CN215674697U

CN215674697U - Screw and copper nut anti-lock device of friction press

Info

Publication number: CN215674697U
Application number: CN202122217194.9U
Authority: CN
Inventors: 扶香荣; 姬传堂; 俞同康
Original assignee: Nanjing Force Source Of Rail Transit Equipment Co ltd
Current assignee: Nanjing Force Source Of Rail Transit Equipment Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-01-28
Anticipated expiration: 2031-09-13

Abstract

The utility model discloses a screw and copper nut anti-lock device of a friction press, which comprises a cross beam, wherein a through slot hole is formed in the cross beam, a copper nut is fixed in the slot hole, the nut is communicated with a lubricating component on the cross beam, and the inside of the copper nut is also meshed with the screw. The screw rod and copper nut anti-lock device of the friction press machine is characterized in that the tooth surfaces of the screw rod and the copper nut are connected most of the time, the port groove of the tooth surface on the copper nut enables lubricating oil to form a closed workpiece, pressure of a pneumatic pump is utilized, the sealing plate is pulled by elasticity of a spring, under the impact of the oil liquid, the sealing plate is pushed to be separated from the joint of a main oil way and an oil distributing pipe, the oil liquid of the main oil way flows into the oil distributing pipe and then flows into a branch oil way for distributing, mixed lubricating oil is filled in a closed circular ring path of the outer diameter of the copper nut, a thread semicircular groove is filled with the mixed lubricating oil, the lubricating oil also plays a role of oil floating, the weight of a moving part is relatively reduced, and consumption of a friction block can be further saved.

Description

Screw and copper nut anti-lock device of friction press

Technical Field

The utility model relates to the technical field of metal forming equipment, in particular to a screw and copper nut anti-lock device of a friction press.

Background

Because the manufacturing industry of China is rapidly developed in the last decades to drive the development of equipment in the forging industry, the 12500-ton friction press can be manufactured at present, and the 12500-ton friction press has the problem that the 12500-ton friction press never meets the requirement before, the screw and the copper nut are completely lubricated by the screw and then the lubricating oil is brought into the copper nut for lubrication, but because the upper sliding block driven by the screw of the 12500-ton friction press is 60 tons, no gap exists on the joint surface of the screw and the lead screw in the rising process of the screw, and the lubricating oil is prevented from entering.

The locking phenomenon of the screw and the copper nut is generated, so that the upper sliding block cannot be lifted, and the equipment cannot be normally put into use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a screw and copper nut anti-lock device of a friction press, which has the advantages that the pressure of a pneumatic pump is utilized, mixed lubricating oil is filled in a closed circular ring path of the outer diameter of a copper nut, the mixed lubricating oil is filled in a thread semicircular groove, the lubricating oil also plays a role of oil floating, the weight of a moving part is relatively reduced, and the consumption of a friction block can be reduced, so that the problems in the prior art are solved.

In order to achieve the purpose, the utility model provides the following technical scheme: the screw and copper nut anti-lock device of the friction press comprises a cross beam, wherein a through groove hole is formed in the cross beam, a copper nut is fixed in the groove hole, the nut is communicated with a lubricating component on the cross beam, and the copper nut is also meshed with the screw.

Preferably, the lubricating assembly comprises a pneumatic pump, a support, a main oil way, a branch oil way and a forced oil distributor, the pneumatic pump is mounted on the support, the output end of the pneumatic pump is connected with the main oil way, the main oil way is arranged in the cross beam, the port of the main oil way is communicated with the forced oil distributor, and the other end of the forced oil distributor is communicated with not less than one group of branch oil ways.

Preferably, an inwards concave port groove is formed in the upper tooth surface of the copper nut, and the branch oil path is correspondingly communicated with the port groove.

Preferably, the forced oil separator comprises an oil separating shell, a sealing plate, a spring and an oil separating pipe, the oil separating pipe is fixedly arranged in the oil separating shell, and two ends of the oil separating pipe are sealed;

the main oil way and the branch oil way are respectively connected with the oil distribution pipe, one end of the spring is fixed in the main oil way, the other end of the spring extends into the oil distribution pipe to be connected with the sealing plate, and the sealing plate covers a through hole at the joint of the main oil way and the oil distribution pipe.

Preferably, the sealing plate is an arc-shaped circular plate, and a raised sealing ring is sleeved on the edge of the sealing plate.

Preferably, the axis of the oil distribution pipe is perpendicular to the axes of the main oil path and the branch oil path, and the diameters of the oil distribution pipe are larger than those of the main oil path and the branch oil path.

