CN210060496U - Piston rod flat position processing tool - Google Patents
Piston rod flat position processing tool Download PDFInfo
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- CN210060496U CN210060496U CN201920419338.9U CN201920419338U CN210060496U CN 210060496 U CN210060496 U CN 210060496U CN 201920419338 U CN201920419338 U CN 201920419338U CN 210060496 U CN210060496 U CN 210060496U
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- bottom plate
- piston rod
- flat position
- processing tool
- position processing
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Abstract
The utility model discloses a piston rod flat position processing tool, including first bottom plate, second bottom plate and hydraulic pressure corner jar, all install down setting element and hydraulic pressure corner jar on first bottom plate and the second bottom plate, wherein, still install elastic positioning seat and length limiting plate on the first bottom plate; the elastic positioning seat is arranged between the lower positioning piece and the length limiting plate, an arc-shaped groove for placing a piston rod is formed in the lower positioning piece, pressing blocks are arranged on two rods of a rotating rod of the hydraulic corner cylinder, and after the piston rod is placed on the lower positioning piece, the hydraulic corner cylinder drives the pressing blocks to press the surface of the piston rod; the flat positioning device has the characteristics of convenience in flat positioning operation, accuracy in positioning, high machining efficiency and low machining cost.
Description
Technical Field
The utility model belongs to the technical field of the frock clamp and specifically relates to a piston rod flat position processing frock is related to.
Background
In order to match with other parts, some parts of shaft and rod parts need to be milled flat. In the prior art, the flat position of the piston rod is usually milled after being clamped by a vice, so that the efficiency is low and the process precision is difficult to ensure; the reason is that it is difficult to align parallelism when the vise mills a flat position of opposite dimensions when the face is milled. In some cases, it is difficult for a worker to ensure parallelism by simply seeing the dimensions empirically. Still another method is to use the index head to mill flat position in an indexing way, which can ensure the parallelism but can not ensure the production efficiency. In the method, due to the time of manually clamping and installing the dividing head for the chuck, only about 45-50 piston rods can be machined within 8 hours, and the production requirement is difficult to meet.
Therefore, a tool convenient for flat position processing is urgently needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a piston rod flat position processing tool which has the characteristics of convenient flat position positioning operation, accurate positioning, high processing efficiency and low processing cost; the method is realized by the following technical scheme:
a piston rod flat position processing tool comprises a first bottom plate, a second bottom plate and a hydraulic corner cylinder, wherein a lower positioning piece and the hydraulic corner cylinder are arranged on the first bottom plate and the second bottom plate respectively, and an elastic positioning seat and a length limiting plate are further arranged on the first bottom plate;
the elastic positioning seat is installed between the lower positioning piece and the length limiting plate, an arc-shaped groove used for placing a piston rod is formed in the lower positioning piece, pressing blocks are arranged on two rods of a rotating rod of the hydraulic corner cylinder, and when the piston rod is placed behind the lower positioning piece, the hydraulic corner cylinder drives the pressing blocks to press the surface of the piston rod.
Preferably, the first bottom plate and the second bottom plate are arranged on the same plane in parallel, and the first bottom plate and the second bottom plate are both provided with mounting holes and positioning grooves.
Preferably, the number of the hydraulic corner cylinders on the first bottom plate and the second bottom plate is at least two, and the number of the lower positioning pieces on the first bottom plate and the second bottom plate is at least two, and the hydraulic corner cylinders are arranged between the two lower positioning pieces.
Preferably, the elastic positioning seat comprises a gland, a pressure spring and a pressure spring seat, the elastic positioning seat is fixed on the first bottom plate through the gland, the pressure spring seat is arranged in an inner cavity of the gland, the pressure spring is located at the lower part of the pressure spring seat, and the gland limits the pressure spring seat.
Preferably, the gland is connected with the first bottom plate through bolts.
Preferably, the length limiting plate is fixedly connected with the first bottom plate through a bolt and used for limiting the end part of the piston rod.
Preferably, the pressing block and the lower positioning piece are made of nylon.
Preferably, the material of the pressure spring seat is nodular black cast iron.
The utility model discloses relative prior art has following beneficial effect:
(1) the piston rod is effectively positioned in the radial direction through the matching of the lower positioning piece and the hydraulic corner cylinder; after the piston rod is driven to rotate by the force of the hydraulic corner cylinder and the force of the elastic positioning seat, the positioning plane is automatically found, the positioning effect is good, the problem of difficult flat positioning is solved, and the size precision and the position precision of the flat processing of the piston rod are ensured;
(2) the pressing block and the lower positioning piece are made of nylon, and the pressure spring seat is made of nodular cast iron, so that the piston rod is prevented from being damaged or scratched;
(3) the processing tool is provided with a plurality of lower positioning pieces and hydraulic corner cylinders in parallel, a plurality of piston rods can be processed simultaneously, the production efficiency is improved, the labor intensity is reduced, the operation is simple and convenient, the time and the labor are saved, and the processing cost is reduced.
