CN113020435A

CN113020435A - Stamping die

Info

Publication number: CN113020435A
Application number: CN202110231000.2A
Authority: CN
Inventors: 许钟斌; 王明凯; 万振超; 李值军
Original assignee: Ruichang People Stamping Co ltd
Current assignee: Ruichang People Stamping Co ltd
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2021-06-25

Abstract

The invention discloses a stamping die which comprises an underframe, wherein a support plate is arranged on the underframe, a lower die is arranged on the support plate, a rack is arranged on the support plate, a hydraulic pump and a hydraulic oil tank are arranged at the upper end of the rack, the hydraulic pump penetrates through the rack and is vertically provided with a hydraulic telescopic rod, a connecting block is arranged at the telescopic end of the hydraulic telescopic rod, a movable block is arranged on the lower surface of the connecting block, an upper die corresponding to the lower die is arranged on the lower surface of the movable block, a positioning column penetrates through the corner of the movable block and extends into the support plate, the movable block is in sliding connection with the positioning column, a telescopic spring is arranged on the positioning column, a discharge hole is formed in one side of the support plate, an air pump is arranged on one side of the support plate, a connecting pipe. The invention has simple structure, simple operation and easy popularization.

Description

Stamping die

Technical Field

The invention relates to the field of stamping devices, in particular to a stamping die.

Background

The stamping die is a special process equipment for processing materials (metal or nonmetal) into parts (or semi-finished products) in the stamping process, and is called as a cold stamping die. Stamping is a press working method in which a die mounted on a press is used to apply pressure to a material at room temperature to cause separation or plastic deformation of the material, thereby obtaining a desired part.

But stamping die among the prior art structure is complicated, difficult maintenance, and the waste material that stamping process produced can't in time be cleared up in addition, not only causes the wasting of resources, has increased the clearance degree of difficulty moreover, and goes up the quick detachable maintenance of mould, and, stamping die preheats stamping die earlier before using at best, otherwise stamping die and the product of treating processing the difference in temperature is big, can lead to the increase of product ectonexine temperature gradient, form thermal stress, make product surface chap, the fracture even.

Disclosure of Invention

In order to solve the technical problems, the invention provides the following technical scheme:

the invention provides a stamping die which is provided with a stamping die,

the hydraulic telescopic device comprises a chassis, a support plate is arranged on the chassis, a lower die is arranged on the support plate, a rack is arranged on the support plate, a hydraulic pump and a hydraulic oil tank are arranged at the upper end of the rack, the hydraulic pump penetrates through the rack and is vertically provided with a hydraulic telescopic rod, a hydraulic input end of the hydraulic pump is connected with an output end of the hydraulic oil tank through a guide pipe, a hydraulic oil output end of the hydraulic pump is connected with an input end of the hydraulic telescopic rod through a guide pipe, a connecting block is arranged at a telescopic end of the hydraulic telescopic rod, a square groove is formed at the upper end of the connecting block, the lower end of the hydraulic telescopic rod is inserted into the square groove, two opposite inner side walls of the square groove are respectively provided with a limiting groove, a,

the lower surface of the connecting block is provided with a movable block, the lower surface of the movable block is provided with an upper die corresponding to the lower die,

the surfaces of the upper die and the lower die are respectively provided with a groove, the upper end of each groove is hinged with a cover plate, each groove is internally provided with a preheating mechanism, each preheating mechanism comprises a bottom plate and a heating plate, the bottom plates are detachably arranged on the left inner side wall and the right inner side wall of each groove, the heating plates are provided with a plurality of heating plates which are distributed on the bottom plates in a rectangular shape, a cavity is formed between each heating plate and the corresponding bottom plate, the surface of each bottom plate is provided with a plurality of mounting seats, heating tubes are arranged on the mounting seats, the heating tubes are positioned in the cavities, through holes are arranged on the side walls of the heating plates in a penetrating manner, a baffle plate is arranged between every two adjacent heating tubes, one end of each baffle plate is connected with the corresponding bottom plate, and the,

the utility model discloses a flexible assembly, including extension board, movable block, extension board and support column sliding connection, be provided with expanding spring on the reference column, expanding spring one end fixed connection is at the movable block lower surface, and expanding spring's other end fixed connection is on the extension board, extension board one side is provided with the discharge gate, extension board one side is provided with the air pump, the air pump pass through the mount pad with extension board fixed connection, the gas outlet of air pump is equipped with the connecting pipe, a side surface of extension board is provided with U type fixture block, and the upper surface of U type fixture block is provided with the gooseneck, the gooseneck.

