A special four-column hydraulic press

Abstract

The present invention belongs to the technical field of hydraulic presses, and specifically discloses a special four-column hydraulic press, including a base, support slides are provided at the four corners of the upper wall of the base, a top seat is provided at the upper end of the support slide, a hydraulic module is provided on the top seat, a hydraulic plate is slidably provided on the support slide, the hydraulic module controls the lifting of the hydraulic plate, a main linkage assembly is provided on the outer wall of the base, a reverse transmission assembly is provided on the outer wall of the base, and automatic cleaning assemblies are symmetrically provided on both side walls of the base. The present invention automatically forms an inclined airflow through the up and down double strokes of the four-column hydraulic press, the airflow blows down and collects the fallen objects on the table, and then cleans the blown-down fallen objects, automatically realizing the cleaning of the fallen objects on the table, and when forging and stamping parts, the movable baffles on both sides automatically rise, and form an airflow toward one side of the movable baffle to absorb the floating dust generated during the forging and stamping process.

Description

Technical Field

[0001] The invention belongs to the technical field of hydraulic presses, and in particular relates to a special four-column hydraulic press. Background Art

[0002] The four-column hydraulic press is a mechanical equipment that uses the static pressure of hydraulic oil delivered by an oil pump to process metal, plastic, rubber, wood, powder and other products. The four-column hydraulic press is also known as an oil press. There are many types: according to the type of liquid that transmits pressure, there are two major categories: oil press and water press. The total pressure generated by the water press is relatively large and is often used for forging and stamping.

[0003] When the four-column hydraulic press is forging and stamping parts, objects will fall off the parts and accumulate on the table of the four-column hydraulic press. Generally, after one side of the forging and stamping is completed, the parts are first taken down, the table is cleaned, and then the parts are replaced for forging and stamping the next side. This process is cumbersome and wastes a lot of time and manpower. During the forging and stamping process of the parts, the objects that fall off the parts may cause injuries to the workers, and at the same time, floating dust will be generated, causing pollution to the working environment.

[0004] Therefore, a special four-column hydraulic press is needed to solve the above problems. Summary of the invention

[0005] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a special four-column hydraulic press, which automatically forms an inclined airflow through the up and down double strokes of the four-column hydraulic press. The airflow blows down and collects the fallen objects on the table top, and then cleans up the fallen objects, thereby automatically cleaning the fallen objects on the table top. When forging and stamping parts, the movable baffles on both sides automatically rise and form an airflow toward one side of the movable baffle to absorb the floating dust generated during the forging and stamping process.

[0006] The technical solution adopted by the present invention is as follows: The present invention proposes a special four-column hydraulic press, including a base, support slide columns are provided at the four corners of the upper wall of the base, a top seat is provided at the upper end of the support slide column, a hydraulic module is provided on the top seat, a hydraulic plate is slidably provided on the support slide column, and the hydraulic module controls the lifting and lowering of the hydraulic plate, a main linkage component is provided on the outer wall of the base, a reverse transmission component is provided on the outer wall of the base, and automatic cleaning components are symmetrically provided on both side walls of the base, one of the automatic cleaning components is connected to the main linkage component, and the other automatic cleaning component is connected to the main linkage component through a reverse transmission component, the outer wall of the base is symmetrically provided with negative pressure shielding components, and the outer wall of the base is provided with a gas generating component, and the gas generating component is connected to the negative pressure shielding component.

[0007] Furthermore, the main linkage assembly includes a supporting boss, a lifting rod, a transmission rack, a transmission gear, a driving shaft and a gear frame, the supporting boss is arranged on a side wall of one side of the hydraulic plate, the upper end of the lifting rod is arranged on a lower wall of the supporting boss, the transmission rack is arranged on the outer side wall of the lifting rod, the gear frame is arranged on the upper part of the outer side wall of the base, the driving shaft is penetrated and arranged on the gear frame, the transmission gear is arranged on the driving shaft, the transmission gear is arranged between the gear frames, and the transmission gear is meshed with the transmission rack.

