CN216369852U

CN216369852U - Internal circulation structure of crankshaft bush seat for punch press

Info

Publication number: CN216369852U
Application number: CN202122684435.0U
Authority: CN
Inventors: 王大元; 王加明; 武广超
Original assignee: Ningbo Goanwin Machinery Technology Co ltd
Current assignee: Ningbo Goanwin Machinery Technology Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-04-26
Anticipated expiration: 2031-11-04

Abstract

The utility model discloses an internal circulation structure of a crankshaft bush seat for a punch press, which comprises a crankshaft, a bush seat and a copper sleeve, wherein the crankshaft bush seat is provided with a bearing bush seat; the bearing bush seat is provided with a mounting hole, the copper sleeve is embedded in the mounting hole, and the end part of the crankshaft is rotatably connected in the copper sleeve; one end of the tile seat is provided with an end cover which seals one end of the mounting hole, the other end of the tile seat is provided with copper, the copper is sleeved outside the crankshaft, and the copper seals the other end of the mounting hole; the side wall of the tile seat is provided with an oil inlet and an oil outlet; a gap is reserved between the copper alloy and the end face of the copper sleeve, and the gap is an oil storage groove; the oil inlet hole and the oil outlet hole are communicated with the oil storage groove. The internal circulation flow of the thin oil can be realized through the structure, and the quality and the service life of the lubricating oil are prolonged to a greater extent.

Description

Internal circulation structure of crankshaft bush seat for punch press

Technical Field

The utility model relates to the technical field of punch lubrication, in particular to a crankshaft bush seat internal circulation structure for a punch.

Background

The crankshaft is the main rotating mechanism of the punch press, and after the connecting rod is installed, the crankshaft can bear the up-and-down (reciprocating) motion of the connecting rod to be changed into a circulating (rotating) motion. At present, in order to realize thin oil lubrication circulation in a punch crankshaft shoe seat, an oil receiving disc is arranged at a lubrication position. The structure leads the body of the punch press to be too bloated, the oil leakage phenomenon is easy to occur at the oil receiving position, and the oil marks are easy to occur on the body of the punch press.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a crankshaft bush seat internal circulation structure for a punch press, which can realize internal circulation flow of thin oil and prolong the quality and service life of lubricating oil to a greater extent.

The technical scheme of the utility model is that the utility model provides a crankshaft shoe seat internal circulation structure for a punch press, which comprises a crankshaft, a shoe seat and a copper sleeve; the bearing bush seat is provided with a mounting hole, the copper sleeve is embedded in the mounting hole, and the end part of the crankshaft is rotatably connected in the copper sleeve; one end of the tile seat is provided with an end cover which seals one end of the mounting hole, the other end of the tile seat is provided with copper, the copper is sleeved outside the crankshaft, and the copper seals the other end of the mounting hole; the side wall of the tile seat is provided with an oil inlet and an oil outlet; a gap is reserved between the copper alloy and the end face of the copper sleeve, and the gap is an oil storage groove; the oil inlet hole and the oil outlet hole are communicated with the oil storage groove.

After adopting the structure, compared with the prior art, the internal circulation structure of the crankshaft shoe seat for the punch press has the following advantages:

the other end of the bush seat of the internal circulation structure of the crankshaft bush seat for the punch press is provided with the copper alloy, and the side wall of the bush seat is provided with the oil inlet hole and the oil outlet hole; a gap is reserved between the copper alloy and the end face of the copper sleeve, and the gap is an oil storage groove; the oil inlet hole and the oil outlet hole are communicated with the oil storage groove; when the punch works, thin oil is added from an oil filling port at the position of a locomotive, enters an oil inlet hole and flows into an oil storage groove, and then flows into a gap between the copper alloy and the crankshaft to play a lubricating role, and heat generated by friction between the copper sleeve and the crankshaft can be taken away. Redundant thin oil in the oil storage groove flows back into the machine body from the oil outlet hole to form a circulation, so that the structure of the machine body of the punch press is simplified, the volume of the machine body is greatly reduced, the oil leakage phenomenon is avoided, and the quality and the service life of lubricating oil are prolonged to a greater extent.

As an improvement, a step is arranged at the other end of the tile seat, the copper alloy is arranged in the step, the inner side of the side wall of the copper alloy close to the step surface is abutted against the end surface of the copper sleeve, and the gap is reserved between the outer side of the side wall of the copper alloy close to the step surface and the step surface of the step.

After adopting this kind of structure, close copper mounting structure simple, through closing the oil storage of flowing out clearance between the step face of copper and step, simple structure, processing and equipment are all more convenient.

As an improvement, a first annular groove is arranged on the side wall of the tile seat, which is intersected with the step surface, at the step position, the first annular groove is communicated with the gap, and the oil outlet hole is communicated with the first annular groove.

After adopting this kind of structure, first ring channel is the oil extraction groove for connect unnecessary thin oil, discharges through the oil outlet, simple structure, processing and equipment are all more convenient.

As an improvement, an oil breaking groove is arranged on the side wall of the copper alloy close to the first annular groove and communicated with the first annular groove. After adopting this kind of structure, can conveniently throw into or drip into first ring channel with the thin oil on oil storage ditch and the copper through disconnected oil groove, can collect remaining thin oil fully.

