Forge piece punching die

Abstract

The utility model discloses a forge piece punching die which comprises a workbench, a lifting assembly is installed on the top of the workbench and comprises two hinged supports connected with one side of the outer wall of the top of the workbench through bolts, a die holder is placed on the top of the workbench and rotationally connected between the two hinged supports through a bearing, and the two hinged supports are connected with the die holder through bearings. A through groove is formed in one side of the outer wall of the top of the workbench, an ejector rod is rotationally connected to the interior of the workbench through a bearing and located in the through groove, a same torsional spring is connected between the ejector rod and the through groove and located below the die holder, and a supporting plate is fixedly connected to the outer wall of the top of the workbench. By arranging the lifting assembly, in order to enable a forge piece to be punched successfully and when a punch is withdrawn from the die holder, the automatic discharging function is achieved by enabling the die holder to incline automatically, and the working efficiency is remarkably improved through the improvement.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of forging production technology, and specifically to a forging punching die. BACKGROUND

[0002] The blanking die is the die that makes the material separate along the closed or open contour line, with the rapid development of global manufacturing industry and the increasing demand of downstream industry for high-quality and high-precision forging die, the forging punching die industry will usher in a broader market space.

[0003] Through the search, the utility model of patent announcement number CN222036497U discloses a kind of forging punching die, including base, wherein base upper side is equipped with fixed die backing plate, the fixed die backing plate both sides are symmetrically equipped with two groups of inclined wedge type fixed components;Fixed die backing plate upper end is equipped with article slot, wherein article slot bottom is equipped with punch hole;Fixed die backing plate upper side is equipped with mounting plate, wherein mounting plate lower end middle is fixedly installed with punch;The outer side of base is equipped with '' rectangle '' shaped support seat, wherein '' rectangle '' shaped support seat upper side is fixedly installed with stamping pneumatic cylinder.

[0004] The above device realizes the positioning of the forging by setting the article slot, so after completing the punching process, the finished product needs to be pried out from the article slot, which is relatively inconvenient to operate, and also affects the processing efficiency, and there is a safety hazard in the output end of the hydraulic cylinder. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of forging punching die to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of forging punching die, including workbench, the workbench top is installed with lifting assembly, the lifting assembly includes the hinge seat of two bolted connections of workbench top outer wall one side, the workbench top is placed with die holder, the die holder is rotatably connected between two hinge seats by bearing, the workbench top outer wall one side is equipped with through groove, the workbench is rotatably connected with top rod by bearing in interior, the top rod is in the inside of through groove, the same torsional spring is connected between top rod and through groove, and torsional spring is in the position below die holder, the workbench top outer wall is fixedly connected with support plate, the support plate top outer wall is fixedly installed with hydraulic cylinder, the hydraulic cylinder bottom is installed with punch assembly, the punch assembly is in the position directly above die holder.

[0007] As a further preferred of the technical solution, the outer wall of the hydraulic cylinder output end is fixedly connected with a driving frame, both ends of the driving frame are provided with a rack, both ends of the rotating shaft of the top rod are coaxially fixedly connected with a gear, and the two racks are respectively engaged with the two gears, the outer wall of the top of the supporting plate is fixedly connected with two stabilizing rods, and the driving frame is slidably sleeved outside the two stabilizing rods.

[0008] In order to make the forging successfully complete the punching, when the punch is withdrawn from the die holder, the self-discharging function is realized by automatically tilting the die holder, which significantly improves the work efficiency. The racks at both ends of the driving frame are engaged with the gears, the gears are driven to rotate clockwise, and the rotation angle is less than ninety degrees. With the disengagement of the rack and the gear, the torsional spring drives the top rod to return to the original position. When the driving frame is driven to move upward, the gear will be driven to rotate counterclockwise, and the top rod connected with the gear will move the movable end of the die holder, and the whole die holder will change into an inclined state. The finished product slides out of the positioning groove along the slope. With the disengagement of the rack and the gear, and the design that the rotation angle is less than ninety degrees, the top rod will automatically return to the original position under the driving of the torsional spring and the possible compression force of the die holder.

