CN215763122U

CN215763122U - Wear-resistant trapezoidal screw rod

Info

Publication number: CN215763122U
Application number: CN202121315011.0U
Authority: CN
Inventors: 金立国
Original assignee: Dongguan Yiheda Automation Co Ltd
Current assignee: Dongguan Yiheda Automation Co Ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2022-02-08
Anticipated expiration: 2031-06-10

Abstract

The utility model discloses a wear-resistant trapezoidal lead screw which comprises a shaft lever and an oil injection port, wherein a sealing door plate is arranged above the middle part of the shaft lever, an oil storage cavity is formed in the middle section of the shaft lever, an oil absorption sponge is arranged on the inner side of the oil storage cavity, connecting holes are formed in the left end and the right end of the shaft lever, a trapezoidal lead screw body is arranged on the inner side of each connecting hole, a first oil guide hole is formed in the trapezoidal lead screw body, and a mounting groove is formed in one end, close to the shaft lever, of the trapezoidal lead screw body. This stand wear and tear trapezoidal lead screw, at axostylus axostyle pivoted in-process, under the effect of centrifugal force, can get rid of the lubricating oil in the oil absorption sponge to in the oil storage die cavity to through first oil guide hole, second oil guide hole and guide plate, enable lubricating oil and flow to trapezoidal lead screw body surface, lubricate between the part, and through the wearing layer of cast steel material, can strengthen the stand wear and tear effect of trapezoidal lead screw body.

Description

Wear-resistant trapezoidal screw rod

Technical Field

The utility model relates to the technical field of trapezoidal lead screws, in particular to a wear-resistant trapezoidal lead screw.

Background

The trapezoidal lead screw is a mechanical part, is widely used by people on milling machine, lathe and some mechanical devices, in order to satisfy the different processing user demand of people, consequently to the research dynamics of trapezoidal lead screw constantly increase, but the trapezoidal lead screw that stand wear and tear on the existing market still has following problem:

1. the existing wear-resistant trapezoidal screw rod can cause serious damage between parts and short service life after being used for a long time in the transmission process of the trapezoidal screw rod;

2. the conventional wear-resistant trapezoidal screw rod is integrally arranged, and related damaged parts cannot be detached, maintained or replaced.

Aiming at the problems, the novel design is carried out on the basis of the original wear-resistant trapezoidal screw rod.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a wear-resistant trapezoidal screw rod, which aims to solve the problems that in the transmission process of the existing wear-resistant trapezoidal screw rod in the prior art, parts are seriously damaged and have short service life due to long-term use, and the wear-resistant trapezoidal screw rod is integrally arranged and cannot be detached, maintained or replaced relative to the damaged parts.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a stand wear and tear trapezoidal lead screw, includes axostylus axostyle and oiling mouth, the middle part top of axostylus axostyle is provided with sealed door plant, and is provided with the oiling mouth above the middle part of sealed door plant, the oil storage die cavity has been seted up to the middle section inside of axostylus axostyle, the inboard of oil storage die cavity is provided with the oil absorption sponge, the connecting hole has all been seted up at both ends about the axostylus axostyle, and the inboard of connecting hole is provided with trapezoidal lead screw body, the first oilhole that leads has been seted up to the inside of trapezoidal lead screw body, and the first inside of leading the oilhole is the setting of lining up each other with the inside of second leading the oilhole, the one end inside that trapezoidal lead screw body is close to the axostylus axostyle has seted up the mounting groove, and the inboard of mounting groove is fixed with reset spring.

Preferably, the left end and the right end of the oil storage cavity are communicated with the second oil guide hole, the first oil guide holes are arranged at equal intervals outside the second oil guide holes, and an inclined surface is arranged on the inner wall of the first oil guide hole.

Preferably, trapezoidal lead screw body is provided with 2 about the axis bilateral symmetry of axostylus axostyle, and the latch segment is close to the inside extending structure that constitutes of one end of axostylus axostyle at trapezoidal lead screw body to the longitudinal section of latch segment is right trapezoid structure.

Preferably, the locking block is connected with the shaft rod in a clamping manner through a limiting groove, the trapezoidal screw rod body forms a dismounting structure with the shaft rod through the locking block, and the trapezoidal screw rod body is fixedly connected with the guide plate to form an integrated structure.

Preferably, the trapezoidal screw rod body comprises an anti-wear layer, a heat insulation layer, an anti-rust layer and a fine steel column, and the heat insulation layer, the anti-rust layer and the fine steel column are sequentially arranged inside the anti-wear layer.

Preferably, the heat insulation layer is made of heat-resistant ceramic, the heat insulation layer is connected with the wear-resistant layer and the anti-rust layer in an embedded mode, and the wear-resistant layer is made of cast steel.

