CN208438009U - A kind of steel piston draw-bore positioning fixture - Google Patents
A kind of steel piston draw-bore positioning fixture Download PDFInfo
- Publication number
- CN208438009U CN208438009U CN201821146989.7U CN201821146989U CN208438009U CN 208438009 U CN208438009 U CN 208438009U CN 201821146989 U CN201821146989 U CN 201821146989U CN 208438009 U CN208438009 U CN 208438009U
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- CN
- China
- Prior art keywords
- positioning pin
- oil cylinder
- locating bodies
- spring
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of steel piston draw-bore positioning fixture, including pedestal, compressing cylinder is provided with by branch on pedestal, pedestal is equipped with oil cylinder seat, and oil cylinder seat is equipped with locating bodies, and pedestal is equipped with fixture, oil cylinder seat has push oil cylinder, push rod is set in piston rod end, and stop collar is set on push rod, and connection has elastic component between stop collar and push oil cylinder；Locating bodies are equipped with X to through-hole, and X sets that there are two X into through-hole to positioning pin, and two X are equipped with resetting apparatus to positioning pin；Locating bodies four corners are equipped with Y-direction positioning pin, and vertical pin is equipped under four Y-direction positioning pins, and four vertical pins are connect with stop collar, and vertical pin and Y-direction positioning pin contact portion are scarf；It is connected with limit plate at the top of locating bodies, is equipped with Z-direction positioning pin at the top of locating bodies.The utility model can realize automatic positioning from tri- directions X, Y, Z, it is ensured that positioning accuracy, it is easy to operate, and improve the working efficiency of drawbore fixture.
Description
Technical field
The utility model relates to Piston Machining technical fields, and in particular to a kind of steel piston drawbore positioning fixture.
Background technique
The piston draw-bore fixture positioning system structure used in the pin hole process of existing piston is simple, operates numerous
It is trivial, it cannot achieve automatic positioning, location efficiency is low, so as to cause processing efficiency is low, in a disguised form increases processing cost.For this
Disadvantage, the utility model provide a kind of high efficiency positioning system, improve the working efficiency of draw-bore fixture.
Utility model content
In order to overcome drawbacks described above, the utility model provides a kind of steel piston draw-bore positioning fixture, including bottom
Seat, the pedestal are equipped with bracket, and the bracket is equipped with upper compressing cylinder straight down, and upper compressing cylinder piston rod end is equipped with
Pressing element compatible with piston profile, the pedestal immediately below the upper compressing cylinder are equipped with oil cylinder seat, set above the oil cylinder seat
There are locating bodies, the locating bodies top is boss, and boss diameter is less than piston cavity diameter, the locating bodies and oil
A cylindrical chamber is formed between cylinder seat, is equipped with stop collar and push rod in the chamber, the oil cylinder seat has push oil cylinder,
The push oil cylinder piston rod end is protruded into chamber, and the push rod is set in piston rod end, and the stop collar is set in push rod
On, connection has elastic component between the stop collar and oil cylinder seat；The locating bodies be equipped with X to through-hole, the X is to logical
Symmetrically arranged X is equipped with resetting apparatus, the push rod end to positioning pin to positioning pin, two X there are two setting in hole
X is protruded into through-hole and with two X to positioning limit pin contacts across stop collar, the push rod top is taper, and X is to positioning pin tail
End is scarf；The locating bodies four corners are equipped with groove, and Y-direction positioning pin, each Y-direction positioning are equipped in each groove
There are gap in pin and the tail portion of respective slot, vertical pin are equipped under four Y-direction positioning pins, four vertical pins are across positioning sheet
Body is connect with stop collar, and the vertical pin and Y-direction positioning pin contact portion are scarf；Pass through spiral shell at the top of the locating bodies
Nail is connected with limit plate, is equipped with 3 Z-direction positioning pins at the top of the locating bodies.
Further, the elastic element includes spring B and spring pocket, and the spring B is set on push rod, the spring
Spring pocket is equipped between B and oil cylinder seat, spring B bottom is connect with spring pocket.
Further, the resetting apparatus includes spring A and baffle ring, and the baffle ring is set in X to positioning pin end, and position
In in locating bodies, the spring A is set in X on positioning pin, and the one end spring A is fixedly connected with baffle ring, and the other end is fixed on X
To on positioning pin, through-hole both ends exit is fixed with snap ring, and Snap ring diameter is less than baffle ring diameter and straight to positioning pin greater than X
Diameter.
Further, the vertical pin and stop collar are fixed by jackscrew.
Further, the pedestal is equipped with chip space, and the chip space is inclined at the front and rear part of locating bodies.
