CN115229665A - Special honing head for blind holes of integrated cylinder cover - Google Patents
Special honing head for blind holes of integrated cylinder cover Download PDFInfo
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- CN115229665A CN115229665A CN202210795013.7A CN202210795013A CN115229665A CN 115229665 A CN115229665 A CN 115229665A CN 202210795013 A CN202210795013 A CN 202210795013A CN 115229665 A CN115229665 A CN 115229665A
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- honing
- honing head
- integrated
- head
- blind hole
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- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The application provides a special honing head of integrated form cylinder head blind hole belongs to honing technical field, and this special honing head of integrated form cylinder head blind hole includes integrative honing assembly spare. The integrated honing assembly comprises a honing head body, an integrated end cover, a base support, a honing bar and an opening push shaft. The integrated end cover and the honing head body are integrally formed. The integrated end cover and the honing head body are processed and formed through processes of turning, milling, drilling and the like. One end of the integrated end cover is 2mm away from one end of the base support and one end of the honing strip, and the safe distance for preventing collision between the honing head body and the bottom of the cylinder hole is set through the integrated end cover. The honing head end cover and the honing head main body are integrated through design improvement, the protruding distance of the traditional honing head end cover is reduced, the interference between the honing head and a cylinder hole bottom entity during reversing is reduced, the problem that the cylinder hole of an engine cylinder body with a blind hole structure cannot be honed is solved, and meanwhile, the base support and the honing strip are honed up and down in a reciprocating mode and protected against collision during storage.
Description
Technical Field
The application relates to the technical field of honing, particularly, relate to a special honing head of integrated form cylinder head blind hole.
Background
The surface quality requirements of the cylinder bore are bearing rate, roughness, waviness, net-grain angle, flake graphite opening rate and the like. The requirement of the surface bearing rate of the cylinder bore can be met only after the honing machine is used for honing. The honing machine finishes the cylinder hole through a honing head to meet the surface quality requirement. The structure and size of the honing head have great influence on the processing precision of the workpiece. The honing heads with different structures are selected according to different workpieces
However, the lower end of the existing honing head is connected with the end cover by the honing head, and because the end cover of the original honing head protrudes during the honing of the blind hole of the cylinder, the honing head interferes with the bottom entity of the cylinder hole when the honing head moves downwards and changes direction. Therefore, the honing tool is only suitable for honing the through hole type cylinder hole of the cylinder block and cannot be used for honing the cylinder hole of the cylinder block with a blind hole structure.
Disclosure of Invention
The present application is directed to solving at least one of the problems in the prior art. Therefore, the application provides the special honing head for the blind hole of the integrated cylinder cover, and the end cover of the honing head and the main body of the honing head are improved to be integrated through design, so that the interference between the honing head and the bottom of the blind hole structure of the engine cylinder body is reduced.
The application is realized as follows:
the application provides a special honing head of integrated form cylinder head blind hole includes integrative honing assembly.
Integrative honing subassembly includes honing head body, integrative end cover, base support, honing strip and opens and pushes away the axle, integrative end cover set up in on the honing head body, base support slip peg graft in it is internal that honing head, honing strip set up in on the base support, open and push away the axle slip run through in it is internal that honing head, base support one end slide in open and push away the axle surface.
In an embodiment of the application, the integrated end cover and the honing head body are integrally formed, and one end of the integrated end cover is 2mm away from one end of the base support and one end of the honing strip.
In an embodiment of the present application, a first groove is formed at one end of the base bracket, and a first ring of spring is disposed around the first groove.
In an embodiment of the present application, a second groove is formed at the other end of the base bracket, and a second coil spring is disposed around the second groove.
In an embodiment of the present application, a sliding rail shaft sleeve is disposed in the honing head body, and the expanding push shaft slides through the sliding rail shaft sleeve.
In an embodiment of the present application, an avoiding groove is formed on the surface of the sliding rail shaft sleeve, and the base support penetrates through the avoiding groove.
In an embodiment of the present application, the base support is provided with an inclined wedge, and the inclined wedge slides on the surface of the expanding push shaft.
In an embodiment of the present application, the integrated end cap is provided with a positioning hole and a positioning groove.
In an embodiment of the present application, a thrust sleeve is provided in the honing head body, and one end of the expanded thrust shaft slides through the thrust sleeve.
In an embodiment of this application, thrust axle sleeve surface has cup jointed damping spring, it has the shock attenuation round pin to open to push away axle fixed surface, the shock attenuation round pin run through in the thrust axle sleeve, damping spring one end laminating in the shock attenuation round pin surface.
