CN214888678U

CN214888678U - High-precision mechanical transmission screw rod

Info

Publication number: CN214888678U
Application number: CN202121218270.1U
Authority: CN
Inventors: 李培林; 钟贵龙
Original assignee: Shenzhen Liansen Intelligent Technology Co ltd
Current assignee: Shenzhen Liansen Intelligent Technology Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-11-26
Anticipated expiration: 2031-06-02

Abstract

The utility model discloses a high-precision mechanical transmission lead screw, which relates to the technical field of mechanical transmission, and comprises a lead screw body, a heat dissipation rod is placed in an inner cavity of the lead screw body, a plurality of thread assemblies are arranged on the outer side of the lead screw body, an oil outlet groove is arranged on the outer side of the lead screw body and on one side of the thread assemblies, the high-precision mechanical transmission lead screw inputs lubricating oil into the heat dissipation rod through a fixed pipe and a rotary joint by arranging the heat dissipation rod, the oil outlet groove and an oil spraying groove, when the lead screw body rotates, the lead screw body drives the heat dissipation rod to rotate, so that the lubricating oil in the heat dissipation rod enters the oil outlet groove through the oil spraying groove and is sprayed out from the oil outlet groove to lubricate the outer side of the lead screw body, and meanwhile, the lubricating oil flows from the inner cavity of the heat dissipation rod and takes away the heat generated during the work in the lead screw body, thereby reducing the abrasion and improving the heat dissipation performance of the lead screw, thereby originally, the practicality of this lead screw has been improved to the life of this lead screw has been improved.

Description

High-precision mechanical transmission screw rod

Technical Field

The utility model relates to a mechanical transmission technical field specifically is high accuracy mechanical transmission lead screw.

Background

Mechanical transmission is widely used in mechanical engineering, and mainly refers to transmission for transmitting power and motion in a mechanical mode. The method is divided into two categories: the friction transmission of power is transmitted by the friction force between the machine parts, and the meshing transmission of power or motion is transmitted by the meshing of the driving part and the driven part or the meshing of the intermediate part. The lead screw carries out mutual screw propulsion and rotates the activity when using with copper sheathing or nut generally, and when the lead screw used, generally paint lubricating oil on the threaded rod, lubricate, and lubricated effect is not good, can not last lubrication, and the radiating effect is not good simultaneously, leads to mechanical transmission lead screw life to reduce.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a high accuracy mechanical transmission lead screw has solved the problem of proposition in the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: high accuracy mechanical transmission lead screw, including the lead screw body, the heat dissipation pole has been placed to lead screw body inner chamber, the outside of lead screw body is provided with a plurality of screw assembly, the oil groove has all been seted up to the outside of lead screw body and the one side that is located screw assembly, the oil spout groove has all been seted up to the heat dissipation pole outside and the one side that is located the oil groove, the position of oil spout groove and oil groove is corresponding, the one end of heat dissipation pole and the outside that is located the lead screw body are provided with the fixed disk, one side of fixed disk is provided with rotary joint, rotary joint's one end is provided with the solid fixed tube, two second thread grooves have been seted up to the one end of fixed disk and the outside that is located rotary joint, first thread groove has all been seted up to one side that lead screw body one end just is located the second thread groove, the inside fixing screw that all has through threaded connection, fixing screw's one end all extends to first thread groove inside and with first thread groove inner chamber threaded connection .

Preferably, a diameter of one end of the set screw is smaller than an inner diameter of the first thread groove.

Preferably, the heat dissipation rod is located the one end of lead screw body inner chamber and has seted up the spacing groove, the stopper has been placed to the spacing inslot portion, the one end of stopper all with one side fixed connection of lead screw body inner chamber.

Preferably, the oil spraying grooves are internally provided with filter plates.

Preferably, the inner cavity of the heat dissipation rod is communicated with the inside of the oil spraying groove, and the oil spraying groove is communicated with the inside of the oil outlet groove.

Preferably, the fixing tube is internally hollow, and the inner cavity of the heat dissipation rod is communicated with the inside of the fixing tube through a rotary joint.

Preferably, one end of the screw rod body, which is far away from the fixed disc, is provided with a connecting end.

