CN214024583U - Fixture for processing engine connecting rod junction surface - Google Patents
Fixture for processing engine connecting rod junction surface Download PDFInfo
- Publication number
- CN214024583U CN214024583U CN202022341143.2U CN202022341143U CN214024583U CN 214024583 U CN214024583 U CN 214024583U CN 202022341143 U CN202022341143 U CN 202022341143U CN 214024583 U CN214024583 U CN 214024583U
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- CN
- China
- Prior art keywords
- connecting rod
- block
- bottom plate
- clamping
- positioning
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 238000003754 machining Methods 0.000 claims abstract description 9
- 208000004141 microcephaly Diseases 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a processing engine connecting rod anchor clamps for faying face, rotate bottom plate, four positioning element and four clamping mechanism of being connected including the fixing base, with the fixing base. Two positioning components and two clamping mechanisms are arranged on one side of the bottom plate, and the other two positioning components and the other two clamping mechanisms are arranged on the other side of the bottom plate in a way that the centers of the two positioning components and the two clamping mechanisms rotate 180 degrees; the positioning component comprises a cushion block connected to the bottom plate through a bolt, a positioning column and a pressing plate located above the cushion block, a positioning block is arranged between the two cushion blocks, the positioning block and the positioning column are both connected to the bottom plate through bolts, the double-headed screw penetrates through the pressing block and the cushion block in sequence and then is in threaded connection to the bottom plate, and the two clamping mechanisms are located on the outer sides of the two cushion blocks. The utility model is suitable for a connecting rod lid and connecting rod body process the faying face together, guarantee the plane degree of faying face, and the machining precision is high, and a plurality of products of the workable of clamping have improved machining efficiency, compact structure, convenient to install and dismantle.
Description
Technical Field
The utility model relates to a connecting rod adds clamping apparatus technical field, especially relates to a processing engine connecting rod anchor clamps for faying face.
Background
The connecting rod of the engine is an important transmission part, the connecting rod transmits expansion pressure acting on the top surface of the piston to the crankshaft, and the crankshaft drives the piston to compress gas in the cylinder, so that the requirement on the machining precision of the connecting rod is high. The connecting rod mainly comprises a connecting rod body and a connecting rod cover which are connected together through a bolt. The processing precision of the joint surface of the connecting rod and the connecting rod cap affects the joint strength of the connecting rod after the connecting rod is integrally assembled, so the processing precision of the joint surface needs to be ensured during processing. At present, the milling processing of the joint surface of the connecting rod body and the connecting rod cap is generally to clamp the connecting rod body and the connecting rod cap manually through a universal clamp, and to compress the connecting rod body and the connecting rod cap by a pressing plate, so as to mill the joint surface of the connecting rod body and the connecting rod cap together. The clamping mode has the problems of inaccurate fixing and positioning, low machining precision, low working efficiency and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a processing engine connecting rod anchor clamps for faying face to solve the inaccurate and low technical problem of machining precision of fixed positioning who exists among the prior art.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: a fixture for processing a connecting rod joint surface of an engine comprises a fixed seat, a bottom plate, four positioning members and four clamping mechanisms, wherein the bottom plate is arranged on the fixed seat and is rotationally connected with the fixed seat;
the locating component comprises a cushion block which is connected with the bottom plate through bolts and used for placing a connecting rod cover, a locating column which is used for placing a small end hole of the connecting rod body, and a pressing plate which is located above the cushion block and used for vertically pressing the connecting rod body and the connecting rod cover, wherein a locating block which is used for locating the side faces of the connecting rod body and the connecting rod cover is arranged between the two cushion blocks, the locating block and the locating column are connected to the bottom plate through bolts, a long-strip-shaped bolt hole is formed in the center of the pressing plate, the double-head screw rod penetrates through the long-strip-shaped bolt hole and the cushion block in sequence and then is connected to the bottom plate through threads, and the two clamping mechanisms are located outside the two cushion blocks.
