Automatic edge covering device for door plate

Abstract

The utility model discloses an automatic edge covering device for a door plate. Comprising a base, a rack, a lower side moving sliding table, a lower side servo sliding table, an upper side 0-degree rolling wheel, an upper side 45-degree rolling wheel, an upper side servo sliding table, an upper side rolling wheel pressing electric cylinder, a left side pressing electric cylinder, a right side pressing electric cylinder, an upper side pressing plate, a door plate workpiece, a lower side 0-degree rolling wheel, a lower side 45-degree rolling wheel, a lower side rolling wheel pressing electric cylinder, a lower side moving sliding table electric cylinder and a lower side supporting plate. A positioning cylinder; the lower side servo sliding table is used for automatic edge covering operation of the lower side skin of the door plate; the upper side servo sliding table is used for automatic edge covering operation of the upper side skin of the door plate; before the lower side movable sliding table electric cylinder is used for edge covering of different door plate products, the upper side pressing plate and the lower side supporting plate can be flush with the upper side edge and the lower side edge of the door plate. One-time automatic edge covering forming of the upper side and the lower side of the door plate can be achieved, the problems that the stainless steel door plate workpiece edge covering procedure is large in production labor intensity and low in automation degree are solved, and the edge covering quality stability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rail vehicle door panel processing machinery, in particular to an automatic door panel hemming device. Background Art

[0002] At present, the edging operation of stainless steel door panels mainly relies on manual hammering, which is not only inefficient but also difficult to ensure quality. By introducing an automatic edging device, the transition from manual operation to automated operation can be achieved, thereby improving production efficiency and product quality. Existing automated edging devices, for example, a car door edging machine and a method for edging a car door disclosed in the invention patent with Chinese patent publication number CN107597932A, include a base plate assembly, an edging module arranged on the base plate assembly, a pre-pressing module arranged on the base plate assembly, a positive pressure module arranged on the base plate assembly, an edging conveying assembly, a side conveying assembly, a positioning and pressing assembly arranged on the top of the base plate assembly, and a lifting assembly arranged at the bottom of the base plate assembly. The positioning and pressing assembly includes a support frame arranged on the top of the base plate assembly and a lifting cylinder arranged on the top of the support frame with a piston rod facing downward. The activity of the lifting cylinder A positioning support frame is set at the free end of the plug rod, and the lifting cylinder is located directly above the edging module. The edging conveying assembly includes two left and right edging brackets, an edging conveyor belt arranged on the edging bracket and a first edging drive device arranged on the edging bracket to drive the edging conveyor belt. The side conveying assembly includes support rods slidingly arranged on the left and right sides of the support frame and a second edging drive device arranged on the support frame. One end of the connecting support rod of the second edging drive device is used to drive the support rod to reciprocate in the left and right directions, and the other end of the support rod is connected to the edging bracket. The jacking assembly includes an ejection cylinder arranged at the bottom of the base plate assembly with the piston rod facing upward and a jacking support frame arranged at the free end of the piston rod of the ejection cylinder. This type of edging machine cannot meet the complete edging requirements of the upper and lower and oblique sides of rail transit doors, requires manual secondary processing, and the edging efficiency is not high. Utility Model Content

[0003] Purpose of the utility model: The purpose of the utility model is to provide an automatic door panel edge forming device which has a high degree of edge forming automation, stable edge forming quality and high edge forming efficiency and is suitable for the edge forming of door panels of rail transit vehicles.

[0004] Technical solution: The utility model is an automatic door panel edging device, comprising a base, a frame, a door panel workpiece and a support plate for placing the door panel workpiece, and also comprising a clamping mechanism, a roller mechanism and a positioning mechanism; the clamping mechanism comprises an upper clamping plate arranged above the lower support plate; the roller mechanism comprises a slidable upper roller group and a lower roller group arranged on the upper and lower sides of the support plate.

[0005] Furthermore, the upper roller group includes an upper 0-degree rolling wheel for realizing the edging of the upper door panel skin to 0 degrees, an upper 45-degree rolling wheel for realizing the edging of the upper door panel skin to 45 degrees, and an upper servo slide. The upper servo slide drives the upper 45-degree rolling wheel and the upper 0-degree rolling wheel to move horizontally.

[0006] Furthermore, the upper roller assembly also includes an upper roller pressing electric cylinder, which is used to provide sufficient pressure for the roller when the upper side of the door panel is hemmed.

