Automobile door outer plate forming die

Abstract

The utility model belongs to the field of forming dies, and particularly relates to an automobile door outer plate forming die which comprises a die base, guide columns are fixedly connected to the four corners of the upper end of the die base, guide sleeves are slidably connected to the outer sides of the guide columns, a movable plate is jointly and fixedly connected among the four guide sleeves, and the movable plate is fixedly connected with the die base. An auxiliary guide mechanism is arranged on the guide columns, the lower end of the movable plate is fixedly connected with a female die cover, a male die plate is slidably connected into the die base, and the lower end of the male die plate is fixedly connected with two symmetrically-distributed reset columns. The connecting plate, the reset column, the steel wire and other structures are additionally arranged in the mold base, after punch forming is finished, the convex mold plate can be driven by the steel wire to move upwards in the upward moving process of the movable plate, a formed part can be ejected out from the interior of the mold base, and therefore the formed part can be demolded more conveniently after being formed.

Description

Technical Field

[0001] The utility model relates to the technical field of forming molds, in particular to a forming mold for an outer panel of an automobile door. Background Art

[0002] According to the patent authorization announcement number: CN107138612B, a stamping die for automobile door outer panel is proposed. The invention discloses a stamping die for automobile door outer panel, including an upper die and a lower die, wherein the bottom end of the upper die and the bottom end and the top end of the lower die are respectively provided with an upper die core and a lower die core, wherein the inner wall of the lower die core is provided with a fine-tuning plate, and the front and rear sides of the lower die core are provided with an adjustment platform, and the left and right sides of the bottom end of the fine-tuning plate are provided with a swivel groove, and the left and right sides of the adjustment platform are provided with a rotating rod, and the rotating rod passes through the adjustment platform, and the top end of the rotating rod is provided with a turntable. The stamping die for automobile door outer panel improves the accuracy of the upper die falling onto the lower die through the cooperation of the upper die core, the lower die core and the fine-tuning plate, and the first positioning rod matches the second positioning hole, and the second positioning rod matches the first positioning hole, thereby improving the accuracy of the upper die falling onto the lower die, avoiding the displacement of the upper die causing the decrease in the accuracy of the door outer panel after forming, and rotating the rotating cap to make the rotating rod rotate in the swivel groove through the turntable to adjust the adjustment platform, thereby improving the accuracy of the door outer panel after forming.

[0003] However, the molding die in the prior art is used to mold the plate by pressing it into the inside of the mold seat. During the extrusion process, the material is deformed and easily stuck inside the mold seat, making it difficult to demold the molded part. In addition, during the stamping process, the mold-fitting deviation between the groove cover and the male mold plate easily causes damage to the molded part, resulting in an increase in the defective rate. Therefore, the prior art needs to be improved. Utility Model Content

[0004] The utility model aims to provide a molding die for an automobile door outer panel, which solves the problem that the molded parts are inconvenient to demould and the mold closing process is prone to deviation, resulting in an increased defective rate.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a car door outer panel forming mold, comprising a mold base, the four corners of the upper end of the mold base are fixedly connected with guide columns, the outer side of the guide column is slidably connected with a guide sleeve, a movable plate is commonly fixedly connected between the four guide sleeves, an auxiliary guide mechanism is provided on the guide column, the lower end of the movable plate is fixedly connected with a die cover, the inside of the mold base is slidably connected with a convex mold plate, the lower end of the convex mold plate is fixedly connected with two symmetrically distributed reset columns, the lower ends of the two reset columns are commonly fixedly connected with a reset plate, the lower end of the mold base is fixedly connected with a guide frame, a reset spring is provided on the outer side of the rod of the guide frame, four evenly distributed connecting plates are fixedly connected to the outer side of the convex mold plate, four evenly distributed connecting ears are fixedly connected to the outer side of the movable plate, and a steel wire is fixedly connected to the upper end of the connecting plate.

[0006] Preferably, a reinforcement frame is welded to the upper end of the movable plate, and a punching machine connecting seat is fixedly connected to the upper end of the reinforcement frame. The reinforcement frame can increase the overall strength of the movable plate.

