CN209850654U - Hexagonal honing head - Google Patents
Hexagonal honing head Download PDFInfo
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- CN209850654U CN209850654U CN201920553819.9U CN201920553819U CN209850654U CN 209850654 U CN209850654 U CN 209850654U CN 201920553819 U CN201920553819 U CN 201920553819U CN 209850654 U CN209850654 U CN 209850654U
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- honing
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- emery stick
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Abstract
The utility model discloses a hexagonal honing head, which comprises a honing head body, wherein a central hole is arranged in the honing head body, the honing head body is a regular hexagonal prism, six edges on the side surface of the honing head body are provided with guide strips, and a containing cavity communicated with the central hole is arranged between every two adjacent guide strips; the honing device also comprises a rough honing feeding mechanism, a fine honing feeding mechanism, a rough honing resetting mechanism and a fine honing resetting mechanism; the rough honing feeding mechanism comprises six rough honing emery stick seats, the six rough honing emery stick seats are respectively arranged in six accommodating cavities and are radially and slidably connected to the grinding head body, the fine honing feeding mechanism comprises six fine honing emery stick seats, and the six fine honing emery stick seats are respectively arranged in the six accommodating cavities and are radially and slidably connected to the grinding head body. The utility model discloses set up the appearance of bistrique body into the hexagon, the honing head reduces six gibs blocks, has increased the area of passing through of honing liquid, has improved and has erodeed, cleaning performance to can effectively avoid engine jar hole inner wall fish tail, reduce the rejection rate.
Description
Technical Field
The utility model relates to a honing process technical field especially relates to a hexagonal honing head.
Background
The honing head body of the existing honing head is cylindrical, as shown in figure 1, the clearance between the honing head body and the inner wall of the engine cylinder hole is only 2 ~ 2.5.5 mm, and the effective area of the honing liquid passing through is small due to the obstruction of the guide strip and the grinding sand strip, so that the scouring and cleaning effects are poor, the inner wall of the engine cylinder hole is often scratched, and the rejection rate is high.
SUMMERY OF THE UTILITY MODEL
In order to solve the prior technical problem, the utility model provides a hexagonal honing head.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a hexagonal honing head comprises a honing head body, wherein a central hole is formed in the honing head body, the honing head body is a regular hexagonal prism, guide strips are arranged at six edges of the side surface of the honing head body along the height direction of the honing head body, and an accommodating cavity communicated with the central hole is formed between every two adjacent guide strips; the honing device also comprises a rough honing feeding mechanism, a fine honing feeding mechanism, a rough honing resetting mechanism and a fine honing resetting mechanism; rough honing feed mechanism includes six rough honing emery stick seats, and six rough honing emery stick seats are located six respectively and are held in the chamber and radial sliding connection on the grinding head body, finish honing feed mechanism includes six finish honing emery stick seats, and six finish honing emery stick seats are located six respectively and are held in the chamber and radial sliding connection on the grinding head body, and rough honing emery stick seat and finish honing emery stick seat interval set up.
Further, the rough honing feeding mechanism comprises an outer expansion core rod, an outer push rod and a rough honing expansion core; the outer expanding core rod is arranged in the central hole, a through hole is formed in the outer expanding core rod, a key hole which is axially communicated with the through hole is formed in the peripheral surface of the outer expanding core rod, the outer push rod is connected with the upper end of the outer expanding core rod, the coarse honing expanding core is arranged on the outer side of the outer expanding core rod, the coarse honing emery stick seat is arranged on the outer side of the coarse honing expanding core and provided with a coarse honing lug, a coarse honing push surface is arranged on the coarse honing lug, and the coarse honing push surface is matched and contacted with the conical surface of the coarse honing expanding core.
Further, the fine honing feeding mechanism comprises an inner expanding core rod, an inner push rod and a fine honing expanding core; the inner expanding core rod is arranged in a through hole of the outer expanding core rod, the inner push rod is connected with the upper end of the inner expanding core rod, the fine honing expanding core is arranged on the outer side of the outer expanding core rod, a groove is formed in the upper end of the fine honing expanding core, a connecting key and a clamp spring are arranged in the groove, one end of the connecting key is connected with the fine honing expanding core, and the other end of the connecting key penetrates through the key hole and extends into the through hole to be connected with the inner expanding core rod; the fine honing emery stick seat is arranged on the outer side of the fine honing expanding core and is provided with a fine honing lug, a fine honing pushing surface is arranged on the fine honing lug, and the fine honing pushing surface is matched and contacted with the conical surface of the fine honing expanding core.
