CN112621315A - Positioning tool for finely boring large and small connecting rod holes - Google Patents
Positioning tool for finely boring large and small connecting rod holes Download PDFInfo
- Publication number
- CN112621315A CN112621315A CN202011457785.7A CN202011457785A CN112621315A CN 112621315 A CN112621315 A CN 112621315A CN 202011457785 A CN202011457785 A CN 202011457785A CN 112621315 A CN112621315 A CN 112621315A
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- Prior art keywords
- connecting rod
- positioning
- clamping
- small
- pressing plate
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Links
- 238000003754 machining Methods 0.000 claims abstract description 9
- 239000000758 substrate Substances 0.000 claims description 7
- 208000004141 microcephaly Diseases 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- B23Q3/061—Work-clamping means adapted for holding a plurality of workpieces
-
- 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
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a positioning tool for finely boring large and small connecting rod holes, which comprises a hydraulic cylinder and a pair of positioning base plates which are oppositely arranged, wherein a support is arranged below each positioning base plate, the hydraulic cylinder is arranged between the supports of the pair of positioning base plates, each positioning base plate is provided with a connecting rod small-end positioning column for positioning a small end of a connecting rod and a group of clamping structures for clamping the side surfaces of the connecting rod, and the top end of a piston rod of the hydraulic cylinder is provided with a pressing plate for pressing the large end of each connecting rod on the two positioning base plates. The positioning tool for the large and small connecting rod holes of the fine boring machine is reasonable in structural design, the two connecting rods can be positioned simultaneously through the rotary pressing plate, the positioning operation is simple and convenient to drive through the hydraulic cylinder, and the machining efficiency is greatly improved.
Description
Technical Field
The invention relates to the technical field of connecting rod machining, in particular to a positioning tool for finely boring large and small connecting rod holes.
Background
The existing automobile connecting rod processing does not have a special positioning tool, the automobile connecting rod is positioned by combining a plurality of positioning structures, a positioning fastener needs to be screwed manually, the operation is complicated, and the processing efficiency is low; generally, only one connecting rod can be positioned, two or more connecting rods cannot be positioned at the same time, and the machining efficiency is high.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a positioning tool for finely boring large and small connecting rod holes, which can be used for positioning two connecting rods simultaneously and improving the machining efficiency.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
this location frock of big or small connecting rod hole of finish boring, including pneumatic cylinder and a pair of location base plate of relative setting, location base plate below is equipped with the support, the pneumatic cylinder is established between a pair of location base plate's support, is equipped with the connecting rod microcephaly reference column that is used for fixing a position the connecting rod microcephaly end and a set of tight structure that presss from both sides tight connecting rod side that is used for on every location base plate, the piston rod top of pneumatic cylinder is equipped with the clamp plate that is used for compressing tightly the major part end of two connecting rods on.
Furthermore, the pressing plate is a rotary pressing plate, and the rotary pressing plate is rotatably arranged at the top end of a piston rod of the hydraulic cylinder.
The positioning substrate is provided with a connecting rod big-head positioning column, and the connecting rod big-head positioning column is matched with the edge of the connecting rod big-head hole.
The clamping structure on each positioning base plate comprises two pairs of clamping cylinders, one pair of clamping cylinders are arranged opposite to the connecting rod small-head positioning columns, and the other pair of clamping cylinders are arranged opposite to the connecting rod large-head positioning columns.
And the end part of the rotary pressing plate is provided with an arc-shaped groove for avoiding a large-head hole machining space.
The piston rod is sleeved with a pressure spring, the pressure spring is a spiral spring, and the pressure spring is located between a cylinder body of the hydraulic cylinder and the rotary pressing plate.
Two clamping cylinders of the pair of clamping cylinders are oppositely arranged on two sides of the positioning column, a clamping side plate is arranged on the inner side of each clamping cylinder, two piston rods are arranged on the inner side of each clamping cylinder, and the clamping side plates are arranged at the end parts of the two piston rods.
And a clamping rubber block is arranged on the clamping side plate, and a profiling groove matched with the shape of the side face of the end part of the connecting rod is arranged on the clamping rubber block.
Compared with the prior art, the invention has the following advantages: the positioning tool for the large and small connecting rod holes of the fine boring machine is reasonable in structural design, the two connecting rods can be positioned simultaneously through the rotary pressing plate, the positioning operation is simple and convenient to drive through the hydraulic cylinder, and the machining efficiency is greatly improved.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
fig. 1 is a schematic view of the tool structure of the present invention.
FIG. 2 is a schematic plan view of a positioning plate on one side of the present invention.
FIG. 3 is a schematic view of a rotary platen according to the present invention.
