CN215357017U

CN215357017U - Improved large-scale hydraulic machine

Info

Publication number: CN215357017U
Application number: CN202121832752.6U
Authority: CN
Inventors: 黄东方; 于志强
Original assignee: Shanghai Shining Wind Power Equipment Co ltd
Current assignee: Shanghai Shining Wind Power Equipment Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2021-12-31
Anticipated expiration: 2031-08-06

Abstract

The utility model discloses an improved large-scale hydraulic machine which comprises a hydraulic machine body, wherein a hydraulic oil cylinder is in transmission connection with the upper part of the hydraulic machine body, a steel plate is sleeved outside the hydraulic oil cylinder, and a workbench is fixedly arranged at the top of the hydraulic machine body. According to the utility model, through the arrangement of the first correction die, the second correction die and the four protection plates, the die cavity formed by connecting the first correction die and the second correction die is matched with the workpiece, so that the phenomena of deviation and expansion can be prevented during processing, a limiting and clamping effect is realized, the workpiece can be corrected, the working efficiency and the production efficiency are improved, a protection space is formed by the four protection plates, the phenomenon that the scraps are splashed during processing to hurt the working personnel can be effectively avoided, and a safety protection effect can be well realized.

Description

Improved large-scale hydraulic machine

Technical Field

The utility model relates to the technical field of hydraulic machines, in particular to an improved large-scale hydraulic machine.

Background

The hydraulic press is a machine which uses liquid as working medium and is made up according to Pascal principle for transferring energy to implement various processes, and is generally composed of three portions of main machine, power system and hydraulic control system, and is a machine for processing metal, plastics, rubber, wood and powder by utilizing hydrostatic pressure, and is commonly used in pressing process and press-forming process, such as forging and pressing, stamping, welding, straightening, bending, flanging, thin-plate drawing, powder metallurgy and press-mounting, etc..

The existing hydraulic machine can easily cause the workpiece to deform and expand due to low fitting degree in the welding process, and the existing hydraulic machine is difficult to correct the workpiece, the existing common method is that the workpiece is simply fixed by using a tool during welding, the loosening phenomenon easily occurs during the fixing, a large gap can exist, the larger the gap is, the workpiece is easy to expand and deform during processing, the welded tool is removed after being annealed with a product during demolding, the strength of the tool can be lost after annealing for several times, the demolding is complex during the removing, a large amount of stress can be remained in the product, the excessive deformation condition can be caused during processing, the existing hydraulic machine is lack of a safety protection device, the worker is easily injured during the processing, and the potential safety hazard is large.

Therefore, there is a need for an improved large hydraulic machine that solves the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an improved large hydraulic machine, which can easily cause the deformation and expansion of a workpiece due to low bonding degree in the welding process of the existing hydraulic machine, is difficult to correct the workpiece, and is generally fixed by simple tooling in the welding process at present, the fixation is easy to loosen, a larger gap exists, the larger the gap is, the workpiece is easy to expand and deform in the processing process, and the welded tooling is dismantled after being annealed with a product in the demoulding process, so that the strength of the tooling is easily lost after being annealed for several times, the dismantling and demoulding process is complicated, a large amount of stress still remains in the product, and the condition of overlarge deformation can be caused in the processing process, and the existing hydraulic machine lacks a safety protection device, so that workers are easily injured in the processing process, and have larger safety hidden danger, to address the above-mentioned deficiencies in the art.

In order to achieve the above purpose, the utility model provides the following technical scheme: an improved large-scale hydraulic machine comprises a hydraulic machine body, wherein a hydraulic oil cylinder is connected above the hydraulic machine body in a transmission manner, a steel plate is sleeved outside the hydraulic oil cylinder, a workbench is fixedly arranged at the top of the hydraulic machine body, side protection plates are fixedly arranged on two sides of the top of the workbench, a front protection plate is connected at the front end of the workbench in a sliding manner, a first correction die and a second correction die are respectively connected on two sides of the top of the workbench in a sliding manner, through holes are respectively formed in the first correction die and the second correction die, ejector rods are connected in the through holes in a sliding manner, springs are wound outside the ejector rods, a knob is installed outside the second correction die, the output end of the knob is in transmission connection with a first conical gear, two sides of the first conical gear are respectively engaged with a second conical gear, and the shaft center of the second conical gear is in transmission connection with a screw rod, and the outside threaded connection of screw rod has the location axle, and the outside both ends of location axle all are fixed and are provided with the supporting shoe.

