CN215393844U - Boring machine fixture for machining two holes of support shell - Google Patents
Boring machine fixture for machining two holes of support shell Download PDFInfo
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- CN215393844U CN215393844U CN202120960819.8U CN202120960819U CN215393844U CN 215393844 U CN215393844 U CN 215393844U CN 202120960819 U CN202120960819 U CN 202120960819U CN 215393844 U CN215393844 U CN 215393844U
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- 238000003754 machining Methods 0.000 title claims abstract description 16
- 238000003825 pressing Methods 0.000 claims abstract description 9
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Abstract
The utility model discloses a boring machine fixture for processing two holes of a support shell, which comprises a base, a support, a guide element, a workpiece positioning and clamping mechanism and the like. The bottom surface and the front side plane of the workpiece bottom plate adopt two supporting blocks to limit the freedom degree of the workpiece moving along the Y direction, the freedom degree of the workpiece rotating along the X, Z direction and the freedom degrees of the workpiece moving along the X direction and the Y direction, and the end surface of the lower right side of the workpiece limits the freedom degree of the workpiece moving along the Z direction, so that the complete positioning is realized. Four movable pressing plates are respectively pressed on the top surface of the workpiece bottom plate, so that the clamping is firm and reliable, the workpiece is not easy to deform due to the clamping, and the operation is convenient.
The guide elements on the left side and the right side of the two-hole machining adopt fixed boring sleeves, and the boring sleeves are fastened on the brackets on the left side and the right side of the boring machine fixture. And a double-support guide boring machine fixture structure is adopted to enhance the rigidity of the boring bar. The clamp structure is simplified under the condition of meeting the requirements of processing two holes of the workpiece, so that the clamping speed is greatly increased, and the processing efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of clamping tools, and particularly relates to a boring machine fixture for machining two holes in a support shell.
Background
The bracket shell (hereinafter referred to as a workpiece) has the advantages of high dimensional accuracy of two holes, high positioning accuracy, high geometric tolerance requirement and high surface quality requirement. Therefore, the common plane fixture is used for positioning and clamping, a plurality of auxiliary tools are often needed, the clamping speed is greatly reduced, the clamping tool is complex in structure and high in processing cost, and the requirements of part drawings are difficult to meet, so that the fixture suitable for processing the two holes of the support shell is needed to be designed.
The utility model aims at high dimensional accuracy, higher positioning accuracy, high geometric tolerance requirement and high surface quality requirement of two holes of a workpiece, so that the six-freedom-degree comprehensive positioning is required to be realized.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the utility model provides a boring machine fixture for machining two holes of a support shell, aiming at solving the technical problems that in the prior art, in the machining process of the holes of the support shell, a fixture for clamping the holes of the support shell is complex in structure, low in clamping speed and low in machining efficiency, and the precision of the holes of the support shell cannot meet the requirement of a part diagram easily.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model provides a two spot facing work boring machine anchor clamps of support casing, includes: the device comprises a base, a left support, a supporting block, a pressing plate, a stop pin, a right support, a drill bushing, a screw, a boring bushing and a hoisting bolt. The boring machine fixture for processing two holes of the bracket shell is in a symmetrical structure of a central line.
The base is of a plane structure, the left support, the supporting blocks, the stop pins and the right support are all sequentially fixed above the base, two rows of supporting blocks are fixed on the base, and two rows of supporting blocks are arranged between every two rows of supporting blocks.
The stop pin is embedded in the right side of the supporting block, the right support is fixed on the right side of the stop pin, and the stop pin is positioned on the central line. And a drill bushing and a boring bushing are sequentially arranged above the right bracket. The screws are fixed below the boring sleeve, and the hoisting bolts are fixed on the left side and the right side of the base.
The bottom surface and the front side plane of the workpiece bottom plate adopt two supporting blocks to limit the freedom degree of the workpiece moving along the Y direction, the freedom degree of the workpiece rotating along the X, Z direction and the freedom degrees of the workpiece moving along the X direction and the Y direction, and the end surface of the lower part of the right side of the workpiece limits the freedom degree of the workpiece moving along the Z direction, so that the complete positioning is realized.