Further, the bottom of the grinding head body is provided with a bottom cover, and the bottom cover is a regular hexagon matched with the grinding head body.
Furthermore, thick honing canceling release mechanical system includes first spring, the first spring that expands, first spring one end is connected on outer expanding core bar and the other end is connected on the bottom cover, the outside of thick honing emery stick seat is located to the first spring that expands.
Further, the fine honing reset mechanism comprises a second spring and a second expansion and contraction spring, one end of the second spring is connected to the inner expansion core rod, the other end of the second spring is connected to the bottom cover, the second spring is sleeved in the first spring, and the second expansion and contraction spring is arranged on the outer side of the fine honing emery stick seat.
The utility model discloses a theory of operation does: the rough honing emery stick seat is provided with a rough honing emery stick, and the fine honing emery stick seat is provided with a fine honing emery stick. When the rough honing is needed, the outer push rod is pushed downwards, the outer push rod compresses the first spring to move downwards, the conical surface of the rough honing expansion core pushes the rough honing push surface on the rough honing emery stick seat contacted with the rough honing push surface outwards, so that the rough honing emery stick seat expands along the radial direction of the grinding head body, and the rough honing emery stick expands to contact with the processing surface of the cylinder hole of the engine and performs rough honing. After the rough honing process is finished, the outer push rod releases pressure to the outer expansion core rod, and the rough honing emery stick seat rapidly retracts to the initial position under the elastic force action of the first expansion and contraction spring and the first spring. When the finish honing is needed, the inner push rod is pushed downwards, the inner push rod compresses the second spring to move downwards, the conical surface of the finish honing expansion core pushes the finish honing push surface on the finish honing emery stick seat contacted with the conical surface outwards, so that the finish honing emery stick seat expands along the radial direction of the grinding head body, and the finish honing emery stick expands to be contacted with the processing surface of the cylinder hole of the engine and finish honing is carried out. After the finish honing process is finished, the inner push rod releases pressure to the inner expanding core rod, and the finish honing emery stick seat rapidly returns to the initial position under the action of the second expanding and contracting spring and the elastic force of the second spring. When carrying out the honing to engine cylinder hole, erode, wash the face of having processed with a large amount of honing liquid, because the utility model discloses well bistrique body cross-section outline is the hexagon, and the clearance between bistrique body and the engine cylinder hole inner wall increases greatly for prior art to the quantity of gib block has reduced six, and its separation effect to the honing liquid weakens greatly, thereby makes the area of passing through of honing liquid increase more than 2.5 times, and haplopore water flowing area has increased nearly 10 times, has reached better erodeing, cleaning performance.
The utility model discloses set up the appearance of bistrique body into regular hexagonal prism, the honing head reduces six gibs blocks, has increased the area of passing through of honing liquid, has improved and has erodeed, cleaning performance to can effectively avoid engine jar hole inner wall fish tail, reduce the rejection rate.
Drawings
Fig. 1 is a schematic view of a structure of a honing head in the related art.
Fig. 2 is a schematic structural view of the honing head of the present invention.
Fig. 3 is a longitudinal sectional view of the honing head of the present invention.
Figure 4 is the front view of the middle grinding head body of the utility model.
Figure 5 is the plan view of the middle grinding head body of the utility model.
Fig. 6 is a bottom view of the middle grinding head body of the present invention.
Figure 7 is a transverse section view of the middle grinding head body of the utility model.
Fig. 8 is a top view of the middle bottom cover of the present invention.
Fig. 9 is a longitudinal cross-sectional schematic view of the middle bottom cover of the present invention.