The beneficial effect of this application is: this application obtains through above-mentioned design an integrated form cylinder head blind hole special honing head, during the use, integrative end cover and honing head body are through processes such as car, mill, bore processing shaping. One end of the integrated end cover is 2mm away from one end of the base support and one end of the honing strip, and the safe distance for preventing collision between the honing head body and the bottom of the cylinder hole is set through the integrated end cover. The honing head end cover and the honing head main body are integrated through design improvement, the problem that a cylinder hole of an engine cylinder body with a blind hole structure cannot be honed is solved, and meanwhile, the base support and the honing strip are honed up and down in a reciprocating mode and protected from bruise during storage.
Drawings
In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic diagram of an exploded three-dimensional structure of a honing head special for a blind hole of an integrated cylinder head provided in an embodiment of the present application;
fig. 2 is a schematic internal three-dimensional structure view of the honing head provided by the embodiment of the present application;
fig. 3 is a schematic perspective view of a base bracket and a honing strip provided in an embodiment of the present application;
fig. 4 is a schematic perspective view of a honing head body and an integral end cover provided in the embodiment of the present application.
In the figure: 100-an integral honing assembly; 110-a honing head body; 111-a glide track shaft sleeve; 112-an avoidance groove; 113-a thrust sleeve; 114-a shock-absorbing spring; 120-an integral end cap; 121-positioning holes; 122-positioning grooves; 130-a base support; 131-a first groove; 132-a first ring of springs; 133-a second groove; 134-a second coil spring; 135-slanting wedge; 140-honing the strip; 150-opening the push shaft; 151-damper pin.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application.
Examples
As shown in fig. 1 to 4, the integrated cylinder head blind hole dedicated honing head according to the embodiment of the present application includes an integrated honing assembly 100. The end cover of the honing head and the main body of the honing head are integrated through design improvement, so that the interference between the honing head and the bottom of the blind hole structure of the engine cylinder body is reduced.
As shown in fig. 1 to 4, the lower end of the existing honing head is connected with an end cap by the honing head, and because the end cap of the original honing head protrudes during the honing of the blind hole of the cylinder, the honing head interferes with the bottom entity of the cylinder hole when the honing head moves downwards and changes direction. Therefore, the honing tool is only suitable for honing the through hole type cylinder hole of the cylinder block and cannot be used for honing the cylinder hole of the cylinder block with a blind hole structure.
The integrated honing assembly 100 comprises a honing head body 110, an integrated end cover 120, a base support 130, a honing bar 140 and an opening push shaft 150, wherein the integrated end cover 120 is arranged on the honing head body 110, the integrated end cover 120 and the honing head body 110 are integrally formed, and the integrated end cover 120 and the honing head body 110 are specifically formed through processes of turning, milling, drilling and the like. The base support 130 is inserted into the honing head 110 in a sliding manner, a sliding groove is formed in the surface of the honing head 110, and the base support 130 slides in the radial direction through the sliding groove. The honing stick 140 is disposed on the base support 130, and the honing stick 140 and the base support 130 are integrally formed. The opening push shaft 150 penetrates through the honing head body 110 in a sliding mode, a sliding rail shaft sleeve 111 is arranged in the honing head body 110, the sliding rail shaft sleeve 111 is in threaded connection with the honing head body 110, the opening push shaft 150 penetrates through the sliding rail shaft sleeve 111 in a sliding mode, and an oil groove is formed in the specific sliding rail shaft sleeve 111 to facilitate sliding of the opening push shaft 150. One end of the base support 130 slides on the surface of the expanding push shaft 150, the base support 130 is provided with an inclined wedge 135, the inclined wedge 135 and the base support 130 are integrally formed by linear cutting, and the inclined wedge 135 slides on the surface of the expanding push shaft 150.
Wherein, the honing stick 140 is pushed to open by opening the pushing shaft 150. The first groove 131 is formed in one end of the base support 130, the first ring of springs 132 are arranged between the first grooves 131 in a surrounding mode, the second groove 133 is formed in the other end of the base support 130, the second ring of springs 134 are arranged between the second grooves 133 in a surrounding mode, the base support 130 is limited through the ring of springs, and the honing strips 140 can be conveniently folded. A thrust shaft sleeve 113 is arranged in the honing head body 110, one end of the opening push shaft 150 penetrates through the thrust shaft sleeve 113 in a sliding mode, and specifically, one end of the opening push shaft 150 controls the opening push shaft 150 to slide through an external motor. The surface of the thrust shaft sleeve 113 is sleeved with a damping spring 114, the surface of the expanding thrust shaft 150 is fixed with a damping pin 151, and the damping pin 151 is in threaded connection with the expanding thrust shaft 150. The damper pin 151 penetrates the thrust bushing 113, and one end of the damper spring 114 is attached to the surface of the damper pin 151 to absorb shock by the spring. The slide rail shaft sleeve 111 is provided with an avoiding groove 112 on the surface, and the base support 130 penetrates through the avoiding groove 112.
