Trimming die for vehicle door stamping

Abstract

A trimming die for car door stamping is characterized in that the trimming die comprises a bottom frame, a supporting frame, a hydraulic cylinder, an upper plate, an upper die, a lower plate, a lower die, a rotating mechanism, a limiting mechanism and an edge grinding mechanism, the supporting frame is fixedly connected to the bottom frame, the hydraulic cylinder is fixedly installed on the top of the supporting frame, and the telescopic end of the hydraulic cylinder is fixedly connected with the upper plate; the upper plate is provided with an upper film, the bottom frame is provided with a rotating mechanism, the rotating mechanism is connected with the lower plate, the lower plate is provided with a lower film, one side of the supporting frame is provided with a limiting mechanism, and the other side of the supporting frame is connected with an edge grinding mechanism. A first multi-stage electric telescopic rod in the limiting mechanism is driven to control a limiting assembly to move to the center position of a vehicle door plate on a lower film, a second electric telescopic rod drives a mounting block provided with a universal ball to move downwards to slightly press the vehicle door plate, the vehicle door plate is limited, and the problem that the vehicle door plate deviates in the trimming process is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile door stamping and trimming equipment, in particular to a trimming die for automobile door stamping. Background Art

[0002] As an indispensable part of the car body, the stability of the quality of the door outer panel plays a particularly important role in the safety of the car. The door outer panel is mainly produced by stamping dies.

[0003] The existing Chinese utility model patent with patent number CN218873457U discloses a trimming die for door stamping processing, which belongs to the field of trimming dies and includes a workbench and a shell fixedly installed on the workbench, a lower die is rotatably installed on the upper surface of the workbench, a hydraulic cylinder is fixedly installed on the inner top wall of the shell, a stamping upper die is fixedly connected to the lower end of the hydraulic cylinder, a driving member for driving the lower die to rotate is installed at the bottom of the shell, a cylinder is slidably installed on the inner side wall of the shell, and an edge grinder is fixedly installed at one end of the cylinder; through the arrangement of the lower die, the hydraulic cylinder, the stamping upper die, the driving member, the cylinder and the edge grinder, after stamping, the cylinder can be started to drive the edge grinder to approach the edge of the door panel on the lower die, and at the same time, the driving member can be started to drive the lower die to rotate, so that the lower die drives the door panel to rotate, and the cylinder cooperates with the cylinder to comprehensively trim the edge of the door panel, which is convenient to operate, can improve work efficiency, and can be applicable to different door panels.

[0004] With regard to the above-mentioned prior art, it is found that there are still at least the following problems in this technology: the upper film is stamped and then the lower film is pressed down to produce the door panel, the upper film is stamped to reset, and the edge grinding mechanism grinds the edge of the door panel on the rotatable lower film, but the door panel is not limited during the processing. The force during edge grinding can easily cause the door panel to shift, resulting in poor edge grinding effect. When the shift is serious, the grinding mechanism will grind too much and cause product damage. Utility Model Content

[0005] In view of the above technical problems, the utility model provides a trimming die for door stamping processing, which is characterized by comprising a base frame, a support frame, a hydraulic cylinder, an upper plate, an upper film, a lower plate, a lower film, a rotating mechanism, a limiting mechanism, and an edge grinding mechanism. The base frame is fixedly connected to the support frame, a hydraulic cylinder is fixedly installed on the top of the support frame, the telescopic end of the hydraulic cylinder is fixedly connected to the upper plate, an upper film is installed on the upper plate, a rotating mechanism is installed on the base frame, the rotating mechanism is connected to the lower plate, a lower film is installed on the lower plate, a limiting mechanism is installed on one side of the support frame, and the other side of the support frame is connected to the edge grinding mechanism.

[0006] The rotating mechanism is composed of a first motor, a driving wheel, a driven wheel and a connecting shaft. The output end of the first motor is connected to the driving wheel, the driving wheel is meshed and connected to the driven wheel, the driven wheel is connected to one end of the connecting shaft, and the other end of the connecting shaft passes through the bottom frame and is connected to the lower plate.

[0007] The limiting mechanism includes a fixing plate, a first multi-stage electric telescopic rod, a mounting plate, a second electric telescopic rod, a mounting block, and a universal ball. The fixing plate is fixedly connected to the support frame by screws. The first multi-stage electric telescopic rod is installed on the fixing plate. The telescopic end of the first multi-stage electric telescopic rod is connected to the mounting plate. The second electric telescopic rod is installed on the mounting plate. The telescopic end of the second electric telescopic rod passes through the mounting plate and extends out to be connected to the mounting block. The universal ball is connected in the mounting groove provided on the mounting block.

