Cold extrusion forming oil press

Abstract

A plurality of stand columns are vertically arranged on an objective table of a machine body, a mounting seat is arranged at the tops of the stand columns, a hydraulic mechanism is arranged on the mounting seat, the hydraulic mechanism comprises a hydraulic cylinder connected with a lower pressing table, and the lower pressing table is driven by a piston rod on the hydraulic cylinder to move up and down along the stand columns. A cleaning mechanism is arranged at the bottom of the mounting seat and comprises an annular mounting part, a cleaning assembly and an adjusting assembly, the cleaning assembly and the adjusting assembly are arranged in the annular mounting part, the annular mounting part is arranged around the piston rod, the cleaning assembly comprises a plurality of cleaning parts, the cleaning parts are arranged in the radial direction of the annular mounting part, and the cleaning parts are in transmission connection with the adjusting assembly. According to the cold extrusion forming oil press, in the retraction process of the piston rod, the cleaning assembly can scrape and clean dust, impurities and the like on the surface of the piston rod, and the dust, the impurities and the like are prevented from entering the oil cylinder to abrade the oil cylinder and the piston rod.

Description

Technical Field

[0001] The utility model relates to the technical field of oil presses, in particular to a cold extrusion forming oil press. Background Art

[0002] A hydraulic press (a type of hydraulic press) is a machine that uses special hydraulic oil as the working medium and a hydraulic pump as the power source. The hydraulic oil enters the cylinder / piston through the hydraulic pipeline by the force of the pump. Then there are several sets of seals that cooperate with each other in the cylinder / piston. The seals in different positions are different, but they all play a sealing role to prevent the hydraulic oil from leaking. Finally, the hydraulic oil circulates in the oil tank through a one-way valve to make the cylinder / piston circulate and do work, thereby completing a certain mechanical action as a kind of productivity.

[0003] When the hydraulic press works in an environment with a lot of dust, the residual lubricating oil on the side wall of the piston rod exposed to the main cylinder will absorb dust when the piston rod is making a long stroke or staying outside the main cylinder for a long time. The dust and other debris absorbed by the piston rod during work will reduce the lubricating effect of the lubricating oil. As the movement frequency of the machine increases and the operating cycle is extended, the adsorbed dust accelerates the wear and fatigue of the sealing system, causing the main cylinder to leak after frequent work, causing the working medium to flow across the cavity boundary to the outside, and the dust will seriously contaminate the hydraulic oil in the cylinder, which will not only cause waste of working medium and pollution of the working environment, but may even cause equipment operation failure or personal accidents. Utility Model Content

[0004] The purpose of the utility model is to provide a cold extrusion hydraulic press to solve the above-mentioned deficiencies in the prior art.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A cold extrusion forming hydraulic press comprises a fuselage, the fuselage comprises a loading platform, a plurality of columns are vertically arranged on the loading platform, a mounting seat is arranged on the top of the column, a hydraulic mechanism is arranged on the mounting seat, and a pressing platform is also included, the hydraulic mechanism comprises a hydraulic cylinder connected to the pressing platform, the pressing platform is driven by the piston rod on the hydraulic cylinder and can move up and down along the column, a cleaning mechanism is arranged at the bottom of the mounting seat, the cleaning mechanism comprises an annular mounting part and a cleaning assembly and an adjusting assembly arranged in the annular mounting part, the annular mounting part is arranged around the piston rod, the cleaning assembly comprises a plurality of cleaning parts, each of the cleaning parts is arranged along the radial direction of the annular mounting part, and each of the cleaning parts is transmission connected to the adjusting assembly.

[0007] The above-mentioned cold extrusion forming hydraulic press has four columns, and the four columns are respectively arranged at the four corners of the loading platform.

[0008] For the above cold extrusion forming hydraulic press, through holes are provided at the corners of the lower pressing table, an outer sleeve is arranged in each through hole, and the outer sleeve is slidably sleeved on the column.

[0009] For the above cold extrusion forming hydraulic press, a radially open groove is provided at the bottom of the annular mounting member, there are a plurality of the radially open grooves, and the plurality of radially open grooves are sequentially arranged at intervals along the circumferential direction of the annular mounting member.

