CN216666081U

CN216666081U - Injection molding machine oil cylinder cover with leakage-proof function

Info

Publication number: CN216666081U
Application number: CN202122658701.2U
Authority: CN
Inventors: 朱海青; 张朦; 朱柯伟; 朱洪平
Original assignee: Jiangyin Hengfarui Precision Machinery Co ltd
Current assignee: Jiangyin Hengfarui Precision Machinery Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-06-03
Anticipated expiration: 2031-11-02

Abstract

The utility model discloses an injection molding machine oil cylinder cover with a leakage-proof function, which comprises an oil cylinder cover body, wherein two leakage-proof assemblies are arranged on the inner wall of the oil cylinder cover body, an oil guide channel is arranged on the inner wall of the oil cylinder cover body, each leakage-proof assembly comprises an oil seal ring I and an oil guide cotton, an oil squeezing assembly is movably arranged on the inner wall of the oil guide channel, an oil guide groove is arranged on the inner wall of the oil cylinder cover body, the oil guide groove is communicated with the oil guide channel, and an oil seal ring II is arranged on the inner wall of the oil guide groove. The oil guide device can quickly discharge oil scraped from the inside of the oil seal ring I into the oil guide channel, so that leakage caused by excessive oil accumulation in the outer lip of the oil seal ring I is avoided, the piston rod can be subjected to double leakage prevention by using the two leakage prevention assemblies, the leakage prevention effect of the oil guide device is improved, and when the oil outlet quantity of the outer wall of the piston rod is excessive, redundant oil is blocked and directly flows into the oil guide channel by matching the oil seal ring II with the oil guide groove, so that the leakage condition of the oil guide device is avoided.

Description

Injection molding machine oil cylinder cover with leakage-proof function

Technical Field

The utility model relates to the technical field of injection molding machines, in particular to an injection molding machine oil cylinder cover with a leakage-proof function.

Background

The hydraulic oil cylinder is an industrial automation device widely applied in the injection molding industry and mainly comprises a cylinder barrel, a piston rod and the like. At present, the injection device of a common hydraulic injection molding machine is divided into double-cylinder injection and single-cylinder injection, a screw rod of a single-cylinder injection system and an injection oil cylinder are arranged in a line, the centering stress performance is good, the inertia of a moving part is extremely small, the start and stop of the injection are more sensitive and accurate, the injection period is reduced to the maximum extent, the injection control precision is improved, and the repetition precision of products is greatly improved. The single-cylinder one-line injection plasticizing mechanism has small starting resistance, reduces energy consumption, improves starting sensitivity and can meet the requirement of the market on high-speed and precise energy-saving injection molding.

But when the piston rod in the injection molding machine after long-time motion, a large amount of hydraulic oil can gather in the inside of oil cylinder lid, if can't in time discharge, then can lead to oil leak phenomenon to appear in the oil cylinder lid, reduced the work efficiency of injection molding machine oil cylinder.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an injection molding machine oil cylinder cover with a leakage-proof function, so as to solve the problems in the background technology.

In order to solve the technical problems, the utility model provides the following technical scheme: injection molding machine oil cylinder cap with prevent leaking the function, including the oil cylinder cap body, oil cylinder cap body inner wall is equipped with two leak protection subassemblies, oil cylinder cap body inner wall in leak protection subassembly below is equipped with leads oily passageway, the leak protection subassembly includes oil blanket circle one and leads oily cotton, oil blanket circle one is located oil cylinder cap body inner wall, it locates to lead oily cotton one end inside oil blanket circle, it locates to lead the oily cotton other end lead inside the oily passageway, lead oily passageway inner wall activity be equipped with lead the crowded oily subassembly of oily cotton assorted, oil cylinder cap body inner wall is equipped with leads the oil groove, lead the oil groove with it link up to lead oily passageway, it is equipped with oil blanket circle two to lead the oil groove inner wall.

Furthermore, the oil squeezing assembly comprises an oil squeezing block I, an oil squeezing block II, a rack I and a rack II, the oil squeezing block I and the oil squeezing block II are respectively matched with the two oil guide cottons, the oil squeezing block I is fixedly connected with the rack I, the oil squeezing block II is fixedly connected with the rack II, the inner wall of the oil guide channel is provided with a special-shaped gear which is movably connected, the special-shaped gear is meshed with the rack I and the rack II, and the rack I and the rack II are both movably connected with the oil guide channel through springs.

Further, the oil cylinder cover body is movably arranged on the outer wall of the oil cylinder, a piston rod is movably connected inside the oil cylinder, and a through hole matched with the piston rod is formed in the inner wall of the oil cylinder cover body, so that the oil cylinder cover body can be normally used.