[0008] Furthermore, the automatic cleaning component includes a support strip, an inner support frame, an outer support frame, a transmission rod, a winding baffle, a pulley frame, a guide pulley, a winding roller, a pull rope, a steering pulley and a push block, the support strips are arranged in an array on the upper wall of the base along the direction of the edge of the base, the outer support frame is symmetrically arranged on the outer side wall of the base, the inner support frame is symmetrically arranged on the outer side wall of the base, the inner support frame is arranged between the outer support frame, the transmission rod is symmetrically arranged on the outer support frame and the inner support frame, the winding roller is arranged at the outer end of the transmission rod, the winding baffle array is arranged on the winding roller, the steering pulley array is arranged on the side wall of the base, and the steering pulley is connected to the support The intervals between the slats correspond one to one, and the length of the steering pulley increases successively along the direction of the edge of the base. The pulley frame array is arranged on the side wall of the base aligned with the two ends of the supporting slats. The intervals between the pulley frame and the supporting slats correspond one to one, and the length of the pulley frame increases successively along the direction of the edge of the base. The guide pulley is arranged on the pulley frame, and the push block is slidably arranged between the supporting slats. One end of the pull rope is arranged on the winding roller between the winding baffles, and the other ends of the two symmetrical pull ropes are respectively arranged on the two end surfaces of the push block. The pull rope passes around the steering pulley and the guide pulley, and each of the pulley frames is respectively aligned with between two adjacent winding baffles.

[0009] Furthermore, the reverse transmission assembly includes a gear shaft, an intermediate bevel gear, a driving bevel gear and a driven bevel gear, the driving bevel gear is arranged at one end of the driving shaft, the driven bevel gear is arranged at one end of one of the transmission rods, the gear shaft is arranged on the side wall of the base, the intermediate bevel gear is arranged on the gear shaft, the driving bevel gear is meshed with the intermediate bevel gear, and the intermediate bevel gear is meshed with the driven bevel gear.

[0010] Furthermore, the gas generating assembly includes a support plate, a gas generating box, a piston plate and a connecting rod, the support plate is arranged on the outer wall of the base, the gas generating box is arranged on the upper wall of the support plate, the piston plate is slidably arranged in the gas generating box, the upper end of the connecting rod is arranged on the lower end of the lifting rod, the lower end of the connecting rod is arranged on the upper end surface of the piston plate, and an intake check valve is arranged at the bottom of the gas generating box.

[0011] Furthermore, the negative pressure shielding assembly includes a collecting box, a fixed body, a linkage pipe, a counterweight, a movable baffle and a sealing piston, the collecting box is symmetrically arranged on the side wall of the base, the fixed body is arranged on the side wall of the collecting box, a control chamber is provided in the fixed body, the control chamber passes through the upper end surface of the fixed body, side chambers are symmetrically provided in the fixed body, the bottom of the side chamber is connected to the outside through an air outlet one-way valve 2, the side chambers are symmetrically arranged on both sides of the control chamber, the movable baffle is slidably arranged in the control chamber, the movable baffle is a cavity structure, the movable baffle is filled with filter cotton, the counterweight is arranged on the lower wall of the control chamber, the inner side wall array of the movable baffle is provided with dust suction holes, the sealing piston is slidably arranged in the side chamber, the lower end of the linkage pipe passes through the sealing piston, the upper end of the linkage pipe is arranged on the side wall of the movable baffle, and an air intake one-way valve 2 is provided at the connection between the linkage pipe and the movable baffle.

[0012] Furthermore, both sides of the upper end of the support strip are inclined surfaces, and dust removal holes are arranged in an array on the inclined surfaces of the support strip. Connecting holes are arranged inside the support strip in a horizontal direction, and the dust removal holes are connected to the connecting holes. Vertical holes are arranged inside the support strip in a vertical direction, and the vertical holes are connected to the connecting holes.

