CN213856676U

CN213856676U - Stamping type needle head processing die

Info

Publication number: CN213856676U
Application number: CN202022898044.4U
Authority: CN
Inventors: 李纳新
Original assignee: Wuxi Linkai Precision Industry Co ltd
Current assignee: Wuxi Linkai Precision Industry Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-08-03
Anticipated expiration: 2030-12-04

Abstract

The utility model discloses a punching press formula mould for syringe needle processing belongs to stamping die technical field, and it includes the base, four support frames of the last fixed surface of base are connected with, and the top of four support frames is provided with same stamping equipment, the upper surface of base and the lower fixed surface of installation shell are connected, the last fixed surface of installation shell is connected with the bed die, the upper surface of bed die and the upper surface overlap joint of last mould inner wall, the upper surface of going up the mould is connected with stamping equipment's lower fixed surface. This mould is used in processing of punching press formula syringe needle is through setting up air pump, ventilation hole, sealed cowling and closing plate for this mould can separate work piece and bed die through the air pump after finishing the work piece punching press, thereby has ensured that the work piece that finishes is difficult for appearing the condition of adhesion with the bed die, and when carrying out the drawing of patterns to the work piece, has reduced because of taking out the work piece by force and lead to the condition that the work piece appears damaging.

Description

Stamping type needle head processing die

Technical Field

The utility model belongs to the technical field of stamping die, specifically be a mould is used in processing of punching press formula syringe needle.

Background

The stamping die is a special technological equipment for processing metal or nonmetal into parts or semi-finished products in cold stamping, and is called cold stamping die commonly called cold stamping die. The stamping is a pressure processing method for applying pressure to a material by utilizing a die arranged on a press machine at room temperature to enable the material to generate separation or plastic deformation so as to obtain a required part, when most stamping equipment is used at present, the upper die and the lower die are subjected to metal heating due to friction between metals after the upper die and the lower die extrude a workpiece, after the workpiece is taken out by a worker, the worker is easily scalded due to overhigh metal temperature, after the stamping is finished, the workpiece is adhered to the surface of the lower die due to deformation during the stamping, and the workpiece is forcibly taken out, so that the workpiece is easily damaged.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome prior art's above-mentioned defect, the utility model provides a punching press formula mould for syringe needle processing, most stamping equipment when using at present has been solved, because last mould and bed die are behind the extrusion work piece, because the friction between the metal, the condition that the metal is generated heat probably appears in mould and bed die, after the staff takes out the work piece, easily lead to scalding the staff's the condition because of the metal high temperature, and after the punching press finishes, the work piece is because the deformation during punching press and the adhesion on the surface of bed die, take out the work piece by force then lead to the work piece easily the problem that the damage appears.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a punching press formula mould for syringe needle processing, includes the base, four support frames of last fixed surface of base are connected with, and the top of four support frames is provided with same stamping equipment, the upper surface of base and the lower fixed surface of installation shell are connected, the last fixed surface of installation shell is connected with the bed die, the upper surface of bed die and the upper surface overlap joint of last mould inner wall, the upper surface of going up the mould and stamping equipment's lower fixed surface are connected, a plurality of through-hole has been seted up to the upper surface of bed die, the lower surface of bed die inner wall and the lower surface overlap joint of closing plate, the closing plate is located the bed die, the lower surface of closing plate and the top fixed connection of extrusion stem, extrusion stem sliding connection is in the sliding sleeve.

As a further aspect of the present invention: the lower fixed surface of sliding sleeve inner wall is connected with the spring, the top of spring and the bottom fixed connection of extrusion pole, the lower surface of sliding sleeve and the last fixed surface of installation shell are connected, the lower surface of sliding sleeve communicates with the inlet end of air pump top.

As a further aspect of the present invention: the lower surface of air pump and the lower fixed surface of installation shell inner wall are connected, the gas vent of air pump left and right sides is linked together with the one end of two blast pipes opposite face respectively, and the other end of two blast pipes is linked together with the lower surface of two sealed cowlings respectively.

