CN115122143A - Chassis bracket finish machining turnover mechanism and four-side machining method applying same - Google Patents
Chassis bracket finish machining turnover mechanism and four-side machining method applying same Download PDFInfo
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- CN115122143A CN115122143A CN202110331640.0A CN202110331640A CN115122143A CN 115122143 A CN115122143 A CN 115122143A CN 202110331640 A CN202110331640 A CN 202110331640A CN 115122143 A CN115122143 A CN 115122143A
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- 238000003754 machining Methods 0.000 title claims abstract description 58
- 230000007246 mechanism Effects 0.000 title claims abstract description 36
- 230000007306 turnover Effects 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims description 17
- 238000012545 processing Methods 0.000 claims abstract description 53
- 238000003672 processing method Methods 0.000 claims abstract description 5
- 239000010720 hydraulic oil Substances 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 11
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims 5
- 238000007906 compression Methods 0.000 claims 5
- 238000013461 design Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/02—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of drums or rotating tables or discs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
Abstract
The invention discloses a chassis support finish machining turnover mechanism, which comprises: the invention also discloses a four-side processing method using the chassis support finish machining turnover mechanism, which is used for clamping, calibrating, processing, turning and processing the workpiece.
Description
Technical Field
The invention relates to a finish machining technology, in particular to a chassis support finish machining turnover mechanism and a four-side machining method using the same.
Background
In the process of machining a chassis support of a heavy truck, four surfaces of the chassis support need to be drilled and milled, a workpiece is clamped on a machining center workbench in a traditional mode, a machining mechanism drills and mills two machining surfaces of the upper surface and the side surface of the workpiece, the workpiece is clamped for the second time after being turned over, the other two surfaces of the workpiece are machined after approval of a benchmark, the process is time-consuming and labor-consuming, the accuracy of a machining position is difficult to guarantee, and machining precision is influenced.
In addition, the chassis support relates to the machining processes of front and back surface machining, plane, curved surface, long hole and the like, the precision requirement is high, the existing four-axis machining tool is expensive, and the replacement and maintenance cost is high.
Current patent CN 209598694U discloses four-axis revolving stage anchor clamps with adjustable, including the base, inlay screwed pipe that just the symmetry set up on the base, the regulating box that sets up in base top symmetry, the headstock of setting on the regulating box, two headstock one side in opposite directions are equipped with the four-axis revolving stage, connect through the workstation between two four-axis revolving stages, the advantage is can be convenient adjust from top to bottom and control the regulation revolving stage, the shortcoming is unable stable clamping work piece, can't process the lower surface of work piece.
The prior patent CN110216531A discloses a double-head ultrasonic processing device and a double-side processing method using the same, wherein two symmetrical ultrasonic processing machines are installed on two sides of a processed workpiece to realize simultaneous processing of two sides of the workpiece, so as to avoid re-clamping of double-side processing, and the defect that four-side processing cannot be realized.
Therefore, the existing three-axis machine tool needs to be improved to have a four-axis function, so that the four-side machining precision of the chassis support can be met, the cost can be saved, and the three-axis machine tool is convenient to popularize.
Disclosure of Invention
The invention provides a chassis support finish machining turnover mechanism and a four-side machining method using the same, and aims to achieve the purpose.
The invention adopts a technical scheme that:
a chassis support finish machining turnover mechanism comprises:
the fixing plate is fixed on the machining center workbench;
the rotary table component is arranged on the fixed plate and used for driving the workpiece to rotate;
the limiting assembly is arranged on the rotary table assembly, is matched with the profile of the workpiece and is used for placing the workpiece to be machined;
the compressing assembly is arranged on the rotary table assembly and is matched with the limiting assembly to compress a processed workpiece;
the rotary table assembly comprises a main servo rotary table, an auxiliary rotary table and a main and auxiliary connecting bottom plate, the main servo rotary table can turn over by 360 degrees through servo control, the main servo rotary table and the auxiliary rotary table are fixedly connected through the main and auxiliary connecting bottom plate, and a cavity is formed in the main and auxiliary connecting bottom plate.
