阅读说明：本技术 下顶及浮动式磁性材料湿式成型条型液压机 (Wet-type forming bar-shaped hydraulic press for magnetic materials with lower top and floating type ) 是由 罗晓峰 汪城 杨俊� 王国华 王文杰 于 2021-10-13 设计创作，主要内容包括：本发明公开了下顶及浮动式磁性材料湿式成型条型液压机,属于液压机领域。本发明的液压机,包括上下配合设置的上工作台和下工作台,上工作台和下工作台的两侧通过两根立柱连接,上工作台的下方设置有上模,下工作台的上方对应设有下模,两根立柱的中心连线分别与上模上的模腔中心连线位置相一致,与下模的中心连线位置相一致。本发明克服现有技术中磁性材料成型液压机设备成型模面较大、模腔成型精度一致性不高,容易影响加工整体效能的现状,拟提供下顶及浮动式磁性材料湿式成型条型液压机,使得设备制造成本大幅降低,其使用灵活性大大增加,并有助于提高产品成型性能和尺寸精度,具有更灵活的生产适应性。(The invention discloses a wet-type molding strip-shaped hydraulic machine for a lower top and floating type magnetic material, and belongs to the field of hydraulic machines. The hydraulic press comprises an upper workbench and a lower workbench which are arranged in a vertically matched manner, wherein two sides of the upper workbench and two sides of the lower workbench are connected through two stand columns, an upper die is arranged below the upper workbench, a lower die is correspondingly arranged above the lower workbench, and central connecting lines of the two stand columns are respectively consistent with the position of a connecting line of centers of die cavities on the upper die and the lower die. The invention overcomes the current situations that the forming die surface of magnetic material forming hydraulic press equipment is larger, the forming precision consistency of a die cavity is not high and the overall processing efficiency is easily influenced in the prior art, and provides the lower-jacking and floating type magnetic material wet forming strip-shaped hydraulic press, so that the manufacturing cost of the equipment is greatly reduced, the use flexibility is greatly increased, the forming performance and the size precision of a product are improved, and the production adaptability is more flexible.)

1. A wet-type molding strip-shaped hydraulic press with a lower top and a floating magnetic material is characterized in that: the device comprises an upper workbench (103) and a lower workbench (115) which are arranged in a vertically matched mode, wherein the two sides of the upper workbench (103) and the lower workbench (115) are connected through two upright posts (104), an upper die (108) is arranged below the upper workbench (103), a lower die (109) is correspondingly arranged above the lower workbench (115), and the central connecting line of the two upright posts (104) is consistent with the central connecting line position of a die cavity on the upper die (108) and the central connecting line position of the lower die (109).

2. The hydraulic bottom lift and floating magnetic material wet forming bar press of claim 1, further comprising: a sliding block (105) is arranged below the upper workbench (103), the sliding block (105) is in sliding connection with the upright posts (104), a magnetizing and demagnetizing device is installed at the lower end of the sliding block (105), an upper die (108) is installed at the lower end of the magnetizing and demagnetizing device, and the central connecting line of the two upright posts (104) is consistent with the central connecting line of the magnetizing and demagnetizing device.

3. The hydraulic bottom lift and floating magnetic material wet forming bar press of claim 2, further comprising: the magnetizing and demagnetizing device comprises a solenoid core (106) and a solenoid (107), wherein the upper end of the solenoid core (106) is connected with the sliding block (105), the lower end of the solenoid core (106) is connected with the upper die (108), and the solenoid (107) surrounds the solenoid core (106).

4. The hydraulic bottom lift and floating magnetic material wet forming bar press of claim 1, further comprising: the upper die (108) is only provided with a single-row or double-row die cavity which is arranged in a row extending manner along the central connecting line direction of the two upright posts (104), and when the die cavity is arranged in a single row, the central connecting lines of a plurality of die cavities in the single row are correspondingly consistent with the central connecting line position of the two upright posts (104); when double rows of die cavities are formed, the central line between the two rows corresponds to and is consistent with the central connecting line of the two upright posts (104).

5. The hydraulic bottom lift and floating magnetic material wet forming bar press of claim 1, further comprising: the width dimension of the single-side upright post (104) is smaller than the width dimensions of the upper die (108) and the lower die (109).

6. The hydraulic bottom lift and floating magnetic material wet forming bar press of claim 5, further comprising: the column (104) is a cylindrical column.

7. The hydraulic bottom lift and floating magnetic material wet forming bar press of claim 1, further comprising: the lower workbench (115) is provided with a lower die side frame (111), the lower die side frame (111) is provided with a lower die (109), a lower punch fixing plate (112) is correspondingly arranged below the lower die (109), the lower punch fixing plate (112) is provided with a lower punch (110) correspondingly matched with the die cavity of the upper die (108), and the lower end of the lower punch fixing plate (112) is connected with the lower workbench (115) through a lower die guide post (113).