Preferably, the sliding blocks are fixedly arranged at two ends of the outer portion of the front protection plate, the sliding grooves are formed in the hydraulic press body, and the sliding blocks are matched with the sliding grooves.

Preferably, the surface of the steel plate is provided with a clamping groove, and the clamping groove is connected with the front protection plate in a clamping manner.

Preferably, the surfaces of the first correction die and the second correction die are both provided with correction die cavities, and the two correction die cavities have the same shape and size and are matched with each other.

Preferably, a positioning block is fixedly arranged outside the first correction die, a positioning hole is formed inside the positioning block, a positioning groove is formed in the surface of the second correction die, a connecting hole is formed in the surface of the positioning groove, the positioning block is matched with the positioning groove, and the connecting hole and the positioning hole are matched with the positioning shaft.

Preferably, the first bevel gear, the second bevel gear, the screw, the positioning shaft and the supporting block jointly form positioning assemblies, the number of the positioning assemblies is two, and the two positioning assemblies are symmetrically distributed around the second correction die.

In the technical scheme, the utility model provides the following technical effects and advantages:

through the arrangement of the first correction die and the second correction die, the first correction die and the second correction die are in favor of being connected with each other under the matching use of the positioning assembly, the shape of the formed die cavity can be perfectly matched with the workpiece, so that the workpiece is attached to the die in the processing process, the phenomenon that the workpiece deviates and expands in the processing process is prevented, the workpiece is in favor of being corrected, the processing of the workpiece can better meet the production standard, and the working efficiency and the production efficiency are improved;

2. through the setting of preceding guard plate and side guard plate, make four guard plates form a guard space each other, be favorable to the work piece in processing, the effectual piece of having avoided adding man-hour splashes and makes the injured phenomenon of staff, the effect of a safety protection that plays that can be fine.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1 is an overall perspective view of the present invention;

FIG. 2 is a schematic view of the overall front view internal structure of the present invention;

FIG. 3 is a perspective view of a first calibration mold of the present invention;

FIG. 4 is a perspective view of a second correction die of the present invention;

FIG. 5 is a front view of the first and second molds;

FIG. 6 is a schematic diagram of a side view of the connection of the first and second calibration molds according to the present invention;

FIG. 7 is an enlarged view of portion A of FIG. 6 according to the present invention.

Description of reference numerals:

1. a hydraulic press body; 2. a hydraulic cylinder; 3. a steel plate; 4. a work table; 5. a side guard plate; 6. a front guard plate; 7. a slider; 8. a chute; 9. a card slot; 10. a first correction die; 11. a second correction mode; 12. correcting the die cavity; 13. positioning blocks; 14. positioning holes; 15. a through hole; 16. positioning a groove; 17. connecting holes; 18. a knob; 19. a first bevel gear; 20. a second bevel gear; 21. a screw; 22. positioning the shaft; 23. a support block; 24. a top rod; 25. a spring.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

The utility model provides an improved large-scale hydraulic machine as shown in figures 1-7, which comprises a hydraulic machine body 1, wherein a hydraulic oil cylinder 2 is connected above the hydraulic machine body 1 in a transmission manner, a steel plate 3 is sleeved outside the hydraulic oil cylinder 2, a workbench 4 is fixedly arranged at the top of the hydraulic machine body 1, side protection plates 5 are fixedly arranged on two sides of the top of the workbench 4, the front end of the workbench 4 is connected with a front protection plate 6 in a sliding manner, a first correction die 10 and a second correction die 11 are respectively connected on two sides of the top of the workbench 4 in a sliding manner, through holes 15 are respectively arranged inside the first correction die 10 and the second correction die 11, an ejector rod 24 is connected inside the through holes 15 in a sliding manner, a spring 25 is wound outside the ejector rod 24, a knob 18 is installed outside the second correction die 11, and the output end of the knob 18 is connected with a first bevel gear 19 in a transmission manner, and both sides of the first bevel gear 19 are engaged with second bevel gears 20, the shaft center of the second bevel gears 20 is in transmission connection with a screw 21, the external threads of the screw 21 are connected with a positioning shaft 22, and both external ends of the positioning shaft 22 are fixedly provided with supporting blocks 23.