[0013] Furthermore, an intermediate groove is provided through the middle of the base, an intermediate cavity is provided in the intermediate groove, the gas generating box is connected with the intermediate cavity through a ventilation pipe, an exhaust one-way valve is provided on the ventilation pipe, and a connecting hole array is provided on the upper wall of the base, the connecting holes pass through the upper wall of the intermediate groove, and each of the connecting holes is connected with the intermediate cavity through a connecting pipe.

[0014] Furthermore, the gas generating box is connected to the control chamber of the fixed body through a connecting pipe.

[0015] The beneficial effects achieved by the present invention using the above structure are as follows:

[0016] 1. The hydraulic module drives the hydraulic plate, the supporting boss, the lifting rod and the transmission rack to move up and down, the transmission rack drives the transmission gear to rotate forward and reversely, the transmission gear drives the two transmission rods to rotate forward and reversely, and the transmission rod drives the winding roller to rotate forward and reversely, thereby realizing the back and forth winding and release of the lifting rope, so that the push block can slide back and forth between the supporting strips, so as to clean up the fallen objects on the parts and drop them into the collection box;

[0017] 2. When the lifting rod moves downward, the lifting rod drives the connecting rod to move downward, and the connecting rod pushes the piston plate to move downward. The gas in the gas generating box is squeezed into the connecting pipe, and then enters the control cavity of the fixed body through the connecting pipe. The gas pushes the movable baffle upward. During the process of the hydraulic plate stamping the parts, the movable baffle forms a shield, and the staff can be on the outside of the movable baffle, which plays a protective role for the staff;

[0018] 3. When the movable baffle drives the linkage pipe to move upward, the linkage pipe drives the sealing piston to move upward, thereby reducing the pressure in the side chamber, and the gas in the movable baffle enters the side chamber, thereby forming an airflow moving toward the movable baffle between the movable baffles, and the floating dust generated during the forging and stamping of parts is adsorbed on the filter cotton in the movable baffle. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A three-dimensional structural schematic diagram of a special four-column hydraulic press proposed by the present invention;

[0020] Figure 2 for Figure 1 The main view;

[0021] Figure 3 for Figure 1 Right view of;

[0022] Figure 4 for Figure 2 Schematic diagram of the middle BB section;

[0023] Figure 5 for Figure 2 Schematic diagram of the middle DD section;

[0024] Figure 6 It is a schematic diagram of the three-dimensional structure of the automatic cleaning component;

[0025] Figure 7 It is a schematic diagram of the internal structure of the negative pressure shielding component;

[0026] Figure 8 is a schematic diagram of the internal structure of the gas generating component;

[0027] Fig. 9 for Figure 6 Enlarged view of part A;

[0028] Fig.10 for Figure 4 Enlarged view of part C in the middle;

[0029] Fig.11 for Figure 5 Enlarged view of part E in the middle.

[0030] Among them, 1. base, 2. support slide column, 3. top seat, 4. hydraulic module, 5. hydraulic plate, 6. main linkage assembly, 7. reverse transmission assembly, 8. automatic cleaning assembly, 9. negative pressure shielding assembly, 10. gas generating assembly, 11. supporting boss, 12. lifting rod, 13. transmission rack, 14. transmission gear, 15. driving shaft, 16. gear frame, 17. support strip plate, 18. inner support frame, 19. outer support frame, 20. transmission rod, 21. winding baffle, 22. pulley frame, 23. guide pulley, 24. winding roller, 25. pull rope, 26. steering pulley, 27. push block, 28. gear shaft, 29. intermediate bevel gear Wheel, 30. Active bevel gear, 31. Driven bevel gear, 32. Support plate, 33. Gas generating box, 34. Piston plate, 35. Connecting rod, 36. Collecting box, 37. Fixed body, 38. Linkage pipe, 39. Counterweight, 40. Movable baffle, 41. Sealing piston, 42. Control chamber, 43. Side chamber, 44. Dust suction hole, 45. Dust removal hole, 46. Connecting hole, 47. Vertical hole, 48. Middle groove, 49. Middle chamber, 50. Connecting hole, 51. Connecting pipe, 52. Inlet check valve 1, 53. Inlet check valve 2, 54. Outlet check valve 1, 55. Outlet check valve 2, 56. Ventilation pipe, 57. Connecting pipe.