8. The hydraulic bottom lift and float magnetic material wet forming bar press of any one of claims 1 to 7, wherein: the device also comprises a feeding assembly, the feeding assembly comprises an injection stirring barrel (116) and an injection cylinder (117), a stirrer is further arranged in the injection stirring barrel (116), and a slurry filter (119) is further arranged at the end part of the injection cylinder (117); and is connected to the injection position by a material sealing valve (118).

Technical Field

The invention relates to the technical field of magnetic material forming hydraulic machines, in particular to a wet-type forming strip-shaped hydraulic machine for a lower top and floating type magnetic material.

Background

With the development of science and technology and modern life, magnetic material products are more widely applied to high-energy and high-efficiency industries such as military industry, frequency conversion technology, automobiles, household appliances and the like from the original application in the fields of loudspeakers, motors, fitness equipment and the like, and the requirements on the capacity and the grade are greatly increased year by year, so that higher requirements are provided for the efficiency of a wet forming hydraulic machine for manufacturing the magnetic material products. The traditional press is required to meet the requirements of mass production and labor reduction, the forming tonnage of production equipment is increased, and various inevitable defects and defects are also caused, the forming die surface is increased, large-scale high-precision equipment is required to complete die processing, the processing cost of the die is increased linearly, and the accuracy consistency of each die cavity is reduced due to the increase of the number of the die cavities. Simultaneously, large-scale fork truck need be used to the dress form tear-off die, and need reserve fork truck's workspace at the workplace, in whole production flow, because every former, all be mass production situation, in case the equipment trouble scheduling problem appears, stop using a equipment, just can bring very big influence for whole production output, it is more in the product variety of production, but under the not too big condition of output, still can appear frequently changing the mould, wash material pipe storage bucket, not only delay the production time, it is extravagant still to have caused raw materials unnecessary.

Through retrieval, a large number of patents are published on the optimization of the hydraulic forming technology of magnetic materials, for example, the application of application number 2012102422738 discloses a full-automatic wet type magnetic material forming hydraulic machine, which comprises an upper beam and a workbench, wherein the workbench and the upper beam are connected and fixed through guide posts at four corners, a slide block which is in sliding fit with the guide posts is arranged between the upper beam and the workbench, a top cylinder is arranged in the workbench, and an automatic feeding mechanism is arranged on one side of the workbench; the application with the application number of 201910568803X discloses a 1500KN magnetic material wet forming hydraulic press and a hydraulic forming process, wherein a hydraulic press body comprises an upper workbench and a lower workbench which are arranged in a vertically matched manner, a magnetic conductive upright post which is connected and supported between the upper workbench and the lower workbench, a lower die component which is arranged on the lower workbench, and an upper die component which is arranged on the upper workbench; application for application No. 2020208239967 discloses a full-automatic wet magnetic material shaping hydraulic press, including the base, two backup pads of the last lateral wall symmetry fixedly connected with of base, the same mounting panel of the upper end fixedly connected with of two backup pads, the last lateral wall fixedly connected with hydraulic means of mounting panel, hydraulic means's lower lateral wall sliding connection has the pressure head. The above applications relate to structural improvement of a forming hydraulic press, but the defects of large equipment and low precision consistency exist, and no much attention is paid to the direction in the industry.

Disclosure of Invention

1. Technical problem to be solved by the invention

The invention aims to overcome the current situations that the forming die surface of magnetic material forming hydraulic press equipment is large, the forming precision consistency of a die cavity is not high and the overall processing efficiency is easily influenced in the prior art, and provides a lower-top and floating type magnetic material wet forming strip-shaped hydraulic press, so that the equipment manufacturing cost is greatly reduced, the use flexibility is greatly increased, the product forming performance and the size precision are improved, and the production adaptability is more flexible.

2. Technical scheme

In order to achieve the purpose, the technical scheme provided by the invention is as follows:

the invention relates to a wet-type molding strip-shaped hydraulic press for a lower top and floating type magnetic material, which comprises an upper workbench and a lower workbench which are arranged in a vertically matched manner, wherein two sides of the upper workbench and the lower workbench are connected through two stand columns, an upper die is arranged below the upper workbench, a lower die is correspondingly arranged above the lower workbench, and the central connecting line of the two stand columns is respectively consistent with the central connecting line position of a die cavity on the upper die and consistent with the central connecting line position of the lower die.