As an improvement, the oil-break groove comprises an inclined surface and a plane surface, the inclined surface is connected with the plane surface, and the inclined surface is closer to the gap; the plane is parallel to the end surface of the tile seat. After adopting this kind of structure, the oil drain oil-break effect is better.

As an improvement, the oil outlet hole and the oil-break groove are oppositely arranged. After the structure is adopted, thin oil thrown down or dropped down by the oil-break groove can directly enter the oil outlet hole, and the oil discharging effect is good.

As an improvement, the inner wall of the tile seat is provided with a radial convex ring, the outer wall of the copper sleeve is provided with a radial groove, and the radial convex ring is embedded in the radial groove. After adopting this kind of structure, connection structure is more reliable between tile seat and the copper sheathing, also can avoid appearing the phenomenon of oil leak.

As an improvement, the side wall of the copper sleeve is provided with a plurality of oil passing holes, and the oil inlet hole can be communicated with the oil passing holes through a gap between the tile seat and the copper sleeve. After the structure is adopted, thin oil enters from the oil inlet hole, then flows into each oil passing hole through the gap between the bush seat and the copper sleeve, and then enters the gap between the copper sleeve and the crankshaft for lubrication, so that the lubrication is uniform.

As an improvement, a second annular groove is arranged in a port, close to the end cover, of the tile seat, an oil drain hole is arranged in the tile seat, the oil drain hole is connected between the first annular groove and the second annular groove, and the oil drain hole is communicated with the first annular groove and the second annular groove. After adopting this kind of structure, the second ring channel also is the oil extraction groove for collect the unnecessary thin oil that is close to the end cover end, flows into first ring channel through the oil drain hole in, can discharge oil very fully, and the oil extraction effect is better.

As an improvement, the copper alloy is fixedly connected to the crankshaft. After adopting this kind of structure, structural design is more reasonable.

Drawings

Fig. 1 is a schematic structural diagram a of an internal circulation structure of a crankshaft shoe for a punch press according to the present invention.

Fig. 2 is a schematic sectional structure view of a-a in fig. 1.

Fig. 3 is an enlarged schematic structural view of a portion B in fig. 2.

Fig. 4 is an enlarged schematic structural view of a portion C in fig. 2.

Shown in the figure: 1. the oil-gas separating device comprises a crankshaft, 2, a shoe seat, 201, a mounting hole, 202, a radial convex ring, 203, an oil inlet hole, 204, a step, 205, a first annular groove, 206, an oil outlet hole, 207, a second annular groove, 208, an oil outlet hole, 3, a copper sleeve, 301, a radial groove, 302, an oil passing hole, 4, an end cover, 5, a limiting plate, 6, copper combining, 601, an oil breaking groove, 7 and an oil storage groove.

Detailed Description

For a better understanding of the present application, various aspects of the present application will be described in more detail with reference to the accompanying drawings. It should be understood that the detailed description is merely illustrative of exemplary embodiments of the present application and does not limit the scope of the present application in any way. Like reference numerals refer to like elements throughout the specification.

In the drawings, the thickness, size, and shape of an object have been slightly exaggerated for convenience of explanation. The figures are purely diagrammatic and not drawn to scale.

It will be further understood that the terms "comprises," "comprising," "includes," "including," "has," "having," "contains," and/or "containing," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

As shown in fig. 1 to 4, the utility model discloses a crankshaft shoe internal circulation structure for a punch press, which comprises a crankshaft 1, a shoe 2 and a copper bush 3.

The tile seat 2 is provided with a mounting hole 201, and the copper bush 3 is embedded in the mounting hole 201. The inner wall of the shoe seat 2 is provided with a radial convex ring 202, the outer wall of the copper sleeve 3 is provided with a radial groove 301, and the radial convex ring 202 is embedded in the radial groove 301. The oil inlet hole 203 is formed in the shoe seat 2, the side wall of the copper sleeve 3 is provided with a plurality of oil passing holes 302, and the oil inlet hole 203 can be communicated with the oil passing holes 302 through a gap between the shoe seat 2 and the copper sleeve 3.

The end part of the crankshaft 1 is rotatably connected in the copper sleeve 3. An end cover 4 is arranged at one end of the tile seat 2, the end cover 4 seals one end of the mounting hole 201, and the end cover 4 is fixedly connected to the end face of one end of the tile seat 2. The end, close to the end cover 4, of the crankshaft 1 is fixedly connected with a limiting plate 5, the limiting plate 5 is installed between the end face of the copper bush 3 and the end cover 4, the limiting plate 5 can be driven by the crankshaft 1 to rotate, and the crankshaft 1 can be prevented from being separated from the copper bush 3 under the action of a limiting plate 5. The other end of the shoe holder 2 is provided with a copper alloy 6, the copper alloy 6 is sleeved outside the crankshaft 1, and the copper alloy 6 seals the other end of the mounting hole 201. The other end of the tile seat 2 is provided with a step 204, the copper alloy 6 is arranged in the step 204, the inner side of the side wall of the copper alloy 6 close to the surface of the step 204 is abutted against the end surface of the copper sleeve 3, the gap is reserved between the outer side of the side wall of the copper alloy 6 close to the surface of the step 204 and the surface of the step 204, and the gap is an oil storage groove 7. The oil storage groove 7 is communicated with a gap between the copper bush 3 and the shoe seat 2, and further communicated with the oil passing hole 302 and the oil inlet hole 203. The copper alloy 6 is fixedly connected to the crankshaft 1.

