Flanging equipment

Abstract

The utility model discloses flanging equipment, and relates to the technical field of machining equipment, the flanging equipment comprises a base, an oil cylinder, a supporting plate, an inner flanging die and an outer flanging die, the oil cylinder is fixed on the base, the supporting plate is fixed on a cylinder barrel of the oil cylinder, the outer flanging die comprises an outer barrel and a first extrusion male die matched with an inner hole of the outer barrel, and the inner hole of the outer barrel is matched with the first extrusion male die. The bottom of the outer cylinder is fixed to the supporting plate, the first extrusion male die is arranged on a telescopic rod of the oil cylinder in a sleeving mode, a first extrusion fillet is arranged on the outer edge of the bottom of the first extrusion male die, the inner flanging die comprises an inner cylinder and a second extrusion male die matched with an inner hole of the inner cylinder, and the second extrusion male die is arranged on the telescopic rod of the oil cylinder in a sleeving mode and located above the first extrusion male die. The inner barrel is supported on the first extrusion male die, a second extrusion fillet is arranged on the outer edge of the bottom of the second extrusion male die, and a telescopic rod of the oil cylinder penetrates through the first extrusion male die and the second extrusion male die and then is connected with the limiting pin shaft. The flanging equipment provided by the utility model is simple in structure, and the production cost can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing equipment, in particular to a flanging device. Background Art

[0002] When designing products, product parts are often designed with round hole flanging features, and the traditional forming process of round hole flanging is to first produce a mold and then use the mold to stamp it on a press. However, the use of the above equipment for stamping is complex and has high production costs. Utility Model Content

[0003] The utility model aims to provide a flanging device to solve the problems existing in the above-mentioned prior art, with a simple structure and capable of reducing production costs.

[0004] To achieve the above purpose, the utility model provides the following solutions:

[0005] The utility model provides a flanging device, comprising a base, an oil cylinder, a support plate, an inner flanging die and an outer flanging die, wherein the oil cylinder is fixed on the base, the support plate is fixed to one end of the cylinder barrel of the oil cylinder close to its telescopic rod, the outer flanging die comprises an outer cylinder and a first extrusion convex die matched with the inner hole of the outer cylinder, the bottom of the outer cylinder is fixed on the support plate, the first extrusion convex die is sleeved on the telescopic rod of the oil cylinder, the bottom outer edge of the first extrusion convex die is provided with a first extrusion fillet, which is used to cooperate with the outer cylinder to extrude and flanging the first circular hole, and the inner flanging die includes a plurality of The invention comprises an inner cylinder and a second extrusion punch matched with the inner hole of the inner cylinder, the second extrusion punch is sleeved on the telescopic rod of the oil cylinder and is located above the first extrusion punch, the inner cylinder is supported on the first extrusion punch, the bottom outer edge of the second extrusion punch is provided with a second extrusion fillet for cooperating with the inner cylinder to extrude and flange the second circular hole, the telescopic rod of the oil cylinder passes through the first extrusion punch and the second extrusion punch and is connected with a limit pin, the limit pin is used to axially limit the second extrusion punch so as to pull the second extrusion punch downward through the oil cylinder.

[0006] Preferably, a plurality of first lifting eye screws are connected to the upper end surface of the first extrusion punch.

[0007] Preferably, a plurality of second eye screws are connected to the upper end surface of the second extrusion punch.

[0008] Preferably, the outer cylinder is fixed to the support plate by bolts.

[0009] Preferably, the support plate is fixedly connected to a connecting plate welded to a cylinder barrel of the oil cylinder by means of bolts.

[0010] Preferably, the second extrusion punch is coaxially arranged with the first extrusion punch, and the inner cylinder is coaxially arranged with the outer cylinder.

[0011] Preferably, the base and the support plate are made of carbon steel.

[0012] Preferably, the inner flanging mold and the outer flanging mold are made of carbon steel material.