Further, clamping mechanism includes the guide block of using bolted connection L shape base, bolted connection on the bottom plate at the base bottom, with the vertical portion threaded connection's of base clamping screw and be used for pressing from both sides the tight piece of the tight connecting rod body 4 and connecting rod lid 14 of clamp, clamping screw one end can be dismantled with pressing from both sides tight piece and be connected, the clamping screw other end passes the vertical portion of base and links to each other with the handle, press from both sides tight piece and guide block sliding connection.
Furthermore, the clamping block is of a vertical long strip-shaped structure, the upper side and the lower side of the clamping block are provided with protruding parts used for transversely clamping the connecting rod body and the connecting rod cover, and the bottom of the clamping block is provided with a groove used for slidably connecting the guide block.
Furthermore, a through hole for penetrating through the double-end screw is formed in the cushion block, a convex block is arranged on one side, close to the positioning block, of the cushion block, a convex block is also arranged on the opposite side of the cushion block, and the two convex blocks are used for positioning the rear side face of the connecting rod cover.
Furthermore, the first half of reference column is for being used for the rhombus structure of connecting rod body microcephaly hole location, and the latter half of reference column is cylindricly, and the higher authority of the latter half of reference column is used for placing connecting rod body microcephaly end bottom surface.
According to the technical scheme, the beneficial effects of the utility model are that:
the clamp provided by the utility model is a special clamp, is suitable for processing the joint surface of the connecting rod cover and the connecting rod body together, can process two connecting rod covers and the connecting rod body on one side, and ensures the flatness of the joint surface; the positioning component and the clamping mechanism which are designed in a customized way are adopted, so that the processing precision is high; the bottom plate can process two connecting rod covers and a connecting rod body on the other side after rotating for 180 degrees around the fixing seat, a plurality of products can be processed by one-time clamping, the processing efficiency is improved, the structure is compact, and the installation and the disassembly are convenient.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front view of a part of the structure of the present invention;
FIG. 3 is a rear view of the present invention;
fig. 4 is a left side view structural schematic diagram of the clamping mechanism of the present invention.
The labels in the figure are: 1. the device comprises a pressing plate, 2, a fixing seat, 3, a bottom plate, 4, a connecting rod body, 5, a positioning column, 6, a handle, 7, a base, 8, a clamping block, 9, a double-head screw rod, 10, a positioning block, 11, a cushion block, 12, a guide block, 13, a clamping screw rod, 14 and a connecting rod cover.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-4, a fixture for processing a joint surface of an engine connecting rod comprises a fixed base 2, a bottom plate 3 which is arranged on the fixed base 2 and is rotatably connected with the fixed base 2, four positioning members for positioning a connecting rod body 4 and a connecting rod cover 14, and four clamping mechanisms which are detachably connected on the bottom plate 3 and are used for clamping the connecting rod body 4 and the connecting rod cover 14.
Two positioning components and two clamping mechanisms are arranged on one side of the bottom plate 3, and the other two positioning components and two clamping mechanisms are arranged on the other side of the bottom plate 3 in a way of rotating 180 degrees in the center. At first, the fixed seat 2 is installed on the processing machine tool and then the two connecting rod bodies 4 and the connecting rod cover 14 on one side are processed, then the bottom plate 3 is locked after rotating for 180 degrees around the fixed seat 2, and the two connecting rod bodies 4 and the connecting rod cover 14 on the other side are processed.
The locating component comprises a cushion block 11 which is connected with the bottom plate 3 through bolts and used for placing a connecting rod cover 14, a locating column 5 which is used for placing a small-end hole of a connecting rod body 4, and a pressing plate 1 which is located above the cushion block 11 and used for vertically pressing the connecting rod body 4 and the connecting rod cover 14, wherein a locating block 10 which is used for locating the side faces of the connecting rod body 4 and the connecting rod cover 14 is arranged between the two cushion blocks 11, the locating block 10 and the locating column 5 are connected with the bottom plate 3 through bolts, a long-strip-shaped bolt hole is formed in the center of the pressing plate 1, and a double-head screw 9 is connected with the bottom plate 3 through threads after sequentially passing through the long-strip-shaped bolt hole and the cushion block 11.
