阅读说明：本技术 一种便于双侧冲压的冲压翻孔设备 (Punching press hole flanging equipment convenient to two side punching presses ) 是由 陈烁 于 2020-06-08 设计创作，主要内容包括：本发明公开了一种便于双侧冲压的冲压翻孔设备,涉及到冲压翻孔设备领域,包括机座,机座的上表面中部通过螺栓固定设置有底模,机座通过支柱固定连接有顶座,顶座上所设主液压缸伸缩杆下端固定连接有升降板座,升降板座的下表面两侧通过副液压缸连接有顶模。本发明通过控制主液压缸的伸缩杆向下伸长,从而使得顶模底部的上压合面对板金钢槽的侧板进行抵压,有效防止板金钢槽侧板的翘边现象；同时控制副液压缸的伸缩杆回缩,在升降板座的继续下降过程中,由顶柱底部所焊接的顶板多根连杆进行下压,连杆推动冲孔滑杆,使多根冲孔滑杆同时对板金钢槽的两侧板进行冲孔,提高冲孔效率。(The invention discloses punching hole flanging equipment convenient for double-side punching, and relates to the field of punching hole flanging equipment. According to the invention, the telescopic rod of the main hydraulic cylinder is controlled to extend downwards, so that the upper pressing surface at the bottom of the top die is pressed against the side plate of the sheet metal steel groove, and the edge warping phenomenon of the side plate of the sheet metal steel groove is effectively prevented; and meanwhile, the telescopic rods of the auxiliary hydraulic cylinders are controlled to retract, in the continuous descending process of the lifting plate base, a plurality of connecting rods of a top plate welded at the bottom of the top column are pressed down, and the connecting rods push the punching slide rods, so that the punching slide rods punch holes on two side plates of the sheet metal steel groove at the same time, and the punching efficiency is improved.)

1. The utility model provides a punching press hole flanging equipment convenient to two side punching presses, includes frame (1), its characterized in that: the upper surface middle part of frame (1) is provided with die block (2) through bolt fastening, the both sides integrated into one piece of die block (2) has side form (201), the inboard upper end of side form (201) is the lower laminating face of slope, and side form (201) establish down the laminating face surface and seted up a plurality of punching press holes (13), frame (1) upper surface four corners department is through pillar (3) fixedly connected with footstock (4), the upper surface of footstock (4) is through bolt fixedly connected with master cylinder (5) and PLC controller, the telescopic link of master cylinder (5) runs through footstock (4) perpendicularly downwards, and the telescopic link lower extreme fixedly connected with lifter plate seat (6) of master cylinder (5), the upper surface side-mounting of lifter plate seat (6) is provided with and is close displacement sensor, the lower surface both sides of lifter plate seat (6) all are provided with two sets of vice hydraulic cylinder (7), the telescopic rods of the auxiliary hydraulic cylinders (7) are vertically downward, the lower end of each telescopic rod of each group of auxiliary hydraulic cylinders (7) is fixedly connected with the top die (8), the middle part of the lower surface of the lifting plate seat (6) is welded with a top column (9) which is vertically downward, the lower end of the top column (9) is welded with a top plate (10), two sides of the lower surface of the top plate (10) are respectively welded with a plurality of hinged lugs, each hinged lug is hinged with a connecting rod (11), the middle parts of the connecting rods (11) arranged on the same side are connected through a linkage rod (4), the lower end of each connecting rod (11) is hinged with a punching slide rod (12), the PLC controller controls the telescopic rods of the main hydraulic cylinders (5) to extend downward to trigger an approaching displacement sensor, and at the moment, the pneumatic cylinders start to pressurize, so that the upper press-pressing surface at the bottoms of the top dies (8) presses against, after punching, the pressurizing stroke of the air-hydraulic cylinder is recovered, the top die (8) is in pressure contact with the side plate of the sheet metal groove (19) and the side die (201), the punch rises, after the approach displacement sensor is triggered, the pre-pressing stroke is recovered, and meanwhile, the punching pressure mechanism integrally moves to the initial position.

2. A punch flanging device for facilitating double-sided punching according to claim 1, characterized in that: the bottom die (2) is provided with a sheet metal steel groove (19), and two side plates of the sheet metal steel groove (19) are matched with a lower pressing surface arranged on the side die (201).