X is completed to positioning from push oil cylinder, push rod, X to detent fit, and push oil cylinder piston rod moves up, and push rod is pushed to move up,
The conical surface on push rod top pushes two X mobile to realize X to positioning to the equidistant descriscent two sides of positioning pin, and elastic element is for making
X is resetted to positioning pin, and fixture block moves out through-hole for anti-baffle ring；
Y-direction positioning is completed with Y-direction limit plate, positioning pin, vertical pin, stop collar and spring B, and piston is mounted on positioning
After on ontology, 4 Y-direction positioning pins are contacted with piston cavity side wall respectively, and the tail portion of each Y-direction positioning pin and respective slot has
Gap, it is ensured that activity space of the Y-direction positioning pin in groove is inwardly retracted by piston side wall along Y-direction, limit plate is set
It sets and is moved in Z-direction for limiting Y-direction positioning pin, 4 Y-direction positioning pins cooperate with 4 vertical pins respectively, keep stop collar whole
Body moves down, simultaneously because the effect of spring B, Y-direction positioning pin is contacted with piston cavity side wall always, realizes Y-direction positioning；
Z-direction positioning is completed by upper compressing cylinder, pressing element and Z-direction detent fit, and upper pressure oil cylinder piston rod moves down, and pressing element is pushed down
Piston guarantees that the bottom surface of piston is contacted with three Z-direction positioning pins 18, realizes Z-direction positioning.
The beneficial effects of the utility model are: the utility model can realize positioning from tri- directions X, Y, Z, it is ensured that positioning accurate
Degree, it is easy to operate, improve the working efficiency of drawbore fixture.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model；
Fig. 2 is the schematic view of the front view of the utility model；
Fig. 3 is A-A figure in Fig. 2；
Fig. 4 is enlarged drawing at M in Fig. 2；
Fig. 5 is enlarged drawing at N in Fig. 3.
In figure: pedestal 1, bracket 2, upper compressing cylinder 3, fixture 4, locating bodies 5, oil cylinder seat 6, pressing element 7, push oil cylinder 8, push rod
9, stop collar 10, X is to positioning pin 11, spring B 12, spring pocket 13, Z-direction positioning pin 14, positioning plate 15, screw 16, vertical pin 17,
Jackscrew 18, Y-direction positioning pin 19, spring A20, baffle ring 21, piston 22, chip space 23.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
One kind as Figure 1-Figure 5 includes pedestal 1, and pedestal 1 is equipped with bracket 2, and bracket 2 is equipped with straight down upper
Compressing cylinder 3, upper 3 piston rod end of compressing cylinder are equipped with pressing element 7 compatible with piston profile, the pedestal immediately below upper compressing cylinder 3
Upper 1 is equipped with oil cylinder seat 6, locating bodies 5 is equipped with above oil cylinder seat 6,5 top of locating bodies is boss, and boss diameter is less than work
Fill in intracavity diameter, form a cylindrical chamber between locating bodies 5 and oil cylinder seat 6, be equipped in chamber stop collar 10, push rod 9,
Spring pocket 13 and spring B 12, oil cylinder seat 6 have push oil cylinder 8, and 8 piston rod end of push oil cylinder is protruded into chamber, 9 one end of push rod
It is set in piston rod end, stop collar 10 is set on push rod 9, and 10 bottom edge of stop collar is connect with spring B 12, and spring B 12 is same
Sample is set on push rod 9, and spring pocket 13 is equipped between spring B 12 and oil cylinder seat 6, and 12 bottom of spring B is connect with piston bush 13, fixed
Position ontology 5 be equipped with X to through-hole, X sets that there are two symmetrically arranged X into through-hole to positioning pin 11, and two X are to positioning pin 11
On be arranged with spring A20, two X are equipped with baffle ring 21 to 11 end sleeve of positioning pin, and the one end spring A11 is connect with baffle ring 21, another
End and X are connected to positioning pin 11, and through-hole both ends exit is fixed with snap ring, Snap ring diameter be less than 21 diameter of baffle ring and be greater than X to
11 diameter of positioning pin, 9 end of push rod pass through stop collar 10 and protrude into X to through-hole, and 9 top of push rod is taper, and X is to 11 tail end of positioning pin
For scarf；5 four corners of locating bodies are equipped with groove, are equipped with Y-direction positioning pin 19 in each groove, each Y-direction positioning pin 19 with
There is gap in the tail portion of respective slot, and vertical pin 17 is equipped under four Y-direction positioning pins 19, and four vertical pins 17 pass through locating bodies
5 protrude into stop collar 10, and vertical pin 17 is fixed by jackscrew 18 with stop collar 10, vertical pin 17 and 19 contact portion of Y-direction positioning pin
For scarf；Limit plate 15 is connected with by screw 16 at the top of locating bodies 5, is equipped with 3 Z-direction positioning pins at the top of locating bodies 5
14；Pedestal is equipped with chip space 23, and chip space 23 is inclined at the front and rear part of locating bodies 5.
