CN209363641U - A kind of forging steel piston clamp for machining - Google Patents
A kind of forging steel piston clamp for machining Download PDFInfo
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- CN209363641U CN209363641U CN201920009741.4U CN201920009741U CN209363641U CN 209363641 U CN209363641 U CN 209363641U CN 201920009741 U CN201920009741 U CN 201920009741U CN 209363641 U CN209363641 U CN 209363641U
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Abstract
The utility model provides a kind of forging steel piston clamp for machining, is especially used for forging steel piston technical field.Including chuck, footstock is equipped in the middle part of the right-hand end of chuck, the other end center of footstock is equipped with centering push rod, is arranged with lower vee-block and upper vee-block on the right side of footstock periphery, upper vee-block is located at the right side of lower vee-block, and two sides are respectively equipped with centering head and lower centering head to the right-hand end of footstock up and down；The right-hand end of chuck is symmetrical above and below to be equipped with support backing plate, and support backing plate is equipped with the arm hydraulic cylinder matched with piston only；The mutual cooperation that the utility model passes through lower vee-block and upper vee-block, inner support withstands the inner cavity thickness skirt of piston only, to clamp piston only, and the pin hole on piston only blank is pushed down by arm hydraulic cylinder, so that workpiece is close to, so that the six-freedom degree of piston only is limited, guarantee that piston only blank is clamped, to realize that clamped one time completes all processing, guarantee machining accuracy.
Description
Technical field
The utility model relates to forging steel piston technical field, specially a kind of forging steel piston clamp for machining.
Background technique
In recent ten years, engine design, manufacturing technology are improved rapidly, and especially diesel engine is all in Xiang great Gong
Rate, high load capacity direction are developed, and reinforcing degree is continuously improved, and common aluminum piston engine has been difficult to meet the discharge of state six and has wanted
It asks, requirement of the another Jing-jin-ji region to environmental protection, is ground effectively to solve six discharge standard of engine state to thermic load, mechanical load, friction
Damage and cylinder liner cavitation etc. require, and the steel piston for substituting aluminium piston comes into being.
Steel piston product advance embodies in the following areas: steel pistons use friction welding technology, possess large scale closing
Formula height sets cooling duct, therefore has brilliant high temperature resistant property, can bear the high cylinder pressure and height of heavy-duty commercial vehicle engine
Thermic load；Friction welding (FW) steel pistons can bear the explosion pressure and 480 DEG C of highest of surface temperature of 22MPa or more, unique pin hole
Design greatly improves the high reliability of steel pistons.
Require high, flute profile complicated because of blank unstability in steel piston unique design structure, forging process, position degree and
Station skill before friction welding (FW) requires height, causes steel piston difficulty of processing very big, production efficiency is low, product high rejection rate.
The traditional machining processes of steel piston: workpiece is clamped using lathe three-claw and (or is cast out consistent with blank inner cavity
Mold core positions workpiece lumen, and every batch of need to cast one or more) outer circle, flute profile and end face --- → u-turn vehicle at turning flute profile
The characteristics of oral area outer circle and end face, this method, is exactly: secondary clamping, and outer circle has sending and receiving trace.But its shortcomings that, is: using two
Process is completed, and processing efficiency is very low, at high cost, and design basis is problematic, not can guarantee position degree, symmetry and concentricity etc.
It is required that causing workpiece rejection rate very high.
Utility model content
The purpose of this utility model is to provide a kind of forging steel piston clamp for machining, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the utility model provides the following technical solutions:
A kind of forging steel piston clamp for machining, including chuck, are equipped with footstock in the middle part of the right-hand end of chuck, footstock it is another
End center is equipped with centering push rod, is arranged with lower vee-block and upper vee-block on the right side of footstock periphery, upper vee-block is located at lower vee-block
Right side, two sides are respectively equipped with centering head and lower centering head up and down for the right-hand end of footstock.
In order to further increase a kind of using effect of forging steel piston clamp for machining, the right-hand end of chuck is symmetrical above and below to be equipped with
Backing plate is supported, support backing plate is equipped with the arm hydraulic cylinder matched with piston only.
In order to further increase a kind of using effect of forging steel piston clamp for machining, the left-hand end of chuck is equipped with connection method
Orchid, chuck are fixedly connected on process equipment by connecting flange.
In order to further increase a kind of using effect of forging steel piston clamp for machining, the structure of upper centering head and lower centering head
It is identical.
Compared with prior art, the utility model withstands piston by the mutual cooperation of lower vee-block and upper vee-block, inner support
The inner cavity thickness skirt of ontology, to clamp piston only, and pushes down the pin hole on piston only blank by arm hydraulic cylinder,
So that workpiece is close to, so that the six-freedom degree of piston only is limited, guarantee that piston only blank is clamped, to realize
Clamped one time completes all processing, guarantees machining accuracy；It is right meanwhile using the mutual cooperation of upper centering head and lower centering head
The thin skirt inner cavity self-centering of piston only guarantees that both sides machining allowance is consistent, and has been avoided that workpiece turning, ensure that work
The thin skirt concentricity of plug body improves machining accuracy.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the front view of forging steel piston clamp for machining of the utility model；
Fig. 2 is a kind of structural schematic diagram of the side view of forging steel piston clamp for machining of the utility model；
Fig. 3 is the structural schematic diagram of the top view of Fig. 2.
In figure: 1- piston only, 2- connecting flange, 3- chuck, 4- footstock, 5- support backing plate, vee-block under 6-, the upper V of 7-
Shape block, head of feeling relieved under 8-, head of feeling relieved on 9-, 10- feel relieved push rod, 11- arm hydraulic cylinder.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
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, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The technical solution of the patent is explained in further detail With reference to embodiment.
