CN219274299U - Punching machine with workpiece ejection function - Google Patents

Abstract

The utility model discloses a punching machine with a workpiece ejection function, which comprises a bottom plate, a top plate, a movable plate, movable columns, guide columns, a first spring, a second spring, an ejector plate, an ejector rod, an upper module and a lower module, wherein a top plate is arranged right above the bottom plate, the bottom plate is connected with the top plate through a plurality of vertically arranged guide columns, a hydraulic cylinder is arranged on the top plate, a piston rod of the hydraulic cylinder is connected with a mounting plate positioned below the top plate, a plurality of first guide holes which are in one-to-one correspondence with the guide columns are arranged on the mounting plate, the guide columns penetrate through the first guide holes, an upper module is arranged at the bottom of the mounting plate, a plurality of punches are arranged at the bottom of the upper module, a lower module is fixed on the bottom plate and is positioned right below the upper module, and a plurality of die holes which are in one-to-one correspondence with the punches are arranged on the lower module. According to the utility model, the movable ejector plate is arranged in the module, so that the ejector plate can eject a workpiece after stamping is finished.

Description

Punching machine with workpiece ejection function

[ field of technology ]

The utility model relates to the technical field of machining, in particular to the technical field of punching machines.

[ background Art ]

At present, when a metal material is processed, a punching machine is one of common equipment, and a material which is mainly aimed at by a punching technology is a metal plate, when the metal plate is punched, a die is needed, the punched metal plate is easy to adhere in a punching hole, the punching part is taken out more troublesome, and the problem that the punching part is inconvenient to eject out of the punching die exists. Although the prior patent CN215033118 discloses a punching machine with the function of ejecting a stamping part, the moving plate of the punching machine is subjected to a great instant impact force at the moment of contacting with the fixed rod, the moving plate is easy to collide with dents or even cracks, and meanwhile, the moving plate is easy to deform, frequent maintenance is needed, the long-term maintenance cost is high, and the production efficiency is affected.

[ utility model ]

The utility model aims to solve the problems in the prior art, and provides a punching machine with a workpiece ejection function, which can ensure that a movable plate is not easy to receive an instant large impact force, is not easy to deform or crack, does not need to frequently maintain the movable plate, and has lower long-term maintenance cost.

In order to achieve the aim, the utility model provides a punching machine with a workpiece ejection function, which comprises a bottom plate, a top plate, a movable plate, movable columns, guide columns, a first spring, a second spring, an ejector plate, an ejector rod, an upper module and a lower module, wherein the top plate is arranged right above the bottom plate, the bottom plate and the top plate are connected through a plurality of guide columns which are vertically arranged, a hydraulic cylinder is arranged on the top plate, a piston rod of the hydraulic cylinder is connected with a mounting plate positioned below the top plate, a plurality of first guide holes which are in one-to-one correspondence with the guide columns are arranged on the mounting plate, the guide columns penetrate through the first guide holes, an upper module is arranged at the bottom of the mounting plate, a plurality of punches are arranged at the bottom of the upper module, a lower module is fixed on the bottom plate, a plurality of die holes which are in one-to-one correspondence with the punches are arranged on the lower module, the die holes penetrate through the upper end and the lower end of the lower module, an opening window is arranged on the bottom plate, the opening window penetrates through the upper end and the lower end of the bottom plate, all the die holes are positioned right above the opening window, a movable plate is arranged below the bottom plate, a plurality of ejector rods are arranged on the movable plate, the ejector rods are fixedly arranged at the top ends of the ejector rods and correspond to the die holes one by one, the ejector rods are positioned in the corresponding die holes, a plurality of movable columns are fixedly arranged on the movable plate, a plurality of second guide holes which correspond to the movable columns one by one are arranged on the bottom plate, the movable columns penetrate through the second guide holes, a first baffle ring is arranged on the movable columns, the first baffle ring is positioned above the bottom plate, a first spring is clamped between the first baffle ring and the bottom plate, the first spring is sleeved outside the movable columns, the two ends of the first spring are respectively fixed with the first baffle ring and the bottom plate, a second baffle ring is arranged on the movable columns, the second keeps off the top that the ring is located first keeps off the ring, and the second keeps off the ring and is located the below of mounting panel, and it has a second spring to press from both sides between second keeps off ring and the mounting panel, and the second spring cover is outside the movable column, and second spring both ends are fixed with second fender ring and mounting panel respectively.

Preferably, the movable column is not contacted with the mounting plate all the time, the first spring and the second spring are in compression state all the time, and the ejector plate is positioned in the corresponding die hole all the time.

Preferably, the bottom of the lower module comprises a lug which is matched with the opening window, and the lug is embedded into the opening window.

