CN216940327U - Upper and lower centering mechanism for engine cylinder block machining - Google Patents
Upper and lower centering mechanism for engine cylinder block machining Download PDFInfo
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- CN216940327U CN216940327U CN202220682496.5U CN202220682496U CN216940327U CN 216940327 U CN216940327 U CN 216940327U CN 202220682496 U CN202220682496 U CN 202220682496U CN 216940327 U CN216940327 U CN 216940327U
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Abstract
The utility model relates to an upper and lower centering mechanism for processing an engine cylinder body, which comprises an upper centering column, a lower centering column, a positioning head and an upper and lower centering driving mechanism, wherein positioning holes are formed in two opposite outer side walls of the upper centering column and the lower centering column along the radial direction, the positioning head is installed in the positioning holes, and the upper and lower centering driving mechanism drives the positioning heads on the upper centering column and the lower centering column to synchronously clamp in opposite directions or move away from each other. According to the utility model, the upper centering column and the lower centering column are respectively inserted into two adjacent cylinder holes of the engine, and then the centering positions of the engine cylinder body in the vertical direction are centered by synchronously clamping the positioning heads on the upper centering column and the lower centering column of the upper centering mechanism and the lower centering mechanism in opposite directions, so that the flexible centering positioning of the blank of the automobile engine cylinder body to be clamped in the vertical direction is realized, the difficulty in centering the blank of the engine cylinder body is reduced, the auxiliary time for centering and clamping is reduced, and the clamping efficiency is improved.
Description
Technical Field
The utility model relates to an up-and-down centering mechanism for processing an engine cylinder block, and belongs to the technical field of tool fixtures.
Background
The engine cylinder block is the skeleton of engine, and the engine cylinder block generally adopts the casting mode to make, and the blank that casts still need fix on processing equipment through anchor clamps and carry out further processing, and traditional engine cylinder block is anchor clamps for rough machining mainly have the problem when adding man-hour to engine cylinder block blank as follows: because of the unstable quality of the engine cylinder block blank, the processing and clamping allowance distribution of the engine cylinder block blank is usually uneven, and the traditional clamping mode cannot align the vertical centering position of the engine cylinder block on a clamp, so that the phenomenon that the engine cylinder block cannot be processed in the subsequent rough processing of the blank is caused, the allowance of the engine cylinder block after the rough processing is uneven, and the processing precision in the subsequent fine processing is influenced.
SUMMERY OF THE UTILITY MODEL
The present invention aims to provide a new technical solution to improve or solve the technical problems of the prior art as described above.
The utility model provides an upper and lower centering mechanism for processing an engine cylinder body, which comprises an upper centering column, a lower centering column, a positioning head and an upper and lower centering driving mechanism, wherein positioning holes are formed in two opposite outer side walls of the upper centering column and the lower centering column along the radial direction, the positioning head is installed in the positioning holes, and the upper and lower centering driving mechanism drives the positioning heads on the upper centering column and the lower centering column to synchronously clamp towards each other or move away from each other.
The beneficial effects of the utility model are:
according to the utility model, the upper centering column and the lower centering column are respectively inserted into two adjacent cylinder holes of the engine, and then the centering positions of the engine cylinder body in the vertical direction are centered by synchronously clamping the positioning heads on the upper centering column and the lower centering column of the upper centering mechanism and the lower centering mechanism in opposite directions, so that the flexible centering positioning of the blank of the automobile engine cylinder body to be clamped in the vertical direction is realized, the difficulty in centering the blank of the engine cylinder body is reduced, the auxiliary time for centering and clamping is reduced, and the clamping efficiency is improved.
On the basis of the technical scheme, the utility model can be further improved as follows.
