CN216065660U - Combined boring machine for processing piston pin holes - Google Patents
Combined boring machine for processing piston pin holes Download PDFInfo
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- CN216065660U CN216065660U CN202122788183.6U CN202122788183U CN216065660U CN 216065660 U CN216065660 U CN 216065660U CN 202122788183 U CN202122788183 U CN 202122788183U CN 216065660 U CN216065660 U CN 216065660U
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Abstract
The utility model provides a combined boring machine for processing piston pin holes, which comprises a workbench, wherein a supporting plate is arranged on the workbench, the supporting plate is provided with a first motor which is connected with a fixed table through a rotating shaft, the fixed table is provided with a sealing cover, telescopic air cylinders are arranged on the two sides of the rotating shaft of the fixed table, one side of the fixed platform connected with the rotating shaft is provided with a fixed hole matched with the telescopic cylinder in shape, the two sides of the fixed table are provided with screw rod slide rails on the worktable in a mirror image manner, the screw rod slide rails are connected with an electric telescopic rod through slide blocks, the top end of the electric telescopic rod is connected with a protective shell, a transmission shaft is arranged in the protective shell, a drill bit is arranged at one end of the transmission shaft close to the fixed platform, the other end of the transmission shaft is provided with a second motor, and a cylindrical inner hole cutter and a truncated cone-shaped inner hole cutter are respectively fixed on the drill bits on the two sides of the fixed table.
Description
Technical Field
The utility model belongs to the technical field of piston pin processing equipment, and particularly relates to a combined boring machine for processing piston pin holes.
Background
The wrist pin is a cylindrical pin mounted on the skirt of the piston. The middle part of the connecting rod passes through a small end hole of the connecting rod and is used for connecting the piston and the connecting rod, and the function of the connecting rod is to transmit the gas acting force borne by the piston to the connecting rod or to enable the small end of the connecting rod to drive the piston to move together.
The existing piston pin has a main body in the shape of a thick-wall hollow cylinder, and the inner hole of the existing piston pin has a cylindrical shape, two sections of truncated cone shapes and a combined shape. Wherein, the structure of combination shape piston pin mainly includes a hollow cylinder, is equipped with two sections truncated cone shape holes and a section cylindrical bore of intercommunication each other in the hollow cylinder, because the internal diameter of truncated cone shape hole is different with cylindrical bore, when holing the combination shape piston pin, need successively drill the piston pin through the drill bit of difference, nevertheless disassemble the in-process with the installation to the drill bit, easily lead to the position of drill bit to take place small skew to influence the machining precision of piston pin hole.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides a combined boring machine for machining piston pin holes.
The utility model provides a combined boring machine for processing piston pin holes, which is characterized in that: comprises a workbench, a supporting plate is arranged on the workbench, a first motor is arranged on the supporting plate, the first motor is connected with a fixed table through a rotating shaft, a plurality of limiting studs are arranged on the fixed table, the plurality of limit studs are connected with seal covers through corresponding nuts, telescopic air cylinders are arranged on the two sides of the rotating shaft of the fixed platform, one side of the fixed platform connected with the rotating shaft is provided with a fixed hole matched with the telescopic cylinder in shape, the two sides of the fixed table are provided with screw rod slide rails on the worktable in a mirror image manner, the screw rod slide rails are connected with an electric telescopic rod through slide blocks, the top end of the electric telescopic rod is connected with a protective shell, a transmission shaft is arranged in the protective shell, a drill bit is arranged at one end of the transmission shaft close to the fixed platform, the other end of the transmission shaft is provided with a second motor, and a cylindrical inner hole cutter and a truncated cone-shaped inner hole cutter are respectively fixed on the drill bits on the two sides of the fixed table.
The central line of the fixed table and the central lines of the drill bits on the two sides are positioned on the same straight line.
The shape phase-match after fixed station and closing cap lock, first motor is connected through pivot and the intermediate position after fixed station and closing cap lock, be provided with on the closing cap with a plurality of spacing double-screw bolt shape assorted through-holes.
The middle position in the fixed station is provided with a first limiting clamping groove, and the sealing cover is provided with a second limiting clamping groove corresponding to the first limiting clamping groove.
And the electric telescopic rod is provided with scale marks.
And a third motor is arranged at one end of the screw rod slide rail, the screw rod slide rail is arranged in parallel with the transmission shaft, and the screw rod slide rail and the slide block are both positioned on one side of the support plate.
The protective housing is internally provided with a plurality of supporting blocks, the supporting blocks are provided with through holes matched with the shape of the transmission shaft, and the protective housing is rotatably connected with the transmission shaft.
The second motor is located the inside of protective housing, the protective housing is located second motor department and is provided with a plurality of louvres.