The utility model provides a high accuracy mechanical transmission lead screw possesses following beneficial effect:

1. this high accuracy mechanical transmission lead screw, through being provided with the heat dissipation pole, go out oil groove and oil spout groove, through fixed pipe and rotary joint to the inside input lubricating oil of heat dissipation pole, when the lead screw body rotates, the lead screw body drives the heat dissipation pole and rotates, thereby make the inside lubricating oil of heat dissipation pole pass through the oil spout and get into out the oil groove, then spout from the oil spout, lubricate the lead screw body outside, when lubricated liquid flows from the heat dissipation pole inner chamber simultaneously, take away the heat that the inside during operation of lead screw body produced, both reduced wearing and tearing, the heat dispersion of lead screw has been improved again, thereby originally, the practicality of this lead screw has been improved, thereby the life of this lead screw has been improved.

2. This high accuracy mechanical transmission lead screw through being provided with heat dissipation rod, fixed disk and set screw, when lead screw body outside screw thread assembly's wearing and tearing were comparatively serious, can take the heat dissipation rod out from lead screw body is inside, then install the heat dissipation rod inside new lead screw body to make this transmission lead screw's use cost lower, improved the practicality of this mechanical transmission lead screw simultaneously.

Drawings

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

FIG. 2 is an enlarged view of the point A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the point B of FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of the present invention at C of FIG. 1;

fig. 5 is an installation schematic diagram of the present invention.

In the figure: 1. a screw rod body; 2. a heat dissipation rod; 3. an oil outlet groove; 4. an oil spraying groove; 5. filtering the plate; 6. fixing the disc; 7. a rotary joint; 8. a fixed tube; 9. a connecting end; 10. a limiting groove; 11. a limiting block; 12. a first thread groove; 13. a second thread groove; 14. a set screw; 15. a threaded assembly.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 5, the present invention provides a technical solution: a high-precision mechanical transmission lead screw comprises a lead screw body 1, a heat dissipation rod 2 is placed in an inner cavity of the lead screw body 1, a plurality of threaded assemblies 15 are arranged on the outer side of the lead screw body 1, oil outlet grooves 3 are formed in one side, located on the threaded assemblies 15, of the outer side of the lead screw body 1, oil spraying grooves 4 are formed in one side, located on the oil outlet grooves 3, of the outer side of the heat dissipation rod 2, the oil spraying grooves 4 correspond to the oil outlet grooves 3 in position, a fixed disc 6 is arranged at one end of the heat dissipation rod 2 and located on the outer side of the lead screw body 1, a rotary joint 7 is arranged at one side of the fixed disc 6, a fixed tube 8 is arranged at one end of the rotary joint 7, two second threaded grooves 13 are formed in one end of the fixed disc 6 and located on the outer side of the rotary joint 7, first threaded grooves 12 are formed in one end of the lead screw body 1 and located on one side of the second threaded grooves 13, and fixing screws 14 are connected to the inner portions of the second threaded grooves 13 through threads, one end of the fixing screw 14 extends into the first thread groove 12 and is in threaded connection with the inner cavity of the first thread groove 12.

The diameter of one end of the fixing screw 14 is smaller than the inner diameter of the first thread groove 12, so that one end of the fixing screw 14 can be screwed into the first thread groove 12, the end of the heat dissipation rod 2, which is positioned in the inner cavity of the lead screw body 1, is provided with a limiting groove 10, a limiting block 11 is placed in the limiting groove 10, one end of the limiting block 11 is fixedly connected with one side of the inner cavity of the lead screw body 1, so that the position of the heat dissipation rod 2 is limited conveniently, a filter plate 5 is arranged in each oil injection groove 4, so that external impurities are prevented from falling into the heat dissipation rod 2, the inner cavity of the heat dissipation rod 2 is prevented from being blocked, the inner cavity of the heat dissipation rod 2 is communicated with the inner part of the oil injection groove 4, the oil injection groove 4 is communicated with the inner part of the oil outlet groove 3, so that lubricating oil can enter the oil injection groove 4 through the heat dissipation rod 2 and then be sprayed out through the oil outlet groove 3, the inner part of the fixing pipe 8 is of a hollow structure, the inner cavity of the heat dissipation rod 2 is communicated with the inner part of the fixing pipe 8 through the rotary joint 7, lubricating liquid is conveniently input into the heat dissipation rod 2, and the end, away from the fixed disk 6, of the lead screw body 1 is provided with a connecting end 9, and is conveniently connected with an output shaft of the driving mechanism through the connecting end 9.