The upper and lower centering driving mechanism comprises an upper main guide part and a lower main guide part, main guide holes are formed in the upper centering column and the lower centering column along the axial direction, the upper main guide part and the lower main guide part are respectively installed in the main guide holes of the upper centering column and the lower centering column, inclined push surfaces are arranged at the positions, matched with the positioning holes, of the upper main guide part and the lower main guide part, guide rails are arranged on the inclined push surfaces, guide grooves matched with the guide rails are formed in the end portions of the positioning heads, and the axes of the guide rails are located in a plane determined by the axes of the upper main guide part and the lower main guide part.
The beneficial effects of adopting above-mentioned further scheme are that, centering actuating mechanism from top to bottom adopts the inclined guide rail on the main guide and the overhead guide way complex mode of location, drives through the axial displacement of main guide the location head is flexible in the locating hole, works as when going up main guide and down main guide synchronous motion, can realize going up the location head on to center pillar and the lower centering pillar presss from both sides tightly in opposite directions or keeping away from each other mutually to realize treating the flexible centering location of the automobile engine cylinder body blank of clamping from top to bottom ascending from top to bottom, reduce the alignment clamping's from top to bottom assistance-time of engine cylinder body, improve production efficiency.
The upper and lower centering driving mechanism further comprises a synchronizing block and a linear cylinder, the upper main guide part and the lower main guide part are connected together through the synchronizing block, and a piston rod of the linear cylinder is connected with the synchronizing block.
The further scheme has the advantages that the upper main guide part and the lower main guide part are connected through the synchronizing block, only one linear cylinder needs to be installed to drive the synchronizing block to move, the synchronizing block drives the upper main guide part and the lower main guide part to move synchronously, and positioning heads on the upper centering column and the lower centering column synchronously complete opposite clamping or back-to-back moving in the respective positioning holes.
The guide rail is a dovetail boss, the guide groove is a dovetail groove, and the positioning head is slidably mounted on the dovetail boss of the upper main guide part or the lower main guide part through the dovetail groove.
The dovetail groove is matched with the dovetail boss, so that the linkage motion of the main guide piece and the positioning head is realized.
The guide rail is T type boss, the guide way is T type groove, the location head passes through the gliding installation in T type groove is in go up main guide or down on the T type boss of main guide.
The beneficial effect who adopts above-mentioned further scheme is, through T type groove with the cooperation of T type boss realizes the linkage motion of main guide and location head.
The positioning holes formed in the upper pair of middle columns and the positioning holes formed in the lower pair of middle columns are arranged in a mirror image mode.
The beneficial effect who adopts above-mentioned further scheme is that, the realization is installed the positioning head on last centering post and the lower centering post is the mirror image setting, makes two positioning heads move to the centre on same horizontal plane and presss from both sides the inner wall between the two adjacent cylinder holes of engine cylinder block.
The upper pair of middle columns and the lower pair of middle columns are provided with end covers, and conical surfaces are arranged on the end covers.
The technical scheme has the advantages that the conical surface on the end cover enables the upper centering column and the lower centering column to be smoothly inserted into the cylinder hole of the engine cylinder body, and the end face of the end cover also plays a role in reference positioning.
Drawings
FIG. 1 is an isometric view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a sectional view taken along line A-A of the present invention;
FIG. 4 is a front view of the upper/lower main guide of the present invention;
FIG. 5 is a sectional view taken along line B-B of the present invention;
FIG. 6 is a front view of the up/down positioning head of the present invention;
FIG. 7 is a state diagram of the present invention in use;
in the figure, 1, an upper centering column; 2. lower pair of middle columns; 3. an upper positioning head; 4. a lower positioning head; 5. an upper main guide; 6. a lower main guide; 7. a synchronization block; 8. a linear cylinder; 9. an end cap; 10. a clamp body; 11. A guide rail; 12. a guide groove; 13. an engine block.
Detailed Description
The principles and features of this invention are described below in conjunction with examples, which are set forth to illustrate, but are not to be construed to limit the scope of the utility model.