Drawings
Fig. 1 is a schematic structural view of a piston rod flat position processing tool of the present invention;
fig. 2 is another schematic structural view of the piston rod flat position processing tool of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;
fig. 4 is a schematic view of the elastic positioning seat of the present invention.
Description of reference numerals:
the device comprises a first base plate 1, a second base plate 2, a hydraulic corner cylinder 3, a rotating rod 31, a pressing block 32, a lower positioning piece 4, an elastic positioning seat 5, a pressure spring seat 51, a pressing cover 52, a pressure spring 53, a length limiting plate 6, a piston rod 7 and a flat position 8.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A preferred embodiment of the present invention, as shown in fig. 1-4, is a piston rod flat position processing tool, which comprises a first bottom plate 1, a second bottom plate 2 and a hydraulic corner cylinder 3, wherein the first bottom plate 1 and the second bottom plate 2 are both provided with a lower positioning member 4 and the hydraulic corner cylinder 3, and the first bottom plate 1 is further provided with an elastic positioning seat 5 and a length limiting plate 6;
the elastic positioning seat 5 is arranged between the lower positioning piece 4 and the length limiting plate 6, an arc-shaped groove for placing the piston rod 7 is formed in the lower positioning piece 4, pressing blocks 32 are arranged on two rods of a rotating rod 31 of the hydraulic corner cylinder 3, and after the piston rod 7 is placed on the lower positioning piece 4, the hydraulic corner cylinder 3 drives the pressing blocks 32 to press the surface of the piston rod 7.
The first bottom plate 1 and the second bottom plate 2 are arranged on the same plane in parallel, mounting holes and positioning grooves are formed in the first bottom plate 1 and the second bottom plate 2, and the distance between the first bottom plate 1 and the second bottom plate 2 can be determined according to requirements.
The number of the hydraulic corner cylinders 3 on the first and second bottom plates 1 and 2 is at least two, and the number of the lower positioning members 4 on the first and second bottom plates 1 and 2 is at least two, preferably four, and the hydraulic corner cylinders 3 are disposed between the two lower positioning members 4, preferably four.
The elastic positioning seat 5 comprises a gland 52, a pressure spring 53 and a pressure spring seat 51, the elastic positioning seat 5 is fixed on the first base plate 1 through the gland 52, the pressure spring seat 51 is arranged in an inner cavity of the gland 52, the pressure spring 53 is positioned at the lower part of the pressure spring seat 51, the gland 52 limits the pressure spring seat 51, and specifically, the edge of the pressure spring seat 51 cannot move upwards further after being blocked by the gland 52.
The gland 52 is connected with the first bottom plate 1 through a bolt, and the length limiting plate 6 is fixedly connected with the first bottom plate 1 through a bolt and used for limiting the end part of the piston rod 7.
In the design process, considering that the surface of the piston rod 7 is plated with chrome and cannot be damaged or scratched, the pressing block 32 and the lower positioning piece 4 are made of nylon, and the pressing spring seat 51 is made of nodular cast iron.
In practical application, the working principle of the flat position 8 processing is as follows: when the piston rod 7 is milled to be in a first flat position, the piston rod 7 is placed on the lower positioning piece 4 or the elastic positioning seat 5 on the first bottom plate 1 and the second bottom plate 2, the end part of the piston rod 7 abuts against the length limiting plate 6, and after a pressing plate of the hydraulic corner cylinder 3 is pressed to the surface of the piston rod 7, because a pressure spring 53 of the elastic positioning seat 5 is smaller than the pressure of hydraulic corner oil, the pressure spring 53 is compressed at the moment, when the piston rod 7 is pressed to be in contact fit with the lower surface of an arc-shaped groove of the lower positioning piece 4, the hydraulic corner cylinder 3 stops pressing down, the pressure spring 53 also stops being compressed, and the piston rod; and milling the flat position 8 of the piston rod 7 by using a milling cutter.
After the first flat position of the piston rod 7 is processed, the hydraulic corner oil cylinder is loosened, the rotating rod 31 and the pressing plate thereof are turned to 90 degrees, the piston rod 7 is manually rotated by about 180 degrees, an error of plus or minus 20 degrees can exist, then the pressing plate of the hydraulic corner oil cylinder 3 presses down the piston rod 7, the milled flat surface of the piston rod 7 is pressed to the upper surface of the pressure spring seat 51 of the elastic positioning seat 5, because the upper surface of the pressure spring seat 51 and the flat surface are under the interaction of pressure, the first milled flat position is automatically aligned under the guidance of the elastic positioning seat 5, when the piston rod 7 is pressed to be in contact fit with the lower surface of the arc-shaped groove of the lower positioning part 4, the hydraulic corner oil cylinder 3 stops pressing down, the pressure spring 53 also stops being compressed, and the piston rod is positioned perfectly; and then, milling the flat position of the piston rod by using a milling cutter, wherein the second flat position is processed.
Foretell hydraulic pressure corner jar also is called oil pressure corner jar and is the corner hydro-cylinder, is the very ripe anchor clamps among the prior art, directly chooses from prior art, is not the utility model discloses a key protection architecture, the event does not show its concrete structure.