Preferably, stop gear includes the stopper of the L type that two symmetries set up, two the level end of stopper runs through the cavity respectively and extends to the inside of two spacing grooves, two the common fixedly connected with compression spring of the vertical looks lateral wall that is close to of stopper, the operation groove that is linked together with the cavity is all seted up to two relative lateral walls of connecting block.

Preferably, for operating personnel extrudes the stopper, the stopper all is provided with the inoxidizing coating by the both ends in operation groove, the inoxidizing coating adopts the rubber material.

Preferably, a PLC system is arranged on one side of the rack, the input end of the PLC system is electrically connected with the output end of an external power supply, and the output end of the PLC system is electrically connected with the input ends of the air pump and the hydraulic pump.

Preferably, the number of the positioning columns is four, the lower surface of the U-shaped fixture block is provided with a stud with a head, and one end of the stud with the head penetrates through the U-shaped fixture block to be in contact with the lower surface of the support plate.

Preferably, the support plate is further provided with a mounting frame, the mounting frame is provided with a bulb, the bulb is connected with the mounting frame through a pipeline, the bulb is electrically connected with an external power supply through a wire, and the bulb faces the lower die.

Preferably, the pipeline is the hose material, mounting bracket one side is provided with the bulb switch, the bulb switch is connected with the bulb electricity.

Preferably, in order to improve the heat dissipation performance of the air pump and the hydraulic pump, heat dissipation layers are arranged on the surfaces of the air pump and the hydraulic pump, and the heat dissipation layers are heat conduction polyester coating layers.

The invention has the beneficial effects

(1) The invention realizes the starting of the device by connecting the PLC system with an external power supply, places materials between an upper die and a lower die, enables a hydraulic telescopic rod to stretch by the working of a hydraulic pump, the hydraulic telescopic rod drives a movable block to stretch up and down on a positioning column, a spring can increase the buffering force, the lower die is contacted with the upper die so as to punch the materials to produce required materials, the hydraulic pump drives the hydraulic telescopic rod and the upper die to reset synchronously, the required materials are taken out, the pipe orifice of a gooseneck pipe is aligned between the lower die and the upper die, the PLC system turns on the switch of an air pump, the air pump provides wind power to blow scraps to a discharge port through the gooseneck pipe through a connecting pipe, when the lighting is bad, the bulbs can be turned to various angles by turning on the bulb switch, lighting is diversified, the working condition can be observed in real time, avoid reworking and save cost.

(2) When the upper die needs to be replaced or maintained, the limiting mechanism is arranged, an operator manually penetrates fingers through the two operating grooves to enable the two limiting blocks to move close to each other, and when the horizontal ends of the limiting blocks are separated from the limiting grooves, the hydraulic telescopic rod can be easily separated from the movable block, so that the purpose of replacing or maintaining the upper die is achieved.

(3) According to the invention, through the design of the heating plate and the heating tube, the heating plate has the function of preheating the upper die and the lower die, the phenomenon that the temperature difference between the upper die and the lower die and a product to be processed is large, so that the temperature gradient of the inner layer and the outer layer of the product is increased, thermal stress is formed, the surface of the product is cracked or even cracked, the safety and the quality of the product to be processed are effectively improved, the processing production time is shortened, the production efficiency is improved, and the bottom plate is detachably arranged in the groove, so that the bottom plate can be conveniently dismounted in the groove, and the heating tube can be conveniently overhauled or replaced.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic structural view of the limiting mechanism of the present invention.