Furthermore, a sliding block is arranged below the upper workbench, the sliding block is connected with the stand columns in a sliding mode, a magnetizing and demagnetizing device is arranged at the lower end of the sliding block, the upper die is arranged at the lower end of the magnetizing and demagnetizing device, and the central connecting line of the two stand columns is consistent with the central connecting line of the magnetizing and demagnetizing device.

Furthermore, the magnetizing and demagnetizing device comprises a solenoid core and a solenoid, wherein the upper end of the solenoid core is connected with the sliding block, the lower end of the solenoid core is connected with the upper die, and the solenoid is wound on the solenoid core.

Furthermore, the upper die is only provided with a single-row or double-row die cavity which is arranged in a row extending manner along the central connecting line direction of the two upright posts, and when the die cavity is arranged in a single row, the central connecting lines of a plurality of die cavities in the single row correspond to the central connecting line positions of the two upright posts; when the die cavities are arranged in two rows, the central line between the two rows corresponds to and is consistent with the central connecting line of the two upright posts.

Furthermore, the width dimension of the single-side upright post is smaller than the width dimensions of the upper die and the lower die.

Further, the pillar is a cylindrical pillar.

Furthermore, a lower die side frame is arranged on the lower workbench, a lower die is arranged on the lower die side frame, a lower punch fixing plate is correspondingly arranged below the lower die, a lower punch which is correspondingly matched with the upper die cavity is arranged on the lower punch fixing plate, and the lower end of the lower punch fixing plate is connected with the lower workbench through a lower die guide pillar.

Furthermore, the device also comprises a feeding assembly, wherein the feeding assembly comprises a material injection stirring barrel and a material injection cylinder, a stirrer is also arranged in the material injection stirring barrel, and a slurry filter is also arranged at the end part of the material injection cylinder; and is connected to the material injection position through a material sealing valve.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:

(1) the strip-type hydraulic machine adopts the design of the left upright post and the right upright post, the special positions of the left upright post and the right upright post are strictly limited to be matched, a coil magnetizing loop of the hydraulic machine just enables the center line of the mould to be flush with the center line of the upright posts, the magnetizing performance is optimal, the problem that the magnetizing performance is influenced because the centre of the mould is positioned at the gap between the two upright posts on the two sides in the traditional four-upright-post structure is solved, and the product forming performance is better.

(2) According to the strip-shaped hydraulic machine, the integral die table surface is changed into a strip-shaped structure, a large high-precision sharp machine tool is not required for die processing, the die cavity is greatly reduced, the forming consistency and the forming qualification rate of products are greatly improved, a forklift is not required for replacing the die due to the fact that the weight of the die is greatly reduced, time, labor and production fields are saved, the manufacturing cost of equipment is greatly reduced, and the use flexibility is greatly increased; aiming at the demands of various varieties in the market which change constantly, the adjustment of the product and the change of the production varieties are particularly flexible and quick, the waste of raw materials when the mold is changed can be reduced, and meanwhile, the labor and the manufacturing cost of the mold are also saved.

Drawings

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

FIG. 2 is a schematic side view of the bar press of the present invention.

The reference numerals in the schematic drawings illustrate:

101. feeding an oil cylinder; 102. a column lock nut; 103. an upper working table; 104. a column; 105. a slider; 106. a coil iron core; 107. a coil; 108. an upper die; 109. a lower die; 110. a lower punch; 111. a lower die side frame; 112. a lower punch fixing plate; 113. a lower die guide post; 114. a lower oil cylinder; 115. a lower working table; 116. injecting a material stirring barrel; 117. a material injection cylinder; 118. a material sealing valve; 119. a slurry filter.

Detailed Description

For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The present invention will be further described with reference to the following examples.

Example 1

As shown in fig. 1 and 2, the wet-forming bar-type hydraulic press for magnetic materials with a lower top and a floating type in this embodiment includes an upper table 103 and a lower table 115 which are vertically matched, two sides of the upper table 103 and the lower table 115 are connected by two columns 104, an upper die 108 is disposed below the upper table 103, a lower die 109 is correspondingly disposed above the lower table 115, and the central connecting line of the two columns 104 is respectively consistent with the central connecting line of the die cavity on the upper die 108 and the central connecting line of the lower die 109.

Specifically, as shown in fig. 1, two vertical columns 104 are respectively disposed on the left and right sides between the upper workbench 103 and the lower workbench 115, the top end of each vertical column 104 is respectively locked on the upper portion of the upper workbench 103 through a vertical column lock nut 102, an upper oil cylinder 101 is further correspondingly mounted on the upper workbench 103, the bottom end of the upper oil cylinder 101 is connected with a slider 105, the slider 105 is located below the upper workbench 103, the slider 105 is slidably connected with the vertical columns 104, a magnetization and demagnetization device is mounted at the lower end of the slider 105, an upper die 108 is mounted at the lower end of the magnetization and demagnetization device, and the upper oil cylinder 101 is used for driving the slider 105 and the upper die 108 to reciprocate up and down.