Further, lead oil passageway one end and extend to the oil cylinder cover body outside, oil cylinder cover body outer wall be equipped with lead oil passageway assorted oil storage box, collect the processing to leading the interior oil of oil passageway.

Furthermore, the first rack and the second rack are both in sliding connection with the oil guide channel through a sliding rail, and one end of the spring is fixedly connected with the sliding rail, so that the oil guide channel cannot influence the working process of the first rack and the second rack.

Furthermore, the special-shaped gear pass through the pivot with lead oil passageway swing joint, the special-shaped gear outer wall is equipped with the control lever, control lever one end extends to the hydro-cylinder cover body outside makes things convenient for external power source control special-shaped gear's rotation.

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

1. according to the oil guide device, the oil guide channel, the oil seal ring I, the oil guide cotton, the oil squeezing assembly, the oil guide groove and the oil seal ring II are arranged, oil scraped from the inside of the oil seal ring I can be quickly discharged into the oil guide channel, leakage caused by excessive oil accumulation in the outer lip of the oil seal ring I is avoided, double leakage prevention can be performed on the piston rod by using the two leakage prevention assemblies, the leakage prevention effect of the oil guide device is improved, when the oil output of the outer wall of the piston rod is excessive, redundant oil is blocked and directly flows into the oil guide channel by using the oil seal ring II and the oil guide groove in a matched mode, and the leakage condition of the oil guide device is avoided.

2. According to the utility model, the oil squeezing block I, the oil squeezing block II, the rack I, the rack II, the special-shaped gear and the spring are arranged, and the oil squeezing block I and the oil squeezing block are driven to squeeze two pairs of two oil guide cottons by the same power source, so that the oil conveying efficiency in the oil guide cottons is improved, and the power resource is saved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a front view of the cylinder head body of the present invention;

FIG. 2 is a front sectional view of the cylinder head body and the oil cylinder of the present invention after installation;

FIG. 3 is a front view of the shaped gear of the present invention;

FIG. 4 is an enlarged schematic view at A of FIG. 2 of the present invention;

in the figure: 1. an oil cylinder cover body; 2. a leak-proof assembly; 3. an oil guide channel; 4. a first oil seal ring; 5. oil guide cotton; 6. an oil squeezing assembly; 7. an oil guide groove; 8. a second oil seal ring; 9. oil squeezing blocks I; 10. a second oil squeezing block; 11. a first rack; 12. a second rack; 13. a special-shaped gear; 14. a spring; 15. an oil cylinder; 16. a piston rod; 17. and an oil storage box.

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. 1-2 and fig. 4, the present invention provides a technical solution: an injection molding machine oil cylinder cover with a leakage-proof function comprises an oil cylinder cover body 1, wherein the oil cylinder cover body 1 is movably arranged on the outer wall of an oil cylinder 15, a piston rod 16 which is movably connected is arranged inside the oil cylinder 15, the inner wall of the oil cylinder cover body 1 is provided with a through hole which is matched with the piston rod 16, the oil cylinder cover body 1 is arranged on the outer wall of the oil cylinder 15, the through hole of the oil cylinder cover body 1 is matched with the piston rod 16, the normal use of the oil cylinder cover body 1 is ensured, the inner wall of the oil cylinder cover body 1 is provided with two leakage-proof components 2, an oil guide channel 3 is arranged below the leakage-proof components 2 on the inner wall of the oil cylinder cover body 1, one end of the oil guide channel 3 extends to the outer side of the oil cylinder cover body 1, the outer wall of the oil cylinder cover body 1 is provided with an oil storage box 17 which is matched with the oil guide channel 3, the oil in the oil guide channel 3 can finally slide into the oil storage box 17, and the oil in the oil guide channel 3 is collected, avoid polluting surrounding environment, but and reuse resource, leak protection subassembly 2 includes oil blanket circle one 4 and leads oily cotton 5, oil blanket circle one 4 is located 1 inner wall of oil cylinder cap body, it locates to lead oily cotton 5 one end inside oil blanket circle one 4, it locates to lead the oily cotton 5 other end lead inside the oil passageway 3, lead 3 inner wall activities of oil passageway be equipped with lead 5 assorted crowded oily subassemblies 6 of oily cotton, 1 inner wall of oil cylinder cap body is equipped with leads oil groove 7, lead oil groove 7 with it link up to lead oil passageway 3, with it is equipped with oil blanket circle two 8 to lead 7 inner walls of oil groove.