The boring machine fixture adopts a double-support guide boring machine fixture structure so as to enhance the rigidity of the boring bar.
The boring bar of the boring machine fixture is connected with the machine tool spindle through a floating joint.
The base adopts a casting blank, the lower part of the base adopts a plurality of cross reinforcing ribs to enhance rigidity, and an alignment base plane is processed on the base, so that the boring machine fixture can be conveniently installed on a boring machine. And the four hoisting bolts are arranged, so that the clamp is convenient to carry and hoist.
The utility model has the beneficial effects that:
(1) the boring machine fixture for processing the two holes of the bracket shell has the advantages of high dimensional precision of the two holes, higher positioning precision, high geometric tolerance requirement and high surface quality requirement, and simplifies the fixture structure, thereby greatly accelerating the clamping speed and improving the processing efficiency.
(2) The bottom surface and the front side plane of the workpiece bottom plate adopt two supporting blocks to limit the freedom degree of the workpiece moving along the Y direction, the freedom degree of the workpiece rotating along the X, Z direction and the freedom degrees of the workpiece moving along the X direction and the Y direction, and the end surface of the lower right side of the workpiece limits the freedom degree of the workpiece moving along the Z direction, so that the complete positioning is realized.
(3) Four movable pressing plates are adopted to be respectively pressed on the top surface of the workpiece bottom plate, the clamping is firm and reliable, the workpiece is not easy to deform due to the clamping, and the operation is convenient.
(4)
The guide elements on the left side and the right side of the two-hole machining adopt fixed boring sleeves, and the boring sleeves are fastened on the brackets on the left side and the right side of the boring machine fixture.
(5) And a double-support guide boring machine fixture structure is adopted to enhance the rigidity of the boring bar.
(6) The boring bar is connected with a machine tool spindle by adopting a floating joint.
(7) Through calculation, the boring machine clamp has certain precision reserve and can meet the requirement
Precision requirement of coaxiality of two holes and axis pair of two holes
The accuracy requirement of the axis parallelism.
Drawings
FIG. 1 is a side view of a boring machine fixture for machining two holes in a bracket shell.
FIG. 2 is a right side view of the boring machine fixture for machining two holes in the bracket shell.
FIG. 3 is a top view of a boring machine fixture for machining two holes in a housing.
Fig. 4 is a set of views of the housing parts of the stand.
In the figure: 1, a base; 2, a left bracket; 3, supporting the block; 4, pressing a plate; 5, a stop pin; 6, a right bracket; 7, drilling a sleeve; 8, a screw; 9, boring a sleeve; 10 hoisting the bolt.
Detailed Description
The utility model is further illustrated with reference to the following figures and examples.
Referring to fig. 4, the boring machine fixture for processing two holes of the bracket shell adopted in the process is used for processing
Two holes, the material of the workpiece is HT400, and other surfaces are processed and meet the requirements of the process diagram of the bracket shell.
As shown in fig. 1, a boring machine fixture for machining two holes in a bracket shell comprises: the device comprises a base 1, a left support 2, a supporting block 3, a pressing plate 4, a stop pin 5, a right support 6, a drill bushing 7, a screw 8, a boring bushing 9 and a hoisting bolt 10. The boring machine fixture for processing two holes of the bracket shell is in a symmetrical structure of a central line.
The base 1 is of a plane structure, the left support 2, the support blocks 3, the stop pins 5 and the right support 6 are all sequentially fixed above the base 1, the two rows of support blocks 3 are fixed on the base 1, and a gap is formed between every two rows of support blocks.
The stop pin 5 is embedded in the right side of the supporting block 3, the right bracket 6 is fixed on the right side of the stop pin 5, and the stop pin 5 is positioned on the central line. And a drill bush 7 and a boring bush 9 are sequentially arranged above the right bracket 6. The screw 8 is fixed below the boring sleeve 9, and the hoisting bolt 10 is fixed on the left side and the right side of the base 1.
