CN204171747U - The fixture of boring connecting rod small end hole - Google Patents
The fixture of boring connecting rod small end hole Download PDFInfo
- Publication number
- CN204171747U CN204171747U CN201420656196.5U CN201420656196U CN204171747U CN 204171747 U CN204171747 U CN 204171747U CN 201420656196 U CN201420656196 U CN 201420656196U CN 204171747 U CN204171747 U CN 204171747U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- positioning sleeve
- hole
- baffle plate
- small end
- Prior art date
- 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
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- Drilling And Boring (AREA)
Abstract
A kind of fixture of boring connecting rod small end hole comprises the substrate (1) be fixed on boring machine, baffle plate (2) is vertically fixed with at substrate, gripper shoe (3), top board (4) is provided with between baffle plate and gripper shoe, the pneumatic element (5) of top board is driven to arrange on the supporting plate, the both ends of the surface of connecting rod (6) microcephaly are clamped between baffle plate and top board, a positioning sleeve that can take out (8) is inserted with in the first hole of small end of connecting rod, pass from the hole of baffle plate positioning sleeve one end fits, the positioning sleeve other end is inserted in first hole, conehead (9) is provided with in positioning sleeve, on conehead, conical sections props up steel ball (12), steel ball props up the inwall in just hole, with this, connecting rod small end hole is located.This fixture is to first hole registration, firm, easy to loading and unloading to connecting rod clamping.Described detent mechanism during bore hole, can insert in the first hole of connecting rod, shortens the clamping time, improve boring machine operating efficiency.
Description
Technical field
The utility model relates to a kind of fixture of boring connecting rod small end hole, and it comprises baffle plate and top board, and top board is driven by a pneumatic element, and the both ends of the surface of small end of connecting rod are clamped between baffle plate and top board.
Background technology
The several leading procedure work of the processing of the connecting rod of internal combustion engine is that milling small end of connecting rod both ends of the surface, the hole of boring small end of connecting rod are (for statement is convenient, this hole of boring is hereinafter referred to as first hole), back to back operation is boring connecting rod small end hole, for bore hole is convenient and registration, need the fixture manufacturing a kind of boring connecting rod small end hole.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of fixture of boring connecting rod small end hole, this fixture registration, the required precision that can meet boring connecting rod small end hole easy to loading and unloading.
The fixture of boring connecting rod small end hole comprises the substrate 1 be fixed on boring machine, substrate is vertically fixed with baffle plate 2, gripper shoe 3, top board 4 is provided with between baffle plate and gripper shoe, the pneumatic element 5 of top board is driven to arrange on the supporting plate, two axis of guides 7 are through baffle plate, top board and gripper shoe, the both ends of the surface of connecting rod 6 microcephaly are clamped between baffle plate and top board, it is characterized in that in first hole, be inserted with a detent mechanism that can take out, described detent mechanism comprises positioning sleeve 8, pass from the hole of baffle plate positioning sleeve one end fits, the aperture of baffle plate is slightly larger than by the aperture of the good connecting rod small end hole of boring, the positioning sleeve other end is inserted in first hole, conehead 9 is provided with in positioning sleeve, on conehead, the cylindrical of barrel portion matches with the endoporus of positioning sleeve, the end face of positioning sleeve blind end is provided with the locating shaft 10 with positioning sleeve coaxial line, locating shaft is through conehead, the wall of the first bore portion of positioning sleeve insertion is provided with multiple aperture symmetrically, the steel ball 12 matched is provided with in described aperture, the two ends of steel ball are exposed from aperture, spring 11 is provided with between the cylindrical end face and the blind end end face of positioning sleeve of conehead, conical sections on conehead is made to prop up steel ball, steel ball props up the inwall in just hole.
Aperture location jacket wall holding steel ball is two to four and is preferably three.
For preventing steel ball from coming off from positioning sleeve, described conehead is made up of magnet steel, and described positioning sleeve is made up of copper product.
Insert just hole for convenience of detent mechanism, the cone gradient of conehead is 45 degree.
