CN112570627A

CN112570627A - Folding and positioning device for aluminum alloy forging part

Info

Publication number: CN112570627A
Application number: CN202011477382.9A
Authority: CN
Inventors: 陈孝发; 仇玉生; 马士科; 马恒
Original assignee: Shaoyang Zhenhua Machinery Forging Fitting Co ltd
Current assignee: Shaoyang Zhenhua Machinery Forging Fitting Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-03-30

Abstract

The invention discloses a folding and positioning device for an aluminum alloy forging part, which comprises a base arranged on a machine tool, wherein a workpiece supporting seat used for supporting a workpiece is arranged in the middle of the base, a placing groove used for placing the workpiece is arranged on the upper end surface of the workpiece supporting seat, a clamping and fixing seat is respectively arranged on the bases on two sides of the workpiece supporting seat in a sliding way, the outer side of the clamping and fixing seat is connected with clamping and pushing rods used for driving the clamping and pushing rods to mutually approach or separate, and each clamping and pushing rod is provided with a clamping block used for clinging to the workpiece. In addition, the workpiece can be driven to horizontally rotate through the rotary switching piece, the machining position is further adjusted, and the practicability is high.

Description

Folding and positioning device for aluminum alloy forging part

Technical Field

The invention relates to the technical field of forging, in particular to a folding and positioning device for an aluminum alloy forging piece.

Background

The aluminum alloy material is one of the most widely used non-ferrous metal materials in the light weight manufacturing process of aviation, aerospace, automobiles, ships and machinery, the existing aluminum alloy forging of automobiles needs to be positioned and processed on the surface in the production process, the forging is inconvenient to position in the processing process, and the positioned forging cannot be easily taken out after the processing is finished, so that the problem in the existing production is solved, for the reason, the prior patent publication No. CN110125839B discloses a folding positioning device, when taking out the forging, a limiting block firstly rotates to a abdicating groove, in the process of rotating the limiting block, a connecting column enables a first positioning plate and the limiting block to keep the same rotating state, so that the first positioning plate rotates inwards, and then, in the process of rotating the limiting block, a fixing platform is controlled to descend by a second pushing oil cylinder synchronously, the first pushing oil cylinder and the second pushing oil cylinder work synchronously, so that the machined automobile aluminum alloy forging piece can be conveniently and smoothly taken out.

But above-mentioned device can only be fixed to the work piece, but the forging technology is not only to a face processing, still need carry out the reverse side to the work piece and beat, if use above-mentioned device, all need fix a position the processing to the work piece again when changing the face at every turn and add man-hour, not only waste time, still have the potential safety hazard, to this problem, provide an aluminum alloy forging piece folding positioner now.

Disclosure of Invention

The invention aims to provide a folding and positioning device for an aluminum alloy forging part, which solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a folding and positioning device for an aluminum alloy forging piece comprises a base arranged on a machine tool, a workpiece supporting seat for supporting a workpiece is arranged in the middle of the base, the upper end surface of the workpiece supporting seat is provided with a placing groove for placing a workpiece, the bases at the two sides of the workpiece supporting seat are respectively provided with a clamping fixed seat in a sliding way, the outer side of the clamping fixed seat is connected with clamping push rods for driving the clamping fixed seat to mutually approach or separate, each clamping push rod is provided with a clamping block for clinging to a workpiece, the clamping block is connected with a turning component for driving the clamping block to rotate so as to adjust the forging surface, a lifting component for adjusting the height of the clamping block so as to separate the workpiece from the workpiece supporting seat is arranged on the clamping fixed seat, a discharging component for assisting the workpiece to be separated from the workpiece supporting seat is arranged between the base and the workpiece supporting seat;

the discharging component comprises a discharging installation cavity arranged in the workpiece supporting seat, two second piston cylinders distributed in an array manner are arranged in the discharging installation cavity, the second piston cylinder is arranged in bilateral symmetry, a second piston block is arranged in the second piston cylinder, the upper end of the second piston block is connected with a material ejecting push rod, the bottom of the placing groove is provided with a plurality of ejection holes for the ejection push rods to pass through, and the array is distributed on the second piston cylinder, two first piston cylinders corresponding to the second piston cylinders are arranged in the base, the oil outlet end of the first piston cylinder is communicated with the liquid inlet end of the second piston cylinder through a liquid guide pipe, a first piston block is in sliding fit in the first piston cylinder, the left end of the first piston block is provided with a push rod, the end part of the push rod is fixedly connected with the bottom of the corresponding clamping fixing seat, and a transmission cavity convenient for the push rod to slide is arranged in the base.

