Four-column hydraulic press with telescopic protection mechanism

Abstract

The utility model relates to the technical field of four-column hydraulic machines, in particular to a four-column hydraulic machine with a telescopic protection mechanism, which comprises a base and supporting columns, the surface of the base is fixedly connected with a plurality of groups of supporting columns, lifting devices are symmetrically arranged in the base, a turnover device is arranged on the surface of the base, and the turnover device is connected with the telescopic protection mechanism. According to the four-column hydraulic machine with the telescopic protection mechanism, through cooperation of the lifting device and the turnover device, the push rod can push the turnover plate to rotate, the turnover plate can rotate by 90 degrees, the turnover plate can rotate by 90 degrees, and therefore the turnover plate can rotate by 90 degrees; the turning plate and the vertical plate can shield the two sides of a workpiece, the periphery of the workpiece can be shielded, the protection effect of the device is better, the baffle and the pressing plate synchronously ascend and descend, but the baffle does not make contact with the pressing plate, the probability that the device is damaged is reduced, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of four-column hydraulic presses, in particular to a four-column hydraulic press with a telescopic protection mechanism. Background Art

[0002] The four-column hydraulic press, also known as the oil press, is a machine that uses liquid pressure transmission based on Pascal's law. It is mainly 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.

[0003] For example, a four-column hydraulic press with a retractable protection mechanism with the authorization announcement number "CN219789368U" can provide splash protection for the pressure-bearing workpiece through the combination of multiple first tie rods and multiple second tie rods, and the multiple combined first tie rods and second tie rods expand and contract as the pressure plate freely rises and falls, thereby effectively ensuring that the pressure-bearing workpiece will not break and splash due to force, causing damage to the workers near the hydraulic press. The device is combined by multiple groups of tie rods, so that the multiple groups of tie rods can isolate the processed workpieces, etc., but the multiple groups of tie rods in the device will move synchronously with the hydraulic press, and there are several connection points between the multiple groups of tie rods. When one of them is damaged, the entire group of tie rods will be crushed by the hydraulic cylinder, reducing the practicality of the device. At the same time, there will still be gaps between the multiple groups of tie rods in the device, and some splashed debris will fly out. At the same time, the device is not convenient for all-round sealing of the workpiece, so the protection effect of the device is poor. Utility Model Content

[0004] The utility model aims to solve the problems of low practicability and poor protection effect of the device and proposes a four-column hydraulic press with a telescopic protection mechanism.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A four-column hydraulic press with a retractable protection mechanism is designed, comprising a base and support columns, wherein the surface of the base is fixedly connected to multiple groups of support columns, a lifting device is symmetrically arranged inside the base, a flip device is arranged on the surface of the base, one end of multiple groups of support columns are fixedly connected to a fixed plate, a vertical plate is fixedly connected to the surface of the base, a straight plate is fixedly connected to the surface of the base, the surface of the fixed plate is fixedly connected to an outer shell, and the inner surface of the outer shell is fixedly connected to a first hydraulic cylinder.

[0007] Preferably, the flipping device includes a second hydraulic cylinder and a fixed box, the fixed box is fixedly connected to the base surface, the inner surface of the fixed box is fixedly connected to the second hydraulic cylinder, the telescopic end of the second hydraulic cylinder is fixedly connected to a push rod, one end of the push rod passes through the surface of the fixed box and is tightly pressed against the surface of the flap, the surface of the flap is movably connected to the surfaces of two groups of support blocks through a pin shaft, and the support blocks on both sides are fixedly connected to the surface of the base.

[0008] Preferably, the telescopic end of the first hydraulic cylinder passes through the surface of the outer shell and is fixedly connected to a connecting block, and the connecting block is fixedly connected to the surface of the pressure plate.

[0009] Preferably, the pressure plate is slidably connected to the surfaces of the plurality of support columns via through holes provided on the surface, and the straight plate surface is movably and slidably connected to one end of the flap.

[0010] Preferably, the base surface is symmetrically provided with openings, and one end of the flap is circularly arc-shaped.

[0011] Preferably, the lifting device includes a motor and a threaded rod, the output shaft of the motor is fixedly connected to one end of the threaded rod through a reduction gearbox, the reduction gearbox is fixedly connected to the inner surface of the base, the surface of the reduction gearbox is fixedly connected to the motor through a bracket, one end of the threaded rod is rotatably connected to the inner surface of the base through a bearing, the surface of the threaded rod is threadedly connected to the threaded block, the surface of the threaded block is slidably engaged with a slideway opened on the inner surface of the base, the surface of the threaded block is movably connected to one end of the transmission rod through a pin shaft, one end of the transmission rod is movably connected to a protruding part of the baffle surface through the pin shaft, the baffle passes through the base surface through an opening opened on the base surface, and the protruding part of the baffle surface is slidably engaged with a slideway opened on the inner surface of the base.