[0013] Compared with the prior art, the utility model has achieved the following technical effects:

[0014] The flanging equipment provided by the utility model can flanging the first circular hole through the cooperation of the outer cylinder and the first extrusion punch and the oil cylinder, and can flanging the second circular hole through the cooperation of the inner cylinder and the second extrusion punch and the oil cylinder. It has a simple structure and reduces production costs compared to the method of using a press to stamp and flanging. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 This is a structural schematic diagram of the flanging equipment provided by the utility model.

[0017] In the figure: 1-base, 2-cylinder, 3-support plate, 4-inner flanging mold, 41-inner cylinder, 42-second extrusion punch, 43-second extrusion fillet, 5-outer flanging mold, 51-outer cylinder, 52-first extrusion punch, 53-first extrusion fillet, 6-limiting pin, 7-first lifting eye screw, 8-second lifting eye screw. DETAILED DESCRIPTION

[0018] 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.

[0019] The utility model aims to provide a flanging device to solve the problems existing in the prior art, has a simple structure and can reduce production costs.

[0020] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0021] like Figure 1 As shown, this embodiment provides a flanging device, including a base 1, a cylinder 2, a support plate 3, an inner flanging mold 4 and an outer flanging mold 5, the cylinder 2 is fixed on the base 1, the support plate 3 is fixed to one end of the cylinder barrel of the cylinder 2 close to its telescopic rod, the outer flanging mold 5 includes an outer cylinder 51 and a first extrusion punch 52 matched with the inner hole of the outer cylinder 51, the bottom of the outer cylinder 51 is fixed on the support plate 3, the first extrusion punch 52 is sleeved on the telescopic rod of the cylinder 2, the bottom outer edge of the first extrusion punch 52 is provided with a first extrusion fillet 53, which is used to cooperate with the outer cylinder 51 to extrude and flanging the first circular hole, the inner flanging mold 4 It includes an inner cylinder 41 and a second extrusion punch 42 that cooperates with the inner hole of the inner cylinder 41. The second extrusion punch 42 is sleeved on the telescopic rod of the oil cylinder 2 and is located above the first extrusion punch 52. The inner cylinder 41 is supported on the first extrusion punch 52. The bottom outer edge of the second extrusion punch 42 is provided with a second extrusion fillet 43, which is used to cooperate with the inner cylinder 41 to extrude and flanging the second circular hole. The telescopic rod of the oil cylinder 2 passes through the first extrusion punch 52 and the second extrusion punch 42 and is connected to the limit pin 6. The limit pin 6 is used to axially limit the second extrusion punch 42 so as to pull the second extrusion punch 42 downward through the oil cylinder 2.

[0022] When in use, the inner flanging die 4 is used to flanging the second circular hole. First, the second extrusion punch 42 is lifted, and oil is introduced from the bottom of the oil cylinder 2. The oil cylinder 2 rises. At this time, the hole (the second circular hole) on the plate is centered between the second extrusion punch 42 and the inner cylinder 41. Then the second extrusion punch 42 is inserted into the telescopic rod of the oil cylinder 2 and locked with the limit pin 6. Then oil is introduced from the top of the oil cylinder 2. The telescopic rod of the oil cylinder 2 is recovered to drive the upper second extrusion punch 42 downward, thereby stamping and flanging the plate. Similarly, the outer flanging die is used 5. For flanging the first circular hole, first lift the first extrusion punch 52 together with the second extrusion punch 42, and then add oil from the bottom of the oil cylinder 2. The oil cylinder 2 rises. At this time, the hole (second circular hole) on the plate is centered between the first extrusion punch 52 and the outer cylinder 51. Then, the first extrusion punch 52 is inserted into the telescopic rod of the oil cylinder and locked with the limit pin 6. Then, oil is added from the top of the oil cylinder 2. The telescopic rod of the oil cylinder 2 is recovered to drive the first extrusion punch 52 together with the second extrusion punch 42 to go down together, thereby stamping and flanging the plate. The flanging equipment provided in this embodiment has a simple structure and can reduce production costs compared to the method of stamping and flanging with a press. In this embodiment, a plurality of first lifting eye screws 7 are connected to the upper end surface of the first extrusion punch 52, so that the first extrusion punch 52 can be lifted conveniently by the first lifting eye screws 7.