Further, in the above technical scheme, the outside both ends of preceding guard plate 6 are all fixed and are provided with slider 7, spout 8 has been seted up to the inside of hydraulic press body 1, slider 7 and spout 8 phase-match use through the cooperation of slider 7 with spout 8 to guard plate 6 goes up and down before the convenience, can conveniently accomodate preceding guard plate 6 to equipment in, and preceding guard plate 6 through the liftable is favorable to opening it and closed, thereby is convenient for not blockked at the in-process of drawing a mould and preventing the mould.

Further, in the above technical scheme, draw-in groove 9 has been seted up on the surface of steel sheet 3, draw-in groove 9 is connected for the block with preceding guard plate 6's connected mode, through draw-in groove 9 and preceding guard plate 6 be connected to guard plate 6 can with steel sheet 3 interconnect when drawing down the top before making things convenient for, thereby play 6 fixed effects to preceding guard plate, be favorable to making it and side to form a guard space between the guard plate 5, the effectual piece that blocks in the processing splashes everywhere and impairs to the staff, is favorable to improving safety protection nature.

Furthermore, in the above technical solution, the surfaces of the first correction die 10 and the second correction die 11 are both provided with the correction die cavities 12, the two correction die cavities 12 have the same shape and size and are matched with each other, a model formed by the correction die cavities 12 is beneficial to completely matching the shape of the correction die cavities with the workpiece, so that the correction die cavities are connected more closely, and the completely matched model is beneficial to preventing the workpiece from deforming during processing, so as to improve the stability of the workpiece processing.

Further, in the above technical solution, the positioning block 13 is fixedly disposed outside the first correction die 10, the positioning hole 14 is disposed inside the positioning block 13, the positioning groove 16 is disposed on the surface of the second correction die 11, the connecting hole 17 is disposed on the surface of the positioning groove 16, the positioning block 13 is matched with the positioning groove 16, the connecting hole 17, the positioning hole 14 are matched with the positioning shaft 22, and the first correction die 10 and the second correction die 11 are primarily connected through the matching of the positioning block 13 and the positioning groove 16, and through the arrangement of the connecting hole 17, the positioning hole 14 and the positioning shaft 22, the three are mutually matched, so that the positioning shaft 22 can be conveniently connected through the connecting hole 17, the positioning hole 14 and the connecting clamping portion, and thus the fixing is performed.

Further, in the above technical scheme, first bevel gear 19, second bevel gear 20, screw rod 21, location axle 22 and supporting shoe 23 constitute the locating component jointly, the quantity of locating component sets up to two sets of, two sets of locating component is about second correction mould 11 symmetric distribution, does benefit to further carrying out firm the connection with first correction mould 10 and second correction mould 11 through being provided with of two sets of locating components to improve the steadiness of both connections, and be favorable to preventing the not hard up phenomenon of mould appearance when processing.

This practical theory of operation:

referring to the attached drawings 3-7 of the specification, firstly, a workpiece is placed in a correction die cavity 12 formed in a first correction die 10, then two automatic telescopic rods are started simultaneously to move the first correction die 10 and a second correction die 11 until the first correction die 10 and the second correction die 11 are close to each other and are in close fit connection, at this time, a positioning block 13 on the first correction die 10 is clamped with a positioning groove 16 on the second correction die 11, the positioning hole 14 and a connecting hole 17 are positioned on the same central axis, then, a knob 18 is rotated to drive a first bevel gear 19 to rotate, the first bevel gear 19 rotates to drive a second bevel gear 20 with two sides in meshed connection to rotate, the second bevel gear 20 rotates to drive a screw rod 21 to rotate, the screw rod 21 rotates to drive a positioning shaft 22 in threaded connection to move until the positioning shaft 22 passes through the connecting hole 17 and is clamped in the positioning hole 14, therefore, the clamping connection position of the positioning block 13 and the positioning groove 16 is conveniently fixed, the first correction die 10 and the second correction die 11 are further connected and fixed, the connection is firmer, the looseness phenomenon is not easy to occur in the processing process, then when the workpiece is required to be taken after being processed, the workpiece is clamped in the correction die cavity 12, the ejector rod 24 is pushed to slide in the through hole 15, the ejector rod 21 is pressed on the spring 25 to compress the spring, the ejector rod 24 can penetrate through the through hole 15 to be abutted against the workpiece under the pushing action force, so that the workpiece is ejected out of the correction die cavity 12, the quick demoulding effect is realized, the ejector rod 24 is loosened to directly rebound and reset under the matching use of the spring 25, and the rapid demoulding of the workpiece is facilitated through the ejector rod 24;