[0012] The utility model proposes a four-column hydraulic press with a retractable protection mechanism, the beneficial effect of which is that through the cooperation of the lifting device and the flipping device, while the pressure plate moves downward, the output shafts of the motors on both sides rotate to drive the threaded rod to rotate, so that the threaded rod can drive the threaded block to move, so that the threaded block can pull the transmission rod to move, so that the transmission rod can drive the baffle to move downward, so that the baffles on both sides can be synchronously lowered with the pressure plate, after the workpiece is placed, the telescopic end of the second hydraulic cylinder extends to drive the push rod to move, so that the push rod can push the flap to rotate, so that the flap can be rotated 90°, so that the flap and the vertical plate can block both sides of the workpiece, and the surrounding of the workpiece can be blocked to make the protection effect of the device better, and the baffle and the pressure plate are lifted and lowered synchronously, but the baffle does not contact the pressure plate, so the probability of the device being damaged is reduced, thereby improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 for Figure 1 A front cross-sectional view of

[0015] Figure 3 for Figure 1 A top sectional view of

[0016] Figure 4 for Figure 2 Schematic diagram of part A;

[0017] Figure 5 for Figure 2 Schematic diagram of part B.

[0018] In the figure: 1. base, 2. lifting device, 201. motor, 202. threaded block, 203. baffle, 204. transmission rod, 205. threaded rod, 3. vertical plate, 4. connecting block, 5. first hydraulic cylinder, 6. shell, 7. fixed plate, 8. support column, 9. turning device, 901. second hydraulic cylinder, 902. flap, 903. fixed box, 904. push rod, 905, support block, 10. pressure plate, 11. straight plate. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings:

[0020] See attached Figure 1-5 In the present embodiment, a four-column hydraulic press with a retractable protection mechanism comprises a base 1 and a support column 8. A plurality of groups of support columns 8 are fixedly connected to the surface of the base 1. A lifting device 2 is symmetrically arranged inside the base 1. A flip device 9 is arranged on the surface of the base 1. One end of the plurality of support columns 8 are fixedly connected to a fixed plate 7. The four groups of support columns 8 can support and fix the fixed plate 7. A vertical plate 3 is fixedly connected to the surface of the base 1. The vertical plate 3 can block one side of the base 1. A straight plate 11 is fixedly connected to the surface of the base 1. The surface of the fixed plate 7 is fixedly connected to an outer shell 6. The inner surface of the outer shell 6 is fixedly connected to a first hydraulic cylinder 5. The first hydraulic cylinder 5 can meet the working needs according to actual needs. The first hydraulic cylinder 5 can drive the connecting The connecting block 4 moves, and the telescopic end of the first hydraulic cylinder 5 passes through the surface of the shell 6 and is fixedly connected to the connecting block 4. The connecting block 4 is fixedly connected to the surface of the pressure plate 10. The connecting block 4 can drive the pressure plate 10 to move. The pressure plate 10 is slidingly connected to the surfaces of multiple groups of support columns 8 through the through holes opened on the surface. The surface of the straight plate 11 is movably and slidingly connected to one end of the flap 902. After the flap 902 is rotated 90°, the surface of the flap 902 can be fitted with the surface of the straight plate 11, so that the straight plate 11 can fix the rotation angle of the flap 902. Openings are symmetrically opened on the surface of the base 1, and one end of the flap 902 is processed with an arc. The arc treatment can facilitate the flap 902 to rotate while fitting on the surface of the straight plate 11.

[0021] See attached Figure 1-5 : The flipping device 9 includes a second hydraulic cylinder 901 and a fixed box 903. The fixed box 903 is fixedly connected to the surface of the base 1. The inner surface of the fixed box 903 is fixedly connected to the second hydraulic cylinder 901. The second hydraulic cylinder 901 can meet the working needs according to actual needs. The telescopic end of the second hydraulic cylinder 901 is fixedly connected to a push rod 904. The second hydraulic cylinder 901 can drive the push rod 904 to move synchronously. One end of the push rod 904 penetrates the surface of the fixed box 903 and is tightly pressed against the surface of the flap 902. The push rod 904 can drive the flap 902 to rotate. The surface of the flap 902 is movably connected to the surfaces of two groups of support blocks 905 through a pin shaft. The support blocks 905 on both sides can fix the rotation center of the flap 902. The support blocks 905 on both sides are fixedly connected to the surface of the base 1.

[0022] See attached Figure 1-5 The lifting device 2 includes a motor 201 and a threaded rod 205. The output shaft of the motor 201 is fixedly connected to one end of the threaded rod 205 through a reduction gearbox. The motor 201 can drive the threaded rod 205 to rotate. The motor 201 can meet the working needs according to actual needs. The reduction gearbox is fixedly connected to the inner surface of the base 1. The surface of the reduction gearbox is fixedly connected to the motor 201 through a bracket. One end of the threaded rod 205 is rotatably connected to the inner surface of the base 1 through a bearing. The surface of the threaded rod 205 is threadedly connected to the threaded block 202. The threaded rod 205 can drive the threaded block 202 to move. The threaded block 202 The surface is slidably engaged with the slideway opened on the inner surface of the base 1 to fix the movement track of the threaded block 202. The surface of the threaded block 202 is movably connected to one end of the transmission rod 204 through a pin shaft. The threaded block 202 can drive the transmission rod 204 to move. One end of the transmission rod 204 is movably connected to the protruding part of the surface of the baffle 203 through the pin shaft. The transmission rod 204 can drive the baffle 203 to move. The baffle 203 passes through the surface of the base 1 through the opening opened on the surface of the base 1. The protruding part of the surface of the baffle 203 is slidably engaged with the slideway opened on the inner surface of the base 1 to fix the movement track of the baffle 203.