Furthermore, the main servo rotary table and the auxiliary rotary table are connected with the fixed plate through mounting blocks.
Further, the limiting assembly comprises a processing limiting block and a supporting limiting block, the processing limiting block is hollow, the shape and the position of the processing limiting block are matched with the cavity, and the supporting limiting block is arranged on two sides of the processing limiting block.
Further, the processing limiting block is a circular limiting block, and a convex part is arranged on the upper surface of the processing limiting block.
Furthermore, the upper surface of the supporting limiting block is designed to be concave-convex stripes for increasing roughness.
Furthermore, the pressing assembly comprises an edge pressing assembly and a middle pressing assembly, the edge pressing assembly is arranged on two sides of the supporting limiting block, and the middle pressing assembly is arranged on two sides of the processing limiting block.
Furthermore, the edge pressing assembly comprises a hydraulic corner cylinder and a horizontal corner pressing block, the driving end of the hydraulic corner cylinder is connected with one end of the horizontal corner pressing block, and an insert block is arranged below the other end of the horizontal corner pressing block.
Furthermore, the middle pressing assembly comprises a hydraulic oil cylinder and a vertical corner pressing block, the driving end of the hydraulic oil cylinder is connected with one end of the vertical corner pressing block, and the middle part of the vertical corner pressing block is connected with the hydraulic oil cylinder through a connecting piece.
Furthermore, the limiting assembly further comprises a shape copying positioning block, and the shape copying positioning block is arranged between the middle pressing assembly and the edge pressing assembly.
The invention adopts another technical scheme that:
the four-side processing method applying the chassis support finish machining turnover mechanism comprises the following steps:
s1, providing a workpiece to be processed and a three-axis processing center provided with the chassis support finish machining turnover mechanism;
s2, placing the workpiece to be processed on the limiting assembly, and compacting the workpiece by the compacting assembly;
s3, the triaxial machining center carries out reference calibration through the edge finder;
s4, processing the upper surface and the side surface of the workpiece by the upper processing head and the side processing head of the three-axis processing center;
s5, after the first processing, the turntable assembly automatically turns over, and the upper processing head and the side processing head process the lower surface and the other side surface of the workpiece;
and S6, after the four sides are machined, the turntable assembly restores to the initial position and the workpiece is replaced.
The invention discloses a chassis support finish machining turnover mechanism and a four-side machining method using the same, which have the beneficial effects that:
1. the 360-degree turnover is realized by the turntable assembly, the angle of the workpiece can be adjusted, the machining surface of the turntable assembly is matched with the working direction of the machining mechanism, and different machining requirements of planes, curved surfaces, long holes and the like are met.
2. The limiting assembly and the pressing assembly are designed on the bottom plate, so that the position of a workpiece is limited, the workpiece is guaranteed to be pressed, and the position of the workpiece is stable in the processing and overturning processes.
3. By using the turnover mechanism, the function of one-time clamping and multi-surface processing is realized, and the processing efficiency and the precision are improved.
Drawings
FIG. 1 is a perspective view of a finish machining turnover mechanism of a chassis support in an embodiment of the invention;
FIG. 2 is a side view of a finishing and overturning mechanism for a chassis frame in an embodiment of the invention;
FIG. 3 is a top view of a chassis support finishing and turnover mechanism in an embodiment of the present invention;
FIG. 4 is a detailed view of a finish machining turnover mechanism of a chassis support in an embodiment of the invention;
FIG. 5 is a perspective view of a chassis support finishing and turnover mechanism with a workpiece according to an embodiment of the present invention;
the parts in the drawings are numbered as follows: 1. the fixed plate, 2, the revolving stage subassembly, 3, spacing subassembly, 4, compress tightly the subassembly, 5, the work piece, 21, main servo revolving stage, 22, vice revolving stage, 23, main vice connecting bottom plate, 24, the installation piece, 231, the cavity, 31, processing stopper, 32, support stopper, 33, the location piece is followed to the appearance, 311, the convex part, 41, the marginal pressure subassembly, 42, middle pressure subassembly, 411, hydraulic pressure corner jar, 412, horizontal corner briquetting, 413, insert, 421, hydraulic cylinder, 422, vertical corner briquetting, 423, the connecting piece.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "horizontal", "vertical", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention, and do not indicate or imply that the referenced components or elements must have particular orientations, be constructed and operated in particular orientations, and thus, are not to be construed as limiting the present invention.