In conclusion, when the high-precision mechanical transmission screw rod is used, one end of the connecting end 9 is connected with an output shaft of the driving mechanism, the fixed pipe 8 is installed on the bracket, one end of the fixed pipe 8 is connected with an oil pipe of the oil storage device, then lubricating oil is input into the heat dissipation rod 2 through the fixed pipe 8 and the rotary joint 7, the screw rod body 1 rotates to enable the heat dissipation rod 2 to rotate, so that the lubricating oil in the heat dissipation rod 2 enters the oil outlet groove 3 through the oil spraying groove 4 and then is sprayed out of the oil outlet groove 3 to lubricate the outer side of the screw rod body 1, meanwhile, the lubricating oil flows from the inner cavity of the heat dissipation rod 2 and takes away heat generated during the internal work of the screw rod body 1, when the threaded component 15 on the outer side of the screw rod body 1 is seriously worn, the mechanical transmission screw rod is disassembled, then the fixing screw 14 is screwed, so that one end of the fixing screw 14 is screwed out of the first threaded groove 12, then the fixed disk 6 is pulled out, so that the fixed disk 6 drives the heat dissipation rod 2 to be pulled out from the inside of the screw rod body 1, then the heat dissipation rod 2 is aligned to the inside of a new screw rod body 1, the heat dissipation rod 2 is moved to the inner cavity of the screw rod body 1, the limiting block 11 is located inside the limiting groove 10, then the fixing screw 14 is screwed, one end of the fixing screw 14 is screwed into the first threaded groove 12, and the heat dissipation rod 2 is fixed inside the screw rod body 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. High accuracy mechanical transmission lead screw, including lead screw body (1), its characterized in that: heat dissipation rod (2) have been placed to lead screw body (1) inner chamber, the outside of lead screw body (1) is provided with a plurality of screw assembly (15), oil groove (3) have all been seted up to the outside of lead screw body (1) and the one side that is located screw assembly (15), oil spout groove (4) have all been seted up to the one side that heat dissipation rod (2) outside just is located oil groove (3), oil spout groove (4) are corresponding with the position that goes out oil groove (3), the one end of heat dissipation rod (2) and the outside that is located lead screw body (1) are provided with fixed disk (6), one side of fixed disk (6) is provided with rotary joint (7), the one end of rotary joint (7) is provided with fixed tube (8), two second thread grooves (13) have been seted up in the one side that lead screw body (1) one end just is located second thread groove (13), first thread groove(s) (13) have all been seted up to one side that lead screw body (1) one end just is located second thread groove (13) 12) And the inner part of the second thread groove (13) is connected with a fixing screw (14) through threads, and one end of the fixing screw (14) extends into the first thread groove (12) and is in threaded connection with the inner cavity of the first thread groove (12).

2. The high precision mechanically driven screw of claim 1, wherein: one end of the fixing screw (14) has a diameter smaller than the inner diameter of the first thread groove (12).

3. The high precision mechanically driven screw of claim 1, wherein: limiting groove (10) have been seted up to the one end that heat dissipation rod (2) are located lead screw body (1) inner chamber, stopper (11) have been placed to limiting groove (10) inside, the one end of stopper (11) all with one side fixed connection of lead screw body (1) inner chamber.

4. The high precision mechanically driven screw of claim 1, wherein: and filter plates (5) are arranged in the oil spraying grooves (4).

5. The high precision mechanically driven screw of claim 1, wherein: the inner cavity of the heat dissipation rod (2) is communicated with the inside of the oil spraying groove (4), and the oil spraying groove (4) is communicated with the inside of the oil outlet groove (3).

6. The high precision mechanically driven screw of claim 1, wherein: the fixed pipe (8) is internally hollow, and the inner cavity of the heat dissipation rod (2) is communicated with the inside of the fixed pipe (8) through a rotary joint (7).

7. The high precision mechanically driven screw of claim 1, wherein: one end of the screw rod body (1) far away from the fixed disc (6) is provided with a connecting end (9).