CN217095518U

CN217095518U - Die holder quick turnover device for caterpillar link forging

Info

Publication number: CN217095518U
Application number: CN202220835487.5U
Authority: CN
Inventors: 李佳勇; 王桂阳; 刘阳; 崔宇萌; 王赛; 黄丽平; 徐轲; 陈元锋
Original assignee: Xuzhou Xugong Caterpillar Base Plate Co ltd
Current assignee: Xuzhou Xugong Caterpillar Base Plate Co ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-08-02
Anticipated expiration: 2032-04-12

Abstract

The utility model belongs to the technical field of caterpillar link, concretely relates to quick die holder turnover device for caterpillar link forging, which comprises a base, an L-shaped turnover table I and an L-shaped turnover table II, wherein the L-shaped turnover table I comprises a bearing plate I and a bearing plate II, and the L-shaped turnover table II comprises a bearing plate III and a bearing plate IV; the L-shaped overturning platform I is hinged with the base at an L-shaped bending part, a bearing plate II of the L-shaped overturning platform I is arranged towards the L-shaped overturning platform II, and a hydraulic oil cylinder I is hinged between the outer side of the bearing plate I and the base; the L-shaped overturning platform II is hinged with the base at the L-shaped bending part, a bearing plate III of the L-shaped overturning platform II is arranged towards the L-shaped overturning platform I, and a hydraulic oil cylinder II is hinged between the outer side of the bearing plate IV and the base; the bearing plate II is in concave-convex fit with the bearing plate III; the bearing plate I is provided with an orifice matched with the working surface of the bearing die holder. The turnover device realizes 180-degree turnover of the upper die base by controlling the action of the hydraulic oil cylinder, and is safe and reliable in the whole turnover process.

Description

Die holder quick turnover device for caterpillar link forging

Technical Field

The utility model belongs to the technical field of the caterpillar link, concretely relates to caterpillar link forges with quick turning device of die holder.

Background

The caterpillar track section is a key part of a caterpillar track assembly of engineering mechanical equipment, is usually produced by adopting a hot die forging method, and in the automatic forging process, in order to improve the production efficiency, a caterpillar track section die is usually integrated on a set of multi-station die holder, and the forging and forming are finished by one press. When the mould is abnormal or reaches the service life, the upper mould base needs to be disassembled and turned for 180 degrees for mould repairing operation, the whole upper mould base has the mass of about 4.5 tons, the length, width and height of 2110 multiplied by 660 multiplied by 680mm, and the mould base body has long and large mass and is difficult to turn. The existing die holder overturning mode is realized by placing a steel wire rope in the center of the die holder, hanging two ends of the steel wire rope on lifting hooks of a double-hook traveling crane respectively, and then manually operating the double-hook traveling crane and controlling the two ends of the steel wire rope to lift. The overturning process has high operation requirements on personnel, 20 minutes is required for completing single overturning of the upper die base, and the overturning efficiency is low. In addition, because the middle part of the die holder is uneven, the trimming die and the guide pillar protrude obviously, the center of gravity of the die holder is unstable in the overturning process, the steel wire rope inclines and shakes easily, and great potential safety hazards exist.

Disclosure of Invention

In order to overcome above-mentioned prior art's weak point, the utility model provides a caterpillar link forges with quick turning device of die holder realizes 180 upsets to the upper die base through two upset platforms of mutually supporting.

The utility model discloses a realize through following technical scheme: a die holder quick turnover device for caterpillar link forging comprises a base, an L-shaped turnover table I and an L-shaped turnover table II, wherein the L-shaped turnover table I comprises a bearing plate I and a bearing plate II, and the L-shaped turnover table II comprises a bearing plate III and a bearing plate IV; the L-shaped overturning platform I is hinged with the base at an L-shaped bending part, a bearing plate II of the L-shaped overturning platform I is arranged towards the L-shaped overturning platform II, and a hydraulic oil cylinder I is hinged between the outer side of the bearing plate I and the base; the L-shaped overturning platform II is hinged with the base at the L-shaped bending part, a bearing plate III of the L-shaped overturning platform II is arranged towards the L-shaped overturning platform I, and a hydraulic oil cylinder II is hinged between the outer side of the bearing plate IV and the base; the bearing plate II is in concave-convex fit with the bearing plate III; a stroke limiting device I for the overturning angle of the L-shaped overturning platform I and a stroke limiting device II for the overturning angle of the L-shaped overturning platform II are arranged on the base; the bearing plate I is provided with an orifice matched with the working surface of the bearing die holder.