As a further aspect of the present invention: the upper surface of the sealing cover is fixedly connected with the upper surface of the inner wall of the mounting shell, and the upper surface of the sealing cover is communicated with the lower die through the mounting shell.

As a further aspect of the present invention: two ventilation holes are formed in the front face and the back face of the inner wall of the mounting shell, filter screens are arranged in the four ventilation holes, an air outlet in the front face of the air pump is communicated with the back face of the sealing barrel, and the back face of the sealing barrel is fixedly connected with the front face of the mounting shell.

As a further aspect of the present invention: sliding connection has the connecting cylinder in the sealed section of thick bamboo, the top of connecting cylinder is linked together with the front of connecting pipe, the connecting pipe sets up to the annular, the surface of connecting pipe passes through the fastening block and is connected with the surface fixed connection of last mould, a plurality of ventilation hole has been seted up to the inner wall of connecting pipe.

(III) advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. this punching press formula mould for syringe needle processing, through setting up the air pump, the blast pipe, the ventilation hole, sealed cowling and closing plate, when the air pump moves, the air pump will be taken out the air in the sliding sleeve, will form the negative pressure in the sliding sleeve this moment, make the stripper rod slowly remove downwards under the effect of gas pressure, the closing plate will separate with the through-hole this moment, and because external gas end gushes into, make the air pump can be with in gaseous leading-in bed die of blast pipe, the gas that gets into the bed die this moment will be discharged through the through-hole, make this mould accomplish the back with the work piece punching press, can separate work piece and bed die through the air pump, thereby the condition that the adhesion appears in the work piece that has ensured to finish is difficult for and the bed die, and when carrying out the drawing of patterns to the work piece, the condition that the work piece appears the damage has been reduced because of taking out by force.

2. This mould is used in processing of punching press formula syringe needle, through setting up the air pump, sealing cylinder and connecting cylinder, start when the staff, when making external air pass through in the ventilation hole gets into the air pump, the air pump will be with gaseous discharge in connecting cylinder and the sealing cylinder, gaseous will get into in the connecting cylinder this moment, because the connecting pipe sets up to the annular, make gaseous back in getting into the connecting pipe, gaseous velocity of flow that can accelerate mould surface air, the temperature that makes the mould produce when stamping die can reduce fast, and because the effect of metal transmission temperature is fabulous, it just can reduce the temperature of work piece to go up the mould this moment, make the staff when taking out the work piece, the condition of scald appears in the difficult high temperature that produces when punching press because of the work piece, thereby effectual guarantee has been played staff's safety.

3. This mould is used in processing of punching press formula syringe needle, through setting up the air pump, start the air pump when the staff, the air pump will be with external air in through ventilation hole suction installation shell this moment, and when the air of external world got into the installation shell, gaseous will be outside the installation shell with the dust impurity separation that contains in the air under the filtration of filter screen, make gaseous back in getting into the installation shell, be difficult for containing more dust and impurity, and after gaseous getting into connecting pipe and bed die respectively along sealed section of thick bamboo and blast pipe, be difficult for causing the condition of jam to connecting pipe and bed die.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic view of a front view of a cross-section structure of the sliding sleeve of the present invention;