Embodiment 1
Fig. 1~3, a kind of forging steel piston clamp for machining, including chuck 3 are please referred to, is equipped in the middle part of the right-hand end of the chuck 3
Footstock 4, the other end center of the footstock 4 are equipped with centering push rod 10, are arranged with lower vee-block 6 on the right side of 4 periphery of footstock
With upper vee-block 7, the upper vee-block 7 is located at the right side of lower vee-block 6, and two sides are respectively equipped with fixed above and below the right-hand end of footstock 4
In mind 9 and lower centering head 8, the upper centering head 9 is identical with the lower centering structure of head 8, passes through lower vee-block 6 and upper vee-block
7 mutual cooperation, inner support withstands the inner cavity thickness skirt of piston only 1, to clamp piston only 1；Meanwhile utilizing upper centering head
9 and it is lower centering head 8 mutual cooperation, the thin skirt inner cavity self-centering to piston only 1, guarantee both sides machining allowance it is consistent,
And it has been avoided that workpiece turning, it ensure that the thin skirt concentricity of piston only 1, improve machining accuracy.
Embodiment 2
The present embodiment is being further described on the basis of embodiment 1, and the right-hand end of the chuck 3 is symmetrical above and below to be equipped with
Backing plate 5 is supported, the support backing plate 5 is equipped with the arm hydraulic cylinder 11 matched with piston only 1, utilizes arm hydraulic cylinder 11
The pin hole on piston only 1 is pushed down, to further limit the freedom degree of piston only 1, guarantees that piston only fits closely, has
When conducive to eliminating interrupted cut, piston only 1 shakes, and guarantees the bottom thickness dimensional machining accuracy of work piston only 1.
The left-hand end of the chuck 3 is equipped with connecting flange 2, and chuck 3 is fixedly connected on process equipment by connecting flange 2
On, guarantee the stability that chuck 3 is installed, to guarantee the stability of 1 clamping of piston only.
The working principle of the utility model, by the piston thickness skirt of 1 blank of piston only and lower vee-block 6 and upper vee-block
7 pre-contact, inner support piston only 1 push down the pin hole on 1 blank of piston only by arm hydraulic cylinder, so that workpiece is close to,
Cooperate lower vee-block 6 and upper vee-block 7, limits the six-freedom degree of 1 blank of piston only, guarantee 1 blank quilt of piston only
It clamps, starts lathe, the machining of 1 blank of Huocheng piston only completes all processing to realize clamped one time.
The innovative point of embodiment 1-2 is that, by the mutual cooperation of lower vee-block 6 and upper vee-block 7, inner support withstands piston sheet
The pin on 1 blank of piston only to clamp piston only 1, and is pushed down by arm hydraulic cylinder in the inner cavity thickness skirt of body 1
Hole, so that the six-freedom degree of piston only 1 is limited, guarantees that 1 blank of piston only is clamped so that workpiece is close to；Together
When, using the mutual cooperation of upper centering head 9 and lower centering head 8, thin skirt inner cavity self-centering to piston only 1 guarantees two
Side machining allowance is consistent, and has been avoided that workpiece turning, ensure that the thin skirt concentricity of piston only 1, improves machining accuracy.
The preferred embodiment of the patent is described in detail above, but this patent is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be under the premise of not departing from this patent objective
Various changes can be made.
Claims (4)
1. a kind of forging steel piston clamp for machining, including chuck (3), which is characterized in that be equipped with centering in the middle part of the right-hand end of chuck (3)
Seat (4), the other end center of footstock (4) are equipped with centering push rod (10), are arranged with lower vee-block on the right side of footstock (4) periphery
(6) and upper vee-block (7), upper vee-block (7) are located at the right side of lower vee-block (6), and the right-hand end of footstock (4) up and down distinguish by two sides
Equipped with upper centering head (9) and lower centering head (8).
2. a kind of forging steel piston clamp for machining according to claim 1, which is characterized in that above and below the right-hand end of chuck (3)
It is symmetrically arranged with support backing plate (5), support backing plate (5) is equipped with the arm hydraulic cylinder (11) matched with piston only (1).
3. a kind of forging steel piston clamp for machining according to claim 2, which is characterized in that the left-hand end of chuck (3) is equipped with
Connecting flange (2), chuck (3) are fixedly connected on process equipment by connecting flange (2).
4. a kind of forging steel piston clamp for machining according to claim 1, which is characterized in that above feel relieved head (9) and lower centering
The structure of head (8) is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920009741.4U CN209363641U (en) | 2019-01-04 | 2019-01-04 | A kind of forging steel piston clamp for machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920009741.4U CN209363641U (en) | 2019-01-04 | 2019-01-04 | A kind of forging steel piston clamp for machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209363641U true CN209363641U (en) | 2019-09-10 |
Family
ID=67829172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920009741.4U Active CN209363641U (en) | 2019-01-04 | 2019-01-04 | A kind of forging steel piston clamp for machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209363641U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109482921A (en) * | 2019-01-04 | 2019-03-19 | 安徽安簧机械股份有限公司 | A kind of forging steel piston clamp for machining and its processing technology |
| CN113857906A (en) * | 2021-11-18 | 2021-12-31 | 滨州博海精工机械有限公司 | Automatic special clamp for machining steel piston |
-
2019
- 2019-01-04 CN CN201920009741.4U patent/CN209363641U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109482921A (en) * | 2019-01-04 | 2019-03-19 | 安徽安簧机械股份有限公司 | A kind of forging steel piston clamp for machining and its processing technology |
| CN113857906A (en) * | 2021-11-18 | 2021-12-31 | 滨州博海精工机械有限公司 | Automatic special clamp for machining steel piston |
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