CN219703528U - Angle supporting seat for processing slender shaft - Google Patents

Abstract

The utility model discloses an angle supporting seat for processing an slender shaft, which comprises a base, wherein the base is provided with a plurality of supporting seats; the mounting bracket is installed through positioning bolt to the upper surface of base, and the lateral surface fixedly connected with positioning sleeve of mounting bracket, positioning sleeve's internally mounted has the locating lever, and the supporting disk is installed to the lateral surface upper end of locating lever, installs the taper pin on the supporting disk, and the quantity of taper pin is two, and two taper pins alternately set up around, and this angle supporting seat for slender axles processing has two taper pins that alternately set up, moves along work piece axis direction through external transmission, makes two pins support simultaneously on the work piece excircle, offsets the cutting force of two directions, and the atress is even, and is convenient to adjust for the work piece can not form too tight or not hard up phenomenon, and is also not high to the operator requirement simultaneously.

Description

Angle supporting seat for processing slender shaft

Technical Field

The utility model relates to the technical field of slender shaft processing equipment, in particular to an angle supporting seat for slender shaft processing.

Background

The slender shaft is a common part in mechanical equipment, such as a piston rod of an oil cylinder, a main rotating shaft of a square flat screen, a butterfly rotating shaft of a butterfly drum classificator, a screw rod and the like. The shape of the slender shaft type part is not complex, and lathe turning is generally adopted. In the turning process, due to the fact that rigidity is poor, the slender shaft is easy to deform under the action of cutting force, self gravity, rotating centrifugal force and cutting heat, accuracy of relative movement of a cutter and a part is damaged, the machined slender shaft is enabled to generate a bamboo joint shape with thick middle and thin two ends, and machining accuracy of the part is seriously affected. Meanwhile, after the slender shaft is bent and deformed, the process system can be vibrated, and the roughness of the part is seriously affected.

At present, the slender shaft type part is turned by domestic manufacturers, and is usually machined by adopting a center frame or a follower rest, the use process of the traditional follower rest has requirements on the operator technology, and two supporting claws are not easy to adjust, so that a workpiece can form a bamboo joint shape due to overtightening or overloosening.

Disclosure of Invention

The utility model provides an angle supporting seat for processing an slender shaft, which is provided with two conical pins which are arranged in a crossing way, and the two pins are simultaneously supported on the outer circle of a workpiece through external transmission along the axial direction of the workpiece, so that the cutting force in the two directions is counteracted, the stress is uniform, the adjustment is convenient, the workpiece cannot form an overtightening or loosening phenomenon, the requirement on an operator is low, and the problem in the background technology can be effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an angle supporting seat for processing an slender shaft comprises a base; the upper surface of base passes through positioning bolt and installs the mounting bracket, and the lateral surface fixedly connected with positioning sleeve of mounting bracket, and positioning sleeve's internally mounted has the locating lever, and the supporting disk is installed to the lateral surface upper end of locating lever, installs the taper pin on the supporting disk, and the quantity of taper pin is two, and two taper pins alternately set up around.

Preferably, the lower end of the outer side surface of the base is provided with at least two mounting holes.

Preferably, the positioning sleeve is obliquely arranged.

Preferably, the locating rod is arranged at the upper end of the inner side surface of the locating sleeve, an internal thread locating hole is formed in the lower end of the outer side surface of the locating rod, a locating sliding groove is formed in the outer side surface of the locating rod, a fastening screw is connected with the outer side surface of the locating sleeve in a threaded mode, the end portion of the fastening screw is arranged on the inner side surface of the locating sliding groove, and an adjusting bolt penetrates through the locating sleeve to be in threaded connection with the internal thread locating hole formed in the locating rod.

Preferably, the adjusting bolt is composed of stepped screws at two ends, and the thread directions of the stepped screws at two ends are opposite.

Preferably, the intersection of the two conical pins is disposed at an end remote from the locating lever.

Compared with the prior art, the utility model has the beneficial effects that:

1. the angle support seat for processing the slender shaft is provided with the two crossed taper pins, and the two taper pins are moved along the axial direction of the workpiece through external transmission, so that the two taper pins are simultaneously supported on the excircle of the workpiece, the cutting forces in the two directions are counteracted, the stress is uniform, the adjustment is convenient, the workpiece cannot form an overtightening or loosening phenomenon, and meanwhile, the requirement on an operator is not high;

2. the base is arranged on a slide plate in a lathe, a shaft part to be processed passes through a supporting disc, one end of the shaft part to be processed is fixed on a lathe fixture chuck, the other end of the shaft part to be processed is tightly propped by a center, and two taper pins on the supporting disc are propped on the outer circle of a workpiece through adjustment of an adjusting screw;

3. when the device is used, the two taper pins are contacted with the outer surface of the workpiece to form two stress points, the tool nose of the turning tool is contacted with the workpiece to form a third stress point, and the acting forces of the three stress points are mutually offset, so that the workpiece can be effectively prevented from jumping in the processing process.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the support plate and the positioning rod connected together;

fig. 3 is a schematic structural view of an adjusting bolt.

