Adjustable damping device for press machine

Abstract

The utility model discloses an adjustable damping device for a press machine, which belongs to the technical field of damping of press machines and comprises a bottom plate, supporting columns are fixedly connected to two ends of the bottom plate, a top plate is fixedly connected to one end, far away from the bottom plate, of each supporting column, a supporting plate is arranged at the top of the bottom plate, and a pressing block and a bearing plate are arranged between the supporting plate and the bottom plate. A damping mechanism is arranged between the supporting plate and the top plate, and an air cylinder for driving the pressing block to adjust the distance is installed at the top of the top plate. By arranging the damping mechanism, the distance between the first sliding block and the second sliding block can be adjusted under the action of the first threaded bolt and the second threaded bolt, so that adjustment can be performed according to the pressure of the press machine, the vibration amplitude of the supporting plate in the moving process is reduced, the smoothness of the supporting plate in the moving process is guaranteed, and the service life of the supporting plate is prolonged. The damage rate of the device is reduced, and the service life is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pressure machine damping device field, specifically a kind of adjustable damping device for pressure machine. BACKGROUND

[0002] Pressure machine (including punch, hydraulic machine) is a kind of general-purpose press with exquisite structure.It has the characteristics of wide application and high production efficiency, and pressure machine can be widely applied to cutting, punching, blanking, bending, riveting and forming processes.Processing into parts by exerting great pressure on metal blanks to make metal plastic deformation and fracture.The existing pressure machine lacks damping device when using, and when extruding the goods, violent vibration often occurs due to excessive impact force, which can damage the internal parts of the pressure machine and cause wear and tear.

[0003] A kind of damping device for pressure machine is disclosed in Chinese patent (publication number CN220742265U), which can adjust the angle of pressure machine by adjusting foot during use, so that pressure machine is in parallel state during work, to prevent pressure machine from tilting during work and causing safety accidents;But the patent can play a damping role when using, but cannot be adjusted according to different pressure of pressure machine, so that pressure machine can have different damping effect under different pressure, thereby reducing the amplitude of pressure machine vibration.Therefore, the utility model provides a kind of adjustable damping device for pressure machine to solve the problems mentioned above. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of adjustable damping device for pressure machine to solve the problems mentioned in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A kind of adjustable damping device for pressure machine, including bottom plate, the both ends of the bottom plate are fixedly connected with support column, the end away from bottom plate of the support column is fixedly connected with top plate, the top of the bottom plate is provided with support plate, the support plate and bottom plate are provided with pressure block and pressure receiving plate, the support plate and top plate are provided with damping mechanism, the top of the top plate is installed with the air cylinder for driving pressure block to adjust distance.

[0007] As a further scheme of the utility model, the damping mechanism comprises a first sliding block, first fixed rods are fixedly connected to the inner cavities of the two ends of the first sliding block, rotating sleeves are rotatably connected to the peripheries of the first fixed rods, second sliding blocks are arranged on the sides of the rotating sleeves, support rods are slidably connected to the peripheries of the second sliding blocks, the peripheries of the support rods are slidably connected to the sides of the support plates, and the two ends of the support rods are fixedly connected to the bottom plate and the top plate respectively.

[0008] As a further scheme of the utility model, first telescopic rods are slidably connected to the inner cavities of the first sliding blocks, one end of each first telescopic rod is fixedly connected to the output end of a cylinder, the bottom end of each first telescopic rod is fixedly connected to the top of the support plate, first springs are arranged on the peripheries of the first telescopic rods, and the two ends of each first spring are fixedly connected to the first sliding block and the support plate respectively.

[0009] As a further scheme of the utility model, sleeves are arranged between the first sliding block and the second sliding block, connecting rods are fixedly connected to the two ends of the sleeve, one end of one of the connecting rods is fixedly connected to the periphery of the rotating sleeve, and one end of the other connecting rod is rotatably connected to the side of the second sliding block, and the connecting rods serve to connect the sleeve.

[0010] As a further scheme of the utility model, second springs are arranged in the inner cavities of the sleeves, one end of each second spring is fixedly connected to the inner cavity of the sleeve, the other end of each second spring is fixedly connected to a limiting sliding block, pull rods are arranged in the inner cavities of the second springs, the pull rods are slidably connected to the sides of the sleeves, one end of each pull rod is fixedly connected to the side of the limiting sliding block, and the other end of each limiting sliding block is fixedly connected to the end of the connecting rod that is away from the rotating sleeve, and the limiting sliding blocks serve to limit the second springs.