The magnetizing and demagnetizing device in this embodiment includes a solenoid core 106 and a solenoid 107, the upper end of the solenoid core 106 is connected to the slider 105, the lower end of the solenoid core 106 is connected to the upper die 108, and the solenoid 107 surrounds the solenoid core 106. The central connecting line of the two upright posts 104 is also consistent with the central connecting line of the magnetizing and demagnetizing device.

Correspondingly, in this embodiment, a lower die side frame 111 is arranged on a lower table 115, a lower die 109 is arranged on the lower die side frame 111, a lower punch fixing plate 112 is correspondingly arranged below the lower die 109, a lower punch 110 correspondingly matched with a die cavity of an upper die 108 is arranged on the lower punch fixing plate 112, the lower end of the lower punch fixing plate 112 is connected with the lower table 115 through a lower die guide post 113, and a lower oil cylinder 114 connected with the lower punch fixing plate 112 is further arranged at the bottom of the lower table 115 to drive the lower punch fixing plate 112 and the lower punch 110 to reciprocate up and down, so that molding is realized during die assembly.

As shown in fig. 2, the feeding assembly in this embodiment includes an injecting and stirring barrel 116 and an injecting cylinder 117, a stirrer is disposed in the injecting and stirring barrel 116, a slurry filter 119 is disposed at the end of the injecting cylinder 117, and is connected to the injecting position through a material sealing valve 118, and the stirred and filtered slurry is sent into a mold for hydraulic forming.

It should be noted that, unlike the forming hydraulic press with four-column structure around the working table commonly used in the industry at present, the present embodiment adjusts the structure of the whole hydraulic press, and only adopts the form of two columns 104 on both sides, and keeps the central connecting line of the two columns 104 consistent with the central connecting line position of the mold cavity on the upper mold 108, consistent with the central connecting line position of the lower mold 109, and consistent with the central connecting line position of the magnetizing and demagnetizing device. The top surfaces of the upper workbench 103, the lower workbench 115, the upper die 108 and the lower die 109 are correspondingly adjusted to be strip-shaped, particularly, the upper die 108 is only provided with a single-row or double-row die cavity, the central connecting line direction of the two upright posts 104 is used as a row direction to extend, and when the die cavity is in a single row, the central connecting lines of a plurality of die cavities in the single row are correspondingly consistent with the central connecting line positions of the two upright posts 104; when the mold cavities are arranged in two rows, the central line between the two rows corresponds to and is consistent with the central connecting line of the two upright posts 104. The width dimension of the single-sided column 104 is smaller than the width dimensions of the upper die 108 and the lower die 109, and the column 104 is a cylindrical column.

The width is only one fourth of traditional mould around the mould after this embodiment adjustment, mould processing need not to adopt large-scale high-accuracy point lathe, the die cavity reduces by a wide margin, the shaping uniformity and the shaping qualification rate of its product improve by a wide margin, because mould weight alleviates greatly, so change the mould and need not to use fork truck, the time is saved, manual work and production place, traditional large-scale magnetic material shaping hydraulic press is replaced by the small-size bar type shaping hydraulic press of this embodiment, equipment manufacturing cost reduces by a wide margin, its flexibility greatly increased that uses, bar type hydraulic press is because mould shaping chamber is few, to the demand in the various varieties of market that change constantly, the adjustment and the production variety change of its product, it is particularly nimble and quick, and can reduce the raw materials waste when changing the mould, artifical and mould manufacturing cost have also been saved simultaneously.

The embodiment reduces the number of rows of the die cavities by adjusting the number of the stand columns 104 and corresponding to the shape of the working table, can obviously improve the forming precision and the size consistency of products, solves the problems that the die surface of the traditional four-stand-column hydraulic press is large, the manufacturing cost is high, the multi-cavity size is difficult to guarantee and the like, and is convenient for replacing the die and daily maintenance. The design of the left upright post and the right upright post 104 is adopted, the special position matching is strictly limited, the solenoid magnetizing loop of the hydraulic machine just enables the center line of the die to be flush with the center line of the upright posts 104, the magnetizing performance reaches the best, and the problem that the magnetizing performance is influenced because the center of the die is positioned in the gap between the two upright posts on the two sides in the traditional four-upright post structure is solved. The structure form of the traditional hydraulic press is subversively reformed, so that the product forming performance and the size precision are higher, the production adaptability is more flexible, the cost performance is higher, and a novel intelligent production prospect of the magnetic material is created.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.