Inverted supporting type workpiece supporting mechanism

Abstract

The utility model provides an upside-down type workpiece supporting mechanism which comprises a mounting plate, an upside-down mechanism, a supporting block and an air cylinder, the upside-down mechanism is rotatably fixed on the mounting plate, a lifting device is arranged in the upside-down mechanism, the supporting block is used for being connected with a round pipe workpiece, the supporting block is arranged at the top end of the upside-down mechanism and is connected with the lifting device, and the upside-down type workpiece is supported by the air cylinder under driving force. The vertical lifting motion is realized; besides, one end of the air cylinder is fixed on the mounting plate, and the other end of the air cylinder is telescopically connected with the tilting mechanism through an air cylinder telescopic piston rod, so that the tilting mechanism is driven to perform tilting and overturning movement, and overturning and tilting of the tilting mechanism at a certain angle are realized through telescopic connection of the tilting mechanism and the air cylinder; and when the workpiece is in the upright position, the workpiece can be supported and can be lifted up and down, and when the workpiece is in the inclined position, the workpiece can be contracted to save space and avoid interference, so that the functions of overturning, supporting, servo lifting and the like of the workpiece support are well achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing equipment, in particular to an inverted support type workpiece supporting mechanism. Background Art

[0002] In the process of processing related accessories in the existing technical field of oil and gas well mining equipment, the workpiece support of round pipe workpieces is usually a fixed V-shaped support structure. The workpiece support cannot realize functions such as inverted support and servo lifting. Every time the workpiece is changed or the outer diameter changes, the height of the fixed V-shaped support needs to be manually adjusted, the labor intensity of the operator is high, the operation error is large, and the safety risk is high. Utility Model Content

[0003] The utility model aims to provide a workpiece support structure which can realize the inverted lifting function, reduce the labor intensity and save space.

[0004] In order to achieve the above-mentioned purpose, the utility model proposes an inverted support workpiece support mechanism, comprising a mounting plate, an inverted support mechanism, a support block and a cylinder: the inverted support mechanism can be rotatably fixed on the mounting plate; a lifting device is provided in the inverted support mechanism, and the support block is used to connect with the round tube workpiece, and the support block is arranged at the top of the inverted support mechanism and is connected to the lifting device, and realizes up and down lifting movement under the driving force; one end of the cylinder is fixed to the mounting plate, and the other end is telescopically connected to the inverted support mechanism through a telescopic piston rod of the cylinder, thereby driving the inverted support mechanism to perform an inverted flipping movement.

[0005] Furthermore, the inverted support mechanism includes an inverted support bracket, a servo electric cylinder and a servo motor:

[0006] The inverted support bracket is fixed to the servo electric cylinder, and a lifting device is provided inside the servo electric cylinder, and the lifting device is a lifting screw, and the top of the lifting device is connected to the support block;

[0007] A pulley reduction box is installed at the bottom of the servo electric cylinder; the pulley reduction box is placed on the mounting plate;

[0008] The servo motor is fixed on the pulley reduction box and is drivingly connected to the lifting device through the pulley reduction box to drive the lifting screw to perform up and down lifting movements, thereby realizing the up and down lifting movements of the support block and the round tube workpiece connected to the support block.

[0009] Furthermore, a vertical bearing seat kit is symmetrically installed on the mounting plate, and axial holes are respectively opened at both ends of the bottom of the inverted support bracket, and the axial holes at both ends are connected by a rotating shaft. After the rotating shaft passes through the axial holes at both ends, the two ends of the rotating shaft are respectively fixed in the bearing holes of the vertical bearing seat kit, so that the inverted support mechanism can be rotatably fixed on the mounting plate, thereby realizing the flipping of the inverted support mechanism within a certain angle range.

[0010] Furthermore, a fisheye joint is installed at the top of the telescopic piston rod of the cylinder, one end of the cylinder is fixed to the mounting plate through a support with a rotating shaft, and the other end is threadedly connected to the inverted support bracket through the fisheye joint of the telescopic piston rod of the cylinder. The support with a rotating shaft is fixedly installed on the mounting plate and is separated from the inverted support mechanism by a certain distance, and an ear seat with a middle hole is installed at one end of the cylinder, which is connected to the rotating shaft of the support with a rotating shaft through the ear seat with a middle hole, thereby realizing the connection with the mounting plate;

[0011] Furthermore, a limiting device is installed on the mounting plate, and the limiting device is between the inverted support mechanism and the support with a rotating shaft and below the inverted support mechanism after being tilted, and is used for limiting the inverted support mechanism when it is tilted under the retraction force of the cylinder, wherein the limiting device includes a limiting support and a rubber block, the supporting surface of the limiting support is an inclined surface, and the rubber block is installed on the inclined surface of the limiting support.

[0012] Furthermore, the support block is a V-shaped support block, which is installed on the top of the lifting device through a flange plate and is used to connect with the round tube workpiece; support rollers are respectively installed on the two symmetrical support surfaces of the V-shaped support block.