Take out from first hole for convenience of detent mechanism, the outer face of positioning sleeve blind end is provided with draw ring 13.
The location technology principle of this fixture to first hole is, the hole of the large excircle part of positioning sleeve, the endoporus of positioning sleeve, conehead and baffle plate is coaxial, in positioning sleeve, the tension force promotion conehead of spring moves axially, the conical sections of conehead makes each steel ball synchronously move radially to prop up the inwall in just hole, first hole is coaxial with the hole of positioning sleeve and baffle plate, realizes the location to first hole.Switch the compressed-air actuated flow direction of pneumatic element top board can be made to move be clamped between baffle plate and top board by the both ends of the surface of small end of connecting rod, connecting rod clamps backward boring head direction and extracts positioning sleeve, carries out Boring to small end of connecting rod.This fixture is to first hole registration, firm, easy to loading and unloading to connecting rod clamping.Described detent mechanism during bore hole, can insert in the first hole of connecting rod, shortens the clamping time, improve boring machine operating efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the zoomed-in view of detent mechanism in Fig. 1.
Schematic diagram when Fig. 4 is bore hole.
Accompanying drawing mark represents respectively: 1-substrate, 2-baffle plate, 3-gripper shoe, 4-top board, 5-pneumatic element, 6-connecting rod, the 7-axis of guide, 8-positioning sleeve, 9-conehead, 10-locating shaft, 11-spring, 12 steel balls, 13-draw ring, 14-falling-resistant ring, 20-cushion block, 30-boring cutter.
Detailed description of the invention
Existing accompanying drawings detailed description of the invention of the present utility model.
The fixture of boring connecting rod small end hole comprises the substrate 1 be fixed on boring machine, baffle plate 2, gripper shoe 3 is vertically fixed with at substrate, top board 4 is provided with between baffle plate and gripper shoe, top board is provided with a blind hole, the aperture of blind hole is slightly larger than by the aperture of the good connecting rod small end hole of boring, the pneumatic element 5 of top board is driven to arrange on the supporting plate, two axis of guides 7 are through baffle plate, top board and gripper shoe, the axis of guide can not play on baffle plate and gripper shoe, the both ends of the surface of connecting rod 6 microcephaly are clamped between baffle plate and top board, and the major part of connecting rod is shelved on cushion block 20.
A detent mechanism that can take out is inserted with in first hole (hole that last process bores on small end of connecting rod), described detent mechanism comprises positioning sleeve 8, pass from the hole of baffle plate positioning sleeve one end fits, the aperture of baffle plate is slightly larger than by the aperture of the good connecting rod small end hole of boring, the positioning sleeve other end is inserted in first hole, conehead 9 is provided with in positioning sleeve, on conehead, the cylindrical of barrel portion matches with the endoporus of positioning sleeve, the end face of positioning sleeve blind end is provided with the locating shaft 10 with positioning sleeve coaxial line, locating shaft is through conehead, the wall of the first bore portion of positioning sleeve insertion is provided with multiple aperture symmetrically, the steel ball 12 matched is provided with in described aperture, the two ends of steel ball are exposed from aperture, spring 11 is provided with between the cylindrical end face and the blind end end face of positioning sleeve of conehead, conical sections on conehead is made to prop up steel ball, steel ball props up the inwall in just hole.
Aperture location jacket wall holding steel ball is two to four and is preferably three.
For preventing steel ball from coming off from positioning sleeve, described conehead is made up of magnet steel, and described positioning sleeve and locating shaft are made up of copper product, and after positioning sleeve is extracted from first hole, steel ball is held by the magnetic force of magnet steel.
To come off from positioning sleeve for preventing steel ball and also at positioning sleeve cylindrical, one falling-resistant ring 14(can be set see Fig. 3), falling-resistant ring is positioned at the aperture edge holding steel ball, and the hypotenuse on falling-resistant ring stretches to steel ball, falling-resistant ring by gland on positioning sleeve.
Insert just hole for convenience of detent mechanism, the cone gradient of conehead is 40 degree to 50 degree, is preferably 45 degree.