[0010] For the above cold extrusion forming hydraulic press, a sliding structure is arranged on the cleaning member, the sliding structure is slidably restricted in the radially open groove, and a scraping member is arranged at one end of the cleaning member close to the center position of the annular mounting member.

[0011] For the above cold extrusion forming hydraulic press, the adjusting assembly includes an annular rotating member, and a spiral driving groove is arranged on the annular rotating member.

[0012] For the above cold extrusion forming hydraulic press, a plurality of arc-shaped strips are arranged at the top of the cleaning member, the plurality of arc-shaped strips are sequentially arranged at intervals along the length direction of the cleaning member, the arc-shaped strips are located in the spiral driving groove, and arc-shaped adjusting grooves are formed between the arc-shaped strips.

[0013] For the above cold extrusion forming hydraulic press, the adjusting assembly further includes a bevel gear, an installation cavity for installing the bevel gear is arranged in the annular mounting member, an opening is arranged on the annular mounting member and communicated with the installation cavity, and the driving head of the bevel gear is rotatably installed in the opening.

[0014] For the above cold extrusion forming hydraulic press, a conical surface is arranged at the top of the annular rotating member, a tooth groove is arranged on the conical surface, and the bevel gear meshes with the tooth groove.

[0015] In the above technical solution, for the cold extrusion forming hydraulic press provided by the present utility model, the fuselage includes a loading table, a plurality of columns are vertically arranged on the loading table, an installation seat is arranged at the top of the columns, a hydraulic mechanism is arranged on the installation seat, the lower pressing table can move up and down along the columns under the drive of the piston rod on the hydraulic cylinder, and a cleaning mechanism is arranged at the bottom of the installation seat. The cleaning mechanism includes an annular mounting member and a cleaning assembly and an adjusting assembly arranged in the annular mounting member. During use, when it is necessary to clean the piston rod, the cleaning member can be adjusted to the first working position close to the piston rod through the adjusting assembly. In this way, during the retraction process of the piston rod, a plurality of cleaning members jointly scrape and clean the dust and sundries on the surface of the piston rod, avoiding dust and sundries from entering the oil cylinder and causing wear to the oil cylinder and the piston rod. When cleaning is required, the cleaning member can be adjusted to the second working position away from the piston rod through the adjusting assembly, which is convenient for the user to clean the cleaning member. Brief Description of the Drawings

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings in the following description are only some embodiments recorded in the present utility model. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings.

[0017] Figure 1 The front view of the cold extrusion forming hydraulic press provided by the embodiment of the present utility model;

[0018] Figure 2 The left view of the cold extrusion forming hydraulic press provided by the embodiment of the present utility model;

[0019] Figure 3 The bottom view of the cleaning mechanism provided by the embodiment of the present utility model;

[0020] Figure 4 The top view of the cleaning mechanism provided by the embodiment of the present utility model;

[0021] Figure 5 The installation schematic diagram of the annular rotating member provided by the embodiment of the present utility model;

[0022] Figure 6 One of the structural schematic diagrams of the adjustment assembly provided by the embodiment of the present utility model;

[0023] Figure 7 Another structural schematic diagram of the adjustment assembly provided by the embodiment of the present utility model;

[0024] Figure 8 The structural schematic diagram of the cleaning member provided by the embodiment of the present utility model.

[0025] Explanation of the reference numerals in the drawings:

[0026] 1. Machine body; 11. Loading platform; 12. Column; 13. Mounting seat; 2. Hydraulic mechanism; 21. Hydraulic cylinder; 22. Piston rod; 3. Cleaning mechanism; 31. Annular mounting member; 311. Radial opening groove; 32. Cleaning assembly; 33. Cleaning member; 331. Scraping member; 332. Arc-shaped strip; 34. Adjustment assembly; 35. Annular rotating member; 351. Spiral driving groove; 352. Tapered surface; 353. Tooth groove; 4. Lower pressing table; 41. Outer sleeve. Detailed Description of the Embodiments

[0027] In order to enable those skilled in the art to better understand the technical solutions of the present utility model, the following will further introduce the present utility model in detail in conjunction with the drawings.