Fig. 3 is a working principle diagram of the present invention.

Fig. 4 is a sectional view of the upper mold structure of the present invention.

Description of reference numerals: 1. a chassis; 2. a support plate; 3. a frame; 4. a lower die; 5. a hydraulic pump; 6. a hydraulic oil tank; 7. a hydraulic telescopic rod; 8. connecting blocks; 9. a cavity; 10. a limiting block; 11. a compression spring; 12. a movable block; 13. a positioning column; 14. an upper die; 15. an air pump; 16. a U-shaped fixture block; 17. a gooseneck; 18. a stud with a head; 19. a bulb; 20. a mounting frame; 21. the heat pipe comprises a pipe, 22-grooves, 23-cover plates, 24-bottom plates, 25-heating plates, 26-cavities, 27-mounting seats, 28-heating pipes and 29-partition plates.

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.

Example 1

As shown in fig. 1 to 4, the present invention provides a press mold,

the device comprises an underframe 1, wherein a support plate 2 is arranged on the underframe 1, a lower die 4 is arranged on the support plate 2, a frame 3 is arranged on the support plate 2, a hydraulic pump 5 and a hydraulic oil tank 6 are arranged at the upper end of the frame 3, a hydraulic telescopic rod 7 is vertically arranged by the hydraulic pump 5 penetrating through the frame 3, the hydraulic input end of the hydraulic pump 5 is connected with the output end of the hydraulic oil tank 6 through a guide pipe, the hydraulic oil output end of the hydraulic pump 5 is connected with the input end of the hydraulic telescopic rod 7 through a guide pipe, a connecting block 8 is arranged at the telescopic end of the hydraulic telescopic rod 7, a square groove is arranged at the upper end of the connecting block 8, the lower end of the hydraulic telescopic rod 7 is inserted in the square groove, two opposite inner side walls of the square groove are respectively provided with a limiting groove, a cavity 9 is arranged in the, the limiting mechanism comprises two L-shaped limiting blocks 10 which are symmetrically arranged, the horizontal ends of the two limiting blocks 10 respectively penetrate through the cavity 9 and extend to the inner parts of the two limiting grooves, the side walls which are close to the vertical ends of the two limiting blocks 10 are fixedly connected with a compression spring 11 together, two opposite outer side walls of the connecting block 8 are respectively provided with an operating groove communicated with the cavity 9,

the lower surface of the connecting block 8 is provided with a movable block 12, the lower surface of the movable block 12 is provided with an upper die 14 corresponding to the lower die 4,

the surfaces of the upper die 14 and the lower die 4 are both provided with a groove 22, the upper end of the groove 22 is hinged with a cover plate 23, the groove 22 is internally provided with a preheating mechanism, the preheating mechanism comprises a bottom plate 24 and a heating plate 25, the bottom plate 24 is detachably arranged on the left inner side wall and the right inner side wall of the groove 22, the heating plate 25 is provided with a plurality of blocks, the heating plate 25 is distributed on the bottom plate 24 in a rectangular shape, a cavity 26 is formed between the heating plate 25 and the bottom plate 24, the surface of the bottom plate 24 is provided with a plurality of mounting seats 27, the mounting seats 27 are provided with heating tubes 28, the heating tubes 28 are positioned in the cavity 26, the side walls of the heating plate 25 are provided with through holes in a penetrating manner, the through holes are convenient for heat transfer, so as to preheat the upper die 14 and the lower die 4, and baffle plates 29 are arranged, the baffle plate 29 can prevent the burning of the adjacent heating tubes 28 and play a role of slowing down heat, one end of the baffle plate 29 is connected with the bottom plate 24, the other end of the baffle plate 29 is connected with the heating plate 25, the heating plate 25 and the heating tubes 28 are designed to have a function of preheating the upper die 14 and the lower die 4, the phenomenon that the temperature difference between the upper die 14 and the lower die 4 and a product to be processed is large, so that the temperature gradient of the inner layer and the outer layer of the product is increased, thermal stress is formed, the surface of the product is cracked or even cracked, the safety and the quality of the product to be processed are effectively improved, the processing production time is shortened, the production efficiency is improved, the bottom plate 24 is detachably arranged in the groove 22, the bottom plate 24 can be conveniently dismounted in the groove 22, and the heating tubes 28 can be conveniently overhauled or,

