell gland structure can be used for carrying out reliable fixed and pressure equipment to sprocket 3, and then subsequent automatic processing of being convenient for. In the specific installation process, the gland 4 can be compressed by adjusting the second nut 6, and then the gland 4 is compressed and fixed at the top of the chain wheel 3.

Further, the tool body 1 comprises a conical cylinder 102, a flange base plate 101 is arranged at the bottom end of the conical cylinder 102, a plurality of flange through holes 105 are uniformly distributed and processed on the flange base plate 101, a supporting step 103 is arranged at the top of the conical cylinder 102, and a central positioning cylinder 104 for mounting the positioning sleeve 2 is arranged at the central part of the supporting step 103; a plurality of threaded holes 106 are uniformly formed in the top end of the central positioning cylinder 104, and the threaded holes 106 are respectively matched with the first stud bolt 10 of the pressing plate structure and the second stud bolt 5 of the pressing cover structure. Through foretell frock body 1 can be used for supporting and fixing whole frock, in the specific use, frock body 1 fixed mounting is on the workstation of lathe to be used for the fixed position cover 2 of placing at its top.

Further, the positioning sleeve 2 comprises a supporting bottom plate 201, the supporting bottom plate 201 is supported on the supporting step 103 of the tool body 1, a sprocket positioning cylinder 202 for positioning the sprocket 3 is arranged at the center of the supporting bottom plate 201, and chamfers 204 are respectively machined on the top outer edge and the bottom inner edge of the sprocket positioning cylinder 202; a plurality of hoisting holes 203 are uniformly machined at the top of the sprocket positioning cylinder 202. The positioning sleeve 2 is used for positioning and mounting the chain wheel 3, and then the follow-up normal processing of the chain wheel 3 is ensured.

Furthermore, the positioning sleeve 2 has various different dimensions, the outer diameter of the sprocket positioning cylinder 202 is phi A, the outer diameter of the supporting base plate 201 is phi B, and phi C is arranged between the circumferences of the hoisting holes 203; wherein the outer diameter of the sprocket positioning cylinder 202 matches the inner diameter of the positioned sprocket 3. The positioning sleeves 2 of different models are adopted to adapt to the chain wheels 3 of different sizes, so that the clamping precision of the positioned chain wheels is facilitated, and the replacing efficiency is improved.

Further, when the inner diameter of the sprocket 3 is phi 324, phi A is 324 (-0.02, -0.05), phi B is 424, and phi C is 300;

when the inner diameter of the chain wheel 3 is phi 378, phi A is 378 (-0.02, -0.05), phi B is 478, and phi C is 330;

when the inner diameter of sprocket 3 is φ 394, φ A is 394 (-0.02, -0.05), φ B is 494, φ C is 335;

when the inner diameter of the chain wheel 3 is phi 416, phi A is 416 (-0.02, -0.05), phi B is 516, and phi C is 345;

when the inner diameter of the chain wheel 3 is phi 432, phi A is 432 (-0.02, -0.05), phi B is 532, and phi C is 375;

when the inner diameter of the sprocket 3 is phi 474, phi A is 474 (-0.02, -0.05), phi B is 574, and phi C is 395.

Example 2:

a method for clamping a chain wheel by a chain wheel milling complete set tool comprises the following steps:

the method comprises the following steps: firstly, selecting a matched positioning sleeve 2 according to the size and the model of a chain wheel 3 to be processed;

step two: sleeving the positioning sleeve 2 on the tool body 1 through a central hole of the positioning sleeve;

step three: a pressing plate 8 is arranged at the top of the tool body 1, and the positioning sleeve 2 is pressed and fixed through the pressing plate 8;

step four: the chain wheel 3 is arranged on the positioning sleeve 2;

step five: a gland 4 is fixed at the top of the chain wheel 3, and the gland 4 is tightly pressed and fixed at the top of the chain wheel 3 through a second nut 6, so that the chain wheel 3 is fixed;

step six: starting the machine tool to process the chain wheel 3;

step seven: and after the chain wheels 3 in the same batch are machined, taking down the positioning sleeve 2, and repeating the steps one to six to complete the machining of the chain wheels 3 in the next batch.