A first annular groove 205 is arranged on the side wall of the step 204 of the shoe seat 2, which is intersected with the surface of the step 204, and the first annular groove 205 is communicated with the gap. The side wall of the copper alloy 6 close to the first annular groove 205 is provided with an oil break groove 601, and the oil break groove 601 is communicated with the first annular groove 205. The oil break groove 601 comprises an inclined surface and a plane, the inclined surface is connected with the plane, and the inclined surface is closer to the gap; the plane is parallel to the end face of the tile seat 2. The oil outlet hole 206 is arranged at the bottom of the first annular groove 205, and the oil outlet hole 206 is opposite to the oil-break groove 601. A second annular groove 207 is arranged in a port of the shoe 2 close to the end cover 4, an oil drain hole 208 is arranged in the shoe 2, the oil drain hole 208 is connected between the first annular groove 205 and the second annular groove 207, and the oil drain hole 208 is communicated with the first annular groove 205 and the second annular groove 207.

When the punching machine works, thin oil is injected into the oil inlet 203 on the bush seat 2 through an oil injection port of the machine body, the thin oil enters each oil passing hole 302 of the copper bush 3 through the gap between the copper bush 3 and the inner wall of the bush seat 2, and then enters the gap between the copper bush 3 and the crankshaft 1 to play a role in lubrication, so that the crankshaft 1 rotates more smoothly. The excessive thin oil flows into the gap (i.e. the oil storage groove 7) and the second annular groove 207, the excessive lubricating oil in the oil storage groove 7 flows into the first annular groove 205, the thin oil in the second annular groove 207 also flows into the first annular groove 205 through the oil discharge hole 208, and finally returns to the fuselage through the oil discharge hole 206, so that circulation is formed.

Claims

1. A crankshaft bush seat internal circulation structure for a punch comprises a crankshaft, a bush seat and a copper sleeve; the bearing bush seat is provided with a mounting hole, the copper sleeve is embedded in the mounting hole, and the end part of the crankshaft is rotatably connected in the copper sleeve; one end of tile seat be equipped with the end cover and this end cover seals the one end of mounting hole, its characterized in that: the other end of the tile seat is provided with copper, the copper is sleeved outside the crankshaft, and the copper seals the other end of the mounting hole; the side wall of the tile seat is provided with an oil inlet and an oil outlet; a gap is reserved between the copper alloy and the end face of the copper sleeve, and the gap is an oil storage groove; the oil inlet hole and the oil outlet hole are communicated with the oil storage groove.

2. The internal circulation structure of the crankshaft shoe for the punch press according to claim 1, wherein: the other end of the tile seat is provided with a step, the combined copper is arranged in the step, the inner side of the side wall of the combined copper close to the step surface is abutted against the end surface of the copper sleeve, and the gap is reserved between the outer side of the side wall of the combined copper close to the step surface and the step surface of the step.

3. The internal circulation structure of the crankshaft shoe for the punch press according to claim 2, wherein: the step of the tile seat and the side wall of the step surface which is intersected with the step surface are provided with first annular grooves, the first annular grooves are communicated with the gap, and the oil outlet is communicated with the first annular grooves.

4. The internal circulation structure of the crankshaft shoe for the punch press according to claim 3, wherein: and an oil breaking groove is arranged on the side wall of the copper alloy close to the first annular groove and communicated with the first annular groove.

5. The internal circulation structure of the crankshaft shoe for the punch press according to claim 4, wherein: the oil-break groove comprises an inclined surface and a plane, the inclined surface is connected with the plane, and the inclined surface is closer to the gap; the plane is parallel to the end surface of the tile seat.

6. The internal circulation structure of the crankshaft shoe for the punch press according to claim 5, wherein: the oil outlet hole and the oil-break groove are oppositely arranged.

7. The internal circulation structure of the crankshaft shoe for the punch press according to claim 1, wherein: the inner wall of the tile seat is provided with a radial convex ring, the outer wall of the copper sleeve is provided with a radial groove, and the radial convex ring is embedded into the radial groove.

8. The internal circulation structure of the crankshaft shoe for the punch press according to claim 7, wherein: the side wall of the copper bush is provided with a plurality of oil passing holes, and the oil inlet hole can be communicated with the oil passing holes through the gap between the bush seat and the copper bush.

9. The internal circulation structure of the crankshaft shoe for the punch press according to claim 3, wherein: the oil drain hole is connected between the first annular groove and the second annular groove, and the oil drain hole is communicated with the first annular groove and the second annular groove.

10. The internal circulation structure of the crankshaft shoe for the punch press according to claim 1, wherein: the copper alloy is fixedly connected to the crankshaft.