[0031] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0033] In the description of the present invention, it should be understood that terms such as “upper”, “lower”, “front”, “back”, “left”, “right”, “top”, “bottom”, “inside” and “outside” indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention.

[0034] like Figure 1As shown, the present invention proposes a special four-column hydraulic press, including a base 1, support slide columns 2 are provided at the four corners of the upper wall of the base 1, a top seat 3 is provided at the upper end of the support slide column 2, a hydraulic module 4 is provided on the top seat 3, a hydraulic plate 5 is slidably provided on the support slide column 2, and the hydraulic module 4 controls the lifting and lowering of the hydraulic plate 5, a main linkage component 6 is provided on the outer wall of the base 1, a reverse transmission component 7 is provided on the outer wall of the base 1, and automatic cleaning components 8 are symmetrically provided on both side walls of the base 1, one of the automatic cleaning components 8 is connected to the main linkage component 6, and the other automatic cleaning component 8 is connected to the main linkage component 6 through the reverse transmission component 7, the outer wall of the base 1 is symmetrically provided with a negative pressure shielding component 9, and the outer wall of the base 1 is provided with a gas generating component 10, and the gas generating component 10 is connected to the negative pressure shielding component 9.

[0035] like Figure 1 , Figure 3 , Figure 5 , Figure 6 , Fig. 9 As shown, the main linkage assembly 6 includes a supporting boss 11, a lifting rod 12, a transmission rack 13, a transmission gear 14, a driving shaft 15 and a gear frame 16. The supporting boss 11 is arranged on a side wall of the hydraulic plate 5, the upper end of the lifting rod 12 is arranged on the lower wall of the supporting boss 11, the transmission rack 13 is arranged on the outer side wall of the lifting rod 12, the gear frame 16 is arranged on the upper part of the outer side wall of the base 1, the driving shaft 15 is penetrated and arranged on the gear frame 16, the transmission gear 14 is arranged on the driving shaft 15, the transmission gear 14 is arranged between the gear frames 16, and the transmission gear 14 is meshed with the transmission rack 13.

[0036] like Figure 1 , Figure 2 , Figure 4 , Figure 6As shown, the automatic cleaning assembly 8 includes a support strip 17, an inner support frame 18, an outer support frame 19, a transmission rod 20, a winding baffle 21, a pulley frame 22, a guide pulley 23, a winding roller 24, a pull rope 25, a steering pulley 26 and a push block 27. The support strip 17 is arranged in an array on the upper wall of the base 1 along the direction of the edge of the base 1, the outer support frame 19 is symmetrically arranged on the outer side wall of the base 1, the inner support frame 18 is symmetrically arranged on the outer side wall of the base 1, the inner support frame 18 is arranged between the outer support frame 19, the transmission rod 20 is symmetrically arranged on the outer support frame 19 and the inner support frame 18, the winding roller 24 is arranged at the outer end of the transmission rod 20, the winding baffle 21 is arranged in an array on the winding roller 24, the steering pulley 26 is arranged in an array on the side wall of the base 1, and the steering pulley 2 6 corresponds to the interval between the support strips 17 one by one, the length of the steering pulley 26 increases successively along the direction of the edge of the base 1, the pulley frame 22 array is arranged on the side wall of the base 1 aligned with the two ends of the support strips 17, the pulley frame 22 corresponds to the interval between the support strips 17 one by one, the length of the pulley frame 22 increases successively along the direction of the edge of the base 1, the guide pulley 23 is arranged on the pulley frame 22, the push block 27 is slidably arranged between the support strips 17, one end of the pull rope 25 is arranged on the winding roller 24 between the winding baffles 21, and the other ends of the two symmetrical pull ropes 25 are respectively arranged on the two end surfaces of the push block 27, the pull rope 25 bypasses the steering pulley 26 and the guide pulley 23, and each of the pulley frames 22 is respectively aligned with the two adjacent winding baffles 21.