In the figure: the honing tool comprises a grinding head body 1, a center hole 2, a guide strip 3, an outer expansion core rod 4, an outer push rod 5, a coarse honing expansion core 6, a coarse honing emery stick seat 7, a through hole 8, a keyhole 9, a coarse honing lug 10, a coarse honing push surface 11, an inner expansion core rod 12, an inner push rod 13, a fine honing expansion core 14, a fine honing emery stick seat 15, a groove 16, a connecting key 17, a snap spring 18, a fine honing lug 19, a fine honing push surface 20, a bottom cover 21, a fixing hole 22, a first spring 23, a first expansion and contraction spring 24, a second spring 25, a second expansion and contraction spring 26, an inner wall of an engine cylinder hole 27, a coarse honing emery stick 28 and a fine honing emery stick 29.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings.
Referring to fig. 2-9, a hexagonal honing head comprises a head body 1, a rough honing feed mechanism, a fine honing feed mechanism, a rough honing reset mechanism, and a fine honing reset mechanism. The grinding head is characterized in that a central hole 2 is formed in the grinding head body 1, the grinding head body 1 is a regular hexagonal prism, guide strips 3 are arranged at six edges of the side surface of the grinding head body 1 along the height direction of the grinding head body, and an accommodating cavity communicated with the central hole 2 is formed between every two adjacent guide strips 3.
The rough honing feed mechanism comprises an outer expansion core rod 4, an outer expansion rod 5, a rough honing expansion core 6 and six rough honing emery stick seats 7. The outer expansion core rod 4 is arranged in the central hole 2, a through hole 8 is arranged in the outer expansion core rod 4, and a key hole 9 which is axial and communicated with the through hole 8 is arranged on the peripheral surface of the outer expansion core rod 4. The outer push rod 5 is connected with the upper end of the outer expanding core rod 4, the rough honing expanding core 6 is arranged on the outer side of the outer expanding core rod 4, and the rough honing emery stick seat 7 is arranged on the outer side of the rough honing expanding core 6 and provided with a rough honing lug 10. The rough honing lug 10 is provided with a rough honing push surface 11, and the rough honing push surface 11 is matched with and contacted with the conical surface of the rough honing expanding core 6. Six rough honing emery stick seats 7 are respectively arranged in the six accommodating cavities and are radially and slidably connected to the grinding head body 1. In this embodiment, a first sliding block is disposed on the top of the rough honing emery stick base 7, a first sliding groove matched with the first sliding block is disposed on the grinding head body 1, and the rough honing emery stick base 7 is radially and slidably connected to the grinding head body 1 through the first sliding block (not shown in the figure).
The fine honing feed mechanism comprises an inner expanding core rod 12, an inner push rod 13, a fine honing expanding core 14 and six fine honing emery stick seats 15. The inner expansion core rod 12 is arranged in the through hole 8 of the outer expansion core rod 4, and the inner push rod 13 is connected with the upper end of the inner expansion core rod 12. The fine honing expanding core 14 is arranged on the outer side of the outer expanding core rod 4, a groove 16 is formed in the upper end of the fine honing expanding core 14, a connecting key 17 and a clamp spring 18 are arranged in the groove 16, one end of the connecting key 17 is connected with the fine honing expanding core 14, and the other end of the connecting key passes through the key hole 9 and extends into the through hole 8 to be connected with the inner expanding core rod 12. The fine honing emery stick seat 15 is arranged on the outer side of the fine honing expanding core 14 and is provided with a fine honing lug 19. The fine honing lug 19 is provided with a fine honing push surface 20, and the fine honing push surface 20 is matched with and contacted with the conical surface of the fine honing expanding core 14. Six finish honing emery stick seats 15 are respectively arranged in six containing cavities and are in radial sliding connection with the grinding head body 1, and the rough honing emery stick seat 7 and the finish honing emery stick seats 15 are arranged at intervals. In this embodiment, a second sliding block is disposed at the top of the fine honing emery stick seat 15, a second sliding groove matched with the second sliding block is disposed on the grinding head body 1, and the fine honing emery stick seat 15 is radially slidably connected to the grinding head body 1 through the second sliding block (not shown in the figure).