When in use, piston 22 is buckled on locating bodies 5, and upper compressing cylinder 3 acts, and pressing element 7 pushes down piston 22, guarantees to live
Fill in 22 inner chamber bottom surfaces contacted with 3 Z-direction positioning pins 14 realize Z-direction positioning, 4 Y-direction positioning pins 19 respectively with 22 lumen side of piston
Wall contact, and by 22 sidewall extrusion of piston, it inwardly retracts along the Y direction, so that 4 vertical pins 17 be made to drive stop collar 10 whole
It moves down, due to the effect of spring B 12, Y-direction positioning pin 19 is contacted with 22 intracavity sidewall of piston always, realizes Y-direction positioning；With this
Meanwhile 8 piston of push oil cylinder moves up, and push rod 9 is driven to move up, the conical surface of 9 end of push rod pushes two X to the equidistant descriscent of positioning pin 11
Two sides are mobile to realize X to positioning, and upper 3 piston of compressing cylinder moves up after completing processing, and 8 piston of push oil cylinder moves down, and removes piston
22, X reset to positioning pin 11 by spring A20, and Y-direction positioning pin 19 is rebounded by spring B 12.
The limitation that the technical solution of the utility model is not limited to the above specific embodiments, all skills according to the present utility model
The technology deformation that art scheme is made, each falls within the protection scope of the utility model.
Claims (5)
1. a kind of steel piston draw-bore positioning fixture, which is characterized in that including pedestal, the pedestal is equipped with bracket, institute
Bracket is stated equipped with upper compressing cylinder straight down, upper compressing cylinder piston rod end is equipped with pressing element compatible with piston profile,
Pedestal immediately below the upper compressing cylinder is equipped with oil cylinder seat, is equipped with locating bodies, the locating bodies above the oil cylinder seat
Top is boss, and boss diameter is less than piston cavity diameter, formed between the locating bodies and oil cylinder seat one it is cylindrical
Chamber, the chamber is interior to be equipped with stop collar and push rod, and the oil cylinder seat has push oil cylinder, and the push oil cylinder piston rod end is stretched
Enter in chamber, the push rod is set in piston rod end, and the stop collar is set on push rod, the stop collar and oil cylinder seat it
Between connect and have elastic component；The locating bodies be equipped with X to through-hole, the X sets into through-hole there are two symmetrically arranged X
To positioning pin, two X are equipped with resetting apparatus to positioning pin, and the push rod end passes through stop collar and protrudes into X to through-hole simultaneously
With two X to positioning limit pin contacts, the push rod top is taper, X to positioning pin tail end be scarf；The locating bodies
Four corners are equipped with groove, are equipped with Y-direction positioning pin in each groove, between the tail portion of each Y-direction positioning pin and respective slot has
Gap is equipped with vertical pin under four Y-direction positioning pins, and four vertical pins are connect across locating bodies with stop collar, described perpendicular
Selling directly to households with Y-direction positioning pin contact portion is scarf；Limit plate, limit plate have been connected by screw at the top of the locating bodies
It covers groove limitation Y-direction positioning pin to move in Z-direction, 3 Z-direction positioning pins is equipped at the top of the locating bodies.
2. a kind of steel piston draw-bore positioning fixture according to claim 1, which is characterized in that the elastic element
Including spring B and spring pocket, the spring B is set on push rod, and spring pocket, spring B are equipped between the spring B and oil cylinder seat
Bottom is connect with spring pocket.
3. a kind of steel piston draw-bore positioning fixture according to claim 1, which is characterized in that the resetting apparatus
Including spring A and baffle ring, the baffle ring is set in X to positioning pin end, and is located in locating bodies, and the spring A is set in X
To on positioning pin, the one end spring A is fixedly connected with baffle ring, and the other end is fixed on X on positioning pin, through-hole both ends exit
It is fixed with snap ring, Snap ring diameter is less than baffle ring diameter and is greater than X to positioning pin diameter.
4. a kind of steel piston draw-bore positioning fixture according to claim 1, which is characterized in that the vertical pin with
Stop collar is fixed by jackscrew.
5. a kind of steel piston draw-bore positioning fixture according to claim 1, which is characterized in that set on the pedestal
There is chip space, the chip space is inclined at the front and rear part of locating bodies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821146989.7U CN208438009U (en) | 2018-07-19 | 2018-07-19 | A kind of steel piston draw-bore positioning fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821146989.7U CN208438009U (en) | 2018-07-19 | 2018-07-19 | A kind of steel piston draw-bore positioning fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208438009U true CN208438009U (en) | 2019-01-29 |
Family
ID=65085514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821146989.7U Withdrawn - After Issue CN208438009U (en) | 2018-07-19 | 2018-07-19 | A kind of steel piston draw-bore positioning fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208438009U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108705353A (en) * | 2018-07-19 | 2018-10-26 | 中原内配集团智能装备有限公司 | A kind of steel piston draw-bore positioning fixture |
-
2018
- 2018-07-19 CN CN201821146989.7U patent/CN208438009U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108705353A (en) * | 2018-07-19 | 2018-10-26 | 中原内配集团智能装备有限公司 | A kind of steel piston draw-bore positioning fixture |
| CN108705353B (en) * | 2018-07-19 | 2023-09-19 | 中原内配集团智能装备有限公司 | Positioning fixture for steel piston drilling holes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190129 Effective date of abandoning: 20230919 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190129 Effective date of abandoning: 20230919 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |