CN213970057U - Positioning device for machining of aluminum die casting - Google Patents
Positioning device for machining of aluminum die casting Download PDFInfo
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- CN213970057U CN213970057U CN202022910158.6U CN202022910158U CN213970057U CN 213970057 U CN213970057 U CN 213970057U CN 202022910158 U CN202022910158 U CN 202022910158U CN 213970057 U CN213970057 U CN 213970057U
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Abstract
The utility model discloses a positioning device for aluminum die castings during machining, which is arranged on a milling machine to machine the surface of the aluminum die castings to be machined, and comprises a placing platform, a positioning part protruding from the placing platform and at least one sliding block which can extend out from the side part of the positioning part; the positioning component is embedded into a positioning hole at the bottom of the aluminum die casting to be processed in a clearance fit mode so as to play a precise positioning role in the aluminum die casting to be processed; a sliding groove for the sliding block to move transversely is formed in the side wall of the positioning component, and the sliding block extends out of the positioning component from the sliding groove and tightly stretches the side wall of the positioning hole, so that an aluminum die casting to be processed is fixed; the sliding block retracts into the positioning component from the sliding groove so as to loosen the aluminum die casting to be processed and the positioning component.
Description
Technical Field
The utility model relates to an anchor clamps field especially relates to a positioner of aluminium die casting when machine tooling.
Background
The aluminum die casting comprises automobile part products such as a speed reducer shell, a transmission shell, a windscreen wiper framework and the like. When the aluminum die casting is formed, a corresponding die is needed, liquid aluminum is injected into the die by using a die casting machine, and the aluminum die casting is taken out after being cooled.
The aluminum die castings to be processed after being demoulded are generally provided with a material handle part, a material head and a slag ladle, and need to be deburred so as to meet the quality requirement. The traditional manual cutting and deburring process has low production efficiency and easily generates deformation defects, and cannot meet the production requirements and the requirements of customers.
An aluminum die casting a to be processed as shown in fig. 1 includes a middle product portion a1 and a stem portion a2 around the product portion a 1.
In the traditional process, burrs of the aluminum die casting to be processed are usually removed by sawing off a material handle part through a sawing machine and then removing the burrs through a manual file, the method is low in efficiency, excessive cutting, product deformation and other problems are easily caused due to the problems of force and precision control, the product is scrapped, the saw blades are expensive, one saw blade needs thousands of yuan, the saw blades need to be replaced every day, the efficiency is low, and the cost is high.
For this reason, the utility model discloses the people adopts the milling machine to treat to process the aluminum die casting and carry out surface treatment, mill earlier and remove after material stalk portion and the burr treat the surface of processing the aluminum die casting and carry out simple processing of polishing can.
However, during milling machining, the aluminum die-cast part to be machined needs to be positioned on the operating table first. However, when the three-jaw clamp, the four-jaw clamp or the axial pull rod is used for pressing, the material handle part at the periphery of the product part interferes with the clamp, and the clamp is obviously not suitable.
If the aluminum die casting to be machined cannot be accurately positioned and stably fixed, the aluminum die casting to be machined can tip over, and the problems of excessive cutting, inclined cutting surface, inconsistent height and the like caused by positioning errors can be caused in the milling cutter machining process.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a positioning device is provided to the aluminium die casting who treats processing in the process of utilizing the milling machine burring carries out accurate positioning and stable fixed aluminium die casting when machining.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the positioning device for the aluminum die casting during machining comprises a placing platform and a positioning component, wherein a convex object placing table is arranged on the placing platform, and the shape of the object placing table is matched with the shape of the bottom surface of the aluminum die casting to be machined so as to enable the aluminum die casting to be machined to be stably placed;
the positioning component is a convex block on the object placing table, and when the aluminum die casting to be machined is placed on the object placing table, the positioning component can be embedded into a positioning hole at the bottom of the aluminum die casting to be machined in a clearance fit manner so as to position the aluminum die casting to be machined;
the positioning component is provided with a transverse sliding chute extending to the side wall, a sliding block is arranged in the sliding chute, and the sliding block can transversely move along the sliding chute to extend out of the positioning component and tightly tension the side wall of the positioning hole; the slide block retracts into the positioning component from the sliding groove so as to release the aluminum die casting to be processed and the positioning component.
