CN220330944U - General grinding mould of foundry goods - Google Patents
General grinding mould of foundry goods Download PDFInfo
- Publication number
- CN220330944U CN220330944U CN202321393655.0U CN202321393655U CN220330944U CN 220330944 U CN220330944 U CN 220330944U CN 202321393655 U CN202321393655 U CN 202321393655U CN 220330944 U CN220330944 U CN 220330944U
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- end base
- crankcase
- cylinder block
- fixed end
- positioning block
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- 238000005266 casting Methods 0.000 claims abstract description 34
- 239000000428 dust Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The utility model discloses a general grinding mould for castings, which comprises a fixed end base and a floating end base, wherein the fixed end base and the floating end base are arranged on grinding equipment, the floating end base can be close to or far from the fixed end base, positioning blocks are respectively arranged on the fixed end base and the floating end base, the positioning blocks can be plugged between cylinder blocks and crankcase bearing walls, cylinder block supporting rods capable of supporting four corners of the cylinder block are arranged on the fixed end base and the floating end base, and crankcase supporting rods capable of supporting four corners of a crankcase are arranged on the fixed end base and the floating end base. The utility model has the advantages of being suitable for mixed line production with various sizes, improving production efficiency, improving grinding precision and the like.
Description
Technical Field
The utility model relates to the field of grinding of engine crank cases and cylinder blocks, in particular to a general grinding mould for castings.
Background
After casting and producing a crankcase or a cylinder block in an engine, blank drapes can be generated at the parting surface, the core joint surface and the like. Blank drapes can cause damage to the tool or product rejection, requiring removal by grinding. In the grinding process, the crankcase or the cylinder body needs to be fixed by the clamping fixture, so that the follow-up grinding equipment can conveniently grind. The products of different series of crank cases and cylinder blocks have large structural and external dimensions, the same grinding mould cannot be applied, a special grinding mould is required to be manufactured according to the structural and dimensional characteristics, and when the products are switched, the corresponding grinding mould is manually replaced for grinding. In the prior art, the grinding mould is of an integral structure, four corners in the height direction are respectively provided with a supporting pin, four limiting blocks in the width direction, four thimble-shaped spare parts in the length direction are arranged on a bottom plate in a threaded fit mode, the limiting block structure is of a fixed size structure, manual adjustment is needed when the size of a casting changes, the production efficiency is low, and the labor intensity is high.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a general grinding mould for castings, which can be suitable for various crankcase and cylinder block sizes.
In order to solve the technical problems, the utility model comprises a universal grinding mould for castings, which comprises a fixed end base and a floating end base which are arranged on grinding equipment, and is structurally characterized in that: the floating end base can be close to or far away from the fixed end base, positioning blocks are respectively arranged on the fixed end base and the floating end base, the positioning blocks can be plugged between cylinder blocks or crankcase bearing walls, cylinder block supporting rods capable of supporting four corners of the cylinder block are arranged on the fixed end base and the floating end base, and crankcase supporting rods capable of supporting four corners of the crankcase are arranged on the fixed end base and the floating end base.
After the structure is adopted, the grinding mould comprises the fixed end base and the floating end base, after the castings are replaced, the length of the cylinder block or the crankcase is different, at the moment, the floating end base is driven by the driving device to be far away from or close to the fixed end base, so that castings with different lengths are adapted, meanwhile, the positioning blocks on the floating end base move along with the floating end base, the distance between the two positioning blocks is changed until the two positioning blocks can be respectively plugged into cylinder blocks or crankcase bearing walls with different sizes, further, the positions of the cylinder block or the bearing walls are determined, support rods are arranged on the fixed end base and the floating end base, when the castings fall, the two positioning blocks respectively enter the corresponding positions of the castings, the castings fall until the lower bottom surface is contacted with the support rods, the four corners of the cylinder block or the crankcase are supported by the support rods, the effect of stable support is achieved, the floating end is driven to move outwards through the driving device, the clamping degree of the castings can be adjusted, the sliding of the castings is further reduced, the stability of the castings during grinding is ensured, the castings with different sizes are applicable, and the grinding precision is ensured.
