Multi-point multi-station asymmetric overload and unbalanced load hydraulic protection system for press machine

Abstract

The utility model belongs to the field of hydraulic protection, and particularly relates to a multi-point multi-station asymmetric overload and unbalanced load hydraulic protection system for a press machine, which comprises a mounting seat, a reinforcing component is arranged in an inner cavity of the mounting seat, a hydraulic cylinder is arranged at the top of the mounting seat, and the bottom of the hydraulic cylinder penetrates into the inner cavity of the mounting seat. The surface of the hydraulic cylinder is fixedly sleeved with a fixing sleeve, the two sides of the fixing sleeve are fixedly connected with connecting plates, the bottoms of the connecting plates are fixedly connected with inserting plates, the bottoms of the inserting plates are sleeved with limiting shells, and the bottoms of the limiting shells are fixedly connected with the mounting base. By arranging the limiting assembly, the position of the hydraulic cylinder can be limited, the hydraulic cylinder can be conveniently installed, fixed and disassembled, by arranging the reinforcing assembly, the bottom of the hydraulic cylinder can be clamped and limited, the stability of the hydraulic cylinder is improved, and therefore the phenomena of displacement and the like of the hydraulic cylinder due to overload, unbalance loading and the like are avoided; and the hydraulic cylinder is well protected.

Description

Technical Field

[0001] The utility model relates to the field of hydraulic protection, in particular to an overloading and eccentric loading hydraulic protection system for asymmetric use at multiple points and multiple stations of a press. Background Technique

[0002] A press is a general-purpose press with a delicate structure, which has the characteristics of wide application and high production efficiency. The press can be widely used in processes such as cutting, punching, blanking, bending, riveting and forming. The hydraulic cylinder used in the hydraulic press is a hydraulic actuator that converts hydraulic energy into mechanical energy and makes a linear reciprocating motion or a swinging motion. It has a simple structure and reliable operation, and can be used at multiple points and multiple stations of the press.

[0003] At present, the hydraulic cylinder used in the press has no reinforcement function after installation, and its stability is poor. Displacement and other phenomena may occur due to overloading and eccentric loading, etc. In severe cases, it will also bring potential safety hazards and is not conducive to use. Therefore, an overloading and eccentric loading hydraulic protection system for asymmetric use at multiple points and multiple stations of the press is proposed for the above problems. Content of the Utility Model

[0004] In order to make up for the deficiencies of the prior art and solve the problem of poor stability of the hydraulic cylinder used in the prior art for asymmetric use at multiple points and multiple stations of the press, the utility model proposes an overloading and eccentric loading hydraulic protection system for asymmetric use at multiple points and multiple stations of the press.

[0005] The technical solution adopted by the utility model to solve its technical problems is: an overloading and eccentric loading hydraulic protection system for asymmetric use at multiple points and multiple stations of the press, including a mounting seat. A reinforcement component is arranged in the inner cavity of the mounting seat. A hydraulic cylinder is arranged on the top of the mounting seat. The bottom of the hydraulic cylinder penetrates to the inner cavity of the mounting seat. A fixed sleeve is fixedly sleeved on the surface of the hydraulic cylinder. Connecting plates are fixedly connected to both sides of the fixed sleeve. A plug board is fixedly connected to the bottom of the connecting plate. The bottom of the plug board is sleeved with a limit shell. The bottom of the limit shell is fixedly connected to the mounting seat. A slot is opened on one side of the plug board. Limit components are fixedly connected to the opposite sides of the two limit shells;

[0006] The reinforcement component includes two moving plates, which are respectively located on both sides of the inner cavity of the mounting seat. Clamping plates are fixedly connected to the opposite sides of the two moving plates. Mounting plates are arranged on the opposite sides of the two moving plates. The bottom of the mounting plate is fixedly connected to the inner wall of the mounting seat. Screws are movably connected to the opposite sides of the two mounting plates. A screw sleeve is threadedly connected to the surface of the screw. Moving blocks are fixedly connected to the front side and the rear side of the opposite sides of the two screw sleeves. One side of the moving block is fixedly connected to the moving plate. The opposite ends of the two screws penetrate to the outside of the mounting seat and are fixedly connected with hand wheels.

[0007] Preferably, sliding rods are arranged on the front side and the rear side of the inner cavity of the mounting base. Both ends of each sliding rod are fixedly connected to the inner wall of the mounting base. Sliding sleeves are sleeved on both sides of the surface of each sliding rod, and the surface of each sliding sleeve is fixedly connected to a moving plate.

[0008] Preferably, the surface of the screw rod is movably connected to both the mounting plate and the mounting base through bearings. The opposite sides of the two clamping plates are both in contact with the hydraulic cylinder.

