CN214726696U - Super-tonnage double-beam four-column hydraulic machine - Google Patents
Super-tonnage double-beam four-column hydraulic machine Download PDFInfo
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- CN214726696U CN214726696U CN202120329867.7U CN202120329867U CN214726696U CN 214726696 U CN214726696 U CN 214726696U CN 202120329867 U CN202120329867 U CN 202120329867U CN 214726696 U CN214726696 U CN 214726696U
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Abstract
The utility model discloses a four post hydraulic presses of super large tonnage twin-beam, replace the intermediate transverse beam from taking guiding orientation device through hydraulic pressure master cylinder, alleviate the weight of equipment 1/4, reduce equipment price more than 50%, relate to hydraulic press technical field, including hydraulic pressure master cylinder, the piston rod, direction holding ring and upper punch guiding orientation board, the direction holding ring is fixed in hydraulic pressure master cylinder, and direction holding ring cover is in the outside of piston rod, upper punch guiding orientation board is fixed in the outer end of piston rod, upper punch guiding orientation board is located the inner ring of direction holding ring, and the edge of upper punch guiding orientation board is sealed with the inner ring wall of direction holding ring. Dust in the environment where the hydraulic press is located cannot enter the sealed guide positioning ring, so that the dust cannot be attached to the piston rod and cannot form oil stain with grease, the problem of abrasion of the dust and the oil stain to the piston rod and the sealing ring can be effectively solved, the service lives of the piston rod and the sealing ring are greatly prolonged, and the service life of the hydraulic press is further prolonged.
Description
Technical Field
The utility model relates to a hydraulic press technical field, concretely relates to super large tonnage double beam four-column hydraulic press.
Background
A hydraulic machine is a machine that uses liquid as a working medium to transfer energy to implement various processes. The hydraulic press can be used for forging and forming, straightening, press fitting, packing, pressing blocks, pressing plates and the like. Compared with the traditional stamping process, the hydroforming process has obvious technical and economic advantages in the aspects of reducing weight, reducing the number of parts and dies, improving rigidity and strength, reducing production cost and the like, and is increasingly applied in the industrial field.
The hydraulic press drives the hydraulic actuating mechanism to work by the hydraulic cylinder. However, dust exists in the use occasions of the hydraulic press, lubricating grease exists in the position of the piston rod, and the piston rod and the sealing ring are seriously abraded after the dust and the grease are combined, so that the service life of the hydraulic press is greatly shortened. Moreover, the existing large-tonnage hydraulic machine is quite stiff, slow in action in the idle load stage and not suitable for actual working requirements.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a four post hydraulic presses of super large tonnage double beam to solve foretell technical problem.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a four post hydraulic presses of super large tonnage twin-beam, includes hydraulic pressure master cylinder, piston rod, guiding orientation ring sum upper punch guiding orientation board, the guiding orientation ring is fixed in the hydraulic pressure master cylinder, just guiding orientation ring cover in the outside of piston rod, upper punch guiding orientation board is fixed in the outer end of piston rod, upper punch guiding orientation board is located in the inner ring of guiding orientation ring, just the edge of upper punch guiding orientation board with guiding orientation ring's interior rampart is sealed.
Further, the edge of the upper punch guide positioning plate is tightly matched with the sliding key of the guide positioning ring to prevent the piston rod from rotating.
Furthermore, the super-tonnage double-beam four-column hydraulic press further comprises an upper cross beam, a lower cross beam and four stand columns, wherein the upper cross beam and the lower cross beam are in a rectangular plate shape and are horizontally arranged, the upper cross beam and the lower cross beam serve as two bearing surfaces of the hydraulic press to meet the pressure generated by the hydraulic press, the four stand columns are vertically fixed between the upper cross beam and the lower cross beam and are used for fastening and penetrating through the upper cross beam and the lower cross beam to meet the tension generated by the hydraulic main cylinder, the four stand columns are respectively fixed at four vertex angles of the cross beam, the hydraulic main cylinder is fixed on the upper cross beam, and the piston rod is arranged downwards.
Furthermore, the super-tonnage double-beam four-column hydraulic press further comprises two movable mould boxes, and the two movable mould boxes are movably arranged on the working table surface of the lower cross beam.