a positioning column 13 penetrates through the corner of the movable block 12, the positioning column 13 extends into the support plate 2, the movable block 12 is connected with the positioning column 13 in a sliding manner, a telescopic spring is arranged on the positioning column 13, one end of the telescopic spring is fixedly connected to the lower surface of the movable block 12, the other end of the telescopic spring is fixedly connected to the support plate 2, a discharge hole is formed in one side of the support plate 2, an air pump 15 is arranged on one side of the support plate 2, the air pump 15 is fixedly connected with the support plate 2 through a mounting seat, a connecting pipe is arranged at the air outlet of the air pump 15, a U-shaped clamping block 16 is arranged on the surface of one side of the support plate 2, a gooseneck 17 is arranged on the upper surface of the U-shaped clamping block 16, the gooseneck 17 is connected with the,

the starting of the device is realized by connecting an external power supply through a PLC system, a material is placed between an upper die 14 and a lower die 4, the hydraulic telescopic rod 7 is made to stretch through the work of a hydraulic pump 5, the hydraulic telescopic rod 7 drives a movable block 12 to move up and down in a telescopic manner on a positioning column 13, a spring can increase the buffering force, the lower die 4 is in contact with the upper die 14, so that the material is punched to produce a required material, the hydraulic pump 5 drives the hydraulic telescopic rod 7 and the upper die 14 to synchronously reset, the required material is taken out, the pipe orifice of a gooseneck 17 is aligned between the lower die 4 and the upper die 14, the PLC system turns on a switch of an air pump 15, the air pump 15 provides wind power to blow waste scraps to a discharge port through the gooseneck 17 through a connecting pipe, and under the condition of poor illumination, the bulb 19 can be rotated to various angles by, defective products can be cleaned conveniently in time, rework is avoided, and cost is saved;

when the upper die 14 needs to be replaced or maintained, the operator manually penetrates the fingers through the two operation grooves by arranging the limiting mechanism, so that the two limiting blocks 10 move close to each other, and when the horizontal ends of the limiting blocks 10 are separated from the limiting grooves, the hydraulic telescopic rod 7 can be easily separated from the movable block 12, so that the purpose of replacing or maintaining the upper die 14 is achieved;

in order to facilitate an operator to extrude the limiting block 10, two ends of the limiting block 10 close to the operation groove are provided with protective layers, the protective layers are made of rubber, the two ends of the limiting block 10 are provided with the protective layers, the situation that the operator easily pricks when fingers extrude the limiting block 10 is avoided, and the physical and mental health of the operator is effectively improved;

a PLC system is arranged on one side of the rack 3, the input end of the PLC system is electrically connected with the output end of an external power supply, and the output end of the PLC system is electrically connected with the input ends of the air pump 15 and the hydraulic pump 5;

four positioning columns 13 are arranged, a stud 18 with a head is arranged on the lower surface of the U-shaped fixture block 16, one end of the stud 18 with a head penetrates through the U-shaped fixture block 16 to be in contact with the lower surface of the support plate 2, and the stud 18 with a head plays a role in fixing the gooseneck 17 and the support plate 2, so that the gooseneck 17 is prevented from loosening during working;

the support plate 2 is further provided with a mounting frame 20, a bulb 19 is arranged on the mounting frame 20, the bulb is connected with the mounting frame 20 through a pipeline 21, the bulb 19 is electrically connected with an external power supply through a wire, the bulb 19 is arranged towards the lower die 4, the pipeline 21 is made of a hose material, a bulb switch is arranged on one side of the mounting frame 20 and is electrically connected with the bulb 19, and due to the arrangement of the bulb 19, an operator can conveniently observe the bulb under the condition of poor illumination, the working condition can be observed in real time, the poor products can be conveniently and timely cleaned, rework is avoided, and the cost is saved; by arranging the mounting frame 20 and the pipeline 21 made of the hose material, the bulb 19 can be rotated to various angles conveniently during work, multi-directional illumination is realized, and the flexibility is improved; the bulb 19 is convenient to open and close by arranging the bulb switch, and the operation is convenient.