The utility model has the beneficial effects that: this combination boring machine treats the piston pin of processing through rotating, and the direction of piston pin when changing processing piston pin hole to reach the cutter of changing on the drill bit, convenient and fast, and carry on spacingly through telescopic cylinder to the fixed station, guarantee that it rotates the back and the horizontal position before rotating is the same, and can carry out the secondary through the height that the fine setting drill bit was located and punch to the both ends of piston pin hole, make convenient more, swift of combined shape piston pin processing.
Drawings
FIG. 1 is a structural diagram of a combined boring machine for machining piston pin holes.
FIG. 2 is an enlarged view of the structure at the position A of the combined boring machine for machining the piston pin hole.
FIG. 3 is a cross-sectional view of a combined boring machine for piston pin hole machining according to the present invention.
(1, workbench; 2, supporting plate; 3, first motor; 4, fixed table; 5, rotating shaft; 6, limit stud; 7, sealing cover; 8, nut; 9, telescopic cylinder; 10, screw rod slide rail; 11, slide block; 12, electric telescopic rod; 13, protective shell; 14, transmission shaft; 15, drill bit; 16, second motor; 17, cylindrical inner hole cutter; 18, truncated cone inner hole cutter; 19, first limit slot; 20, second limit slot; 21, third motor; 22, supporting block)
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
the utility model provides a combined boring machine for processing piston pin holes, which comprises a workbench 1, wherein a support plate 2 is arranged on the workbench 1, a first motor 3 is arranged on the support plate 2, the first motor 3 is connected with a fixed table 4 through a rotating shaft 5, a plurality of limit studs 6 are arranged on the fixed table 4, the limit studs 6 are connected with a sealing cover 7 through corresponding nuts 8, telescopic cylinders 9 are arranged on two sides of the rotating shaft of the fixed table 4, a fixed hole matched with the telescopic cylinder 9 in shape is arranged on one side of the fixed table 4 connected with the rotating shaft 5, a screw rod slide rail 10 is arranged on the workbench 1 on two sides of the fixed table 4 in a mirror image manner, the screw rod slide rail 10 is connected with an electric telescopic rod 12 through a slide block 11, the top end of the electric telescopic rod 12 is connected with a protective housing 13, a transmission shaft 14 is arranged inside the protective housing 13, and a drill bit 15 is arranged at one end of the transmission shaft 14 close to the fixed table 4, the other end of the transmission shaft 14 is provided with a second motor 16, and a cylindrical inner hole cutter 17 and a truncated cone shaped inner hole cutter 18 are respectively fixed on the drill 15 at the two sides of the fixed table 4.
The center line of the fixed table 4 and the center lines of the drills 15 on both sides are positioned on the same straight line.
The shape phase-match after fixed station 4 and closing cap 7 lock, first motor 3 is connected through pivot and the intermediate position after fixed station 4 and closing cap 7 lock, be provided with on the closing cap 7 with a plurality of spacing double-screw bolt 6 shape assorted through-holes.
A first limiting clamping groove 19 is formed in the middle of the inner portion of the fixed table 4, and a second limiting clamping groove 20 corresponding to the first limiting clamping groove 19 is formed in the sealing cover 7.
The electric telescopic rod 12 is provided with scale marks, so that a basis is provided for adjusting the height of the electric telescopic rod 12.
One end of the screw rod slide rail 10 is provided with a third motor 21, the screw rod slide rail 10 is arranged in parallel with the transmission shaft 14, and the screw rod slide rail 10 and the slide block 11 are both positioned at one side of the support plate 2.
A plurality of supporting blocks 22 are arranged inside the protective shell 13, through holes matched with the shape of the transmission shaft 14 are formed in the supporting blocks 22, and the protective shell 13 is rotatably connected with the transmission shaft 14.
The second motor 16 is located inside the protective casing 13, and a plurality of heat dissipation holes are formed in the protective casing 13 at the position of the second motor 16.