Wherein, the integrated end cover 120 is provided with a positioning hole 121 and a positioning groove 122, which is convenient for processing, positioning and alignment. One end of the integrated end cap 120 is spaced from one end of the base bracket 130 and one end of the honing stick 140 by 2mm, and a safety distance for preventing collision between the honing head body 110 and the bottom of the cylinder bore is set.
Specifically, the working principle of the special honing head for the blind hole of the integrated cylinder cover is as follows: when in use, the integrated end cover 120 and the honing head body 110 are processed and molded by processes of turning, milling, drilling and the like. One end of the integrated end cap 120 is spaced from one end of the base bracket 130 and one end of the honing stick 140 by 2mm, and a safety distance for preventing collision of the honing head body 110 with the bottom of the cylinder hole is set by the integrated end cap 120. The honing head end cover and the honing head body are integrated through design improvement, so that the problem that a cylinder hole with a blind hole structure of an engine cylinder body cannot be honed is solved, and meanwhile, the base support 130 and the honing strip 140 are honed up and down in a reciprocating manner and protected from bruise during storage.
The above embodiments are merely examples of the present application and are not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Claims (10)
1. An integrated honing head special for a blind hole of a cylinder cover is characterized by comprising
Integrative honing subassembly (100), integrative honing subassembly (100) include honing head (110), integrative end cover (120), base support (130), honing stick (140) and open and push away axle (150), integrative end cover (120) set up in on honing head (110), base support (130) slide peg graft in honing head (110), honing stick (140) set up in on base support (130), open and push away axle (150) slide and run through in honing head (110), base support (130) one end slide in open and push away axle (150) surface.
2. The honing head exclusively for the blind hole of the integrated cylinder head according to claim 1, wherein the integrated end cap (120) is integrally formed with the honing head body (110), and one end of the integrated end cap (120) is spaced 2mm from one end of the base bracket (130) and one end of the honing stick (140).
3. The honing head special for the blind hole of the integrated cylinder head as claimed in claim 1, wherein the base bracket (130) has a first groove (131) formed at one end thereof, and a first ring of springs (132) is disposed around the first groove (131).
4. The honing head special for the blind hole of the integrated cylinder head as claimed in claim 1, wherein the other end of the base bracket (130) is provided with a second groove (133), and a second ring of springs (134) is arranged around the second groove (133).
5. The honing head special for the blind hole of the integrated cylinder cover according to claim 1, wherein a sliding rail sleeve (111) is disposed in the honing head body (110), and the expanding push shaft (150) is slidably inserted through the sliding rail sleeve (111).
6. The honing head special for the blind hole of the integrated cylinder head according to claim 5, wherein an avoiding groove (112) is formed in a surface of the sliding rail shaft sleeve (111), and the base support (130) penetrates through the avoiding groove (112).
7. The honing head exclusively used for the blind hole of the integrated cylinder head, according to claim 1, wherein the base bracket (130) is provided with slanting wedges (135), and the slanting wedges (135) slide on the surface of the expanding push shaft (150).
8. The honing head special for the blind hole of the integrated cylinder cover according to claim 1, wherein the integrated end cover (120) is provided with a positioning hole (121) and a positioning groove (122).
9. The honing head exclusively for blind holes of an integrated cylinder head as claimed in claim 1, wherein a thrust bushing (113) is disposed in the honing head body (110), and one end of the expanding thrust shaft (150) is slidably inserted through the thrust bushing (113).
10. The honing head special for the blind hole of the integrated cylinder head as claimed in claim 9, wherein a damping spring (114) is sleeved on the surface of the thrust shaft sleeve (113), a damping pin (151) is fixed on the surface of the expanding thrust shaft (150), the damping pin (151) penetrates through the thrust shaft sleeve (113), and one end of the damping spring (114) is attached to the surface of the damping pin (151).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210795013.7A CN115229665A (en) | 2022-07-07 | 2022-07-07 | Special honing head for blind holes of integrated cylinder cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210795013.7A CN115229665A (en) | 2022-07-07 | 2022-07-07 | Special honing head for blind holes of integrated cylinder cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115229665A true CN115229665A (en) | 2022-10-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210795013.7A Pending CN115229665A (en) | 2022-07-07 | 2022-07-07 | Special honing head for blind holes of integrated cylinder cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115229665A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116237826A (en) * | 2023-05-11 | 2023-06-09 | 四川省卓辰精密机械制造有限公司 | Valve piece oilhole grinding tool and grinding device |
-
2022
- 2022-07-07 CN CN202210795013.7A patent/CN115229665A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116237826A (en) * | 2023-05-11 | 2023-06-09 | 四川省卓辰精密机械制造有限公司 | Valve piece oilhole grinding tool and grinding device |
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