[0037] like Figure 1 , Figure 4 , Figure 6 , Fig. 9 , Fig.10 As shown, the reverse transmission assembly 7 includes a gear shaft 28, an intermediate bevel gear 29, a driving bevel gear 30 and a driven bevel gear 31, the driving bevel gear 30 is arranged at one end of the driving shaft 15, the driven bevel gear 31 is arranged at one end of one of the transmission rods 20, the gear shaft 28 is arranged on the side wall of the base 1, the intermediate bevel gear 29 is arranged on the gear shaft 28, the driving bevel gear 30 is meshed with the intermediate bevel gear 29, and the intermediate bevel gear 29 is meshed with the driven bevel gear 31.

[0038] like Figure 1 , Figure 3 , Figure 8As shown, the gas generating assembly 10 includes a support plate 32, a gas generating box 33, a piston plate 34 and a connecting rod 35. The support plate 32 is arranged on the outer wall of the base 1, the gas generating box 33 is arranged on the upper wall of the support plate 32, the piston plate 34 is slidably arranged in the gas generating box 33, the upper end of the connecting rod 35 is arranged on the lower end of the lifting rod 12, and the lower end of the connecting rod 35 is arranged on the upper end surface of the piston plate 34. An air intake check valve 52 is provided at the bottom of the gas generating box 33. When the piston plate 34 moves upward, external gas can enter the gas generating box 33 from the air intake check valve 52.

[0039] like Figure 1 , Figure 2 , Figure 7 Therefore, the negative pressure shielding assembly 9 includes a collecting box 36, a fixed body 37, a linkage pipe 38, a counterweight block 39, a movable baffle 40 and a sealing piston 41. The collecting box 36 is symmetrically arranged on the side wall of the base 1, and the fixed body 37 is arranged on the side wall of the collecting box 36. A control chamber 42 is arranged in the fixed body 37, and the control chamber 42 runs through the upper end surface of the fixed body 37. Side chambers 43 are symmetrically arranged in the fixed body 37. The bottom of the side chamber 43 is connected to the outside through an outlet one-way valve 55. The side chambers 43 are symmetrically arranged on both sides of the control chamber 42. The movable baffle 40 is slidingly arranged In the control chamber 42, the movable baffle 40 is a hollow structure, the movable baffle 40 is filled with filter cotton, the counterweight block 39 is arranged on the lower wall of the control chamber 42, the inner wall array of the movable baffle 40 is provided with dust suction holes 44, the sealing piston 41 is slidably arranged in the side chamber 43, the lower end of the linkage pipe 38 is penetrated on the sealing piston 41, the upper end of the linkage pipe 38 is arranged on the side wall of the movable baffle 40, and the connection between the linkage pipe 38 and the movable baffle 40 is provided with an intake check valve 53, and the gas can only enter the side chamber 43 from the movable baffle 40 through the linkage pipe 38.

[0040] like Figure 1 , Figure 5 , Figure 6 , Fig.11 The two sides of the upper end of the support strip 17 are inclined surfaces, and dust removal holes 45 are arranged in an array on the inclined surfaces of the support strip 17. A connecting hole 46 is provided inside the support strip 17 along the horizontal direction, and the dust removal holes 45 are connected with the connecting holes 46. A vertical hole 47 is provided inside the support strip 17 along the vertical direction, and the vertical hole 47 is connected with the connecting hole 46.

[0041] like Figure 1 , Figure 2 , Figure 5 , Fig.11As shown, an intermediate groove 48 is penetrated through the middle of the base 1, and an intermediate cavity 49 is arranged in the intermediate groove 48. The gas generating box 33 is connected with the intermediate cavity 49 through a ventilation pipe 56, and an exhaust check valve 54 is arranged on the ventilation pipe 56. The gas can only enter the intermediate cavity 49 from the gas generating box 33. The upper wall array of the base 1 is provided with connecting holes 50, and the connecting holes 50 penetrate the upper wall of the intermediate groove 48. Each of the connecting holes 50 is connected with the intermediate cavity 49 through a connecting pipe 57.

