CN220312764U - Cylinder cap disk seat Kong Xiumo device - Google Patents
Cylinder cap disk seat Kong Xiumo device Download PDFInfo
- Publication number
- CN220312764U CN220312764U CN202321942561.4U CN202321942561U CN220312764U CN 220312764 U CN220312764 U CN 220312764U CN 202321942561 U CN202321942561 U CN 202321942561U CN 220312764 U CN220312764 U CN 220312764U
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- unit
- fixing
- shaft
- xiumo
- valve seat
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- 238000005498 polishing Methods 0.000 claims abstract description 22
- 230000010485 coping Effects 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000003754 machining Methods 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model belongs to the field of cylinder cover machining, and discloses a cylinder cover valve seat Kong Xiumo device which comprises a fixing unit, a grinding unit rotationally arranged on the fixing unit and a driving unit for driving the grinding unit to rotate, wherein the fixing unit is provided with a plurality of grinding grooves; the fixing unit comprises a fixing shaft, expansion blocks, a movable rod and a nut, wherein the fixing shaft is a hollow shaft, the expansion blocks are hinged to the side wall of the bottom of the fixing shaft through torsion springs and pin shafts, the movable rod is movably arranged in an inner cavity of the fixing shaft, the bottom of the movable rod is provided with a top head for controlling the expansion blocks to rotate along the pin shafts, and the top of the movable rod is in threaded connection with the nut arranged at the top of the fixing shaft; the grinding unit is rotationally arranged on the fixed shaft; the driving unit is fixedly arranged on the fixed shaft and is positioned above the coping unit. Compared with the traditional manual reaming processing, the polishing device designed by the utility model has the advantages of more reasonable design, higher processing efficiency and higher precision, and is simple and quick to install.
Description
Technical Field
The utility model relates to the field of cylinder cover machining, in particular to a cylinder cover valve seat hole grinding device.
Background
In the production and processing of the engine cylinder cover, the inner conical surface of the valve seat hole of the cylinder cover needs to be polished by a polishing tool so as to ensure the processing precision.
The existing coping tool mainly comprises a cutterhead, a rotating handle and a fastening nut, when the tool is used, the cutterhead is fastened on the rotating handle by the nut, then a well-assembled component is inserted into a centering guide rod below a cylinder cover valve seat hole, a shaping guide rod is fixedly arranged in a guide pipe hole, a shaft of the rotating handle and the centering guide rod are of a rotating structure, the cutterhead is manually rotated to operate, and reaming processing is carried out on a conical surface of an orifice of the cylinder cover valve seat, so that the processing mode has the following defects:
1. the method adopts the manual reaming mode to process the conical surface of the valve seat orifice of the cylinder cover, so that the labor intensity of personnel is high, the working efficiency is low and the processing time is long;
2. the centering guide rod needs to be fixed in advance in a guide pipe hole of the cylinder cover, so that the problem of troublesome operation exists, and the efficiency of pre-machining is improved.
The prior art includes the following steps: the Chinese patent with the application number of CN202211114529.7 discloses a valve seat Kong Xiumo device of a cylinder cover, which adopts electric drive to carry out grinding operation, but has special structural design, and in order to realize the simultaneous processing of an air inlet valve seat hole and an air outlet valve seat hole, the whole device is fixedly arranged on the cylinder cover through a positioning plate and a supporting frame by bolts; generally, there is no bolt hole on the cylinder head for fixing the locating plate, and if the fixing is needed, the bolt hole is temporarily opened, which affects the quality of the cylinder head.
Based on the defect of the prior structure, the application provides a cylinder cover valve seat hole polishing device.
Disclosure of Invention
The utility model aims to solve the technical problems existing in the prior art. Therefore, the utility model provides a cylinder cover valve seat hole grinding device.
The technical scheme adopted for solving the technical problems is as follows:
the cylinder cover valve seat Kong Xiumo device comprises a fixed unit, a polishing unit rotationally arranged on the fixed unit and a driving unit for driving the polishing unit to rotate; the fixing unit comprises a fixing shaft, expansion blocks, a movable rod and nuts, wherein the fixing shaft is a hollow shaft, the expansion blocks are hinged to the side wall of the bottom of the fixing shaft through torsion springs and pin shafts, the movable rod is movably arranged in an inner cavity of the fixing shaft, the bottom of the movable rod is provided with a top head for controlling the expansion blocks to rotate along the pin shafts, and the top of the movable rod is in threaded connection with the nuts arranged at the top of the fixing shaft; the coping unit is rotationally arranged on the fixed shaft; the driving unit is fixedly arranged on the fixed shaft and is positioned above the coping unit.
In a preferred embodiment of the present utility model, the outer surface of the expansion block is coated with a rubber cushion layer.
In a preferred embodiment of the present utility model, the fixing shaft is further provided with at least one rubber ring above the expansion block, the outer surface of the rubber ring is arc-shaped, and the maximum outer diameter of the rubber ring is equal to the inner diameter of the conduit hole of the cylinder cover.
