CN110370164B - Three-expansion honing head for honing machine - Google Patents
Three-expansion honing head for honing machine Download PDFInfo
- Publication number
- CN110370164B CN110370164B CN201910802953.2A CN201910802953A CN110370164B CN 110370164 B CN110370164 B CN 110370164B CN 201910802953 A CN201910802953 A CN 201910802953A CN 110370164 B CN110370164 B CN 110370164B
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- expansion
- rod
- sand
- seat
- core
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- 239000004576 sand Substances 0.000 claims abstract description 71
- 238000002955 isolation Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B33/00—Honing machines or devices; Accessories therefor
- B24B33/08—Honing tools
- B24B33/083—Honing tools with different sets of honing stones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B33/00—Honing machines or devices; Accessories therefor
- B24B33/10—Accessories
- B24B33/105—Honing spindles; Devices for expanding the honing elements
Abstract
The invention belongs to the technical field of honing machines, and particularly relates to a three-expansion honing head for a honing machine, which comprises a body, wherein an outer expansion rod is arranged in the body, and an inner expansion rod is sleeved in the outer expansion rod; the outer expansion rod is coaxially and fixedly provided with a first expansion core and a second expansion core; the outer part of the outer expansion rod is coaxially sleeved with an expansion sleeve, and the inner expansion rod is connected with the expansion sleeve; the two ends of the expansion sleeve are provided with a third expansion core and a fourth expansion core; the bottom of the body is provided with a bottom cover, and the lower ends of the outer expansion rod and the inner expansion rod are provided with a large spring and a small spring; the body is provided with a sand strip seat A, a sand strip seat B and a sand strip seat C in a matching way, the two ends of the sand strip seat A and the sand strip seat B are sleeved with a first tension spring, and the two ends of the sand strip seat C are sleeved with a second tension spring; the three-expansion honing head for the honing machine can finish three grinding processes of fine grinding, rough grinding and fine grinding on the same machine in the same working procedure at one time.
Description
Technical Field
The invention belongs to the technical field of honing machines, and particularly relates to a three-expansion honing head for a honing machine.
Background
Honing (also called boring and grinding) is a finishing process of finishing surfaces of iron castings, steel pieces, etc. with an oilstone (also called honing stick) embedded in a honing head. Honing machines are grinding machines for honing finished surfaces of workpieces by utilizing honing heads, and are mainly used for honing workpiece holes in manufacturing industries such as automobiles, tractors, hydraulic parts, bearings, aviation and the like. One end of the honing head is connected with a main shaft connector of the machine tool, the rod part is embedded or connected with the honing oil stone, the honing oil stone is driven to radially expand under the action of a feeding structure of the machine tool, so that the cutting feeding of honing is realized, the workpiece hole obtains the required size precision, shape precision and surface roughness, and the structural form and rationality of the honing head have great influence on the processing quality and the productivity; at present, most of honing heads on the market are single-expansion and double-expansion, one working procedure is performed at most for one rough grinding and one fine grinding, and honing equipment is needed to be added when the fine grinding working procedure is added, so that the processing cost is greatly increased.
Disclosure of Invention
Aiming at the situation, the invention provides the three-expansion honing head for the honing machine, which has the advantages of compact structure and low failure rate, and finish three grinding of fine grinding, rough grinding and fine grinding on the same machine in the same procedure.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the three-expansion honing head for the honing machine comprises a body, wherein an outer expansion rod is coaxially arranged in the body, and an inner expansion rod is coaxially sleeved in the outer expansion rod; the outer expansion rod is coaxially and fixedly provided with a first shuttle-shaped expansion core and a second expansion core; long holes are symmetrically formed in the side wall of the middle of the outer expansion rod, an expansion sleeve is coaxially sleeved outside the outer expansion rod, and the inner expansion rod is connected with the expansion sleeve through a key block penetrating through the long holes; two ends of the expansion sleeve are respectively provided with a conical third expansion core and a conical fourth expansion core, and the third expansion core and the fourth expansion core are positioned between the first expansion core and the second expansion core; the bottom of the body is provided with a bottom cover, the upper ends of the outer expansion rod and the inner expansion rod extend out from the top of the body, the lower ends of the outer expansion rod and the inner expansion rod are respectively isolated from the bottom cover through a big spring and a small spring coaxially sleeved, and the length of the outer expansion rod is longer than that of the inner expansion rod; the sand strip seat is characterized in that a collapsible sand strip seat A and a sand strip seat B corresponding to the outer expansion rod are arranged on the body in a matched manner, a collapsible sand strip seat C corresponding to the inner expansion rod is also arranged on the body in a matched manner, a first expansion table and a second expansion table are respectively arranged on the inner side of the sand strip seat A corresponding to the lower inclined surfaces of the first expansion core and the second expansion core, a third expansion table and a fourth expansion table are respectively arranged on the inner side of the sand strip seat B corresponding to the upper inclined surfaces of the first expansion core and the second expansion core, a fifth expansion table and a sixth expansion table are respectively arranged on the inner side of the sand strip seat C corresponding to the lower inclined surfaces of the third expansion core and the fourth expansion core, a first tension spring is sleeved at two ends of the sand strip seat A and the sand strip seat B, and a second tension spring is sleeved at two ends of the sand strip seat C; and sanding strips are arranged in the sanding strip seat A, the sanding strip seat B and the sanding strip seat C in a matched mode.