[0028] As Figure 1-8As shown, the utility model provides a cold extrusion forming hydraulic press, including a fuselage 1 and a lower pressing platform 4, the fuselage 1 includes a loading platform 11, a plurality of columns 12 are vertically arranged on the loading platform 11, a mounting seat 13 is arranged on the top of the column 12, a hydraulic mechanism 2 is arranged on the mounting seat 13, the hydraulic mechanism 2 includes a hydraulic cylinder 21 connected to the lower pressing platform 4, the lower pressing platform 4 is driven by a piston rod 22 on the hydraulic cylinder 21 and can move up and down along the column 12, a cleaning mechanism 3 is arranged at the bottom of the mounting seat 13, the cleaning mechanism 3 includes an annular mounting member 31 and a cleaning assembly 32 and an adjusting assembly 34 arranged in the annular mounting member 31, the cleaning assembly 32 includes a plurality of cleaning members 33, each cleaning member 33 is arranged along the radial direction of the annular mounting member 31, and each cleaning member 33 is transmission-connected to the adjusting assembly 34.

[0029] Specifically, the fuselage 1 includes a stage 11, on which a mold can be installed, so that a workpiece to be extruded can be placed and installed on the stage 11 to achieve extrusion processing. This is a prior art and will not be repeated. A column 12 is arranged on the stage 11, and the column 12 can be two, four or more. A mounting seat 13 is arranged on the top of the column 12, and the mounting seat 13 is fixedly connected to the column 12. A hydraulic mechanism 2 is arranged on the mounting seat 13. The hydraulic mechanism 2 may include a hydraulic box, a hydraulic cylinder 21, and a piston rod 22 located on the hydraulic cylinder 21. The piston rod 22 is arranged parallel to the column 12, the piston rod 22 can move along the axial direction parallel to the column 12, the pressing table 4 is slidably connected to the column 12, and the pressing table 4 is connected to the lower end of the piston rod 22, the pressing table 4 is located between the mounting seat 13 and the loading platform 11, the pressing table 4 is arranged parallel to the loading platform 11, and the user can control the extension and retraction of the hydraulic cylinder 21 to make the pressing table 4 move in the vertical direction driven by the piston rod 22, so that the pressing table 4 can abut against the loading platform 11 and squeeze the workpiece on the loading platform 11, thereby completing the work of extruding the workpiece.

[0030] In this embodiment, a cleaning mechanism 3 is provided at the bottom of the mounting seat 13, and the cleaning mechanism 3 is used to clean the piston rod 22 to prevent the adsorbed dust and debris on the piston rod 22 from being brought into the oil cylinder and causing wear of the piston rod 22. The cleaning mechanism 3 includes an annular mounting member 31, and the circular space in the middle of the annular mounting member 31 is larger than the size of the piston rod 22. The annular mounting member 31 is arranged around the piston rod 22, and a cleaning assembly 32 is arranged on the annular mounting member 31. The cleaning assembly 32 includes a plurality of cleaning members 33, each cleaning member 33 is arranged along the radial direction of the annular mounting member 31, and a plurality of cleaning members 33 are arranged in sequence along the circumferential direction of the annular mounting member 31. A part of the cleaning member 33 is installed in the annular mounting member 31, and a part of it extends into the circular space in the middle of the annular mounting member 31. The cleaning member 33 is located at one end of the circular space for cleaning The cleaning member 33 is provided with a cleaning structure capable of cleaning the piston rod 22 at the cleaning end, and an adjusting assembly 34 is also provided inside the annular mounting member 31. The adjusting assembly 34 is transmission-connected to each cleaning member 33, and the position of each cleaning member 33 can be adjusted by the adjusting assembly 34 so that the cleaning end moves to the outer wall of the piston rod 22. In this way, during use, when it is necessary to clean the piston rod 22, the cleaning member 33 is adjusted to a first working position close to the piston rod 22. At this time, each cleaning member 33 jointly cleans the dust and debris on the piston rod 22. When it is necessary to clean the debris on the cleaning member 33, the cleaning member 33 is adjusted to a second working position away from the piston rod 22 by the adjusting assembly 34. At this time, there is a certain gap between the cleaning member 33 and the piston rod 22, which is convenient for handling the cleaning member 33.

