CN108856430B - Multistation stamping device is used in automobile metal accessory production - Google Patents

Abstract

The invention belongs to the technical field of automobile part production, and particularly relates to a multi-station stamping device for automobile metal part production. The stamping die is reasonable in design, capable of remarkably improving stamping efficiency in unit time, low in production cost, simple in operation and worthy of popularization.

Description

Multistation stamping device is used in automobile metal accessory production

The application is named as: the utility model provides an automobile metal accessory production is with multistation stamping device, application number is: 201710376283.3, application date is: divisional application of patent application of invention on 25/05/2017.

Technical Field

The invention belongs to the technical field of automobile accessory production, and particularly relates to a multi-station stamping device for automobile metal accessory production.

Background

The transition from the major automobile manufacturing countries to the major automobile industries is based on the major component industries. The reform is open, the automobile part industry in China is rapidly developed, the independent innovation consciousness of enterprises is gradually enhanced, and the independent research and development capacity of the industry is gradually improved. However, in the automobile part industry in China, due to the serious shortage of independent innovation capability, core technical products are lacked, and the homogenization competition situation of a plurality of small and medium-sized automobile distribution enterprises at the low end of the industry for years is not fundamentally changed, even the situation is developed from China to abroad.

Many internal and external factors supporting the rapid development of the automobile part industry in China are changing deeply, and the automobile part industry in China faces a new situation that the adjustment of the automobile industry in China and the deep change of the international trade pattern. The problem of weak independent innovation capability of the automobile part industry in China increasingly becomes a bottleneck restriction on the development of the industry and the whole automobile industry. The construction for improving the independent innovation capability of the automobile part industry is accelerated, the urgent need for promoting the optimization and the upgrade of the automobile part industry structure is provided, and the key points for enhancing the core competitiveness of the automobile part industry in China and building the automobile strong country are provided.

With the progress of China into the ranks of automobiles in the large countries, automobile consumer goods gradually enter the lives of people, the automobile holding amount is gradually increased, the automobile scrapping amount is also increased year by year, a large amount of harmful substances are contained in the automobile scrapping process, if the automobile scrapping process does not involve disassembling treatment, the environment and the human health are greatly harmed, and a part of usable old parts of scrapped automobiles after disassembling and recycling can be remanufactured to realize the use value again, thereby creating economic benefits. The development of automobile part remanufacturing industry is gradually paid attention by people, and the development of the automobile part remanufacturing industry has important significance to society, economy, healthy life of people and structural adjustment of automobile industry.

The automobile part remanufacturing industry is a recycling economic mode of resources, products, waste products and remanufactured products, is the most economic repairing means of waste automobiles, and realizes the unification of economic benefits, social benefits, employment benefits and ecological benefits. Developed countries such as the United states have established perfect automobile part remanufacturing development service systems including waste part recovery systems, reverse logistics systems and the like, and researches on development modes, development strategies and the like of Chinese automobile part remanufacturing are lack of a system complete theoretical system.

With the rapid development of socioeconomic and science and technology in China, the part mold processing technology is more and more scientific and advanced, and people are more inclined to the demand direction of multiple functions, centralized performance and convenience in carrying. Therefore, the development trend of the parts is smaller and smaller, and the parts are more and more precise and integrated, i.e. the parts are developed towards the direction of thinness, smallness, lightness and high precision.

Compared with the traditional machining, the stamping process has the advantages of material and energy saving, high efficiency, low technical requirement on operators and capability of producing products which cannot be achieved by machining through various die applications, so that the stamping process is more and more widely applied, and many automobile parts are produced through the stamping technology. Some accessories in the production process have complex shapes due to the realization of unique functions, and cannot be formed by punching in sequence, which puts higher requirements on punching equipment. Therefore, the invention discloses a multi-station stamping device for producing automobile metal fittings, which is necessary to solve the defects.