The specific implementation mode is as follows: when the oil guide device is used, the outer lip of the oil seal ring I4 scrapes oil on the outer wall of the piston rod 16, the oil guide cotton 5 absorbs the oil scraped by the outer lip and transmits the oil into the oil guide channel 3 at the other end of the oil guide cotton 5, the oil squeezing component 6 can be used for intermittently squeezing one end of the oil guide cotton 5 at the moment, after the oil guide cotton 5 absorbs the oil, the oil squeezing component 6 squeezes one end of the oil guide cotton to squeeze the oil in the oil guide cotton 5 and drop the oil into the oil guide channel 3, when the oil squeezing component 6 loosens the squeezing of the oil guide cotton 5, the oil in one end of the oil guide cotton 5, which is in contact with the oil seal ring I4, is conveyed into one end of the oil guide cotton 5, which is connected with the oil guide channel 3 through the material characteristics of the oil guide cotton 5, and the oil conveying efficiency in the oil guide cotton 5 is improved in the process that the oil squeezing component 6 continuously squeezes and loosens the oil guide cotton 5, so that the oil conveying efficiency in the outer lip of the oil seal ring I4 can be quickly conveyed into the oil guide channel 3, avoid the interior oil accumulation of the outer lip of oil packing ring one too much to lead to leaking, through using two oil packing rings one 4 and leading the cooperation of oil cotton 5, can carry out dual leak protection to piston rod 16, improve the leak protection effect of this device to when the play oil volume of the 16 outer walls of piston rod is too much, oil packing ring two 8 can block unnecessary oil, and make unnecessary oil directly flow in through leading oil groove 7 and lead in oil channel 3, avoid this device to take place the leakage condition.

Referring to fig. 2-4, the present invention provides the following technical solutions: the injection molding machine oil cylinder cover with the leakage-proof function is characterized in that the oil squeezing assembly 6 further comprises an oil squeezing block I9, an oil squeezing block II 10, a rack I11 and a rack II 12, the oil squeezing block I9 and the oil squeezing block II 10 are respectively matched with two oil guide cottons 5, the oil squeezing block I9 is fixedly connected with the rack I11, the oil squeezing block II 10 is fixedly connected with the rack II 12, the inner wall of the oil guide channel 3 is provided with a movably connected special-shaped gear 13, the special-shaped gear 13 is movably connected with the oil guide channel 3 through a rotating shaft, the outer wall of the special-shaped gear 13 is provided with a control rod, one end of the control rod extends to the outer side of the oil cylinder cover body 1 to connect an external power source with the control rod, the control rod drives the special-shaped gear 13 to rotate, the special-shaped gear 13 rotates in the oil guide channel 3 through the rotating shaft, and the external power source is convenient to control the rotation of the special-shaped gear 13, the special-shaped gear 13 is meshed with the first rack 11 and the second rack 12, the first rack 11 and the second rack 12 are movably connected with the oil guide channel 3 through a spring 14, the first rack 11 and the second rack 12 are slidably connected with the oil guide channel 3 through a sliding rail, one end of the spring 14 is fixedly connected with the sliding rail, the spring 14 drives the first rack 11 and the second rack 12 to respectively move in the oil guide channel 3 through the sliding rail, and the oil guide channel 3 is ensured not to influence the working process of the first rack 11 and the second rack 12.

The specific implementation mode is as follows: when the oil guide device is used, the special-shaped gear 13 is connected with a power source to drive the special-shaped gear 13 to rotate, the special-shaped gear 13 can drive the first rack 11 and the second rack 12 which are meshed with each other to move, the first rack 11 and the second rack 12 respectively drive the first oil squeezing block 9 and the second oil squeezing block 10 to move, when one side of the special-shaped gear 13 without gear teeth moves to be in contact with the first rack 11 and the second rack 12, the special-shaped gear 13 cannot generate resistance on the first rack 11 and the second rack 12, the first rack 11 and the second rack 12 can move through the rebound force of the spring 14, the first oil squeezing block 9 and the second oil squeezing block 10 are driven to move again, one end of the oil guide cotton 5 is squeezed by the first oil squeezing block 9 and the second oil squeezing block 10, oil in the oil guide cotton 5 is squeezed out and drops into the oil guide channel 3, the first oil squeezing block 9, the second oil squeezing block 10, the first rack 11, the second rack 12, the special-shaped gear 13 and the spring 14 can pass through the same power source, meanwhile, the first oil squeezing block 9 and the second oil squeezing block 10 are driven to squeeze the two oil guide cottons 5, so that the oil conveying efficiency inside the oil guide cottons 5 is improved, and power resources are saved.

