CN219704457U - Automatic deburring anti-rotation positioning device for low-pressure casting shell - Google Patents
Automatic deburring anti-rotation positioning device for low-pressure casting shell Download PDFInfo
- Publication number
- CN219704457U CN219704457U CN202320570513.0U CN202320570513U CN219704457U CN 219704457 U CN219704457 U CN 219704457U CN 202320570513 U CN202320570513 U CN 202320570513U CN 219704457 U CN219704457 U CN 219704457U
- Authority
- CN
- China
- Prior art keywords
- positioning
- heads
- casting
- driving part
- rotation
- 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.)
- Active
Links
- 238000005266 casting Methods 0.000 title claims abstract description 67
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 230000006835 compression Effects 0.000 claims description 17
- 238000007906 compression Methods 0.000 claims description 17
- 239000000758 substrate Substances 0.000 abstract description 4
- 238000007517 polishing process Methods 0.000 abstract description 2
- 238000005498 polishing Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 3
- 230000001788 irregular Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
Landscapes
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The utility model relates to an automatic deburring anti-rotation positioning device for a low-pressure casting shell, which comprises a substrate, wherein a three-point positioning mechanism, an anti-rotation positioning mechanism and a plurality of supporting positions are arranged on the substrate; the three-point positioning mechanism comprises a first positioning table, a first driving part and three vertical positioning heads, wherein the three vertical positioning heads can synchronously move away from each other along the horizontal direction under the driving of the first driving part so as to apply supporting force to a hole site on a casting from the inside of the casting, the anti-rotation positioning mechanism comprises a second positioning table, a second driving part and two horizontal positioning heads, and the two horizontal positioning heads can synchronously move downwards along the vertical direction under the driving of the second driving part so as to apply downward force to the hole site on the casting from the inside of the casting. The centering and anti-rotation functions of the hole site are realized, the casting is reliably positioned in the polishing process, and the deburring deviation between castings caused by inaccurate positioning of the tool can be effectively eliminated.
Description
Technical Field
The utility model relates to the technical field of positioning tools, in particular to an automatic deburring anti-rotation positioning device for a low-pressure casting shell.
Background
In the prior art, for cast castings, the positions of the cast castings, which are structurally matched with a core pulling of a mold used in casting, are provided with larger burrs, and the burrs need to be polished. At present, the technology of polishing the die casting flash by adopting automatic machinery is mature, and the requirement of polishing quality consistency is easier to be realized for castings which are required to reach the requirements of 5-level tolerance to six-level tolerance (CT 5-CT 6) in the national standard GB6414-1986 casting dimensional tolerance. However, for a high-end shell with a complex structure, such as a plurality of hole sites and irregular external and edge contours, a sand core is required to be used in casting, the mechanical performance requirement is relatively high, a low-pressure casting process is required to be adopted, the dimensional tolerance precision of a low-pressure casting is generally CT7-CT9, and the flash is irregular and is generally 2-12mm unequal, so that the automatic flash removing difficulty is high, the requirement on a positioning tool is high, the tool is required to have a flexible positioning characteristic, and the polishing deviation between castings is eliminated. Traditional deburring location frock adopts mechanical type location boss direct location mostly, and this can lead to the dimensional tolerance and the position tolerance of hole site too big, influences the polishing effect, leads to deburring to cut the foundry goods body excessively.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides an automatic deburring anti-rotation positioning device for a low-pressure casting shell, which aims to improve positioning precision and meet the requirement of consistency of workpiece tolerance dimensions after polishing.
The technical scheme adopted by the utility model is as follows:
the automatic deburring anti-rotation positioning device for the low-pressure casting shell comprises a substrate, wherein a three-point positioning mechanism, an anti-rotation positioning mechanism and a plurality of supporting positions are arranged on the substrate;
the three-point positioning mechanism comprises a first positioning table, a first driving part and three vertical positioning heads, wherein the three vertical positioning heads can synchronously and separately move along the horizontal direction under the driving of the first driving part so as to apply supporting force to hole sites on the casting from the inside of the casting;
the anti-rotation positioning mechanism is positioned at one side of the three-point positioning mechanism and comprises a second positioning table, a second driving part and two horizontal positioning heads, and the two horizontal positioning heads can synchronously move downwards along the vertical direction under the driving of the second driving part so as to apply a downward pressure to a hole site on the casting from the inside of the casting;
the positioning surfaces of the two horizontal positioning heads are arranged along the horizontal direction;
the locating surfaces of the three vertical locating heads are arranged along the vertical direction.
The further technical scheme is as follows:
the plurality of support locations includes at least three stationary support locations located at three vertices of a triangle for supporting the casting upward.