[0042] like Figure 3 , Figure 4 , Figure 8 As shown, the gas generating box 33 is connected to the control chamber 42 of the fixed body 37 via a connecting pipe 51 .

[0043] When in use, the parts are placed on the supporting strip 17, and then the hydraulic module 4 is turned on. The hydraulic module 4 controls the hydraulic plate 5 to move downward, and the hydraulic plate 5 drives the supporting boss 11 to move downward, and the supporting boss 11 drives the lifting rod 12 to move downward, and the lifting rod 12 drives the transmission rack 13 to move downward, and the transmission rack 13 is meshed with the transmission gear 14, and the transmission gear 14 drives the driving shaft 15 to rotate, and the driving shaft 15 drives the transmission rod 20 on one side to rotate, and at the same time, the driving shaft 15 drives the driving bevel gear 30 on the other side to rotate, and the driving bevel gear 30 drives the intermediate bevel gear 29 to rotate, and the intermediate bevel gear 29 drives the driven bevel gear 31 to rotate, and the driven bevel gear 31 drives the transmission rod 20 on the other side to rotate. Therefore, the rotation directions of the transmission rods 20 on both sides are opposite, and the two transmission rods 20 drive the winding roller 24 to rotate at the same time. When the winding roller 24 on one side drives the pull rope 25 to reel, the winding roller 24 on the other side releases the pull rope 25, and the pull rope 25 drives the push block 27 to move between the supporting strips 17;

[0044] The hydraulic module 4 drives the hydraulic plate 5 to move up and down, the hydraulic plate 5 drives the supporting boss 11 to move up and down, the supporting boss 11 drives the lifting rod 12 to move up and down, the lifting rod 12 drives the transmission rack 13 to move up and down, the transmission rack 13 drives the transmission gear 14 to rotate forward and reversely, the transmission gear 14 drives the two transmission rods 20 to rotate forward and reversely, the transmission rod 20 drives the winding roller 24 to rotate forward and reversely, thereby realizing the back and forth winding and release of the pull rope 25, thereby realizing the push block 27 to slide back and forth between the supporting strips 17, so as to clean the fallen objects on the parts and drop them into the collection box 36;

[0045] When the lifting rod 12 moves downward, the lifting rod 12 drives the connecting rod 35 to move downward, and the connecting rod 35 drives the piston plate 34 to move downward, and the gas in the gas generating box 33 is squeezed into the connecting pipe 51, and enters the control chamber 42 of the fixed body 37 through the connecting pipe 51, and the gas pushes the movable baffle 40 upward. In the process of the hydraulic plate 5 stamping the parts, the movable baffle 40 forms a shield, and the staff can be on the outside of the movable baffle 40, which plays a role in protecting the staff. At the same time, the movable baffle 40 drives the linkage pipe 38 to move upward, and the linkage pipe 38 drives the sealing piston 41 to move upward, so that the pressure in the side chamber 43 is reduced, and the gas in the movable baffle 40 The gas enters the side chamber 43 through the second inlet check valve 53 and the linkage pipe 38, thereby forming an airflow moving toward the movable baffle 40 between the movable baffles 40, and the floating dust generated by the stamping of the parts is adsorbed on the filter cotton in the movable baffle 40. When the lifting rod 12 moves upward, the lifting rod 12 drives the connecting rod 35 to move upward, and the connecting rod 35 drives the piston plate 34 to move upward, and the gas enters the gas generating box 33 from the control chamber 42. Under the action of the deadweight of the counterweight block 39 and the movable baffle 40, the movable baffle 40 moves downward, and the movable baffle 40 drives the linkage pipe 38 to move downward, and the linkage pipe 38 drives the sealing piston 41 to move downward, and the gas is discharged from the second outlet check valve 55;

[0046] When the lifting rod 12 moves downward, the gas in the gas generating box 33 enters the middle cavity 49 through the ventilation pipe 56, then enters the connecting pipe 57 and the connecting hole 50 from the middle cavity 49, and then enters the vertical hole 47 from the connecting hole 50, and then enters the connecting hole 46, and is sprayed out from the dust removal hole 45, blowing the floating dust on the supporting strips 17 to between the supporting strips 17, and is cleaned by the push block 27 sliding back and forth and enters the collection box 36. When the lifting rod 12 moves upward, the external gas enters the gas generating box 33 from the air intake check valve 52, and at the same time, the gas in the control chamber 42 enters the gas generating box 33 through the connecting pipe 51.