[0031] The utility model provides a cold extrusion forming hydraulic press, wherein a body 1 comprises a loading platform 11, a plurality of columns 12 are vertically arranged on the loading platform 11, a mounting seat 13 is arranged on the top of the column 12, a hydraulic mechanism 2 is arranged on the mounting seat 13, a lower pressing platform 4 is driven by a piston rod 22 on a hydraulic cylinder 21 and can move up and down along the column 12, a cleaning mechanism 3 is arranged at the bottom of the mounting seat 13, and the cleaning mechanism 3 comprises an annular mounting member 31 and a cleaning assembly 32 and an adjusting assembly 34 arranged in the annular mounting member 31. During use, when it is needed When the piston rod 22 needs to be cleaned, the cleaning piece 33 can be adjusted to the first working position close to the piston rod 22 through the adjusting component 34. In this way, during the retraction of the piston rod 22, multiple cleaning pieces 33 can jointly scrape and clean the dust and debris on the surface of the piston rod 22 to prevent dust and debris from entering the cylinder and causing wear to the cylinder and the piston rod 22. When cleaning is required, the cleaning piece 33 can be adjusted to the second working position away from the piston rod 22 through the adjusting component 34, which is convenient for the user to clean the cleaning piece 33.

[0032] In this embodiment, preferably, there are four columns 12, and the four columns 12 are respectively arranged at the four corners of the loading platform 11. Through holes are provided at the corners of the lower pressing platform 4, and outer sleeves 41 are arranged in the through holes. The outer sleeves 41 are slidably sleeved on the columns 12. When the lower pressing platform 4 is driven by the piston rod 22 to move up and down, the outer sleeves 41 respectively move along the columns 12, so that the movement of the lower pressing platform 4 is restricted, that is, it moves along the axial direction of the columns 12, ensuring that the lower pressing platform 4 is parallel to the loading platform 11.

[0033] In this embodiment, preferably, a radially open groove 311 is provided at the bottom of the annular mounting member 31. There are a plurality of radially open grooves 311, and the plurality of radially open grooves 311 are arranged at intervals in the circumferential direction of the annular mounting member 31. Side limiting grooves may be provided on the side walls on both sides of the radially open groove 311. A sliding structure is provided on the cleaning member 33, and the sliding structure is slidably limited in the radially open groove 311. The sliding structure may be a limiting strip provided on the side of the cleaning member 33, and the limiting strip is located in the side limiting groove. One end of the cleaning member 33 close to the center of the annular mounting member 31 is provided with a scraping member 331. The scraping member 331 is a scraping plate provided at the cleaning end of the cleaning member 33, and the scraping plate is a large-sized arc-shaped plate. In this way, the scraping plates on the plurality of cleaning members 33 form an annular cleaning structure capable of surrounding the piston rod 22. During the retraction process of the piston rod 22, the plurality of scraping plates jointly scrape and clean the dust, debris, etc. on the surface of the piston rod 22. It should be noted that it is not necessary to scrape and clean every time the piston rod 22 retracts. It can be carried out regularly or operated according to the processing conditions.

[0034] In this embodiment, preferably, the adjusting component 34 includes an annular rotating member 35. A spiral driving groove 351 is provided on the annular rotating member 35. A plurality of arc-shaped strips 332 are provided at the top of the cleaning member 33. The plurality of arc-shaped strips 332 are arranged at intervals in the length direction of the cleaning member 33. The arc-shaped strips 332 are located in the spiral driving groove 351, and an arc-shaped adjusting groove is formed between the arc-shaped strips 332. When the annular rotating member 35 rotates in the first direction, the annular rotating member 35 drives each arc-shaped strip 332, so that each cleaning member 33 moves along the radial opening groove 311 towards the center of the annular mounting member 31 until the cleaning member 33 moves to the first working position, and the scraping member 331 on the cleaning member 33 fits on the piston rod 22 (or maintains a very small gap with the piston rod 22). When the annular rotating member 35 rotates in the second direction opposite to the first direction, the annular rotating member 35 drives each arc-shaped strip 332, so that each cleaning member 33 moves along the radial opening groove 311 towards the direction away from the center of the annular mounting member 31 to the second working position. At this time, the scraping member 331 on the cleaning member 33 is separated from the piston rod 22. When the piston rod 22 extends downward for an extending driving operation, at this time, each cleaning member 33 is in the second working position. When it is necessary to clean the scraping member 331 on the cleaning member 33, the cleaning member 33 is also in the second working position.