Example 2

As shown in fig. 1 to 4, this embodiment is further optimized based on embodiment 1, specifically, in order to improve the heat dissipation performance of the air pump 15 and the hydraulic pump 5, heat dissipation layers are disposed on the surfaces of the air pump 15 and the hydraulic pump 5, and the heat dissipation layers are made of heat conductive polyester paint.

This embodiment is through setting up the heat dissipation layer on air pump 15, hydraulic pump 5 surface, and the heat dissipation layer can play the radiating effect of air pump 15, hydraulic pump 5, at air pump 15, hydraulic pump 5 during operation, can play supplementary radiating function, avoids air pump 15, hydraulic pump 5 overheat phenomenon to appear, has reduced air pump 15, hydraulic pump 5's fault rate, has improved the security performance of air pump 15, hydraulic pump 5 when using simultaneously.

Principle of operation

The invention relates to a stamping die, all parts are distributed as shown in figures 1-4, when in use, a PLC system is connected with an external power supply to realize the starting of the device, materials are placed between an upper die 14 and a lower die 4, a hydraulic telescopic rod 7 is made to stretch through the work of a hydraulic pump 5, the hydraulic telescopic rod 7 drives a movable block 12 to move up and down in a telescopic way on a positioning column 13, a spring can increase the buffer force, the lower die 4 is in contact with the upper die 14, so that the materials are stamped to produce the required materials, the hydraulic pump 5 drives the hydraulic telescopic rod 7 and the upper die 14 to synchronously reset, the required materials are taken out, the pipe orifice of a gooseneck pipe 17 is aligned between the lower die 4 and the upper die 14, the PLC system turns on a switch of an air pump 15, the air pump 15 provides wind power to blow waste scraps to a discharge port through the gooseneck pipe 17 through a connecting, the bulb 19 is rotated to various angles, multi-azimuth illumination is carried out, the working condition is observed in real time, the defective products are convenient to clean in time, rework is avoided, and the cost is saved;

when the upper die 14 needs to be replaced or maintained, the operator manually penetrates the fingers through the two operation grooves and enables the two limit blocks 10 to move close to each other by arranging the limit mechanism, and when the horizontal ends of the limit blocks 10 are separated from the limit grooves, the hydraulic telescopic rod 7 can be easily separated from the movable block 12, so that the purpose of replacing or maintaining the upper die 14 is achieved.

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. A stamping die is characterized in that a stamping die body is provided with a stamping die body,

comprises an underframe (1), a support plate (2) is arranged on the underframe (1), a lower die (4) is arranged on the support plate (2), a frame (3) is arranged on the support plate (2), a hydraulic pump (5) and a hydraulic oil tank (6) are arranged at the upper end of the frame (3), a hydraulic telescopic rod (7) is vertically arranged on the hydraulic pump (5) through the frame (3), the hydraulic input end of the hydraulic pump (5) is connected with the output end of the hydraulic oil tank (6) through a guide pipe, the hydraulic oil output end of the hydraulic pump (5) is connected with the input end of the hydraulic telescopic rod (7) through a guide pipe, a connecting block (8) is arranged at the telescopic end of the hydraulic telescopic rod (7), a square groove is arranged at the upper end of the connecting block (8), the lower end of the hydraulic telescopic rod (7) is inserted into the square groove, and, a cavity (9) is arranged in the lower end of the hydraulic telescopic rod (7), a limiting mechanism corresponding to the limiting groove is arranged in the cavity (9),