In a preferred embodiment of the present utility model, the fixing unit further includes a sleeve, a flange abutting against the opening of the cylinder cover conduit hole is provided at the bottom of the sleeve, a plurality of wrenches are provided at the periphery of the top, and the top of the sleeve is screwed with the fixing shaft.
In a preferred embodiment of the present utility model, the polishing unit includes a turntable and a plurality of polishing assemblies disposed at the bottom of the turntable, and the turntable is rotatably mounted on the fixed shaft through a bearing.
In a preferred embodiment of the present utility model, the polishing assembly includes a bracket and a polishing head, the polishing head is fixedly installed at the bottom of the turntable through the bracket, the polishing head is transversely and slidably installed on the bracket, a guide rod penetrating through the polishing head is arranged on the bracket, and a spring for extruding the polishing head outwards is arranged on the guide rod.
In a preferred embodiment of the present utility model, the driving unit includes a fixing plate, a gear ring, a gear and a motor, the motor is fixedly mounted on the fixing shaft through the fixing plate, the gear is disposed on an output shaft of the motor, the gear ring is disposed on a surface of the turntable, and the gear ring is meshed with the gear for transmission.
In a preferred embodiment of the present utility model, a hand wheel is fixedly connected to the top of the movable rod.
Compared with the prior art, the utility model has the beneficial effects that:
the polishing device designed by the utility model is characterized in that the whole device is fixed in the guide pipe hole of the cylinder cover by utilizing the fixed shaft, and the polishing unit is driven by the driving unit to realize the polishing of the conical surface of the valve seat orifice.
Drawings
For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a processing state diagram of a cylinder cover valve seat hole grinding device provided by the utility model;
fig. 2 is an enlarged view of a portion of the cylinder head valve seat hole grinding apparatus provided in fig. 1 in a non-working state.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1
The embodiment provides a cylinder cap valve seat Kong Xiumo device, as shown in fig. 1, including a fixing unit 1, a polishing unit 2 rotatably disposed on the fixing unit, and a driving unit 3 for driving the polishing unit to rotate, wherein: the fixing unit is used for installing the whole device in a guide pipe hole of the cylinder cover, and the grinding unit is used for grinding a valve seat hole of the cylinder cover through driving of the driving unit.
Preferably, the fixing unit 1 includes a fixed shaft 1.1, an expansion block 1.2, a movable rod 1.3 and a nut 1.4, the fixed shaft 1.1 is a hollow shaft, a plurality of expansion blocks 1.2 are hinged to the bottom side wall of the fixed shaft 1.1 through torsion springs and pin shafts, the movable rod 1.3 is movably arranged in an inner cavity of the fixed shaft 1.1, a top head 1.3.1 for controlling the expansion block 1.2 to rotate along the pin shaft is arranged at the bottom of the movable rod, and the top of the movable rod 1.3 is in threaded connection with the nut 1.4 arranged at the top of the fixed shaft 1.1; preferably, the top of the movable rod 1.3 is fixedly connected with a hand wheel 4, so that the movable rod is convenient to operate. The working principle of the fixing unit in this embodiment is as follows:
under normal state, as shown in figure 2, the expansion block is furled, after the fixed shaft is put into a proper position in the conduit hole, the hand wheel at the top of the movable rod is rotated to enable the top to move downwards until the expansion block forms extrusion friction with the inner wall of the conduit hole, and the fixing of the fixed shaft is completed.
Preferably, the outer surface of the expansion block 1.2 is coated with a rubber cushion layer (not shown in the figure), so that on one hand, the damage of the expansion block to the inner wall of the catheter hole can be prevented, and on the other hand, the friction force between the expansion block and the inner wall of the catheter hole can be increased.
Further, in this embodiment, at least one rubber ring 1.5 is further disposed above the fixed shaft 1.1 and located above the expansion block 1.2, the outer surface of the rubber ring 1.5 is arc-shaped, and the maximum outer diameter of the rubber ring 1.5 is equal to the inner diameter of the conduit hole of the cylinder cover. The rubber ring can increase the stability of the fixed shaft in the duct hole.
The coping unit 2 is rotatably arranged on the fixed shaft 1.1; the concrete installation mode is as follows: the grinding unit 2 comprises a rotary table 2.1 and a plurality of grinding components arranged at the bottom of the rotary table, and the rotary table 2.1 is rotatably arranged on the fixed shaft 1.1 through a bearing.
Preferably, the coping subassembly includes support 2.2 and coping head 2.3, coping head 2.3 pass through support 2.2 fixed mounting in the bottom of carousel 2.1, coping head 2.3 transversely slidingly install in on support 2.2, the position of coping head in radial direction on the disk seat hole can be adjusted to the slidable mounting mode, just be equipped with on support 2.2 and run through the guide arm 2.4 of coping head 2.3, be equipped with on the guide arm 2.4 with the outwards spring 2.5 of extrusion of coping head. The spring is utilized to provide the extrusion force of the grinding head to the conical surface of the valve seat orifice in the grinding process. The length of the grinding surface of the grinding head in this embodiment is greater than the length of the inclined surface of the conical surface.