referring to the attached drawings 1-2 of the specification, start hydraulic cylinder 2 and go up and down to process the work piece, before processing, can upwards stimulate front guard plate 6, make front guard plate 6 move inside the below of hydraulic press body 1 through the slider 7 at both ends, then with front guard plate 6's upper end avris and the mutual joint of draw-in groove 9, thereby be convenient for be connected front guard plate 6 with steel sheet 3, thus, form a guard space through side guard plate 5 with both sides and two guard plates around with, thereby can effectually block clastic splashing in the in-process of processing, avoided the staff to receive the injury, and safety protection performance is improved.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.

Claims

1. An improved large hydraulic machine comprises a hydraulic machine body (1), and is characterized in that: the hydraulic press comprises a hydraulic press body (1), a hydraulic oil cylinder (2) is connected above the hydraulic press body (1) in a transmission mode, a steel plate (3) is sleeved outside the hydraulic oil cylinder (2), a workbench (4) is fixedly arranged at the top of the hydraulic press body (1), side protection plates (5) are fixedly arranged on two sides of the top of the workbench (4), a front protection plate (6) is connected to the front end of the workbench (4) in a sliding mode, a first correction die (10) and a second correction die (11) are respectively connected to two sides of the top of the workbench (4) in a sliding mode, through holes (15) are respectively formed in the first correction die (10) and the second correction die (11), ejector rods (24) are connected to the inner portions of the through holes (15) in a sliding mode, springs (25) are wound on the outer portions of the ejector rods (24), knobs (18) are installed on the outer portions of the second correction die (11), and output ends of the knobs (18) are connected with first bevel gears (19) in a transmission mode, and both sides of the first conical gear (19) are respectively connected with a second conical gear (20) in a meshing manner, the shaft center of the second conical gear (20) is connected with a screw rod (21) in a transmission manner, the outer part of the screw rod (21) is connected with a positioning shaft (22) in a threaded manner, and both ends of the outer part of the positioning shaft (22) are respectively and fixedly provided with a supporting block (23).

2. An improved large hydraulic machine according to claim 1, wherein: the front protection plate is characterized in that sliding blocks (7) are fixedly arranged at two ends of the outer portion of the front protection plate (6), sliding grooves (8) are formed in the hydraulic machine body (1), and the sliding blocks (7) are matched with the sliding grooves (8).

3. An improved large hydraulic machine according to claim 1, wherein: the surface of the steel plate (3) is provided with a clamping groove (9), and the clamping groove (9) is connected with the front protection plate (6) in a clamping manner.

4. An improved large hydraulic machine according to claim 1, wherein: the surfaces of the first correction die (10) and the second correction die (11) are provided with correction die cavities (12), and the two correction die cavities (12) are identical in shape and size and are mutually matched.

5. An improved large hydraulic machine according to claim 1, wherein: the outer portion of the first correction die (10) is fixedly provided with a positioning block (13), a positioning hole (14) is formed in the positioning block (13), a positioning groove (16) is formed in the surface of the second correction die (11), a connecting hole (17) is formed in the surface of the positioning groove (16), the positioning block (13) is matched with the positioning groove (16), and the connecting hole (17) and the positioning hole (14) are matched with the positioning shaft (22).

6. An improved large hydraulic machine according to claim 1, wherein: the first bevel gear (19), the second bevel gear (20), the screw (21), the positioning shaft (22) and the supporting block (23) jointly form positioning components, the number of the positioning components is two, and the two groups of the positioning components are symmetrically distributed relative to the second correcting die (11).