the lower surface of the connecting block (8) is provided with a movable block (12), the lower surface of the movable block (12) is provided with an upper die (14) corresponding to the lower die (4),

the surface of the upper die (14) and the surface of the lower die (4) are both provided with a groove (22), the upper end of the groove (22) is hinged with a cover plate (23), the groove (22) is internally provided with a preheating mechanism, the preheating mechanism comprises a bottom plate (24) and a heating plate (25), the bottom plate (24) is detachably arranged on the left inner side wall and the right inner side wall of the groove (22), the heating plate (25) is provided with a plurality of blocks, the heating plate (25) is distributed on the bottom plate (24) in a rectangular shape, a cavity (26) is formed between the heating plate (25) and the bottom plate (24), the surface of the bottom plate (24) is provided with a plurality of mounting seats (27), the mounting seats (27) are provided with heating pipes (28), the heating pipes (28) are positioned in the cavity (26), and the side walls of the heating plate (25) are provided with, a baffle plate (29) is arranged between every two adjacent heating tubes (28), one end of the baffle plate (29) is connected with the bottom plate (24), the other end of the baffle plate (29) is connected with the heating plate (25),

the corner of the movable block (12) is provided with a positioning column (13) in a penetrating manner, the positioning column (13) extends into the support plate (2), the movable block (12) is connected with the positioning column (13) in a sliding manner, an expansion spring is arranged on the positioning column (13), one end of the expansion spring is fixedly connected to the lower surface of the movable block (12), the other end of the expansion spring is fixedly connected to the support plate (2), a discharge hole is formed in one side of the support plate (2), an air pump (15) is arranged on one side of the support plate (2), the air pump (15) is fixedly connected with the support plate (2) through a mounting seat, a connecting pipe is arranged at an air outlet of the air pump (15), a U-shaped fixture block (16) is arranged on the surface of one side of the support plate (2), a gooseneck pipe (17) is arranged on the upper surface of the U-shaped fixture block, and the air outlet of the gooseneck (17) faces the lower die (4).

2. A stamping die according to claim 1,

stop gear includes stopper (10) of the L type that two symmetries set up, two the level end of stopper (10) runs through cavity (9) respectively and extends to the inside of two spacing grooves, two the common fixedly connected with compression spring (11) of lateral wall that stopper (10) vertical end is close to mutually, the operation groove that is linked together with cavity (9) is all seted up to two relative lateral walls of connecting block (8).

3. A stamping die according to claim 2,

for operating personnel extrudes stopper (10) for being convenient for, stopper (10) all are provided with the inoxidizing coating by the both ends in operation groove, the inoxidizing coating adopts the rubber material.

4. A stamping die according to claim 1,

the air pump is characterized in that a PLC system is arranged on one side of the rack (3), the input end of the PLC system is electrically connected with the output end of an external power supply, and the output end of the PLC system is electrically connected with the input ends of the air pump (15) and the hydraulic pump (5).

5. A stamping die according to claim 1,

the number of the positioning columns (13) is four, the lower surface of the U-shaped clamping block (16) is provided with a stud with a head, and one end of the stud with the head penetrates through the U-shaped clamping block (16) to be in contact with the lower surface of the support plate (2).

6. A stamping die according to claim 1,

still be provided with mounting bracket (20) on extension board (2), be provided with bulb (19) on mounting bracket (20), bulb (19) are connected with mounting bracket (20) through pipeline (21), bulb (19) are connected with external power supply electricity through the wire, bulb (19) set up towards lower mould (4).

7. A stamping die according to claim 6,

pipeline (21) are the hose material, mounting bracket (20) one side is provided with the bulb switch, the bulb switch is connected with bulb (19) electricity.

8. A stamping die according to claim 1,

in order to improve the heat dissipation performance of the air pump (15) and the hydraulic pump (5), heat dissipation layers are arranged on the surfaces of the air pump (15) and the hydraulic pump (5), and the heat dissipation layers are made of heat conduction polyester coating layers.