The utility model provides a further optimized technical scheme that above-mentioned technical problem adopted does: the device also comprises a pushing component and a driving component which push the sliding block to move, and the driving component drives the pushing component to move so as to push the sliding block to move.
The utility model provides a further optimized technical scheme that above-mentioned technical problem adopted does: the push component is a push rod, the placing platform and the positioning component are provided with a vertical guide groove for the push rod to penetrate from bottom to top, the vertical guide groove is communicated with the sliding groove, and the inner end of the sliding block extends into the vertical guide groove and acts on the outer wall of the push rod.
The utility model provides a further optimized technical scheme that above-mentioned technical problem adopted does: the push rod comprises an action part, a first inclined plane is arranged outside the action part, a second inclined plane matched with the first inclined plane is arranged on the inner wall of the sliding block, and the axial movement of the push part can adjust the relative position of the first inclined plane and the first inclined plane, so that the displacement of the sliding block is adjusted.
The utility model provides a further optimized technical scheme that above-mentioned technical problem adopted does: the driving part is a cylinder or a motor or an oil cylinder or a hydraulic cylinder.
The utility model provides a further optimized technical scheme that above-mentioned technical problem adopted does: the lower extreme of locating component be equipped with the installation department, put the platform be equipped with the installation department the heavy groove that matches, the spout at least partly be located outside the heavy groove.
The utility model provides a further optimized technical scheme that above-mentioned technical problem adopted does: the positioning part is sleeved with a limiting part for preventing the sliding block from separating from the sliding groove, and the inner diameter of the limiting part is larger than that of the positioning hole, so that the sliding block can extend out of the positioning part and tightly tension the side wall of the positioning hole.
The utility model provides a further optimized technical scheme that above-mentioned technical problem adopted does: the fixing assembly comprises a supporting component supported below the material handle part and a pressing component pressed above the material handle part.
The utility model provides a further optimized technical scheme that above-mentioned technical problem adopted does: the pressing part moves or swings longitudinally to press the material handle part or release the material handle part.
The utility model provides a further optimized technical scheme that above-mentioned technical problem adopted does: the lever air cylinder is connected with and drives the pressing and holding component to swing.
Compared with the prior art, the utility model has the advantages that the aluminum die casting to be processed can be accurately positioned on the placing platform through the positioning of the positioning component, so that the aluminum die casting to be processed can be accurately cut through the displacement control of the milling cutter, and the processing precision is higher; the slide block is used for fixing the aluminum die casting to be processed, so that the aluminum die casting to be processed is not deformed, and the fixed strength is enough to prevent the aluminum die casting to be processed from moving when the surface of the aluminum die casting to be processed is processed; and the whole fixing device has a simple structure, and the positioning and fixing procedures are convenient to operate, so that the clamping time is shortened, and the labor efficiency is improved.
Drawings
The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating the background art and explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.
FIG. 1 is a schematic view of an aluminum die casting to be processed to which the present invention is applied;
FIG. 2 is a reference drawing showing the use of a positioning device in machining an aluminum die casting according to a preferred embodiment of the present invention;
FIG. 3 is a partial assembly view of a positioning device for an aluminum die casting in accordance with a preferred embodiment of the present invention during machining;
fig. 4 is a cross-sectional view taken at K-K of fig. 3 in accordance with a preferred embodiment of the present invention;
FIG. 5 is a first schematic view of a positioning device of an aluminum die casting according to a preferred embodiment of the present invention during machining;
FIG. 6 is a second schematic view of a positioning device of an aluminum die casting in a preferred embodiment of the present invention during machining;
FIG. 7 is an exploded view of a positioning device of an aluminum die casting in accordance with a preferred embodiment of the present invention during machining;
fig. 8 is a partially exploded view of a positioning device of an aluminum die cast part in accordance with a preferred embodiment of the present invention during machining.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the description is illustrative only, and is not to be construed as limiting the scope of the invention.