[0013] Furthermore, a buffer device is provided on the mounting plate, and the buffer device is located on a side of the inverted support mechanism away from the cylinder to prevent the inverted support mechanism from being pushed over the upright position under the extension force of the cylinder. The buffer device includes a buffer support and a hydraulic buffer, and the hydraulic buffer is installed on the upper part of the buffer support and directly opposite to the inverted support mechanism, and a limit screw is also installed in the middle of the buffer support.

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] 1. The inverted workpiece support mechanism of the utility model drives the support block to move up and down through the driving action of the lifting device and the motor, so that the support structure can flexibly adjust the height according to the change of the workpiece, the operation is simple and convenient, and the labor intensity of the operator is reduced.

[0016] 2. The utility model uses an inverted support mechanism and a telescopic drive connection between the inverted support mechanism and the cylinder, so that the inverted support mechanism can be flipped within a certain angle range from upright to inclined. When upright, it supports the workpiece and flexibly adjusts the up and down movement according to the height of the workpiece. When in an inclined position, it can be retracted to save space and avoid interference.

[0017] 3. The utility model provides a limit device and a buffer device for the inverted workpiece support mechanism, so that the inverted mechanism can be limited and buffered in time when it is pulled down or pushed up under the action of the cylinder telescopic force, thereby preventing the inverted mechanism from being excessively tilted or pushed past the upright position. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 and Figure 2 This is a schematic diagram of the overall structure of the inverted workpiece support mechanism of the embodiment of the utility model;

[0019] Figure 3 This is a schematic diagram of the lifting device in the embodiment of the utility model after the screw rod rises;

[0020] Figure 4 This is a schematic diagram of the tilting support mechanism in the embodiment of the utility model; DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be further described below.

[0022] This embodiment provides an inverted workpiece support mechanism, such as Figure 1 As shown, it includes a mounting plate 1, an inverted support mechanism, a V-shaped support block 10 and a cylinder 13, wherein the inverted support mechanism can be rotatably fixed on the mounting plate 1, a lifting device is provided in the inverted support mechanism, and the V-shaped support block 10 for supporting the round tube workpiece is arranged at the top of the inverted support mechanism and is connected to the lifting device to realize up and down lifting movement under the driving force; one end of the cylinder 13 is fixed on the mounting plate 1, and the other end is telescopically connected to the inverted support mechanism through a telescopic piston rod 15, thereby driving the inverted support mechanism to flip within a certain range.

[0023] In this embodiment, the inverted support mechanism includes an inverted support bracket 4, a servo electric cylinder 5 and a servo motor 7. Figure 1 As shown, the inverted support bracket 4 is connected to the servo electric cylinder 5, and a lifting device is installed inside the servo electric cylinder 5. Figure 3As shown, the lifting device of this embodiment is a lifting screw 8, which is connected to the internal lead screw nut of the servo electric cylinder 5. The V-shaped support block 10 is fixed to the top of the servo electric cylinder 5 through a flange 9 and is connected to the lifting screw 8. At the same time, a pulley reduction box 6 is installed at the bottom of the servo electric cylinder 5 and the servo motor 7. The pulley reduction box 6 is placed on the mounting plate 1. The servo motor 7 drives the internal lead screw of the servo electric cylinder 5 to rotate through the pulley reduction box 6, thereby driving the lead screw nut to move, and then driving the lifting screw 8 to perform up and down lifting movements, and finally realizing that the lifting screw 8 drives the V-shaped support block 10 and the corresponding round tube workpiece to perform up and down lifting movements, wherein the extended state and the retracted state of the V-shaped support block 10 under the lifting force of the lifting screw 10 are respectively shown as follows. Figure 1 and Figure 3 As shown. In addition, shaft holes are respectively provided at both ends of the bottom of the inverted support bracket 4, and the rotating shaft 3 is used to pass through the shaft holes at both ends, so that the shaft holes at both ends are connected through the rotating shaft 3; two sets of vertical seat bearing kits 2 are symmetrically installed on the mounting plate 1, and the two ends of the rotating shaft 3 passing through the shaft holes are respectively installed in the vertical seat bearing kits 2, so that the entire inverted support mechanism with the V-shaped support block 10 can be turned over within a certain range on the mounting plate 2 under a certain force. In this embodiment, support rollers 11 are respectively installed on the two symmetrical support surfaces of the V-shaped support block 10, which are used to support the round tube workpiece.

[0024] In this embodiment, an ear seat 14 with a center hole is installed at one end of the cylinder 13, and is fixed to the mounting plate 1 through the connection between the ear seat 14 with a center hole and the support with a rotating shaft 12, and the other end is threadedly connected to the inverted support bracket 4 through the cylinder telescopic piston rod 15, wherein the support with a rotating shaft 12 is fixed on the mounting plate 1 and is separated from the inverted support mechanism by a certain distance, and a fisheye joint 16 is installed at the top of the cylinder telescopic piston rod 15, and a turn pin screw 17 is installed in the center hole of the fisheye joint 16, and the turn pin screw 17 is threadedly connected to the threaded hole at the middle position of the side of the inverted support bracket 4 to realize the telescopic connection between the cylinder 13 and the inverted support mechanism.