3. A punch flanging device for facilitating double-sided punching according to claim 1, characterized in that: a blanking channel (15) communicated with the stamping hole (13) is formed in the side die (201), a blanking cavity separated by a material guide plate (17) is formed in the base (1), and a blanking opening (16) communicated with the blanking channel (15) is formed in the top of the blanking cavity.

4. A punch flanging device for facilitating double-sided punching according to claim 3, characterized in that: the material guide plate (17) is a smooth plate body which is obliquely arranged, and a discharge opening (18) is formed in the side wall of the machine base (1) and clings to the lower end of the material guide plate (17).

5. A punch flanging device for facilitating double-sided punching according to claim 1, characterized in that: the two top dies (8) are respectively and correspondingly arranged right above the two side dies (201), and the lower surfaces of the top dies (8) are upper press-fit surfaces matched with the lower press-fit surfaces arranged on the side dies (201).

6. A punch flanging device for facilitating double-sided punching according to claim 1, characterized in that: the punching slide bars (12) obliquely slide and penetrate through one side of the corresponding top die (8), and the punching slide bars (12) are arranged corresponding to the punching holes (13).

Technical Field

The invention relates to the field of punching and hole flanging equipment, in particular to punching and hole flanging equipment convenient for double-side punching.

Background

The hole flanging refers to a stamping method for flanging the inner hole edge of a plate into a vertical edge by using a die, generally speaking, for a flat plate without holes, the prior art needs to perform pre-punching and then flanging, namely, the first process performs pre-punching and the second process performs hole flanging. However, since the punching die sleeve and the die holder are usually fixedly connected in the punching process, if the hole flanging is continued after the pre-punching process is completed, the hole flanging part of the male die interferes with the female die, and the hole flanging process cannot be realized. When two side plates of the sheet metal steel groove are punched and flanged, the two side plates of a part need to be positioned twice in the traditional machining mode, so that the machining precision is reduced, and the labor intensity of workers is increased; in addition, in the process of punching the machined part, the machined part needs to be well fixed, and the machined part is prevented from warping to cause punching deviation.

The invention patent application with the application number of CN201711269557.5 discloses a punching hole flanging device, which realizes simultaneous punching of two sides of a sheet metal part and avoids secondary operation through mutual matching of a clamping device, a movable device, a connecting device, a linkage device and an adjusting device.

Although the above technical solution can perform stamping on both sides of the sheet metal part, the following problems exist: 1) the structure is complex, each functional device needs to be arranged in a matching way, and the cost is higher; 2) the clamping fixing mode is not beneficial to efficiently replacing the sheet metal.

Based on this, provide a punching press hole flanging equipment that the both sides punching press of being convenient for, and do not stick up limit, punch a hole skew.

Disclosure of Invention

The invention aims to provide punching and hole flanging equipment which is convenient for double-side punching and has no edge warping and punching offset, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a punching hole flanging device convenient for double-side punching comprises a machine base, wherein a bottom die is fixedly arranged in the middle of the upper surface of the machine base through bolts, side dies are integrally formed on two sides of the bottom die, the upper end of the inner side of each side die is a lower pressing surface inclined, a plurality of punching holes are formed in the surface of the lower pressing surface formed by the side dies, four corners of the upper surface of the machine base are fixedly connected with a top seat through supporting columns, a main hydraulic cylinder is fixedly connected to the upper surface of the top seat through bolts, a telescopic rod of the main hydraulic cylinder vertically penetrates through the top seat downwards, a lifting plate seat is fixedly connected to the lower end of a telescopic rod of the main hydraulic cylinder, two groups of auxiliary hydraulic cylinders are arranged on two sides of the lower surface of the lifting plate seat, top dies are vertically downwards fixedly connected to the lower end of the telescopic rod of each group of auxiliary hydraulic cylinders, a top pillar is welded in the middle of the lower, a plurality of hinged lugs are welded on two sides of the lower surface of the top plate respectively, each hinged lug is hinged with a connecting rod, the middle parts of the connecting rods on the same side are connected through a linkage rod, and each lower end of each connecting rod is hinged with a punching slide rod.

Preferably, the bottom die is provided with a sheet metal steel groove, and two side plates of the sheet metal steel groove are matched with the lower pressing surface of the side die.

Preferably, a blanking channel communicated with the stamping hole is formed in the side mold, a blanking cavity separated by the material guide plate is formed in the base, and a blanking port communicated with the blanking channel is formed in the top of the blanking cavity.