The crankcase bracing piece symmetric distribution is in the front side and the rear side of cylinder block bracing piece, because the width of crankcase is greater than the width of cylinder block, and when the crankcase bracing piece was located the front side and the rear side of cylinder block bracing piece, when crankcase and cylinder block exchange were placed on the mould, the bracing piece in different positions was used for supporting different foundry goods, avoided the bracing piece of different usefulness to produce the interference to the foundry goods, need not change, adjust the frock when the foundry goods was switched, improved efficiency.
The four crankcase support rods and the three cylinder block support rods are arranged on the fixed end base, the two crankcase support rods and the two cylinder block support rods are arranged on the floating end base, the four crankcase support rods of the fixed end base are supported, the two feet of the fixed end of the crankcase are supported front and back by the four crankcases, the crankcase support rods are arranged in a front-back symmetrical mode, the stability of bearing is guaranteed, the two crankcase support rods on the floating end base are convenient to move, the floating end base drives the installation block to move, the crankcases are tightly supported, the bearings at four corners of the crankcases are guaranteed, the three cylinder block support rods are arranged, one cylinder block support rod is located on the central line of the front-back direction, the other two cylinder block support rods are symmetrically arranged along the central line, the support of two corners of the fixed end of the cylinder block is enhanced, and the two cylinder block support rods at the moving end are enabled to be always convenient to move by the floating end base, and the support strength is guaranteed.
The height of each of the cylinder block supporting rod and the crankcase supporting rod can be adjusted, and the applicability of the cylinder block supporting rod and the crankcase supporting rod to crankcases with different sizes is further enhanced by the adjusting height.
The left side of locating piece on the stiff end base is the arcwall face, the right side of locating piece on the stiff end base is the plane, the locating piece of floating end base sets up with the locating piece symmetry of stiff end base, the lateral surface of two locating pieces is the arcwall face, the arcwall face can laminate mutually with the arc of the cylinder of cylinder block, the arcwall face laminates with the arc of cylinder block, make things convenient for the locating piece to remove along with floating end base, make things convenient for the clamp of locating piece, reduce the slip of foundry goods simultaneously, the precision of foundry goods when the grinding has been improved, planar setting cooperates with the bearing wall of crankcase, make the locating piece can cooperate crankcase or cylinder block, and prop tight crankcase or cylinder block, the suitability of locating piece has been strengthened, the grinding precision when having guaranteed the grinding simultaneously.
And the arc-shaped surface and the plane of the positioning block are provided with anti-skid structures.
The anti-skid structure of the positioning block is a groove structure.
The anti-slip structure is positioned at the lower part of the arc-shaped surface of the positioning block, the center in the front-rear direction and the lower part of the plane of the positioning block.
After the structure is adopted, the groove mechanism is adopted to conduct anti-skid treatment on the positioning block, so that friction force between the positioning block and a casting is increased, casting sliding is reduced, the lower part of an arc-shaped surface of the positioning block, the center of the front-back direction and the lower part of a plane of the positioning block are increased when the positioning block is inserted into corresponding positions and is tightly supported, and damage to the casting during grinding is avoided.
Be equipped with dustproof backplate on the floating end base, dustproof backplate is located the both sides of floating end base, prevents that foreign matter such as iron fillings, dust from getting into inside, has made things convenient for clean process, avoids the damage that the foreign matter caused.
The upper surface of dustproof backplate is the inclined plane that inside-out height reduces gradually, and the iron fillings dust of being convenient for has further made things convenient for follow-up clearance along dustproof backplate's upper surface landing.
In conclusion, the utility model has the advantages of being suitable for mixed line production of various sizes, improving production efficiency, improving grinding precision and the like.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic top view of the structure of FIG. 1;
FIG. 3 is a schematic view of the structure of FIG. 1 from the left;
fig. 4 is a schematic view of a structure in which a cylinder block is mounted on the present utility model;
FIG. 5 is a schematic view of the structure taken along line A-A in FIG. 4;
FIG. 6 is a schematic view of a crankcase mounted to the present utility model;
fig. 7 is a schematic view of the structure taken along line B-B in fig. 6.
Detailed Description
As shown in fig. 1 to 3, the present utility model includes a fixed end base 1 and a floating end base 2 that can move left and right. The fixed end base 1 and the movable positioning block 3 which can be plugged into the cylinder barrel of the cylinder block 4 and the bearing wall of the crankcase 5 simultaneously are arranged, and the positioning block 3 plays a role in positioning the cylinder block 4 or the crankcase 5. The fixed end mount 1 and the floating end mount 2 are provided with a cylinder block support bar 41 for supporting four corners of the cylinder block 4 and a crankcase support bar 51 for supporting four corners of the crankcase 5, and since the width of the cylinder block 4 in the front-rear direction is smaller than the width of the crankcase 5 in the front-rear direction, the cylinder block support bar 41 is located inside the crankcase support bar 51. And the cylinder body supporting rod 41 and the crankcase supporting rod 51 can not interfere with each other, and when the cylinder body 4 or the crankcase 5 is replaced, the mould is not required to be adjusted, so that the manpower resource is saved, and the efficiency is improved. The floating end base 2 has a driving device capable of driving the floating end base 2 to move left and right, and in this embodiment, the driving device is an oil cylinder. When the cylinder block 4 needs to be installed, the position of the floating end base 2 is driven by the driving device until the positioning blocks 3 on the fixed end base 1 and the floating end base 2 are aligned with the cylinder blocks on two sides of the cylinder block 4, the cylinder block 4 is installed on the grinding mould, the positioning blocks 3 are plugged into the cylinder barrel of the cylinder block 4, and the cylinder block 4 moves downwards until the cylinder block supporting rod 41 is attached to the cylinder block 4, so that the cylinder block 4 is supported. The floating end of the positioning block 3 is controlled to move outwards through the oil cylinder, so that the cylinder body 4 is tightly supported, after the cylinder body 4 is tightly supported, the blank cloak of the cylinder body 4 is conveniently ground by the grinding die, the shaking of the cylinder body 4 is avoided, and the grinding precision is improved. When the crankcase 5 is to be mounted, the floating end mount 2 is moved to the corresponding position, except that the fixed end mount 1 and the positioning block 3 of the floating end mount 2 are aligned with the inner sides of the bearing walls of both ends of the crankcase 5. The crankcase 5 is placed on the grinding jig until the positioning block 3 enters the bearing wall of the crankcase 5, and the bottom side of the crankcase 5 contacts the crankcase support rod 51, supported by the crankcase support rod 51. The oil cylinder drives the floating end base 2, and the floating end base 2 moves outwards to tightly support the crankcase 5, so that the blank mantles of the crankcase 5 are convenient to grind. The cylinder block support bar 41 and the crankcase support bar 51 can each be adjusted in height, which further enhances the applicability to different sizes of the crankcase 5 and the cylinder block 4. Be equipped with dustproof backplate 7 on the floating end base 2, dustproof backplate 7 is located the both sides of floating end base 2, and dustproof backplate's upper surface is the inclined plane that inside-out height reduces gradually, and the iron fillings dust of being convenient for prevents that foreign matter such as iron fillings, dust from getting into inside along dustproof backplate's upper surface landing, has made things convenient for clean process, avoids the damage that the foreign matter caused.
As shown in fig. 1 to 5, in the present embodiment, the cylinder block support bar 41 includes three cylinder block support bars 41 located on the fixed end base 1 and two cylinder block support bars 41 located on the floating end base 2, wherein three cylinder block support bars 41 located on the fixed end base 1 support the front side angle and the rear side angle of the left side of the cylinder block 4, respectively, and the remaining one cylinder block support bar 41 is located at the center line of the cylinder block 4 in the front-rear direction, i.e., support bars supporting the front side angle and the rear side angle of the cylinder block 4 are located on the front-rear sides of the center support bar and are symmetrical along the center line. The two cylinder block support rods 41 on the floating-end base 2 support the front and rear side angles of the right-side end of the cylinder block 4, respectively, and the two support rods on the floating-end base 2 are symmetrically disposed along the center line. The fixed end base 1 is provided with three cylinder block supporting rods 41, and two cylinder block supporting rods 41 are mutually symmetrical, so that when the cylinder block 4 is arranged on a grinding mould, the fixed end base 1 supporting rods ensure the left stability of the cylinder block 4, and when the driven device of the floating end base 2 drives the cylinder block 4 to be tightly supported, the supporting rods of the fixed end base 1 can also keep stable support.
As shown in fig. 1 to 3, 6, and 7, the crankcase support rods 51 include four crankcase support rods 51 located at the fixed end base 1 and two crankcase support rods 51 located at the floating end base 2, and the four crankcase support rods 51 of the fixed end base 1 are divided into two groups for supporting the front side angle and the rear side angle of the left side of the crankcase 5, respectively. That is, in this embodiment, two crankcase support rods 51 are provided at the front part of the upper end surface of the fixed end base 1, the two crankcase support rods 51 are sequentially arranged front and back, the support is more stable, two crankcase support rods 51 are also provided at the rear part of the upper end surface of the fixed end base 1, the center line of the crankcase support rod 51 located at the rear side along the front and back direction is symmetrical to the front side support rod, and the two sets of crankcase support rods 51 increase the stability of supporting the left side crankcase 5. The floating end base 2 is provided with two crankcase support rods 51, and the two crankcase support rods 51 are respectively located at the front side angle lower end and the rear side angle lower end of the right side of the crankcase 5. The stability of support is guaranteed simultaneously, and convenient floating end base 2 removes, is located the tight state of propping up locating piece 3, and convenient follow-up grinding to crankcase 5. Since the width of the crankcase 5 in the front-rear direction is larger than the width of the cylinder block 4 in the front-rear direction, the crankcase support rods 51 are located outside the cylinder block support rods 41, respectively, that is, the crankcase support rods 51 supporting the front end of the crankcase 5 are located at the front side of the cylinder block support rods 41 supporting the front end of the cylinder block 4, and the crankcase support rods 51 supporting the rear end of the crankcase 5 are located at the rear side of the cylinder block support rods 41 supporting the rear end of the cylinder block 4. When supporting cylinder block 4 and crankcase 5 respectively, cylinder block bracing piece 41 and crankcase bracing piece 51 can not interfere each other, when the collinear production of multiple product, do not need to carry out the change of frock, have improved production efficiency.
As shown in fig. 1-7, the fixed end base 1 and the floating end base 2 are provided with positioning blocks 3, and the two positioning blocks 3 are symmetrical to each other. The left end face of the positioning block 3 on the fixed end base 1 is an arc-shaped face, and the right end face is a parallel face. The anti-skid design is arranged on the contact surface of the positioning block 3 and the casting, and the anti-skid outer surface increases the friction force between the anti-skid outer surface and the casting and reduces the sliding of the casting. The precision of the casting during grinding is ensured. The anti-skid structure 6 of the positioning block 3 is a groove structure. The anti-slip structure 6 is located at the lower part of the arc surface of the positioning block 3, the center in the front-rear direction and the lower part of the plane of the positioning block 3. The groove mechanism is adopted to conduct anti-skid treatment on the positioning block 3, so that friction force between the positioning block 3 and a casting is increased, the sliding of the casting is reduced, the lower part of an arc-shaped surface of the positioning block 3, the center of the front-back direction and the lower part of a plane of the positioning block 3 are increased when the positioning block 3 is inserted into corresponding positions and is tightly supported, and damage to the casting during grinding is avoided. The arcwall face can laminate mutually with the arc of the cylinder of cylinder block 4, and the arcwall face laminates with the arc of cylinder block 4, makes things convenient for locating piece 3 to remove along with floating end base 2, makes things convenient for the clamp of locating piece 3 to press from both sides tightly, reduces the slip of foundry goods simultaneously, has improved the precision of foundry goods when the grinding, planar setting and the cooperation of the bearing wall of crankcase 5 for the locating piece can cooperate crankcase 5 or cylinder block 4, and props crankcase 5 or cylinder block 4 tightly, has strengthened the suitability of locating piece 3, has guaranteed the grinding precision when the grinding simultaneously.
Claims (10)
1. The utility model provides a general grinding mould of foundry goods, its fixed end base (1) and floating end base (2) including installing on grinding equipment, characterized by: the floating end base (2) can be close to or far away from the fixed end base (1), the fixed end base (1) and the floating end base (2) are respectively provided with a positioning block (3), the positioning block (3) can be plugged between bearing walls of a cylinder barrel or a crankcase (5) of the cylinder block (4), the fixed end base (1) and the floating end base (2) are provided with cylinder block supporting rods (41) capable of supporting four corners of the cylinder block (4), and the fixed end base (1) and the floating end base (2) are provided with crankcase supporting rods (51) capable of supporting four corners of the crankcase (5).
2. The universal grinding mold for castings according to claim 1, wherein: the crankcase support rods (51) are symmetrically distributed on the front side and the rear side of the cylinder block support rod (41).
3. The universal grinding mold for castings according to claim 2, wherein: four crankcase support rods (51) and three cylinder block support rods (41) are arranged on the fixed end base (1), and two crankcase support rods (51) and two cylinder block support rods (41) are arranged on the floating end base (2).
4. The universal grinding mold for castings according to claim 1, wherein: the height of the cylinder body supporting rod (41) and the height of the crankcase supporting rod (51) can be adjusted.
5. The universal grinding mold for castings according to claim 1, wherein: the left side face of the positioning block (3) on the fixed end base (1) is an arc face, the right side face of the positioning block (3) on the fixed end base (1) is a plane, and the positioning block (3) of the floating end base (2) and the positioning block (3) of the fixed end base (1) are symmetrically arranged.
6. The universal grinding mold for castings according to claim 5, wherein: and the arc-shaped surface and the plane of the positioning block (3) are provided with an anti-slip structure (6).
7. The universal grinding mold for castings according to claim 6, wherein: the anti-skid structure (6) of the positioning block (3) is a groove structure.
8. The universal grinding mold for castings according to claim 6, wherein: the anti-skid structure (6) is positioned at the lower part of the arc-shaped surface of the positioning block (3), the center in the front-back direction and the lower part of the plane of the positioning block (3).
9. A universal grinding mold for castings according to any one of claims 1 to 8, wherein: the anti-dust protection plate (7) is arranged on the floating end base (2), and the anti-dust protection plate (7) is positioned on two sides of the floating end base (2).
10. The universal grinding mold for castings according to claim 9, wherein: the upper surface of the dustproof guard plate (7) is an inclined surface with gradually reduced height from inside to outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321393655.0U CN220330944U (en) | 2023-06-02 | 2023-06-02 | General grinding mould of foundry goods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321393655.0U CN220330944U (en) | 2023-06-02 | 2023-06-02 | General grinding mould of foundry goods |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220330944U true CN220330944U (en) | 2024-01-12 |
Family
ID=89443862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321393655.0U Active CN220330944U (en) | 2023-06-02 | 2023-06-02 | General grinding mould of foundry goods |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220330944U (en) |
-
2023
- 2023-06-02 CN CN202321393655.0U patent/CN220330944U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
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