It should be noted that: like reference numerals refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are usually placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. And the use of "first" and "second" in the description is for clarity of description only and should not be construed as limiting the invention.
As shown in fig. 1, the aluminum die cast article a to be machined includes a middle product portion a1 and a shank portion a2 around the product portion a1, and the edge of the product portion a1 also has some burrs. In the traditional process, the aluminum die casting A to be processed is usually debugged by sawing off a material handle A2 by a sawing machine and then removing burrs by using a manual file, the method is low in efficiency, excessive cutting, product deformation and other problems are easily caused due to the problems of force and precision control, the product is scrapped, the saw blade is expensive and thousands of yuan, the saw blade needs to be replaced every day, the efficiency is low, the cost is high, and in addition, the noise of the sawing machine is very high, so that the adverse effect is caused on the working environment of an operator.
In the embodiment, the surface of the aluminum die casting A to be processed is processed by the milling machine, and the material shank A2 and redundant burrs are quickly cut off by the milling cutter D, so that the processing speed is increased, the processing noise is reduced, and the processing quality is improved.
In order to accurately position and stably fix the aluminum die casting a to be machined during the milling process of the milling machine and avoid the aluminum die casting a to be machined from tipping or cutting misalignment caused by positioning errors, the embodiment provides the positioning device for the aluminum die casting during the machining process, which is arranged on the milling machine to machine the surface of the aluminum die casting a to be machined.
As shown in fig. 2 to 8, the positioning device for aluminum die casting during machining provided by the embodiment is suitable for the type of aluminum die casting a to be machined as shown in the figure. The bottom of the product part A1 of the aluminum die casting A to be processed is provided with a positioning hole A3. The positioning device for the aluminum die casting during machining realizes positioning and fixing of the aluminum die casting A to be machined by using the positioning hole A3 which is arranged on the aluminum die casting A to be machined.
As shown in FIGS. 5-6, the positioning device for machining the aluminum die-cast part comprises a placing platform 01, a positioning part 02 protruding from the placing platform 01 and a slide block 03 capable of protruding from the side of the positioning part 02.
Referring to fig. 2, during machining, the placing platform 01 is used for placing an aluminum die casting a to be machined, and the milling cutter D of the milling machine is located above the aluminum die casting a to be machined. When the aluminum die casting A to be processed is placed on the placing platform 01, the positioning component 02 is embedded into the positioning hole A3 at the bottom of the aluminum die casting A to be processed in a clearance fit mode, so that the aluminum die casting A to be processed is positioned.
The aluminum die casting A to be machined can be accurately positioned on the placing platform 01 through the positioning of the positioning component 02, so that the aluminum die casting A to be machined can be accurately cut through displacement control of the milling cutter D, and the machining precision is higher.
Referring to fig. 8, furthermore, a sliding groove 04 for the slider 03 to move transversely is formed in a side wall of the positioning component 02, when the slider 03 extends out of the positioning component 02 from the sliding groove 04, the positioning component 02 and the slider 03 together tension a side wall of a positioning hole a3 of the aluminum die casting a to be processed, and at this time, the aluminum die casting a to be processed is fixed on the placing platform 01. When the sliding block 03 retracts into the positioning component 02 from the sliding groove 04, the aluminum die casting A to be processed and the positioning component 02 are loosened, so that the aluminum die casting A to be processed can be taken down from the placing platform 01.
The sliding block 03 is used for fixing the aluminum die casting A to be machined, so that the aluminum die casting A to be machined is not deformed, and the fixed strength is enough to prevent the aluminum die casting A to be machined from moving during surface machining. And the whole fixing device has a simple structure, and the positioning and fixing procedures are convenient to operate, so that the clamping time is shortened, and the labor efficiency is improved.