[0009] Preferably, the limiting assembly includes a limiting box. One side of the limiting box is fixedly connected to the limiting shell. A pull plate is arranged in the inner cavity of the limiting box. Plug blocks are fixedly connected to the opposite sides of the two pull plates. The opposite sides of the two plug blocks sequentially penetrate through the limiting box and the limiting shell and extend into the inner cavity of the slot.

[0010] Preferably, a pull rod is fixedly connected to the side of the pull plate away from the plug block. The side of the pull rod away from the pull plate penetrates to the outside of the limiting box and is fixedly connected to a pull ring.

[0011] Preferably, springs are arranged on the front side and the rear side of the inner cavity of the limiting box and located on the front side and the rear side of the pull rod. The two sides of each spring are respectively fixedly connected to the pull plate and the limiting box.

[0012] Preferably, mounting blocks are fixedly connected to both sides of the front bottom and the rear bottom of the mounting base. Mounting holes are formed in the tops of the mounting blocks.

[0013] The beneficial effects of the present utility model are as follows:

[0014] 1. By arranging the limiting assembly, the position of the hydraulic cylinder can be restricted, which is convenient for the installation, fixation and disassembly of the hydraulic cylinder. By arranging the reinforcement assembly, the bottom of the hydraulic cylinder can be clamped and limited, improving the stability of the hydraulic cylinder, thereby avoiding phenomena such as displacement of the hydraulic cylinder due to overloading, eccentric loading, etc., and providing good protection for the hydraulic cylinder.

[0015] 2. By arranging the sliding rods, the moving range of the sliding sleeves can be restricted. By arranging the sliding rods and the sliding sleeves, the moving stability of the moving plate can be improved. By arranging the bearings, the rotation of the screw rod can be facilitated. By arranging the clamping plates, the hydraulic cylinder can be clamped and limited. By arranging the plug blocks, the plug plates can be fixed by inserting into the slots. By arranging the pull rings, it is convenient for the user to pull the pull rods. By arranging the springs, it is convenient for the two pull plates to move towards the middle for resetting. By arranging the mounting blocks and the mounting holes, the fixation of the mounting base can be facilitated. Description of the Drawings

[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0017] Figure 1 Structural schematic diagram of the overload and eccentric load hydraulic protection system for asymmetric use of multiple points and multiple stations of the press of the present invention;

[0018] Figure 2 Exploded view of the structure of the plug board and the limit shell of the present invention;

[0019] Figure 3 Top view cross-sectional view of the limit component of the present invention;

[0020] Figure 4 Top view cross-sectional view of the mounting seat of the present invention.

[0021] In the figure: 1, mounting seat; 2, hydraulic cylinder; 3, fixed sleeve; 4, connecting plate; 5, plug board; 6, limit shell; 7, slot; 8, mounting block; 9, mounting hole; 10, reinforcement component; 1001, moving plate; 1002, clamping plate; 1003, mounting plate; 1004, screw; 1005, nut sleeve; 1006, moving block; 1007, handwheel; 1008, slide bar; 1009, slide sleeve; 11, limit component; 1101, limit box; 1102, pull plate; 1103, insertion block; 1104, pull rod; 1105, pull ring; 1106, spring. Detailed implementation manners

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0023] The following combines the attached Figures 1-4 To further elaborate on this application,

[0024] The embodiments of this application disclose an overload and eccentric load hydraulic protection system for asymmetric use of multiple points and multiple stations of a press. Refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4, A multi-point and multi-station asymmetric overload and eccentric load hydraulic protection system for a press, including a mounting seat 1. A reinforcement component 10 is arranged in the inner cavity of the mounting seat 1. A hydraulic cylinder 2 is arranged on the top of the mounting seat 1. The bottom of the hydraulic cylinder 2 penetrates through to the inner cavity of the mounting seat 1. A fixed sleeve 3 is fixedly sleeved on the surface of the hydraulic cylinder 2. Connecting plates 4 are fixedly connected to both sides of the fixed sleeve 3. An insertion plate 5 is fixedly connected to the bottom of the connecting plate 4. A limiting shell 6 is sleeved on the bottom of the insertion plate 5. The bottom of the limiting shell 6 is fixedly connected to the mounting seat 1. A slot 7 is formed on one side of the insertion plate 5. Limiting components 11 are fixedly connected to the opposite sides of the two limiting shells 6;