[0011] As a further scheme of the utility model, first threaded bolts and second threaded bolts for adjusting sliding distances are threadedly rotatably connected to the sides of the first sliding block and the second sliding block respectively, the bottom of each first threaded bolt abuts against the periphery of the first telescopic rod, and the bottom of each second threaded bolt abuts against the periphery of the support rod, and the first threaded bolts and the second threaded bolts can control the movement of the first sliding block and the second sliding block.

[0012] As a further scheme of the utility model, the both sides of the support plate are fixedly connected with third springs, the third springs are arranged on the periphery of the support rod, the ends of the third springs away from the support plate are fixedly connected with the bottom plate and the second sliding block respectively, the support plate is fixedly connected with the pressing block, the pressure bearing plate is located at the bottom of the pressing block, the pressure bearing plate is fixedly connected with the bottom plate, two limiting screws are threadedly rotatably sleeved with the side portions of the support plate, the both ends of the limiting screws are threadedly rotatably sleeved with nuts, and the limiting screws can protect the pressure bearing plate.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1、The utility model discloses when using, through setting shock attenuation mechanism, can play distance adjustment effect to first sliding block and second sliding block under the action of first screw bolt and second screw bolt, can adjust according to the pressure of pressure machine, reduce the vibration amplitude of support plate in the moving process, guarantee the fluency when support plate moves, reduce the damage rate of this device, improve the service life.

[0015] 2、The utility model discloses when using, through setting limiting screw and nut, can play the preventive effect to the pressing distance of pressing block, avoid the damage of the pressing distance of pressing block to pressure bearing plate. DRAWINGS

[0016] Figure 1 It is a kind of adjustable shock attenuation device for the structure diagram of pressure machine.

[0017] Figure 2 It is a kind of adjustable shock attenuation device for the plane structure diagram of pressure machine.

[0018] Figure 3 It is a kind of shock attenuation mechanism in adjustable shock attenuation device for pressure machine.

[0019] Figure 4 It is a kind of adjustable shock attenuation device for pressure machine in Figure 3 A structure enlarged view in place.

[0020] In the drawing: 1, bottom plate;2, support column;3, top plate;4, cylinder;5, pressure bearing plate;6, support plate;7, pressing block;8, third spring;9, support rod;10, limiting screw;11, nut;12, first sliding block;13, rotating drum;14, first fixed rod;15, first telescopic rod;16, first spring;17, first screw bolt;18, connecting rod;19, second sliding block;20, second screw bolt;21, sleeve;22, pull rod;23, second spring;24, limiting sliding block. DETAILED DESCRIPTION

[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0022] Embodiment one: please refer to Figure 1 - Figure 4 In the embodiments of the present application, the adjustable damping device for a press machine comprises a bottom plate 1, support columns 2 fixedly connected to both ends of the bottom plate 1, a top plate 3 fixedly connected to the ends of the support columns 2 away from the bottom plate 1, a support plate 6 arranged on the top of the bottom plate 1, a pressing block 7 and a pressure bearing plate 5 arranged between the support plate 6 and the bottom plate 1, a damping mechanism arranged between the support plate 6 and the top plate 3, a cylinder 4 for driving the pressing block 7 to adjust the distance, the cylinder 4 being arranged at the top of the top plate 3, a clamping block arranged at the bottom of the cylinder 4, the clamping block being fixedly connected to the top plate 3 through threaded pegs, the clamping block being capable of supporting the cylinder 4 and increasing the width of the top of the top plate 3 to meet the installation requirements of the cylinder 4;

[0023] Please refer to Figure 3 The damping mechanism comprises a first sliding block 12, first fixed rods 14 fixedly connected to the inner cavities of both ends of the first sliding block 12, hinge seats fixedly sleeved on both ends of the first fixed rods 14, the hinge seats being fixedly connected to the side portions of the first sliding block 12 to realize the fixed connection of both ends of the first fixed rods 14 and the first sliding block 12, a rotating cylinder 13 rotatably sleeved on the periphery of the first fixed rods 14, a second sliding block 19 arranged on the side portion of the rotating cylinder 13, a support rod 9 slidably sleeved on the periphery of the second sliding block 19, the support rod 9 being slidably sleeved on the side portion of the support plate 6 and fixedly connected to the bottom plate 1 and the top plate 3 at both ends thereof;

[0024] Please refer to Figure 3The inner cavity of the first sliding block 12 is sleeved with the first telescopic rod 15, one end of the first telescopic rod 15 is fixedly connected with the output end of the air cylinder 4, the first sliding block 12 is specifically sleeved with the smaller diameter end of the first telescopic rod 15, so as to adapt to the sliding demand of the first telescopic rod 15, and the telescopic support plate 6 moves back and forth, so as to play a damping role in the movement of the support plate 6, prevent the support plate 6 from being broken under the action of inertia, the bottom end of the first telescopic rod 15 is fixedly connected with the top of the support plate 6, the first telescopic rod 15 is provided with the first spring 16, the two ends of the first spring 16 are fixedly connected with the first sliding block 12 and the support plate 6 respectively, the support block is fixedly connected on the top of the support plate 6, the end of the first telescopic rod 15 away from the movable end of the air cylinder 4 and the end of the first spring 16 away from the first sliding block 12 are fixedly connected with the support block, not directly connected with the support plate 6, so that the width of the support plate 6 is not too narrow, and the connection is not easy to occur;