Two of the at least three fixed support positions are respectively arranged on two sides of the three-point positioning mechanism.
The heights of the at least three fixed supporting positions are the same or different.
The plurality of support locations includes at least one adjustable support location for applying lateral compressive forces to the casting in a horizontal direction.
The plurality of support locations further comprise fixed lateral support locations which are arranged corresponding to the at least one adjustable support location and are mutually matched to compress a local area of the casting in the horizontal direction when in use.
The structure of the at least one adjustable support position comprises a movable end and a driving end connected with the movable end.
The three vertical positioning heads are uniformly distributed at intervals along the circumferential direction by taking the first driving part as the center, the vertical positioning heads are respectively fixedly arranged on one side of the first compression bars, the first ends of the first compression bars are respectively connected with the first driving part through first connecting rod mechanisms, and the second ends of the first compression bars are respectively hinged with the first positioning tables.
The two horizontal positioning heads are symmetrically arranged by taking the second driving part as a center, the horizontal positioning heads are respectively fixedly arranged on one side of the second compression bars, the first ends of the second compression bars are respectively connected with the second driving part through second connecting rod mechanisms, and the second ends of the second compression bars are respectively hinged with the second positioning table.
The first driving part is a cylinder, and the second driving part is a cylinder.
The beneficial effects of the utility model are as follows:
the positioning device provided by the utility model realizes the centering and anti-rotation functions of the hole site, ensures the positioning reliability of castings in the polishing process, can effectively eliminate deviation caused by deburring among castings due to inaccurate positioning of the fixture, and realizes automatic polishing of the low-pressure shell so as to improve polishing efficiency.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a device according to an embodiment of the present utility model.
Fig. 2 is a schematic structural diagram of a three-point positioning mechanism according to an embodiment of the present utility model.
Fig. 3 is a top view of fig. 2.
Fig. 4 is a schematic structural diagram of an anti-rotation positioning mechanism according to an embodiment of the present utility model.
Fig. 5 is a schematic view of the structure of the present utility model for positioning a casting to be polished during use.
Fig. 6 is another view of fig. 5.
Detailed Description
The following describes specific embodiments of the present utility model with reference to the drawings.
Referring to fig. 1, an automatic deburring and anti-rotation positioning device for a low pressure casting shell of the present embodiment includes a base plate 8, wherein the base plate 8 is provided with a three-point positioning mechanism 7, an anti-rotation positioning mechanism 5 and a plurality of support positions;
referring to fig. 2 and 3, the three-point positioning mechanism 7 includes a first positioning table 77, a first driving part 78 and three vertical positioning heads 72, wherein the three vertical positioning heads 72 are uniformly distributed at intervals along the circumferential direction with the first driving part 78 as the center, first ends of the three vertical positioning heads 72 are respectively connected with the first driving part 78 through a first connecting rod mechanism, and second ends of the three vertical positioning heads are respectively hinged with the first positioning table 77;
specifically, the first driving portion 78 is a piston rod of a first cylinder 79, and the first cylinder 79 is disposed at the center of the first positioning table 77. Each of the vertical positioning heads 72 is fixedly attached to one side of the first presser bar 73 or integrally formed therewith. The first link mechanism includes a balance block 76 and a first support arm 74, the balance block 76 is disposed along a horizontal direction and is connected with the piston rod, three protrusions are disposed in a circumferential direction of the balance block 76, the three protrusions are disposed in a central symmetry manner and are respectively hinged with one end of a group of first support arms 74, the other end of each group of first support arms 74 is hinged with the upper end of each first compression bar 73, and the lower end of each first compression bar 73 is connected with a first positioning table 77 through a hinge seat 75.
Specifically, the positioning surfaces 71 of the three vertical positioning heads 72 are disposed in the vertical direction. The three vertical positioning heads 72 are driven by the first driving part 78 to move synchronously away from each other in the horizontal direction to apply a supporting force to the first hole site 92 on the casting 9 from the inside of the casting, as shown in fig. 5. As can be seen from fig. 5, the three vertical positioning heads 72 support the first hole 92 along the circumferential direction of the inner wall thereof, and the accurate centering of the first hole is achieved through three-point positioning.
Specifically, the heights of at least three fixed support positions are set to be the same or different according to the casting structure.
The anti-rotation positioning mechanism 5 is located at one side of the three-point positioning mechanism 7, referring to fig. 4, the structure of the anti-rotation positioning mechanism 5 includes a second positioning table 51, a second driving portion 57 and two horizontal positioning heads 54, the two horizontal positioning heads 54 are symmetrically arranged with the second driving portion 57 as a center, the two horizontal positioning heads 54 are respectively fixedly connected to the heads of the second compression rods 53 or integrally formed with the heads, the first ends (tail portions) of the two second compression rods 53 are respectively connected with the second driving portion 57 through vertical connecting rods 56, and the second ends (middle portions) of the two second compression rods 53 are respectively hinged with the second positioning table 51 through second supporting arms 52.