Referring to fig. 1 to 5, an embodiment of the present invention provides a chassis frame finishing turnover mechanism, which is suitable for a workpiece requiring four-side machining, and is particularly suitable for four-side machining of a chassis frame of a heavy truck.
This chassis support finish machining tilting mechanism includes: fixed plate 1, revolving stage subassembly 2, spacing subassembly 3 and compress tightly subassembly 4, fixed plate 1 is fixed in on the machining center workstation.
Preferably, the primary and secondary connecting bottom plates 23 are provided with cavities 231, and the shapes and positions of the cavities 231 match the requirements of the workpiece processing positions, so that the processing heads can process the workpieces conveniently through the cavities.
Preferably, the chassis support of the heavy truck needs to process a circular through hole on the upper and lower surfaces of the chassis support and six long holes on the side surfaces, so that the cavity and the processing limiting block 32 are both circular, the upper surface of the processing limiting block is provided with a convex part 311, the convex part is integrally arc-shaped, the inner diameter of the convex part is slightly larger than the inner diameter of the processing limiting block, and the profile of the lower surface of the circular through hole is embedded into the inner side of the convex part, so that the positioning is facilitated.
And the pressing assembly 4 is arranged on the turntable assembly 2 and is matched with the limiting assembly 3 to press a processed workpiece, and specifically, the pressing assembly 4 comprises an edge pressing assembly 41 and a middle pressing assembly 42.
The edge pressing assemblies 41 are arranged on two sides of the supporting limiting block 32, each edge pressing assembly 41 comprises a hydraulic corner cylinder 411 and a horizontal corner pressing block 412, a driving end of each hydraulic corner cylinder 411 is connected with one end of each horizontal corner pressing block 412, an insert 413 is arranged below the other end of each horizontal corner pressing block 412, and after a workpiece is placed on the limiting block, the hydraulic corner cylinders drive the horizontal corner pressing blocks to rotate until the workpiece is inserted to be aligned with the position of the supporting limiting block, and the workpiece is clamped by the inserted and supporting limiting blocks through pressing the horizontal corner pressing blocks.
Preferably, the lower surface of the insert 413 is also of a concavo-convex striated design for increased roughness.
The middle pressing assembly 42 is arranged on two sides of the processing limiting block 31, the middle pressing assembly 42 comprises a hydraulic oil cylinder 421 and a vertical corner pressing block 422, the driving end of the hydraulic oil cylinder 421 is connected with one end of the vertical corner pressing block 422, the middle part of the vertical corner pressing block 422 is connected with the hydraulic oil cylinder 421 through a connecting piece 423, and after the workpiece is placed on the limiting block, the hydraulic oil cylinder drives the vertical corner pressing block to rotate until the end part of the vertical corner pressing block presses the workpiece.
Preferably, the upper surface of the hydraulic cylinder is fixed with a connecting block 424, the upper end of the connecting piece 423 is movably connected with the vertical corner pressing block 422, the lower end of the connecting piece 423 is movably connected with the connecting block 424, the movable space of the vertical corner pressing block is limited by the connecting piece, and the connecting piece is used as a fulcrum when a workpiece is pressed.
Specifically, the limiting assembly 3 further comprises a shape copying positioning block 33, the shape copying positioning block 33 is arranged between the middle pressing assembly 42 and the edge pressing assembly 41, and the position of the workpiece is further positioned through the shape copying positioning block.