The cushion block 11 is provided with a through hole for penetrating through the double-thread screw 9, one side of the cushion block 11 close to the positioning block 10 is provided with a convex block, the opposite side of the cushion block is also provided with a convex block, and the two convex blocks are used for positioning the rear side of the connecting rod cover 14. The upper half part of the positioning column 5 is of a diamond structure for positioning the small end hole of the connecting rod body 4, the lower half part of the positioning column 5 is cylindrical, and the upper surface of the lower half part of the positioning column 5 is used for placing the bottom surface of the small end hole of the connecting rod body 4.
The connecting rod cover 14 is horizontally placed on the cushion block 11, the rear side face of the connecting rod cover 14 is in contact with the short side face of the bump of the cushion block 11, and the inner side face of the connecting rod cover 14 is in contact with the positioning block 10, so that the positioning of the connecting rod cover 14 is realized; the big end of the connecting rod body 4 is placed on the connecting rod cover 14, the inner side surface of the connecting rod body 4 is in contact with the positioning block 10, and the small end hole of the connecting rod body 4 is positioned through the positioning column 5, so that the positioning of the connecting rod body 4 is realized; and the nut on the double-end screw is screwed down, so that the pressing plate 1 positioned on the connecting rod body 4 vertically presses the connecting rod body 4 and the connecting rod cover 14.
Two clamping mechanisms are arranged on the outer sides of the two cushion blocks 11, and the clamping mechanisms are used for transversely clamping the two connecting rod bodies 4 and the connecting rod covers 14. The clamping mechanism comprises an L-shaped base 7 connected onto the bottom plate 3 through a bolt, a guide block 12 connected onto the bottom of the base 7 through a bolt, a clamping screw 13 in threaded connection with the side face of the base 7, and a clamping block 8 used for clamping the connecting rod body 4 and the connecting rod cover 14, one end of the clamping screw 13 is detachably connected with the clamping block 8, the other end of the clamping screw 13 penetrates through the vertical portion of the base 7 to be connected with the handle 6, and the clamping block 8 is in sliding connection with the guide block 12.
The clamping block 8 is of a vertical long strip-shaped structure, the upper side and the lower side of the clamping block 8 are provided with protruding parts used for transversely clamping the connecting rod body 4 and the connecting rod cover 14, and the bottom of the clamping block 8 is provided with a groove used for slidably connecting the guide block 12. The handles at two sides are rotated to enable the clamping block 8 to move inwards until the inner side surfaces of the two convex parts of the clamping block 8 are contacted with the outer side surfaces of the connecting rod body 4 and the connecting rod cover 14, so that the two connecting rod bodies 4 and the connecting rod cover 14 are transversely clamped.
The utility model discloses a theory of operation does:
the utility model discloses when using, place connecting rod cover 14 on cushion 11, the 4 big head ends of the connecting rod body are placed on connecting rod cover 14, and the medial surface of connecting rod cover 14 and connecting rod body 4 contacts with locating piece 10, and the microcephaly hole of the connecting rod body 4 passes reference column 5 first half. The nut on the double-end screw 9 is screwed down by the nut, so that the pressure plate 1 vertically presses the connecting rod body 4 and the connecting rod cover 14, and the clamping block 8 transversely clamps the connecting rod body 4 and the connecting rod cover 14 by rotating the handle. After the processing of the joint surfaces of the two connecting rod bodies 4 and the connecting rod cover 14 on one side is finished, the bottom plate 3 rotates around the fixed seat 2 for 180 degrees and then is locked, and the two connecting rod bodies 4 and the connecting rod cover 14 on the other side are processed.
It should be noted that the above embodiments are only used for illustrating the present invention, but the present invention is not limited to the above embodiments, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention all fall into the protection scope of the present invention.
