Punch forming die for automobile outer plate
The mold system, driven by hydraulic cylinders, electric push rods, and motors, solves the problems of sheet alignment and demolding, improving the quality and efficiency of automotive outer panel production.
Patent Information
- Application Number
- CN202520227387.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-02-13
AI Technical Summary
In the current production of automotive outer panels, it is not easy to align the panels on the mold, resulting in inconsistent production quality.
The upper mold is opened and closed by a hydraulic cylinder, and a bidirectional threaded rod system driven by an electric push rod and a rear motor is used in conjunction with a spring ejector pin structure to achieve precise alignment and demolding of the sheet metal. The lower mold is flipped by a front motor to facilitate unloading.
It improves the precision and efficiency of automotive outer panel production, ensures high-quality molding results, and simplifies the demolding and blanking process.
Smart Images

Figure CN223629370U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile outer plate stamping, especially relates to a automobile outer plate stamping forming die. BACKGROUND
[0002] At present, in the automobile manufacturing process, the production and processing of automobile outer plate is one of the key processes, and the automobile outer plate is mostly made by stamping forming die.
[0003] Among them, through the retrieval, the announcement number for CN212121414U's Chinese patent, discloses a kind of automobile outer plate stamping forming die, and the above-mentioned patent is with the structure scheme of conveying wheel to realize the function of plate stamping forming before and after conveying feeding, but since the plate material conveyed by conveying wheel is not convenient to align on die, leading to uneven quality of automobile outer plate production and manufacturing, therefore, in order to industry technology progress, better realize the stamping forming function of automobile outer plate, improve core technical competitiveness, the present application proposes a new implementation scheme different from the feeding structure and application mode of stamping die in prior art. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the problem that existing plate material is not convenient to align on die, leading to uneven quality of automobile outer plate production and manufacturing, and proposes a kind of automobile outer plate stamping forming die.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A kind of automobile outer plate stamping forming die, including bottom plate, the top of the bottom plate is fixedly connected with support frame, the top outer wall of support frame is fixedly connected with multiple hydraulic cylinders, the hydraulic rod one end of multiple hydraulic cylinders is fixedly connected with upper die, the top of the bottom plate is fixedly connected with side plate, the top of side plate is rotatably connected with rotating shaft, the outer wall of rotating shaft is fixedly connected with lower die, the top of the bottom plate is fixedly connected with support seat, the top of support seat is fixedly connected with two electric push rods, the other end of two electric push rods is fixedly connected with connecting frame, two sliding plates are slidably connected between the two side inner walls of connecting frame, one side of sliding plate is fixedly connected with support plate, plate material frame is arranged between two support plates, and one end of support plate is slidably inserted with one end of plate material frame.
[0007] Further, two-way threaded rod is rotatably inserted between the two end inner walls of connecting frame, and sliding plate is threadedly sleeved with two-way threaded rod.
[0008] Further, the one end outer wall of connecting frame is fixedly connected with rear motor, and the output end of rear motor is fixedly connected with one end of two-way threaded rod.
[0009] Further, the top of the bottom plate is fixedly connected with a front motor, and an output end of the front motor is fixedly connected with one end of the rotating shaft.
[0010] Further, the top of the bottom plate is fixedly connected with a bearing seat, and the lower mold is placed on the top of the bearing seat.
[0011] Further, the top outer wall of the upper mold and the bottom outer wall of the lower mold are fixedly connected with a connecting frame, a plurality of ejector pins are slidably inserted into one end of the connecting frame, one end of the plurality of ejector pins penetrates the upper mold and the lower mold, and the outer wall of the ejector pin is sleeved with a spring.
[0012] Further, the outer wall of the ejector pin is fixedly sleeved with a fixing ring, and the fixing ring is located in the connecting frame.
[0013] The beneficial effects of the utility model are:
[0014] 1. The sheet material frame and the plate material in it are pushed to the upper side of the lower mold under the driving of the electric push rod, and then the bidirectional screw rod is rotated under the driving of the rear motor, so that the two sliding plates move to the two sides, and then the two supporting plates move to the two sides, so that the plate material falls accurately on the lower mold, and the quality of automobile outer plate production and manufacturing is improved.
[0015] 2. The ejector pin is ejected outward under the action of the spring, so that the automobile outer plate is separated from the upper mold and the lower mold, and then the automobile outer plate is demolded, and the stamping efficiency is improved.