[0023] Working principle:

[0024] When protecting the four-column hydraulic press, place the workpiece on the surface of the base 1, connect the external power supply of the first hydraulic cylinder 5, start the telescopic end of the first hydraulic cylinder 5 to extend and drive the connecting block 4 to move. The movement of the connecting block 4 can drive the pressing plate 10 to move downward, so that the pressing plate 10 can compress the workpiece.

[0025] Protection process:

[0026] While the pressing plate 10 moves downward, the external power supply of the motors 201 on both sides is connected, and the output shafts of the motors 201 on both sides are started to rotate to drive the threaded rod 205 to rotate, so that the threaded rod 205 can drive the threaded block 202 to move, so that the threaded block 202 can pull the transmission rod 204 to move, so that the transmission rod 204 can drive the baffle 203 to move downward, so that the baffles 203 on both sides can be synchronously lowered with the pressing plate 10. After placing the workpiece, the external power supply of the second hydraulic cylinder 901 is connected, and the telescopic end of the second hydraulic cylinder 901 is started to extend to drive the push rod 904 to move, so that the push rod 904 can push the flap 902 to rotate, so that the flap 902 can rotate 90°, so that the flap 902 and the vertical plate 3 can cover both sides of the workpiece.

[0027] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A four-column hydraulic press with a retractable protection mechanism, comprising a base (1) and support columns (8), wherein a plurality of groups of support columns (8) are fixedly connected to the surface of the base (1), characterized in that: The base (1) is symmetrically provided with a lifting device (2) inside, the base (1) is provided with a flipping device (9) on its surface, one end of each of the plurality of support columns (8) is fixedly connected to a fixed plate (7), a vertical plate (3) is fixedly connected to the surface of the base (1), a straight plate (11) is fixedly connected to the surface of the base (1), the surface of the fixed plate (7) is fixedly connected to a shell (6), the inner surface of the shell (6) is fixedly connected to a first hydraulic cylinder (5), and the flipping device (9) includes a second hydraulic cylinder (901) and a fixed box (903), the fixed box (903) being fixedly connected to the surface of the base (1), the inner surface of the fixed box (903) being fixedly connected to a second hydraulic cylinder (901), the telescopic end of the second hydraulic cylinder (901) being fixedly connected to a push rod (904), one end of the push rod (904) passing through the surface of the fixed box (903) and being tightly pressed against the surface of the flap (902), the surface of the flap (902) being movably connected to the surfaces of two groups of support blocks (905) via a pin shaft, and the support blocks (905) on both sides are 5) are fixedly connected to the surface of the base (1), the lifting device (2) comprises a motor (201) and a threaded rod (205), the output shaft of the motor (201) is fixedly connected to one end of the threaded rod (205) through a reduction gear box, the reduction gear box is fixedly connected to the inner surface of the base (1), the surface of the reduction gear box is fixedly connected to the motor (201) through a bracket, one end of the threaded rod (205) is rotatably connected to the inner surface of the base (1) through a bearing, and the surface of the threaded rod (205) is connected to the threaded block (202) ) is threadedly connected, the surface of the threaded block (202) is slidably engaged with a slideway provided on the inner surface of the base (1), the surface of the threaded block (202) is movably connected with one end of a transmission rod (204) via a pin shaft, one end of the transmission rod (204) is movably connected with a protruding portion of the surface of a baffle (203) via a pin shaft, the baffle (203) passes through the surface of the base (1) through an opening provided on the surface of the base (1), and the protruding portion of the surface of the baffle (203) is slidably engaged with a slideway provided on the inner surface of the base (1).

2. A four-column hydraulic press with a retractable protection mechanism according to claim 1, characterized in that: The telescopic end of the first hydraulic cylinder (5) passes through the surface of the outer shell (6) and is fixedly connected to the connecting block (4), and the connecting block (4) is fixedly connected to the surface of the pressing plate (10).

3. A four-column hydraulic press with a retractable protection mechanism according to claim 2, characterized in that: The pressing plate (10) is slidably connected to the surfaces of the plurality of support columns (8) via through holes provided on the surface, and the surface of the straight plate (11) is movably slidably connected to one end of the flap (902).

4. A four-column hydraulic press with a retractable protection mechanism according to claim 3, characterized in that: The surface of the base (1) is symmetrically provided with openings, and one end of the flap (902) is arc-shaped.

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