[0009] As a further preferred of the technical solution, the punching assembly comprises a punch connected to the output end of the hydraulic cylinder by bolts, the outer wall of the punch is bolted with a mounting ring, two slide rods are slidably inserted into the mounting ring, one reinforcing ring is fixedly connected to one end of the bottom of the two slide rods, and one spring is sleeved outside each of the two slide rods.

[0010] The mounting ring fixed outside the punch is driven to move downward synchronously, then the slide rods and the reinforcing ring will also move downward due to the spring being driven by the mounting ring. Since the reinforcing ring is below the punch, the reinforcing ring will contact the forging before the punch. As the punch continues to move, the spring is compressed and shortened, and its reaction force is applied to the top of the forging through the reinforcing ring, and the pressure will also gradually increase, effectively avoiding the displacement of the forging during processing.

[0011] As a further preferred of the technical solution, two reinforcing ribs are fixedly connected to the outer wall of the top of the mounting ring on both sides, and the two reinforcing ribs are distributed on both sides of the slide rods.

[0012] As a further preferred of the technical solution, a positioning groove is formed in the outer wall of the top of the die holder, and the two edges close to the outside of the positioning groove are provided with rounded corners.

[0013] As a further preferred of the technical solution, two limiting rods are fixedly connected to the outer wall of the top of the punch, and both of the two limiting rods are slidably inserted into the supporting plate.

[0014] As a further preferred technical scheme of the present application, the outer wall of the top of the workbench is fixedly connected with two positioning plates, the two positioning plates are respectively attached to the outer walls of the two ends of the die holder, and the outer edges of the two positioning plates are both provided with arc-shaped edges.

[0015] The forging punching die has the following beneficial effects:

[0016] (1) The lifting assembly is arranged, so that when the punch is removed from the die holder after the forging is successfully punched, the die holder is automatically tilted, thereby achieving the self-discharging function, which significantly improves the work efficiency.

[0017] (2) The punching assembly is arranged, the mounting ring fixed to the outside of the punch is driven to move downward synchronously, then the sliding rod and the reinforcing ring are also driven to move downward due to the spring, the reinforcing ring is below the punch, so the reinforcing ring will contact the forging before the punch, as the punch continues to move, the spring is compressed and shortened, the reaction force is applied to the top of the forging through the reinforcing ring, and the pressure will also gradually increase, thereby effectively preventing the position of the forging from being deviated during processing. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a first perspective view of the overall structure of the utility model;

[0019] Figure 2 It is a second perspective view of the overall structure of the utility model;

[0020] Figure 3 It is a first perspective view of the overall structure of the utility model; Figure 1 It is an enlarged structure diagram of position A in the utility model;

[0021] Figure 4 It is an enlarged structure diagram of position B in the utility model; Figure 2 It is an enlarged structure diagram of position B in the utility model;

[0022] In the figure: 1, workbench; 2, die holder; 3, positioning groove; 4, support plate; 5, hydraulic cylinder; 6, limiting rod; 7, positioning plate; 8, lifting assembly; 9, punching assembly; 801, driving frame; 802, gear; 803, ejector rod; 804, torsional spring; 805, hinge base; 806, stabilizing rod; 901, punch; 902, mounting ring; 903, slide rod; 904, reinforcing ring; 905, spring; 906, reinforcing rib. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0024] The utility model provides technical schemes: such as Figure 2 And Figure 4 As shown in the figure, in the embodiment, a forging punching die, including workbench 1, workbench 1 top installation has lifting assembly 8, lifting assembly 8 includes the hinge base 805 of the one side bolt connection of workbench 1 top outer wall, workbench 1 top is placed with die holder 2, die holder 2 is rotationally connected between two hinge bases 805 through bearing, workbench 1 top outer wall one side is equipped with the through slot, workbench 1 is rotationally connected with ejector rod 803 through bearing in the inside, and the same torsional spring 804 is connected between ejector rod 803 and the through slot, and torsional spring 804 is located in the position below die holder 2, workbench 1 top outer wall is fixedly connected with support plate 4, support plate 4 top outer wall is fixedly installed with hydraulic cylinder 5, hydraulic cylinder 5 bottom is installed with punching assembly 9, and punching assembly 9 is located in the position directly above die holder 2, and the hydraulic cylinder 5 of support plate 4 top is started, and the output end of hydraulic cylinder 5 drives punch 901 to be close to forging, then under the cooperation of die holder 2, punching work can be completed.