And, the positioner of aluminium die casting when the machine tooling still includes pushing part 05 and the first drive part 06 that pushes slider 03 to remove, and first drive part 06 drives pushing part 05 motion to push slider 03 to remove. As an alternative to the first drive part 06, the first drive part 06 may be a pneumatic cylinder or an electric motor or a hydraulic cylinder.
As shown in fig. 2, 5 and 6, preferably, a protruding object placing table T is arranged on the placing platform 01, and the size of the object placing table T is adapted to the product portion of the aluminum die-cast part a to be processed. The positioning member 02 is provided on the placement table T. The convex object placing table T avoids the unstable placement phenomenon caused by the unevenness of the bottom surface of the aluminum die casting A to be processed, so that the positioning device for the aluminum die casting during machining processes can more accurately position the aluminum die casting A to be processed, and the fixation is more stable and reliable.
As shown in fig. 1 and 8, in the present embodiment, the positioning hole a3 of the aluminum die casting a to be processed has a snowflake-like structure, and accordingly, the positioning member 02 has a snowflake-like structure including seven concave circular surfaces S uniformly distributed around a center. And, the middle of each concave circular surface S is provided with a sliding groove 04 arranged radially, and seven sliding blocks 03 are uniformly distributed at the sliding groove 04 of each concave circular surface radially. Due to the arrangement, the stress of the aluminum die casting A to be processed is more uniform, and the fixation is more reliable and stable.
Preferably, as shown in fig. 7 and 8, the pushing member 05 is a pushing rod 05; the placing platform 01 and the positioning part 02 are provided with a longitudinal guide groove H for the push rod to penetrate from bottom to top, the longitudinal guide groove H is communicated with the sliding groove 04, and the inner end of the sliding block 03 extends into the longitudinal guide groove H and acts on the outer wall of the push rod 05.
The push rod 05 comprises an action part Z, a first inclined surface 11 is arranged outside the action part Z, a second inclined surface 12 matched with the first inclined surface 11 is arranged on the inner wall of the sliding block 03, and the axial movement of the push part 05 can adjust the relative position of the first inclined surface 11 and the first inclined surface 11, so that the displacement of the sliding block 03 is adjusted.
As shown in fig. 5 to 8, in the present embodiment, preferably, the first driving part 06 is a cylinder which is linearly reciprocated, a piston part of the cylinder is connected to a lower end of the push rod 05 and drives the push rod 05 to move up and down, and a base J of the cylinder is suspended below the placing platform 01 by a screw assembly.
As shown in fig. 4 and 8, the acting portion Z is a circular truncated cone structure with a large top and a small bottom, the first inclined surface 11 is inclined from top to bottom in a direction approaching the central axis, and the second inclined surface 12 is matched with the first inclined surface 11. When the push rod moves downwards, the second inclined surfaces 12 of the seven sliding blocks 03 are pressed by the first inclined surfaces 11 of the push rod, so that the seven sliding blocks 03 simultaneously move outwards along the sliding grooves 04 in the radial direction until the seven sliding blocks contact the hole wall of the positioning hole A3, the sliding blocks 03 tightly stretch the positioning hole A3, and the positioning and fixing actions of the aluminum die casting A to be processed are completed.
Preferably, in this embodiment, locating component 02 passes through installation department 21 and is connected with 01 detachably of putting the platform to structural feature according to the difference aluminum die casting of waiting to process can the corresponding locating component 02 of quick replacement, thereby improves fixing device's commonality, makes production convenient high efficiency more.
And the slider 03 can be movably accommodated in the sliding groove 04 and can be taken out of the sliding groove 04, so that the fixing device can be conveniently changed according to different structural characteristics of the aluminum die casting to be processed.
