Steel shovel hot forging die

Abstract

The utility model relates to the technical field of hot forging dies, and discloses a steel spade hot forging die which comprises a lower die base, an upper die base, a lower die cavity, a forming groove, a receding opening, a displacement mechanism, an edge check block, a rod groove forming rod, an extrusion matching block, a pushing-out mechanism, an ejection mechanism, an upper die cavity and a pressing block. By the adoption of the structure, the receding opening and the side check block are arranged, a larger space can be provided for entering and exiting of a preformed blank, meanwhile, the side check block can be driven by the displacement mechanism to drive the preformed blank to enter the forming groove, a steel shovel can be pushed out of the forming groove through the pushing-out mechanism, and the steel shovel can be ejected out through the ejection mechanism; therefore, the in-out difficulty of products is reduced; and the stick groove forming rod is arranged and can be inserted into a stick groove of a preformed blank, so that the preformed blank is stabilized and limited, in the subsequent forging process, the stick groove is supported by being matched with the extrusion matching block to be completely formed, and stick groove deformation of the steel spade in the forging process is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to hot forging die technical field, concretely is a kind of steel shovel hot forging die. BACKGROUND

[0002] Steel shovel hot forging die is the hot forging process die equipment for manufacturing steel shovel head, there are two types in hot forging process, one is powder preform without presintering and carries out hot forging, called powder forging, another is powder preform after presintering and carries out hot forging, called powder sintering forging.Most of the latter, and sintering in protective atmosphere, so that it has certain strength, then preform is heated to forging temperature. After heat preservation, it is rapidly placed into die bore and forged, and it can be forged into the forged piece meeting design requirements once. The existing part steel shovel usually has the stick slot of inserting use stick, and the arc opening shape of the stick slot is not easy to be loaded and unloaded on the die in the process of adopting die to preform forging. SUMMARY

[0003] The utility model mainly provides a kind of steel shovel hot forging die, solve the existing part steel shovel usually has the stick slot of inserting use stick, and the arc opening shape of the stick slot is not easy to be loaded and unloaded on the die in the process of adopting die to preform forging.

[0004] To solve the above technical problem, the utility model adopts the following technical scheme:

[0005] The application discloses a spade hot forging die, which comprises a lower die base and an upper die base, the lower die base is provided with a lower die cavity, the lower die cavity is provided with a forming groove, the lower die cavity is provided with a displacement mechanism on the outside of the lower die cavity, the displacement mechanism is provided with an edge block for matching the displacement mechanism, the edge block is linearly displaced by the displacement mechanism, the forming groove is provided with a stick groove forming rod on the opposite side of the edge block, the lower end of the stick groove forming rod is provided with an extrusion matching block between the forming groove, the lower die cavity is provided with a push-out mechanism on the side of the stick groove forming rod, and the forming groove is provided with an ejection mechanism below the forming groove; the upper die base is provided with an upper die cavity for matching the lower die cavity, and the upper die cavity is provided with a pressing block for matching the forming groove. When a pre-sintered preformed blank is placed into the forming groove, the edge block is driven outward by the displacement mechanism to provide a larger space for the preformed blank, then the displacement mechanism drives the edge block to reset, so that the preformed blank is laterally moved into the forming groove by the driving of the edge block, and the stick groove forming rod enters the arc opening of the preformed blank to stabilize and limit the preformed blank, then the lower die cavity and the pressing block are driven to descend by the upper die base, so that the preformed blank is forged by the pressing block and the forming groove, after the forging is completed, the upper die base is reset, then the edge block is opened again by the displacement mechanism, then the spade is pushed out by the push-out mechanism, and the spade is ejected out of the forming groove by the ejection mechanism. By adopting the structure, the preformed blank can be easily put in and taken out, the edge block can drive the preformed blank into the forming groove, the spade can be pushed out of the forming groove by the push-out mechanism, and the spade can be ejected out by the ejection mechanism, so that the difficulty of putting in and taking out the product is reduced; the stick groove forming rod can be inserted into the stick groove of the preformed blank, so that the preformed blank is stabilized and limited, and the complete forming of the stick groove is supported by the extrusion matching block in the subsequent forging, so that the stick groove of the spade is prevented from being deformed in the forging process.

[0006] Further, the lower die cavity is provided with a limiting groove corresponding to the displacement mechanism, the limiting groove is provided with a limiting rod, and the edge block is provided with a limiting hole for matching the limiting rod. By adopting the structure, the edge block can be guided and limited in the displacement process, so that the position of the edge block is accurate.

[0007] Further, the displacement mechanism comprises a support arranged on the lower die base, a screw rod is rotationally connected between the support and the lower die cavity, a motor is arranged on the support to drive the screw rod to rotate, and a guide rod is arranged between the support and the lower die cavity. The side block is threadedly connected with the screw rod and slidably connected with the guide rod. With the structure, the motor can drive the screw rod to rotate, thereby driving the side block to displace together with the guide rod, and the overall structure is simple and stable.

