CN212371709U - Fixing device convenient to radial drilling of axle sleeve - Google Patents
Fixing device convenient to radial drilling of axle sleeve Download PDFInfo
- Publication number
- CN212371709U CN212371709U CN202020940334.8U CN202020940334U CN212371709U CN 212371709 U CN212371709 U CN 212371709U CN 202020940334 U CN202020940334 U CN 202020940334U CN 212371709 U CN212371709 U CN 212371709U
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- drilling
- fixing device
- guide holder
- shaft sleeve
- pin
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Abstract
The utility model discloses a fixing device convenient to axle sleeve radially drills belongs to axle sleeve processing technology field, and its technical scheme main points are including the installation base, arrange the bushing on the installation base in, the bushing is equipped with and is the circular shape inner chamber, the footplate upwards is equipped with the drilling cover, and the inner chamber is equipped with the ejector pin along the both sides of axis, and the one end of ejector pin is equipped with the kicking block that is the taper, and the other end of ejector pin is equipped with the cylinder, the lateral wall of bushing is equipped with the guide holder, the guide holder is hollow structure, the one end of guide holder be equipped with the connecting portion of bushing fixed connection, the other end of guide holder is equipped with the installation lid, the inside of guide holder is equipped with the locating pin, and the locating pin runs through connecting portion and. The shaft sleeve radial drilling fixing device is simple in structure, convenient to clamp and convenient to position.
Description
Technical Field
The utility model belongs to the technical field of the axle sleeve processing, especially, relate to a fixing device convenient to axle sleeve radial drilling.
Background
The shaft sleeve is a cylindrical mechanical part sleeved on the rotating shaft and is a component of the sliding bearing. Because axle sleeve class part external profile is cylindrical and the surface is smooth, when radial drilling, the comparison is difficult to the operation, and traditional axle sleeve fixing device only adopts the chuck to carry out the chucking location, and the process time is one long, appears sliding easily between axle sleeve and the chuck, causes fixed not firm, and then seriously influences the drilling accuracy.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the technical problem who exists to the aforesaid, provide a simple structure, be convenient for press from both sides tight, be convenient for the axle sleeve fixing device that radially drills of location.
The purpose of the utility model is realized like this: the utility model provides a fixing device convenient to radial drilling of axle sleeve, includes the installation base, arranges the bushing plate on the installation base in, the bushing plate is equipped with and is the circular shape inner chamber, the footpath of bushing plate upwards is equipped with the drilling cover, and the inner chamber is equipped with the ejector pin along the both sides of axis, and the one end of ejector pin is equipped with the kicking block that is the taper, and the other end of ejector pin is equipped with the cylinder, the lateral wall of bushing plate is equipped with the guide holder, the guide holder is hollow structure, the one end of guide holder be equipped with bushing plate fixed connection's connecting portion, the other end of guide holder is equipped with the installation lid, the inside of guide holder is equipped with the locating pin.
By adopting the technical scheme, the contact area of the fixing device and the workbench of the drilling machine is increased on the mounting base, so that the drilling processing is more stable, the drilling plate is connected to the mounting base by welding, the drilling plate is provided with a circular inner cavity, the inner cavity is matched with a processed shaft sleeve, the shaft sleeve is arranged in the inner cavity during processing, a drilling sleeve is radially arranged on the drilling plate, the processed shaft sleeve is cylindrical and has a smooth outer surface, the drill bit is prevented from slipping and deviating by the drilling sleeve during drilling processing, so that the processing precision is reduced, ejector rods are arranged on the two sides of the inner cavity along the axis, one end of each ejector rod is provided with a conical ejector block, the other end of each ejector rod is provided with an air cylinder, the processed shaft sleeve is clamped under the action of the air cylinder through the ejector rod, the shaft sleeve is conveniently and stably fixed, the shaft sleeve is prevented from moving along the axis during, increase the machining precision, the lateral wall of bushing plate is provided with the guide holder, the guide holder is hollow structure, the one end of guide holder is provided with the connecting portion with bushing plate fixed connection, the other end of guide holder is provided with the installation lid, the inside of guide holder is provided with the locating pin, the locating pin runs through connecting portion and installation lid, guide holder and connecting portion an organic whole are connected, connecting portion and bushing plate pass through threaded connection, the dismouting of being convenient for, the installation lid passes through threaded connection with the guide holder, the first drilling of an axle sleeve does not use the locating pin processing, later drilling processing is fixed a position through the locating pin, make drilling more precision more accurate.