Specifically, the hydraulic corner cylinder 411 and the hydraulic oil cylinder 421 are controlled by a special hydraulic station, and the special hydraulic station is jointly controlled with the machining center.
The embodiment of the invention also provides a four-side processing method for applying the chassis support finish machining turnover mechanism, which comprises the following steps of:
s1, providing a workpiece 5 to be processed and a three-axis processing center provided with the chassis support finish machining turnover mechanism;
s2, placing the workpiece 5 to be machined on the limiting assembly 3, and compacting the workpiece by the compacting assembly 4;
s3, the triaxial machining center carries out reference calibration through the edge finder;
s4, processing the upper surface and the side surface of the workpiece 5 by the upper processing head and the side processing head of the three-axis processing center;
s5, after the first processing, the turntable assembly 2 automatically turns over, and the upper processing head and the side processing head process the lower surface and the other side surface of the workpiece 5;
and S6, after the four sides are processed, the turntable assembly 2 restores to the initial position, the deposit assembly resets, and the workpiece is replaced.
The invention discloses a chassis support finish machining turnover mechanism and a four-side machining method using the same, which have the beneficial effects that:
1. the 360-degree turnover is realized by the turntable assembly, the angle of the workpiece can be adjusted, the machining surface of the turntable assembly is matched with the working direction of the machining mechanism, and different machining requirements of planes, curved surfaces, long holes and the like are met.
2. The cavity is designed on the bottom plate and is matched with the processing position of the lower surface of the workpiece, conditions are created for secondary processing after overturning, and the limiting assembly is further designed and is matched with the lower surface of the workpiece and the side surface of the workpiece, so that the workpiece is convenient to position.
3. The pressing assembly is designed on the bottom plate and matched with the limiting assembly to press the workpiece, so that the workpiece is stable in position in the processing and overturning processes.
4. In detail, a horizontal corner pressing block and a vertical corner pressing block are designed, and are controlled to rotate in the horizontal direction and the vertical direction respectively through an oil cylinder, so that automatic clamping and replacement of workpieces are facilitated.
5. In detail, the roughness is increased through the design of the concave-convex stripes on the upper surface of the supporting limiting block and the lower surface of the insert, so that the workpiece can be clamped between the supporting limiting block and the insert more stably.
6. Compared with the prior art, through using this tilting mechanism, realized the function of a clamping multiaspect processing, applicable in two-sided, trilateral, four sides processing demand, improved machining efficiency and precision, simultaneously, through improving the three-axis machine tool, make it have the four-axis function, both can satisfy the precision of carrying out the four sides processing to chassis support, can practice thrift cost, facilitate promotion again.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a finish machining tilting mechanism of chassis support which characterized in that includes:
the fixing plate is fixed on the machining center workbench;
the rotary table component is arranged on the fixed plate and used for driving the workpiece to rotate;
the limiting assembly is arranged on the rotary table assembly, is matched with the profile of the workpiece and is used for placing the workpiece to be machined;
the compressing assembly is arranged on the rotary table assembly and is matched with the limiting assembly to compress a processed workpiece;
the rotary table assembly comprises a main servo rotary table, an auxiliary rotary table and a main and auxiliary connecting bottom plate, the main servo rotary table can turn over by 360 degrees through servo control, the main servo rotary table and the auxiliary rotary table are fixedly connected through the main and auxiliary connecting bottom plate, and a cavity is formed in the main and auxiliary connecting bottom plate.
2. The chassis support finish machining turnover mechanism of claim 1, wherein the main servo turntable and the auxiliary turntable are both connected to the fixed plate through mounting blocks.
3. The chassis support finish machining turnover mechanism according to claim 1, wherein the limiting assembly comprises a machining limiting block and a supporting limiting block, the machining limiting block is hollow, the shape and the position of the machining limiting block are matched with those of the cavity, and the supporting limiting block is arranged on two sides of the machining limiting block.