Compared with the prior art, the utility model has the beneficial effects that: the wear-resistant trapezoidal screw rod is provided with a plurality of wear-resistant trapezoidal screw rods,

1. by arranging the oil storage cavity, the oil absorption sponge, the first oil guide hole and the second oil guide hole, lubricating oil in the oil absorption sponge can be thrown into the oil storage cavity under the action of centrifugal force in the rotating process of the shaft rod, the lubricating oil can flow to the outer surface of the trapezoidal screw rod body through the first oil guide hole, the second oil guide hole and the guide plate, parts are lubricated, and the wear-resistant effect of the trapezoidal screw rod body can be enhanced through the wear-resistant layer made of cast steel;

2. through setting up mounting groove, reset spring, latch segment and spacing groove, through manual extrusion latch segment, make its shrink to the mounting groove in and break away from with the spacing groove to carry out convenient dismantlement between trapezoidal lead screw body and the axostylus axostyle of being convenient for, the maintenance or change are dismantled to relevant impaired part to the convenience.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic front sectional view of the present invention;

FIG. 3 is a schematic view of the overall structure of the trapezoidal screw body according to the present invention;

FIG. 4 is a schematic view of the entire connecting structure of the abrasion resistant layer according to the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 6 is a schematic top view of the present invention

In the figure: 1. a shaft lever; 2. an oil filling port; 3. an oil storage cavity; 4. an oil absorbing sponge; 5. connecting holes; 6. a trapezoidal lead screw body; 601. a wear-resistant layer; 602. a thermal insulation layer; 603. a rust-proof layer; 604. a fine steel column; 7. a first oil guide hole; 8. a second oil guide hole; 9. mounting grooves; 10. a return spring; 11. a locking block; 12. a limiting groove; 13. a baffle; 14. and sealing the door panel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, fig. 2 and fig. 5, the present invention provides a technical solution: a wear-resistant trapezoidal screw comprises a shaft lever 1 and an oil injection port 2, in order to conveniently lubricate parts, a sealing door plate 14 is arranged above the middle part of the shaft lever 1, the oil injection port 2 is arranged above the middle part of the sealing door plate 14, an oil storage cavity 3 is arranged in the middle section of the shaft lever 1, an oil absorption sponge 4 is placed inside the oil storage cavity 3, connecting holes 5 are arranged at the left end and the right end of the shaft lever 1, a trapezoidal screw body 6 is connected to the inner side of the connecting holes 5, a first oil guide hole 7 is arranged inside the trapezoidal screw body 6, a second oil guide hole 8 is arranged at the tail end of the first oil guide hole 7, a guide plate 13 is arranged outside the first oil guide hole 7, the left end and the right end of the oil storage cavity 3 are communicated with the second oil guide hole 8, the first oil guide hole 7 is arranged at equal intervals outside the second oil guide hole 8, and an inclined plane is arranged on the inner wall of the first oil guide hole 7, in the rotation process of the shaft lever 1, under the action of centrifugal force, lubricating oil in the oil absorption sponge 4 is thrown to the oil storage cavity 3, and the lubricating oil can flow to the outer surface of the trapezoidal lead screw body 6 through the first oil guide hole 7, the second oil guide hole 8 and the guide plate 13 to lubricate parts.

Referring to fig. 4, in order to enhance the wear-resistant strength of the trapezoidal screw, the trapezoidal screw body 6 includes an anti-wear layer 601, a heat insulation layer 602, an anti-rust layer 603, and a fine steel column 604 inside, the heat insulation layer 602, the anti-rust layer 603, and the fine steel column 604 are sequentially disposed inside the anti-wear layer 601, the heat insulation layer 602 is made of heat-resistant ceramics, the heat insulation layer 602 is connected with the anti-wear layer 601 and the anti-rust layer 603 in an embedded manner, and the wear-resistant effect of the trapezoidal screw body 6 can be effectively enhanced by the anti-wear layer 601 made of cast steel.

Please refer to fig. 1, fig. 3 and fig. 5, in order to facilitate the disassembly, maintenance or replacement of the trapezoidal screw rod body 6, an installation groove 9 may be formed inside one end of the trapezoidal screw rod body 6 close to the shaft rod 1, a return spring 10 is fixed inside the installation groove 9, a locking block 11 is arranged at the end of the return spring 10, a limiting groove 12 is formed outside the locking block 11, the locking block 11 is manually squeezed to be contracted into the installation groove 9 and separated from the limiting groove 12, so that the trapezoidal screw rod body 6 and the shaft rod 1 can be conveniently disassembled, and the relevant damaged parts can be conveniently disassembled, maintained or replaced.

