Automatic alignment device for large ring piece

Abstract

The utility model discloses an automatic alignment device for a large ring piece, which relates to the technical field of large ring piece processing and comprises an equipment base, a driving mechanism, an alignment workbench and an alignment support. According to the utility model, the clamping device does not need to be manually adjusted when the large ring piece is aligned, so that the automation level of the alignment process is greatly improved; the alignment time is greatly shortened, and the machining efficiency is greatly improved; an operator only needs to place a workpiece on the clamping jaw and then starts the hydraulic device by one key, so that alignment and clamping work can be completed, and the labor intensity is greatly reduced; manual operation and walking of operators in the equipment operation process are reduced, and the safety accident risk caused by improper manual operation is reduced; the device can also be used as a standard for detecting whether the size of the workpiece is correct or not before processing, and if the diameter of the workpiece before processing is too large, a gap is formed after clamping; if the diameter is too small, the workpiece cannot be placed in the clamping jaw, so that the size problem of the workpiece is found in advance.

Description

TECHNICAL FIELD

[0001] The utility model relates to large ring piece processing technical field, concretely is a kind of automatic alignment device of large ring piece. BACKGROUND

[0002] In the machining process of large ring piece, the traditional alignment method is usually realized by manually adjusting the fastening screw of clamping device on the workbench to align the workpiece, i.e. to align the center of the workpiece with the center of the workbench. This method has many drawbacks: first, the operation process is complex, the operator needs to observe the dial indicator while walking along with the rotation of the workbench, and also needs to manually adjust the clamping device. It takes about 20 minutes to align one workpiece. Second, this method is not only time-consuming and labor-intensive, but also requires high skills of the operator, and there are certain safety hazards in the operation process. SUMMARY

[0003] The utility model aims at providing an automatic alignment device for large ring piece to solve the problems of complex operation process, long time consumption, time-consuming and labor-intensive and safety hazards in the traditional manual alignment method.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an automatic alignment device for large ring piece, comprising a device base provided with a driving mechanism at its center, and an alignment workbench provided above the device base and provided with an alignment support on its top surface; the device base comprises a cylindrical base stand fixed at the bottom end of the base, and a concave cylindrical base cavity is provided at the top end axis of the base stand and provided with a driving mechanism; the outer side of the base stand is provided with an alignment workbench through a bearing; the alignment workbench comprises a cylindrical workbench rotating cylinder, a disc-shaped work platform is fixed coaxially at the top end of the workbench rotating cylinder, and an alignment support is provided on the top surface of the work platform; the driving mechanism comprises a vertically upward hydraulic oil cylinder connected with a triangular driving connection plate, a horizontal outward protruding alignment connecting frame is provided at the middle position of each side edge of the driving connection plate, and a coaxial connecting pin hole is provided on the two alignment connecting frames on the same side edge of the alignment connecting frame, and a fixed pin is inserted and fixed; the alignment support comprises three telescopic rod guide supports provided on the top surface of the work platform, and the three telescopic rod guide supports are arranged in a ring shape around the axis of the work platform, one telescopic rod that can slide along its axis is arranged in each telescopic rod guide support, and a workpiece top column with adjustable position is arranged on the top surface of the telescopic rod.

[0005] Preferably, the workbench rotating cylinder is connected with the base column through a bearing, and the inner wall top of the workbench rotating cylinder is provided with an annular inner convex workbench baffle above the bearing, and the center of the work platform is provided with a workbench through hole with an inner diameter equal to that of the workbench rotating cylinder.

[0006] Preferably, the hydraulic oil cylinder is arranged in the base cavity, the shaft rod of the hydraulic oil cylinder penetrates the disc positioning seat without obstruction, and a triangular driving connecting plate is connected above the disc positioning seat, and one guide through hole is arranged at each of the three corners of the driving connecting plate.

[0007] Preferably, the three workpiece top columns are fixedly connected with the telescopic rods through bolts, and are located on the same circle during use.

[0008] Preferably, the telescopic rod is provided with a strip-shaped through hole which is inclined downward by 45 degrees from outside to inside at one end close to the axis of the alignment workbench, and the fixing pin is inserted into the strip-shaped through hole.

[0009] Preferably, the top surface of the telescopic rod guide support is axially provided with a concave " convex " shaped groove, and the top surface of the telescopic rod is also axially provided with a concave " convex " shaped groove.

[0010] Compared with the prior art, the automatic alignment device has the advantages that:

[0011] 1. The automatic alignment device provided by the automatic alignment device is used for aligning a large ring piece, manual adjustment and clamping of the device is not needed, the automatic level of the alignment process is greatly improved, the alignment time is greatly shortened, and the machining efficiency is greatly improved.