Disclosure of Invention

The invention aims to provide a multi-station stamping device for producing automobile metal fittings, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a multistation stamping device is used in auto metal parts production, includes the base, the base passes through workstation and first lower mould, second lower mould and third lower mould fixed connection, the workstation right side is equipped with the oil pump, the oil pump passes through main oil pipe and branch pipe fixed connection, the branch pipe respectively with first pneumatic cylinder, second pneumatic cylinder and third pneumatic cylinder fixed connection, cold first pneumatic cylinder lower extreme is equipped with first mould, second pneumatic cylinder lower extreme is equipped with the second and goes up the mould, third pneumatic cylinder lower extreme is equipped with the third and goes up the mould, first pneumatic cylinder, second pneumatic cylinder and third pneumatic cylinder respectively with fuselage fixed connection, the fuselage front end is equipped with the PLC controller, the PLC controller passes through solenoid valve electric connection on electromagnetic control device and the main oil pipe.

Preferably, the lower surface of the base is provided with 4 feet.

Preferably, the number of the branch pipes is 3.

Preferably, the first lower die, the second lower die and the third lower die are connected together through a fixed steel plate.

Preferably, the second lower die is fixed on the slider, the slider passes through draw-in groove and slide rail sliding connection, just the slider passes through drive nut and is connected with the screw drive, the lead screw rotates with the inside bearing of bearing frame to be connected, the side at the fuselage is fixed to the bearing frame, the output shaft fixed connection of lead screw and shaft coupling, the input of shaft coupling and servo motor's output shaft fixed connection, last encoder and the servo driver of being equipped with of servo motor, encoder and PLC controller electric connection, servo driver respectively with servo motor and PLC controller electric connection.

Preferably, the first lower die and the third lower die are connected with the upper surface of the workbench in a sliding mode through guide rods, two ends of each guide rod are fixedly connected with the workbench through screws, and the first lower die, the second lower die and the third lower die are provided with limit baffles on the workbench parallel to the vertical surfaces of the corresponding first upper die, the second upper die and the third upper die.

Preferably, the first upper die, the second upper die and the third upper die, hereinafter collectively referred to as upper dies, are provided with a cooling device in the upper dies, the cooling device comprises a semiconductor refrigerator arranged in the upper dies, the semiconductor refrigerator is connected with a direct current power supply, the semiconductor refrigerator comprises a cold end and a hot end, the hot end and the cold end are isolated by a heat insulation sheet, the cold end is in close contact with the upper dies, the hot end is connected with a plurality of heat pipes, the other ends of the heat pipes, which are connected with the hot end, are connected with an annular fin radiator, and a gas passage for radiating heat, which penetrates through the fin radiator, is arranged above the hot end; the semiconductor refrigerator is characterized in that a blowing device is arranged above the semiconductor refrigerator and comprises a piston cylinder arranged in an upper die, the piston cylinder comprises a cylinder top and a cylinder bottom, a piston body is connected in the piston cylinder in a sealing sliding mode, a spring is connected between the piston body and the cylinder top, an air inlet pipe and an air outlet pipe are arranged on the cylinder bottom, the air inlet pipe is communicated with the atmosphere, an air inlet check valve is arranged on the air inlet pipe, and the air outlet pipe is opposite to the hot end and communicated with the air passing channel and is provided with an air outlet check valve.

By the technical scheme, the first upper die, the second upper die and the third upper die can be quickly and timely cooled, so that the stamping quality which is not influenced by overheating of the upper dies in the stamping process can be guaranteed; the specific implementation process is as follows, refrigeration is carried out through the semiconductor refrigerator, the upper die can be cooled due to the contact of the cold end and the upper die, the hot end needs to be fully radiated for better semiconductor refrigeration, the hot end is conducted through the heat pipe, so that heat is transferred to the fin radiator, and the fin radiator can be sufficiently convected with air due to the reciprocating up-and-down movement of the upper die in the stamping process, so that a good radiating effect is achieved; in order to better radiate heat, a piston cylinder is arranged, the piston cylinder is provided with a piston body, a spring is connected between the piston body and a cylinder top, the piston body reciprocates up and down under the action of inertia and the spring in the stamping process, an air outlet pipe and an air inlet pipe are arranged at the bottom of the cylinder, an air outlet check valve is arranged on the air outlet pipe, and an air inlet check valve is arranged on the air inlet pipe.

