CN210305265U

CN210305265U - Extension roller rotary pressing device

Info

Publication number: CN210305265U
Application number: CN201920915298.7U
Authority: CN
Inventors: 徐兴福
Original assignee: BAOJI TIANBANG NICKEL TITANIUM CO LTD
Current assignee: BAOJI TIANBANG NICKEL TITANIUM CO LTD
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-04-14
Anticipated expiration: 2029-06-18

Abstract

The utility model discloses a draw running roller spinning-pressing device, including step axle and spinning device, the spinning device cover is established on the step axle, the spinning device includes that the cover is established gland, bearing, spinning wheel, clamping ring and the nut on the step axle from right side to left side in proper order, all be provided with the step hole in gland and the spinning wheel, the bearing all offsets with gland and one of them diameter hole in spinning wheel step hole, another diameter hole of gland cooperates with step axle surface, the clamping ring imbeds in another diameter hole of spinning wheel; at least six threaded blind holes are formed in one side face of the spinning wheel along the circumference, counter bores are formed in the positions, corresponding to the threaded blind holes, of the pressing cover, and the counter bores are matched with the threaded blind holes through bolts; the left end of the step shaft is provided with threads, and the nut is matched with the threads. The utility model has the advantages of convenient installation, reasonable structural design, convenient use, simple installation and maintenance, simple operation and high production efficiency; and the detection can be carried out at any time, and the product quality is strictly controlled.

Description

Extension roller rotary pressing device

Technical Field

The utility model relates to a mechanical equipment manufacturing tool technical field especially relates to a draw running roller and revolve depressor.

Background

In the machining process, a plurality of hollow parts with openings are often encountered, and special procedures such as stamping by adopting a convex-concave die and the like are needed. At present, the following problems are easy to occur in the stamping process of pot-shaped parts.

1. Due to the influence of the factors of small plasticity of raw materials, small bending radius of a transition region, rough surface of a die and the like, parts are easy to crack in the stamping process.

2. Due to the reasons of high yield limit of materials, large die gap and the like, the rebound of the stamped part is increased, and the size cannot be ensured.

3. When a part is stamped, the part is pressed to be deviated due to the factors of misplacement of a plate and a female die, misalignment of an upper convex-concave die and a lower convex-concave die, local injury of the dies and the like.

4. During stamping, the edge of the test part is wavy and continuously bent due to the relatively thin thickness of the material, so that wrinkles are formed.

5. All stamped parts have non-uniform wall thickness.

6. Due to the quality problem of the die, the surface of the stamped part is easy to have the defects of indentation, scratch, pit, bulge and the like.

Disclosure of Invention

To the problem that exists, the utility model aims at providing a draw running roller depressor soon, its part that needs is small in quantity, convenient to use, installation maintain simple, application scope wide and low in manufacturing cost's advantage.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a draw running roller and revolve depressor, includes step axle and spinning device, the spinning device cover is established on the step axle, its characterized in that: the spinning device comprises a gland, a bearing, a spinning wheel, a pressure ring and a nut which are sequentially sleeved on the step shaft from right to left, step holes are formed in the gland and the spinning wheel, the bearing is abutted against one diameter hole of the step holes of the gland and the spinning wheel, the other diameter hole of the gland is matched with the surface of the step shaft, and the pressure ring is embedded into the other diameter hole of the spinning wheel; at least six threaded blind holes are formed in one side face of the spinning wheel along the circumference, counter bores are formed in the positions, corresponding to the threaded blind holes, of the pressing cover, and the counter bores are matched with the threaded blind holes through bolts; the left end of the step shaft is provided with threads, and the nut is matched with the threads.

Preferably, the nut is provided with at least four groove-shaped notches at intervals along the circumferential surface.

Preferably, a stop washer is arranged between the pressing ring and the nut, and a stop lug of the stop washer is matched with the groove-shaped notch.

Preferably, the inner circumference of the lock washer is provided with rectangular teeth, and the step shaft is provided with a key groove matched with the rectangular teeth.