The hydraulic corner cylinder is a hydraulically driven fixture, is suitable for a special machine and a jig for mass production of parts, and can greatly improve the automation degree of the jig fixtures for machining, assembly, welding and the like. The clamping element is an indispensable clamping element for comprehensively improving the working efficiency of a numerical control machine tool, particularly a machining center, and is also used for jigs for welding, assembling and the like. The novel mechanical arm is small in size, large in force, space-saving, high in clamping speed and accurate in positioning, and can be basically regarded as a clamp type mechanical arm. The machine tool is matched with a machine tool for quickly clamping and opening a workpiece, and is suitable for occasions with high production rhythm and high requirements on the machining precision of the workpiece. During the working process of the corner cylinder, the piston firstly completes the rotation stroke, namely the pressing arm presses down and rotates to the designed specified position and angle, and then completes the clamping stroke, namely the linear pressing down and clamping the workpiece. And the front pressure arm for clamping the workpiece leaves the workpiece. After the workpiece is assembled, the pressure arm is controlled to rotate to the position above the workpiece through the reversing valve, and then the workpiece is pressed by vertically and linearly moving downwards; when the workpiece is released, the pressing arm automatically returns to the original position according to the pressing route to leave the workpiece, and an operator can smoothly and conveniently unload the workpiece.
The utility model provides a processing frock except using the flat position processing of piston rod, can also be arranged in the flat position processing of other axle class parts.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (8)
1. The piston rod flat position processing tool is characterized by comprising a first bottom plate (1), a second bottom plate (2) and a hydraulic corner cylinder (3), wherein a lower positioning piece (4) and the hydraulic corner cylinder (3) are respectively arranged on the first bottom plate (1) and the second bottom plate (2), and an elastic positioning seat (5) and a length limiting plate (6) are further arranged on the first bottom plate (1);
elastic positioning seat (5) are installed down between setting element (4) and length limiting plate (6), be provided with the arc recess that is used for placing piston rod (7) down on setting element (4), two poles of rotary rod (31) of hydraulic pressure corner jar (3) are provided with briquetting (32), place as piston rod (7) down behind setting element (4), hydraulic pressure corner jar (3) drive briquetting (32) compress tightly the surface of piston rod (7).
2. The piston rod flat position processing tool according to claim 1, characterized in that the first bottom plate (1) and the second bottom plate (2) are installed on the same plane in parallel, and the first bottom plate (1) and the second bottom plate (2) are provided with installation holes and positioning grooves.
3. The piston rod flat position processing tool according to claim 2, characterized in that the number of the hydraulic corner cylinders (3) on the first bottom plate (1) and the second bottom plate (2) is at least two, the number of the lower positioning pieces (4) on the first bottom plate (1) and the second bottom plate (2) is at least two, and the hydraulic corner cylinders (3) are arranged between the two lower positioning pieces (4).
4. The piston rod flat position processing tool according to claim 1, characterized in that the elastic positioning seat (5) comprises a gland (52), a pressure spring (53) and a pressure spring seat (51), the elastic positioning seat (5) is fixed on the first base plate (1) through the gland (52), the pressure spring seat (51) is arranged in an inner cavity of the gland (52), the pressure spring (53) is located at the lower part of the pressure spring seat (51), and the gland (52) limits the pressure spring seat (51).
5. The piston rod flat position processing tool according to claim 4, characterized in that the gland (52) is connected with the first bottom plate (1) through bolts.
6. The piston rod flat position processing tool according to claim 1, wherein the length limiting plate (6) is fixedly connected with the first bottom plate (1) through a bolt and used for limiting the end of the piston rod (7).
7. The piston rod flat position processing tool according to any one of claims 1 to 6, wherein the pressing block (32) and the lower positioning piece (4) are made of nylon.
8. The piston rod flat position processing tool according to claim 4, characterized in that the compression spring seat (51) is made of nodular cast iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920419338.9U CN210060496U (en) | 2019-03-29 | 2019-03-29 | Piston rod flat position processing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920419338.9U CN210060496U (en) | 2019-03-29 | 2019-03-29 | Piston rod flat position processing tool |
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| Publication Number | Publication Date |
|---|---|
| CN210060496U true CN210060496U (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920419338.9U Active CN210060496U (en) | 2019-03-29 | 2019-03-29 | Piston rod flat position processing tool |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111300092A (en) * | 2020-02-25 | 2020-06-19 | 米伦医疗科技(苏州)有限公司 | Anti-shaking jig for tail end of walking aid part |
| CN112157581A (en) * | 2020-09-14 | 2021-01-01 | 中航动力株洲航空零部件制造有限公司 | Planetary gear pin grinding fixture |
-
2019
- 2019-03-29 CN CN201920419338.9U patent/CN210060496U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111300092A (en) * | 2020-02-25 | 2020-06-19 | 米伦医疗科技(苏州)有限公司 | Anti-shaking jig for tail end of walking aid part |
| CN112157581A (en) * | 2020-09-14 | 2021-01-01 | 中航动力株洲航空零部件制造有限公司 | Planetary gear pin grinding fixture |
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