[0025] Please refer to Figure 3 and Figure 4 The sleeve 21 is arranged between the first sliding block 12 and the second sliding block 19, both ends of the sleeve 21 are fixedly connected with the connecting rods 18, one end of one of the connecting rods 18 away from the sleeve 21 is fixedly connected with the periphery of the rotating drum 13, one end of the other connecting rod 18 away from the sleeve 21 is rotatably sleeved on the side of the second sliding block 19, the two ends of the sleeve 21 can be rotated under the action of the two connecting rods 18, so as to adapt to the movement of the support plate 6 driven by the telescopic movement of the first telescopic rod 15, so as to play a damping role in the movement of the support plate 6, avoid the reverse force of the support plate 6 under the action of inertia, and cause extrusion and breakage.

[0026] Embodiment two: please refer to Figure 1 - Figure 4 On the basis of embodiment 1, the inner cavity of the sleeve 21 is provided with the second spring 23, one end of the second spring 23 is fixedly connected with the inner cavity of the sleeve 21, the other end of the sleeve 21 is fixedly connected with the limiting sliding block 24, the inner cavity of the second spring 23 is provided with the pull rod 22, the pull rod 22 is sleeved on the side of the sleeve 21, a sliding groove larger than the diameter of the second spring 23 is formed in the inner cavity of the sleeve 21, so that the second spring 23 can slide in the inner cavity of the sleeve 21, and the limiting sliding block 24 can limit the second spring 23, one end of the pull rod 22 is fixedly connected with the side of the limiting sliding block 24, the other end of the limiting sliding block 24 is fixedly connected with the end of the connecting rod 18 away from the rotating drum 13;

[0027] Please refer to Figure 3The side portions of the first sliding block 12 and the second sliding block 19 are respectively threadedly sleeved with a first threaded bolt 17 and a second threaded bolt 20 for adjusting sliding distance, the bottom of the first threaded bolt 17 abuts against the periphery of the first telescopic rod 15, the bottom of the second threaded bolt 20 abuts against the periphery of the supporting rod 9, the positions of the first sliding block 12 and the second sliding block 19 can be adjusted under the action of the first threaded bolt 17 and the second threaded bolt 20, thereby the distance between the supporting plate 6 and the first sliding block 12 and the second sliding block 19 is adjusted, and the supporting plate 6 is subjected to different degrees of damping effect;

[0028] Please refer to Figure 1 and Figure 2 The two side portions of the supporting plate 6 are fixedly connected with third springs 8, the third springs 8 are arranged on the periphery of the supporting rod 9, the ends, away from the supporting plate 6, of the third springs 8 are fixedly connected with the bottom plate 1 and the second sliding block 19 respectively, the supporting plate 6 is fixedly connected with the pressing block 7, the pressure bearing plate 5 is located at the bottom of the pressing block 7, the pressure bearing plate 5 is fixedly connected with the bottom plate 1, the side portion of the supporting plate 6 is threadedly sleeved with two limiting screw rods 10, the two ends of the limiting screw rod 10 are threadedly sleeved with nuts 11 respectively, the length of the limiting screw rod 10 can be limited through the nuts 11, and the contact distance between the bottom end of the limiting screw rod 10 and the bottom plate 1 is less than the distance between the pressing block 7 and the pressure bearing plate 5, so that the downward pressing distance of the pressing block 7 can be prevented, and the damage of the pressure bearing plate 5 caused by the excessive downward pressing distance of the pressing block 7 is avoided.

[0029] The working principle of the utility model is: when the press is needed to be used, the driving cylinder 4 is needed to be driven first, the driving of the cylinder 4 can drive the first telescopic rod 15 to perform telescopic movement, thereby driving the two ends of the supporting plate 6 to slide on the periphery of the supporting rod 9 and driving the pressing block 7 to move downward, so that the extrusion of the object is realized, in the process of the downward movement of the supporting plate 6, the third springs 8 on the two side portions of the supporting plate 6 are subjected to telescopic movement, not only the downward movement of the supporting plate 6 can be guided, but also the damage caused by the movement of the supporting plate 6 can be avoided.