The six rough honing emery stick seats 7 and the six fine honing emery stick seats 15 are symmetrically distributed by taking the central line of the grinding head body 1 as a symmetrical center. The included angle between the fine honing emery stick seat 15 and the guide strip 3 is 15 degrees, and the included angle between the fine honing emery stick seat 15 and the rough honing emery stick seat 7 is 30 degrees. The number of the rough honing expanding cores 6 is three, and three rough honing lugs 10 which correspond to the rough honing expanding cores 6 one by one are arranged on the rough honing emery stick seat 7. The fine honing expanding cores 14 are two, and the fine honing emery stick seats 15 are provided with two fine honing lugs 19 which correspond to the fine honing expanding cores 14 one by one. Three rough honing expanding cores 6 and two fine honing expanding cores 14 are distributed at intervals in a straight line along the height direction of the grinding head body 1.
The bottom of the grinding head body 1 is provided with a bottom cover 21, and the bottom cover 21 is a regular hexagon matched with the grinding head body 1. In this embodiment, the bottom cover 21 is provided with a fixing hole 22, and the bottom cover 21 is fixedly connected to the grinding head body 1 through a bolt disposed in the fixing hole 22.
The rough honing resetting mechanism comprises a first spring 23 and a first expansion and contraction spring 24, one end of the first spring 23 is connected to the outer expansion core rod 4, the other end of the first spring is connected to the bottom cover 21, and the first expansion and contraction spring 24 is arranged on the outer side of the rough honing emery stick seat 7.
The fine honing resetting mechanism comprises a second spring 25 and a second expansion and contraction spring 26, one end of the second spring 25 is connected to the inner expansion core rod 12, the other end of the second spring is connected to the bottom cover 21, the second spring 25 is sleeved in the first spring 23, and the second expansion and contraction spring 26 is arranged on the outer side of the fine honing emery stick seat 15.
The rough honing emery stick seat 7 is provided with a rough honing emery stick 28, and the fine honing emery stick seat 15 is provided with a fine honing emery stick 29. When the rough honing is needed, the outer push rod 5 is pushed downwards, the outer push rod 5 compresses the first spring 23 to move downwards, the conical surface of the rough honing expanding core 6 pushes the rough honing push surface 11 on the rough honing emery stick seat 7 which is contacted with the rough honing expanding core outwards, so that the rough honing emery stick seat 7 expands along the radial direction of the grinding head body 1, and the rough honing emery stick 28 expands to be contacted with the processing surface of the inner wall 27 of the engine cylinder hole and is subjected to rough honing. After the rough honing process is finished, the outer push rod 5 releases pressure to the outer expansion core rod 4, and the rough honing emery stick seat 7 rapidly retracts to the initial position under the elastic force action of the first expansion and contraction spring 24 and the first spring 23. When the finish honing machining is needed, the inner push rod 13 is pushed downwards, the inner push rod 13 compresses the second spring 25 to move downwards, the conical surface of the finish honing expansion core 14 pushes the finish honing push surface 20 on the finish honing emery stick seat 15 which is contacted with the conical surface outwards, so that the finish honing emery stick seat 15 expands along the radial direction of the grinding head body 1, and the finish honing emery stick 29 expands to be contacted with the machining surface of the inner wall 27 of the engine cylinder hole and finish honing is carried out. After the finish honing process is finished, the inner push rod 13 releases pressure to the inner expanding core rod 12, and the finish honing emery stick seat 15 rapidly retracts to the initial position under the elastic force action of the second expanding and contracting spring 26 and the second spring 25.
Claims (6)
1. The utility model provides a hexagonal honing head, includes the bistrique body, the internal centre bore that is equipped with of bistrique, its characterized in that: the grinding head body is a regular hexagonal prism, guide strips are arranged at six edges of the side surface of the grinding head body along the height direction of the grinding head body, and an accommodating cavity communicated with the central hole is formed between every two adjacent guide strips; the honing device also comprises a rough honing feeding mechanism, a fine honing feeding mechanism, a rough honing resetting mechanism and a fine honing resetting mechanism; rough honing feed mechanism includes six rough honing emery stick seats, and six rough honing emery stick seats are located six respectively and are held in the chamber and radial sliding connection on the grinding head body, finish honing feed mechanism includes six finish honing emery stick seats, and six finish honing emery stick seats are located six respectively and are held in the chamber and radial sliding connection on the grinding head body, and rough honing emery stick seat and finish honing emery stick seat interval set up.