As a preferable scheme, the sand strip seat A, the sand strip seat B and the sand strip seat C are respectively matched and provided with a sand strip A, a sand strip B and a sand strip C; according to the process requirement, the installation sequence of the rough grinding sand bars and the fine grinding sand bars can be automatically adjusted.
As a preferable scheme, an isolation guard plate is arranged between two adjacent sanding bars on the body; the method mainly plays a role in measuring the aperture size of the workpiece on line, and simultaneously has the function of assisting in protecting the workpiece.
As a preferable scheme, the inner sides of the first tension spring and the second tension spring are provided with positioning grooves in a matched mode; preventing the tension spring from falling off or shifting, and increasing the stability of the tension spring.
As a preferable scheme, the top end of the outer expansion rod is provided with an external thread which is used for being matched with the main shaft of the honing machine.
As a preferable scheme, the middle part of the bottom cover is provided with a positioning seat of the big spring, and the bottom of the big spring is sleeved on the positioning seat to prevent the spring from shifting or bending; the positioning bolts of the small springs are coaxially arranged in the positioning seats, the bottoms of the small springs are sleeved on the positioning bolts, the springs are prevented from shifting or bending, and the movement between the large springs and the small springs is ensured not to interfere with each other; oil overflow holes are also formed in the two sides of the positioning seat on the bottom cover; when the expansion cores move up and down, the oil in the three-expansion honing head is discharged, and the three-expansion honing head has the function of breathing air.
The invention also comprises other components which can enable the honing machine to be used normally by the three-expansion honing head, which are conventional technical means in the field, and in addition, the undefined device or components in the invention are arranged in the conventional way in the field.
The working principle of the invention is as follows:
after the three-expansion honing head and the honing machine double-feed main shaft are installed in a matched mode, the honing machine double-feed main shaft is fed into a workpiece hole, then rotation and reciprocating motion are started, according to technological requirements, a mandrel oil cylinder large piston of the honing machine double-feed main shaft drives the outer expansion rod to move downwards beyond an original point, the first expansion core and the second expansion core are pressed downwards along with the outer expansion of the first expansion table and the second expansion table, and further the sand strip seat A and the sand strip A are driven to expand outwards, and the sand strip A contacts the workpiece hole to start grinding; when reaching the preset grinding time or the system detects that the aperture size of the workpiece reaches the set size, finishing the first finish grinding operation, enabling a large piston of a mandrel cylinder of a honing machine feeding main shaft to move upwards beyond an original point, retracting a sand bar seat A under the action of a first tension spring, resetting the sand bar A along with the large piston, leaving the inner wall of the workpiece hole, lifting an outer expansion rod upwards under the action of the large spring, pushing the first expansion core and the second expansion core to push the third expansion table and the fourth expansion table to expand along with the outer expansion core, further driving the sand bar seat B and the sand bar B to expand outwards, enabling the sand bar B to contact the workpiece hole to start grinding, enabling the large piston of the mandrel cylinder of the honing machine feeding main shaft to be pressed back to the original point after finishing the second finish rough grinding operation, retracting the sand bar seat B under the action of the first tension spring, resetting the sand bar B along with the inner wall of the workpiece hole, and leaving the inner wall of the workpiece hole; simultaneously, the small piston of the mandrel cylinder of the honing machine feeding main shaft moves downwards, the inner expansion rod and the expansion sleeve are driven to move downwards, the third expansion core and the fourth expansion core are pushed to be pressed downwards, the sand bar seat C and the sand bar C are driven to expand outwards, the sand bar C is in contact with a workpiece hole to start grinding, after the third fine grinding work is finished, the small piston of the mandrel cylinder of the honing machine feeding main shaft is reset, the sand bar seat C is retracted under the action of the second tension spring, the sand bar C is reset along with the small piston and leaves the inner wall of the workpiece hole, finally, the honing machine double-feeding main shaft and the three expansion honing heads are separated from the workpiece hole, and finally, the fine grinding, coarse grinding and fine grinding are completed.