The working principle of the utility model is as follows: the device is reset, then the nut on the limit stud is taken down, the sealing cover is moved upwards along the limit stud, the piston pin is placed between the first limit clamping groove and the second limit clamping groove, and the sealing cover and the fixing platform are fixed by screwing the nut; adjusting the positions of the drill bit where the cylindrical inner hole cutter and the truncated cone-shaped inner hole cutter are located through the lead screw sliding rail and the electric telescopic rod, then starting the boring machine, drilling the piston pin through the cylindrical inner hole cutter, and cutting the truncated cone-shaped inner hole at one end of the piston pin through the truncated cone-shaped inner hole cutter at the other end after the cylindrical inner hole is finished; after the cutting of the truncated cone shape hole of one end is accomplished, the telescopic cylinder shrink of pivot both sides, leave the fixed orifices that corresponds on the fixed station, first motor drives the rotatory 180 degrees of fixed station through the pivot, later telescopic cylinder stretches out, it is downthehole to make the top insert the fixed station once more, guarantee the level of fixed station position, and adjust the electric telescopic handle's of truncated cone shape hole cutter one side height once more according to the size of piston pin, drill the other end of piston pin, the skew that the change cutter leads to has been reduced, and the piston pin rotates the fixed value that highly locates for the variation in size after according to the variation in size, only need the adjustment fixed value that the record piston pin corresponds can be quick to process, need not change the cutter, and loss of precision is little.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiments shown in the detailed description are only one of the embodiments of the present invention, and the actual configuration is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (8)
1. The utility model provides a combination boring machine for piston pin hole processing which characterized in that: comprises a workbench (1), a supporting plate (2) is arranged on the workbench (1), a first motor (3) is arranged on the supporting plate (2), the first motor (3) is connected with a fixed platform (4) through a rotating shaft (5), a plurality of limiting studs (6) are arranged on the fixed platform (4), the limiting studs (6) are connected with a sealing cover (7) through corresponding nuts (8), telescopic cylinders (9) are arranged on two sides of the rotating shaft of the fixed platform (4), a fixing hole matched with the shape of the telescopic cylinder (9) is arranged on one side of the fixed platform (4) connected with the rotating shaft (5), a screw rod sliding rail (10) is arranged on two sides of the fixed platform (4) on the workbench (1) in a mirror image manner, the screw rod sliding rail (10) is connected with an electric telescopic rod (12) through a sliding block (11), the top end of the electric telescopic rod (12) is connected with a protective shell (13), the protective housing (13) is inside to be provided with transmission shaft (14), the one end that transmission shaft (14) is close to fixed station (4) is provided with drill bit (15), the other end of transmission shaft (14) is provided with second motor (16), be fixed with cylindrical inner bore cutter (17) and truncated cone shape inner bore cutter (18) on drill bit (15) of fixed station (4) both sides respectively.
2. The combined boring machine for machining the piston pin hole as claimed in claim 1, wherein: the central line of the fixed table (4) and the central lines of the drill bits (15) on the two sides are positioned on the same straight line.
3. The combined boring machine for machining the piston pin hole as claimed in claim 1, wherein: the shape phase-match behind fixed station (4) and closing cap (7) lock, first motor (3) are connected through pivot and the intermediate position behind fixed station (4) and the closing cap (7) lock, be provided with on closing cap (7) with a plurality of spacing double-screw bolt (6) shape assorted through-hole.
4. The combined boring machine for machining the piston pin hole as claimed in claim 1, wherein: a first limiting clamping groove (19) is formed in the middle of the inner portion of the fixed table (4), and a second limiting clamping groove (20) corresponding to the first limiting clamping groove (19) is formed in the sealing cover (7).
5. The combined boring machine for machining the piston pin hole as claimed in claim 1, wherein: the electric telescopic rod (12) is provided with scale marks.
6. The combined boring machine for machining the piston pin hole as claimed in claim 1, wherein: and a third motor (21) is arranged at one end of the screw rod sliding rail (10), the screw rod sliding rail (10) is arranged in parallel with the transmission shaft (14), and the screw rod sliding rail (10) and the sliding block (11) are both positioned on one side of the supporting plate (2).
7. The combined boring machine for machining the piston pin hole as claimed in claim 1, wherein: the protective shell (13) is internally provided with a plurality of supporting blocks (22), through holes matched with the shape of the transmission shaft (14) are formed in the supporting blocks (22), and the protective shell (13) is rotatably connected with the transmission shaft (14).
8. The combined boring machine for machining the piston pin hole as claimed in claim 1, wherein: the second motor (16) is located inside the protective shell (13), and a plurality of heat dissipation holes are formed in the position, located on the second motor (16), of the protective shell (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122788183.6U CN216065660U (en) | 2021-11-15 | 2021-11-15 | Combined boring machine for processing piston pin holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122788183.6U CN216065660U (en) | 2021-11-15 | 2021-11-15 | Combined boring machine for processing piston pin holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216065660U true CN216065660U (en) | 2022-03-18 |
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ID=80661163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122788183.6U Active CN216065660U (en) | 2021-11-15 | 2021-11-15 | Combined boring machine for processing piston pin holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216065660U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117733201A (en) * | 2023-12-05 | 2024-03-22 | 无锡市悦斯顿冶金设备有限公司 | Special processing boring machine for taper holes of eccentric sleeves of hot rolling mills |
-
2021
- 2021-11-15 CN CN202122788183.6U patent/CN216065660U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117733201A (en) * | 2023-12-05 | 2024-03-22 | 无锡市悦斯顿冶金设备有限公司 | Special processing boring machine for taper holes of eccentric sleeves of hot rolling mills |
| CN117733201B (en) * | 2023-12-05 | 2024-05-28 | 无锡市悦斯顿冶金设备有限公司 | Special processing boring machine for taper holes of eccentric sleeves of hot rolling mills |
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