Four-column hydraulic press

Abstract

The utility model relates to the technical field of mechanical manufacturing, and proposes a four-column upward hydraulic press, including a base, wherein the upper end of the outer side of the base is fixedly connected with a uniformly distributed fixed plate 1, and the lower end of the outer side of the base is fixedly connected with a uniformly distributed fixed plate 2, and the fixed plate 1 and the fixed plate 2 are arranged correspondingly, and one side of the fixed plate 1 and the fixed plate 2 are fixedly connected with a connecting block, and the inner walls of the two connecting blocks on the corresponding sides are fixedly connected with the same threaded sleeve, and the inner wall of the threaded sleeve is threadedly connected with a screw. In the utility model, the screw is rotated synchronously by turning the knob, and because the threaded sleeve is fixedly installed, the screw moves up and down on the inner wall of the threaded sleeve during the rotation process, thereby driving the positioning cone to move up and down, and the positioning cone is inserted into the soil of the contact surface for connection and reinforcement, so as to achieve the reinforcement effect of the bottom of the hydraulic press, and improve the overall stability of the machine by increasing the support area of ​​the bottom of the machine.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical manufacturing, in particular to a four-column upward hydraulic press. Background Art

[0002] Four-column hydraulic press is a kind of mechanical equipment that uses the static pressure of hydraulic oil delivered by the oil pump to process metal, plastic, rubber, wood, powder and other products. It is often used in pressing and pressing processes, such as forging, stamping, cold extrusion, straightening, bending, flanging, sheet metal drawing, powder metallurgy, press fitting, etc.

[0003] After searching, the existing patent (Announcement No.: CN211054501U) discloses a four-column hydraulic press, including a base, a top seat, a pressure plate between the top seat and the base, four guide columns located at the four corners of the base are arranged between the base and the base, the pressure plate is provided with guide holes for the guide columns to pass through, a hydraulic cylinder for pushing the pressure plate to slide along the guide columns is fixedly connected to the top seat, a mounting table for workpiece installation is rotatably connected to the base, and an adjustment component for driving the mounting table to rotate is arranged in the base. The utility model has the following advantages and effects: the rotation of the mounting table is driven by the worm gear transmission, and the convenient rotation during the processing of the workpiece is realized, and the rotation is more stable at the same time; secondly, a thrust bearing located at the bottom of the limit part is sleeved on the adjustment shaft, which reduces the friction of the adjustment shaft and makes the adjustment smoother; thirdly, the mounting seat is limited by the limit piece connected to the dovetail groove on the base, which improves the stability of the mounting table when processing the workpiece.

[0004] However, in the above solution, it is difficult to effectively reinforce the bottom, and the supporting area at the bottom of the machine is small, which can easily cause the machine to become unstable during operation, increasing the risk of tipping over or moving.

[0005] In view of this, the utility model proposes a four-column upward hydraulic press. Utility Model Content

[0006] The utility model provides a four-column upward hydraulic press, which solves the problem in the related art that it is difficult to effectively reinforce the bottom.

[0007] The technical solution of the utility model is as follows: a four-column upward hydraulic press comprises a base, an outer upper end of the base is fixedly connected with a uniformly distributed fixed plate 1, an outer lower end of the base is fixedly connected with a uniformly distributed fixed plate 2, the fixed plate 1 and the fixed plate 2 are arranged correspondingly, one side of the fixed plate 1 and the fixed plate 2 are fixedly connected with a connecting block, the inner walls of the two connecting blocks on the corresponding sides are fixedly connected with the same threaded sleeve, the inner wall of the threaded sleeve is threadedly connected with a screw, the top end of the screw is fixedly connected with a knob, the bottom end of the screw is fixedly connected with a positioning cone, and the same spring 1 is fixedly connected between the two connecting blocks on the corresponding sides.

[0008] Preferably, a mounting box is fixedly connected to the right side of the top of the base, a mounting plate is fixedly connected to the top of the mounting box, and a plug-in slot is provided at the right end of the inner wall of the mounting plate.

[0009] Preferably, a plug board is slidably connected inside the plug slot, a control box is fixedly connected to the top of the plug board, and a front-to-back opposing clamping groove is formed at the right end of the inner wall of the plug board.