[0007] Preferably, one end of the reset spring is fixedly connected to the reset plate, the other end of the reset spring is fixedly connected to the mold seat, the reset plate is slidably connected to the guide frame, and the reset spring can drive the reset plate to automatically reset through elastic force.

[0008] Preferably, the steel wire is fixedly connected to the connecting ear, and the connecting plate is slidably connected to the mold base, and the steel wire can drive the convex mold plate to move through the connecting plate.

[0009] Preferably, the auxiliary guide mechanism includes a resistance spring, a resistance spring is arranged on the outer side of the guide column, two symmetrically distributed guide strips are fixedly connected inside the guide sleeve, two symmetrically distributed guide grooves are provided on the outer side of the guide column, and the guide strips are slidably connected to the guide grooves, and the mold closing accuracy can be improved through the sliding connection between the guide strips and the guide grooves.

[0010] Preferably, one end of the resistance spring is fixedly connected to the mold base, and the other end of the resistance spring is fixedly connected to the guide sleeve. The resistance spring can increase the mold closing resistance and reduce the mold closing speed.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model adds a connecting plate, a reset column and a steel wire inside the mold base. After the stamping is completed, the movable plate can move the convex mold plate upward through the steel wire during the upward movement of the movable plate, so that the formed part can be ejected from the inside of the mold base, so that the molded part can be demolded more easily after forming.

[0013] 2. The utility model adds resistance springs and guide grooves to the guide column. During the molding process, the movement of the movable plate and the die cover can be guided by the sliding between the guide column and the guide sleeve and the sliding between the guide groove and the guide strip, thereby effectively improving the mold closing accuracy and reducing the defective rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0015] Figure 2 For the utility model Figure 1 Cutaway view Figure 1 ;

[0016] Figure 3 For the utility model Figure 1 Cutaway view Figure 2 ;

[0017] Figure 4 For the utility model Figure 3 A-section structure enlarged view.

[0018] In the figure: 1. mold base; 2. guide column; 3. guide sleeve; 4. auxiliary guide mechanism; 5. movable plate; 6. reinforcement frame; 7. punching machine connecting seat; 8. die cover; 9. convex plate; 10. reset column; 11. reset plate; 12. guide frame; 13. reset spring; 14. connecting plate; 15. connecting ear; 16. steel wire; 41. resistance spring; 42. guide strip; 43. guide groove. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1 , Figure 2 , Figure 3A car door outer panel forming mold comprises a mold base 1, the four corners of the upper end of the mold base 1 are fixedly connected with guide columns 2, the outer side of the guide columns 2 is slidably connected with guide sleeves 3, a movable plate 5 is fixedly connected between the four guide sleeves 3, an auxiliary guide mechanism 4 is arranged on the guide column 2, a concave mold cover 8 is fixedly connected to the lower end of the movable plate 5, a convex mold plate 9 is slidably connected to the inside of the mold base 1, two symmetrically distributed reset columns 10 are fixedly connected to the lower end of the convex mold plate 9, a reset plate 11 is fixedly connected to the lower end of the two reset columns 10, a guide frame 12 is fixedly connected to the inside of the lower end of the mold base 1, a reset spring 13 is arranged on the outer side of the rod of the guide frame 12, four evenly distributed connecting plates 14 are fixedly connected to the outer side of the convex mold plate 9, four evenly distributed connecting ears 15 are fixedly connected to the outer side of the movable plate 5, and a steel wire 16 is fixedly connected to the upper end of the connecting plate 14.

[0021] See also Figure 1 , Figure 2 , Figure 3 A reinforcing frame 6 is welded to the upper end of the movable plate 5, and a punching machine connecting seat 7 is fixedly connected to the upper end of the reinforcing frame 6. The reinforcing frame 6 can increase the overall strength of the movable plate 5. One end of the reset spring 13 is fixedly connected to the reset plate 11, and the other end of the reset spring 13 is fixedly connected to the mold seat 1. The reset plate 11 is slidably connected to the guide frame 12. The reset spring 13 can drive the reset plate 11 to automatically reset through elastic force. The steel wire 16 is fixedly connected to the connecting ear 15, and the connecting plate 14 is slidably connected to the mold seat 1. The steel wire 16 can drive the convex template 9 to move through the connecting plate 14.