Further, the middle part of loading board III is equipped with U type opening, loading board II can overturn to in the U type opening at III middle parts of loading board.

Further, the stroke limiting device I comprises a stroke switch I matched with the bearing plate I and a stroke switch II matched with the bearing plate II; the stroke limiting device II comprises a stroke switch III used for being matched with the bearing plate III and a stroke switch IV used for being matched with the bearing plate IV; and the travel switch I, the travel switch II, the travel switch III and the travel switch IV are all in signal connection with a PLC control system for controlling the hydraulic station.

Furthermore, the number of the hydraulic oil cylinders I and the number of the hydraulic oil cylinders II are three.

Furthermore, the telescopic rod of the hydraulic oil cylinder I is hinged to the top of the bearing plate I, and the telescopic rod of the hydraulic oil cylinder II is hinged to the top of the bearing plate IV.

Furthermore, the telescopic rods of the three hydraulic oil cylinders I are uniformly hinged to the top of the bearing plate I, and the telescopic rods of the three hydraulic oil cylinders II are uniformly hinged to the top of the bearing plate IV.

The utility model has the advantages that: 1. the operation is simple, the upper die base is turned for 180 degrees by controlling the action of the hydraulic oil cylinder, and the whole turning process is safe and reliable; 2. compared with the prior art, the turnover device is higher in turnover efficiency, and the time required for turnover of 180 degrees of the upper die base once is shorter than 3 minutes.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic structural view of an L-shaped overturning platform I of the present invention;

fig. 4(a) is a schematic diagram of the state of the turnover i stage of the present invention;

fig. 4(b) is a schematic state diagram of the stage ii of the turnover according to the present invention;

fig. 4(c) is a schematic state diagram of the stage iii of turning over the present invention;

FIG. 5 is a schematic structural view of an upper die holder for forging a caterpillar link;

in the figure, the hydraulic station 1, the hydraulic station 2, the hydraulic oil cylinder I, 3, the L-shaped overturning platform I, 3-1, the bearing plate I, 3-2, the bearing plate II, 4, the L-shaped overturning platform II, 4-1, the bearing plate III, 4-2, the bearing plate IV, 4-3, the supporting plate 5, the hydraulic oil cylinder II, 6, the travel switch IV, 7, the travel switch I, 8, the rotating main shaft I, 9, the travel switch II, 10, the travel switch III, 11, the rotating main shaft II, 12 and the base.

Detailed Description

The invention will be further explained below with reference to the drawings and examples.

As shown in fig. 1 to 3, a die holder fast turnover device for forging a caterpillar link comprises a base 12, an L-shaped turnover table i 3 and an L-shaped turnover table ii 4. The base 12 serves as a bearing main body of an L-shaped overturning platform I3 and an L-shaped overturning platform II 4, wherein the L-shaped overturning platform I3 comprises a bearing plate I3-1 and a bearing plate II 3-2 which are vertically connected, and the L-shaped overturning platform II 4 comprises a bearing plate III 4-1 and a bearing plate IV 4-2 which are vertically connected. L type roll-over table I3 and L type roll-over table II 4 all bend in the L type department of bending and base 12 is articulated, and L type roll-over table I3 articulates on base 12 through rotary main shaft I8, and L type roll-over table II 4 articulates on base 12 through rotary main shaft II 11. When the L-shaped overturning platform I3 and the L-shaped overturning platform II 4 are overturned towards the inner side to be in place, the bearing plate II 3-2 and the bearing plate III 4-1 form concave-convex matching. A hydraulic oil cylinder I2 is hinged between the outer side of the bearing plate I3-1 and the base 12; a hydraulic oil cylinder II 5 is hinged between the outer side of the bearing plate IV 4-2 and the base 12. A stroke limiting device I for the overturning angle of the L-shaped overturning platform I3 and a stroke limiting device II for the overturning angle of the L-shaped overturning platform II 4 are arranged on the base 12; the bearing plate I3-1 is provided with an orifice matched with the working surface of the bearing die holder. When the die holder is turned over, firstly, the L-shaped turning table I3 is turned outwards, the L-shaped turning table II 4 is turned inwards, the die holder is placed in the bayonet of the L-shaped turning table I3, the working surface of the die holder is matched with the bearing plate I3-1, and the hole in the bearing plate I3-1 can accommodate the guide pillar and the trimming male die of the die holder (as shown in fig. 5, the guide pillar and the trimming female die which are obviously convex are arranged in the middle of the upper die holder). And then, the L-shaped overturning platform I3 is inwards overturned for 90 degrees, after overturning, the bearing plate II 3-2 and the bearing plate III 4-1 form concave-convex fit, and at the moment, the die holder is simultaneously supported on the bearing plate II 3-2 and the bearing plate III 4-1. And finally, the L-shaped overturning platform II 4 is outwards overturned by 90 degrees, so that 180-degree overturning of the die holder is realized.