Preferably, each bolt is sleeved with a distance tube, and two end faces of the distance tube are respectively abutted to the gland and the side face of the rotary wheel.

Preferably, the bearing is a set of tapered roller bearings arranged oppositely.

Preferably, the right end of the step shaft is arranged to be a cylinder or a polygonal body.

Preferably, each edge of the step shaft, the gland, the spinning wheel, the pressing ring and the nut is chamfered.

The utility model has the advantages that:

1. the installation is convenient, and the device can be matched with various rotating devices such as a lathe and the like.

2. The structure design is reasonable, the use is convenient, the installation and the maintenance are simple, and the application range is wide.

3. The operation is simple, common operators can operate the device in an upper position, the labor intensity is low, and the production efficiency is high.

4. The spinning speed of the part can be realized by adjusting the rotating speed and the running speed of the tool rest.

5. The loading and unloading operation is convenient.

6. Convenient for detection at any time and can strictly control the product quality.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the step shaft structure of the present invention.

Fig. 3 is a structure view of the nut of the present invention.

Fig. 4 is a structural view of the lock washer of the present invention.

Fig. 5 is a structure view of the spinning wheel of the present invention.

Fig. 6 is the structure diagram of the pressure ring of the present invention.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following describes the technical solution of the present invention with reference to the accompanying drawings and embodiments.

Referring to the attached drawings 1-6, the drawing roller spinning device comprises a step shaft 1 and a spinning device, wherein the spinning device is sleeved on the step shaft 1 and comprises a gland 2, a bearing 3, a spinning wheel 4, a pressing ring 5 and a nut 6 which are sequentially sleeved on the step shaft from right to left, step holes are formed in the gland 2 and the spinning wheel 4, the bearing 3 abuts against one of the step holes of the gland 2 and the spinning wheel 4, the other diameter hole of the gland 2 is matched with the surface of the step shaft 1, the gland 2 is in movable fit with the bearing 3, the matching depth is 2-5mm, and a 2mm gap is reserved at the position where the gland 2 is correspondingly matched with the step shaft 1 to avoid contact with the step shaft 1; the 5 embedding of clamping ring revolves 4 another diameter holes in the wheel, just 1mm assembly gap is left between clamping ring 5 and the wheel 4 soon, and processing one on the clamping ring 5 ends platform 51,

ends platform

51 and 3 inner rings offsets of bearing, the outer disc of 3 outer rings of bearing with revolve wheel 4 and adopt the tight fit, and inner ring inner circle face and 1 tight fit of step axle. A spigot (42) is arranged in a stepped hole of the rotary wheel 4 to prevent the bearing 3 from contacting other accessories; at least six threaded blind holes 41 are formed in one side face of the spinning wheel 4 along the circumference, counter bores 21 are formed in the positions, corresponding to the threaded blind holes 41, of the gland 2, and the counter bores 21 are matched with the threaded blind holes 41 through bolts 7; the bolt 7 is preferably an inner hexagon bolt, the sharp angle (43) of the rotary wheel 4 is an arc sharp angle, and the arc radius is less than 2.5 mm; the left end of the step shaft 1 is provided with threads, and the nut 6 is matched with the threads.

In order to facilitate the stopping of the nut 6, the nut 6 is provided with at least four groove-shaped notches 61 at intervals along the circumferential surface.

In order to fix the position of the compression ring 5 conveniently, a stop washer 8 is arranged between the compression ring 5 and the nut 6, the base body of the stop washer 8 is circular and annular, and a stop lug 82 of the stop washer 8 is matched with the groove-shaped notch 61.

In order to further fix the position of the pressing ring 5, the inner circumference of the stop washer 8 is provided with rectangular teeth 81, and the step shaft 1 is provided with a key groove 11 matched with the rectangular teeth 81; the rectangular teeth 81 of the stop washer 8 are embedded into the key grooves 11 on the step shaft 1 to limit the stop washer 8, and then the stop lugs 82 on the stop washer 8 are matched with the groove-shaped notches 61 to limit the nut 6 so as to prevent the nut 6 from loosening.