[0016] 3. The rotating shaft is rotated under the driving of the front motor, so that the lower mold is turned over, and then the automobile outer plate is poured out, so that the automobile outer plate is discharged conveniently and quickly. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a right side three-dimensional structure schematic view of the automobile outer plate stamping forming die;
[0018] Figure 2 It is a left side three-dimensional structure schematic view of the automobile outer plate stamping forming die;
[0019] Figure 3 It is a partial top view structure schematic view of the automobile outer plate stamping forming die;
[0020] Figure 4 It is a lower mold overturning state structure schematic view of the automobile outer plate stamping forming die;
[0021] Figure 5 It is a upper mold and lower mold separation state sectional structure schematic view of the automobile outer plate stamping forming die;
[0022] Figure 6 The utility model provides a kind of upper die and lower die closed state section view structure schematic diagram of automobile outer plate stamping forming die.
[0023] In the drawing: 1, bottom plate; 2, support frame; 3, hydraulic cylinder; 4, upper die; 5, side plate; 6, lower die; 7, support seat; 8, electric push rod; 10, connecting frame; 11, plate material frame; 12, supporting plate; 13, two-way threaded rod; 14, sliding plate; 15, rear motor; 16, front motor; 17, bearing seat; 18, connecting frame; 19, ejector pin; 20, fixed ring; 21, spring. DETAILED DESCRIPTION
[0024] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all.
[0025] Referring to Figures 1-6 A kind of automobile outer plate stamping forming die, including bottom plate 1, the top of bottom plate 1 is welded with support frame 2, the top outer wall of support frame 2 is fixed with multiple hydraulic cylinders 3 by bolt, the hydraulic rod one end of multiple hydraulic cylinders 3 is commonly fixed with upper die 4 by bolt, the top of bottom plate 1 is fixed with side plate 5 by bolt, the top of side plate 5 is rotatably connected with rotating shaft, and lower die 6 is welded on the outer wall of rotating shaft, is driven to move downwards by the stretching of hydraulic cylinder 3 with upper die 4, to realize the opening and closing of upper die 4 and lower die 6, the top of bottom plate 1 is fixed with front motor 16 by bolt, and the output end of front motor 16 is fixedly connected with one end of rotating shaft, rotating shaft is rotated under the driving of front motor 16, to drive lower die 6 to overturn, to pour out automobile outer plate in turn, to facilitate the blanking of automobile outer plate;
[0026] The top of bottom plate 1 is fixed with support seat 7 by bolt, the top of support seat 7 is fixed with two electric push rods 8 by bolt, the other end of two electric push rods 8 is commonly fixed with connecting frame 10 by bolt, two sliding plates 14 are slidably connected between the inner wall of both sides of connecting frame 10, and the side of sliding plate 14 is fixed with supporting plate 12 by bolt, to support plate material, plate material frame 11 is arranged between two supporting plates 12, and connecting frame 10 is moved under the driving of electric push rod 8, to drive plate material frame 11 and the plate material in its inside to push to the upper side of lower die 6, and one end of supporting plate 12 is slidably inserted with one end of plate material frame 11.
[0027] The two-way threaded rod 13 is rotatably inserted between the inner walls of the two ends of the connecting frame 10, the sliding plates 14 are threadedly sleeved with the two-way threaded rod 13, the outer wall of one end of the connecting frame 10 is fixedly provided with the rear motor 15 through bolts, the output end of the rear motor 15 is fixedly connected with one end of the two-way threaded rod 13, the two-way threaded rod 13 rotates under the driving of the rear motor 15, so that the two sliding plates 14 move to the two sides, and then the two supporting plates 12 move to the two sides, so that the plate material is accurately placed on the lower die 6, the top of the bottom plate 1 is fixedly provided with the bearing seat 17 through bolts, the lower die 6 is placed on the top of the bearing seat 17, so that the lower die 6 is supported, the top outer wall of the upper die 4 and the bottom outer wall of the lower die 6 are fixedly provided with the connecting frame 18 through bolts, a plurality of ejector pins 19 are slidably inserted into one end of the connecting frame 18, one end of the plurality of ejector pins 19 penetrates the upper die 4 and the lower die 6, the outer wall of the ejector pin 19 is sleeved with the spring 21, the ejector pin 19 is caused to pop out under the action of the spring 21, so that the automobile outer plate is separated from the upper die 4 and the lower die 6, and then the automobile outer plate is demolded, the outer wall of the ejector pin 19 is fixedly sleeved with the fixing ring 20, and the fixing ring 20 is located in the connecting frame 18.