As shown in fig. 1-6, an upper and lower centering mechanism for processing an engine cylinder block includes an upper center pillar 1, a lower center pillar 2, an upper positioning head 3, a lower positioning head 4, and an upper and lower centering driving mechanism, wherein positioning holes are radially formed on two opposite outer side walls of the upper center pillar 1 and the lower center pillar 2, the upper positioning head 3 and the lower positioning head 4 are installed in the positioning holes, and the upper and lower centering driving mechanism drives the upper positioning head 3 and the lower positioning head 4 to synchronously clamp in opposite directions or to move away from each other.
More specifically, the positioning holes formed in the upper pair of center pillars 1 and the positioning holes formed in the lower pair of center pillars 2 are arranged in a mirror image manner, so that the upper positioning heads 3 and the lower positioning heads 4 installed in the positioning holes are arranged in a mirror image manner, and the upper positioning heads 3 and the lower positioning heads 4 can move towards the middle on the same plumb face to clamp the inner wall between two adjacent cylinder holes of the engine cylinder body. When the upper and lower centering driving mechanisms drive the upper positioning head 3 and the lower positioning head 4 to synchronously clamp in opposite directions, the centering position of an engine cylinder body to be clamped in the upper and lower directions can be adjusted, so that flexible centering positioning of a blank of the automobile engine cylinder body to be clamped in the upper and lower directions is realized, when the engine cylinder body needs to be disassembled from the clamp, the upper and lower centering driving mechanisms drive the upper positioning head 3 and the lower positioning head 4 to synchronously and oppositely keep away from the engine cylinder body, and centering clamping of the positioning heads on the engine cylinder body is released.
In addition, in this embodiment, the up-down centering driving mechanism includes an upper main guide 5, a lower main guide 6, a synchronizing block 7 and a linear cylinder 8, main guide holes are axially formed in the upper center pillar 1 and the lower center pillar 2, the upper main guide 5 and the lower main guide 6 are respectively installed in the main guide holes of the upper center pillar 1 and the lower center pillar 2, inclined push surfaces are respectively provided at positions of the upper main guide 5 and the lower main guide 6, which are adapted to the positioning holes, guide rails 11 are provided on the inclined push surfaces, guide grooves 12 matched with the guide rails 11 are provided at ends of the positioning head, and axes of the guide rails 11 are located in a plane defined by axes of the upper main guide 5 and the lower main guide 6. In this embodiment, the guide rail 11 is a dovetail boss, and the guide groove 12 is a dovetail groove matched with the dovetail boss, but the guide rail 11 and the guide groove 12 may have other structural forms, for example, the guide rail 11 may also be a T-shaped boss, and the guide groove 12 is a T-shaped groove matched with the T-shaped boss. The upper main guide piece 5 and the lower main guide piece 6 are connected together through a synchronous block 7, a piston rod of the linear cylinder 8 is connected with the synchronous block 7, and the upper main guide piece 5 and the lower main guide piece 6 can be synchronously driven to axially move through the reciprocating motion of the piston rod of the linear cylinder 8 and respectively drive the upper positioning head 3 and the lower positioning head 4 to stretch and retract in the positioning hole.
The upper pair of middle columns 1 and the lower pair of middle columns 2 are respectively provided with an end cover 9, the end covers 9 are provided with conical surfaces, the conical surfaces on the end covers 9 can enable the upper pair of middle columns 1 and the lower pair of middle columns 2 to be smoothly inserted into cylinder holes of an engine cylinder body, and the end surfaces of the end covers 9 also play a role in reference positioning.
The utility model relates to a using mode of an up-down centering mechanism for processing an engine cylinder block, which comprises the following steps:
as shown in fig. 7, the vertical centering mechanism of the present invention is first fixed to the fixture body 10 along the horizontal direction, and the upper centering column 1 and the lower centering column 2 are arranged vertically, when in use, the upper centering column 1 and the lower centering column 2 are respectively inserted into two adjacent cylinder holes 13 of the engine cylinder block, the linear cylinder 8 is started, the piston of the linear cylinder 8 drives the synchronizing block 7, the upper main guide 5 and the lower main guide 6 to move leftward simultaneously, and the inclined dovetail protrusions of the upper centering column 1 and the lower centering column 2 drive the upper positioning head 3 and the lower positioning head 4 to move toward the middle to clamp the inner wall between two adjacent cylinder holes of the engine cylinder block, so as to achieve vertical centering of the engine cylinder block.