[0007] Furthermore, the lower roller group includes a lower 0-degree rolling wheel for achieving the edge wrapping of the lower door panel skin to 0 degrees, a lower 45-degree rolling wheel for achieving the edge wrapping of the lower door panel skin to 45 degrees, and a lower servo slide. The lower servo slide drives the lower 45-degree rolling wheel and the lower 0-degree rolling wheel to move horizontally.

[0008] Furthermore, the lower roller assembly also includes a lower roller pressing electric cylinder, which is used to provide sufficient pressure for the roller when the upper side of the door panel is hemmed.

[0009] Furthermore, the upper pressing plate and the lower supporting plate can be flush with the upper and lower edges of the door panel workpiece, and a lower movable slide for adjusting the position of the lower supporting plate is provided at the bottom of the lower supporting plate.

[0010] Furthermore, the upper side of the upper pressing plate is connected to a left pressing electric cylinder and a right pressing electric cylinder for driving the upper pressing plate to press down and move, so as to fix the door panel workpiece.

[0011] Furthermore, the positioning mechanism includes a positioning cylinder arranged under the lower support plate for positioning the door panel workpiece.

[0012] Furthermore, the frame includes a left support plate, an upper support plate and a right support plate for ensuring the rigidity and stability of the overall structure of the automatic hemming device.

[0013] Beneficial effects: Compared with the prior art, the present invention has the following advantages: (1) The present invention adopts the combination of roller groups on both sides for compaction and upper side flat pressure to realize automatic edge forming on the upper and lower sides of the door panel at one time, with a high degree of automation; (2) The present invention adopts a movable slide, a positioning cylinder, left and right side compaction electric cylinders and an upper side compaction plate to align the door panel workpiece and prevent the door panel workpiece from being displaced during processing, thereby ensuring processing accuracy and improving workpiece production efficiency and edge quality stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model. DETAILED DESCRIPTION

[0015] The technical solution of the present utility model will be further described below with reference to the accompanying drawings.

[0016] As shown in the figure, the present invention provides an automatic door panel hemming device, which includes a base 1, a frame, a door panel workpiece 14, a support plate 19 for placing the door panel workpiece 14, a pressing mechanism, a roller mechanism and a positioning mechanism.

[0017] The clamping mechanism includes an upper clamping plate 13 arranged above the lower support plate 19. The upper sides of the upper clamping plate 13 are connected with a left clamping electric cylinder 9 and a right clamping electric cylinder 11 for driving the upper clamping plate 13 to move downward, so that the door panel workpiece 14 is fixed. The upper clamping plate 13 and the lower support plate 19 can be flush with the upper and lower edges of the door panel workpiece 14. A lower movable slide 2 for adjusting the position of the lower support plate 19 is provided below the lower support plate 19.

[0018] The roller mechanism includes upper and lower slidable roller assemblies arranged on the upper and lower sides of the support plate 19. The upper roller assembly includes an upper 0-degree rolling wheel 4 for achieving 0-degree hemming of the upper door panel skin, an upper 45-degree rolling wheel 5 for achieving 45-degree hemming of the upper door panel skin, an upper servo slide 6, and an upper roller pressing cylinder 7. The upper servo slide 6 drives the upper 45-degree rolling wheel 5 and the upper 0-degree rolling wheel 4 to move horizontally, and the upper roller pressing cylinder 7 is used to provide sufficient pressure on the rollers when hemming the upper side of the door panel. The lower roller group includes a lower 0-degree rolling wheel 15 for realizing the edging of the lower door panel skin to 0 degrees, a lower 45-degree rolling wheel 16 for realizing the edging of the lower door panel skin to 45 degrees, a lower servo slide 3 and a lower roller clamping cylinder 17. The lower servo slide 3 drives the lower 45-degree rolling wheel 16 and the lower 0-degree rolling wheel 15 to move horizontally. The lower roller clamping cylinder 17 is used to provide sufficient pressure for the roller when edging the upper side of the door panel.

[0019] The positioning mechanism includes a positioning cylinder 20 provided under the lower support plate 19 for positioning the door panel workpiece 14 .

[0020] The frame includes a left support plate 8, an upper support plate 10 and a right support plate 12 for ensuring the rigidity and stability of the overall structure of the automatic hemming device.