The invention has the technical effects and advantages that: the multi-station stamping device for producing the automobile metal fittings is provided with the oil pump, the first hydraulic cylinder, the second hydraulic cylinder and the third hydraulic cylinder which can provide a power source for the work of a punch press, ensure the basic functions, and is provided with the PLC controller, the working states of the first hydraulic cylinder, the second hydraulic cylinder and the third hydraulic cylinder can be controlled by controlling the opening and closing of the electromagnetic valves on the branch pipes, a workpiece is firstly stamped for the first time between the first upper die and the first lower die, then transferred between the second upper die and the second lower die to carry out a stamping procedure for the second time, and finally transferred between the third upper die and the third lower die to carry out the stamping for the last time, and the three groups of dies have different shapes, so that complex automobile parts can be stamped for many times as required, meanwhile, the device can cool the upper die in time, so that the stamping quality which is not influenced by overheating of the upper die in the stamping process is guaranteed; the stamping die is reasonable in design, capable of remarkably improving stamping efficiency in unit time, low in production cost, simple in operation and worthy of popularization.

Drawings

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

Fig. 2 is a schematic structural diagram of a driving mechanism of the first lower die, the second lower die and the third lower die of the present invention.

Fig. 3 is a schematic structural view of the upper die.

Fig. 4 is a schematic view of the internal structure of the upper mold.

In the figure: the device comprises a base 1, an oil pump 2, a workbench 3, a first lower die 4, a second lower die 5, a third lower die 6, a main oil pipe 7, a machine body 8, a branch pipe 9, a PLC 10, a first hydraulic cylinder 11, a second hydraulic cylinder 12, a third hydraulic cylinder 13, a first upper die 14, a second upper die 15, a third upper die 16, a bearing seat 17, a lead screw 18, a coupler 19, a servo motor 20, a slide rail 21, a slide block 22, an encoder 23, a servo driver 24, a fixed steel plate 25, a guide rod 26, a cold end 27, a hot end 28, a heat insulation sheet 29, a heat pipe 30, a fin radiator 31, a gas passing channel 32, a piston cylinder 33, a cylinder top 34, a cylinder bottom 35, a piston body 36, a spring 37, a gas inlet pipe 38, a gas inlet check valve 39, a.

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 a multi-station stamping device for producing automobile metal fittings, which comprises a base 1, wherein the base 1 is fixedly connected with a first lower die 4, a second lower die 5 and a third lower die 6 through a workbench 3, an oil pump 2 is arranged on the right side of the workbench 3, the oil pump 2 is fixedly connected with a branch pipe 9 through a main oil pipe 7, the branch pipe 9 is respectively fixedly connected with a first hydraulic cylinder 11, a second hydraulic cylinder 12 and a third hydraulic cylinder 13, a first upper die 14 is arranged at the lower end of the first hydraulic cylinder 11, a second upper die 15 is arranged at the lower end of the second hydraulic cylinder 12, a third upper die 16 is arranged at the lower end of the third hydraulic cylinder 13, the first hydraulic cylinder 11, the second hydraulic cylinder 12 and the third hydraulic cylinder 13 are respectively fixedly connected with a machine body 8, a PLC (programmable logic controller) 10 is arranged at the front end of the machine body 8, and 4 bottom feet are arranged at the lower side of the base, the PLC 10 is electrically connected with the electromagnetic valve on the main oil pipe 7 through an electromagnetic control device.

