Die punch lifter of oil press

Abstract

The utility model relates to the technical field of oil presses, in particular to an oil press die punch lifter which comprises a propeller, an auxiliary frame, an extrusion plate and a replacement device, the propeller is installed on the surface of the auxiliary frame, the extrusion plate is arranged below the propeller, the replacement device is arranged on the surface of the propeller, and the replacement device comprises a main disc. The main disc is fixedly connected with the driving end of the propeller and makes contact with the upper surface of the extrusion plate, the upper surface of the extrusion plate is fixedly connected with a positioning block, the main disc is arranged on the surface of the positioning block in a sleeving mode, and the inner surface of the driving end of the propeller is slidably connected with a sliding strip. According to the oil press die punch lifter, by arranging the replacing device, a worker can replace the punch effectively and conveniently, when the oil press die punch lifter is used, the inserting plate is adjusted, the situation that time and labor are wasted in the process that the worker replaces the punch is avoided, the practicability of the oil press die punch lifter is improved, and the working efficiency is improved. The auxiliary performance of the oil press die punch lifter is improved, and the convenience for workers to replace the punch is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic presses, in particular to a hydraulic press die punch lifter. Background Art

[0002] A hydraulic press is a machine that uses special hydraulic oil as the working medium and a hydraulic pump as the power source. The hydraulic oil enters the cylinder / piston through the hydraulic pipeline by the force of the pump. Then there are several sets of seals that cooperate with each other in the cylinder / piston. The seals in different positions are different, but they all play a sealing role to prevent the hydraulic oil from leaking. Finally, the hydraulic oil circulates in the oil tank through a one-way valve to make the cylinder / piston circulate and do work, thereby completing a certain mechanical action as a kind of productivity. With the development of society, when the hydraulic press die punch needs to perform stamping operations, a hydraulic press die punch lifter is used.

[0003] The inventor discovered in his daily work that workers need to use auxiliary tools when replacing the punch of the hydraulic press die punch lifter, and it takes a lot of time to replace. However, the connecting parts of the hydraulic press die punch lifter are relatively complicated, which requires workers to have certain experience and skills when replacing the punch of the hydraulic press die punch lifter, which leads to the problem of increased difficulty in replacing the punch of the hydraulic press die punch lifter. Utility Model Content

[0004] The utility model aims to solve the disadvantage of the prior art that the replacement of the punch of the hydraulic press die punch lifter will increase the difficulty, and proposes a hydraulic press die punch lifter.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a hydraulic press die punch lifter, comprising a pusher, an auxiliary frame, an extrusion plate and a replacement device, wherein the pusher is mounted on the surface of the auxiliary frame, the extrusion plate is arranged below the pusher, the replacement device is arranged on the surface of the pusher, the replacement device comprises a main disk, the main disk is fixedly connected to the driving end of the pusher, the main disk is in contact with the upper surface of the extrusion plate, the upper surface of the extrusion plate is fixedly connected with a positioning block, the main disk is sleeved on the surface of the positioning block, and the driving end of the pusher The inner surface is slidably connected with a slide bar, which is located above the extrusion plate, and the bottom end of the slide bar is fixedly connected with an insert plate, which is plugged into the inner surface of the positioning block. The inner surface of the extrusion plate is slidably connected with a positioning bar, which is located below the propeller, and the driving end of the propeller is rotatably connected with a positioning rod, which is threadedly connected to the inner surface of the slide bar, and a limiting spring is fixedly connected between the positioning bar and the extrusion plate, and the limiting spring is located below the propeller. The limiting spring can cooperate with the positioning bar and the limiting spring to achieve the purpose of pushing the positioning bar to slide.

[0006] Preferably, the surface of the auxiliary frame is slidably connected to a frame, the extrusion plate contacts the surface of the frame, the positioning strip is plugged into the inner surface of the frame, and the frame can cooperate with the auxiliary frame to guide the frame to slide.

[0007] Preferably, the driving end of the propeller is provided with a sealing device, and the sealing device includes a positioning plate, and the positioning plate is fixedly connected to the driving end of the propeller. The positioning plate is located above the extrusion plate, and the positioning plate can cooperate with the driving end of the propeller to achieve the purpose of supporting the positioning plate.