Preferably, the material guide plate is a smooth plate body which is obliquely arranged, and the side wall of the machine base is tightly attached to the lower end of the material guide plate and is provided with a material discharge port.

Preferably, the two top dies are respectively and correspondingly arranged right above the two side dies, and the lower surfaces of the top dies are upper press-fit surfaces matched with the lower press-fit surfaces arranged on the side dies.

Preferably, the punching slide bars obliquely slide and penetrate through one side of the corresponding top die, and the punching slide bars and the punching holes are correspondingly arranged.

The invention has the technical effects and advantages that:

1. according to the invention, the PLC controller controls the telescopic rod of the main hydraulic cylinder to extend downwards and trigger the proximity displacement sensor, so that the upper pressing surface at the bottom of the top die is pressed against the side plate of the sheet metal steel groove, and the edge warping phenomenon of the side plate of the sheet metal steel groove is effectively prevented;

2. according to the invention, after the top die presses the sheet metal groove, the PLC controller continuously controls the extension rod of the main hydraulic cylinder to extend and simultaneously controls the retraction rod of the auxiliary hydraulic cylinder to retract, and in the continuous descending process of the lifting plate seat, a plurality of connecting rods of the top plate welded at the bottom of the top column press down, and the connecting rods push the punching slide rods, so that the plurality of punching slide rods punch holes on two side plates of the sheet metal groove at the same time, and the sheet metal groove punching machine has the advantages of high automation degree, stable working performance and high punching efficiency.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is an enlarged view of a point a in fig. 1.

Fig. 3 is a first flowchart of the present invention.

Fig. 4 is a second flowchart of the present invention.

Fig. 5 is an enlarged view at B in fig. 4.

Fig. 6 is a third flowchart of the present invention.

Fig. 7 is an enlarged view at C in fig. 6.

In the figure: 1. a machine base; 2. bottom die; 201. side mould; 3. a pillar; 4. a top seat; 5. a master cylinder; 6. a lifting plate seat; 7. an auxiliary hydraulic cylinder; 8. carrying out top die; 9. a top pillar; 10. a top plate; 11. a connecting rod; 12. punching a sliding rod; 13. punching a hole; 14. a linkage rod; 15. a blanking channel; 16. a blanking port; 17. a material guide plate; 18. a discharge outlet; 19. a sheet metal steel groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides punching hole flanging equipment convenient for double-side punching, which comprises a machine base 1 and is combined with a machine base 1, as shown in a figure 1, a figure 2 and a figure 6, wherein the middle part of the upper surface of the machine base 1 is fixedly provided with a bottom die 2 through bolts, two sides of the bottom die 2 are integrally formed with side dies 201, the upper ends of the inner sides of the side dies 201 are inclined lower pressing surfaces, a sheet metal steel groove 19 is arranged on the bottom die 2, two side plates of the sheet metal steel groove 19 are matched and adapted with the lower pressing surfaces arranged on the side dies 201, the surface of the lower pressing surface arranged on the side dies 201 is provided with a plurality of punching holes 13, when the punching slide bar 12 punches the sheet metal steel groove 19, the end part of the punching slide bar 12 is inserted into the punching hole 13, a blanking channel 15 communicated with the punching hole 13 is arranged inside the side die 201, a blanking cavity separated by a guide plate 17 is arranged inside the machine base 1, the top of the blanking cavity is provided with a blanking port 16, waste materials generated by punching fall into a blanking cavity inside the base 1 along the blanking channel 15 and the blanking port 16, the guide plate 17 is a smooth plate body which is obliquely arranged, and the lower end of the side wall of the base 1, which is tightly attached to the guide plate 17, is provided with a discharge port 18, so that the punched waste materials are conveniently discharged.