[0028] The working principle of the embodiment is as follows: in use, first, the plate material is placed on the plate frame 11 and located on the top of the supporting plate 12, then the electric push rod 8 is started, the connecting frame 10 moves under the driving of the stretching of the electric push rod 8, so that the plate frame 11 and the plate material in it are pushed to the upper side of the lower die 6, the rear motor 15 is started, the two-way threaded rod 13 rotates under the driving of the rear motor 15, so that the two sliding plates 14 move to the two sides, and then the two supporting plates 12 move to the two sides, then the plate material is accurately placed on the lower die 6, the plate frame 11 is brought back under the driving of the contraction of the electric push rod 8, then the hydraulic cylinder 3 is started, the upper die 4 moves downward under the stretching of the hydraulic cylinder 3, so that the upper die 4 and the lower die 6 are closed together, and then the plate material is punched into the automobile outer plate, after forming, the upper die 4 is brought up under the contraction of the hydraulic cylinder 3, the ejector pin 19 is caused to pop out under the action of the spring 21, so that the automobile outer plate is separated from the upper die 4 and the lower die 6, and then the automobile outer plate is demolded, then the automobile outer plate falls on the lower die 6, then the front motor 16 is started, the rotating shaft rotates under the driving of the front motor 16, so that the lower die 6 is turned over, and then the automobile outer plate is poured out, so that the automobile outer plate is conveniently discharged.
[0029] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. An automobile outer panel press forming die comprising a base plate (1), characterized in that, The top of the bottom plate (1) is fixedly connected with a support frame (2), the top outer wall of the support frame (2) is fixedly connected with a plurality of hydraulic cylinders (3), the hydraulic rods of the plurality of hydraulic cylinders (3) are fixedly connected with an upper mold (4) at one end, the top of the bottom plate (1) is fixedly connected with a side plate (5), the top of the side plate (5) is rotatably connected with a rotating shaft, the outer wall of the rotating shaft is fixedly connected with a lower mold (6), the top of the bottom plate (1) is fixedly connected with a support base (7), the top of the support base (7) is fixedly connected with two electric push rods (8), the other ends of the two electric push rods (8) are fixedly connected with a connecting frame (10), two sliding plates (14) are slidingly connected between the inner walls of the two sides of the connecting frame (10), the sliding plates (14) are fixedly connected with supporting plates (12) on one side, a plate frame (11) is arranged between the two supporting plates (12), and one end of the supporting plate (12) is slidingly inserted into one end of the plate frame (11).
2. The press forming die for an automobile outer panel according to claim 1, wherein The two end inner walls of the connecting frame (10) are rotatably inserted with a bidirectional threaded rod (13), and the sliding plate (14) is threadedly sleeved with the bidirectional threaded rod (13).
3. The press forming die for an automobile outer panel according to claim 2, wherein The outer wall of one end of the connecting frame (10) is fixedly connected with a rear motor (15), and the output end of the rear motor (15) is fixedly connected with one end of the bidirectional threaded rod (13).
4. The press forming die for an automobile outer panel according to claim 1, wherein The top of the bottom plate (1) is fixedly connected with a front motor (16), and the output end of the front motor (16) is fixedly connected with one end of the rotating shaft.
5. The press forming die for an automobile outer panel according to claim 1, wherein The top of the bottom plate (1) is fixedly connected with a bearing seat (17), and the lower mold (6) is placed on the top of the bearing seat (17).
6. The press forming die for an automobile outer panel according to claim 1, wherein The top outer wall of the upper mold (4) and the bottom outer wall of the lower mold (6) are fixedly connected with a connecting frame (18), a plurality of ejector pins (19) are slidingly inserted into one end of the connecting frame (18), one end of the plurality of ejector pins (19) penetrates through the upper mold (4) and the lower mold (6), and the outer wall of the ejector pin (19) is sleeved with a spring (21).
7. The press forming die for an automobile outer panel according to claim 6, wherein The outer wall of the ejector pin (19) is fixedly sleeved with a fixed ring (20), and the fixed ring (20) is located in the connecting frame (18).
Citation Information
Patent Citations
Automobile outer plate punch forming die
CN212121414U