[0008] Preferably, the surface of the driving end of the thruster is slidably connected with a blocking plate, and the blocking plate is located above the positioning plate. A pushing spring is fixedly connected between the blocking plate and the positioning plate, and the pushing spring is wound on the driving end of the thruster. The blocking plate can cooperate with the positioning plate, the driving end of the thruster and the pushing spring to achieve the purpose of guiding the blocking plate to slide.

[0009] Preferably, the surface of the auxiliary frame is sleeved with a positioning sleeve, the blocking plate is plugged into the lower surface of the positioning sleeve, and the positioning sleeve can cooperate with the auxiliary frame to achieve the purpose of supporting the positioning sleeve.

[0010] Preferably, the inner surface of the positioning sleeve is threadedly connected to a limiting block, and the limiting block is threadedly connected to the inner surface of the auxiliary frame. The positioning sleeve can cooperate with the limiting block to achieve the purpose of limiting the sliding of the positioning sleeve.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] 1. In the utility model, by arranging a replacement device, when the hydraulic press die punch lifter is in use, it is convenient for workers to replace the punch, use equipment, the equipment uses a pump as a power source to achieve the purpose of pushing the punch, the worker uses an auxiliary tool to rotate the positioning rod, the positioning rod pushes the slide bar in the direction away from the positioning block through the thread, the slide bar slides and drives the plug plate, the plug plate slides and disengages from the positioning block, pushes the positioning bar, the positioning bar is guided and slides by the inner side of the extrusion plate, when the positioning bar is separated from the frame, the propeller is started, and the driving end of the propeller drives the main disk to disengage from the positioning block, and the extrusion plate is pulled out to complete the replacement, and the replacement device is arranged, which effectively facilitates the workers to replace the punch, and when the hydraulic press die punch lifter is in use, the plug plate is adjusted, so that the workers can avoid the time-consuming and laborious situation in the process of replacing the punch, thereby improving the practicability of the hydraulic press die punch lifter, improving the auxiliary performance of the hydraulic press die punch lifter, and improving the convenience of workers in replacing the punch. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A three-dimensional structural diagram of a hydraulic press die punch lifter is provided for the utility model;

[0014] Figure 2 The utility model provides a structural schematic diagram of a replacement device for a hydraulic press die punch lifter;

[0015] Figure 3 The utility model proposes a hydraulic press die punch lifter Figure 2 Schematic diagram of the structure at A in the middle;

[0016] Figure 4 The utility model provides a structural schematic diagram of a sealing device for a hydraulic press die punch lifter;

[0017] Figure 5 The utility model proposes a hydraulic press die punch lifter Figure 4 Schematic diagram of the structure at point B in the middle.

[0018] Legend:

[0019] 1. Propeller; 2. Auxiliary frame; 3. Replacement device; 31. Positioning rod; 32. Sliding bar; 33. Insert plate; 34. Positioning bar; 35. Pull spring; 36. Positioning block; 37. Main disk; 38. Frame; 4. Sealing device; 41. Limit block; 42. Push spring; 43. Positioning disk; 44. Blocking plate; 45. Positioning sleeve; 5. Extrusion plate. DETAILED DESCRIPTION

[0020] See also Figure 1-5 The utility model provides a technical solution: a hydraulic press die punch lifter, comprising a pusher 1, an auxiliary frame 2, an extrusion plate 5 and a replacement device 3, the pusher 1 is installed on the surface of the auxiliary frame 2, and the extrusion plate 5 is arranged below the pusher 1.

[0021] The specific configuration and function of the replacement device 3 and the sealing device 4 will be described in detail below.

[0022] In this embodiment: the replacement device 3 is arranged on the surface of the propeller 1, and the replacement device 3 includes a main disk 37, which is fixedly connected to the driving end of the propeller 1, and the main disk 37 is in contact with the upper surface of the extrusion plate 5. The upper surface of the extrusion plate 5 is fixedly connected with a positioning block 36, and the main disk 37 is sleeved on the surface of the positioning block 36. The inner surface of the driving end of the propeller 1 is slidably connected with a slide bar 32, and the slide bar 32 is located above the extrusion plate 5. The bottom end of the slide bar 32 is fixedly connected with a plug plate 33, and the plug plate 33 is plugged with the inner surface of the positioning block 36. The inner surface of the extrusion plate 5 is slidably connected with a positioning bar 34, and the positioning bar 34 is located below the propeller 1. The driving end of the propeller 1 is rotatably connected with a positioning rod 31, and the positioning rod 31 is threadedly connected to the inner surface of the slide bar 32.

[0023] Specifically, a limit spring 35 is fixedly connected between the positioning bar 34 and the extrusion plate 5 , and the limit spring 35 is located below the thruster 1 . The limit spring 35 can cooperate with the positioning bar 34 and the limit spring 35 to achieve the purpose of pushing the positioning bar 34 to slide.

[0024] Specifically, the surface of the auxiliary frame 2 is slidably connected with the frame 38 , the extrusion plate 5 is in contact with the surface of the frame 38 , and the positioning strip 34 is plugged into the inner surface of the frame 38 .

[0025] In this embodiment, the frame 38 can cooperate with the auxiliary frame 2 to achieve the purpose of guiding the frame 38 to slide.

[0026] In this embodiment: a sealing device 4 is provided at the driving end of the propeller 1, and the sealing device 4 includes a positioning plate 43, which is fixedly connected to the driving end of the propeller 1. The positioning plate 43 is located above the extrusion plate 5, and the positioning plate 43 can cooperate with the driving end of the propeller 1 to achieve the purpose of supporting the positioning plate 43.

[0027] Specifically, a blocking plate 44 is slidably connected to the surface of the driving end of the propeller 1 , and the blocking plate 44 is located above the positioning plate 43 . A push spring 42 is fixedly connected between the blocking plate 44 and the positioning plate 43 , and the push spring 42 is wound around the driving end of the propeller 1 .

[0028] In this embodiment, the blocking plate 44 can cooperate with the positioning plate 43, the driving end of the propeller 1, and the push spring 42 to achieve the purpose of guiding the blocking plate 44 to slide.

[0029] Specifically, the surface of the auxiliary frame 2 is sleeved with a positioning sleeve 45 , the blocking plate 44 is plugged into the lower surface of the positioning sleeve 45 , and the positioning sleeve 45 can cooperate with the auxiliary frame 2 to achieve the purpose of supporting the positioning sleeve 45 .

[0030] Specifically, the inner surface of the positioning sleeve 45 is threadedly connected to the limiting block 41 , and the limiting block 41 is threadedly connected to the inner surface of the auxiliary frame 2 .

[0031] In this embodiment, the positioning sleeve 45 can cooperate with the limiting block 41 to achieve the purpose of limiting the sliding of the positioning sleeve 45.

[0032] Working principle: by setting the replacement device 3, when the hydraulic press die punch lifter is in use, it is convenient for the worker to replace the punch, and the equipment is used. The equipment uses a pump as a power source to achieve the purpose of pushing the punch. The worker uses an auxiliary tool to rotate the positioning rod 31, and the positioning rod 31 pushes the slide bar 32 in the direction away from the positioning block 36 through the thread. The slide bar 32 slides and drives the plug plate 33, and the plug plate 33 slides and disengages from the positioning block 36, pushing the positioning bar 34, and the positioning bar 34 is guided and slides by the inner side of the extrusion plate 5. When the positioning bar 34 is separated from the frame 38, the propeller 1 is started, and the driving end of the propeller 1 drives the main disk 37 to disengage from the positioning block 36, and the extrusion plate 5 is pulled out to complete the replacement. By setting the replacement device 3, it is effectively convenient for the worker to replace the punch. When the hydraulic press die punch lifter is in use, the plug plate 33 is adjusted to avoid the time-consuming and laborious situation of the worker in the process of replacing the punch, thereby improving the practicality of the hydraulic press die punch lifter and improving the hydraulic press die punch. The auxiliary nature of the lifter improves the convenience of workers in replacing punches. In addition, by setting up the sealing device 4, when the hydraulic press mold punch lifter is in use, the lubricating oil flowing on the extrusion plate 5 is reduced. The equipment is used, and the equipment uses a pump as a power source to achieve the purpose of pushing the punch. The positioning sleeve 45 is placed in the specified position, and the positioning sleeve 45 blocks the gap between the propeller 1 and the driving end, and the limit block 41 is rotated. The limit block 41 limits the sliding of the positioning sleeve 45, and the plugging plate 44 is loosened. The push spring 42 pushes the plugging plate 44 to slide. The plugging plate 44 is guided by the driving end of the propeller 1 and slides. The plugging plate 44 slides and is inserted into the positioning sleeve 45 to complete the sealing. By setting up the sealing device 4, the lubricating oil flowing on the extrusion plate 5 is effectively reduced. When the hydraulic press mold punch lifter is in use, the positioning sleeve 45 is installed to avoid oil pollution affecting the worker's replacement of the punch, thereby improving the practicality of the hydraulic press mold punch lifter, improving the auxiliary nature of the hydraulic press mold punch lifter, and improving the sealing of the hydraulic press mold punch lifter.

Claims

1. A hydraulic press die punch lifter, comprising a pusher (1), an auxiliary frame (2), an extrusion plate (5) and a replacement device (3), characterized in that: The propeller (1) is mounted on the surface of the auxiliary frame (2); the extrusion plate (5) is arranged below the propeller (1); the replacement device (3) is arranged on the surface of the propeller (1); the replacement device (3) comprises a main disk (37); the main disk (37) is fixedly connected to the driving end of the propeller (1); the main disk (37) is in contact with the upper surface of the extrusion plate (5); the upper surface of the extrusion plate (5) is fixedly connected with a positioning block (36); the main disk (37) is sleeved on the surface of the positioning block (36); the propeller (1) The inner surface of the driving end is slidably connected to a slide bar (32), the slide bar (32) is located above the extrusion plate (5), the bottom end of the slide bar (32) is fixedly connected to an insert plate (33), the insert plate (33) is plugged into the inner surface of the positioning block (36), the inner surface of the extrusion plate (5) is slidably connected to a positioning bar (34), the positioning bar (34) is located below the propeller (1), the driving end of the propeller (1) is rotatably connected to a positioning rod (31), and the positioning rod (31) is threadedly connected to the inner surface of the slide bar (32).

2. The hydraulic press die punch lifter according to claim 1, characterized in that: A limit spring (35) is fixedly connected between the positioning strip (34) and the extrusion plate (5), and the limit spring (35) is located below the propeller (1).

3. The hydraulic press die punch lifter according to claim 1, characterized in that: The surface of the auxiliary frame (2) is slidably connected to a frame (38), the extrusion plate (5) is in contact with the surface of the frame (38), and the positioning strip (34) is plugged into the inner surface of the frame (38).

4. The hydraulic press die punch lifter according to claim 1, characterized in that: The driving end of the propeller (1) is provided with a sealing device (4), and the sealing device (4) comprises a positioning plate (43). The positioning plate (43) is fixedly connected to the driving end of the propeller (1), and the positioning plate (43) is located above the extrusion plate (5).

5. The hydraulic press die punch lifter according to claim 4, characterized in that: A blocking plate (44) is slidably connected to the surface of the driving end of the propeller (1), and the blocking plate (44) is located above the positioning plate (43). A pushing spring (42) is fixedly connected between the blocking plate (44) and the positioning plate (43), and the pushing spring (42) is wound around the driving end of the propeller (1).

6. The hydraulic press die punch lifter according to claim 5, characterized in that: The surface of the auxiliary frame (2) is sleeved with a positioning sleeve (45), and the blocking plate (44) is plugged into the lower surface of the positioning sleeve (45).

7. The hydraulic press die punch lifter according to claim 6, characterized in that: The inner surface of the positioning sleeve (45) is threadedly connected to the limiting block (41), and the limiting block (41) is threadedly connected to the inner surface of the auxiliary frame (2).

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