Preferably, the movable plate is provided with a limiting frame corresponding to the opening window, an auxiliary plate is fixed in the limiting frame, and the ejector rod is fixed on the auxiliary plate.

The utility model has the beneficial effects that: according to the utility model, the movable ejector plate is arranged in the module, so that the ejector plate can eject a workpiece after stamping is finished; the first spring and the second spring drive the movable column to move, so that the movement connected with the movable column is not easy to receive instantaneous large impact force, the movable plate is not easy to deform or crack, frequent maintenance on the movable plate is not needed, and the long-term maintenance cost is low.

The features and advantages of the present utility model will be described in detail by way of example with reference to the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a front view of a press machine with a workpiece ejection function of the present utility model.

In the figure: the device comprises a 1-bottom plate, a 2-upper module, a 3-lower module, a 4-movable plate, an 11-guide column, a 12-top plate, a 13-hydraulic cylinder, a 15-opening window, a 20-punch, a 21-mounting plate, a 30-die hole, a 35-bump, a 40-movable column, a 41-first baffle ring, a 42-first spring, a 43-second baffle ring, a 44-second spring, a 45-limit frame, a 46-auxiliary plate, a 47-ejector rod and a 48-ejector plate.

[ detailed description ] of the utility model

Referring to fig. 1, the punching machine with workpiece ejection function of the utility model comprises a bottom plate 1, a top plate 12, a movable plate 4, a movable column 40, guide columns 11, a first spring 42, a second spring 44, an ejector plate 48, an ejector rod 47, an upper module 2 and a lower module 3, wherein the top plate 12 is arranged right above the bottom plate 1, the bottom plate 1 and the top plate 12 are connected through a plurality of vertically arranged guide columns 11, a hydraulic cylinder 13 is arranged on the top plate 12, a piston rod of the hydraulic cylinder 13 is connected with a mounting plate 21 positioned below the top plate 12, a plurality of first guide holes corresponding to the guide columns 11 one by one are arranged on the mounting plate 21, the guide columns 11 penetrate through the first guide holes, an upper module 2 is arranged at the bottom of the mounting plate 21, a plurality of punches 20 are arranged at the bottom of the upper module 2, a lower module 3 is fixed on the bottom plate 1, the lower module 3 is positioned right below the upper module 2, a plurality of die holes 30 which are in one-to-one correspondence with the punches 20 are arranged on the lower module 3, the die holes 30 penetrate through the upper end and the lower end of the lower module 3, an opening window 15 is arranged on the bottom plate 1, the opening window 15 penetrates through the upper end and the lower end of the bottom plate 1, all the die holes 30 are positioned right above the opening window 15, a movable plate 4 is arranged below the bottom plate 1, a plurality of ejector rods 47 are arranged on the movable plate 4, ejector plates 48 are fixedly arranged at the top ends of the ejector rods 47, the ejector plates 48 are in one-to-one correspondence with the die holes 30, the ejector plates 48 are positioned in the corresponding die holes 30, a plurality of movable columns 40 are fixedly arranged on the movable plate 4, a plurality of second guide holes which are in one-to-one correspondence with the movable columns 40 are arranged on the bottom plate 1, the movable columns 40 penetrate through the second guide holes, a first baffle ring 41 is arranged on the movable column 40, the first baffle ring 41 is positioned above the bottom plate 1, a first spring 42 is clamped between the first baffle ring 41 and the bottom plate 1, the first spring 42 is sleeved outside the movable column 40, two ends of the first spring 42 are respectively fixed with the first baffle ring 41 and the bottom plate 1, a second baffle ring 43 is installed on the movable column 40, the second baffle ring 43 is located above the first baffle ring 41, the second baffle ring 43 is located below the mounting plate 21, a second spring 44 is clamped between the second baffle ring 43 and the mounting plate 21, the second spring 44 is sleeved outside the movable column 40, and two ends of the second spring 44 are respectively fixed with the second baffle ring 43 and the mounting plate 21.

The movable column 40 is not contacted with the mounting plate 21 all the time, the first spring 42 and the second spring 44 are always in a compressed state, and the ejector plate 48 is always positioned in the corresponding die hole 30.

The bottom of the lower module 3 comprises a protruding block 35 corresponding to the opening window 15, and the protruding block 35 is embedded in the opening window 15. The lower module 3 is easy to position during installation.

The movable plate 4 is provided with a limiting frame 45 corresponding to the opening window 15, an auxiliary plate 46 is fixed in the limiting frame 45, and an ejector rod 47 is fixed on the auxiliary plate 46. The ejector rod 47 facilitates positioning.