[0030] In the process of using the device, through the rotation of the first threaded bolt 17, the first sliding block 12 can be driven to slide on the periphery of the first telescopic rod 15, thereby realizing the adjustment of the position of the first sliding block 12. At the same time, by adjusting the second threaded bolt 20, the second sliding block 19 can be realized to slide on the periphery of the supporting rod 9, thereby realizing the adjustment of the position of the second sliding block 19. Through the sliding adjustment of the first sliding block 12 and the second sliding block 19, the first spring 16 and the third spring 8 can be realized to be telescopic adjusted, thereby adjusting the elastic distance of the first spring 16 and the third spring 8, so as to reduce the vibration caused by the movement of the supporting plate 6 when the first telescopic rod 15 is driven to move in the telescopic process, and the supporting plate 6 can be realized to be shock-absorbed in the moving process, thereby ensuring the smoothness of the movement of the supporting plate 6, and further reducing the damage rate of the device, and further improving the service life of the device.

[0031] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An adjustable damping device for a press, comprising a base plate (1), characterized in that, Both ends of the bottom plate (1) are fixedly connected with support columns (2), one end of the support column (2) away from the bottom plate (1) is fixedly connected with a top plate (3), the top of the bottom plate (1) is provided with a support plate (6), the support plate (6) and the bottom plate (1) are provided with a pressing block (7) and a pressure bearing plate (5), the support plate (6) and the top plate (3) are provided with a damping mechanism, the top of the top plate (3) is provided with a cylinder (4) for driving the pressing block (7) to adjust the distance.

2. An adjustable damping device for a press according to claim 1, characterized in that The damping mechanism comprises a first sliding block (12), both ends of the first sliding block (12) are fixedly connected with first fixed rods (14), the outer periphery of the first fixed rod (14) is rotatably sleeved with a rotating cylinder (13), the side of the rotating cylinder (13) is provided with a second sliding block (19), the outer periphery of the second sliding block (19) is slidably sleeved with a support rod (9), the outer periphery of the support rod (9) is slidably sleeved with the side of the support plate (6), both ends of the support rod (9) are fixedly connected with the bottom plate (1) and the top plate (3) respectively.

3. An adjustable damping device for a press according to claim 2, characterized in that The inner cavity of the first sliding block (12) is slidably sleeved with a first telescopic rod (15), one end of the first telescopic rod (15) is fixedly connected with the output end of the cylinder (4), the bottom end of the first telescopic rod (15) is fixedly connected with the top of the support plate (6), the outer periphery of the first telescopic rod (15) is provided with a first spring (16), both ends of the first spring (16) are fixedly connected with the first sliding block (12) and the support plate (6) respectively.

4. The adjustable damping device for a press according to claim 2, characterized in that The first sliding block (12) and the second sliding block (19) are provided with a sleeve (21), both ends of the sleeve (21) are fixedly connected with connecting rods (18), one end of one of the connecting rods (18) away from the sleeve (21) is fixedly connected with the outer periphery of the rotating cylinder (13), one end of the other connecting rod (18) away from the sleeve (21) is rotatably sleeved on the side of the second sliding block (19).

5. An adjustable damping device for a press according to claim 4, characterized in that The inner cavity of the sleeve (21) is provided with a second spring (23), one end of the second spring (23) is fixedly connected with the inner cavity of the sleeve (21), the other end of the sleeve (21) is fixedly connected with a limiting sliding block (24), the inner cavity of the second spring (23) is provided with a pull rod (22), the pull rod (22) is slidably sleeved on the side of the sleeve (21), one end of the pull rod (22) is fixedly connected with the side of the limiting sliding block (24), the other end of the limiting sliding block (24) is fixedly connected with the end of the connecting rod (18) away from the rotating cylinder (13).

6. The adjustable damping device for a press according to claim 2, wherein The sides of the first sliding block (12) and the second sliding block (19) are respectively threadedly rotatably sleeved with a first threaded bolt (17) and a second threaded bolt (20) for adjusting the sliding distance, the bottom of the first threaded bolt (17) abuts against the outer periphery of the first telescopic rod (15), the bottom of the second threaded bolt (20) abuts against the outer periphery of the support rod (9).

7. The adjustable damping device for a press according to claim 1, wherein Both sides of the support plate (6) are fixedly connected with third springs (8), the third springs (8) are arranged on the periphery of support rods (9), the ends of the third springs (8) away from the support plate (6) are fixedly connected with the bottom plate (1) and the second sliding block (19) respectively, the support plate (6) is fixedly connected with the pressing block (7), the pressure bearing plate (5) is located at the bottom of the pressing block (7), the pressure bearing plate (5) is fixedly connected with the bottom plate (1), the side of the support plate (6) is threadedly rotatably sleeved with two limiting screw rods (10), both ends of the limiting screw rod (10) are threadedly rotatably sleeved with nuts (11).

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