4. The chassis support finish machining turnover mechanism of claim 3, wherein the machining limiting block is a circular limiting block, and a convex portion is arranged on the upper surface of the machining limiting block.
5. The chassis support finish machining turnover mechanism of claim 3, wherein the upper surface of the support limiting block is designed to be concave-convex stripes.
6. The chassis support finish machining turnover mechanism according to claim 3, wherein the compression assemblies comprise edge compression assemblies and middle compression assemblies, the edge compression assemblies are arranged on two sides of the support limiting block, and the middle compression assemblies are arranged on two sides of the machining limiting block.
7. The chassis support finish machining turnover mechanism according to claim 6, wherein the edge pressing assembly comprises a hydraulic corner cylinder and a horizontal corner pressing block, a driving end of the hydraulic corner cylinder is connected with one end of the horizontal corner pressing block, and an insert is arranged below the other end of the horizontal corner pressing block.
8. The chassis support finish machining turnover mechanism of claim 6, wherein the intermediate pressing assembly comprises a hydraulic oil cylinder and a vertical corner pressing block, a driving end of the hydraulic oil cylinder is connected with one end of the vertical corner pressing block, and the middle part of the vertical corner pressing block is connected with the hydraulic oil cylinder through a connecting piece.
9. The chassis support finishing and flipping mechanism of claim 6, wherein the limiting assembly further comprises a contour locating block disposed between the middle hold-down assembly and the edge hold-down assembly.
10. A four-side processing method applying a chassis support finish machining turnover mechanism is characterized by comprising the following steps:
s1, providing a workpiece to be processed and a three-axis processing center provided with the chassis support finish machining turnover mechanism;
s2, placing the workpiece to be processed on the limiting assembly, and compacting the workpiece by the compacting assembly;
s3, the triaxial machining center carries out reference calibration through the edge finder;
s4, processing the upper surface and the side surface of the workpiece by the upper processing head and the side processing head of the three-axis processing center;
s5, after the first processing, the turntable assembly automatically turns over, and the upper processing head and the side processing head process the lower surface and the other side surface of the workpiece;
and S6, after the four sides are machined, the turntable assembly restores to the initial position and the workpiece is replaced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110331640.0A CN115122143A (en) | 2021-03-29 | 2021-03-29 | Chassis bracket finish machining turnover mechanism and four-side machining method applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110331640.0A CN115122143A (en) | 2021-03-29 | 2021-03-29 | Chassis bracket finish machining turnover mechanism and four-side machining method applying same |
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| CN115122143A true CN115122143A (en) | 2022-09-30 |
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| CN202110331640.0A Pending CN115122143A (en) | 2021-03-29 | 2021-03-29 | Chassis bracket finish machining turnover mechanism and four-side machining method applying same |
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| CN (1) | CN115122143A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116511957A (en) * | 2023-06-29 | 2023-08-01 | 宜宾职业技术学院 | Bevel shell clamp structure and machining method based on clamp structure |
| CN116604376A (en) * | 2023-05-24 | 2023-08-18 | 东莞市信迪机械工具有限公司 | Frock upset anchor clamps and processing equipment |
| CN117400019A (en) * | 2023-11-14 | 2024-01-16 | 芜湖中铁科吉富轨道有限公司 | Tram switch low abrasion switch rail milling equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116604376A (en) * | 2023-05-24 | 2023-08-18 | 东莞市信迪机械工具有限公司 | Frock upset anchor clamps and processing equipment |
| CN116511957A (en) * | 2023-06-29 | 2023-08-01 | 宜宾职业技术学院 | Bevel shell clamp structure and machining method based on clamp structure |
| CN116511957B (en) * | 2023-06-29 | 2023-09-12 | 宜宾职业技术学院 | Bevel shell clamp structure and machining method based on clamp structure |
| CN117400019A (en) * | 2023-11-14 | 2024-01-16 | 芜湖中铁科吉富轨道有限公司 | Tram switch low abrasion switch rail milling equipment |
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