[0010] Preferably, a front-to-rear guide cylinder is fixedly connected to the right side of the mounting plate, and a limiting groove is provided at the bottom end of the inner wall of the guide cylinder.

[0011] Preferably, a clamping rod is slidably connected to the middle of the inner wall of the guide cylinder, a pull rod is fixedly connected to the right side of the clamping rod, and a limiting block is fixedly connected to the bottom end of the clamping rod.

[0012] Preferably, the limiting block is slidably connected inside the limiting groove, a second spring is fixedly connected to the right side of the limiting block, and the other end of the second spring is fixedly connected inside the limiting groove.

[0013] Preferably, a reinforcement beam is fixedly connected to the left side of the top of the base, a hydraulic cylinder is fixedly connected to the top of the reinforcement beam, evenly distributed positioning rods are fixedly connected to the top of the reinforcement beam, and the tops of multiple positioning rods are fixedly connected to the same top beam.

[0014] Preferably, a positioning sleeve is slidably connected to the outer sides of the plurality of positioning rods, and a movable beam is fixedly connected to the outer sides of the plurality of positioning sleeves.

[0015] The working principle and beneficial effects of the utility model are:

[0016] 1. In the utility model, the screw is rotated synchronously by turning the knob. Since the threaded sleeve is fixedly installed, the screw moves up and down on the inner wall of the threaded sleeve during rotation, thereby driving the positioning cone to move up and down, and the positioning cone is inserted into the soil on the contact surface for connection and reinforcement, thereby achieving the effect of reinforcing the bottom of the hydraulic press. By increasing the support area of ​​the bottom of the machine, the overall stability of the machine is improved, machine failures or inaccurate operations caused by vibration or instability are reduced, and the risk of tipping or movement of the hydraulic press is reduced.

[0017] 2. In the utility model, by pulling the pull rod outward, the limit block moves on the inner wall of the guide cylinder and disengages from the inside of the card slot. At this time, the control box is pulled upward, thereby driving the plug-in board to disengage from the inside of the plug-in slot, so that the control box can be taken out from the inside of the mounting plate, achieving the effect of quick disassembly of the control box, making the maintenance and care of the control box easier. The operator can quickly disassemble the control box for inspection, replacement of parts or other maintenance work, thereby reducing maintenance time and improving maintenance efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0019] Figure 1 It is an isometric stereoscopic schematic diagram of the utility model;

[0020] Figure 2 For the utility model Figure 1 The enlarged structural diagram at A in the middle;

[0021] Figure 3 It is a schematic diagram of the three-dimensional structure of the reinforcement beam of the utility model;

[0022] Figure 4 This is a schematic diagram of the split structure of the control box of the utility model;

[0023] Figure 5 For the utility model Figure 4 Enlarged structural diagram at B in the middle.

[0024] In the figure: 1. base; 2. reinforcement beam; 3. movable beam; 4. top beam; 5. positioning rod; 6. hydraulic cylinder; 7. positioning sleeve; 8. installation box; 9. installation plate; 10. control box; 11. fixing plate 1; 12. fixing plate 2; 13. connecting block; 14. threaded sleeve; 15. screw; 16. knob; 17. positioning cone; 18. spring 1; 19. guide cylinder; 20. plug-in plate; 21. clamping groove; 22. plug-in groove; 23. clamping rod; 24. limit groove; 25. limit block; 26. spring 2; 27. pull rod. DETAILED DESCRIPTION