The beneficial effects of the invention are as follows:
the three-expansion honing head for the honing machine has a compact structure, and is finished in one step by grinding in three ways of fine grinding, rough grinding and fine grinding on the same machine in the same working procedure, thereby improving the qualification rate of reticulate pattern parameters of the inner hole and the cylindricity of the inner hole, simultaneously saving the quantity of equipment and operation steps required by honing, having low failure rate, greatly saving the processing cost and improving the production efficiency.
Drawings
Fig. 1 is a cross-sectional view of the embodiment of fig. 4 taken along line A-A.
Fig. 2 is a cross-sectional view of the embodiment of fig. 4 taken along line B-B.
Fig. 3 is a cross-sectional view of the embodiment of fig. 4 along line C-C.
Fig. 4 is a cross-sectional view of the embodiment of fig. 3 taken along line D-D.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments.
Examples
As shown in fig. 1-4, a three-expansion honing head for a honing machine comprises a body 1, wherein an outer expansion rod 2 is coaxially arranged in the body 1, and an inner expansion rod 3 is coaxially sleeved in the outer expansion rod 2; the outer expansion rod 2 is coaxially and fixedly provided with a first shuttle-shaped expansion core 4 and a second expansion core 5; a long hole 6 is symmetrically formed in the side wall of the middle part of the outer expansion rod 2, an expansion sleeve 7 is coaxially sleeved outside the outer expansion rod 2, and the inner expansion rod 3 is connected with the expansion sleeve 7 through a key block 8 penetrating through the long hole 6; the two ends of the expansion sleeve 7 are respectively provided with a conical third expansion core 9 and a conical fourth expansion core 10, and the third expansion core 9 and the fourth expansion core 10 are positioned between the first expansion core 4 and the second expansion core 5; the bottom of the body 1 is provided with a bottom cover 11, the upper ends of the outer expansion rod 2 and the inner expansion rod 3 extend out from the top of the body 1, the lower ends of the outer expansion rod 2 and the inner expansion rod 3 are respectively isolated from the bottom cover 11 through a big spring 12 and a small spring 13 coaxially sleeved, and the length of the outer expansion rod 2 is longer than that of the inner expansion rod 3; the body 1 is provided with a collapsible sand strip seat A14 and a sand strip seat B15 which correspond to the outer expansion rod 2 in a matched manner, the body 1 is also provided with a collapsible sand strip seat C16 which corresponds to the inner expansion rod 3 in a matched manner, the inner sides of the sand strip seat A14 correspond to the lower inclined surfaces of the first expansion core 4 and the second expansion core 5 respectively provided with a first expansion table 17 and a second expansion table 18, the inner sides of the sand strip seat B15 correspond to the upper inclined surfaces of the first expansion core 4 and the second expansion core 5 respectively provided with a third expansion table 19 and a fourth expansion table 20, the inner sides of the sand strip seat C16 correspond to the lower inclined surfaces of the third expansion core 9 and the fourth expansion core 10 respectively provided with a fifth expansion table 21 and a sixth expansion table 22, two ends of the sand strip seat A14 and the sand strip seat B15 are sleeved with a first tension spring 23, and two ends of the sand strip seat C16 are sleeved with a second tension spring 24; and sanding strips are arranged in the sanding strip seat A14, the sanding strip seat B15 and the sanding strip seat C16 in a matched mode.