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

in the screw and copper nut anti-lock device of the friction press, the copper nut is also engaged with the screw, the screw rotates to ascend or descend along the copper nut, the tooth surfaces of the screw and the copper nut are connected most of the time in the engaged state of the screw and the copper nut, the port groove of the upper tooth surface of the copper nut enables the lubricating oil to form a closed workpiece, the pressure of the pneumatic pump and the elasticity of the spring are utilized to pull the sealing plate, under the impact of oil, the sealing plate is pushed to be separated from the joint of the main oil way and the oil distribution pipe, the oil of the main oil way flows into the oil distribution pipe and then flows into the branch oil way for distribution, the forced oil distributor sends the lubricating oil into a forced lubricating point through a plurality of branch oil ways, the closed circular path of the outer diameter of the copper nut is filled with mixed lubricating oil, the thread semicircular groove is filled with the mixed lubricating oil, the lubricating oil also plays a role of oil floating, so that the weight of the moving part is relatively reduced, and the consumption of the friction block can be saved.

Drawings

FIG. 1 is an overall cross-sectional view of the present invention;

FIG. 2 is a cross-sectional view taken along line A of the present invention;

FIG. 3 is a partial view at I of the present invention;

fig. 4 is a structural view of a forced oil separator of the present invention.

In the figure: 1. a cross beam; 11. a slot; 12. a copper nut; 2. a lubrication assembly; 21. a pneumatic pump; 22. a support; 23. a main oil path; 24. a branch oil path; 25. a forced oil separator; 251. an oil separating shell; 252. a sealing plate; 253. a spring; 254. an oil distributing pipe; 3. a screw.

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, the screw and copper nut anti-lock device of the friction press comprises a cross beam 1, wherein a through slot hole 11 is formed in the cross beam 1, a copper nut 12 is fixed in the slot hole 11, a hole in the inner side of the copper nut 12 is communicated with the slot hole 11, the copper nut 12 is communicated with a lubricating component 2 on the cross beam 1, the copper nut 12 is also meshed with a screw 3, and the screw 3 rotates to ascend or descend along the copper nut 12.

The lubricating component 2 comprises a pneumatic pump 21, a support 22, a main oil way 23, branch oil ways 24 and a forced oil distributor 25, wherein the pneumatic pump 21 is installed on the support 22, the support 22 plays a role in supporting the pneumatic pump 21, the output end of the pneumatic pump 21 is connected with the main oil way 23, the main oil way 23 is arranged in the cross beam 1, the port of the main oil way 23 is communicated with the forced oil distributor 25, the other end of the forced oil distributor 25 is communicated with not less than one group of branch oil ways 24, and lubricating oil is sent into the main oil way 23 by the pneumatic pump 21 and is distributed to the branch oil ways 24 through the forced oil distributor 25.

Referring to fig. 2-3, an inward concave port groove is formed on the upper tooth surface of the copper nut 12, the port groove is a forced lubrication point, wherein a branch oil path 24 is correspondingly communicated with the port groove, the tooth surfaces of the screw 3 and the copper nut 12 are connected most of the time when the screw 3 and the copper nut 12 are meshed, the port groove on the upper tooth surface of the copper nut 12 allows lubricating oil to form a closed workpiece, a forced oil distributor 25 feeds the lubricating oil into the forced lubrication point through a plurality of branch oil paths 24, a closed circular path of the outer diameter of the copper nut 12 is filled with mixed lubricating oil, the mixed lubricating oil also fills the threaded semicircular groove, and the lubricating oil plays a role of oil floatation and relatively lightens the weight of a moving part.

Referring to fig. 4, the forced oil separator 25 includes an oil separating housing 251, a sealing plate 252, a spring 253, and an oil separating pipe 254, the oil separating pipe 254 is fixed in the oil separating housing 251, wherein both ends of the oil separating pipe 254 are sealed;

the main oil path 23 and the branch oil path 24 are respectively connected with the oil distribution pipe 254, one end of the spring 253 is fixed in the main oil path 23, the other end of the spring 253 extends into the oil distribution pipe 254 and is connected with the sealing plate 252, the sealing plate 252 covers a through hole at the joint of the main oil path 23 and the oil distribution pipe 254, the sealing plate 252 is pulled by the elasticity of the spring 253, under the impact of oil, the sealing plate 252 is pushed to be separated from the joint of the main oil path 23 and the oil distribution pipe 254, and the oil in the main oil path 23 flows into the oil distribution pipe 254 and then flows into the branch oil path 24 for flow distribution.

The sealing plate 252 is an arc-shaped circular plate, and a raised sealing ring is sleeved on the edge of the sealing plate 252, so that in the non-working state of the pneumatic pump 21, oil in the main oil passage 23 does not push the sealing plate 252 under power, the spring 253 pulls the sealing plate 252 to be attached to the outer side of the through hole, and the sealing ring is used for sealing the sealing position of the main oil passage 23 and the oil distribution pipe 254, so that the pneumatic pump 21 is prevented from working in real time, and the working frequency and the power cost of the pneumatic pump are reduced.