[0025] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example 1

[0027] The preferred embodiment of the four-column upward hydraulic press provided by the utility model is as follows: Figures 1 to 5As shown: a four-column upward hydraulic press includes a base 1, an outer upper end of the base 1 is fixedly connected with a uniformly distributed fixed plate 11, and the base 1 has a fixing effect on the fixed plate 11, and an outer lower end of the base 1 is fixedly connected with a uniformly distributed fixed plate 2 12, and the base 1 has a fixing effect on the fixed plate 2 12. The fixed plate 11 and the fixed plate 2 12 are correspondingly arranged, and one side of the fixed plate 11 and the fixed plate 2 12 are fixedly connected with a connecting block 13, and the fixed plate 11 and the fixed plate 2 12 have a fixing effect on the connecting block 13. The inner walls of the two connecting blocks 13 on the corresponding sides are fixedly connected with the same threaded sleeve 14, in order to further improve the stability of the threaded sleeve 14, and the inner wall of the threaded sleeve 14 is threadedly connected with a screw 15, and the screw A knob 16 is fixedly connected to the top of 15, and the screw 15 fixes the knob 16. A positioning cone 17 is fixedly connected to the bottom of the screw 15, and the screw 15 fixes the positioning cone 17. By turning the knob 16, the screw 15 is driven to move up and down on the inner wall of the threaded sleeve 14, thereby driving the positioning cone 17 to move, and the positioning cone 17 is inserted into the soil on the contact surface for connection and reinforcement, thereby achieving the reinforcement effect on the bottom of the hydraulic press, and increasing the support area of ​​the bottom of the machine to improve the overall stability of the machine. The same spring 18 is fixedly connected between the two connecting blocks 13 on the corresponding side, in order to further improve the stability of the spring 18, and at the same time, the spring 18 can have a certain buffering effect.

[0028] Example 2

[0029] On the basis of Example 1, the preferred embodiment of the four-column upward hydraulic press provided by the utility model is as follows Figures 1 to 5 As shown: an installation box 8 is fixedly connected to the right side of the top of the base 1, and the base 1 has a fixed supporting effect on the installation box 8. A mounting plate 9 is fixedly connected to the top of the installation box 8, and the installation box 8 has a fixed supporting effect on the installation plate 9. A plug-in slot 22 is provided at the right end of the inner wall of the installation plate 9.

[0030] In this embodiment, a plug-in board 20 is slidably connected inside the plug-in slot 22, and a control box 10 is fixedly connected to the top of the plug-in board 20. The plug-in board 20 fixes the control box 10. The control box 10 adopts centralized button control and has two operating modes: fully automatic and semi-automatic. Through the control panel, two process actions, fixed pressure and fixed stroke, can be selected. A front and rear opposite card-joining groove 21 is opened at the right end of the inner wall of the plug-in board 20.

[0031] In this embodiment, the right side of the mounting plate 9 is fixedly connected with front and rear opposite guide cylinders 19 , and the mounting plate 9 fixes the guide cylinders 19 . A limiting groove 24 is provided at the bottom end of the inner wall of the guide cylinders 19 .

[0032] In this embodiment, a clamping rod 23 is slidably connected to the middle of the inner wall of the guide cylinder 19, and the clamping rod 23 is engaged with the clamping groove 21. A pull rod 27 is fixedly connected to the right side of the clamping rod 23, and the clamping rod 23 has a fixing effect on the pull rod 27. By pulling the pull rod 27, the clamping rod 23 can be driven to move on the inner wall of the guide cylinder 19 and be separated from the inside of the clamping groove 21. The bottom end of the clamping rod 23 is fixedly connected to the limit block 25, and the clamping rod 23 has a fixing effect on the limit block 25.

[0033] In this embodiment, the limit block 25 is slidably connected inside the limit groove 24, and a spring 26 is fixedly connected to the right side of the limit block 25. The other end of the spring 26 is fixedly connected inside the limit groove 24 to further improve the stability of the spring 26.

[0034] Furthermore, a reinforcement beam 2 is fixedly connected to the left side of the top of the base 1, a hydraulic cylinder 6 is fixedly connected to the top of the reinforcement beam 2, evenly distributed positioning rods 5 are fixedly connected to the top of the reinforcement beam 2, and the tops of multiple positioning rods 5 are fixedly connected to the same top beam 4.

[0035] In addition, the outer sides of the multiple positioning rods 5 are slidably connected with positioning sleeves 7, and the outer sides of the multiple positioning sleeves 7 are fixedly connected with the same movable beam 3. Through the cooperation of the reinforcement beam 2, the movable beam 3, the top beam 4 and the multiple positioning rods 5, the parallelism between the work surfaces is higher, and the electrical system adopts PLC control, which has reliable operation and intuitive movement.