The working process of the utility model comprises the following steps:

in the working process of the punching machine with the workpiece ejection function, the upper end face of the ejection plate 48 is flush with the upper end face of the lower module 3 in the initial state, a plate is placed on the lower module 3, the hydraulic cylinder 13 drives the mounting plate 21 to be pushed down, the upper module 2 and the punch 21 at the bottom of the upper module 2 are also pushed down along with the pushing down of the mounting plate 21, in the pushing down process of the mounting plate 21, the mounting plate 21 presses the movable column 40 downwards through the second spring 44, the movable column 40 is pushed down along with the pushing down of the movable column 40, the second spring 44 is also compressed, the movable column 40 is pushed down, the movable plate 4 is also driven to be pushed down along with the pushing up of the movable column 40, the movable plate 4 is gradually increased due to the existence of the first spring 42 and the second spring 44, the instant large impact force does not occur, the movable plate 4 is not easy to be damaged or deformed, the movable plate 4 is also driven to be pushed down along with the pushing up of the ejection rod 47 and the ejection plate 48, the hydraulic cylinder 13 drives the mounting plate 21 to be pushed up along with the pushing up of the mounting plate 21 after the punching is completed, the movable column 40 is pushed up through the second spring 44, the movable column 40 is pushed up along with the pushing up of the movable column 40, the movable column 40 is pushed up along with the ejection rod 40.

The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.

Claims (4)

1. Punching machine with work piece ejection function, its characterized in that: the device comprises a bottom plate (1), a top plate (12), a movable plate (4), movable columns (40), guide columns (11), first springs (42), second springs (44), ejector plates (48), ejector rods (47), an upper module (2) and a lower module (3), wherein the top plate (12) is arranged right above the bottom plate (1), the bottom plate (1) and the top plate (12) are connected through a plurality of guide columns (11) which are vertically arranged, a hydraulic cylinder (13) is arranged on the top plate (12), a piston rod of the hydraulic cylinder (13) is connected with a mounting plate (21) which is arranged below the top plate (12), a plurality of first guide holes which are in one-to-one correspondence with the guide columns (11) are arranged on the mounting plate (21), the guide columns (11) penetrate through the first guide holes, an upper module (2) is arranged at the bottom of the mounting plate (21), a plurality of punches (20) are arranged at the bottom of the upper module (2), a lower module (3) is fixed on the bottom plate (1), the lower module (3) is arranged right below the upper module (2), a plurality of punches (20) are arranged at the lower module (3), the upper module (30) is arranged at the positions of the upper module (2) respectively corresponding to the lower module (30), the bottom plate (1) is provided with an opening window (15), the opening window (15) penetrates through the upper end and the lower end of the bottom plate (1), all the die holes (30) are located right above the opening window (15), a movable plate (4) is arranged below the bottom plate (1), a plurality of ejector rods (47) are arranged on the movable plate (4), ejector plates (48) are fixedly arranged at the top ends of the ejector rods (47), the ejector plates (48) are in one-to-one correspondence with the die holes (30), the ejector plates (48) are located in the corresponding die holes (30), a plurality of movable columns (40) are fixedly arranged on the movable plate (4), a plurality of second guide holes in one-to-one correspondence with the movable columns (40) are arranged on the bottom plate (1), the movable columns (40) penetrate through the second guide holes, a first baffle ring (41) is arranged on the movable columns (40), a first spring (42) is clamped between the first baffle ring (41) and the bottom plate (1), the first baffle ring (41) and the first baffle ring (41) are sleeved on the first baffle ring (40) and the first baffle ring (43) respectively, the first baffle ring (40) are fixedly arranged on the first baffle ring (41) and the second baffle ring (43) respectively, the second baffle ring (43) is positioned below the mounting plate (21), a second spring (44) is clamped between the second baffle ring (43) and the mounting plate (21), the second spring (44) is sleeved outside the movable column (40), and two ends of the second spring (44) are respectively fixed with the second baffle ring (43) and the mounting plate (21).

2. The punch with workpiece ejection function according to claim 1, wherein: the movable column (40) is not contacted with the mounting plate (21) all the time, the first spring (42) and the second spring (44) are all the time in a compressed state, and the ejector plate (48) is all the time positioned in the corresponding die hole (30).

3. The punch with workpiece ejection function according to claim 1, wherein: the bottom of the lower module (3) comprises a lug (35) which is matched with the opening window (15), and the lug (35) is embedded into the opening window (15).

4. The punch with workpiece ejection function according to claim 1, wherein: the movable plate (4) is provided with a limiting frame (45) corresponding to the opening window (15), an auxiliary plate (46) is fixed in the limiting frame (45), and the ejector rod (47) is fixed on the auxiliary plate (46).

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