As an improvement of this embodiment, as shown in FIG. 2, the specific structure of the concave-convex matching between the bearing plate II 3-2 and the bearing plate III 4-1 may be that a U-shaped opening is provided at the middle part of the bearing plate III 4-1, and the bearing plate II 3-2 can be turned over into the U-shaped opening at the middle part of the bearing plate III 4-1. In order to form more stable support for the upper die base, a U-shaped opening is also reserved in the middle of the bearing plate II 3-2, and the U-shaped opening of the bearing plate II 3-2 is smaller than that of the bearing plate III 4-1. And a supporting plate 4-3 is arranged in the U-shaped opening of the bearing plate III 4-1, and when the bearing plate III 4-1 supports the upper die base, the bearing plate III 4-1 and the supporting plate 4-3 positioned at two sides of the U-shaped opening support the upper die base together.

As the improvement of this embodiment, stroke stop device I is including being used for with I3-1 complex travel switch I7 of loading board and being used for with II 3-2 complex travel switch II 9 of loading board, and travel switch I7 is used for detecting whether L type roll-over table I3 turns up to target in place, and travel switch II 9 is used for detecting whether L type roll-over table I3 turns up to target in place. The stroke limiting device II comprises a stroke switch III 10 used for being matched with the bearing plate III 4-1 and a stroke switch IV 6 used for being matched with the bearing plate IV 4-2, the stroke switch III 10 is used for detecting whether the L-shaped overturning platform II 4 is overturned in place, and the stroke switch IV 6 is used for detecting whether the L-shaped overturning platform II 4 is overturned in place. The travel switch I7, the travel switch II 9, the travel switch III 10 and the travel switch IV 6 are in signal connection with the hydraulic station 1, specifically, the travel switch I7, the travel switch II 9, the travel switch III 10 and the travel switch IV 6 are in signal connection with a PLC control system, and then the PLC control system controls the hydraulic station 1 to further realize control over the hydraulic oil cylinder I2 and the hydraulic oil cylinder II 5.

As an improvement of the embodiment, three hydraulic oil cylinders I2 and three hydraulic oil cylinders II 5 are arranged. Furthermore, in order to be stressed uniformly, the telescopic rods of the three hydraulic oil cylinders I2 are uniformly hinged to the top of the bearing plate I3-1, and the telescopic rods of the three hydraulic oil cylinders II 5 are uniformly hinged to the top of the bearing plate IV 4-2.