Further, the first lower die 4, the second lower die 5 and the third lower die 6 are connected together through a fixed steel plate 25, the second lower die 5 is fixed on a sliding block 22, the sliding block 22 is slidably connected with a sliding rail 21 through a clamping groove, the sliding block 22 is in transmission connection with a screw rod 18 through a transmission nut, the screw rod 18 is in rotational connection with a bearing inside a bearing seat 17, the bearing seat 17 is fixed on the side surface of the machine body 8, the screw rod 18 is fixedly connected with an output shaft of a coupling 19, an input end of the coupling 19 is fixedly connected with an output shaft of a servo motor 20, the servo motor 20 is provided with an encoder 23 and a servo driver 24, the encoder 23 is electrically connected with the PLC controller 10, the servo driver 24 is respectively electrically connected with the servo motor 20 and the PLC controller 10, the first lower die 4 and the third lower die 6 are slidably connected with the upper surface of the workbench 3 through a guide rod 26, and both ends of the guide rod 26 are fixedly connected with the workbench 3 through screws, and the first lower die 4, the second lower die 5 and the third lower die 6 are provided with limit baffles on the workbench 3 parallel to the vertical surfaces of the corresponding first upper die 14, the second upper die 15 and the third upper die 16. Due to the characteristics of the servo control device, the working efficiency is improved and the precision of the punch press is ensured by adopting the servo control device; meanwhile, the screw rod drives the sliding block to move left and right, so that the first lower die 4, the second lower die 5 and the third lower die 6 are driven to move simultaneously, the first lower die 4, the second lower die 5 and the third lower die 6 are not arranged under the first upper die 14, the second upper die 15 and the third upper die 16 when the first lower die 4, the second lower die 5 and the third lower die 6 do not work, and the safety operability is greatly improved.

The first upper die 14, the second upper die 15 and the third upper die 16 are referred to as upper dies hereinafter, a cooling device is arranged in the upper dies and comprises a semiconductor refrigerator arranged in the upper dies, the semiconductor refrigerator is connected with a direct-current power supply and comprises a cold end 27 and a hot end 28, the hot end 28 and the cold end 27 are isolated by a heat insulation sheet 29, the cold end is in close contact with the upper dies, the hot end is connected with a plurality of heat pipes 30, the other ends of the heat pipes 30, which are connected with the hot end 28, are connected with an annular fin radiator 31, and a gas passing channel 32 for radiating and penetrating through the fin radiator is arranged above the hot end; the upper part of the semiconductor refrigerator is provided with a blowing device, the blowing device comprises a piston cylinder 33 arranged in an upper die, the piston cylinder 33 comprises a cylinder top 34 and a cylinder bottom 35, a piston body 36 is connected in the piston cylinder 33 in a sealing sliding mode, a spring 37 is connected between the piston body 36 and the cylinder top 34, the cylinder bottom 35 is provided with an air inlet pipe 38 and an air outlet pipe 40, the air inlet pipe 38 is communicated with the atmosphere, the air inlet pipe 38 is provided with an air inlet check valve 39, the air outlet pipe 40 is communicated with the air passing channel 32 just opposite to the hot end 28, and the air outlet pipe.

By the technical scheme, the first upper die 14, the second upper die 15 and the third upper die 16 can be rapidly and timely cooled, so that the stamping quality which is not influenced by overheating of the upper dies in the stamping process can be guaranteed; the specific implementation process is as follows, the semiconductor refrigerator is used for refrigerating, the upper die can be cooled due to the contact of the cold end 27 and the upper die, the hot end 28 needs to be fully radiated for better semiconductor refrigeration, the hot end is conducted through the heat pipe 30, so that heat is transferred to the fin radiator 31, and the fin radiator 31 can be fully convected with air due to the reciprocating up-and-down movement of the upper die in the stamping process, so that a good radiating effect is achieved; in order to better dissipate heat, a piston cylinder 33 is arranged, the piston cylinder 33 is provided with a piston body 36, a spring 37 is connected between the piston body 36 and a cylinder top 34, the piston body 36 reciprocates up and down due to inertia and the action of the spring 37 in the stamping process, an air outlet pipe 40 and an air inlet pipe 41 are arranged at a cylinder bottom 35, an air outlet check valve 41 is arranged on the air outlet pipe 40, and an air inlet check valve 39 is arranged on the air inlet pipe 38, so that external air with lower temperature is continuously sucked in through the air inlet pipe 38 in the reciprocating process of the piston body 36 and is exhausted into the hot end 28 through the air outlet pipe 40, and heat of the hot end 28 is exhausted from the air passing channel 32 through air flow.