The utility model reduces the alignment difficulty of the engine cylinder body blank, reduces the auxiliary time of alignment and clamping, and improves the clamping efficiency.
Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an engine cylinder body processing is with upper and lower centering mechanism, its characterized in that, includes to center pillar (1), down to center pillar (2), location head and centering actuating mechanism from top to bottom, go up all along radially seting up the locating hole on center pillar (1) and the two relative lateral walls of lower pair center pillar (2), install in the locating hole the location head, centering actuating mechanism drive from top to bottom go up to center pillar (1) and down to the location head on center pillar (2) press from both sides tightly in opposite directions in step or keep away from each other mutually.
2. The vertical centering mechanism for processing the engine block according to claim 1, the up-down centering driving mechanism comprises an upper main guide part (5) and a lower main guide part (6), the upper pair of middle columns (1) and the lower pair of middle columns (2) are provided with main guide holes along the axial direction, the upper main guide (5) and the lower main guide (6) are respectively installed in the main guide holes of the upper pair of center pillars (1) and the lower pair of center pillars (2), the positions of the upper main guide part (5) and the lower main guide part (6) which are matched with the positioning holes are provided with inclined push surfaces, a guide rail (11) is arranged on the inclined push surface, a guide groove (12) matched with the guide rail (11) is arranged at the end part of the positioning head, the axis of the guide rail (11) is positioned in a plane determined by the axis of the upper main guide piece (5) and the axis of the lower main guide piece (6).
3. The upper and lower centering mechanism for processing the engine block as claimed in claim 2, wherein the upper and lower centering driving mechanism further comprises a synchronizing block (7) and a linear cylinder (8), the upper main guide member (5) and the lower main guide member (6) are connected together through the synchronizing block (7), and a piston rod of the linear cylinder (8) is connected with the synchronizing block (7).
4. The vertical centering mechanism for machining the engine block as claimed in any one of claims 2 to 3, wherein the guide rail (11) is a dovetail boss, the guide groove (12) is a dovetail groove, and the positioning head is slidably mounted on the dovetail boss of the upper main guide (5) or the lower main guide (6) through the dovetail groove.
5. The vertical centering mechanism for machining the engine cylinder block is characterized in that the guide rail (11) is a T-shaped boss, the guide groove (12) is a T-shaped groove, and the positioning head is slidably mounted on the T-shaped boss of the upper main guide piece (5) or the lower main guide piece (6) through the T-shaped groove.
6. The vertical centering mechanism for processing the engine block as claimed in claim 2, wherein the positioning hole formed on the upper centering column (1) and the positioning hole formed on the lower centering column (2) are coaxially arranged.
7. The vertical centering mechanism for machining the engine block as claimed in claim 1, wherein the upper and lower center pillars (1, 2) are provided with end caps (9), and the end caps (9) are provided with conical surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220682496.5U CN216940327U (en) | 2022-03-25 | 2022-03-25 | Upper and lower centering mechanism for engine cylinder block machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220682496.5U CN216940327U (en) | 2022-03-25 | 2022-03-25 | Upper and lower centering mechanism for engine cylinder block machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216940327U true CN216940327U (en) | 2022-07-12 |
Family
ID=82299758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220682496.5U Active CN216940327U (en) | 2022-03-25 | 2022-03-25 | Upper and lower centering mechanism for engine cylinder block machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216940327U (en) |
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2022
- 2022-03-25 CN CN202220682496.5U patent/CN216940327U/en active Active
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