[0036] The working principle and use process of the utility model are as follows: first, the knob 16 is turned, and the knob 16 is rotated to drive the screw rod 15 to rotate synchronously. Since the threaded sleeve 14 is fixedly installed, the screw rod 15 moves up and down on the inner wall of the threaded sleeve 14 during the rotation process, thereby driving the positioning cone 17 to move up and down, and the positioning cone 17 is inserted into the soil on the contact surface for connection and reinforcement, so as to achieve the reinforcement effect on the bottom of the hydraulic press, improve the overall stability of the machine, reduce machine failures or inaccurate operations caused by vibration or instability, and reduce the risk of the hydraulic press tipping over or moving. The pull rod 27 is pulled outward, and the pull rod 27 moves to drive the clamping rod 2 The control box 10 is moved along the inner wall of the guide cylinder 19, thereby disengaging from the clamping groove 21, and the clamping rod 23 drives the limiting block 25 to slide in the limiting groove 24 during the movement, thereby limiting the clamping rod 23 to prevent excessive displacement. At this time, the control box 10 is pulled upward, thereby driving the plug-in board 20 to disengage from the plug-in groove 22, thereby taking the control box 10 out of the mounting plate 9, achieving a quick disassembly effect of the control box 10, making the maintenance and care of the control box 10 easier, and the operator can quickly disassemble the control box 10 for inspection, replacement of parts or other maintenance work, thereby reducing maintenance time and improving maintenance efficiency.

[0037] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A four-column hydraulic press, comprising a base (1), characterized in that: The upper end of the outer side of the base (1) is fixedly connected to a uniformly distributed fixing plate 1 (11), and the lower end of the outer side of the base (1) is fixedly connected to a uniformly distributed fixing plate 2 (12). The fixing plate 1 (11) and the fixing plate 2 (12) are arranged correspondingly. One side of the fixing plate 1 (11) and the fixing plate 2 (12) are fixedly connected to a connecting block (13). The inner walls of the two connecting blocks (13) on the corresponding sides are fixedly connected to the same threaded sleeve (14). The inner wall of the threaded sleeve (14) is threadedly connected to a screw rod (15). The top end of the screw rod (15) is fixedly connected to a knob (16). The bottom end of the screw rod (15) is fixedly connected to a positioning cone (17). The two connecting blocks (13) on the corresponding sides are fixedly connected to the same spring 1 (18).

2. The four-column upward hydraulic press according to claim 1, characterized in that: A mounting box (8) is fixedly connected to the right side of the top of the base (1), a mounting plate (9) is fixedly connected to the top of the mounting box (8), and a plug-in slot (22) is provided at the right end of the inner wall of the mounting plate (9).

3. The four-column upward hydraulic press according to claim 2, characterized in that: A plug board (20) is slidably connected inside the plug slot (22), a control box (10) is fixedly connected to the top of the plug board (20), and a front-to-back clamping groove (21) is provided at the right end of the inner wall of the plug board (20).

4. The four-column upward hydraulic press according to claim 2, characterized in that: The right side of the mounting plate (9) is fixedly connected with a front and rear opposite guide cylinder (19), and a limiting groove (24) is provided at the bottom end of the inner wall of the guide cylinder (19).

5. The four-column upward hydraulic press according to claim 4, characterized in that: A clamping rod (23) is slidably connected to the middle of the inner wall of the guide cylinder (19), a pull rod (27) is fixedly connected to the right side of the clamping rod (23), and a limiting block (25) is fixedly connected to the bottom end of the clamping rod (23).

6. The four-column upward hydraulic press according to claim 5, characterized in that: The limit block (25) is slidably connected inside the limit slot (24), a second spring (26) is fixedly connected to the right side of the limit block (25), and the other end of the second spring (26) is fixedly connected inside the limit slot (24).

7. The four-column upward hydraulic press according to claim 1, characterized in that: A reinforcing beam (2) is fixedly connected to the left side of the top of the base (1), a hydraulic cylinder (6) is fixedly connected to the top of the reinforcing beam (2), evenly distributed positioning rods (5) are fixedly connected to the top of the reinforcing beam (2), and the tops of a plurality of positioning rods (5) are fixedly connected to the same top beam (4).

8. The four-column upward hydraulic press according to claim 7, characterized in that: The outer sides of the plurality of positioning rods (5) are all slidably connected to positioning sleeves (7), and the outer sides of the plurality of positioning sleeves (7) are fixedly connected to the same movable beam (3).

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