The axis of the oil distribution pipe 254 is perpendicular to the axes of the main oil passage 23 and the branch oil passage 24, and the diameters of the oil distribution pipe 254 are both larger than the diameters of the main oil passage 23 and the branch oil passage 24.

The working principle is as follows: when the device is running, the copper nut 12 and the screw 3 are always in contact with each other, and the lubricating oil cannot seep out, but when the device is hit, a gap appears between the two tooth surfaces instantly, and the pressure (150 kg/cm) of the pneumatic pump 21 is utilized²) Lubricating oil is sprayed to the whole contact tooth surface to play a role in lubrication, so that the whole tooth surface of the copper nut 12 is filled with the lubricating oil and is fully lubricated.

After the improved copper nut 12 reloading experiment, the sliding block can flexibly move up and down, particularly, the speed is increased when the sliding block rises, the phenomenon that the sliding block rises and is stuck at all times is overcome, the electricity charge can be saved by 210 degrees per hour, and the consumption of friction blocks can be saved.

In summary, the following steps: in the screw and copper nut anti-lock device of the friction press, the copper nut 12 is also engaged with the screw 3, the screw 3 rotates to ascend or descend along the copper nut 12, the screw 3 and the copper nut 12 are in an engaged state, the tooth surfaces of the screw 3 and the copper nut 12 are connected most of the time, the port groove of the tooth surface on the copper nut 12 allows lubricating oil to form a closed workpiece, the sealing plate 252 is pulled by the elastic force of the spring 253 under the pressure of the pneumatic pump 21, the sealing plate 252 is pushed to be separated from the joint of the main oil path 23 and the oil distribution pipe 254 under the impact of the oil, the oil in the main oil path 23 flows into the oil distribution pipe 254 and then flows into the branch oil paths 24 for distribution, the lubricating oil is fed into a forced lubricating point by the forced oil distributor 25 through the plurality of branch oil paths 24, the closed circular path of the outer diameter of the copper nut 12 is filled with mixed lubricating oil, and the mixed lubricating oil also fills the thread semicircular groove, the lubricating oil also plays a role of oil floating, so that the weight of the moving part is relatively reduced, and the consumption of the friction block can be saved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 screw rod and copper nut anti-lock braking device of friction press, includes crossbeam (1), its characterized in that: a through slotted hole (11) is formed in the cross beam (1), a copper nut (12) is fixed to the slotted hole (11), the nut (12) is communicated with the lubricating component (2) on the cross beam (1), and the copper nut (12) is further meshed with the screw (3).

2. Screw and copper nut anti-lock device of friction press according to claim 1, characterized in that lubricating assembly (2) includes pneumatic pump (21), support (22), main oil circuit (23), branch oil circuit (24) and force oil separator (25), pneumatic pump (21) is installed on support (22), the output of pneumatic pump (21) is connected with main oil circuit (23), main oil circuit (23) is placed in crossbeam (1), the port of main oil circuit (23) is communicated with force oil separator (25), the other end of force oil separator (25) is communicated with branch oil circuit (24) not less than one group.

3. Screw and copper nut anti-lock device of a friction press according to claim 1, characterized in that the upper flank of the copper nut (12) is provided with an inwardly concave port groove, wherein the branch oil path (24) is provided in corresponding communication with the port groove.

4. Screw and copper nut anti-lock device for friction press according to claim 2, characterized in that said forced oil distributor (25) comprises an oil distribution housing (251), a sealing plate (252), a spring (253) and an oil distribution pipe (254), said oil distribution pipe (254) being fixed in said oil distribution housing (251), wherein both ends of said oil distribution pipe (254) are sealed;

the main oil way (23) and the branch oil way (24) are respectively connected with the oil distribution pipe (254), one end of the spring (253) is fixed in the main oil way (23), the other end of the spring (253) extends into the oil distribution pipe (254) to be connected with the sealing plate (252), and the sealing plate (252) covers a through hole at the connection position of the main oil way (23) and the oil distribution pipe (254).

5. The screw and copper nut anti-lock device of a friction press as claimed in claim 4, wherein said sealing plate (252) is an arc-shaped circular plate, and a raised sealing ring is sleeved on the edge of the sealing plate (252).

6. Screw and copper nut anti-lock device for friction press according to claim 4, characterized in that the axis of said oil distribution pipe (254) is perpendicular to the axis of the main oil circuit (23) and branch oil circuit (24), and the diameter of the oil distribution pipe (254) is larger than the diameter of the main oil circuit (23) and branch oil circuit (24).