[0025] In this embodiment, Figure 2 As shown, the mounting plate is also equipped with a limit device and a buffer device, wherein the limit device is arranged between the inverted support bracket 4 and the support with a rotating shaft 12 and is located directly below the inverted support mechanism after tilting. Its structure includes a limit support 18 and a rubber block 19. The support surface of the limit support 18 is an inclined surface. The rubber block 19 is fixedly installed on the inclined surface of the limit support 19, and is mainly used for protection and limit when the inverted support mechanism is tilted. The buffer device is located on the side of the inverted support mechanism away from the cylinder 13, as shown in FIG. Figure 2As shown, its structure includes a buffer support 20 and a hydraulic buffer 22. The hydraulic buffer 22 is installed on the upper part of the buffer support 20 and is opposite to the inverted support mechanism. A limit screw 21 is also provided in the middle position of the buffer support 20. Through the buffer device, the inverted support mechanism is prevented from being excessively pushed out and exceeding the upright position under the extension force of the cylinder telescopic piston rod 15.

[0026] like Figure 3 and Figure 4 As shown, the inverted supporting mechanism of this embodiment can realize a certain angle of flipping and inverting under the telescopic action of the cylinder telescopic piston rod 15, so as to flexibly switch between the upright and inclined states. In the upright position, it can support the workpiece and can be lifted up and down; in the inclined position, it can be retracted to save space and avoid interference, thus effectively solving the functions of flipping and inverting and servo lifting of the workpiece support.

[0027] The above are only preferred embodiments of the present invention and do not limit the present invention in any way. Any technician in the relevant technical field, without departing from the scope of the technical solution of the present invention, may make any equivalent replacement or modification to the technical solution and technical content disclosed in the present invention, which shall be deemed as the content of the technical solution of the present invention and still fall within the protection scope of the present invention.

Claims

1. An inverted workpiece support mechanism, characterized in that: Including mounting plate, support mechanism, support block and cylinder: The inverted support mechanism can be rotatably fixed on the mounting plate; A lifting device is provided in the inverted support mechanism, and the support block is provided at the top of the inverted support mechanism and connected to the lifting device to realize up and down lifting movement under the driving force; One end of the cylinder is fixed on the mounting plate, and the other end is telescopically connected to the inverted support mechanism through a telescopic piston rod of the cylinder, thereby driving the inverted support mechanism to perform an inverted support and flipping movement.

2. The inverted workpiece support mechanism according to claim 1, characterized in that: The inverted support mechanism includes an inverted support bracket, a servo electric cylinder and a servo motor: The inverted support bracket is fixed to the servo electric cylinder, a lifting device is provided inside the servo electric cylinder, and the top of the lifting device is connected to the support block; A pulley reduction box is installed at the bottom of the servo electric cylinder, and the pulley reduction box is placed on the mounting plate; the servo motor is fixed on the pulley reduction box and is drivingly connected to the lifting device.

3. The inverted workpiece support mechanism according to claim 2, characterized in that: A fisheye joint is installed at the top end of the telescopic piston rod of the cylinder. One end of the cylinder is fixed to the mounting plate through a support with a rotating shaft, and the other end is threadedly connected to the inverted support bracket through the fisheye joint of the telescopic piston rod of the cylinder.

4. The inverted workpiece support mechanism according to claim 3, characterized in that: A limiting device is installed on the mounting plate. The limiting device is arranged between the inverted support mechanism and the rotating shaft support and is located directly below the inverted support mechanism after tilting. The limiting device is used for limiting the inverted support mechanism when it tilts under the retraction force of the cylinder.

5. The inverted workpiece support mechanism according to claim 4, characterized in that: The limiting device comprises a limiting support and a rubber block. The top surface of the limiting support is inclined, and the rubber block is installed on the inclined surface of the limiting support.

6. The inverted workpiece support mechanism according to claim 2, characterized in that: A vertical bearing seat kit is symmetrically installed on the mounting plate, and axial holes are respectively opened at both ends of the bottom of the inverted support bracket, and the axial holes at both ends are connected by a rotating shaft. After the rotating shaft passes through the axial holes at both ends, the two ends of the rotating shaft are respectively fixed in the bearing holes of the vertical bearing seat kit, so that the inverted support mechanism can be rotatably fixed on the mounting plate.

7. The inverted workpiece support mechanism according to claim 1, characterized in that: The support block is a V-shaped support block, which is installed on the top of the lifting device through a flange; support rollers are respectively installed on the two symmetrical support surfaces of the V-shaped support block.

8. The inverted workpiece support mechanism according to claim 1, characterized in that: The mounting plate is also provided with a buffer device, which is located on a side of the inverted support mechanism away from the cylinder to prevent the inverted support mechanism from being pushed over the upright position under the extension force of the cylinder.

9. The inverted workpiece support mechanism according to claim 8, characterized in that: The buffer device comprises a buffer support and a hydraulic buffer. The hydraulic buffer is installed on the upper part of the buffer support and directly opposite to the inverted support mechanism. A limiting screw is also installed in the middle part of the buffer support.

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