Take out from first hole for convenience of detent mechanism, the outer face of positioning sleeve blind end is provided with draw ring 13, and the outer face of positioning sleeve blind end can be holded up or be flattened on to draw ring.
The using method of this fixture is, first the little external diameter end of positioning sleeve is inserted in the first hole of connecting rod, small end of connecting rod is put between baffle plate and top board, the large external diameter end of positioning sleeve is injected in the hole of baffle plate, controlling pneumatic element drives top board to make small end of connecting rod be clamped between baffle plate and top board, extracts positioning sleeve (see Fig. 4), boring cutter 30 is rotated and carries out Boring, process finishing controls pneumatic element makes top board return, and takes off connecting rod.
Claims (6)
1. the fixture of a boring connecting rod small end hole comprises the substrate (1) be fixed on boring machine, substrate is vertically fixed with baffle plate (2), gripper shoe (3), top board (4) is provided with between baffle plate and gripper shoe, the pneumatic element (5) of top board is driven to arrange on the supporting plate, two axis of guides (7) are through baffle plate, top board and gripper shoe, the both ends of the surface of connecting rod (6) microcephaly can be clamped between baffle plate and top board, it is characterized in that being inserted with a detent mechanism that can take out in the first hole of small end of connecting rod, described detent mechanism comprises positioning sleeve (8), pass from the hole of baffle plate positioning sleeve one end fits, the aperture of baffle plate is slightly larger than by the aperture of the good connecting rod small end hole of boring, the positioning sleeve other end is inserted in first hole, conehead (9) is provided with in positioning sleeve, on conehead, the cylindrical of barrel portion matches with the endoporus of positioning sleeve, the end face of positioning sleeve blind end is provided with and the locating shaft of positioning sleeve coaxial line (10), locating shaft is through conehead, the wall of the first bore portion of positioning sleeve insertion is provided with multiple aperture symmetrically, the steel ball (12) matched is provided with in described aperture, the two ends of steel ball are exposed from aperture, spring (11) is provided with between the cylindrical end face and the blind end end face of positioning sleeve of conehead, conical sections on conehead is made to prop up steel ball, steel ball props up the inwall in just hole.
2. the fixture of boring connecting rod small end hole according to claim 1, is characterized in that, aperture location jacket wall holding steel ball is three.
3. the fixture of boring connecting rod small end hole according to claim 1, is characterized in that, the cone gradient of conehead is 45 degree.
4. the fixture of the boring connecting rod small end hole according to Claims 2 or 3, it is characterized in that, described conehead is made up of magnet steel, described positioning sleeve is made up of copper product.
5. the fixture of the boring connecting rod small end hole according to Claims 2 or 3, is characterized in that, positioning sleeve cylindrical arranges a falling-resistant ring (14), and falling-resistant ring is positioned at the aperture edge holding steel ball, and the hypotenuse on falling-resistant ring stretches to steel ball.
6. the fixture of the boring connecting rod small end hole according to Claims 2 or 3, is characterized in that, the outer face of positioning sleeve blind end is provided with draw ring (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420656196.5U CN204171747U (en) | 2014-11-06 | 2014-11-06 | The fixture of boring connecting rod small end hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420656196.5U CN204171747U (en) | 2014-11-06 | 2014-11-06 | The fixture of boring connecting rod small end hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204171747U true CN204171747U (en) | 2015-02-25 |
Family
ID=52560583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420656196.5U Expired - Fee Related CN204171747U (en) | 2014-11-06 | 2014-11-06 | The fixture of boring connecting rod small end hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204171747U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107234667A (en) * | 2017-07-05 | 2017-10-10 | 嘉善县飞虹钮扣厂 | A kind of button boring equipment |
-
2014
- 2014-11-06 CN CN201420656196.5U patent/CN204171747U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107234667A (en) * | 2017-07-05 | 2017-10-10 | 嘉善县飞虹钮扣厂 | A kind of button boring equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150225 Termination date: 20151106 |
|
| EXPY | Termination of patent right or utility model |