[0021] Specific operation process:

[0022] Step (1): the lower movable slide electric cylinder 18 drives the lower movable slide 2 to move horizontally, so that before the different door panel products are hemmed, the upper pressing plate 13 and the lower supporting plate 19 can be flush with the upper and lower edges of the door panel workpiece 14;

[0023] Step (2) is manually loading the material onto the lower support plate 19 and positioning it by the positioning cylinder 20;

[0024] Step (3), the left side pressing electric cylinder 9 and the right side pressing electric cylinder 11 drive the upper side pressing plate 13 to press and move downward, so that the door panel workpiece 14 is fixed;

[0025] In step (4), the lower servo slide 3 drives the lower 45-degree rolling wheel 16 and the lower 0-degree rolling wheel 15 to move horizontally, realizing the automatic hemming operation of the lower side skin of the door panel. At the same time, the upper roller pressing electric cylinder 7 presses downward to ensure that the roller pressure is sufficient when the door panel is hemmed, so that the final hemming effect meets the process requirements.

[0026] In step (5), the upper servo slide 6 drives the upper 45-degree rolling wheel 5 and the upper 0-degree rolling wheel 4 to move horizontally, realizing the automatic hemming operation of the upper side skin of the door panel. At the same time, the lower roller clamping electric cylinder 17 presses upward to ensure that the roller pressure is sufficient when the door panel is hemmed, so that the final hemming effect meets the process requirements.

Claims

1. An automatic door panel hemming device, comprising a base (1), a frame, a door panel workpiece (14) and a support plate (19) for placing the door panel workpiece (14), characterized in that: It also includes a pressing mechanism, a roller mechanism and a positioning mechanism; the pressing mechanism includes an upper pressing plate (13) arranged above the lower support plate (19); the roller mechanism includes a slidable upper roller group and a lower roller group arranged on the upper and lower sides of the support plate (19).

2. The automatic door panel hemming device according to claim 1, characterized in that: The upper roller assembly comprises an upper 0-degree rolling wheel (4) for achieving the edge wrapping of the upper door panel skin to 0 degrees, an upper 45-degree rolling wheel (5) for achieving the edge wrapping of the upper door panel skin to 45 degrees, and an upper servo slide (6). The upper servo slide (6) drives the upper 45-degree rolling wheel (5) and the upper 0-degree rolling wheel (4) to move horizontally.

3. The automatic door panel hemming device according to claim 2, characterized in that: The upper roller assembly further comprises an upper roller pressing electric cylinder (7), and the upper roller pressing electric cylinder (7) is used to provide sufficient pressure for the roller when the upper side of the door panel is hemmed.

4. The automatic door panel hemming device according to claim 2 or 3, characterized in that: The lower roller assembly comprises a lower 0-degree rolling wheel (15) for realizing the edge wrapping of the lower door panel skin to 0 degrees, a lower 45-degree rolling wheel (16) for realizing the edge wrapping of the lower door panel skin to 45 degrees, and a lower servo slide (3). The lower servo slide (3) drives the lower 45-degree rolling wheel (16) and the lower 0-degree rolling wheel (15) to move horizontally.

5. The automatic door panel hemming device according to claim 4, characterized in that: The lower roller assembly further comprises a lower roller pressing electric cylinder (17), and the lower roller pressing electric cylinder (17) is used to provide sufficient pressure for the roller when the upper side of the door panel is hemmed.

6. The automatic door panel hemming device according to claim 1, characterized in that: The upper pressing plate (13) and the lower supporting plate (19) can be flush with the upper and lower edges of the door panel workpiece (14), and a lower movable slide (2) for adjusting the position of the lower supporting plate (19) is provided at the bottom of the lower supporting plate (19).

7. The automatic door panel hemming device according to claim 3, characterized in that: The upper side of the upper pressing plate (13) is connected to a left pressing electric cylinder (9) and a right pressing electric cylinder (11) for driving the upper pressing plate (13) to move downward, thereby fixing the door panel workpiece (14).

8. The automatic door panel hemming device according to claim 1, characterized in that: The positioning mechanism comprises a positioning cylinder (20) arranged under the lower support plate (19) and used for positioning the door panel workpiece (14).

9. The automatic door panel hemming device according to claim 1, characterized in that: The frame comprises a left support plate (8), an upper support plate (10) and a right support plate (12) for ensuring the rigidity and stability of the overall structure of the automatic hemming device.

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