[0035] In this embodiment, preferably, the adjusting component 34 further includes a bevel gear. An installation cavity for installing the bevel gear is provided in the annular mounting member 31. An opening hole communicating with the installation cavity is provided on the annular mounting member 31. The driving head of the bevel gear is rotatably installed in the opening hole. A conical surface 352 is provided at the top of the annular rotating member 35. Tooth grooves 353 are provided on the conical surface 352. The bevel gear meshes with the tooth grooves 353. The bevel gear can be driven manually, or a rotary driving unit can be connected to the driving head to drive the bevel gear to rotate. The rotation of the bevel gear can correspondingly drive the annular rotating member 35 to rotate, so that the annular rotating member 35 can rotate in the first direction or the second direction.

[0036] In this embodiment, optionally, it further includes a debris receiving member (not shown in the figure), which is located directly below the annular mounting member 31 and is used to receive debris. The debris receiving member includes an annular plate. The annular plate is detachably installed directly below the annular mounting member 31, and there is a certain gap between the annular plate and the annular mounting member 31. A groove capable of storing oil stains, dust, and debris is provided in the annular plate. In this way, the oil stains and debris on the scraping plate will fall onto the annular plate during cleaning, preventing the debris from falling onto the loading platform 11. After cleaning, the annular plate can be removed for cleaning.

[0037] Only some exemplary embodiments of the present utility model are described by way of illustration. Without doubt, for those of ordinary skill in the art, various different ways can be used to modify the described embodiments without departing from the spirit and scope of the present utility model. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present utility model.

Claims

1. A cold extrusion hydraulic press, comprising a body, the body comprising a loading platform, a plurality of columns vertically arranged on the loading platform, a mounting seat arranged on the top of the column, a hydraulic mechanism arranged on the mounting seat, characterized in that: It also includes a pressing platform, the hydraulic mechanism includes a hydraulic cylinder connected to the pressing platform, the pressing platform is driven by a piston rod on the hydraulic cylinder and can move up and down along the column, a cleaning mechanism is provided at the bottom of the mounting seat, the cleaning mechanism includes an annular mounting part and a cleaning assembly and an adjusting assembly arranged in the annular mounting part, the annular mounting part is arranged around the piston rod, the cleaning assembly includes a plurality of cleaning parts, each of the cleaning parts is arranged along the radial direction of the annular mounting part, and each of the cleaning parts is transmission connected to the adjusting assembly.

2. The cold extrusion hydraulic press according to claim 1, characterized in that: There are four columns, and the four columns are respectively arranged at four corners of the loading platform.

3. The cold extrusion hydraulic press according to claim 1, characterized in that: Each corner of the pressing platform is provided with a through hole, an outer sleeve is provided in the through hole, and the outer sleeve is slidably sleeved on the column.

4. The cold extrusion hydraulic press according to claim 1, characterized in that: The bottom of the annular mounting member is provided with a radial opening groove, and there are a plurality of the radial opening grooves, which are sequentially spaced apart along the circumference of the annular mounting member.

5. The cold extrusion hydraulic press according to claim 4, characterized in that: The cleaning member is provided with a sliding structure, and the sliding structure is slidably restricted in the radial opening groove. The cleaning member is provided with a scraping member at one end close to the center of the annular mounting member.

6. The cold extrusion hydraulic press according to claim 1, characterized in that: The adjusting assembly comprises an annular rotating member, on which a spiral driving groove is arranged.

7. The cold extrusion hydraulic press according to claim 6, characterized in that: A plurality of arcuate bars are arranged on the top of the cleaning piece, and the arcuate bars are arranged in sequence and at intervals along the length direction of the cleaning piece. The arcuate bars are located in the spiral driving groove, and arcuate adjustment grooves are formed between the arcuate bars.

8. The cold extrusion hydraulic press according to claim 7, characterized in that: The adjustment assembly also includes a bevel gear. The annular mounting member is provided with a mounting cavity for mounting the bevel gear. The annular mounting member is provided with an opening communicating with the mounting cavity. The driving head of the bevel gear is rotatably mounted in the opening.

9. The cold extrusion hydraulic press according to claim 8, characterized in that: The top of the annular rotating member is provided with a conical surface, the conical surface is provided with tooth grooves, and the conical gear is meshed with the tooth grooves.

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