The boring machine fixture is connected with the machine tool through the contact of the lower surface of the fixture base and the machine tool workbench. The clamp needs to pass through an alignment base plane on the base, and the error of parallelism between the clamp and the center of the main shaft is guaranteed to be less than 0.01 by marking. A boring bar arranged on the main shaft is inserted into a boring sleeve hole, and three boring cutters are arranged at proper positions at the right end of the boring bar from left to right
The correction aligns the center of the machine tool spindle. After the two items are finished, the fixing is carried out by a screw pressing plate.
The fixture is fixed on a workpiece table of a boring machine. The bottom surface and the front side plane of the workpiece bottom plate are supported and limited by two supporting blocks, the freedom degree of the workpiece moving along the Y direction, the freedom degree of the workpiece rotating along the X, Z direction and the freedom degrees of the workpiece moving along the X direction and the Y direction can be limited, the end surface of the lower right side part of the workpiece is limited by a stop pin, the freedom degree of the workpiece moving along the Z direction is limited, and the complete positioning is realized. Four movable pressing plates are respectively pressed on the top surface of the workpiece bottom plate, and screws are screwed to firmly clamp the workpiece. Three boring cutters are arranged on the boring bar, the boring bar and the boring cutters work rightwards to bore the workpiece to a certain position, and the workpiece can be simultaneously bored
And (5) carrying out coarse and fine boring processing on the two holes. And (4) returning the boring bar and the boring cutter to a certain position, loosening screws of the clamping mechanism, removing the four pressing plates, taking down the workpiece, and replacing the next workpiece.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (3)
1. The utility model provides a two spot facing work boring machine anchor clamps of support casing which characterized in that includes: the device comprises a base (1), a left support (2), a supporting block (3), a pressing plate (4), a stop pin (5), a right support (6), a drill bushing (7), a screw (8), a boring bushing (9) and a hoisting bolt (10); the boring machine fixture for processing two holes of the bracket shell is in a symmetrical structure of a central line;
the base (1) is of a plane structure, the left support (2), the supporting blocks (3), the stop pins (5) and the right support (6) are all sequentially fixed above the base (1), two rows of supporting blocks (3) are fixed on the base (1), and a gap is formed between every two rows of supporting blocks;
the stop pin (5) is embedded in the right side of the supporting block (3), the right bracket (6) is fixed on the right side of the stop pin (5), and the stop pin (5) is positioned on the central line; a drill sleeve (7) and a boring sleeve (9) are sequentially arranged above the right bracket (6); the screws (8) are fixed below the boring sleeve (9), and the hoisting bolts (10) are fixed on the left side and the right side of the base (1);
2. The fixture for boring machine for machining two holes in bracket shell according to claim 1, wherein the fixture for boring machine adopts a double-support guide fixture structure to enhance the rigidity of the boring bar.
3. The fixture for boring the two holes on the bracket shell according to claim 1 or 2, wherein the boring bar of the fixture is connected with the spindle of the machine tool by a floating joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120960819.8U CN215393844U (en) | 2021-05-07 | 2021-05-07 | Boring machine fixture for machining two holes of support shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120960819.8U CN215393844U (en) | 2021-05-07 | 2021-05-07 | Boring machine fixture for machining two holes of support shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215393844U true CN215393844U (en) | 2022-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120960819.8U Active CN215393844U (en) | 2021-05-07 | 2021-05-07 | Boring machine fixture for machining two holes of support shell |
Country Status (1)
| Country | Link |
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| CN (1) | CN215393844U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114799285A (en) * | 2022-04-28 | 2022-07-29 | 常州机电职业技术学院 | Boring die clamp for boring saddle workpiece |
-
2021
- 2021-05-07 CN CN202120960819.8U patent/CN215393844U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114799285A (en) * | 2022-04-28 | 2022-07-29 | 常州机电职业技术学院 | Boring die clamp for boring saddle workpiece |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230801 Address after: 528000, First Floor, No. 15 Employee Road, Dafuji Community, Ronggui Street, Shunde District, Foshan City, Guangdong Province (Residence Declaration) Patentee after: Foshan Jiefeng Electrical Appliance Co.,Ltd. Address before: No.26, Mingxin Middle Road, Wujin District, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU VOCATIONAL INSTITUTE OF MECHATRONIC TECHNOLOGY |