Claims (5)
1. The utility model provides a processing engine connecting rod anchor clamps for faying face which characterized in that: the clamping device comprises a fixed seat (2), a bottom plate (3) which is arranged on the fixed seat (2) and is rotationally connected with the fixed seat (2), four positioning components for positioning a connecting rod body (4) and a connecting rod cover (14) and four clamping mechanisms which are detachably connected to the bottom plate (3) and are used for transversely clamping the connecting rod body (4) and the connecting rod cover (14), wherein the two positioning components and the two clamping mechanisms are arranged on one side of the bottom plate (3), and the other two positioning components and the two clamping mechanisms are arranged on the other side of the bottom plate (3) in a way that the centers rotate 180 degrees;
the locating component comprises a cushion block (11) which is connected with the bottom plate (3) through bolts and used for placing a connecting rod cover (14), a locating column (5) which is used for placing a small end hole of a connecting rod body (4) and a pressing plate (1) which is located above the cushion block (11) and used for vertically pressing the connecting rod body (4) and the connecting rod cover (14), a locating block (10) which is used for locating the side face of the connecting rod body (4) and the side face of the connecting rod cover (14) is arranged between the two cushion blocks (11), the locating block (10) and the locating column (5) are connected onto the bottom plate (3) through bolts, a long-strip-shaped bolt hole is formed in the center of the pressing plate (1), the double-headed screw (9) penetrates through the long-strip-shaped bolt hole and the cushion block (11) in sequence and then is connected onto the bottom plate (3) through threads, and the two clamping mechanisms are located on the outer sides of the two cushion blocks (11).
2. The jig for machining the joint surface of the engine connecting rod as set forth in claim 1, wherein: clamping mechanism includes guide block (12) of L shape base (7), bolted connection on base (3) with bolted connection on base (7) bottom, with base (7) vertical portion threaded connection press from both sides tight screw rod (13) and be used for pressing from both sides tight piece (8) of tight connecting rod product, press from both sides tight screw rod (13) one end and press from both sides tight piece (8) and can dismantle and be connected, press from both sides tight screw rod (13) other end and pass base (7) vertical portion and link to each other with handle (6), press from both sides tight piece (8) and guide block (12) sliding connection.
3. The jig for machining the joint surface of the engine connecting rod as set forth in claim 2, wherein: the clamping block (8) is of a vertical long strip structure, the upper side and the lower side of the clamping block (8) are provided with protruding parts used for transversely clamping the connecting rod body (4) and the connecting rod cover (14), and the bottom of the clamping block (8) is provided with a groove used for slidably connecting the guide block (12).
4. The jig for machining the joint surface of the engine connecting rod as set forth in claim 3, wherein: the connecting rod cover is characterized in that a through hole for penetrating through the double-thread screw (9) is formed in the cushion block (11), a convex block is arranged on one side, close to the positioning block (10), of the cushion block (11), a convex block is also arranged on the opposite side of the cushion block, and the two convex blocks are used for positioning the rear side face of the connecting rod cover (14).
5. The jig for machining the joint surface of the engine connecting rod as set forth in claim 4, wherein: the upper half part of reference column (5) is for being used for the diamond-shaped structure of connecting rod body (4) microcephaly hole location, and the lower half part of reference column (5) is cylindricly, and the higher authority of the latter half of reference column (5) is used for placing connecting rod body (4) microcephaly end bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022341143.2U CN214024583U (en) | 2020-10-20 | 2020-10-20 | Fixture for processing engine connecting rod junction surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022341143.2U CN214024583U (en) | 2020-10-20 | 2020-10-20 | Fixture for processing engine connecting rod junction surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214024583U true CN214024583U (en) | 2021-08-24 |
Family
ID=77353434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022341143.2U Expired - Fee Related CN214024583U (en) | 2020-10-20 | 2020-10-20 | Fixture for processing engine connecting rod junction surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214024583U (en) |
-
2020
- 2020-10-20 CN CN202022341143.2U patent/CN214024583U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210824 |