As a further scheme of the invention: the lifting assembly comprises a lifting seat arranged on the upper end face of a clamping fixing seat, a lifting driving cavity is formed in the upper end of the clamping fixing seat, the lifting seat is connected with the output end of a lifting pushing rod at the bottom of the lifting driving cavity, and lifting guide rods in sliding contact with the left inner wall and the right inner wall of the lifting driving cavity are arranged on two sides of the lower end of the lifting seat.

As a further scheme of the invention: the upset subassembly is including the motor that turns to that is used for providing upset power, turn to and be equipped with the transmission frame on the inboard centre gripping fixing base of motor, the inside sliding fit of transmission frame has a piston board, it is fixed through a plurality of damping spring connection between piston board and the transmission frame inner wall, the piston board outer end is equipped with the connecting rod that passes the transmission frame and go up the slip hole, and the connecting rod tip is connected with the grip block, the piston board other end also is equipped with a connecting rod, is equipped with first friction disk on this connecting rod, the output that turns to the motor is equipped with the second friction disk with first friction disk matched with.

As a further scheme of the invention: and a damping cushion pad is arranged between the first friction disc and the second friction disc.

As a further scheme of the invention: and the workpiece supporting seat is also provided with a rotary switching piece for driving the workpiece to horizontally rotate.

As a further scheme of the invention: the rotary switching piece comprises an annular seat arranged on the outer side of the upper end of a workpiece supporting seat, the workpiece supporting seat is connected with the base through a bearing in a rotating mode, a plurality of through holes are formed in the upper end face and the lower end face of the annular seat in a penetrating mode, a sliding push rod is arranged in each through hole in a sliding fit mode, the upper end of the sliding push rod is connected and fixed with a compression ring in an annular structure, the lower side of the annular seat is connected and fixed with a side block on the outer side of the sliding push rod through a reset spring, a fixing barrel is arranged on the base on the outer side of the workpiece supporting seat, and a limiting barb used for hooking the top in the fixing.

As a still further scheme of the invention: the upper end face of the compression ring is provided with an anti-slip layer used for increasing friction force.

As a still further scheme of the invention: and a hook groove matched with the limiting barb is formed in the top of the inner part of the fixed cylinder.

Compared with the prior art, the invention has the beneficial effects that: the device is designed aiming at the defects of the existing device, not only can the workpiece be clamped and fixed, but also the workpiece can be driven to turn over, so that the forged surface is switched, the tool does not need to be repositioned, the machining efficiency is effectively improved, meanwhile, the workpiece can be ejected out during unloading, the unloading is convenient, in addition, the workpiece can be driven to horizontally rotate through the rotary switching piece, the machining position is further adjusted, and the practicability is high.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the internal structure of the present invention.

Fig. 3 is a partial enlarged view of the structure of the present invention.

FIG. 4 is a schematic view of the structure of the annular seat and the workpiece support seat of the present invention.

Wherein: the lifting device comprises a base 11, a lifting guide rod 12, a clamping fixed seat 13, a lifting push rod 14, a lifting driving cavity 15, a first piston cylinder 16, a first piston block 17, a second piston cylinder 18, a material ejecting push rod 19, a discharging installation cavity 20, a workpiece supporting seat 21, a steering motor 22, a buffer pad 23, a damping spring 24, a piston plate 25, a transmission frame 26, a clamping block 27, a placing groove 28, an ejecting hole 29, a rotary switching piece 30, a first friction disc 31, a second friction disc 32, a clamping push rod 33, a fixed cylinder 34, a limiting barb 35, a sliding push rod 36, a side block 37, a pressure receiving ring 38, an annular seat 39 and a return spring 40.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-4, in an embodiment of the present invention, an aluminum alloy forged part folding and positioning apparatus includes a base 11 for being mounted on a machine tool, a workpiece supporting seat 21 for supporting a workpiece is disposed at a middle position of the base 11, a placing groove 28 for placing the workpiece is disposed at an upper end surface of the workpiece supporting seat 21, a clamping fixing seat 13 is slidably disposed on the base 11 at two sides of the workpiece supporting seat 21, clamping pushing rods 33 for driving the clamping fixing seat 13 to approach or separate from each other are connected to an outer side of the clamping fixing seat 13, a clamping block 27 for clinging to the workpiece is disposed on each clamping pushing rod 33, the clamping block 27 is connected to a turning assembly for driving the clamping block 27 to rotate to adjust a forging surface, a lifting assembly for adjusting a height of the clamping block 27 to separate the workpiece from the workpiece supporting seat 21 is disposed on the clamping fixing seat 13, and a detaching assembly for assisting the workpiece from the workpiece supporting seat 21 A material component;

the discharging assembly comprises a discharging installation cavity 20 arranged inside a workpiece supporting seat 21, two second piston cylinders 18 distributed in an array manner are arranged inside the discharging installation cavity 20, the second piston cylinders 18 are arranged in a bilateral symmetry manner, second piston blocks are arranged inside the second piston cylinders 18, the upper ends of the second piston blocks are connected with ejection push rods 19, ejection holes 29 convenient for the ejection push rods 19 to penetrate are formed in the bottom of the placing groove 28, the ejection holes 29 are provided with a plurality of first piston blocks and distributed on the second piston cylinders 18 in an array manner, two first piston cylinders 16 corresponding to the second piston cylinders 18 are arranged inside the base 11, the oil outlet ends of the first piston cylinders 16 are communicated with the liquid inlet ends of the second piston cylinders 18 through liquid guide pipes, one first piston block 17 is arranged inside the first piston cylinders 16 in a sliding fit manner, the left ends of the first piston blocks 17 are provided with push rods, the end parts of the push rods are connected and fixed with the bottoms of corresponding clamping fixing seats 13, a transmission cavity convenient for the sliding of the push rod is arranged in the base 11, when the clamping push rod 33 drives the clamping fixing seats 13 to approach each other, the first piston block 17 in the first piston cylinder 16 drives the oil cylinder to expand, so that oil in the second piston cylinder 18 is pumped away, the second piston block descends, the ejection push rod 19 can be collected into the unloading installation cavity 20, the ejection push rod 19 cannot influence the placement of a workpiece, when the clamping push rod 33 drives the two clamping fixing seats 13 to be away from each other, the oil cylinder in the first piston cylinder 16 is reduced, the oil at the moment can enter the second piston cylinder 18, so that the second piston block ejects the ejection push rod 19, and the ejection push rod 19 can extend out along the ejection hole 29, so that a workpiece in the placement groove 28 is supported, and the discharging is facilitated;

the lifting assembly comprises a lifting seat arranged on the upper end surface of a clamping fixed seat 13, a lifting driving cavity 15 is formed in the upper end of the clamping fixed seat 13, the lifting seat is connected with the output end of a lifting pushing rod 14 at the bottom in the lifting driving cavity 15, lifting guide rods 12 in sliding contact with the left inner wall and the right inner wall of the lifting driving cavity 15 are arranged on two sides of the lower end of the lifting seat, when a workpiece is in a non-cylindrical structure, when the reverse side of the workpiece is carried out, the lifting seat is driven to move upwards through the lifting pushing rod 14, so that the clamping block 27 can drive the workpiece to lift by a height, and the problem of interference between the workpiece and a workpiece supporting seat 21 when the workpiece is driven to rotate is avoided;

the turning assembly comprises a turning motor 22 for providing turning power, a transmission frame 26 is arranged on a clamping fixing seat 13 on the inner side of the turning motor 22, a piston plate 25 is in sliding fit in the transmission frame 26, the piston plate 25 is fixedly connected with the inner wall of the transmission frame 26 through a plurality of damping springs 24, a connecting rod penetrating through a sliding hole in the transmission frame 26 is arranged at the outer end of the piston plate 25, the end part of the connecting rod is connected with a clamping block 27, a connecting rod is also arranged at the other end of the piston plate 25, a first friction disc 31 is arranged on the connecting rod, a second friction disc 32 matched with the first friction disc 31 is arranged at the output end of the turning motor 22, a damping cushion 23 is arranged between the first friction disc 31 and the second friction disc 32, and when the turning assembly is actually used, a left clamping fixing seat 13 and a right clamping fixing seat 13 are driven to approach each other through a clamping push rod 33, the positioning of the workpiece is realized, when the workpiece needs to be turned over, the steering motor 22 drives the second friction disc 32 to rotate, the second friction disc 32 is matched with the first friction disc 31 to further drive the transmission frame 26 to rotate, the transmission frame 26 drives the clamping block 27 to rotate, and then the turning over of the workpiece is completed, and the piston plate 25 and the buffer cushion are arranged, so that the impact force generated by the steering motor 22 during forging is reduced.

Example 2

The difference from example 1 is: the workpiece supporting seat 21 is also provided with a rotary switching piece 30 for driving the workpiece to horizontally rotate;

the rotary switching piece 30 comprises an annular seat 39 arranged on the outer side of the upper end of the workpiece supporting seat 21, the workpiece supporting seat 21 is rotatably connected with the base 11 through a bearing, a plurality of through holes penetrate through the upper end surface and the lower end surface of the annular seat 39, a sliding push rod 36 is in sliding fit in each through hole, the upper end of the sliding push rod 36 is fixedly connected with a pressed ring 38 in an annular structure, an anti-slip layer used for increasing friction force is arranged on the upper end surface of the pressed ring 38, the lower side of the annular seat 39 is fixedly connected with a side block 37 on the outer side of the sliding push rod 36 through a return spring 40, a fixed cylinder 34 is arranged on the base 11 on the outer side of the workpiece supporting seat 21, a limiting barb 35 used for hooking the inner top of the fixed cylinder 34 to realize locking is arranged at the lower end of the sliding push rod 36, the limiting barb 35 is contacted with the inner top of the fixed cylinder 34 under the action of the, when the workpiece needs to be driven to rotate horizontally, the lifting assembly drives the clamping block 27 to move downwards until the clamping block abuts against the upper end face of the pressure ring 38, and then the overturning assembly drives the clamping block 27 to rotate, so that the clamping block 27 is matched with the pressure ring 38 to further drive the workpiece supporting seat 21 to rotate, and thus, the workpiece on the workpiece supporting seat 21 can be adjusted horizontally;

it should be noted that, in order that the horizontal rotation does not affect the normal operation of the unloading assembly, the rotation amplitude of the workpiece supporting seat 21 needs to be precisely controlled, so that the positions of the ejection hole 29 and the ejector push rod 19 can correspond after each stop, and the ejection hole 29 is an arc-shaped hole, so that the control precision can be reduced.

The working principle of the invention is as follows: the workpiece to be processed is placed at the upper end of the workpiece supporting seat 21, then the clamping pushing rod 33 drives the clamping fixed seat 13 to slide, the clamping block 27 on the clamping fixed seat 13 can clamp and fix the workpiece, when the surface is forged, the workpiece is adjusted to a certain height through the lifting component, then the workpiece is driven to turn through the turning component, then the turned workpiece is placed on the workpiece supporting seat 21, further the reverse side of the workpiece is processed, when the workpiece needs to be driven to rotate horizontally, the lifting component drives the clamping block 27 to move downwards until the upper end surface of the pressure bearing ring 38 is pressed, then the turning component drives the clamping block 27 to rotate, so that the clamping block 27 can be matched with the pressure bearing ring 38 to drive the workpiece supporting seat 21 to rotate, and thus the workpiece on the workpiece supporting seat 21 can be adjusted horizontally, when the workpiece needs to be unloaded after forging, the clamping push rod 33 drives the two clamping fixing seats 13 to be away from each other, the oil cylinder in the first piston cylinder 16 is reduced, oil at the moment can enter the second piston cylinder 18, so that the ejection push rod 19 of the second piston block is enabled, the ejection push rod 19 can stretch out along the ejection hole 29 at the moment, the machined part in the placing groove 28 is supported, and discharging is facilitated.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A folding and positioning device for aluminum alloy forged parts comprises a base (11) arranged on a machine tool, wherein a workpiece supporting seat (21) used for supporting a workpiece is arranged at the middle position of the base (11), a placing groove (28) used for placing the workpiece is formed in the upper end surface of the workpiece supporting seat (21), a clamping and fixing seat (13) is respectively arranged on the bases (11) at the two sides of the workpiece supporting seat (21) in a sliding mode, the outer side of the clamping and fixing seat (13) is connected with a clamping and pushing rod (33) used for driving the clamping and pushing rod to be close to or away from each other, each clamping and pushing rod (33) is provided with a clamping block (27) used for clinging to the workpiece, the folding and positioning device is characterized in that the clamping block (27) is connected with a turnover assembly used for driving the clamping block (27) to rotate so as to adjust the forged surface, and a lifting assembly used for adjusting, a discharging component used for assisting the workpiece to be separated from the workpiece supporting seat (21) is also arranged between the base (11) and the workpiece supporting seat (21);