Specifically, the second driving portion 57 is a piston rod of the second cylinder 58, and the second positioning tables 51 are symmetrically disposed on two sides of the cylinder body of the second cylinder 58.
Specifically, the second positioning table 51 is a T-shaped block.
Specifically, the positioning surfaces 55 of the two horizontal positioning heads 54 are disposed in the horizontal direction, and the two horizontal positioning heads 54 can be synchronously moved down in the vertical direction by the drive of the second drive portion 57 to apply a downward pressure from the inside of the casting to the second hole site 91 on the casting 9, as shown in fig. 5. As can be seen from fig. 5, the two horizontal positioning heads 54 press down along the upper edge of the second hole 91, and prevent the rotation of the second hole by positioning at two points along the diameter direction.
In the above embodiment, referring to fig. 1, the plurality of support positions includes:
at least three fixed supporting positions, which are divided into a first fixed supporting position 2, a second fixed supporting position 6 and a third fixed supporting position 10, are positioned at three vertexes of a triangle for supporting the casting upwards, and,
at least one adjustable support 1 for applying lateral support forces to the casting in the horizontal direction, and,
and the fixed lateral support position 3 is arranged corresponding to the adjustable support position 1 and is used for being matched with the adjustable support position 1 to compress the local area of the casting in the horizontal direction.
Wherein, the second fixed supporting position 6 and the third fixed supporting position 10 are respectively arranged at two sides of the three-point positioning mechanism 7.
Wherein the heights of the at least three fixed supporting positions are the same or different. The present embodiment is further provided with a fourth fixed supporting position 4, which is used for performing an auxiliary supporting function on the basis that the first fixed supporting position 2, the second fixed supporting position 6 and the third fixed supporting position 10 form a three-point support.
The structure of the at least one adjustable supporting position 1 comprises a movable end and a driving end connected with the movable end. The driving end can adopt a cylinder, and the movable end is arranged on a supporting piece at the end part of a piston rod of the cylinder.
Referring to fig. 5 and 6, in the low pressure casting shell automatic deburring anti-rotation positioning device of the present embodiment, in operation, the casting 9 is placed above the positioning device, and first, three vertical positioning heads of the three-point positioning mechanism 7 synchronously move away from each other along the horizontal direction, and a supporting force is applied to a first hole site on the casting from the inside of the casting, so as to realize the centering of the first hole site 92. Then, the two horizontal positioning heads of the anti-rotation positioning mechanism 5 are used for synchronously moving downwards along the vertical direction, and downward pressure is applied to the second hole site 91 on the casting from the inside of the casting, so that anti-rotation positioning is realized. Simultaneously, three fixed supporting positions distributed at three vertexes of the triangle upwards support the casting, and the position of the movable end of the adjustable supporting position 1 is adjusted, so that the fixed lateral supporting position 3 and the adjustable supporting position 1 respectively apply lateral supporting (compacting) forces to local areas of the casting 9 from two sides along the horizontal direction. After the positioning, the casting can be automatically polished directly along the polishing path.
By the aid of the positioning device, machining deviation among castings caused by inaccurate positioning of the tool can be effectively eliminated, automatic polishing of the low-pressure shell is achieved, polishing time is reduced from traditional manual polishing for 50 minutes to automatic polishing for 5 minutes, polishing efficiency is improved, and cost and labor intensity are reduced.
Those of ordinary skill in the art will appreciate that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The automatic deburring anti-rotation positioning device for the low-pressure casting shell is characterized by comprising a base plate, wherein a three-point positioning mechanism, an anti-rotation positioning mechanism and a plurality of supporting positions are arranged on the base plate;
the three-point positioning mechanism comprises a first positioning table, a first driving part and three vertical positioning heads, wherein the three vertical positioning heads can synchronously and separately move along the horizontal direction under the driving of the first driving part so as to apply supporting force to hole sites on the casting from the inside of the casting;
the anti-rotation positioning mechanism is positioned at one side of the three-point positioning mechanism and comprises a second positioning table, a second driving part and two horizontal positioning heads, and the two horizontal positioning heads can synchronously move downwards along the vertical direction under the driving of the second driving part so as to apply a downward pressure to a hole site on the casting from the inside of the casting;
the positioning surfaces of the two horizontal positioning heads are arranged along the horizontal direction;
the locating surfaces of the three vertical locating heads are arranged along the vertical direction.
2. The automatic deburring anti-rotation positioning apparatus of a low pressure casting shell of claim 1, wherein said plurality of support locations comprises at least three stationary support locations at three vertices of a triangle for supporting castings upward.