The utility model discloses further set up to: the positioning pin is provided with a clamping pull ring, and a spring is arranged between the clamping pull ring and the mounting cover.
Through adopting above-mentioned technical scheme, the locating pin is provided with the card pull ring, is provided with the spring between card pull ring and the installation lid, prevents through the card pull ring that the locating pin from falling into the inner chamber, and the spring is fixed through drilling location when making the locating pin use to the card pull ring effect, makes the locating pin use convenient more laborsaving, and prevents that the axle sleeve from adding man-hour along circumferential movement.
The utility model discloses further set up to: the ejector rod is provided with a guide plate fixedly connected with the mounting base.
Through adopting above-mentioned technical scheme, the ejector pin is provided with and passes through the deflector of screw connection with the installation base, and the ejector pin runs through the deflector, prevents through the deflector that the ejector pin from taking place to buckle after long-time the use, guarantees the machining precision of axle sleeve, increases the life of ejector pin.
The utility model discloses further set up to: the outer surface of the positioning pin is provided with anti-skid grains.
Through adopting above-mentioned technical scheme, the surface of locating pin is equipped with anti-skidding line, increases the area of contact of locating pin and hand through anti-skidding line, and it slides when preventing that the locating pin from taking out and drawing out the use, makes the locating pin use more convenient, increases machining efficiency.
The utility model discloses further set up to: the end surface of the positioning pin arranged in the inner cavity is provided with a conical positioning surface.
Through adopting above-mentioned technical scheme, the terminal surface that the inner chamber was arranged in to the locating pin is provided with the locating surface that is the taper, and the locating surface passes through the lathe work shaping, and the locating surface makes the location more accurate, fixes more firmly after the location, and difficult not hard up improves the machining precision.
The utility model has the advantages that:
1. the drill plate and the drill sleeve on the drill plate prevent a drill from slipping when the drill machine drills the shaft sleeve, and machining precision of drilling is improved.
2. The shaft sleeve is clamped and fixed through the ejector rod, the ejector block and the air cylinder, the shaft sleeve is prevented from moving along the axis direction, and the processing precision of the shaft sleeve in the axis direction is increased.
3. The shaft sleeve is convenient to position and fix through the guide seat, the positioning pin and the spring, and the machining precision among the drill holes is increased.
Drawings
FIG. 1 is a schematic structural view of an embodiment of the fixing device for facilitating radial drilling of a shaft sleeve according to the present invention;
fig. 2 is a schematic cross-sectional view of an embodiment of the guide seat of the present invention;
the reference numbers in the figure, 1-installation base, 2-drilling plate, 21-inner cavity, 22-drilling sleeve, 3-ejector rod, 4-ejector block, 5-air cylinder, 6-guide seat, 61-connecting part, 7-positioning pin, 71-clamping pull ring, 72-anti-skid line, 73-positioning surface, 74-spring, 8-installation cover and 9-guide plate.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following description clearly and completely describes the technical solution in the embodiment of the present invention with reference to fig. 1 to 2:
a fixing device convenient for radial drilling of a shaft sleeve is characterized in that a mounting base 1 increases the contact area of the fixing device and a workbench of a drilling machine, so that the drilling machining is more stable, a drilling plate 2 is connected to the mounting base 1 through welding, the drilling plate 2 is provided with a circular inner cavity 21, the inner cavity 21 is matched with the machined shaft sleeve, the shaft sleeve is placed into the inner cavity 21 during machining, a drilling sleeve 22 is arranged in the radial direction of the drilling plate 2, the machined shaft sleeve is cylindrical and smooth in outer surface, the drill bit is prevented from slipping and deviating during rotary drilling machining through the drilling sleeve 22, so that the machining precision is reduced, ejector rods 3 are arranged on the two sides of the axis of the inner cavity 21, one end of each ejector rod 3 is provided with a conical ejector block 4, the other end of each ejector rod 3 is provided with an air cylinder 5, the machined shaft sleeve is clamped under the action of the air cylinder 5 through the ejector, make the machining precision more accurate, kicking block 4 increases the axiality of axle sleeve and ejector pin 3, increase the machining precision, the lateral wall of bushing plate 2 is provided with guide holder 6, guide holder 6 is hollow structure, the one end of guide holder 6 is provided with connecting portion 61 with 2 fixed connection of bushing plate, the other end of guide holder 6 is provided with installation lid 8, the inside of guide holder 6 is provided with locating pin 7, locating pin 7 runs through connecting portion 61 and installation lid 8, guide holder 6 and connecting portion 61 body coupling, connecting portion 61 passes through threaded connection with bushing plate 2, the dismouting of being convenient for, installation lid 8 passes through threaded connection with guide holder 6, the first drilling of an axle sleeve does not use locating pin 7 to process, later drilling processing is fixed a position through locating pin 7, make the more accurate precision of drilling.