The driving unit 3 is fixedly arranged on the fixed shaft 1.1 and is positioned above the coping unit 2. Preferably, the driving unit 3 includes a fixed plate 3.1, a gear ring 3.2, a gear 3.3 and a motor 3.4, the motor 3.4 is fixedly installed on the fixed shaft 1.1 through the fixed plate 3.1, the gear 3.3 is arranged on an output shaft of the motor 3.4, the gear ring 3.2 is arranged on the surface of the turntable 2.1, and the gear ring 3.2 is meshed with the gear 3.3 for transmission. In the embodiment, the motor is used for driving the gear ring to drive the turntable to rotate, so that the grinding head is driven to grind the conical surface.
Example two
The difference between this embodiment and the first embodiment is only that: the fixing unit 1 of this embodiment further includes a sleeve 1.6, as shown in fig. 1, a flange 1.6.1 abutting against a hole opening of a cylinder cover conduit is provided at the bottom of the sleeve 1.6, a plurality of spanner bars 1.6.2 are provided at the periphery of the top, and the top of the sleeve 1.6 is screwed with the fixing shaft 1.1. In this embodiment, after the stationary shaft is secured within the conduit aperture, the sleeve is rotated to move it downward until its flange contacts the conduit aperture. The design of the sleeve can ensure the stability of the fixed shaft on one hand and can play a role in supporting the whole device on the other hand.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present utility model.
Claims (8)
1. The cylinder cover valve seat Kong Xiumo device comprises a fixing unit, a polishing unit rotationally arranged on the fixing unit and a driving unit for driving the polishing unit to rotate; the method is characterized in that:
the fixing unit comprises a fixing shaft, expansion blocks, a movable rod and nuts, wherein the fixing shaft is a hollow shaft, the expansion blocks are hinged to the side wall of the bottom of the fixing shaft through torsion springs and pin shafts, the movable rod is movably arranged in an inner cavity of the fixing shaft, the bottom of the movable rod is provided with a top head for controlling the expansion blocks to rotate along the pin shafts, and the top of the movable rod is in threaded connection with the nuts arranged at the top of the fixing shaft;
the coping unit is rotationally arranged on the fixed shaft;
the driving unit is fixedly arranged on the fixed shaft and is positioned above the coping unit.
2. The cylinder head valve seat Kong Xiumo device according to claim 1, further comprising: the outer surface of the expansion block is coated with a rubber cushion layer.
3. The cylinder head valve seat Kong Xiumo device according to claim 1, further comprising: the fixed shaft is located above the expansion block and is further provided with at least one rubber ring, the outer surface of the rubber ring is arc-shaped, and the maximum outer diameter of the rubber ring is equal to the inner diameter of the guide pipe hole of the cylinder cover.
4. The cylinder head valve seat Kong Xiumo device according to claim 1 or 2, characterized in that: the fixing unit further comprises a sleeve, a flange which is abutted to the hole opening of the cylinder cover conduit hole is arranged at the bottom of the sleeve, a plurality of spanner bars are arranged on the periphery of the top of the sleeve, and the top of the sleeve is in threaded connection with the fixing shaft.
5. The cylinder head valve seat Kong Xiumo device according to claim 1, further comprising: the polishing unit comprises a turntable and a plurality of polishing components arranged at the bottom of the turntable, and the turntable is rotatably arranged on the fixed shaft through a bearing.
6. The cylinder head valve seat Kong Xiumo device according to claim 5, further comprising: the grinding assembly comprises a support and a grinding head, the grinding head is fixedly arranged at the bottom of the rotary table through the support, the grinding head is transversely and slidably arranged on the support, a guide rod penetrating through the grinding head is arranged on the support, and a spring for extruding the grinding head outwards is arranged on the guide rod.
7. The cylinder head valve seat Kong Xiumo device according to claim 5, further comprising: the driving unit comprises a fixed plate, a gear ring, a gear and a motor, wherein the motor is fixedly arranged on the fixed shaft through the fixed plate, the gear is arranged on an output shaft of the motor, the gear ring is arranged on the surface of the turntable, and the gear ring is in meshed transmission with the gear.
8. The cylinder head valve seat Kong Xiumo device according to claim 1, further comprising: the top of the movable rod is fixedly connected with a hand wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321942561.4U CN220312764U (en) | 2023-07-24 | 2023-07-24 | Cylinder cap disk seat Kong Xiumo device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321942561.4U CN220312764U (en) | 2023-07-24 | 2023-07-24 | Cylinder cap disk seat Kong Xiumo device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220312764U true CN220312764U (en) | 2024-01-09 |
Family
ID=89422359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321942561.4U Active CN220312764U (en) | 2023-07-24 | 2023-07-24 | Cylinder cap disk seat Kong Xiumo device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220312764U (en) |
-
2023
- 2023-07-24 CN CN202321942561.4U patent/CN220312764U/en active Active
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