CN217191939U

CN217191939U - Press machine

Info

Publication number: CN217191939U
Application number: CN202221635782.2U
Authority: CN
Inventors: 何彦忠; 刘晓炎; 郭宇通
Original assignee: Suzhou Best Intelligent Technology Co ltd
Current assignee: Suzhou Best Intelligent Technology Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-08-16
Anticipated expiration: 2032-06-29

Abstract

The utility model discloses a press machine, which comprises a machine body, and a drawing power device, a blank pressing power device, a trimming power device and a drawing die which are arranged on the machine body; the trimming power device comprises a trimming driving block, a first connecting rod, a crankshaft rotationally connected to the machine body and a first driving assembly for driving the crankshaft to operate; the two ends of the crankshaft are symmetrically provided with crank throws; one end of the first connecting rod is sleeved on the crank throw, and the other end of the first connecting rod is hinged with the trimming driving block; the blank pressing power device comprises a blank pressing driving block, a second connecting rod, an eccentric gear sleeved on the crankshaft and a second driving component for driving the eccentric gear to rotate; one end of the second connecting rod is sleeved on the eccentric gear, and the other end of the second connecting rod is hinged with the blank pressing driving block. The utility model provides a press can satisfy blanking, blank pressing and deep-drawing function simultaneously.

Description

Press machine

Technical Field

The utility model relates to a pressure machine technical field especially relates to a press.

Background

The deep drawing process is a processing method for making a plate disc blank or a hollow working procedure piece into an open hollow part by utilizing a deep drawing die under the pressure action of a press machine. The existing double-action press is mainly used for blank pressing and deep drawing of large and medium-sized workpieces, has no blanking function, needs to be additionally provided with a set of blanking equipment, and improves the automation cost; in addition, some special double-acting presses are used for blanking and deep drawing, but the press has no pressure edge function, and the press edge is replaced by an elastic body such as a spring, so that the work is unstable, the adjustment difficulty is high, and the product quality is difficult to ensure.

In the production process of the cylindrical shell, drawing is needed, and meanwhile, edge pressing and edge cutting are needed, and if an edge cutting process is additionally carried out, the production efficiency is reduced. At present, the existing blank pressing and trimming are performed through a spring structure, so that the accurate control and high-speed production are difficult to realize, and meanwhile, the difficulty and loss of die debugging and maintenance are increased due to the spring structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a press to prior art's weak point.

The technical scheme of the utility model is that: a press machine comprises a machine body, and a drawing power device, a blank pressing power device, an edge cutting power device and a drawing die which are arranged on the machine body;

the trimming power device comprises a trimming driving block, a first connecting rod, a crankshaft rotationally connected to the machine body and a first driving assembly for driving the crankshaft to operate; the two ends of the crankshaft are symmetrically provided with crank throws; one end of the first connecting rod is sleeved on the crank throw, and the other end of the first connecting rod is hinged with the trimming driving block;

the blank pressing power device comprises a blank pressing driving block, a second connecting rod, an eccentric gear sleeved on the crankshaft and a second driving assembly for driving the eccentric gear to rotate; one end of the second connecting rod is sleeved on the eccentric gear, and the other end of the second connecting rod is hinged with the blank pressing driving block;

the drawing power device comprises a drawing driving block and a third driving assembly for driving the drawing driving block to operate; an accommodating cavity is formed in the blank pressing driving block; the drawing driving block is connected in the accommodating cavity in a vertical sliding manner; the third driving assembly is fixed at the inner top of the accommodating cavity;

the drawing die comprises a workbench and a female die arranged on the workbench; the workbench is fixed at the bottom of the machine body; a drawing mechanism corresponding to the inner cavity of the female die is movably arranged above the female die; the outer side of the drawing mechanism is movably provided with a blank pressing mechanism corresponding to the upper end face of the female die; the outer side of the edge pressing mechanism is movably provided with an edge cutting mechanism; and the drawing mechanism, the edge pressing mechanism and the edge cutting mechanism are respectively and fixedly connected with the drawing power device, the edge pressing power device and the edge cutting power device.

The edge cutting driving block is connected with the machine body, and the edge pressing driving block and the edge cutting driving block are connected in a sliding mode through sliding rails.

The first driving assembly and the second driving assembly are servo motors.

The third driving assembly is a hydraulic cylinder.

Furthermore, a blanking hole communicated with the inner cavity of the female die is formed in the workbench, so that the drawn part can directly fall from the blanking hole.

Further, the drawing mechanism comprises a drawing slide block and a male die fixing rod fixed at the bottom of the drawing slide block; and a male die capable of extending into the inner cavity of the female die is fixed at the bottom of the male die fixing rod.