[0008] The edge grinding mechanism is composed of a moving part, a mounting seat, a second multi-stage electric telescopic rod, a grinding motor and a grinding wheel. The moving part is mounted on a support frame, the moving part is connected to the mounting seat, the second multi-stage electric telescopic rod is mounted on the mounting seat, the telescopic end of the second multi-stage electric telescopic rod is connected to the body of the grinding motor, and the output end of the grinding motor is connected to the grinding wheel.

[0009] The moving part includes a second motor, a screw rod and a moving block. The second motor is installed on a support frame. The rotating shaft end of the second motor is connected to one end of the screw rod. The other end of the screw rod is connected to the wall of a moving groove set on the support frame through a bearing. The screw rod is threadedly connected to the moving block, and the moving block is fixedly connected to the mounting seat by screws.

[0010] Furthermore, the electronic components in the present invention are electrically connected to an external PLC controller, and the PLC controller controls the start and stop of the operation of the electronic components.

[0011] Beneficial effects of the utility model:

[0012] The utility model controls the upper film to press the lower film downward to punch the door panel through the hydraulic cylinder. After punching, the upper film is reset, and the first multi-stage electric telescopic rod in the limiting mechanism is started to control the limiting component to move to the center position of the door panel on the lower film. The second electric telescopic rod drives the mounting block equipped with the universal ball to move downward to lightly press the door panel, so as to limit the door panel and reduce the problem of door panel deviation during the trimming process.

[0013] In the utility model, after stamping, the second multi-stage electric telescopic rod drives the grinding wheel to move to the edge of the door panel, and the grinding motor drives the grinding wheel to grind the edge of the door panel. During the grinding process, the second motor and the screw drive the grinding wheel to move to one side of the door panel for grinding. After grinding one side, the edge grinding mechanism resets, and the first motor in the rotating mechanism drives the lower film to rotate ninety degrees. The other side of the door panel corresponds to the edge grinding mechanism, and the edge grinding mechanism grinds the other side of the door panel. The rotating mechanism cooperates with the edge grinding mechanism to trim the edges of the door panel on all sides, thereby improving the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front view schematic diagram of the overall structure of a trimming die for stamping a vehicle door according to the utility model;

[0015] Figure 2 This is a schematic diagram of the front cover structure of a trimming die for door stamping processing according to the utility model;

[0016] Figure 3 It is a cross-sectional schematic diagram of a mounting block of a trimming die for stamping a vehicle door according to the utility model;

[0017] As shown in the figure: 1. Base frame, 2. Support frame, 3. Hydraulic cylinder, 31. Upper plate, 32. Upper membrane, 41. Lower plate, 42. Lower membrane, 51. First motor, 52. Driving wheel, 53. Driven wheel, 54. Connecting shaft, 61. Fixed plate, 62. First multi-stage electric telescopic rod, 63. Mounting plate, 64. Second electric telescopic rod, 65. Mounting block, 66. Universal ball, 71., 72. Mounting seat, 73. Second multi-stage electric telescopic rod, 74. Grinding motor, 75. Grinding wheel. DETAILED DESCRIPTION

[0018] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0019] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. In addition, the technical features involved in the different embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0021] Example 1

[0022] As shown in the figure, the base frame 1 is fixedly connected to the support frame 2, the hydraulic cylinder 3 is fixedly installed on the top of the support frame 2, the telescopic end of the hydraulic cylinder 3 is fixedly connected to the upper plate 31, the upper membrane 32 is installed on the upper plate 31, and the first motor 51 is installed below the base frame 1. The output end of the first motor 51 is connected to the driving wheel 52, the driving wheel 52 is meshed and connected to the driven wheel 53, the driven wheel 53 is connected to one end of the connecting shaft 54, the other end of the connecting shaft 54 ​​passes through the base frame 1 and is connected to the lower plate 41, the lower membrane 42 is installed on the lower plate 41, the fixing plate 61 is fixedly connected to the support frame 2 by screws, the first multi-stage electric telescopic rod 62 is installed on the fixing plate 61, the telescopic end of the first multi-stage electric telescopic rod 62 is connected to the mounting plate 63, the second electric telescopic rod 64 is installed on the mounting plate 63, the telescopic end of the second electric telescopic rod 64 passes through the mounting plate 63 and extends out to be connected with the mounting block 65, as shown in Figure 3 The universal ball 66 is connected to the mounting groove provided on the mounting block 65.

[0023] A second motor 711 is installed on the support frame 2, and the rotating shaft end of the second motor 712 is connected to one end of the screw rod 713, and the other end of the screw rod 713 is connected to the movable groove wall set on the support frame 1 through a bearing. The screw rod 712 is threadedly connected to the movable block 713, and the movable block 713 is fixedly connected to the mounting seat 72 through screws. A second multi-stage electric telescopic rod 73 is installed on the mounting seat 72, and the telescopic end of the second multi-stage electric telescopic rod 73 is connected to the body of the grinding motor 74, and the output end of the grinding motor 74 is connected to the grinding wheel 75.