[0025] The output end circumferential outer wall of hydraulic cylinder 5 is fixedly connected with driving frame 801, one rack is arranged at both ends of driving frame 801, one gear 802 is fixedly arranged at both ends of the rotating shaft of ejector rod 803 coaxially, and the two racks are engaged with the two gears 802 respectively, two stabilizing rods 806 are fixedly connected with the top outer wall of support plate 4, and driving frame 801 is slidably sleeved outside the two stabilizing rods 806.

[0026] The rack at both ends of the driving frame 801 is engaged with the gear 802, the gear 802 is driven to rotate clockwise by an angle less than ninety degrees, and then the rack and the gear 802 are disengaged, the torsional spring 804 drives the top rod 803 to return to the original position. When the driving frame 801 is driven to move upwards, the gear 802 is driven to rotate counterclockwise, and the top rod 803 connected with the gear 802 moves upwards along the movable end of the die holder 2, and the die holder 2 as a whole changes into an inclined state, and the finished product slides out of the positioning groove 3 along the slope. With the disengagement of the rack and the gear 802 and the design that the rotation angle is less than ninety degrees, the top rod 803 is automatically returned to the original position under the driving of the torsional spring 804 and the possible compression force of the die holder 2.

[0027] As shown in Figure 2 and Figure 3 , the punching assembly 9 comprises a punch 901 bolted at the output end of the hydraulic cylinder 5, the outer wall of the circumference of the punch 901 is bolted with a mounting ring 902, two slide rods 903 are slidingly inserted into the inside of the mounting ring 902, the same reinforcing ring 904 is fixedly connected to one end of the bottom of the two slide rods 903, and one spring 905 is sleeved on the outside of each of the two slide rods 903.

[0028] The mounting ring 902 fixed on the outside of the punch 901 is driven to move downwards synchronously, then the slide rods 903 and the reinforcing ring 904 are also driven to move downwards by the spring 905 due to the mounting ring 902, and since the reinforcing ring 904 is below the punch 901, the reinforcing ring 904 will contact the forge piece before the punch 901, and as the punch 901 continues to move, the spring 905 is compressed and shortened, and its reaction force is applied to the top of the forge piece through the reinforcing ring 904, and the pressure also gradually increases, effectively avoiding the position of the forge piece from shifting during processing.

[0029] As shown in Figure 3 , two reinforcing ribs 906 are fixedly connected to the outer wall on both sides of the top of the mounting ring 902, and the two reinforcing ribs 906 are distributed on both sides of the slide rods 903, which is beneficial to improve the stability of the mounting ring 902.

[0030] As shown in Figure 1 , the positioning groove 3 is formed in the outer wall of the top of the die holder 2, and the two edges close to the outside of the positioning groove 3 are provided with rounded corners, so that the insertion process is more convenient.

[0031] As shown in Figure 1 and Figure 2 , two limiting rods 6 are fixedly connected to the outer wall of the top of the punch 901, and the two limiting rods 6 are slidingly inserted into the inside of the supporting plate 4, which can increase the stability of the punch 901 and avoid the position from shifting.

[0032] As shown in Figure 1 and Figure 2As shown, the outer wall of the top of the workbench 1 is fixedly connected with two positioning plates 7, the two positioning plates 7 are respectively attached to the outer walls of the two ends of the mold base 2, and the stability of the mold base 2 is improved, so that the machining precision is guaranteed, and the outer edges of the two positioning plates 7 are provided with arc edges, so that the fault tolerance of the mold base 2 is higher during the falling process from the inclined state.