2. The hexagonal honing head according to claim 1, wherein: the rough honing feed mechanism comprises an outer expansion core rod, an outer push rod and a rough honing expansion core; the outer expanding core rod is arranged in the central hole, a through hole is formed in the outer expanding core rod, a key hole which is axially communicated with the through hole is formed in the peripheral surface of the outer expanding core rod, the outer push rod is connected with the upper end of the outer expanding core rod, the coarse honing expanding core is arranged on the outer side of the outer expanding core rod, the coarse honing emery stick seat is arranged on the outer side of the coarse honing expanding core and provided with a coarse honing lug, a coarse honing push surface is arranged on the coarse honing lug, and the coarse honing push surface is matched and contacted with the conical surface of the coarse honing expanding core.
3. The hexagonal honing head according to claim 2, wherein: the fine honing feeding mechanism comprises an inner expanding core rod, an inner push rod and a fine honing expanding core; the inner expanding core rod is arranged in a through hole of the outer expanding core rod, the inner push rod is connected with the upper end of the inner expanding core rod, the fine honing expanding core is arranged on the outer side of the outer expanding core rod, a groove is formed in the upper end of the fine honing expanding core, a connecting key and a clamp spring are arranged in the groove, one end of the connecting key is connected with the fine honing expanding core, and the other end of the connecting key penetrates through the key hole and extends into the through hole to be connected with the inner expanding core rod; the fine honing emery stick seat is arranged on the outer side of the fine honing expanding core and is provided with a fine honing lug, a fine honing pushing surface is arranged on the fine honing lug, and the fine honing pushing surface is matched and contacted with the conical surface of the fine honing expanding core.
4. The hexagonal honing head according to claim 3, wherein: the bottom of the grinding head body is provided with a bottom cover, and the bottom cover is a regular hexagon matched with the grinding head body.
5. The hexagonal honing head according to claim 4, wherein: the rough honing resetting mechanism comprises a first spring and a first expansion and contraction spring, one end of the first spring is connected to the outer expansion core rod, the other end of the first spring is connected to the bottom cover, and the first expansion and contraction spring is arranged on the outer side of the rough honing emery stick seat.
6. The hexagonal honing head according to claim 5, wherein: the fine honing reset mechanism comprises a second spring and a second expansion spring, one end of the second spring is connected to the inner expansion core rod, the other end of the second spring is connected to the bottom cover, the second spring is sleeved in the first spring, and the second expansion spring is arranged on the outer side of the fine honing emery stick seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920553819.9U CN209850654U (en) | 2019-04-23 | 2019-04-23 | Hexagonal honing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920553819.9U CN209850654U (en) | 2019-04-23 | 2019-04-23 | Hexagonal honing head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209850654U true CN209850654U (en) | 2019-12-27 |
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ID=68938698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920553819.9U Active CN209850654U (en) | 2019-04-23 | 2019-04-23 | Hexagonal honing head |
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| Country | Link |
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| CN (1) | CN209850654U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112548767A (en) * | 2020-12-02 | 2021-03-26 | 姜海涛 | Hardware burnishing and polishing device |
-
2019
- 2019-04-23 CN CN201920553819.9U patent/CN209850654U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112548767A (en) * | 2020-12-02 | 2021-03-26 | 姜海涛 | Hardware burnishing and polishing device |
| CN112548767B (en) * | 2020-12-02 | 2022-08-19 | 平潭诚信智创科技有限公司 | Hardware burnishing and polishing device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220727 Address after: 454750 industrial cluster of Mengzhou City, Jiaozuo City, Henan Province Patentee after: ZYNP CORPORATION DINGRUI TECHNOLOGY CO.,LTD. Address before: 454750 No. 69 Huaihe Avenue, Mengzhou Industrial Agglomeration District, Jiaozuo City, Henan Province Patentee before: ZYNP GROUP INTELLIGENT EQUIPMENT CO.,LTD. |