[0023] In this embodiment, a plurality of second lifting eye screws 8 are connected to the upper end surface of the second extrusion punch 42 , so as to facilitate lifting the second extrusion punch 42 through the second lifting eye screws 8 .

[0024] In this embodiment, the outer cylinder 51 is fixed to the support plate 3 by bolts, and the support plate 3 is fixedly connected to the connecting plate welded on the cylinder barrel of the oil cylinder 2 by bolts, which is convenient for disassembly and assembly and maintenance.

[0025] In this embodiment, the second extrusion punch 42 and the first extrusion punch 52 are coaxially arranged, and the inner cylinder 41 and the outer cylinder 51 are coaxially arranged.

[0026] In this embodiment, the base 1 and the support plate 3 are made of carbon steel, and the inner flanging mold 4 and the outer flanging mold 5 are made of carbon steel, which is easy to manufacture and has a low manufacturing cost.

[0027] The utility model can perform flanging on different hole diameters by arranging first extrusion convex dies 52 of different diameters and outer cylinders 51 matched therewith, and second extrusion convex dies 42 of different diameters and inner cylinders 41 matched therewith, and has a simple structure, is easy to manufacture, and reduces production costs.

[0028] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A flanging device, characterized in that: The invention comprises a base, a cylinder, a support plate, an inner flanging die and an outer flanging die, wherein the cylinder is fixed on the base, the support plate is fixed to one end of the cylinder barrel of the cylinder close to its telescopic rod, the outer flanging die comprises an outer cylinder and a first extrusion convex die matched with the inner hole of the outer cylinder, the bottom of the outer cylinder is fixed on the support plate, the first extrusion convex die is sleeved on the telescopic rod of the cylinder, the bottom outer edge of the first extrusion convex die is provided with a first extrusion fillet, which is used to cooperate with the outer cylinder to extrude and flanging the first circular hole, the inner flanging die comprises an inner ... inner flanging die comprises an inner cylinder and a first extrusion convex die matched with the inner hole of the outer cylinder, the inner flanging die comprises an inner cylinder and a first extrusion convex die matched with the inner hole of the outer cylinder, the inner cylinder and the first extrusion convex die are provided with a first extrusion fillet, the inner cylinder and the first extrusion convex die are provided with a first extrusion fillet, the inner cylinder and the first extrusion convex die are provided with a first extrusion fillet, the inner cylinder and the first extrusion convex die are provided with a first extrusion fillet, the inner cylinder and the first extrusion convex die are provided with a first extrusion fillet, the inner cylinder and the first extrusion convex die are provided with a first extrusion The inner hole of the inner cylinder cooperates with the second extrusion punch, the second extrusion punch is sleeved on the telescopic rod of the oil cylinder and is located above the first extrusion punch, the inner cylinder is supported on the first extrusion punch, the bottom outer edge of the second extrusion punch is provided with a second extrusion fillet, which is used to cooperate with the inner cylinder to extrude and flange the second circular hole, the telescopic rod of the oil cylinder passes through the first extrusion punch and the second extrusion punch and is connected to the limit pin, and the limit pin is used to axially limit the second extrusion punch so as to pull the second extrusion punch downward through the oil cylinder.

2. The flanging device according to claim 1, characterized in that: A plurality of first lifting eye screws are connected to the upper end surface of the first extrusion punch.

3. The flanging device according to claim 1, characterized in that: A plurality of second lifting eye screws are connected to the upper end surface of the second extrusion punch.

4. The flanging device according to claim 1, characterized in that: The outer cylinder is fixed to the support plate by bolts.

5. The flanging device according to claim 1, characterized in that: The support plate is fixedly connected to a connecting plate welded on a cylinder barrel of the oil cylinder through bolts.

6. The flanging device according to claim 1, characterized in that: The second extrusion convex die is coaxially arranged with the first extrusion convex die, and the inner cylinder is coaxially arranged with the outer cylinder.

7. The flanging device according to claim 1, characterized in that: The base and the support plate are made of carbon steel.

8. The flanging device according to claim 1, characterized in that: The inner flanging mold and the outer flanging mold are made of carbon steel.

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