Punch forming die for vehicle door hinge support

Abstract

The utility model relates to the technical field of vehicle accessory production, in particular to a vehicle door hinge support punch forming die. Comprising a table top, a lower die, an upper die mechanism and a pushing mechanism. A portal frame is arranged on the table board; the lower die is arranged on the table board; the upper die mechanism is arranged above the lower die, the upper die mechanism comprises a movable upper die and two fixed upper dies arranged on the two sides of the movable upper die respectively, a mounting base is arranged above the upper die mechanism, an elastic assembly is connected between the movable upper die and the mounting base, and a hydraulic cylinder used for driving the mounting base to ascend and descend is mounted on the portal frame; the pushing mechanism comprises a pushing frame installed on the table top in a sliding mode and a transmission assembly used for converting vertical motion of the installation base into translational motion of the pushing frame. According to the technical scheme, automatic discharging work can be achieved in the punching process, and therefore the production efficiency of equipment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle accessories production technical field, in particular to a door hinge support stamping forming die. BACKGROUND

[0002] The upper support of the door hinge needs to be bent into a "several" character shape, and the workpiece is a thin-walled part and the bending forming surface is simple, so the workpiece is directly bent into shape manually or directly stamped into shape by using a simple stamping die, and the workpiece bending forming is often not in place and the bending size is out of tolerance.

[0003] The patent with the authorized announcement number CN206185002U discloses a door hinge upper support machining die, which comprises an upper die structure and a lower die structure.

[0004] The patent still has the following technical defects: in the continuous stamping process, the formed workpiece is left on the lower die, and manual unloading is required, and the manual unloading and the machine stamping cannot be synchronized, thereby affecting the production efficiency of the equipment. UTILITY MODEL CONTENT

[0005] The utility model aims at the problems in the background art and provides a door hinge support stamping forming die.

[0006] The technical scheme of the utility model relates to a door hinge support stamping forming die, which comprises:

[0007] A table is provided with a portal frame;

[0008] A lower die is arranged on the table;

[0009] An upper die mechanism is arranged above the lower die, and the upper die mechanism comprises a movable upper die and two fixed upper dies arranged on the two sides of the movable upper die; an installation seat is arranged above the upper die mechanism; the fixed upper dies are connected with the installation seat; the movable upper die is slidingly installed on the installation seat; a cavity is formed in the installation seat; the upper end of the movable upper die is movably arranged inside the cavity; an elastic component is connected between the movable upper die and the installation seat; and a hydraulic cylinder for driving the installation seat to ascend and descend is installed on the portal frame.

[0010] A pushing mechanism comprises a pushing frame slidingly installed on the table and a transmission assembly for converting the vertical movement of the installation seat into the translational movement of the pushing frame.

[0011] Preferably, the transmission assembly comprises a first rack gear, a first gear, a second gear, a second rack gear, a synchronous belt and two synchronous pulleys, the upper end of the table is provided with a mounting frame, the upper and lower ends of the mounting frame are rotatably provided with a first transmission shaft and a second transmission shaft respectively, the first rack gear is arranged on the mounting seat, the first gear is arranged on the first transmission shaft, the first gear is engaged with the first rack gear, the second gear is arranged on the second transmission shaft, the second rack gear is slidably arranged on the mounting frame and connected with the pushing frame, the second rack gear is engaged with the second gear, the two synchronous pulleys are arranged on the first transmission shaft and the second transmission shaft respectively, and the two synchronous pulleys are connected through the synchronous belt.

[0012] Preferably, the elastic assembly comprises a guide rod and a spring, the guide rod is arranged on the inner side of the cavity, the movable upper die is provided with a sliding block, and the sliding block is slidably arranged on the guide rod.

[0013] Preferably, the upper end of the table is connected with a plurality of limiting pieces, and the limiting pieces are L-shaped.

[0014] Preferably, the upper end of the table is connected with a plurality of limiting pieces, and the limiting pieces are L-shaped.

[0015] Preferably, in the initial state, the bottom end of the movable upper die is located below the bottom end of the fixed upper die.

[0016] Compared with the prior art, the utility model has the advantages of the following beneficial technical effects:

[0017] In the technical scheme, in the process that the upper die mechanism is driven to run downwards, the movable upper die first realizes the pressing of the workpiece, the setting of the elastic assembly makes the movable upper die not continue to run downwards, the fixing work of the workpiece is realized, and the phenomenon that the workpiece is loose in the stamping process is prevented.

[0018] The vertical movement of the upper die mechanism can be converted into the translational movement of the pushing frame through the transmission assembly, so that the function of automatic pushing is realized, and the production efficiency of the equipment is improved. DRAWINGS

[0019] Figure 1 And Figure 2 are structural schematic diagrams of the utility model.

[0020] Figure 3 is a sectional structure view of the mounting seat in the utility model.

[0021] Label: 1, table; 101, chute; 2, hydraulic cylinder; 3, lower mold; 41, movable upper mold; 42, fixed upper mold; 5, limiting piece; 6, controller; 7, mounting seat; 701, cavity; 8, first rack; 9, mounting frame; 10, first gear; 11, synchronous belt; 12, synchronous pulley; 13, second gear; 14, second rack; 15, push frame; 17, gantry; 18, guide rod; 19, spring. DETAILED DESCRIPTION

[0022] Example one

[0023] As Figures 1-3 shown, the vehicle door hinge bracket stamping forming die provided by the embodiment comprises a table 1, a lower mold 3, an upper mold mechanism and a pushing mechanism.

[0024] The table 1 is provided with a gantry 17, and a controller 6 is further installed on the gantry 17. The controller is a PLC controller, which is used to control the hydraulic cylinder 2. The lower mold 3 is arranged on the table 1. The upper mold mechanism is arranged above the lower mold 3 and comprises a movable upper mold 41 and two fixed upper molds 42 arranged on both sides of the movable upper mold 41. In the initial state, the bottom end of the movable upper mold 41 is located below the bottom end of the fixed upper mold 42. An installation seat 7 is arranged above the upper mold mechanism. The fixed upper mold 42 is connected with the installation seat 7. The movable upper mold 41 is slidingly installed on the installation seat 7. A cavity 701 is formed in the installation seat 7. The upper end of the movable upper mold 41 is movably arranged inside the cavity 701. An elastic assembly is connected between the movable upper mold 41 and the installation seat 7. The elastic assembly comprises a guide rod 18 and a spring 19. The guide rod 18 is arranged inside the cavity 701. A sliding block is connected to the movable upper mold 41 and slidingly installed on the guide rod 18. The spring 19 is sleeved and installed on the guide rod 18. The gantry 17 is provided with a hydraulic cylinder 2 for driving the installation seat 7 to ascend and descend.

[0025] The pushing mechanism comprises a pushing frame 15 slidingly mounted on the table 1 and a transmission assembly for converting the vertical movement of the mounting seat 7 into the translational movement of the pushing frame 15, the transmission assembly comprising a first rack 8, a first gear 10, a second gear 13, a second rack 14, a synchronous belt 11 and two synchronous pulleys 12, the upper end of the table 1 is provided with a mounting frame 9, the upper and lower ends of the mounting frame 9 are rotatably mounted with a first transmission shaft and a second transmission shaft respectively, the first rack 8 is arranged on the mounting seat 7, the first gear 10 is mounted on the first transmission shaft and engaged with the first rack 8, the second gear 13 is mounted on the second transmission shaft, the second rack 14 is slidingly mounted on the mounting frame 9 and connected with the pushing frame 15, the second rack 14 is engaged with the second gear 13, the two synchronous pulleys 12 are mounted on the first transmission shaft and the second transmission shaft respectively and are drivingly connected through the synchronous belt 11, during operation, when the mounting seat 7 moves, the first rack 8 moves, the first rack 8 drives the first gear 10 and the first transmission shaft to rotate, the second transmission shaft is driven to rotate under the transmission action of the synchronous belt 11 and the two synchronous pulleys 12, the second transmission shaft drives the second gear 13 to rotate, and the second gear 13 drives the second rack 14 and the pushing frame 15 to move.

[0026] The table 1 is provided with an inclined chute 101 on the side away from the pushing mechanism, which helps the workpiece to slide off the table 1 after unloading.