In order to limit the position between the spinning wheel 4 and the gland 2, a distance tube 9 is sleeved on each bolt 7, two end faces of each distance tube 9 are respectively abutted against the gland 2 and the side face of the spinning wheel 4, and a 1mm gap is reserved between each distance tube 9 and a screw of each bolt 7.

The bearings 3 are a set of tapered roller bearings arranged opposite to each other in order to bear radial load when the rotary wheel 4 and the gland 3 rotate.

In order to clamp the step shaft 1, the right end of the step shaft 1 is a cylinder or a polygonal body.

In order to facilitate the mounting of the respective components, each edge of the step shaft 1, the gland 2, the spinning wheel 4, the pressing ring 5 and the nut 6 is chamfered.

Note: the nut 6 selects a standard component according to the GB/T812 national standard;

the stop washer 8 is selected according to the GB/T858 national standard;

the compression ring 5 and the gland 2 are made of common carbon structural steel;

the bearing 3 is selected according to the national standard GB/T307.3;

the spinning wheel 4 is made of high-hardness tool steel through quenching and tempering, and the inclined surface and the sharp-angled 43-arc surface of the spinning wheel are quenched, so that the hardness and the wear resistance are improved.

The bolt 7 selects standard parts according to GB/T70.1 national standard;

the step shaft 1 is made of high-quality carbon structural steel through special heat treatment;

the distance tube 9 is made of a cold-rolled seamless steel tube in structure.

The principle of the utility model is that: clamping the right end of the step shaft 1 on a similar lathe tool rest, fixing a model raw material needing spinning on rotary equipment such as lathe calipers and the like, starting the lathe, driving the model raw material to rotate by the calipers, driving a spinning device to move by the tool rest, and spinning the model raw material.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a draw running roller and revolve depressor, includes step axle (1) and spinning device, the spinning device cover is established on step axle (1), its characterized in that: the spinning device comprises a gland (2), a bearing (3), a spinning wheel (4), a compression ring (5) and a nut (6), which are sequentially sleeved on a step shaft from right to left, step holes are formed in the gland (2) and the spinning wheel (4), the bearing (3) abuts against one diameter hole of the step holes of the gland (2) and the spinning wheel (4), the other diameter hole of the gland (2) is matched with the surface of the step shaft (1), and the compression ring (5) is embedded into the other diameter hole of the spinning wheel (4); at least six threaded blind holes (41) are formed in one side face of the rotary wheel (4) along the circumference, counter bores (21) are formed in the positions, corresponding to the threaded blind holes (41), of the gland (2), and the counter bores (21) are matched with the threaded blind holes (41) through bolts (7); the left end of the step shaft (1) is provided with threads, and the nut (6) is matched with the threads.

2. A tension roller depressor as recited in claim 1, wherein: the nut (6) is provided with at least four groove-shaped notches (61) at intervals along the circumferential surface.

3. A tension roller depressor as recited in claim 2, wherein: a stop washer (8) is arranged between the pressing ring (5) and the nut (6), and a stop lug (82) of the stop washer (8) is matched with the groove-shaped notch (61).

4. A tension roller depressor as recited in claim 3, wherein: the inner circumference of the stop washer (8) is provided with rectangular teeth (81), and the step shaft (1) is provided with a key groove (11) matched with the rectangular teeth (81).

5. A tension roller depressor as recited in claim 4, wherein: each bolt (7) is sleeved with a distance tube (9), and two end faces of each distance tube (9) are respectively abutted against the side faces of the gland (2) and the rotary wheel (4).

6. A tension roller depressor as recited in claim 5, wherein: the bearing (3) is a group of tapered roller bearings which are oppositely arranged.

7. A tension roller depressor as recited in claim 6, wherein: the right end of the step shaft (1) is arranged to be a cylinder or a polygonal body.

8. A tension roller depressor as recited in claim 7, wherein: and chamfering each edge of the step shaft (1), the gland (2), the rotary wheel (4), the press ring (5) and the nut (6).