The working principle of the utility model is as follows:

referring to the attached drawings 1-2 and 4 of the specification, the oil guide device can quickly discharge oil scraped from the inside of the oil seal ring I4 into the oil guide channel 3 by arranging the oil guide channel 3, the oil seal ring I4, the oil guide cotton 5, the oil squeezing component 6, the oil guide groove 7 and the oil seal ring II 8, so that leakage caused by excessive oil accumulation in an outer lip of the oil seal ring I is avoided, the double leakage prevention can be performed on the piston rod 16 by using the two leakage prevention components 2, the leakage prevention effect of the oil guide device is improved, and when the oil output of the outer wall of the piston rod 16 is excessive, redundant oil is blocked and directly flows into the oil guide channel 3 by matching the oil seal ring II 8 and the oil guide groove 7, so that the leakage condition of the oil guide device is avoided.

Further, referring to the attached figures 2-4 of the specification, the oil guide device is provided with the first oil squeezing block 9, the second oil squeezing block 10, the first rack 11, the second rack 12, the special-shaped gear 13 and the spring 14, and the first oil squeezing block 9 and the second oil squeezing block 10 can be driven to squeeze two oil guide cottons 5 through the same power source, so that the oil conveying efficiency inside the oil guide cottons 5 is improved, and power resources are 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.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Injection molding machine oil cylinder lid with prevent leaking function, including oil cylinder lid body (1), its characterized in that: the oil cylinder cover comprises an oil cylinder cover body (1) and is characterized in that two leakage-proof assemblies (2) are arranged on the inner wall of the oil cylinder cover body (1), the inner wall of the oil cylinder cover body (1) is arranged below the leakage-proof assemblies (2) to form an oil guide channel (3), the leakage-proof assemblies (2) comprise an oil seal ring I (4) and an oil guide cotton (5), the oil seal ring I (4) is arranged on the inner wall of the oil cylinder cover body (1), one end of the oil guide cotton (5) is arranged inside the oil seal ring I (4), the other end of the oil guide cotton (5) is arranged inside the oil guide channel (3), the inner wall of the oil guide channel (3) is movably provided with an oil squeezing assembly (6) matched with the oil guide cotton (5), an oil guide groove (7) is arranged on the inner wall of the oil cylinder cover body (1), the oil guide groove (7) is communicated with the oil guide channel (3), and the inner wall of the oil guide groove (7) is provided with an oil seal ring II (8).

2. An injection molding machine cylinder head with leak-proof function as claimed in claim 1, characterized in that: the oil squeezing assembly (6) comprises an oil squeezing block I (9), an oil squeezing block II (10), a rack I (11) and a rack II (12), the oil squeezing block I (9) and the oil squeezing block II (10) are respectively matched with two oil guide cottons (5), the oil squeezing block I (9) is fixedly connected with the rack I (11), the oil squeezing block II (10) is fixedly connected with the rack II (12), the inner wall of the oil guide channel (3) is provided with a movably connected special-shaped gear (13), the special-shaped gear (13) is meshed with the rack I (11) and the rack II (12), and the rack I (11) and the rack II (12) are both movably connected with the oil guide channel (3) through springs (14).

3. An injection molding machine cylinder head with leak-proof function as claimed in claim 1, characterized in that: the oil cylinder cover is characterized in that the outer wall of the oil cylinder (15) is movably arranged on the oil cylinder cover body (1), a piston rod (16) which is movably connected is arranged inside the oil cylinder (15), and a through hole matched with the piston rod (16) is formed in the inner wall of the oil cylinder cover body (1).

4. An injection molding machine cylinder head with leak-proof function as claimed in claim 1, characterized in that: lead oily passageway (3) one end and extend to the oil cylinder cover body (1) outside, oil cylinder cover body (1) outer wall be equipped with lead oily passageway (3) assorted oil storage box (17).

5. An injection molding machine cylinder head with leakage prevention function as claimed in claim 2, characterized in that: the first rack (11) and the second rack (12) are both in sliding connection with the oil guide channel (3) through sliding rails, and one end of the spring (14) is fixedly connected with the sliding rails.

6. An injection molding machine cylinder head with leakage prevention function as claimed in claim 2, characterized in that: the special-shaped gear (13) is movably connected with the oil guide channel (3) through a rotating shaft, a control rod is arranged on the outer wall of the special-shaped gear (13), and one end of the control rod extends to the outer side of the oil cylinder cover body (1).