[0027] Specifically, during operation, the workpiece for stamping into a door hinge bracket is placed on the lower die 3, then the hydraulic cylinder 2 is started to work, the hydraulic cylinder 2 drives the mounting seat 7 and the upper die mechanism to move downward, the movable upper die 41 first contacts the workpiece, with the continuous movement of the mounting seat 7, the movable upper die 41 is fixed in position to clamp the workpiece, and at this time the spring 19 is compressed, when the two fixed upper dies 42 are moved to the bottom end limiting position, the stamping work of the workpiece is completed, then during the upward movement of the mounting seat 7 driven by the hydraulic cylinder 2, the pushing frame 15 moves to the side of the lower die 3 under the cooperation of the transmission assembly, when the upper die mechanism is completely separated from the workpiece, the end of the pushing frame 15 contacts the workpiece at this time, with the continuous upward movement of the mounting seat 7, the pushing frame 15 pushes the workpiece away from the lower die 3, the separated workpiece slides through the inclined chute 101 to the barrel, realizing the function of automatic unloading and improving the work efficiency; when the next round of stamping work is performed, the workpiece is placed on the lower die 3, at this time the workpiece is above the pushing frame 15, therefore it does not hinder the placement of the workpiece, with the downward movement of the mounting seat 7, the pushing frame 15 is gradually withdrawn from below the workpiece, therefore it does not affect the subsequent stamping work.

[0028] Embodiment two

[0029] As Figure 1As shown, the vehicle door hinge support stamping forming die provided by the embodiment, compared with the first embodiment, in the embodiment, the upper portion of the table 1 is connected with a plurality of limiting members 5, the limiting member 5 is "L" type, the limiting member 5 is arranged to limit the workpiece, and the position deviation of the workpiece can be prevented, when the workpiece is placed, the plurality of limiting members 5 are located at the corner positions of the workpiece, for example, if two limiting members 5 are arranged, it is necessary to ensure that the two limiting members 5 are located at the diagonal positions of the workpiece.

[0030] The embodiment of the utility model is described in detail in combination with the drawings above, but the utility model is not limited to this, various changes can be made within the knowledge range of the technical personnel in the technical field without departing from the purpose of the utility model.

Claims

1. A stamping die for a car door hinge bracket, characterized in that, The utility model relates to a moulding machine, which comprises: a table (1) provided with a portal frame (17); a lower mould (3) arranged on the table (1); an upper mould mechanism arranged above the lower mould (3), which comprises a movable upper mould (41) and two fixed upper moulds (42) arranged on both sides of the movable upper mould (41), an installation seat (7) arranged above the upper mould mechanism, the fixed upper moulds (42) connected with the installation seat (7), the movable upper mould (41) slidingly installed on the installation seat (7), a cavity (701) formed in the installation seat (7), the upper end of the movable upper mould (41) arranged inside the cavity (701), and an elastic assembly connected between the movable upper mould (41) and the installation seat (7), and a hydraulic cylinder (2) arranged on the portal frame (17) for driving the installation seat (7) to move up and down; a pushing mechanism comprising a pushing frame (15) slidingly arranged on the table (1) and a transmission assembly for converting the vertical movement of the installation seat (7) into the translational movement of the pushing frame (15).

2. The stamping die for a door hinge bracket according to claim 1, wherein The transmission assembly comprises a first rack (8), a first gear (10), a second gear (13), a second rack (14), a synchronous belt (11), and two synchronous pulleys (12), the upper end of the table (1) is provided with a mounting frame (9), the first transmission shaft and the second transmission shaft are rotatably arranged at the upper and lower ends of the mounting frame (9) respectively, the first rack (8) is arranged on the installation seat (7), the first gear (10) is arranged on the first transmission shaft, the first gear (10) is engaged with the first rack (8), the second gear (13) is arranged on the second transmission shaft, the second rack (14) is slidingly arranged on the mounting frame (9) and connected with the pushing frame (15), the second rack (14) is engaged with the second gear (13), the two synchronous pulleys (12) are arranged on the first transmission shaft and the second transmission shaft respectively, and the two synchronous pulleys (12) are drivingly connected through the synchronous belt (11).

3. The stamping die for a door hinge bracket according to claim 1, wherein The elastic assembly comprises a guide rod (18) and a spring (19), the guide rod (18) is arranged inside the cavity (701), a sliding block is connected to the movable upper mould (41), the sliding block is slidingly arranged on the guide rod (18), and the spring (19) is sleeved on the guide rod (18).

4. The stamping die for a door hinge bracket according to claim 1, wherein A plurality of limiting members (5) are connected to the upper end of the table (1), and the limiting members (5) are "L"-shaped.

5. The stamping die for a door hinge bracket according to claim 1, wherein An inclined chute (101) is arranged on the side of the table (1) away from the pushing mechanism.

6. The stamping die for a door hinge bracket according to claim 1, wherein In the initial state, the bottom end of the movable upper mould (41) is below the bottom end of the fixed upper mould (42).

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