And the fine grinding sand bars A25, the rough grinding sand bars B26 and the fine grinding sand bars C27 are respectively matched and installed on the sand bar seat A14, the sand bar seat B15 and the sand bar seat C16.
An isolation guard plate is arranged between two adjacent sanding bars on the body 1, and is used for measuring the aperture size of a workpiece on line and assisting in protecting the workpiece.
The inner sides of the first tension spring 23 and the second tension spring 24 are provided with positioning grooves in a matching mode, the tension springs are prevented from being separated or shifted, and stability of the tension springs is improved.
The top end of the outer expansion rod 2 is provided with external threads which are used for being matched with the main shaft of the honing machine.
The middle part of the bottom cover 11 is provided with a positioning seat 28 of the big spring 12, the positioning seat 28 is internally and coaxially provided with a positioning bolt 29 of the small spring 13, and two sides of the positioning seat 28 on the bottom cover 11 are also provided with oil overflow holes 30.
The above description of embodiments of the invention is illustrative, not exhaustive, and not limited to the embodiments disclosed, and many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.
Claims (4)
1. The utility model provides a honing machine is with three honing heads that rise, includes body (1), its characterized in that: an outer expansion rod (2) is coaxially arranged in the body (1), and an inner expansion rod (3) is coaxially sleeved in the outer expansion rod (2); the outer expansion rod (2) is coaxially and fixedly provided with a first shuttle-shaped expansion core (4) and a second expansion core (5); a long hole (6) is symmetrically formed in the side wall of the middle part of the outer expansion rod (2), an expansion sleeve (7) is coaxially sleeved outside the outer expansion rod (2), and the inner expansion rod (3) is connected with the expansion sleeve (7) through a key block (8) penetrating through the long hole (6); two ends of the expansion sleeve (7) are respectively provided with a conical third expansion core (9) and a conical fourth expansion core (10), and the third expansion core (9) and the fourth expansion core (10) are positioned between the first expansion core (4) and the second expansion core (5); the bottom of the body (1) is provided with a bottom cover (11), the upper ends of the outer expansion rod (2) and the inner expansion rod (3) extend out from the top of the body (1), the lower ends of the outer expansion rod (2) and the inner expansion rod (3) are respectively isolated from the bottom cover (11) through a big spring (12) and a small spring (13) which are coaxially sleeved, and the length of the outer expansion rod (2) is larger than that of the inner expansion rod (3); the sand rod device comprises a body (1), wherein a collapsible sand rod seat A (14) and a sand rod seat B (15) corresponding to an outer expansion rod (2) are arranged on the body (1) in a matched mode, a collapsible sand rod seat C (16) corresponding to an inner expansion rod (3) is also arranged on the body (1), the inner sides of the sand rod seat A (14) correspond to a first expansion core (4) and a second expansion core (5) respectively, a first expansion table (17) and a second expansion table (18) are arranged on the lower inclined surfaces of the sand rod seat A (14) respectively, the inner sides of the sand rod seat B (15) correspond to the upper inclined surfaces of the first expansion core (4) and the second expansion core (5) respectively, a third expansion table (19) and a fourth expansion table (20) are arranged on the inner sides of the sand rod seat C (16) respectively, a fifth expansion table (21) and a sixth expansion table (22) are arranged on the lower inclined surfaces of the third expansion core (9) and the fourth expansion core (10) respectively, tension springs are arranged on the inner sides of the sand rod seat C (16) and the lower inclined surfaces of the sand rod seat A (14) respectively, and two tension springs (24) are arranged at two ends of the sand rod seat C (15); sanding strips are arranged in the sanding strip seat A (14), the sanding strip seat B (15) and the sanding strip seat C (16) in a matched mode; an isolation guard board is arranged between two adjacent sanding bars on the body (1); the middle part of the bottom cover (11) is provided with a positioning seat (28) of the big spring (12), the positioning seat (28) is internally and coaxially provided with a positioning bolt (29) of the small spring (13), and two sides of the positioning seat (28) on the bottom cover (11) are also provided with oil overflow holes (30).
2. A triple-expansion honing head for honing machine according to claim 1, characterized by: the sand strip seat A (14), the sand strip seat B (15) and the sand strip seat C (16) are respectively matched and provided with a sand strip A (25), a sand strip B (26) and a sand strip C (27).