Referring to fig. 1, 2 and 3, four corners of the upper surface of the base 1 are fixedly connected with a top base 4 through pillars 3, the upper surface of the top base 4 is fixedly connected with a main hydraulic cylinder 5 and a PLC controller (not shown) through bolts, a telescopic rod of the main hydraulic cylinder 5 vertically penetrates the top base 4 downwards, the lower end of the telescopic rod of the main hydraulic cylinder 5 is fixedly connected with a lifting plate base 6, an approaching displacement sensor (not shown) is arranged on the upper surface of the lifting plate base 6, two sets of auxiliary hydraulic cylinders 7 are arranged on two sides of the lower surface of the lifting plate base 6, the telescopic rods of the auxiliary hydraulic cylinders 7 vertically downwards, the lower end of the telescopic rod of each set of auxiliary hydraulic cylinders 7 is fixedly connected with a top mold 8, the two top molds 8 are respectively and correspondingly arranged right above the two side molds 201, the lower surface of the top mold 8 is an upper pressing surface matched with a lower pressing surface arranged on the side mold 201, as shown in fig. 3 and, the PLC controller is through the extension downwards of the telescopic link of control master cylinder 5, trigger and be close displacement sensor, the pneumatic cylinder begins the pressure boost this moment, thereby make the last pressfitting of top mould 8 bottom support the pressure to the curb plate of sheet metal steel groove 19, effectively prevent the limit phenomenon of sticking up of sheet metal steel groove 19 curb plate, after punching a hole, pneumatic cylinder pressure boost stroke resumes, top mould 8 keeps pressure contact with 19 curb plates in sheet metal steel groove and side form 201, the drift rises, after triggering and being close displacement sensor, the pre-compaction stroke resumes, the pressure mechanism that punches a hole moves to initial position on the whole simultaneously.

Referring to fig. 2 and 3, a vertically downward top pillar 9 is welded in the middle of the lower surface of the lifting plate base 6, a top plate 10 is welded at the lower end of the top pillar 9, a plurality of hinge lugs are welded on two sides of the lower surface of the top plate 10 respectively, each hinge lug is hinged with a connecting rod 11, the middles of the connecting rods 11 arranged on the same side are connected by a linkage rod 14, linkage between the connecting rods 11 is ensured, a punching slide rod 12 is hinged with the lower end of each connecting rod 11, the punching slide rod 12 obliquely slides along one side of the top die 8 corresponding to the top die 8 and penetrates through, and the punching slide rods 12 are arranged corresponding to the punching holes 13, as shown in fig. 4 and 5, after the top die 8 presses the sheet metal steel groove 19, the extension of the telescopic rod of the main hydraulic cylinder 5 is continuously controlled, and simultaneously, the retraction of the telescopic rod of the auxiliary hydraulic cylinder 7 is controlled, and during the continuous, a plurality of connecting rods 11 of a top plate 10 welded at the bottom of a top column 9 are pressed downwards, the connecting rods 11 push punching slide rods 12, so that the punching slide rods 12 punch holes on two side plates of a sheet metal groove 19 at the same time, and punching efficiency is improved.

When the punching press is in work, the sheet metal steel groove 19 is placed in the bottom die 2, and as shown in fig. 3 and 4, the PLC controls the telescopic rod of the main hydraulic cylinder 5 to extend downwards to trigger the approaching displacement sensor, and the pneumatic cylinder starts to pressurize at the moment, so that the upper press fit surface at the bottom of the top die 8 presses against the side plate of the sheet metal steel groove 19, the edge warping phenomenon of the side plate of the sheet metal steel groove 19 is effectively prevented, after hole flanging is finished, the pressurizing stroke of the pneumatic cylinder is recovered, the top die 8 is in pressure contact with the side plate 19 and the side die 201 of the sheet metal steel groove, the punch head is lifted, after the approaching displacement sensor is triggered, the prepressing stroke is recovered, and meanwhile, the punching pressure mechanism is integrally moved upwards to the;

when the sheet metal steel groove 19 is punched, after the top die 8 presses the sheet metal steel groove 19, the telescopic rod of the main hydraulic cylinder 5 is continuously controlled to extend, meanwhile, the telescopic rod of the auxiliary hydraulic cylinder 7 is controlled to retract, in the continuous descending process of the lifting plate seat 6, a plurality of connecting rods 11 of a top plate 10 welded at the bottom of the top column 9 are pressed downwards, the connecting rods 11 push the punching slide rods 12, so that the plurality of punching slide rods 12 simultaneously punch holes on two side plates of the sheet metal steel groove 19, and the punching efficiency is improved;

the punched waste material falls into a blanking cavity in the base 1 along a blanking channel 15 and a blanking port 16, is guided by a material guide plate 17 at the bottom of the blanking cavity, and is discharged along a material discharge port 18 close to the bottom end of the material guide plate 17.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.