[0047] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0048] While the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

[0049] The present invention and its embodiments are described above, and such description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if ordinary technicians in the field are inspired by it, without departing from the purpose of the invention, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the present invention.

Claims

1. A special four-column hydraulic press, comprising a base (1), characterized in that: Support slide columns (2) are provided at the four corners of the upper wall of the base (1), a top seat (3) is provided at the upper end of the support slide column (2), a hydraulic module (4) is provided on the top seat (3), a hydraulic plate (5) is slidably provided on the support slide column (2), and the hydraulic module (4) controls the lifting and lowering of the hydraulic plate (5), the outer wall of the base (1) is provided with a main linkage component (6), the outer wall of the base (1) is provided with a reverse transmission component (7), and the two side walls of the base (1) are symmetrically provided with automatic cleaning components (8), one of the automatic cleaning components (8) is connected to the main linkage component (6), and the other automatic cleaning component (8) is connected to the main linkage component (6) through the reverse transmission component (7), the outer wall of the base (1) is symmetrically provided with negative pressure shielding components (9), the outer wall of the base (1) is provided with a gas generating component (10), and the gas generating component (10) is connected to the negative pressure shielding component (9); The main linkage assembly (6) comprises a supporting boss (11), a lifting rod (12), a transmission rack (13), a transmission gear (14), a driving shaft (15) and a gear frame (16); the supporting boss (11) is arranged on a side wall of a hydraulic plate (5); the upper end of the lifting rod (12) is arranged on a lower wall of the supporting boss (11); the transmission rack (13) is arranged on an outer side wall of the lifting rod (12); the gear frame (16) is arranged on an upper portion of an outer side wall of the base (1); the driving shaft (15) is penetrated by the gear frame (16); the transmission gear (14) is arranged on the driving shaft (15); the transmission gear (14) is arranged between the gear frames (16); and the transmission gear (14) is meshed with the transmission rack (13); The automatic cleaning assembly (8) comprises a supporting strip (17), an inner supporting frame (18), an outer supporting frame (19), a transmission rod (20), a winding baffle (21), a pulley frame (22), a guide pulley (23), a winding roller (24), a pull rope (25), a steering pulley (26) and a push block (27), wherein the supporting strip (17) is arranged in an array on the upper wall of the base (1) along the direction of the edge of the base (1), and the outer supporting frame (19) is symmetrically arranged on the base ( The inner support frame (18) is symmetrically arranged on the outer wall of the base (1), the inner support frame (18) is arranged between the outer support frame (19), the transmission rod (20) is symmetrically arranged on the outer support frame (19) and the inner support frame (18), the winding roller (24) is arranged at the outer end of the transmission rod (20), the winding baffle (21) is arranged in an array on the winding roller (24), the steering pulley (26) is arranged in an array on the side wall of the base (1), and the steering pulley (26) is arranged in an array on the side wall of the base (1). The deflection pulley (26) corresponds to the spacing between the support strips (17) one by one, the length of the deflection pulley (26) increases in sequence along the direction of the edge of the base (1), the pulley frame (22) is arranged in an array on the side wall of the base (1) aligned with the two ends of the support strips (17), the spacing between the pulley frame (22) and the support strips (17) corresponds one by one, the length of the pulley frame (22) increases in sequence along the direction of the edge of the base (1), and the guide pulley (23) is arranged On the pulley frame (22), the push block (27) is slidably arranged between the support strips (17), one end of the pull rope (25) is arranged on the winding roller (24) between the winding baffles (21), and the other ends of the two symmetrical pull ropes (25) are respectively arranged on the two end surfaces of the push block (27), the pull rope (25) bypasses the steering pulley (26) and the guide pulley (23), and each pulley frame (22) is respectively aligned with the space between two adjacent winding baffles (21); The reverse transmission assembly (7) comprises a gear shaft (28), an intermediate bevel gear (29), a driving bevel gear (30) and a driven bevel gear (31); the driving bevel gear (30) is arranged at one end of the driving shaft (15); the driven bevel gear (31) is arranged at one end of one of the transmission rods (20); the gear shaft (28) is arranged on a side wall of the base (1); the intermediate bevel gear (29) is arranged on the gear shaft (28); the driving bevel gear (30) is meshed with the intermediate bevel gear (29); and the intermediate bevel gear (29) is meshed with the driven bevel gear (31).