3. A triple-expansion honing head for honing machine according to claim 1, characterized by: the inner sides of the first tension spring (23) and the second tension spring (24) are provided with positioning grooves in a matching mode.
4. A triple-expansion honing head for honing machine according to claim 1, characterized by: the top end of the outer expansion rod (2) is provided with an external thread which is used for being matched with the main shaft of the honing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910802953.2A CN110370164B (en) | 2019-08-28 | 2019-08-28 | Three-expansion honing head for honing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910802953.2A CN110370164B (en) | 2019-08-28 | 2019-08-28 | Three-expansion honing head for honing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110370164A CN110370164A (en) | 2019-10-25 |
| CN110370164B true CN110370164B (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910802953.2A Active CN110370164B (en) | 2019-08-28 | 2019-08-28 | Three-expansion honing head for honing machine |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111168560B (en) * | 2020-01-14 | 2020-11-27 | 新昌县籍服机械有限公司 | Honing head capable of locking oilstone fast |
| CN113547397B (en) * | 2021-06-16 | 2022-10-04 | 上海中船三井造船柴油机有限公司 | Grinding method and tool for improving roughness of deep hole of connecting rod of large diesel engine |
| CN114310648B (en) * | 2022-01-10 | 2022-11-22 | 常州凯瑞莱精密工具有限公司 | Multi-stage adjustable reaming and honing tool |
| CN114559363A (en) * | 2022-01-28 | 2022-05-31 | 宁夏银川大河数控机床有限公司 | Polishing honing head |
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| JPS5394385U (en) * | 1976-12-29 | 1978-08-01 | ||
| US4434588A (en) * | 1980-09-10 | 1984-03-06 | Honda Giken Kogyo Kabushiki Kaisha | Honing head for high-speed operation |
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| CN201261161Y (en) * | 2008-10-05 | 2009-06-24 | 韦星野 | Cylinder part inner hole double-feed honing head |
| CN201342613Y (en) * | 2009-01-06 | 2009-11-11 | 上海鸿宁精密机械有限公司 | A one piece honing head |
| CN101758452A (en) * | 2008-12-26 | 2010-06-30 | 上海鸿宁精密机械有限公司 | Integrative honing head |
| CN201998042U (en) * | 2011-03-21 | 2011-10-05 | 文立达 | Air cylinder-honing head |
| CN205465653U (en) * | 2015-12-31 | 2016-08-17 | 郑州大地机械制造有限公司 | Honing machine is with formula honing head made of baked clay |
| CN205915183U (en) * | 2016-04-27 | 2017-02-01 | 昆山昆江数控机床有限公司 | Double -feeding honing head |
| CN109909866A (en) * | 2019-04-23 | 2019-06-21 | 中原内配集团智能装备有限公司 | A kind of hexagonal honing head |
| CN210499740U (en) * | 2019-08-28 | 2020-05-12 | 中原内配集团鼎锐科技有限公司 | Three-expansion honing head for honing machine |
-
2019
- 2019-08-28 CN CN201910802953.2A patent/CN110370164B/en active Active
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|---|---|---|---|---|
| JPS5394385U (en) * | 1976-12-29 | 1978-08-01 | ||
| US4434588A (en) * | 1980-09-10 | 1984-03-06 | Honda Giken Kogyo Kabushiki Kaisha | Honing head for high-speed operation |
| JPS6328559A (en) * | 1986-07-16 | 1988-02-06 | Hamano Tekko Kk | Hone head |
| JPH02269573A (en) * | 1989-04-12 | 1990-11-02 | Nissan Motor Co Ltd | Honing stick |
| JPH08155823A (en) * | 1994-12-02 | 1996-06-18 | Nissan Motor Co Ltd | Honing device and honing method |
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| CN201261161Y (en) * | 2008-10-05 | 2009-06-24 | 韦星野 | Cylinder part inner hole double-feed honing head |
| CN101758452A (en) * | 2008-12-26 | 2010-06-30 | 上海鸿宁精密机械有限公司 | Integrative honing head |
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| CN109909866A (en) * | 2019-04-23 | 2019-06-21 | 中原内配集团智能装备有限公司 | A kind of hexagonal honing head |
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| CN110370164A (en) | 2019-10-25 |
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