Specifically, as shown in fig. 5, 7 and 8, the placing platform 01 is provided with a sinking groove 06, the lower end of the positioning member 02 is integrally provided with an installation portion 21, the installation portion 21 can be fittingly installed in the sinking groove 06 of the placing platform 01, and the positioning member 02 extends upwards from the installation portion 21 and protrudes out of the placing platform 01.
The positioning component 02 is sleeved with a limiting component 07 for preventing the sliding block 03 from separating from the sliding groove 04, the limiting component 07 is sleeved at the lower end of the positioning component 02, and the lateral projection of the lower section of the sliding groove 04 is on the hole wall of the limiting component 07, so that the sliding block 03 cannot separate from the sliding groove 04 after extending out of the sliding groove 04 due to the blocking of the limiting component 07. The upper section of the sliding groove 04 is located outside the counter sink 06, so that the sliding block 03 projecting from the sliding groove 04 can act on the wall of the positioning hole a 3.
It should be understood that the inner diameter of the position-limiting part 07 is larger than the inner diameter of the positioning part 02, i.e. the inner wall of the position-limiting part 07 is at a distance from the outer wall of the positioning part 02, so that the sliding block 03 can extend a distance outside the positioning part 02. And the inner diameter of the limiting part 07 is larger than that of the positioning hole A3, so that the sliding block 03 can stretch out of the positioning part 02 and then can tightly stretch the side wall of the positioning hole A3.
The stopper member 07 is fixed to the mounting portion 21 in a stacked manner and also located in the aforementioned sinking groove 06. Preferably, the upper surface of the limiting member 07 is flush with the upper surface of the placing platform 01, so as to avoid interfering with the positioning of the positioning hole a 3.
In this embodiment, as shown in fig. 5 and 8, in order to facilitate installation and save the use of parts, the screw assembly sequentially passes through the position limiting component 07, the installation portion 21 and the placing platform 01 at the bottom of the sinking groove 06 and then is connected with the base J of the air cylinder.
As seen in FIGS. 1-2, the material handle part A2 of the aluminum die casting A to be processed is positioned at one side of the product part A1 and is shaped like a concave and convex, and the bottom surface of the material handle part A2 is higher than the bottom surface of the product part A1, so that the aluminum die casting A to be processed is placed on the placing platform 01, and the aluminum die casting A to be processed is unevenly stressed due to unstable gravity center.
For this reason, the positioning device for machining the aluminum die-cast part in the embodiment is also provided with a fixing component for fixing the material shank part A2 of the aluminum die-cast part. As shown in fig. 2, 5 and 6, the fixing assembly comprises a supporting component 08 supported below the stem part a2 and a pressing component 09 pressed above the stem part a 2. The pressing member 09 is driven by the second driving member 010 to move or swing longitudinally to press the stem part a2 or release the stem part a 2.
More preferably, in this embodiment, the supporting member 08 is a first cylindrical body detachably disposed on one side of the placing platform 01, and the pressing member 09 is a second cylindrical body opposite to the first cylindrical body. The second driving part 010 is a lever cylinder. The second column body is connected with the lower part of a lever cross arm M of the lever cylinder, and is driven by the lever cylinder to swing, so that the second column body is pressed on the material handle part A2 or is far away from the material handle part A2.
Preferably, as shown in fig. 5-7, the positioning device for aluminum die casting during machining further comprises a supporting seat F, the supporting seat F comprises a bottom plate 011 parallel to the placing platform 01 and a supporting column 012 supported between the placing platform 01 and the bottom plate 011, the supporting column 012 separates the bottom plate 011 and the placing platform 01 to form a hollow area L therebetween, and the first driving part 06 is located in the hollow area L.