[0033] The utility model provides a kind of forging punching die, specific working principle is as follows:

[0034] When the device works, the workpiece to be processed is inserted from the opening at one end of the positioning groove 3, and under the limitation of the positioning groove 3, the position to be processed of the workpiece will be just below the punch 901, then the hydraulic cylinder 5 at the top of the support plate 4 is started, the output end of the hydraulic cylinder 5 drives the punch 901 to approach the workpiece, and then the punching work can be completed under the cooperation of the mold base 2, during which the mounting ring 902 fixed outside the punch 901 is driven to move downward synchronously, then the slide rod 903 and the reinforcing ring 904 will also move downward due to the spring 905 being driven by the mounting ring 902, because the reinforcing ring 904 is below the punch 901, the reinforcing ring 904 will contact the workpiece before the punch 901, with the continuous movement of the punch 901, the spring 905 is compressed and shortened, and its reaction force is applied to the top of the workpiece through the reinforcing ring 904, and the pressure will also gradually increase, effectively avoiding the position of the workpiece from shifting during processing.

[0035] Although the embodiments of the utility model 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 utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A forging piercing die comprising a table (1), characterized in that: The workbench (1) top is provided with a lifting assembly (8), the lifting assembly (8) comprises two hinge seats (805) bolted on one side of the outer wall of the workbench (1) top, a die holder (2) is placed on the workbench (1) top, the die holder (2) is rotatably connected between the two hinge seats (805) through bearings, a through slot is formed on one side of the outer wall of the workbench (1) top, a jack (803) is rotatably connected inside the workbench (1) through a bearing, the jack (803) is inside the through slot, a torsional spring (804) is connected between the jack (803) and the through slot, and the torsional spring (804) is located below the die holder (2), a support plate (4) is fixedly connected to the outer wall of the workbench (1) top, a hydraulic cylinder (5) is fixedly installed on the outer wall of the support plate (4) top, a punching assembly (9) is installed at the bottom of the hydraulic cylinder (5), and the punching assembly (9) is located directly above the die holder (2).

2. A forging piercing die according to claim 1, wherein: The output end of the hydraulic cylinder (5) is fixedly connected with a driving frame (801), one rack is arranged at each end of the driving frame (801), one gear (802) is fixedly arranged at each end of the rotating shaft of the jack (803), and the two racks are engaged with the two gears (802), respectively, two stabilizing rods (806) are fixedly connected to the outer wall of the support plate (4) top, and the driving frame (801) is slidably sleeved outside the two stabilizing rods (806).

3. A forging piercing die according to claim 1 wherein: The punching assembly (9) comprises a punch (901) bolted to the output end of the hydraulic cylinder (5), a mounting ring (902) is bolted to the circumferential outer wall of the punch (901), two slide rods (903) are slidably inserted into the mounting ring (902), one reinforcing ring (904) is fixedly connected to one end of the bottom of the two slide rods (903), and one spring (905) is sleeved outside each of the two slide rods (903).

4. A forging piercing die according to claim 3, wherein: Two reinforcing ribs (906) are fixedly connected to the outer wall of the mounting ring (902) on both sides of the top, and the two reinforcing ribs (906) are arranged at the positions on both sides of the slide rod (903).

5. A forging piercing die according to claim 1 wherein: A positioning groove (3) is formed in the outer wall of the top of the die holder (2), and the two edges close to the outside of the positioning groove (3) are provided with rounded corners.

6. A forging piercing die according to claim 3 wherein: Two limiting rods (6) are fixedly connected to the outer wall of the top of the punch (901), and the two limiting rods (6) are slidably inserted into the support plate (4).

7. A swage die according to claim 1 wherein: Two positioning plates (7) are fixedly connected to the outer wall of the workbench (1) top, the two positioning plates (7) are respectively attached to the outer walls of the two ends of the die holder (2), and the outer edges of the two positioning plates (7) are provided with arc-shaped edges.

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