[0012] 2. The operator does not need to manually adjust and walk for a long time, and only needs to place the workpiece on the claw and start the hydraulic device through one key, so that the alignment and clamping work can be completed, and the labor intensity is greatly reduced.

[0013] 3. Manual operation and walking of the operator during equipment operation are reduced, and the risk of safety accidents caused by improper manual operation is reduced.

[0014] 4. The automatic alignment device can also be used as a standard for detecting whether the size of the workpiece before machining is correct, if the diameter of the workpiece before machining is too large, there will be a gap after clamping, and if the diameter is too small, the workpiece cannot be placed in the claw, so that the size problem of the workpiece can be found in advance. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1is a front view;

[0016] Figure 2 is a top view;

[0017] Figure 3 is Figure 2 is a sectional view along A-A;

[0018] Figure 4 is an axonometric view;

[0019] In the figure: device base-1, base column-11, base cavity-12, driving mechanism-2, hydraulic cylinder-21, driving connecting plate-22, guide through hole-23, alignment connecting frame-24, connecting pin hole-25, fixing pin-26, alignment workbench-3, workbench rotating cylinder-31, workbench baffle-32, work platform-33, workbench through hole-34, disc positioning seat-35, guide column-36, alignment support-4, telescopic rod guide support-41, telescopic rod-42, workpiece top column-43. DETAILED DESCRIPTION

[0020] In order to make the technical personnel in the art better understand the technical scheme of the utility model, the technical scheme in the utility model embodiment is described clearly and completely below in combination with the drawings and specific embodiments.

[0021] Please refer to Figures 1-4 , Figure 1 is a front view; Figure 2 is a top view; Figure 3 is Figure 2 is a sectional view along A-A; Figure 4 is an axonometric view.

[0022] The utility model provides a kind of automatic alignment device of large ring piece, including device base 1, the center of the device base 1 is provided with driving mechanism 2, the top of the device base 1 and driving mechanism 2 is provided with alignment workbench 3, and alignment support 4 is provided on the top surface of the alignment workbench 3.

[0023] The device base 1 includes cylindrical base column 11, the bottom end of the base column 11 is fixedly connected with base for ensuring the stability of the entire alignment device, and the top end axis is provided with the concave cylindrical base cavity 12 of the base column 11, and the driving mechanism 2 is arranged in the base cavity 12;The outer side of the base column 11 is provided with alignment workbench 3 by bearing.

[0024] The alignment workbench 3 comprises a cylindrical workbench rotating cylinder 31 connected with the base column 11 through a bearing, and an annular inner convex workbench baffle 32 is arranged on the top end of the inner wall of the workbench rotating cylinder 31 above the bearing; a disc-shaped work platform 33 is coaxially arranged on the top end of the workbench rotating cylinder 31, and an alignment support 4 is arranged on the top surface of the work platform 33; a workbench through hole 34 with the same inner diameter as the workbench rotating cylinder 31 is arranged at the center of the work platform 33; a disc positioning seat 35 with the same outer diameter is arranged in the workbench through hole 34; and three vertical guide columns 36 are annularly and uniformly arranged on the top surface of the disc positioning seat 35.

[0025] The driving mechanism 2 comprises a vertically upward arranged hydraulic oil cylinder 21 arranged in the base cavity 12; the shaft rod of the hydraulic oil cylinder 21 penetrates the disc positioning seat 35 without obstruction, and a triangular driving connecting plate 22 is connected above the disc positioning seat 35; one guide through hole 23 is arranged near each of the three corners of the driving connecting plate 22, and the three guide through holes 23 are correspondingly sleeved on the three guide columns 36; a horizontally outward protruding and directly facing alignment connecting frame 24 is arranged at the middle position of each side edge of the driving connecting plate 22, coaxial connecting pin holes 25 are arranged on the two alignment connecting frames 24 on the same side edge of the alignment connecting frame 24, and a fixed pin 26 is inserted and fixed.

[0026] The alignment support 4 comprises three telescopic rod guide supports 41 arranged on the top surface of the work platform 33, and the three telescopic rod guide supports 41 are annularly and uniformly arranged around the axis of the work platform 33; a telescopic rod 42 which can slide along the axis is arranged in each telescopic rod guide support 41; a workpiece top column 43 which can be adjusted in position is arranged on the top surface of the telescopic rod 42; the three workpiece top columns 43 are fixed to the telescopic rod 42 through bolts and located on the same circumference during use; a strip-shaped through hole 44 which is inclined downward by 45 degrees from the outside to the inside is arranged on the end of the telescopic rod 42 close to the axis of the alignment workbench 3, and the fixed pin 26 can be inserted into the strip-shaped through hole 44.

[0027] A concave "n" shaped groove is axially arranged on the top surface of the telescopic rod guide support 41, which is used to limit the movement of the telescopic rod 42 along the axis and avoid up and down or left and right movement; a concave "n" shaped groove is also axially arranged on the top surface of the telescopic rod 42, which is used to limit the movement of the workpiece top column 43 along the axis.

[0028] In use, first, three workpiece top pillars 43 are adjusted to less than 10mm in diameter according to the drawing size, and the annular workpiece is placed in front of the workpiece top pillar 43 of the movable telescopic rod 42. Starting the hydraulic device drives the telescopic rod 42 to advance and in turn drives the workpiece top pillar 43 to automatically clamp the annular workpiece, achieving the effect of automatic alignment. After processing, the hydraulic rod device is restored to the initial position to release the workpiece. In batch production, the size of the top pillar only needs to be adjusted once.

[0029] Although the embodiments of the present application have been shown and described, it is apparent that the described embodiments are only a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, it can be understood by those skilled in the art that, without departing from the principles and spirits of the present application, all other embodiments obtained by various changes, modifications, replacements and variations of these embodiments without creative labor belong to the protection scope of the present application.

Claims

1. An automatic alignment device for large ring members, characterized in that: The utility model provides a kind of centering device, including equipment pedestal (1) and is provided with driving mechanism (2) at its center, the top of the equipment pedestal (1) is provided with alignment workbench (3) and is provided with alignment support (4) on its top surface;The equipment pedestal (1) includes the cylindrical base column (11) of bottom end fixedly connected with base, the top of the base column (11) is provided with the concave cylindrical base cavity (12) and is provided with driving mechanism (2) at its top axial center;The outer side of the base column (11) is provided with alignment workbench (3) by bearing;The alignment workbench (3) includes cylindrical workbench rotating cylinder (31), the top of the workbench rotating cylinder (31) is fixedly connected with coaxially arranged disc-shaped work platform (33), and alignment support (4) is provided on the top surface of the work platform (33);The driving mechanism (2) includes vertically upwardly arranged hydraulic oil cylinder (21) and is connected with triangular drive connecting plate (22), and each side edge middle position of the drive connecting plate (22) is respectively provided with horizontally outwardly protruding and opposite alignment connecting frame (24), and coaxial connecting pin hole (25) is provided on the two alignment connecting frames (24) on the same side edge of the alignment connecting frame (24), and fixed pin (26) is inserted and fixed;The alignment support (4) includes three telescopic rod guide supports (41) provided on the top surface of the work platform (33), and three telescopic rod guide supports (41) are arranged in the form of ring around the axis of the work platform (33), and each telescopic rod guide support (41) is provided with a telescopic rod (42) that can slide along its axis, and workpiece top column (43) is provided on the top surface of the telescopic rod (42).

2. The automatic aligning device for large ring pieces according to claim 1, characterized in that: The workbench rotating cylinder (31) is connected with the base column (11) by bearing, and the inner wall top end of the workbench rotating cylinder (31) is provided with annular inner convex workbench baffle (32) above the bearing, and the center of the work platform (33) is provided with workbench through hole (34) with the same inner diameter as the workbench rotating cylinder (31);The workbench through hole (34) is provided with disc positioning seat (35) with the same outer diameter, and the top surface of the disc positioning seat (35) is annularly and uniformly provided with three vertical guide columns (36) on the same circumference.

3. The automatic aligning device for large ring pieces according to claim 2, characterized in that: The hydraulic oil cylinder (21) is placed in the base cavity (12), the shaft of the hydraulic oil cylinder (21) penetrates the disc positioning seat (35) without obstruction, and the triangular drive connecting plate (22) is connected above the disc positioning seat (35), the drive connecting plate (22) is provided with one guide through hole (23) near each corner, and the three guide through holes (23) are respectively and correspondingly sleeved on the three guide columns (36).

4. The automatic aligning device for large ring pieces according to claim 3, characterized in that: Three workpiece top columns (43) are fixedly connected with the telescopic rods (42) by bolts, and are located on the same circumference during use.

5. The automatic aligning device for large ring pieces according to claim 4, characterized in that: The telescopic rod (42) is provided with a strip-shaped through hole (44) which is inclined downward by 45 degrees from outside to inside at one end close to the shaft center of the alignment workbench (3), and the fixing pin (26) is inserted into the strip-shaped through hole (44).

6. The automatic aligning device for large ring pieces according to claim 5, characterized in that: The top surface of the telescopic rod guide support (41) is axially provided with a concave "convex" groove, and the top surface of the telescopic rod (42) is also axially provided with a concave "convex" groove.

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