It is right above the utility model provides a positioner of aluminum die casting when machining has carried out detailed introduction, and it is right to have used specific individual example herein the utility model discloses a principle and implementation mode have been explained, and the explanation of above embodiment is only used for helping to understand the utility model discloses and core thought. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. The positioning device for the aluminum die casting during machining is characterized by comprising a placing platform and a positioning component, wherein a convex object placing table is arranged on the placing platform, and the object placing table is matched with the bottom surface of the aluminum die casting to be machined in shape so as to enable the aluminum die casting to be machined to be stably placed;
the positioning component is a convex block on the object placing table, and when the aluminum die casting to be machined is placed on the object placing table, the positioning component can be embedded into a positioning hole at the bottom of the aluminum die casting to be machined in a clearance fit manner so as to position the aluminum die casting to be machined;
the positioning component is provided with a transverse sliding chute extending to the side wall, a sliding block is arranged in the sliding chute, and the sliding block can transversely move along the sliding chute to extend out of the positioning component and tightly tension the side wall of the positioning hole; the slide block retracts into the positioning component from the sliding groove so as to release the aluminum die casting to be processed and the positioning component.
2. The positioning device for the aluminum die casting during machining according to claim 1, further comprising a pushing member and a driving member for pushing the sliding block to move, wherein the driving member drives the pushing member to move so as to push the sliding block to move.
3. The positioning device for aluminum die castings during machining according to claim 2, wherein the pushing member is a push rod, the placing platform and the positioning member are provided with a longitudinal guide slot for the push rod to penetrate from bottom to top, the longitudinal guide slot is communicated with the sliding slot, and the inner end of the sliding block extends into the longitudinal guide slot and acts on the outer wall of the push rod.
4. The positioning device for the aluminum die casting during machining according to claim 3, wherein the pushing rod comprises an acting part, the outer part of the acting part is provided with a first inclined surface, the inner wall of the sliding block is provided with a second inclined surface matched with the first inclined surface, and the axial movement of the pushing component can adjust the relative positions of the first inclined surface and the first inclined surface, so as to adjust the displacement of the sliding block.
5. A positioning device for an aluminum die casting during machining according to claim 2, wherein the driving component is a cylinder or a motor or a cylinder or a hydraulic cylinder.
6. The positioning device for the aluminum die casting during machining according to claim 1, wherein the lower end of the positioning component is provided with a mounting portion, the placing platform is provided with a sinking groove matched with the mounting portion, and at least a part of the sliding groove is positioned outside the sinking groove.
7. The positioning device for aluminum die castings during machining according to claim 1, wherein the positioning member is sleeved with a stopper member for preventing the slide block from being separated from the slide groove, and the inside diameter of the stopper member is larger than the inside diameter of the positioning hole, so that the slide block can extend out of the positioning member and tighten the side wall of the positioning hole.
8. The positioning device for the aluminum die casting during machining according to claim 1, further comprising a fixing assembly for fixing the material shank part of the aluminum die casting to be machined, wherein the fixing assembly comprises a supporting component supported below the material shank part and a pressing component pressed above the material shank part.
9. The positioning device for the aluminum die casting during machining according to claim 8, wherein the pressing member is moved or swung longitudinally to press the shank portion or release the shank portion.
10. The positioning device for aluminum die castings during machining according to claim 9, further comprising a lever cylinder connected to and driving the pressing member to swing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022910158.6U CN213970057U (en) | 2020-12-07 | 2020-12-07 | Positioning device for machining of aluminum die casting |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022910158.6U CN213970057U (en) | 2020-12-07 | 2020-12-07 | Positioning device for machining of aluminum die casting |
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| CN213970057U true CN213970057U (en) | 2021-08-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116175232A (en) * | 2023-03-13 | 2023-05-30 | 胜赛思精密压铸（扬州）有限公司 | Processing tool for right shell of lightweight electric automobile speed reducer |
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2020
- 2020-12-07 CN CN202022910158.6U patent/CN213970057U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116175232A (en) * | 2023-03-13 | 2023-05-30 | 胜赛思精密压铸（扬州）有限公司 | Processing tool for right shell of lightweight electric automobile speed reducer |
| CN116175232B (en) * | 2023-03-13 | 2023-11-07 | 胜赛思精密压铸（扬州）有限公司 | Processing tool for right shell of lightweight electric automobile speed reducer |
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