the discharging assembly comprises a discharging installation cavity (20) arranged inside a workpiece supporting seat (21), two second piston cylinders (18) distributed in an array mode are arranged inside the discharging installation cavity (20), the second piston cylinders (18) are arranged in a bilateral symmetry mode, second piston blocks are arranged inside the second piston cylinders (18), the upper ends of the second piston blocks are connected with ejection push rods (19), ejection holes (29) which are convenient for the ejection push rods (19) to penetrate are formed in the bottom of a placing groove (28), a plurality of ejection holes (29) are formed in the ejection holes and distributed on the second piston cylinders (18) in an array mode, two first piston cylinders (16) corresponding to the second piston cylinders (18) are arranged inside a base (11), the oil outlet ends of the first piston cylinders (16) are communicated with the liquid inlet ends of the second piston cylinders (18) through liquid guide pipes, and a first piston block (17) is arranged inside the first piston cylinders (16) in a sliding fit mode, the left end of the first piston block (17) is provided with a push rod, the end part of the push rod is fixedly connected with the bottom of the corresponding clamping fixing seat (13), and a transmission cavity convenient for the sliding of the push rod is arranged inside the base (11).

2. The aluminum alloy forging folding and positioning device as recited in claim 1, wherein the lifting assembly comprises a lifting seat arranged on the upper end surface of the clamping fixing seat (13), a lifting driving cavity (15) is formed in the upper end of the clamping fixing seat (13), the lifting seat is connected with the output end of a lifting pushing rod (14) at the bottom in the lifting driving cavity (15), and lifting guide rods (12) in sliding contact with the left and right inner walls of the lifting driving cavity (15) are arranged on two sides of the lower end of the lifting seat.

3. The aluminum alloy forging folding positioning device as recited in claim 1, the overturning assembly comprises a steering motor (22) for providing overturning power, a transmission frame (26) is arranged on a clamping fixed seat (13) on the inner side of the steering motor (22), a piston plate (25) is in sliding fit in the transmission frame (26), the piston plate (25) and the inner wall of the transmission frame (26) are fixedly connected through a plurality of damping springs (24), the outer end of the piston plate (25) is provided with a connecting rod which passes through a sliding hole on the transmission frame (26), the end part of the connecting rod is connected with the clamping block (27), the other end of the piston plate (25) is also provided with a connecting rod, the connecting rod is provided with a first friction disc (31), and the output end of the steering motor (22) is provided with a second friction disc (32) matched with the first friction disc (31).

4. The aluminum alloy forging fold locating device of claim 3, wherein a shock absorbing cushion pad (23) is provided between the first friction disk (31) and the second friction disk (32).

5. The aluminum alloy forging folding and positioning device according to claim 1, wherein a rotary switch (30) for driving the workpiece to rotate horizontally is further provided on the workpiece support base (21).

6. The aluminum alloy forging folding positioning device as recited in claim 5, the rotation switching piece (30) comprises an annular seat (39) arranged on the outer side of the upper end of the workpiece supporting seat (21), the workpiece supporting seat (21) is rotatably connected with the base (11) through a bearing, a plurality of through holes are arranged on the upper end surface and the lower end surface of the annular seat (39), a sliding push rod (36) is matched in each through hole in a sliding way, the upper end of the sliding push rod (36) is connected and fixed with a compression ring (38) which is in an annular structure, the lower side of the annular seat (39) is connected and fixed with a side block (37) at the outer side of the sliding push rod (36) through a return spring (40), a fixed cylinder (34) is arranged on the base (11) outside the workpiece supporting seat (21), the lower end of the sliding push rod (36) is provided with a limiting barb (35) which is used for hooking the inner top of the fixed cylinder (34) to realize locking.

7. The aluminum alloy forging folding and positioning device as recited in claim 6, wherein the upper end face of the pressure receiving ring (38) is provided with an anti-slip layer for increasing friction force.

8. The aluminum alloy forging folding and positioning device as recited in claim 6, wherein the fixing cylinder (34) is provided at the inner top with a hook groove for engaging with the limit barb (35).