[0024] Example 2

[0025] When the utility model is used, the electronic components in the utility model are electrically connected to an external PLC controller, and the PLC controller controls the start and stop of the operation of the electronic components.

[0026] During stamping, the hydraulic cylinder 3 is started, and the hydraulic cylinder 3 controls the upper film 32 to press down and stamp the door panel with the lower film 42. After the stamping is completed, the hydraulic cylinder 3 controls the upper film 32 to reset, and then the first multi-stage electric telescopic rod 62 in the limiting mechanism is started to drive the mounting plate 63 to move to the center position of the door panel on the lower film 42. The second electric telescopic rod 64 installed on the mounting plate 63 drives the mounting block 65 equipped with the universal ball 66 to move downward and lightly press the door panel, so as to limit the door panel and reduce the problem of door panel deviation during trimming.

[0027] The second multi-stage electric telescopic rod 73 in the edge grinding mechanism is started to drive the grinding motor 74 and the grinding wheel 75 to move to the edge of the door panel, and the grinding motor 74 drives the grinding wheel 75 to grind the edge of the door panel. During the grinding process, the second motor 711 is started, and the second motor 711 controls the screw rod 712 to rotate, and the moving block 713 drives the grinding assembly to move as a whole, and the grinding wheel 75 moves and grinds one side of the door panel. After grinding one side of the door panel, the second multi-stage electric telescopic rod 73 is reset, and the first motor 51 in the rotating mechanism controls the lower plate 42 to rotate ninety degrees through the driving wheel 52 and the driven wheel 53, so that the door panel on the lower film 42 rotates, and the other side of the door panel corresponds to the edge grinding mechanism. The control device controls the second multi-stage electric telescopic rod 73 to control the grinding wheel 75 to move forward to the edge of the door panel to grind the other side of the door panel, and the rotating mechanism and the edge grinding mechanism cooperate to trim the edges around the door panel to improve the processing efficiency.

[0028] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The various components mentioned in the utility model are common technologies in the existing field. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A trimming die for door stamping, characterized in that It includes a base frame, a support frame, a hydraulic cylinder, an upper plate, an upper membrane, a lower plate, a lower membrane, a rotating mechanism, a limiting mechanism, and an edging mechanism. The base frame is fixedly connected to the support frame, a hydraulic cylinder is fixedly installed on the top of the support frame, the telescopic end of the hydraulic cylinder is fixedly connected to the upper plate, an upper membrane is installed on the upper plate, a rotating mechanism is installed on the base frame, the rotating mechanism is connected to the lower plate, a lower membrane is installed on the lower plate, a limiting mechanism is installed on one side of the support frame, and the other side of the support frame is connected to the edging mechanism.

2. A trimming die for door stamping according to claim 1, characterized in that The rotating mechanism consists of a first motor, a driving wheel, a driven wheel and a connecting shaft. The output end of the first motor is connected to the driving wheel, the driving wheel is meshed and connected to the driven wheel, the driven wheel is connected to one end of the connecting shaft, and the other end of the connecting shaft passes through the base frame and is connected to the lower plate.

3. The trimming die for door stamping according to claim 1, characterized in that The limiting mechanism includes a fixing plate, a first multi-stage electric telescopic rod, a mounting plate, a second electric telescopic rod, a mounting block, and a universal ball. The fixing plate is fixedly connected to the support frame by screws, the first multi-stage electric telescopic rod is installed on the fixing plate, the telescopic end of the first multi-stage electric telescopic rod is connected to the mounting plate, the second electric telescopic rod is installed on the mounting plate, the telescopic end of the second electric telescopic rod passes through the mounting plate and extends out to be connected to the mounting block, and the universal ball is connected in the mounting groove provided on the mounting block.

4. The trimming die for door stamping according to claim 1, characterized in that The edging mechanism consists of a moving part, a mounting seat, a second multi-stage electric telescopic rod, a grinding motor and a grinding wheel. The moving part is installed on a support frame, the moving part is connected to the mounting seat, the second multi-stage electric telescopic rod is installed on the mounting seat, the telescopic end of the second multi-stage electric telescopic rod is connected to the body of the grinding motor, and the output end of the grinding motor is connected to the grinding wheel.

5. The trimming die for door stamping according to claim 4, characterized in that The moving part includes a second motor, a screw rod and a moving block. The second motor is installed on a support frame. The rotating shaft end of the second motor is connected to one end of the screw rod. The other end of the screw rod is connected to the wall of a moving groove set on the support frame through a bearing. The screw rod is threadedly connected to the moving block, and the moving block is fixedly connected to the mounting seat by screws.

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