The working principle is as follows: when the wear-resistant trapezoidal lead screw is used, firstly, oil absorption sponge 4 is placed into an oil storage cavity 3, a sealing door plate 14 is connected to the outer portion of a shaft lever 1 through bolts, the oil storage cavity 3 is sealed, lubricating oil is injected into the oil storage cavity 3 through an oil injection port 2 in the figure 2 and is absorbed by the oil absorption sponge 4, then a trapezoidal lead screw body 6 in the figure 5 is inserted into connecting holes 5 formed in the left end and the right end of the shaft lever 1, in the insertion process of the trapezoidal lead screw body 6, a locking block 11 with a right-angled trapezoidal structure in longitudinal section is compressed and contracted into an installation groove 9, and when the trapezoidal lead screw body 6 is inserted to the bottom of the connecting hole 5, the locking block 11 in the figure 3 is popped out again under the action of a reset spring 10 and is connected with a limiting groove 12 in a clamping manner, so that the installation or the disassembly and maintenance of the trapezoidal lead screw body 6 are facilitated;

in the process that the shaft lever 1 drives the trapezoidal screw rod body 6 to rotate in the figure 2, the lubricating oil absorbed and stored in the oil absorption sponge 4 can be thrown into the oil storage cavity 3 under the action of centrifugal force, flows out through the first oil guide hole 7 and the second oil guide hole 8 in the figure 5, and under the guide effect of the guide plate 13, the lubricating oil is conveniently guided to the outer surface of the trapezoidal screw rod body 6, so that the lubrication between the components can be realized, moreover, the trapezoidal screw rod body 6 in fig. 4 is composed of a wear-resistant layer 601 made of cast steel, a heat-insulating layer 602 made of heat-resistant ceramic, an anti-rust layer 603 and a refined steel column 604, so that the wear-resistant effect of the trapezoidal screw rod body 6 can be effectively enhanced, the service life is long, the popularization is convenient, the above is the operation of the whole device, and the details which are not described in detail in this specification are well known to those skilled in the art.

The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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

1. The utility model provides a trapezoidal lead screw that stands wear and tear, includes axostylus axostyle (1) and oiling mouth (2), its characterized in that: the improved oil storage type hydraulic oil cylinder is characterized in that a sealing door plate (14) is arranged above the middle of the shaft lever (1), an oil filling opening (2) is formed in the middle of the sealing door plate (14), an oil storage cavity (3) is formed in the middle of the shaft lever (1), oil absorption sponge (4) is arranged on the inner side of the oil storage cavity (3), connecting holes (5) are formed in the left end and the right end of the shaft lever (1), a trapezoidal screw rod body (6) is arranged on the inner side of the connecting holes (5), a first oil guide hole (7) is formed in the trapezoidal screw rod body (6), the first oil guide hole (7) and the second oil guide hole (8) are communicated with each other, a mounting groove (9) is formed in one end, close to the shaft lever (1), of the trapezoidal screw rod body (6), and a reset spring (10) is fixed on the inner side of the mounting groove (9).

2. A wear resistant acme screw as set forth in claim 1, wherein: the left end and the right end of the oil storage cavity (3) are communicated with the second oil guide hole (8), the first oil guide hole (7) is arranged on the outer side of the second oil guide hole (8) at equal intervals, and an inclined surface is arranged on the inner wall of the first oil guide hole (7).

3. A wear resistant acme screw as set forth in claim 1, wherein: trapezoidal lead screw body (6) are provided with 2 about the axis bilateral symmetry of axostylus axostyle (1), and latch segment (11) are close to the inside extending structure that constitutes of one end of axostylus axostyle (1) at trapezoidal lead screw body (6) to the longitudinal section of latch segment (11) is right trapezoid structure.

4. A wear resistant acme screw as set forth in claim 3, wherein: the locking block (11) is connected with the shaft rod (1) in a clamping mode through the limiting groove (12), the trapezoidal screw rod body (6) and the shaft rod (1) form a dismounting structure through the locking block (11), and the trapezoidal screw rod body (6) is fixedly connected with the guide plate (13) to form an integrated structure.

5. A wear resistant acme screw as set forth in claim 1, wherein: the inner part of the trapezoidal screw rod body (6) comprises an anti-wear layer (601), a heat insulation layer (602), an anti-rust layer (603) and a fine steel column (604), and the heat insulation layer (602), the anti-rust layer (603) and the fine steel column (604) are sequentially arranged in the anti-wear layer (601).

6. A wear resistant acme screw as set forth in claim 5, wherein: the heat insulation layer (602) is made of heat-resistant ceramic materials, the heat insulation layer (602) is connected with the anti-wear layer (601) and the anti-rust layer (603) in an embedded mode, and the anti-wear layer (601) is made of cast steel.