[0022] See also Figure 1 , Figure 3 , Figure 4 The auxiliary guide mechanism 4 includes a resistance spring 41. A resistance spring 41 is arranged on the outer side of the guide column 2. Two symmetrically distributed guide bars 42 are fixedly connected inside the guide sleeve 3. Two symmetrically distributed guide grooves 43 are provided on the outer side of the guide column 2. The guide bars 42 are slidably connected with the guide grooves 43. The mold closing accuracy can be improved by the sliding connection between the guide bars 42 and the guide grooves 43. One end of the resistance spring 41 is fixedly connected with the mold base 1, and the other end of the resistance spring 41 is fixedly connected with the guide sleeve 3. The resistance spring 41 can increase the mold closing resistance and reduce the mold closing speed.

[0023] The specific implementation process of the utility model is as follows: when in use, a plate is placed on the upper end of the mold base 1, and then the punching machine is started, and the punching machine drives the movable plate 5 to move downward. During the downward movement of the movable plate 5, the resistance spring 41 is squeezed by the guide sleeve 3, which can reduce the descending speed, and the guide sleeve 3 can be supported by elastic force. The guide sleeve 3 is clamped by the downward pressure and the support force of the resistance spring 41, which can effectively increase the moving stability of the concave mold cover 8, and the sliding connection between the guide strip 42 and the guide groove 43 can increase the accuracy of the mold closing, thereby effectively reducing the defective rate;

[0024] After the stamping is completed, the movable plate 5 moves upward and drives the connecting plate 14 to move through the steel wire 16. The connecting plate 14 can move upward through the convex mold plate 9 during the movement. The convex mold plate 9 can eject the formed molded part from the inside of the mold base 1 during the upward movement, thereby making the molded part easier to demold.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vehicle door outer panel forming die, comprising a die base (1), characterized in that: The four corners of the upper end of the mold base (1) are fixedly connected to guide columns (2), the outer side of the guide columns (2) is slidably connected to a guide sleeve (3), a movable plate (5) is fixedly connected between the four guide sleeves (3), an auxiliary guide mechanism (4) is provided on the guide columns (2), the lower end of the movable plate (5) is fixedly connected to a die cover (8), the interior of the mold base (1) is slidably connected to a convex mold plate (9), and the lower end of the convex mold plate (9) is fixedly connected to two symmetrically distributed reset columns (10), the lower ends of the two reset columns (10) are fixedly connected to a reset plate (11), the lower end of the mold base (1) is fixedly connected to a guide frame (12), the outer side of the rod of the guide frame (12) is provided with a reset spring (13), the outer side of the convex mold plate (9) is fixedly connected to four evenly distributed connecting plates (14), the outer side of the movable plate (5) is fixedly connected to four evenly distributed connecting ears (15), and the upper end of the connecting plate (14) is fixedly connected to a steel wire (16).

2. The automobile door outer panel forming mold according to claim 1, characterized in that: A reinforcement frame (6) is welded to the upper end of the movable plate (5), and a punching machine connection seat (7) is fixedly connected to the upper end of the reinforcement frame (6).

3. The automobile door outer panel forming mold according to claim 1, characterized in that: One end of the reset spring (13) is fixedly connected to the reset plate (11), the other end of the reset spring (13) is fixedly connected to the mold base (1), and the reset plate (11) is slidably connected to the guide frame (12).

4. The automobile door outer panel forming mold according to claim 1, characterized in that: The steel wire (16) is fixedly connected to the connecting ear (15), and the connecting plate (14) is slidably connected to the mold base (1).

5. The automobile door outer panel forming mold according to claim 1, characterized in that: The auxiliary guide mechanism (4) comprises a resistance spring (41), the outer side of the guide column (2) is provided with a resistance spring (41), the interior of the guide sleeve (3) is fixedly connected with two symmetrically distributed guide strips (42), the outer side of the guide column (2) is provided with two symmetrically distributed guide grooves (43), and the guide strips (42) are slidably connected with the guide grooves (43).

6. The automobile door outer panel forming mold according to claim 5, characterized in that: One end of the resistance spring (41) is fixedly connected to the mold base (1), and the other end of the resistance spring (41) is fixedly connected to the guide sleeve (3).

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