[0008] Further, the pushing-out mechanism comprises a pushing cylinder arranged on the lower die base, an output end of the pushing cylinder is provided with a pushing rod, and a horizontal rod hole is arranged on the lower die base to cooperate with the pushing rod. With the structure, the pushing cylinder can drive the pushing rod to move, so that the pushing rod displaces in the horizontal rod hole towards the forming groove, thereby pushing the product in the forming groove out of the displacement outlet.

[0009] Further, the ejection mechanism comprises an ejection cylinder arranged on the lower side of the lower die base, an output end of the ejection cylinder is provided with an ejection rod, and a vertical rod hole is arranged on the lower die cavity and the lower die base to cooperate with the ejection rod. With the structure, the ejection cylinder can drive the ejection rod to move up and down in the vertical rod hole, thereby ejecting the spade by the ejection rod to realize discharging.

[0010] Further, the ejection rod comprises a positioning sleeve rod and a movable rod, the movable rod is arranged on the ejection cylinder and displaces up and down by the driving of the ejection cylinder, a rod groove is arranged on the positioning sleeve rod to cooperate with the movable rod, and a limiting table is arranged in the vertical rod hole to cooperate with the positioning sleeve rod. With the structure, the positioning sleeve rod and the movable rod are designed in a split type, and the limiting table is arranged to cooperate with the positioning sleeve rod, so that the positioning sleeve rod can be limited when the movable rod excessively descends, thereby reducing the damage of the ejection cylinder when the pressing block cooperates with the forming groove to form, and prolonging the service life.

[0011] Further, a heat conduction block is arranged in the lower die cavity, a medium groove is arranged in the lower die base, the medium groove is communicated with an external medium storage device through a flow pipe, and the lower end of the heat conduction block extends into the medium groove. The external medium storage device can store the medium and provide power for the flow of the medium. With the structure, the surface of the spade can be rapidly cooled after the spade is formed, so that the spade is cooled and shaped in time, and collision during subsequent taking out is prevented to cause deformation of the spade.

[0012] Beneficial effects: by adopting the structure of the application, the retreat position and the edge block are arranged, the preform can have greater space for entering and exiting, the edge block can drive the preform into the forming groove through the driving of the displacement mechanism, the spade can be pushed out of the forming groove through the pushing mechanism, and the spade can be pushed out through the ejection mechanism, so that the difficulty of product entering and exiting is reduced; and the setting of the stick groove forming rod can be inserted into the stick groove of the preform, so that the preform is stabilized and limited, and in subsequent forging, the complete forming of the stick groove is supported in cooperation with the extrusion fitting block, so that the stick groove is prevented from deforming during forging. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a lower die cavity sectional view schematic diagram of the embodiment;

[0014] Figure 2 is a top view schematic diagram of the lower die cavity of the embodiment;

[0015] Figure 3 is a schematic diagram of the ejection mechanism of the embodiment.

[0016] Fig. 1 is a schematic diagram of the steel spade hot forging die of the embodiment. DETAILED DESCRIPTION

[0017] The technical scheme of the steel spade hot forging die of the embodiment will be further described in detail below.