The positioning pin 7 is provided with a clamping pull ring 71, a spring 74 is arranged between the clamping pull ring 71 and the mounting cover 8, the positioning pin 7 is prevented from falling into the inner cavity 21 through the clamping pull ring 71, the spring 74 is used for positioning and fixing the positioning pin 7 through drilling when acting on the clamping pull ring 71, the positioning pin 7 is more convenient and labor-saving to use, and the shaft sleeve is prevented from moving along the circumferential direction during processing.
The surface of locating pin 7 is equipped with anti-skidding line 72, increases the area of contact of locating pin 7 and hand through anti-skidding line 72, prevents to slide when locating pin 7 pulls out the use, makes locating pin 7 use more convenient, increases machining efficiency.
The end face of locating pin 7 arranged in inner chamber 21 is provided with locating surface 73 that is the toper, and locating surface 73 passes through the lathe work shaping, and locating surface 73 makes the location more accurate, and the location after-fixing is more firm, difficult not hard up, improves the machining precision.
The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and the skilled in the art can carry out the common changes and replacements within the technical solution of the present invention.
Claims (5)
1. A fixing device convenient for radial drilling of a shaft sleeve is characterized by comprising an installation base (1) and a drilling plate (2) arranged on the installation base (1), the drill plate (2) is provided with a circular inner cavity (21), a drilling sleeve (22) is arranged on the drill plate (2) in the radial direction, ejector rods (3) are arranged on two sides of the inner cavity (21) along the axis, one end of each ejector rod (3) is provided with a conical ejector block (4), the other end of each ejector rod (3) is provided with a cylinder (5), the side wall of the drill plate (2) is provided with a guide seat (6), the guide seat (6) is of a hollow structure, one end of the guide seat (6) is provided with a connecting part (61) fixedly connected with the drill plate (2), the other end of guide holder (6) is equipped with installation lid (8), the inside of guide holder (6) is equipped with locating pin (7), and connecting portion (61) and installation lid (8) are run through in locating pin (7).
2. Fixing device for facilitating radial drilling of a shaft sleeve according to claim 1, characterized in that the positioning pin (7) is provided with a snap ring (71), and a spring (74) is provided between the snap ring (71) and the mounting cap (8).
3. Fixing device for facilitating the radial drilling of a shaft sleeve according to claim 2, characterized in that the ejector pin (3) is provided with a guide plate (9) fixedly connected with the mounting base (1).
4. A fixing device for facilitating radial drilling of a shaft sleeve according to claim 3, characterized in that the outer surface of the positioning pin (7) is provided with anti-slip threads (72).
5. A fixing device for facilitating radial drilling of a shaft sleeve according to claim 4, characterized in that the end surface of the positioning pin (7) arranged in the inner cavity (21) is provided with a conical positioning surface (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020940334.8U CN212371709U (en) | 2020-05-28 | 2020-05-28 | Fixing device convenient to radial drilling of axle sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020940334.8U CN212371709U (en) | 2020-05-28 | 2020-05-28 | Fixing device convenient to radial drilling of axle sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212371709U true CN212371709U (en) | 2021-01-19 |
Family
ID=74179202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020940334.8U Active CN212371709U (en) | 2020-05-28 | 2020-05-28 | Fixing device convenient to radial drilling of axle sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212371709U (en) |
-
2020
- 2020-05-28 CN CN202020940334.8U patent/CN212371709U/en active Active
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| GR01 | Patent grant |