Further, the edge pressing mechanism comprises an edge pressing sliding block and an edge pressing ring fixed on the edge pressing sliding block; the bottom end face of the edge pressing ring is consistent with the upper end face of the female die in shape, so that the stability of edge pressing is ensured.

Further, the trimming mechanism comprises a trimming sliding block and a cutter ring arranged at the bottom of the trimming sliding block; the cutter ring is slidably sleeved on the edge pressing mechanism.

The blanking hole is coaxial with the inner cavity of the female die, and the diameter of the blanking hole is larger than that of the inner cavity of the female die.

By adopting the technical scheme, the utility model discloses following beneficial effect has: (1) the utility model provides a press can satisfy blanking, blank pressing and deep-drawing function simultaneously.

(2) The utility model discloses between side cut drive block and the organism, through slide rail sliding connection between blank pressing drive block and the side cut drive block, can guarantee the stability of side cut drive block and the operation of blank pressing drive block to the deep-drawing quality has been guaranteed.

(3) The utility model discloses a first drive assembly and second drive assembly all adopt driving motor, not only simple structure, easily installation moreover.

(4) The utility model discloses a third drive assembly adopts the pneumatic cylinder, and not only the operation stationarity is higher, and pressure is controllable moreover, prevents to strain the product, has guaranteed the deep-drawing quality of product.

(5) The utility model discloses set up deep-drawing mechanism simultaneously in the top of die, blank pressing mechanism and trimming mechanism, the process of cutting edge is carried out again after need not the deep-drawing, and production efficiency has been improved, and deep-drawing mechanism, blank pressing mechanism and trimming mechanism link to each other with the three drive end of press respectively, can be according to the curve of the three drive end of different products and the pertinence regulation press of material deep-drawing physical characteristic, accomplish the accurate control blank pressing, cut and the action of deep-drawing, improve the production speed under the circumstances of guaranteeing the deep-drawing quality, all spring structure have been cancelled simultaneously, the operation stability has been promoted, the mould debugging installation degree of difficulty has been reduced.

(6) The utility model discloses be equipped with the unloading hole with the die inner chamber intercommunication on the workstation, the part after the deep-drawing can directly fall from the unloading hole, need not to take out the part after the deep-drawing from the die, has practiced thrift the labour, has improved production efficiency.

(7) The utility model discloses a terrace die dead lever is fixed in the terrace die below the deep-drawing slider, has guaranteed the stability of terrace die installation, and it is connected with the deep-drawing slider also to be convenient for simultaneously.

(8) The utility model discloses a blank pressing ring carries out the blank pressing to guaranteed side cut and deep-drawing stability, and blank pressing ring bottom end face is unanimous with the up end shape of die, has guaranteed the stability of blank pressing.

(9) The utility model discloses trimming mechanism adopts the slip cap to locate on the blank pressing mechanism, has not only guaranteed the stability of trimming mechanism motion, has guaranteed the precision of side cut moreover.

(10) The utility model discloses the unloading hole sets up with the inner chamber of die is coaxial to the diameter in unloading hole is greater than the diameter of die inner chamber, can prevent effectively that deep-drawing part card from guaranteeing the stability of unloading on the terrace die.

Drawings

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the drawing die of the present invention.

The reference numbers in the drawings are:

the device comprises a workbench 1, a female die 2, a drawing mechanism 3, a drawing slide block 3-1, a male die fixing rod 3-2, a male die 3-3, a drawing mechanism 3, a blank pressing mechanism 4, a blank pressing slide block 4-1, a blank pressing ring 4-2, a trimming mechanism 5, a trimming slide block 5-1, a cutter ring 5-2, a blanking hole 6, a machine body 7, a drawing driving block 8-1, a third driving component 8-2, a blank pressing driving block 9-1, a second connecting rod 9-2, an eccentric gear 9-3, a trimming driving block 10-1, a first connecting rod 10-2, a crankshaft 10-3, a first driving component 10-4 and a crank throw 10-5.

Detailed Description

(example 1)