Furthermore, the super-tonnage double-beam four-column hydraulic press further comprises two ejection cylinders, wherein the two ejection cylinders are arranged on the lower side of the lower cross beam at intervals, and each ejection rod of each ejection cylinder is arranged upwards.
The utility model has the advantages of as follows:
the guide positioning plate of the upper punch seals the guide positioning ring, the outer end of the piston rod is located in the sealed guide positioning ring, dust in the environment where the hydraulic machine is located cannot enter the sealed guide positioning ring, and therefore the dust cannot be attached to the piston rod and cannot form oil stain with grease, the abrasion problem of the dust and the oil stain to the piston rod and the sealing ring can be effectively avoided, the service life of the piston rod and the sealing ring is greatly prolonged, and the service life of the hydraulic machine is further prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the range which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
FIG. 1 is a front view of a super-tonnage dual-beam four-column hydraulic machine according to an embodiment of the present invention;
FIG. 2 is a front view of an alternative embodiment of a super tonnage dual beam four column hydraulic press according to the present invention;
fig. 3 is a left side view of fig. 2.
In the figure: 1-upper beam, 2-lower beam, 3-upright column, 4-hydraulic main cylinder, 5-piston rod, 6-guiding positioning ring, 7-upper punch guiding positioning plate, 8-quick cylinder, 9-sizing block, 10-movable mould box and 11-ejection cylinder.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.
As shown in figure 1, the super-tonnage double-beam four-column hydraulic machine comprises an upper cross beam 1, a lower cross beam 2, four upright posts 3, a hydraulic main cylinder 4, a piston rod 5, a guide positioning ring 6 and an upper punch guide positioning plate 7. Entablature 1 and bottom end rail 2 are rectangular plate shape and keep flat, four vertical 3 columns are fixed in between entablature 1 and the bottom end rail 2, and four vertical 3 columns are fixed in four apex angles of crossbeam respectively, hydraulic pressure main cylinder 4 is fixed in entablature 1, piston rod 5 sets up down, guide positioning ring 6 is fixed in hydraulic pressure main cylinder 4, and guide positioning ring 6 overlaps in the outside of piston rod 5, upper punch guide positioning plate 7 is fixed in the outer end of piston rod 5, upper punch guide positioning plate 7 is located the inner ring of guide positioning ring 6, and the edge of upper punch guide positioning plate 7 is sealed with the inner ring wall of guide positioning ring 6. The hydraulic master cylinder 4 and the piston rod 5 adopt a common matching mode.
The upper punch guide positioning plate 7 seals the guide positioning ring 6, the outer end of the piston rod 5 is located in the sealed guide positioning ring 6, dust in the environment where the hydraulic press is located cannot enter the sealed guide positioning ring 6, therefore, the dust cannot be attached to the piston rod 5 and cannot form oil stain with grease, the dust and the oil stain can be effectively avoided, the abrasion problem of the piston rod 5 and the sealing ring is solved, the service life of the piston rod 5 and the sealing ring is greatly prolonged, and the service life of the hydraulic press is further prolonged.
In an alternative embodiment, as shown in fig. 2 and 3, the super-tonnage double-beam four-column hydraulic machine further comprises four fast cylinders 8, the four fast cylinders 8 are distributed in a rectangular shape, and the hydraulic main cylinder 4 is connected with the upper cross beam 1 through the fast cylinders 8. In the idle stroke, the hydraulic main cylinder 4 can be lifted or lowered through the four quick cylinders 8; when entering the load stroke, the hydraulic main cylinder 4 is lowered by the quick cylinder 8 at the moment, a certain distance is reserved between the hydraulic main cylinder 4 and the upper cross beam 1, if the hydraulic main cylinder 8 directly enters the load stroke, the quick cylinder 8 is damaged, at the moment, two movable sizing blocks 9 are arranged between the hydraulic main cylinder 4 and the upper cross beam 1, and the height design of the sizing blocks 9 meets the no-load stroke so as to protect the quick cylinder 8 by using the sizing blocks 9. In this embodiment, the super-tonnage double-beam four-column hydraulic machine further comprises two movable mould boxes 10, and the two movable mould boxes 10 are movably arranged on the upper side of the lower cross beam 2. The super-tonnage double-beam four-column hydraulic press further comprises two ejection cylinders 11, the two ejection cylinders 11 are arranged on the lower side of the lower cross beam 2 at intervals, and an ejection rod of each ejection cylinder 11 is arranged upwards.