2. A special four-column hydraulic press according to claim 1, characterized in that: The gas generating assembly (10) comprises a support plate (32), a gas generating box (33), a piston plate (34) and a connecting rod (35), wherein the support plate (32) is arranged on the outer wall of the base (1), the gas generating box (33) is arranged on the upper wall of the support plate (32), the piston plate (34) is slidably arranged in the gas generating box (33), the upper end of the connecting rod (35) is arranged on the lower end of the lifting rod (12), the lower end of the connecting rod (35) is arranged on the upper end surface of the piston plate (34), and an air intake check valve (52) is arranged at the bottom of the gas generating box (33).

3. A special four-column hydraulic press according to claim 2, characterized in that: The negative pressure shielding assembly (9) comprises a collecting box (36), a fixed body (37), a linkage pipe (38), a counterweight (39), a movable baffle (40) and a sealing piston (41); the collecting box (36) is symmetrically arranged on the side wall of the base (1); the fixed body (37) is arranged on the side wall of the collecting box (36); a control chamber (42) is arranged in the fixed body (37); the control chamber (42) penetrates the upper end surface of the fixed body (37); side chambers (43) are symmetrically arranged in the fixed body (37); the bottom of the side chamber (43) is connected to the outside through a second air outlet check valve (55); the side chamber (43) is symmetrically arranged on the control chamber (41); 2), the movable baffle (40) is slidably disposed in the control chamber (42), the movable baffle (40) is a hollow structure, the movable baffle (40) is filled with filter cotton, the counterweight (39) is disposed on the lower wall of the control chamber (42), the inner wall array of the movable baffle (40) is provided with dust suction holes (44), the sealing piston (41) is slidably disposed in the side chamber (43), the lower end of the linkage pipe (38) is penetrated by the sealing piston (41), the upper end of the linkage pipe (38) is disposed on the side wall of the movable baffle (40), and an intake check valve (53) is provided at the connection between the linkage pipe (38) and the movable baffle (40).

4. A special four-column hydraulic press according to claim 3, characterized in that: Both sides of the upper end of the support strip (17) are inclined surfaces, and dust removal holes (45) are arranged in an array on the inclined surfaces of the support strip (17). A connecting hole (46) is arranged inside the support strip (17) in a horizontal direction, and the dust removal hole (45) is connected to the connecting hole (46). A vertical hole (47) is arranged inside the support strip (17) in a vertical direction, and the vertical hole (47) is connected to the connecting hole (46).

5. A special four-column hydraulic press according to claim 4, characterized in that: An intermediate groove (48) is provided through the middle of the base (1), an intermediate cavity (49) is provided in the intermediate groove (48), the gas generating box (33) is connected to the intermediate cavity (49) through a ventilation pipe (56), and a gas outlet one-way valve (54) is provided on the ventilation pipe (56). An array of connecting holes (50) are provided on the upper wall of the base (1), and the connecting holes (50) pass through the upper wall of the intermediate groove (48), and each of the connecting holes (50) is connected to the intermediate cavity (49) through a connecting pipe (57).

6. A special four-column hydraulic press according to claim 5, characterized in that: The gas generating box (33) is in communication with the control chamber (42) of the fixed body (37) via a connecting pipe (51).

Images