In the figure:
1. the device comprises a positioning base plate, 2 connecting rod small-end positioning plates, 201 connecting rod small-end positioning columns, 3 connecting rod large-end positioning plates, 301 connecting rod large-end positioning columns, 4 hydraulic cylinders, 5 rotary pressing plates, 6 compression springs, 7 clamping cylinders, 701 clamping side plates and 702 clamping rubber blocks.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, the positioning tool for finely boring the large and small connecting rod holes comprises a hydraulic cylinder 4 and a pair of positioning base plates 1 which are oppositely arranged, wherein a support is arranged below each positioning base plate, the hydraulic cylinder is arranged between the supports of the pair of positioning base plates, each positioning base plate is provided with a connecting rod small-end positioning column 201 for positioning the small end of the connecting rod and a group of clamping structures for clamping the side surfaces of the connecting rod, and the top end of a piston rod of the hydraulic cylinder is provided with a pressing plate for pressing the large end of the two connecting rods on the two positioning base plates.
The two positioning substrates are supported and fixed through the support at the lower part, the working table surfaces of the two positioning substrates have certain height, a gap is formed between the two positioning substrates, and the hydraulic cylinder is arranged in the gap between the two positioning substrates, so that the structure is compact, the occupied space is small, and the arrangement below the cutter is convenient.
A connecting rod big end positioning column 301 is arranged on the positioning substrate and is matched with the edge of a connecting rod big end hole; the outer edge of the connecting rod big end positioning column can be matched with the hole in the connecting rod big end hole for direct positioning, or the connecting rod big end positioning column is provided with an annular groove matched with the outer edge of the connecting rod big end hole for positioning.
The connecting rod big end positioning column is arranged on the connecting rod big end positioning plate 3, the connecting rod big end positioning plate is fixed on the positioning base plate through the waist-shaped hole, the connecting rod small end positioning column is arranged on the connecting rod small end positioning plate 2, the connecting rod small end positioning plate is also fixed on the positioning base plate through the waist-shaped hole, and the distance between the two positioning columns of the connecting rod can be adjusted through the positioning plates to adapt to positioning of connecting rods with different sizes.
The pressing plate is a rotary pressing plate 5, the rotary pressing plate is rotatably arranged at the top end of a piston rod of the hydraulic cylinder, the connecting rod is placed on the positioning base plate, the end part of the rotary pressing plate is positioned above the large head end part of the connecting rod through the rotation of the rotary pressing plate, the rotary pressing plate is driven by the hydraulic cylinder to move downwards to press the large head end of the connecting rod, and the two connecting rods can be processed after the positioning is finished; after the processing is finished, the connecting rod can be taken down by rotating the pressing plate, and the operation is simple and convenient.
The tip of rotating pressing plate is equipped with the arc recess that is used for dodging major part hole process space, compresses tightly connecting rod major part end top, and the major part hole of connecting rod can not sheltered from to the clamp plate, can process the major part hole and the microcephaly hole of connecting rod simultaneously, and processing is high-efficient.
The piston rod is sleeved with a pressure spring 6, the pressure spring is a spiral spring, the pressure spring is located between a cylinder body of the hydraulic cylinder and the rotary pressing plate, the hydraulic cylinder does not work after machining is completed, the pressing plate is automatically jacked up through the compressed spring, the connecting rod can be taken down through the rotary pressing plate, and operation is simple and convenient.
The clamping structure on each positioning base plate comprises two pairs of clamping cylinders 7, one pair of clamping cylinders is arranged opposite to the connecting rod small-head positioning columns, and the other pair of clamping cylinders is arranged opposite to the connecting rod large-head positioning columns.
Two clamping cylinders of the pair of clamping cylinders are oppositely arranged at two sides of the positioning column, a clamping side plate 701 is arranged at the inner side of each clamping cylinder, two piston rods are arranged at the inner side of each clamping cylinder, and the clamping side plates are arranged at the end parts of the two piston rods.
The clamping side plate is provided with a clamping rubber block 702, the clamping rubber block is provided with a profiling groove matched with the shape of the side face of the end part of the connecting rod, and the positioning is stable and reliable.
The positioning tool for finely boring the large and small connecting rod holes is reasonable in structural design, the two connecting rods can be positioned at the same time through the rotary pressing plate, the positioning operation is simple and convenient through the driving of the hydraulic cylinder, and the machining efficiency is greatly improved.
The above-mentioned features are merely for describing preferred embodiments of the present invention and may be arbitrarily combined to form a plurality of embodiments of the present invention.
The invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the inventive concept and solution, or to apply the inventive concept and solution directly to other applications without modification.