The super-tonnage double-beam four-column hydraulic machine provided by the embodiment is improved into a large-tonnage (more than 2000 tons) hydraulic machine, a small quick cylinder is adopted to drive a hydraulic main cylinder to lift or lower, quick lifting prepressing is realized, the stroke of a piston rod of the hydraulic main cylinder is shortened, and the piston rod of the hydraulic main cylinder can quickly obtain the maximum pressure by the minimum stroke; when the hydraulic main cylinder rapidly falls to a pre-pressing position, two sizing blocks are used between the hydraulic main cylinder and the upper cross beam to support and open under the driving of the small oil cylinder, the sizing blocks are closed and filled when the hydraulic main cylinder works, the sizing blocks are driven to open after the hydraulic main cylinder works, and the quick cylinder lifts the main cylinder to the highest position.
In general, the stroke of the hydraulic master cylinder is very small (100 mm), and the displacement superposition of the piston rod of the hydraulic master cylinder is completed by a quick cylinder. Since the hydraulic master cylinder is formed small, an auxiliary reservoir tank is not required. At present, most of the devices are of three-beam and four-beam structures, and the two-beam structure is adopted in the embodiment, so that the equipment price can be reduced by more than 50%.
The cylinder is additionally arranged on the flange of the hydraulic main cylinder, more than two key grooves are arranged in the cylinder, and sliding keys with equal length are configured to be matched with the key grooves additionally arranged on the top of the piston, so that forced vertical operation of the hydraulic main cylinder during high-pressure work is guaranteed, rotation of the piston during operation can be effectively prevented, bias abrasion of a sealing ring can be reduced, dust pollution to a piston rod can be prevented, and the service life is prolonged.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (5)
1. The super-tonnage double-beam four-column hydraulic machine comprises a hydraulic main cylinder and a piston rod and is characterized by further comprising a guide positioning ring and an upper punch guide positioning plate, wherein the guide positioning ring is fixed in the hydraulic main cylinder and sleeved on the outer side of the piston rod, the upper punch guide positioning plate is fixed at the outer end of the piston rod and located in an inner ring of the guide positioning ring, and the edge of the upper punch guide positioning plate is sealed with the inner ring wall of the guide positioning ring.
2. The super-tonnage double-beam four-column hydraulic machine as recited in claim 1, wherein the edge of the upper punch guide positioning plate is in close fit with the sliding key of the guide positioning ring.
3. The super-tonnage double-beam four-column hydraulic machine as recited in claim 1, further comprising an upper beam, a lower beam and four columns, wherein the four columns are vertically fixed between the upper beam and the lower beam, and are respectively fixed at four top corners of the beams, the hydraulic main cylinder is fixed on the upper beam, and the piston rod is arranged downward.
4. The super-tonnage double-beam four-column hydraulic machine as recited in claim 3, further comprising two movable mold boxes movably disposed on the table top of the lower beam.
5. The super-tonnage double-beam four-column hydraulic machine as recited in claim 3, further comprising two knockout cylinders, wherein the two knockout cylinders are disposed at an interval on the lower side of the lower beam, and the knockout rod of each knockout cylinder is disposed upward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120329867.7U CN214726696U (en) | 2021-02-05 | 2021-02-05 | Super-tonnage double-beam four-column hydraulic machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120329867.7U CN214726696U (en) | 2021-02-05 | 2021-02-05 | Super-tonnage double-beam four-column hydraulic machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214726696U true CN214726696U (en) | 2021-11-16 |
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ID=78644293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120329867.7U Active CN214726696U (en) | 2021-02-05 | 2021-02-05 | Super-tonnage double-beam four-column hydraulic machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214726696U (en) |
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2021
- 2021-02-05 CN CN202120329867.7U patent/CN214726696U/en active Active
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