The working principle is as follows: during operation, set up oil pump 2 and first pneumatic cylinder 11, second pneumatic cylinder 12 and third pneumatic cylinder 13 can provide the power source for the work of punch press, guarantee basic function, set up PLC controller 10, the operating condition of first pneumatic cylinder 11, second pneumatic cylinder 12 and third pneumatic cylinder 13 can be controlled through the switching of the solenoid valve on the control branch pipe 9, the work piece carries out first punching press at first between first last mould 14 and first lower mould 4, later shift to go up and carry out the punching press process for the second time between mould 15 and the second lower mould 5 on the second, shift to last and carry out last punching press between third last mould 16 and third lower mould 6, three group's mould shapes are different, consequently, can be as required many times the complicated auto-parts of punching press, and reasonable in design, can show the punching press efficiency who improves the unit interval, and reduce production cost, easy operation is worth promoting.

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.

Claims (1)

1. The utility model provides an auto metal parts production is with multistation stamping device, includes base (1), its characterized in that: the base (1) is connected with a first lower die (4), a second lower die (5) and a third lower die (6) through a workbench (3), the right side of the workbench (3) is provided with an oil pump (2), the oil pump (2) is fixedly connected with a branch pipe (9) through a main oil pipe (7), the branch pipe (9) is respectively and fixedly connected with a first hydraulic cylinder (11), a second hydraulic cylinder (12) and a third hydraulic cylinder (13), a first upper die (14) is arranged at the lower end of the first hydraulic cylinder (11), a second upper die (15) is arranged at the lower end of the second hydraulic cylinder (12), a third upper die (16) is arranged at the lower end of the third hydraulic cylinder (13), the first hydraulic cylinder (11), the second hydraulic cylinder (12) and the third hydraulic cylinder (13) are respectively and fixedly connected with the machine body (8), the front end of the machine body (8) is provided with a PLC (programmable logic controller) (10), and the PLC (10) is electrically connected with an electromagnetic valve on the main oil pipe (7) through an electromagnetic control device; the first upper die (14), the second upper die (15) and the third upper die (16) are collectively referred to as upper dies, a cooling device is arranged in the upper dies, the cooling device comprises a semiconductor refrigerator arranged in the upper dies, the semiconductor refrigerator is connected with a direct-current power supply, the semiconductor refrigerator comprises a cold end (27) and a hot end (28), the hot end (28) and the cold end (27) are isolated through a heat insulation sheet (29), the cold end is tightly contacted with the upper dies, the hot end is connected with a plurality of heat pipes (30), the other ends of the heat pipes (30) which are connected with the hot end (28) are connected with an annular fin radiator (31), and a gas passing channel (32) which is used for heat dissipation and penetrates through the fin radiator is arranged above the hot end; a blowing device is arranged above the semiconductor refrigerator and comprises a piston cylinder (33) arranged in an upper die, the piston cylinder (33) comprises a cylinder top (34) and a cylinder bottom (35), a piston body (36) is connected in the piston cylinder (33) in a sealing and sliding mode, a spring (37) is connected between the piston body (36) and the cylinder top (34), an air inlet pipe (38) and an air outlet pipe (40) are arranged on the cylinder bottom (35), the air inlet pipe (38) is communicated with the atmosphere, an air inlet check valve (39) is arranged on the air inlet pipe (38), the air outlet pipe (40) is just opposite to the hot end (28) and is communicated with the air passing channel (32), and an air outlet check valve (41) is arranged on the air outlet pipe (40); the first lower die (4), the second lower die (5) and the third lower die (6) are connected together through a fixed steel plate (25); second lower mould (5) are fixed on slider (22), slider (22) are through draw-in groove and slide rail (21) sliding connection, just slider (22) are connected through transmission nut and lead screw (18) transmission, lead screw (18) are connected with the inside bearing rotation of bearing frame (17), the side at fuselage (8) is fixed in bearing frame (17), the output shaft fixed connection of lead screw (18) and shaft coupling (19), the input of shaft coupling (19) and the output shaft fixed connection of servo motor (20), be equipped with encoder (23) and servo driver (24) on servo motor (20), encoder (23) and PLC controller (10) electric connection, servo driver (24) respectively with servo motor (20) and PLC controller (10) electric connection.