[0025] The reinforcement component 10 includes two moving plates 1001, which are respectively located on both sides of the inner cavity of the mounting seat 1. Clamping plates 1002 are fixedly connected to the opposite sides of the two moving plates 1001. Mounting plates 1003 are arranged on the opposite sides of the two moving plates 1001. The bottom of the mounting plate 1003 is fixedly connected to the inner wall of the mounting seat 1. Screws 1004 are movably connected to the opposite sides of the two mounting plates 1003. A screw sleeve 1005 is threadedly connected to the surface of the screw 1004. Moving blocks 1006 are fixedly connected to the front side and the rear side of the opposite sides of the two screw sleeves 1005. One side of the moving block 1006 is fixedly connected to the moving plate 1001. The opposite ends of the two screws 1004 penetrate through to the outside of the mounting seat 1 and are fixedly connected with handwheels 1007; By setting the limiting component 11, the position of the hydraulic cylinder 2 can be restricted, which is convenient for the installation, fixation and disassembly of the hydraulic cylinder 2. By setting the reinforcement component 10, the bottom of the hydraulic cylinder 2 can be clamped and limited, improving the stability of the hydraulic cylinder 2, thereby avoiding phenomena such as displacement of the hydraulic cylinder 2 due to overload, eccentric load, etc., and providing good protection for the hydraulic cylinder 2.

[0026] Refer to Figure 4 , Slide rods 1008 are arranged on the front side and the rear side of the inner cavity of the mounting seat 1. Both ends of the slide rod 1008 are fixedly connected to the inner wall of the mounting seat 1. Slide sleeves 1009 are sleeved on both sides of the surface of the slide rod 1008. The surface of the slide sleeve 1009 is fixedly connected to the moving plate 1001; By setting the slide rod 1008, the moving range of the slide sleeve 1009 can be restricted. By setting the slide rod 1008 and the slide sleeve 1009, the stability of the movement of the moving plate 1001 can be improved.

[0027] Refer to Figure 4 , The surface of the screw 1004 is movably connected to the mounting plate 1003 and the mounting seat 1 through bearings. The opposite sides of the two clamping plates 1002 are in contact with the hydraulic cylinder 2; By setting the bearings, it is convenient for the rotation of the screw 1004. By setting the clamping plates 1002, it can be used to clamp and limit the hydraulic cylinder 2.

[0028] Refer to Figure 2 and Figure 3, the limit component 11 includes a limit box 1101. One side of the limit box 1101 is fixedly connected to the limit shell 6. A pull plate 1102 is arranged in the inner cavity of the limit box 1101. Plug blocks 1103 are fixedly connected to the opposite sides of the two pull plates 1102. The opposite sides of the two plug blocks 1103 sequentially penetrate through the limit box 1101 and the limit shell 6 and extend into the inner cavity of the slot 7. A pull rod 1104 is fixedly connected to the side of the pull plate 1102 away from the plug block 1103. The side of the pull rod 1104 away from the pull plate 1102 penetrates to the outside of the limit box 1101 and is fixedly connected to a pull ring 1105. Springs 1106 are arranged on the front side and the rear side of the pull rod 1104 in the inner cavity of the limit box 1101. The two sides of the springs 1106 are respectively fixedly connected to the pull plate 1102 and the limit box 1101; by providing the plug block 1103, it can be inserted into the slot 7 to fix the plug board 5. By providing the pull ring 1105, it is convenient for the user to pull the pull rod 1104. By providing the springs 1106, it is convenient for the two pull plates 1102 to move towards the middle for resetting.

[0029] Refer to Figure 1 , mounting blocks 8 are fixedly connected to both sides of the front and rear bottoms of the mounting seat 1. Mounting holes 9 are formed in the tops of the mounting blocks 8; by providing the mounting blocks 8 and the mounting holes 9, it is convenient to fix the mounting seat 1.

[0030] Working principle: The user can fix the mounting seat 1 at the required position through the cooperation of the mounting blocks 8, the mounting holes 9 and external bolts. Then, move the hydraulic cylinder 2 so that it is inserted into the mounting seat 1 and contacts the bottom of the inner cavity of the mounting seat 1. At the same time, the hydraulic cylinder 2 drives the connecting plate 4 to move through the cooperation of the fixed sleeve 3. The connecting plate 4 drives the plug board 5 to move downward and insert into the limit shell 6. When the plug board 5 moves downward, it will squeeze the plug blocks 1103, driving the two plug blocks 1103 to move away from each other. The plug blocks 1103 drive the two pull plates 1102 to move away from each other and squeeze the springs 1106. Until the plug blocks 1103 correspond to the slots 7, the springs 1106 are reset and drive the two plug blocks 1103 to move towards the middle through the cooperation of the pull plates 1102 and insert into the slots 7 to fix the plug board 5, completing the installation of the hydraulic cylinder 2. Then, rotate the screw rod 1004 through the cooperation of the hand wheel 1007. The rotation of the screw rod 1004 can drive the two screw sleeves 1005 to move towards the middle. The screw sleeves 1005 can drive the two clamping plates 1002 to move towards the middle and gradually approach the hydraulic cylinder 2 until they are tightly attached through the cooperation of the moving blocks 1006 and the moving plate 1001, strengthening the installation of the hydraulic cylinder 2, improving the stability of the hydraulic cylinder 2 during operation, and avoiding phenomena such as displacement of the hydraulic cylinder 2 due to overloading, eccentric loading, etc., providing good protection for the hydraulic cylinder 2.