Referring to fig. 1 and fig. 2, the present embodiment provides a press machine, which includes a machine body 7, and a drawing power device, a blank pressing power device, an edge cutting power device, and a drawing die, which are disposed on the machine body 7; the trimming power device comprises a trimming driving block 10-1, a first connecting rod 10-2, a crankshaft 10-3 rotationally connected to the machine body 7 and a first driving assembly 10-4 for driving the crankshaft 10-3 to operate; the two ends of the crankshaft 10-3 are symmetrically provided with crank throws 10-5; one end of the first connecting rod 10-2 is sleeved on the crank throw 10-5, and the other end of the first connecting rod is hinged with the trimming driving block 10-1; the blank pressing power device comprises a blank pressing driving block 9-1, a second connecting rod 9-2, an eccentric gear 9-3 sleeved on the crankshaft 10-3 and a second driving component for driving the eccentric gear 9-3 to rotate; the eccentric gear 9-3 is in relative rotation connection with the crankshaft 10-3, namely the rotation of the eccentric gear 9-3 is not related to the crankshaft 10-3; one end of the second connecting rod 9-2 is sleeved on the eccentric gear 9-3, and the other end is hinged with the blank pressing driving block 9-1. The drawing die comprises a workbench 1 and a female die 2 arranged on the workbench 1; the workbench 1 is fixed at the bottom of the machine body 7; a drawing mechanism 3 corresponding to the inner cavity of the female die 2 is movably arranged above the female die 2; the outer side of the drawing mechanism 3 is movably provided with a blank pressing mechanism 4 corresponding to the upper end face of the female die 2; the outer side of the edge pressing mechanism 4 is movably provided with an edge cutting mechanism 5; the drawing mechanism 3, the edge pressing mechanism 4 and the edge cutting mechanism 5 are fixedly connected with the drawing power device, the edge pressing power device and the edge cutting power device respectively.

The deep drawing power device comprises a deep drawing driving block 8-1 and a third driving assembly 8-2 for driving the deep drawing driving block 8-1 to operate; an accommodating cavity is formed in the blank pressing driving block 9-1; the drawing driving block 8-1 is connected in the accommodating cavity in a vertical sliding manner; the third driving assembly 8-2 is fixed on the inner top of the accommodating cavity.

Furthermore, the edge cutting driving block 10-1 and the machine body 7, and the edge pressing driving block 9-1 and the edge cutting driving block 10-1 are in sliding connection through sliding rails, so that the running stability of the edge cutting driving block and the edge pressing driving block is ensured, and the drawing quality is ensured.

Furthermore, the first driving assembly 10-4 and the second driving assembly are servo motors, so that the structure is simple, and the installation is easy.

Furthermore, the third driving assembly 8-2 is a hydraulic cylinder, so that the operation stability is high, the pressure is controllable, the product is prevented from being pulled, and the drawing quality of the product is ensured.

Furthermore, the workbench 1 is provided with a blanking hole 6 communicated with the inner cavity of the female die 2, so that drawn parts do not need to be taken out of the female die 2, labor force is saved, and production efficiency is improved.

Further, the drawing mechanism 3 comprises a drawing slide block 3-1 and a male die fixing rod 3-2 fixed at the bottom of the drawing slide block 3-1; the bottom of the male die fixing rod 3-2 is fixed with a male die 3-3 which can extend into the cavity of the female die 2 through a screw. In the embodiment, the male die 3-3 is fixed below the drawing slide block 3-1 by the male die fixing rod 3-2, so that the stability of the installation of the male die 3-3 is ensured, and meanwhile, the connection between the male die and the drawing slide block 3-1 is facilitated. The drawing slide block 3-1 is fixedly connected with a drawing driving block 8-1 of the press machine through a screw.

Further, the edge pressing mechanism 4 comprises an edge pressing slide block 4-1 and an edge pressing ring 4-2 fixed on the edge pressing slide block 4-1; the bottom end surface of the edge pressing ring 4-2 is consistent with the upper end surface of the female die 2 in shape. The edge pressing slide block 4-1 is fixedly connected with an edge pressing driving block 9-1 through a screw.

Further, the trimming mechanism 5 comprises a trimming sliding block 5-1 and a cutter ring 5-2 arranged at the bottom of the trimming sliding block 5-1; the cutter ring 5-2 is sleeved on the edge pressing mechanism 4 in a sliding manner, so that the movement stability of the edge cutting mechanism 5 is ensured, and the edge cutting precision is also ensured. The trimming slide block 5-1 is fixedly connected with the trimming driving block 10-1 through a screw.

Furthermore, the blanking hole 6 is coaxial with the inner cavity of the female die 2, and the diameter of the blanking hole 6 is larger than that of the inner cavity of the female die 2, so that the deep drawing part can be effectively prevented from being clamped on the male dies 3-3, and the blanking stability is ensured.

The implementation working process comprises the following steps: firstly, the strip material is sent to the female die 2, the second driving component of the press machine drives the eccentric gear 9-3 to run, the edge pressing driving block 9-1 is pressed downwards, so that the edge pressing ring 4-2 is driven to press downwards to press the strip material, then a first driving component 10-4 of the trimming power device drives a trimming driving block 10-1 to move downwards to drive a trimming sliding block 5-1 to move downwards, the trimming sliding block 5-1 drives a cutter to move 5-1 downwards to perform trimming to obtain a ring sheet material, finally a third driving component 8-2 of the deep drawing power device drives a deep drawing driving block 8-1 to move downwards, the deep drawing driving block 8-1 drives a deep drawing sliding block 3-1 to move downwards, thereby driving the male dies 3-3 to move downwards, drawing the ring sheet into a cylindrical shell shape, and falling in the blanking hole 6.