3. The automatic deburring anti-rotation positioning apparatus of a low pressure casting shell of claim 2, wherein two of said at least three stationary support locations are disposed on either side of said three point positioning mechanism.
4. The automatic deburring anti-rotation positioning apparatus of a low pressure casting shell of claim 2, wherein said at least three stationary support locations are the same or different in height.
5. The automatic deburring anti-rotation positioning apparatus of a low pressure casting shell of claim 1, wherein said plurality of support locations comprises at least one adjustable support location for applying lateral compressive forces to the casting in a horizontal direction.
6. The automatic deburring anti-rotation positioning apparatus of a low pressure casting shell of claim 5, wherein said plurality of support locations further comprises a fixed lateral support location for cooperating with said at least one adjustable support location to compress a localized area of the casting in a horizontal direction in use.
7. The automatic deflashing anti-rotation positioning device for a low pressure casting shell according to claim 5, wherein the structure of the at least one adjustable support location comprises a movable end and a driving end connected to the movable end.
8. The automatic deburring anti-rotation positioning device for a low-pressure casting shell according to claim 1, wherein the three vertical positioning heads are uniformly distributed at intervals in the circumferential direction by taking the first driving part as the center, the vertical positioning heads are respectively fixedly arranged on one side of the first compression bars, the first ends of the first compression bars are respectively connected with the first driving part through first connecting rod mechanisms, and the second ends of the first compression bars are respectively hinged with the first positioning table.
9. The automatic deburring anti-rotation positioning device of a low-pressure casting shell according to claim 1, wherein two horizontal positioning heads are symmetrically arranged with the second driving part as a center, the horizontal positioning heads are respectively fixedly arranged on one side of second compression bars, first ends of the second compression bars are respectively connected with the second driving part through second connecting rod mechanisms, and second ends of the second compression bars are respectively hinged with the second positioning table.
10. The automatic deburring anti-rotation positioning apparatus of a low pressure casting shell of claim 1, wherein said first driving portion is a cylinder and said second driving portion is a cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320570513.0U CN219704457U (en) | 2023-03-22 | 2023-03-22 | Automatic deburring anti-rotation positioning device for low-pressure casting shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320570513.0U CN219704457U (en) | 2023-03-22 | 2023-03-22 | Automatic deburring anti-rotation positioning device for low-pressure casting shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219704457U true CN219704457U (en) | 2023-09-19 |
Family
ID=87977865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320570513.0U Active CN219704457U (en) | 2023-03-22 | 2023-03-22 | Automatic deburring anti-rotation positioning device for low-pressure casting shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219704457U (en) |
-
2023
- 2023-03-22 CN CN202320570513.0U patent/CN219704457U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219704457U (en) | Automatic deburring anti-rotation positioning device for low-pressure casting shell | |
| CN210080627U (en) | Precision die forging equipment | |
| CN113146307A (en) | A anchor clamps for foundry goods processing | |
| CN208132390U (en) | A kind of Escalator step automation deburring production line | |
| CN208495692U (en) | A kind of automatic forging apparatus of iron bar | |
| CN216126966U (en) | Casting polishing device | |
| CN216461671U (en) | But die casting die of rapid demoulding | |
| CN209737447U (en) | Mold fixing device for modeling supporting plate | |
| CN207971365U (en) | A kind of new gear forging stock forging die | |
| CN220592681U (en) | Casting connecting section polishing equipment | |
| CN220516314U (en) | Aluminum alloy motor shell fixing tool | |
| CN215786550U (en) | Lost foam mould cutting forming device | |
| JPH031096B2 (en) | ||
| CN217943086U (en) | Fixed casting fixing device for machining automobile parts | |
| CN213592320U (en) | Horizontal turning anchor clamps of non-iron heavy casting | |
| CN214517437U (en) | Improved machining die for manufacturing casting machine | |
| CN218426015U (en) | Automatic cutting device is used in foundry goods processing | |
| CN214519574U (en) | Clamping device for aluminum profile die-casting die polishing machine | |
| CN213001939U (en) | Novel support column type hydraulic shaping machine | |
| CN220612198U (en) | Foundry goods wax matrix mould workstation convenient to retrieve crushed aggregates | |
| CN220005950U (en) | Mould for automobile front longitudinal beam inner plate convenient to demolding | |
| CN214079181U (en) | Precise die-casting die blank for rapidly forming alloy | |
| CN220901822U (en) | Aluminum water pouring die for machining automobile parts | |
| CN217226442U (en) | Lower die plate of injection molding machine casting | |
| CN217964590U (en) | High-rigidity positioning device for shaft machining |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |