CN212653250U - Inner hole polishing device for thin-wall oil tank body part - Google Patents
Inner hole polishing device for thin-wall oil tank body part Download PDFInfo
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- CN212653250U CN212653250U CN202020913443.0U CN202020913443U CN212653250U CN 212653250 U CN212653250 U CN 212653250U CN 202020913443 U CN202020913443 U CN 202020913443U CN 212653250 U CN212653250 U CN 212653250U
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Abstract
The utility model discloses a polishing device for inner holes of thin-wall oil tank body parts, which comprises a screw, a pressing sheet, a bracket, a polishing block, a transmission shaft, a spring, a bolt, a pressing plate and a flat key, wherein the screw, the pressing sheet, the bolt and the pressing plate form a locking device for fixing each mechanism, the bracket, the transmission shaft and the flat key form a transmission mechanism, used for axial and circumferential transmission, the polishing block and the spring form a flexible polishing mechanism used for polishing the inner wall of the box body, the polishing device adopts a flexible structure, gives the floating amount to radial and axial movement, can adjust the stress condition of a product in the polishing process through a spring, adopts the device, can avoid the problems of product deformation caused by uneven stress in the product polishing process, uneven coating thickness caused by deformation and the like, the device dismantles conveniently, and the accessible is changed the polishing piece and is realized the polishing of other similar products and process, can effectively improve production efficiency and quality.
Description
Technical Field
The utility model belongs to the technical field of machining, a thin wall oil tank box part hole burnishing device is related to.
Background
In recent years, with the gradual development of the civil aviation industry, the requirements on the seaworthiness and the reliability of civil aviation products are gradually improved. For commercial airborne products, the life and reliability of friction pair type products are of great concern. The box body type part of the hydraulic oil tank is taken as a typical product of an airborne friction pair type, and the roughness polishing requirement of an inner hole of the box body after surface treatment is gradually improved. For hydraulic oil tank body parts, the material is usually aluminum alloy, and the thin-wall structural characteristics of the parts are combined, so that the rigidity of the product is poor, and irreversible deformation is easily formed. Meanwhile, the deformation of the product is easy to cause the problem that the surface treatment layer fails due to the uneven polishing allowance. The currently available polishing processing schemes all have the problems of low efficiency, poor quality, poor economy and the like. Therefore, the existing polishing processing scheme needs to be optimized, and the axial pressure and the radial pressure in the product polishing process are automatically adjusted through the flexible mechanism, so that the product is prevented from deforming and efficient production is realized.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the inner hole polishing device for the thin-wall oil tank body part solves the problems of deformation, low efficiency and the like caused by unbalanced acting force during polishing of the thin-wall oil tank shell part after surface treatment through the flexible polishing mechanism, and meets the requirement of polishing roughness and improves the processing efficiency while preventing the part from deforming.
The technical scheme of the utility model:
a polishing device for inner holes of thin-wall oil tank body parts comprises a support, a transmission shaft, a polishing block, a pressing plate and a flat key, wherein the support is of a triangular structure, an inner hole is formed in the middle of the support, the transmission shaft is arranged in the inner hole of the support, a first key groove is formed in the outer circumference of the transmission shaft, a second key groove corresponding to the first key groove is formed in the hole wall of the inner hole in the middle of the support, two ends of the flat key are respectively arranged in the first key groove and the second key groove to realize the connection of the support and the transmission shaft, round holes are formed in the three end parts of the support, an I-shaped groove is formed in the tail end of the three end parts of the support, the round holes are communicated with the I-shaped groove, a spring is arranged in each round hole, one side of the polishing block is provided with an I-shaped block, the other side of the polishing surface, the polishing surface is positioned outside the I-shaped groove, an L-shaped structure is arranged at the bottom of the I-shaped groove and used for supporting the polishing block, one end of the spring is in contact with the polishing block, the other end of the spring is in contact with the inner wall of the round hole, and the pressing plate is arranged at the bottom of the inner hole in the middle of the support and connected with the transmission shaft.
The polishing device is characterized by further comprising a screw and a pressing sheet, wherein the pressing sheet is horizontally arranged at the top of the I-shaped groove through the screw, and the polishing block is prevented from sliding out of the top of the I-shaped groove.
The pressing plate is connected with the transmission shaft through a bolt.
The number of the round holes is two, and a spring is arranged in each round hole.
The polishing surface of the polishing block is a circular arc surface.
The polishing surface is coated with a layer of grinding paste.
The transmission shaft is also connected with an external machine tool spindle.
The top of the bracket is provided with a circular groove, and the groove wall of the circular groove has a distance L with the outer circumference of the transmission shaft.
The utility model has the advantages that: the utility model provides an inner hole polishing device for thin-wall oil tank body parts, which can ensure that the radial and axial stress of the thin-wall parts is smaller and balanced in the polishing process, effectively prevent the processing deformation, thereby ensuring the processing quality of the parts; the machining device can effectively improve the machining efficiency by replacing partial manual operation with machinery; the machining device can replace the polishing block according to the sizes of inner holes of different parts, so that interchangeability is realized.
Description of the drawings:
FIG. 1 is a schematic view of the structure of the device of the present invention;
fig. 2 is a cross-sectional view of the inventive device;
wherein, 1 is a screw, 2 is a pressing sheet, 3 is a bracket, and 4 is a polishing block; 5 is a transmission shaft, 6 is a spring, 7 is a bolt, 8 is a pressure plate, and 9 is a flat key.
Detailed Description
The invention is described in further detail below by way of specific examples in conjunction with the figures of the specification.
As shown in fig. 1 and 2, the inner hole polishing device for the thin-wall oil tank body part of the utility model comprises a bracket 3, a transmission shaft 5, a polishing block 4, a pressure plate 8 and a flat key 9;
the bracket 3 is of a triangular structure, and the bracket 3 is made of aluminum alloy, so that the weight of the device can be effectively reduced; the bracket 3 is of a triangular structure and has good rigidity;
the polishing block 4 is made of cast iron, a layer of grinding paste is coated on the polishing surface of the polishing block 4, and the inner wall of the box body can be efficiently polished by matching with the grinding paste with a certain specification; the polishing block 4 can be replaced according to the sizes of inner holes of different box bodies, is convenient to disassemble and has good interchangeability;
an inner hole is formed in the middle of the support 3, the transmission shaft 5 is arranged in the inner hole of the support 3, a first key groove is formed in the outer circumference of the transmission shaft 5, a second key groove corresponding to the first key groove is formed in the hole wall of the inner hole in the middle of the support 3, two ends of the flat key 9 are respectively arranged in the first key groove and the second key groove to realize the connection of the support 3 and the transmission shaft 5, the flat key 9 realizes the transmission of the transmission shaft 5 and the support 3, radial round holes are formed in the three end parts of the support 3, an I-shaped groove is formed in the tail ends of the three end parts of the support 3, the round holes are communicated with the I-shaped groove, a spring 6 is arranged in each round hole, one side of the polishing block 4 is an I-shaped block, the other side of the polishing block is an arc-shaped polishing surface, the polishing surface is attached to the, with worker shape groove clearance fit, the polishing face be located worker shape groove outside, worker shape tank bottom has an L shape structure for support polishing piece 4, 3 one end contacts polishing piece 4 of spring, other end contact round hole inner wall, carry out the flexible support through spring 6 to polishing piece 4, the flexible support of spring 6 and 3 worker shape grooves of support give the certain radial volume of scurrying of mechanism with the clearance fit of polishing piece 4, polishing piece 4 is used for providing stable radial polishing pressure, can cushion radial inhomogeneous load simultaneously.
The spring 6 and the polishing block 4 form a flexible polishing mechanism, radial load in the polishing process can be effectively and uniformly carried out, stable polishing pressure is provided, deformation of the thin-wall box body is effectively prevented, the polishing block 4 can be customized according to different pore sizes, interchangeability can be achieved, and the pressing plate 8 is arranged at the bottom of an inner hole in the middle of the support 3 and connected with the transmission shaft 5 through the bolt 7.
Still include screw 1, preforming 2 set up through 1 level of screw worker groove top prevents polishing block 4 from worker shape groove top roll-off, and screw 1 and preforming 2 carry out the axial spacingly to polishing block 4 through screw hole on the support 3 to give certain axial displacement, 3 tops of propping up be provided with a circular recess, circular recess cell wall and 5 outer circumferences of transmission shaft have a distance L, can reduce the utility model discloses the stroke of polishing also is favorable to subtracting the weight.
The number of the round holes is two, and a spring 6 is arranged in each round hole.
According to the actual aperture of the box part to be polished, the corresponding polishing block 4 is selected, the polishing block 4 is inserted into the I-shaped groove of the bracket 3, the arc surface of the polishing block 4 faces outwards during insertion, and the spring 6 can be compressed by an auxiliary tool and then is installed into the polishing block 4 when necessary. Locking preforming 2 and screw 1 carry out axial spacing to polishing block 4, and manual stirring polishing block 4 is examined whether to have axial or radial jamming. One end of the flat key 9 is embedded into the first key groove of the transmission shaft 5, and the other end of the flat key 9 is aligned with the second key groove on the support and then is integrally inserted into the hole of the support 3. Locking clamp plate 8 and bolt 7. The integrally installed rear transmission shaft 5 is in butt joint with a machine tool spindle, and product polishing is achieved by means of rotation and axial displacement of the machine tool spindle. During the polishing process, the elastic force of the spring 6, the polishing block 4 and the axial clearance can buffer the axial and radial uneven loads caused by the factors of the surface roughness of the product, the polishing medium, the positioning of a machine tool and the like.
The foregoing is directed to embodiments of the present invention, and various changes, modifications, equivalents and improvements made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents will become apparent to those skilled in the art.
Claims (8)
1. The utility model provides a thin wall oil tank box part hole burnishing device which characterized in that: comprises a bracket (3), a transmission shaft (5), a polishing block (4), a pressure plate (8) and a flat key (9), wherein the bracket (3) is of a triangular structure, an inner hole is formed in the middle of the bracket (3), the transmission shaft (5) is arranged in the inner hole of the bracket (3), a first key groove is formed in the outer circumference of the transmission shaft (5), a second key groove corresponding to the key groove is formed in the hole wall of the inner hole in the middle of the bracket (3), two ends of the flat key (9) are respectively arranged in the first key groove and the second key groove to realize the connection between the bracket (3) and the transmission shaft (5), round holes are formed in the three ends of the bracket (3), I-shaped grooves are formed in the tail ends of the three ends of the bracket (3), the round holes are communicated with the I-shaped grooves, springs (6) are arranged in the round holes, one side of the polishing block (4) is provided with I, the opposite side is the polishing face, worker shape piece set up at worker shape inslot, with worker shape groove clearance fit, the polishing face be located worker shape groove outside, worker shape tank bottom has an L shape structure for support polishing piece (4), spring (6) one end contact polishing piece (4), other end contact round hole inner wall, clamp plate (8) set up in the hole bottom of support (3) to be connected with transmission shaft (5).
2. The inner hole polishing device for the thin-wall oil tank body part as claimed in claim 1, characterized in that: the polishing device is characterized by further comprising a screw (1) and a pressing sheet (2), wherein the pressing sheet (2) is horizontally arranged at the top of the I-shaped groove through the screw (1), and the polishing block (4) is prevented from sliding out of the top of the I-shaped groove.
3. The inner hole polishing device for the thin-wall oil tank body part as claimed in claim 1, characterized in that: the pressing plate (8) is connected with the transmission shaft (5) through a bolt (7).
4. The inner hole polishing device for the thin-wall oil tank body part as claimed in claim 1, characterized in that: the number of the round holes is two, and a spring (6) is arranged in each round hole.
5. The inner hole polishing device for the thin-wall oil tank body part as claimed in claim 1, characterized in that: the polishing surface of the polishing block (4) is a circular arc surface.
6. The inner hole polishing device for the thin-wall oil tank body part as claimed in claim 5, wherein: the polishing surface is coated with a layer of grinding paste.
7. The inner hole polishing device for the thin-wall oil tank body part as claimed in claim 1, characterized in that: the transmission shaft (5) is also connected with an external machine tool spindle.
8. The inner hole polishing device for the thin-wall oil tank body part as claimed in claim 1, characterized in that: the top of the bracket (3) is provided with a circular groove, and the wall of the circular groove has a distance L with the outer circumference of the transmission shaft (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020913443.0U CN212653250U (en) | 2020-05-26 | 2020-05-26 | Inner hole polishing device for thin-wall oil tank body part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020913443.0U CN212653250U (en) | 2020-05-26 | 2020-05-26 | Inner hole polishing device for thin-wall oil tank body part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212653250U true CN212653250U (en) | 2021-03-05 |
Family
ID=74748072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020913443.0U Active CN212653250U (en) | 2020-05-26 | 2020-05-26 | Inner hole polishing device for thin-wall oil tank body part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212653250U (en) |
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2020
- 2020-05-26 CN CN202020913443.0U patent/CN212653250U/en active Active
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