Claims (8)
1. The utility model provides a positioning tool for big and small connecting rod holes of fine boring, which is characterized in that: the positioning base plate is provided with a support below, the hydraulic cylinder is arranged between the supports of the pair of positioning base plates, each positioning base plate is provided with a connecting rod small-end positioning column used for positioning a connecting rod small-end and a group of clamping structures used for clamping the side faces of the connecting rods, and the top end of a piston rod of the hydraulic cylinder is provided with a pressing plate used for pressing the large-end ends of the two connecting rods on the two positioning base plates.
2. The fine boring big and small connecting rod hole positioning tool as set forth in claim 1, characterized in that: the pressing plate is a rotary pressing plate, and the rotary pressing plate is rotatably arranged at the top end of a piston rod of the hydraulic cylinder.
3. The fine boring big and small connecting rod hole positioning tool as set forth in claim 1, characterized in that: the positioning substrate is provided with a connecting rod big-head positioning column, and the connecting rod big-head positioning column is matched with the edge of the connecting rod big-head hole.
4. The fine boring positioning tool for the large and small connecting rod holes as claimed in claim 3, wherein: the clamping structure on each positioning base plate comprises two pairs of clamping cylinders, one pair of clamping cylinders are arranged opposite to the connecting rod small-head positioning columns, and the other pair of clamping cylinders are arranged opposite to the connecting rod large-head positioning columns.
5. The fine boring positioning tool for the large and small connecting rod holes as claimed in claim 2, wherein: and the end part of the rotary pressing plate is provided with an arc-shaped groove for avoiding a large-head hole machining space.
6. The fine boring positioning tool for the large and small connecting rod holes as claimed in claim 2, wherein: the piston rod is sleeved with a pressure spring, the pressure spring is a spiral spring, and the pressure spring is located between a cylinder body of the hydraulic cylinder and the rotary pressing plate.
7. The fine boring big and small connecting rod hole positioning tool as set forth in claim 4, characterized in that: two clamping cylinders of the pair of clamping cylinders are oppositely arranged on two sides of the positioning column, a clamping side plate is arranged on the inner side of each clamping cylinder, two piston rods are arranged on the inner side of each clamping cylinder, and the clamping side plates are arranged at the end parts of the two piston rods.
8. The fine boring positioning tool for the large and small connecting rod holes as claimed in claim 7, wherein: and a clamping rubber block is arranged on the clamping side plate, and a profiling groove matched with the shape of the side face of the end part of the connecting rod is arranged on the clamping rubber block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011457785.7A CN112621315A (en) | 2020-12-10 | 2020-12-10 | Positioning tool for finely boring large and small connecting rod holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011457785.7A CN112621315A (en) | 2020-12-10 | 2020-12-10 | Positioning tool for finely boring large and small connecting rod holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112621315A true CN112621315A (en) | 2021-04-09 |
Family
ID=75310101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011457785.7A Pending CN112621315A (en) | 2020-12-10 | 2020-12-10 | Positioning tool for finely boring large and small connecting rod holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112621315A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104440286A (en) * | 2013-09-12 | 2015-03-25 | 西安志越机电科技有限公司 | Double-station connecting rod hole milling and pressing device and hydraulic system thereof |
| CN208729216U (en) * | 2018-06-30 | 2019-04-12 | 南宫市精强连杆有限公司 | A kind of big aperture mould of the coarse-fine boring of connecting rod |
| CN111168425A (en) * | 2020-02-27 | 2020-05-19 | 玉林市成鑫机械有限责任公司 | Clamp for machining inclined plane of small end of connecting rod |
| CN210790035U (en) * | 2019-10-23 | 2020-06-19 | 湖北神匠精密锻造有限公司 | Flexible quick-change clamp for drilling and boring large and small holes of connecting rod |
-
2020
- 2020-12-10 CN CN202011457785.7A patent/CN112621315A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104440286A (en) * | 2013-09-12 | 2015-03-25 | 西安志越机电科技有限公司 | Double-station connecting rod hole milling and pressing device and hydraulic system thereof |
| CN208729216U (en) * | 2018-06-30 | 2019-04-12 | 南宫市精强连杆有限公司 | A kind of big aperture mould of the coarse-fine boring of connecting rod |
| CN210790035U (en) * | 2019-10-23 | 2020-06-19 | 湖北神匠精密锻造有限公司 | Flexible quick-change clamp for drilling and boring large and small holes of connecting rod |
| CN111168425A (en) * | 2020-02-27 | 2020-05-19 | 玉林市成鑫机械有限责任公司 | Clamp for machining inclined plane of small end of connecting rod |
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