[0018] In the description of the present application, it should be pointed out that, unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0019] As Figure 1 , Figure 2 , Figure 3The illustrated, the steel shovel hot forging die of the embodiment, including lower die seat 1 and upper die seat 2, the lower die seat 1 is provided with lower die cavity 3, the lower die cavity 3 is opened in the forming groove 4, the lower die cavity 3 of corresponding forming groove 4 side is opened in the displacement mouth 5, the lower die seat 1 of the lower die cavity 3 outside is provided with displacement mechanism, the displacement mechanism is provided with the side stopper 6 for cooperating the displacement mouth 5, the side stopper 6 is driven by the displacement mechanism and linearly displaces, the side stopper 6 relative to one side of the forming groove 4 is provided with stick groove forming rod 7 in, the lower end of the stick groove forming rod 7 and the forming groove 4 between the extrusion fit block 8 is provided with, corresponding the lower die cavity 3 outside of the stick groove forming rod 7 side is provided with push-out mechanism, corresponding the forming groove 4 lower position is provided with the ejection mechanism;The upper die seat 2 is provided with the upper die cavity 9 for cooperating the lower die cavity 3, the upper die cavity 9 is provided with the pressure block 10 for cooperating the forming groove 4.Corresponding the displacement mouth 5 of the lower die cavity 3 is opened in the limiting slot, the limiting slot is provided with the limiting rod 11, the side stopper 6 is opened in the limiting hole 12 for cooperating the limiting rod 11.The displacement mechanism includes the support provided on the lower die seat 1, the support is rotatably connected with screw rod 13 between the lower die cavity 3, the support is provided with motor 14 for driving the screw rod 13 rotation, the support and the lower die cavity 3 are provided with guide rod 15;The side stopper 6 is threadedly connected with the screw rod 13, the side stopper 6 is slidably connected with the guide rod 15.The push-out mechanism includes the push cylinder 16 provided on the lower die seat 1, the output end of the push cylinder 16 is provided with push rod 17, the lower die seat 1 is opened in the cross bar hole for cooperating the push rod 17.The ejection mechanism includes the ejection cylinder 18 provided on the lower side of the lower die seat 1, the output end of the ejection cylinder 18 is provided with the top rod, the lower die cavity 3 and lower die seat 1 are opened in the vertical rod hole for cooperating the top rod.The top rod includes positioning sleeve rod 19 and movable rod 20, the movable rod 20 is provided on the ejection cylinder 18, and is driven by the ejection cylinder 18 and is displaced up and down, the positioning sleeve rod 19 is opened in the rod groove for cooperating the movable rod 20, the vertical rod hole is provided with the limiting table 21 for cooperating the positioning sleeve rod 19.The lower die cavity 3 is provided with heat conducting block 22, the lower die seat 1 is opened in the medium groove 23, the medium groove 23 is communicated with external medium storage equipment through flow pipe, the lower end of the heat conducting block 22 extends into the medium groove 23.When using, the pre-sintered preform needs to be placed into the forming groove 4, and the displacement mechanism drives the side block 6 to move outward to make the preform have a larger space for placement. Then the displacement mechanism drives the side block 6 to reset, so that the preform can be moved laterally into the forming groove 4 by the side block 6, and the rod slot forming rod 7 enters the arc opening of the preform for stabilization and limiting. Then the upper die seat 2 drives the lower die cavity 3 and the pressing block 10 to descend, so that the preform is forged by the pressing block 10 cooperating with the forming groove 4. After forging, the upper die seat 2 resets, and then the displacement mechanism drives the side block 6 to open again. Then the steel shovel is pushed out by the pushing mechanism, and the steel shovel is pushed out of the forming groove 4 by the ejection mechanism. By adopting the structure of the present application, the retreat port 5 and the side block 6 are provided, which can make the preform have a larger space for entry and exit. At the same time, the side block 6 can drive the preform into the forming groove 4 by the driving of the displacement mechanism, the steel shovel can be pushed out of the forming groove 4 by the pushing mechanism, and the steel shovel can be pushed out by the ejection mechanism, thereby reducing the difficulty of product entry and exit. The setting of the rod slot forming rod 7 can be inserted into the rod slot of the preform, thereby stabilizing and limiting the preform, and in the subsequent forging, the complete forming of the rod slot is supported by the extrusion fitting block 8, thereby preventing the rod slot of the steel shovel from deforming during forging.

[0020] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A spade hot forging die characterized by: The utility model provides a moulding device, including lower mould base and upper mould base, be provided with lower mould cavity on lower mould base, open the forming groove in lower mould cavity, open the retreat position on the lower mould cavity of forming groove side, be provided with displacement mechanism on the lower mould base of lower mould cavity outside, be provided with side stopper for cooperation retreat position on displacement mechanism, side stopper is driven by displacement mechanism and linearly shifts, be provided with stick groove forming rod in forming groove of side stopper relative side, be provided with extrusion cooperation block between lower end of stick groove forming rod and forming groove, be provided with push -out mechanism outside lower mould cavity corresponding stick groove forming rod side, be provided with ejection mechanism corresponding forming groove position below, be provided with upper mould cavity of cooperation lower mould cavity on upper mould base, be provided with pressure block of cooperation forming groove in upper mould cavity.

2. A spade hot forging die according to claim 1, characterized in that: The lower mould cavity corresponding to the retreat position is provided with a limiting slot, and the limiting slot is provided with a limiting rod.

3. A spade hot forging die according to claim 2, characterized in that: The displacement mechanism includes a support arranged on the lower mould base, a screw rod rotatably connected between the support and the lower mould cavity, a motor arranged on the support for driving the screw rod to rotate, and a guide rod arranged between the support and the lower mould cavity.

4. A spade hot forging die according to claim 1, characterized in that: The push-out mechanism includes a push cylinder arranged on the lower mould base, an output end of the push cylinder is provided with a push rod, and the lower mould base is provided with a cross rod hole matched with the push rod.

5. A spade hot forging die according to claim 1, characterized in that: The ejection mechanism includes an ejection cylinder arranged on the lower side of the lower mould base, an output end of the ejection cylinder is provided with a top rod, and the lower mould cavity and the lower mould base are provided with a vertical rod hole matched with the top rod.

6. A spade hot forging die according to claim 5, characterized in that: The top rod includes a positioning sleeve rod and a movable rod, the movable rod is arranged on the ejection cylinder and is driven by the ejection cylinder to move up and down, the positioning sleeve rod is provided with a rod groove matched with the movable rod, and the vertical rod hole is provided with a limiting table matched with the positioning sleeve rod.

7. A spade hot forging die according to claim 1, characterized in that: The lower mould cavity is provided with a heat conducting block, the lower mould base is provided with a medium groove, the medium groove is communicated with external medium storage equipment through a flow pipe, and the lower end of the heat conducting block extends into the medium groove.

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