The compound mould of cylinder casing deep-drawing unloading of this embodiment has set up deep-drawing mechanism 3 simultaneously in the top of die 2, blank pressing mechanism 4 and trimming mechanism 5, need not to carry out the side cut process after the deep-drawing again, and production efficiency is improved, and deep-drawing mechanism 3, blank pressing mechanism 4 and trimming mechanism 5 link to each other with the three drive end of press respectively, can be according to the curve of the three drive end of different products and the pertinence regulation press of material deep-drawing physical characteristic, accomplish accurate control blank pressing, cut and deep-drawing action, improve the production speed under the condition of guaranteeing the deep-drawing quality, all spring structure have been cancelled simultaneously, the operation stability has been promoted, the mould debugging installation degree of difficulty has been reduced.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A press machine characterized by: comprises a machine body (7), and a drawing power device, a blank pressing power device, an edge cutting power device and a drawing die which are arranged on the machine body (7);

the trimming power device comprises a trimming driving block (10-1), a first connecting rod (10-2), a crankshaft (10-3) rotationally connected to the machine body (7) and a first driving assembly (10-4) used for driving the crankshaft (10-3) to operate; two ends of the crankshaft (10-3) are symmetrically provided with crank throws (10-5); one end of the first connecting rod (10-2) is sleeved on the crank (10-5), and the other end of the first connecting rod is hinged with the trimming driving block (10-1);

the blank pressing power device comprises a blank pressing driving block (9-1), a second connecting rod (9-2), an eccentric gear (9-3) sleeved on the crankshaft (10-3) and a second driving component for driving the eccentric gear (9-3) to rotate; one end of the second connecting rod (9-2) is sleeved on the eccentric gear (9-3), and the other end of the second connecting rod is hinged with the blank pressing driving block (9-1);

the deep drawing power device comprises a deep drawing driving block (8-1) and a third driving assembly (8-2) for driving the deep drawing driving block (8-1) to operate; an accommodating cavity is formed in the blank pressing driving block (9-1); the drawing driving block (8-1) is connected in the accommodating cavity in a vertical sliding manner; the third driving assembly (8-2) is fixed at the inner top of the accommodating cavity;

the drawing die comprises a workbench (1) and a female die (2) arranged on the workbench (1); the workbench (1) is fixed at the bottom of the machine body (7); a drawing mechanism (3) corresponding to the inner cavity of the female die (2) is movably arranged above the female die (2); a blank pressing mechanism (4) corresponding to the upper end face of the female die (2) is movably arranged on the outer side of the drawing mechanism (3); the outer side of the edge pressing mechanism (4) is movably provided with an edge cutting mechanism (5); and the drawing mechanism (3), the edge pressing mechanism (4) and the edge cutting mechanism (5) are fixedly connected with the drawing power device, the edge pressing power device and the edge cutting power device respectively.

2. Press according to claim 1, characterized in that: the trimming driving block (10-1) is connected with the machine body (7), and the edge pressing driving block (9-1) and the trimming driving block (10-1) are connected in a sliding mode through sliding rails.

3. Press according to claim 1, characterized in that: the first driving assembly (10-4) and the second driving assembly are both servo motors.

4. Press according to claim 1, characterized in that: the third driving assembly (8-2) is a hydraulic cylinder.

5. Press according to claim 1, characterized in that: and a blanking hole (6) communicated with the inner cavity of the female die (2) is formed in the workbench (1).

6. Press according to claim 1, characterized in that: the drawing mechanism (3) comprises a drawing sliding block (3-1) and a male die fixing rod (3-2) fixed at the bottom of the drawing sliding block (3-1); the bottom of the male die fixing rod (3-2) is fixed with a male die (3-3) which can extend into the cavity of the female die (2).

7. Press according to claim 1, characterized in that: the edge pressing mechanism (4) comprises an edge pressing sliding block (4-1) and an edge pressing ring (4-2) fixed on the edge pressing sliding block (4-1); the bottom end surface of the edge pressing ring (4-2) is consistent with the shape of the upper end surface of the female die (2).

8. Press according to claim 1, characterized in that: the trimming mechanism (5) comprises a trimming sliding block (5-1) and a cutter ring (5-2) arranged at the bottom of the trimming sliding block (5-1); the cutter ring (5-2) is sleeved on the edge pressing mechanism (4) in a sliding manner.

9. Press according to claim 5, characterized in that: the blanking hole (6) is coaxial with the inner cavity of the female die (2), and the diameter of the blanking hole (6) is larger than that of the inner cavity of the female die (2).