In the figure: 1 supporting disk, 2 taper pins, 3 fastening screws, 4 positioning sleeves, 5 adjusting bolts, 6 bases, 7 mounting holes, 8 positioning bolts, 9 mounting frames and 10 positioning rods.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, if directional descriptions such as "upper", "lower", "front", "rear", "left", "right", etc. are referred to as directions or positional relationships based on those shown in fig. 1, they are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. When a feature is referred to as being "disposed," "secured" or "connected" to another feature, it can be directly disposed, secured or connected to the other feature or it can be indirectly disposed, secured or connected to the other feature.

Referring to fig. 1-3, the present utility model provides a technical solution: an angle supporting seat for processing an slender shaft comprises a base 6; the upper surface of base 6 passes through positioning bolt 8 and installs mounting bracket 9, and the lateral surface fixedly connected with positioning sleeve 4 of mounting bracket 9, and positioning sleeve 4's internally mounted has locating lever 10, and supporting disk 1 is installed to locating lever 10's lateral surface upper end, installs taper pin 2 on the supporting disk 1, and the quantity of taper pin 2 is two, and two taper pins 2 crisscross setting around.

Specifically, there are two taper pins 2 that form 70 on the supporting disk 1, and positioning sleeve 4 personally submits 40 with the level, through the conversion of these two angles, make two pins support on the work piece excircle simultaneously, offset the power of two directions, the atress is even, and it is convenient to adjust, can not form the phenomenon of overtightening, and is not high to the operator's requirement.

Further, the lower end of the outer side surface of the base 6 is provided with at least two mounting holes 7.

Specifically, the base 6 may be secured to the lathe carriage by mounting holes 7.

Further, the positioning sleeve 4 is obliquely arranged.

Specifically, the sleeve 4 forms an included angle of 40 degrees with the horizontal plane.

Still further, locating lever 10 sets up in locating sleeve 4's medial surface upper end, and locating lever 10's lateral surface lower extreme is equipped with the internal thread locating hole, and locating lever 10's lateral surface is equipped with the location spout, and locating sleeve 4's lateral surface threaded connection has fastening screw 3, and fastening screw 3's tip setting is at the medial surface of locating spout, and adjusting bolt 5 passes locating sleeve 4 and the internal thread locating hole threaded connection who sets up on locating lever 10.

Specifically, a back-pull type supporting mode is adopted, so that vibration of the workpiece is effectively prevented.

Further, the adjusting bolt 5 is composed of stepped screws at two ends, and the thread directions of the stepped screws at two ends are opposite.

Specifically, the adjusting bolt 5 adopts a left-right thread design, so that a thread gap is eliminated, the transmission is stable, and the positioning rod cannot move up and down in the process of supporting a workpiece.

Further, the intersection of the two conical pins 2 is arranged at the end remote from the positioning rod 10.

Specifically, two taper pins 2 are tightly matched with taper holes, so that the taper pins are not easy to fall off, are convenient to replace after being worn, and are made of brass, so that the taper pin is good in rigidity, not easy to deform and good in wear resistance.

More specifically, the support plate 1 is adopted to make the structure stable and not easy to deform.

When in use: the base 6 is arranged on a slide plate in a lathe, a shaft part to be processed passes through the supporting disc 1, one end of the shaft part to be processed is fixed on a lathe fixture chuck, the other end of the shaft part to be processed is tightly propped by a tip, and two taper pins 2 on the supporting disc 1 are propped on the outer circle of a workpiece through adjustment of the adjusting screw 5. When the device is used, the two taper pins 2 are contacted with the outer surface of the workpiece to form two stress points, the tool nose of the turning tool is contacted with the workpiece to form a third stress point, and the acting forces of the three stress points are mutually counteracted, so that the workpiece can be effectively prevented from jumping in the processing process.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. An angle supporting seat for processing an slender shaft, which is characterized in that: comprises a base (6); the upper surface of base (6) is installed mounting bracket (9) through locating bolt (8), and the lateral surface fixedly connected with positioning sleeve (4) of mounting bracket (9), and internally mounted of positioning sleeve (4) has locating lever (10), and supporting disk (1) is installed to lateral surface upper end of locating lever (10), installs taper pin (2) on supporting disk (1), and the quantity of taper pin (2) is two, and two taper pins (2) crisscross setting around.

2. An angle support for an elongated shaft as set forth in claim 1 wherein: the lower end of the outer side surface of the base (6) is provided with at least two mounting holes (7).

3. An angle support for an elongated shaft as set forth in claim 1 wherein: the positioning sleeve (4) is obliquely arranged.

4. An angle support for use in the machining of elongated shafts as claimed in claim 3, wherein: the locating rod (10) is arranged at the upper end of the inner side face of the locating sleeve (4), an internal thread locating hole is formed in the lower end of the outer side face of the locating rod (10), a locating sliding groove is formed in the outer side face of the locating rod (10), a fastening screw (3) is connected with the outer side face of the locating sleeve (4) in a threaded mode, the end portion of the fastening screw (3) is arranged on the inner side face of the locating sliding groove, and an adjusting bolt (5) penetrates through the locating sleeve (4) to be in threaded connection with the internal thread locating hole formed in the locating rod (10).

5. The angle support for machining an elongated shaft of claim 4, wherein: the adjusting bolt (5) is composed of stepped screws at two ends, and the thread directions of the stepped screws at two ends are opposite.

6. An angle support for use in the machining of elongate shafts according to any one of claims 1 to 5, wherein: the intersection of the two taper pins (2) is arranged at one end far away from the positioning rod (10).