[0031] The basic principle, main features and advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of the present utility model claimed.

Claims

1. The press machine uses a multi-point, multi-station, asymmetrical overload and partial load hydraulic protection system, which is characterized by: The invention comprises a mounting seat (1), wherein the inner cavity of the mounting seat (1) is provided with a reinforcing component (10), a hydraulic cylinder (2) is provided on the top of the mounting seat (1), the bottom of the hydraulic cylinder (2) penetrates into the inner cavity of the mounting seat (1), a fixing sleeve (3) is fixedly sleeved on the surface of the hydraulic cylinder (2), both sides of the fixing sleeve (3) are fixedly connected with connecting plates (4), the bottom of the connecting plate (4) is fixedly connected with a plug plate (5), the bottom of the plug plate (5) is sleeved with a limiting shell (6), the bottom of the limiting shell (6) is fixedly connected to the mounting seat (1), a slot (7) is provided on one side of the plug plate (5), and the opposite sides of the two limiting shells (6) are fixedly connected with limiting components (11); The reinforcement assembly (10) comprises two movable plates (1001), the two movable plates (1001) are respectively located on both sides of the inner cavity of the mounting seat (1), the opposite sides of the two movable plates (1001) are fixedly connected with a clamping plate (1002), the opposite sides of the two movable plates (1001) are provided with a mounting plate (1003), the bottom of the mounting plate (1003) is fixedly connected with the inner wall of the mounting seat (1), the opposite sides of the two mounting plates (1003) are movably connected with a screw rod (1004), the surface of the screw rod (1004) is threadedly connected with a screw sleeve (1005), the front side and the rear side of the opposite side of the two screw sleeves (1005) are fixedly connected with a movable block (1006), one side of the movable block (1006) is fixedly connected with the movable plate (1001), and the opposite ends of the two screw rods (1004) penetrate to the outside of the mounting seat (1) and are fixedly connected with a hand wheel (1007).

2. The press multi-point multi-station asymmetric use overload and unbalanced load hydraulic protection system according to claim 1 is characterized by: Slide bars (1008) are provided on the front and rear sides of the inner cavity of the mounting seat (1), both ends of the slide bars (1008) are fixedly connected to the inner wall of the mounting seat (1), and both sides of the surface of the slide bars (1008) are sleeved with slide sleeves (1009), and the surface of the slide sleeves (1009) is fixedly connected to the movable plate (1001).

3. The press multi-point multi-station asymmetric use overload and unbalanced load hydraulic protection system according to claim 1 is characterized by: The surface of the screw rod (1004) is movably connected to the mounting plate (1003) and the mounting seat (1) via bearings, and the opposite sides of the two clamping plates (1002) are in contact with the hydraulic cylinder (2).

4. The press multi-point multi-station asymmetric use overload and unbalanced load hydraulic protection system according to claim 1 is characterized by: The limit assembly (11) comprises a limit box (1101), one side of the limit box (1101) is fixedly connected to the limit shell (6), the inner cavity of the limit box (1101) is provided with a pull plate (1102), the opposite sides of the two pull plates (1102) are fixedly connected with plug blocks (1103), and the opposite sides of the two plug blocks (1103) penetrate the limit box (1101) and the limit shell (6) in sequence and extend to the inner cavity of the slot (7).

5. The press multi-point multi-station asymmetric use overload and unbalanced load hydraulic protection system according to claim 4 is characterized by: A pull rod (1104) is fixedly connected to the side of the pull plate (1102) away from the plug block (1103), and a pull rod (1104) is fixedly connected to the side of the pull plate (1102) away from the pull plate (1102) through the outside of the limit box (1101) and is fixedly connected to a pull ring (1105).

6. The press multi-point multi-station asymmetric use overload and unbalanced load hydraulic protection system according to claim 5 is characterized by: Springs (1106) are provided in the inner cavity of the limit box (1101) and at the front and rear sides of the pull rod (1104), and the two sides of the spring (1106) are fixedly connected to the pull plate (1102) and the limit box (1101) respectively.

7. The press multi-point multi-station asymmetric use overload and unbalanced load hydraulic protection system according to claim 1 is characterized by: Both sides of the bottom of the front and rear sides of the mounting seat (1) are fixedly connected with mounting blocks (8), and the top of the mounting block (8) is provided with a mounting hole (9).

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