Multistation caterpillar link die holder hoists to L type roll-over table I3 through the driving a vehicle on, and the design of the drill way of L type roll-over table I3 can make showing bellied guide pillar, side cut die and evenly inlay in the opening in the middle of the upper die holder, guarantees that the upper die holder is placed horizontally, steadily (as I stage of upset shown in fig. 4 (a)). The operating button is started, the hydraulic station 1 controls the three hydraulic oil cylinders I2 to slowly rise, the L-shaped overturning platform I3 drives the upper die base to start overturning, after the upper die base overturns for 90 degrees, the back surfaces of the bearing plates II 3-2 of the L-shaped overturning platform I3 touch the travel switch II 9, after signals are transmitted to the hydraulic station 1, overturning is stopped, and at the moment, the bearing plates II 3-2 of the L-shaped overturning platform I3 and the bearing plates III 4-1 of the L-shaped overturning platform II 4 are crossed in the horizontal direction to form concave-convex matching. The side surface of the upper die holder is attached to a bearing plate III 4-1 of the L-shaped overturning table II 4 (in an overturning II stage shown in fig. 4 (b)). And starting the operating button, slowly descending the three hydraulic oil cylinders II 5, driving the upper die base to overturn for 90 degrees again by the L-shaped overturning platform II 4, and stopping overturning after the back surface of the bearing plate IV 4-2 of the L-shaped overturning platform II 4 touches the travel switch IV 6, so as to finally realize 180-degree overturning of the die base (in an overturning stage III shown in fig. 4 (c)).

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all the modifications and equivalents of the technical spirit of the present invention to any simple modifications of the above embodiments are within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a caterpillar link forges with quick turning device of die holder which characterized in that: the device comprises a base (12), an L-shaped overturning platform I (3) and an L-shaped overturning platform II (4), wherein the L-shaped overturning platform I (3) comprises a bearing plate I (3-1) and a bearing plate II (3-2), and the L-shaped overturning platform II (4) comprises a bearing plate III (4-1) and a bearing plate IV (4-2); the L-shaped overturning platform I (3) is hinged with the base (12) at an L-shaped bending position, a bearing plate II (3-2) of the L-shaped overturning platform I (3) is arranged towards the L-shaped overturning platform II (4), and a hydraulic oil cylinder I (2) is hinged between the outer side of the bearing plate I (3-1) and the base (12); the L-shaped overturning platform II (4) is hinged with the base (12) at an L-shaped bending part, a bearing plate III (4-1) of the L-shaped overturning platform II (4) is arranged towards the L-shaped overturning platform I (3), and a hydraulic oil cylinder II (5) is hinged between the outer side of the bearing plate IV (4-2) and the base (12); the bearing plate II (3-2) is in concave-convex fit with the bearing plate III (4-1); a stroke limiting device I for the overturning angle of the L-shaped overturning platform I (3) and a stroke limiting device II for the overturning angle of the L-shaped overturning platform II (4) are arranged on the base (12); the bearing plate I (3-1) is provided with an orifice matched with the working surface of the bearing die holder.

2. The die holder quick turnover device for forging the caterpillar link as claimed in claim 1, wherein: the middle part of the bearing plate III (4-1) is provided with a U-shaped opening, and the bearing plate II (3-2) can be turned into the U-shaped opening in the middle part of the bearing plate III (4-1).

3. The die holder quick turnover device for forging the caterpillar link as claimed in claim 1, wherein: the stroke limiting device I comprises a stroke switch I (7) matched with the bearing plate I (3-1) and a stroke switch II (9) matched with the bearing plate II (3-2); the stroke limiting device II comprises a stroke switch III (10) matched with the bearing plate III (4-1) and a stroke switch IV (6) matched with the bearing plate IV (4-2); and the travel switch I (7), the travel switch II (9), the travel switch III (10) and the travel switch IV (6) are in signal connection with a PLC control system for controlling the hydraulic station (1).

4. The die holder quick turnover device for forging the caterpillar link as claimed in claim 1, wherein the die holder quick turnover device comprises: the hydraulic oil cylinders I (2) and the hydraulic oil cylinders II (5) are all provided with three hydraulic oil cylinders.

5. The die holder quick turnover device for forging the caterpillar link as claimed in claim 4, wherein: the telescopic rod of the hydraulic oil cylinder I (2) is hinged to the top of the bearing plate I (3-1), and the telescopic rod of the hydraulic oil cylinder II (5) is hinged to the top of the bearing plate IV (4-2).

6. The die holder quick turnover device for forging the caterpillar link as claimed in claim 5, wherein: the telescopic rods of the three hydraulic oil cylinders I (2) are uniformly hinged to the top of the bearing plate I (3-1), and the telescopic rods of the three hydraulic oil cylinders II (5) are uniformly hinged to the top of the bearing plate IV (4-2).