in the figure: the device comprises a base 1, a support frame 2, an installation shell 3, a lower die 4, an upper die 5, a stamping device 6, a through hole 7, a sealing plate 8, an extrusion rod 9, a sliding sleeve 10, a spring 11, an air pump 12, an exhaust pipe 13, a sealing cover 14, a ventilation hole 15, a sealing barrel 16, a connecting barrel 17 and a connecting pipe 18.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1-3, the utility model provides a technical solution: a stamping type needle head processing die comprises a base 1, wherein four support frames 2 are fixedly connected to the upper surface of the base 1, the top ends of the four support frames 2 are provided with the same stamping device 6, the upper surface of the base 1 is fixedly connected with the lower surface of an installation shell 3, the upper surface of the installation shell 3 is fixedly connected with a lower die 4, the upper surface of the lower die 4 is lapped with the upper surface of the inner wall of an upper die 5, the upper surface of the upper die 5 is fixedly connected with the lower surface of the stamping device 6, the upper surface of the lower die 4 is provided with a plurality of through holes 7, the lower surface of the inner wall of the lower die 4 is lapped with the lower surface of a sealing plate 8, the sealing plate 8 is positioned in the lower die 4, the lower surface of the sealing plate 8 is fixedly connected with the top end of an extrusion rod 9, the extrusion rod 9 is slidably connected in a sliding sleeve 10, and an air pump 12, an exhaust pipe 13, a ventilation hole 15, a sealing cover 14 and the sealing plate 8 are arranged, make this mould accomplish the back with the work piece punching press, can separate work piece and bed die 4 through air pump 12 to the condition of adhesion appears in the difficult and bed die 4 of work piece that has ensured to finish processing, and reduced when carrying out the drawing of patterns to the work piece and lead to the condition that the work piece appears damaging because of taking out the work piece by force.

Specifically, as shown in fig. 1 and 3, a spring 11 is fixedly connected to the lower surface of the inner wall of the sliding sleeve 10, the top end of the spring 11 is fixedly connected to the bottom end of the extrusion rod 9, the lower surface of the sliding sleeve 10 is fixedly connected to the upper surface of the mounting housing 3, due to the arrangement of the spring 11, when the air pump 12 is closed by a worker, the spring 11 will extrude the sealing plate 8 to move upward, at this time, the sealing plate 8 will seal the through hole 7, and when a workpiece is stamped, the sealing plate 8 will also block the recessed position of the through hole 7, thereby achieving a certain guarantee effect on the workpiece, the lower surface of the sliding sleeve 10 is communicated with the air inlet end above the air pump 12, the lower surface of the air pump 12 is fixedly connected to the lower surface of the inner wall of the mounting housing 3, the air outlets on the left and right sides of the air pump 12 are respectively communicated with one end of the opposite surfaces of the two exhaust pipes 13, due to the arrangement of the sealing cover 14, after the air pump 12 injects air into the exhaust pipes 13, gas can be discharged into the lower die 4 along the exhaust pipes 13 and the sealing covers 14, so that the die has a certain demolding effect, the applicability of the die is improved, the other ends of the two exhaust pipes 13 are respectively communicated with the lower surfaces of the two sealing covers 14, the upper surface of each sealing cover 14 is fixedly connected with the upper surface of the inner wall of the mounting shell 3, and the upper surface of each sealing cover 14 is communicated with the lower die 4 through the mounting shell 3.

Specifically, as shown in fig. 1 and 2, two ventilation holes 15 are formed in the front and the back of the inner wall of the mounting housing 3, and filter screens are disposed in the four ventilation holes 15, the exhaust port in the front of the air pump 12 is communicated with the back of the sealing cylinder 16, so that the air is not likely to contain more dust and impurities after entering the mounting housing 3, and the air is not likely to block the connecting pipe 18 and the lower mold 4 after entering the connecting pipe 18 and the lower mold 4 along the sealing cylinder 16 and the exhaust pipe 13, respectively, because the sealing cylinder 16 and the connecting cylinder 17 are disposed, because the connecting pipe 18 is connected with the upper mold 5, and when the upper mold 5 moves downward, the connecting pipe 18 moves together with the upper mold 5, at this moment, the connecting cylinder 17 slides in the sealing cylinder 16, so that the stability of the connecting pipe 18 during movement is guaranteed, the connecting pipe 18 can run synchronously with the upper die 5, the sealing cylinder 16 is not prone to fracture due to dislocation, the connecting pipe 18 is arranged in an annular shape, the outer surface of the connecting pipe 18 is fixedly connected with the outer surface of the upper die 5 through the fastening block, and the inner wall of the connecting pipe 18 is provided with the plurality of ventilation holes 15.

The utility model discloses a theory of operation does:

s1, when the stamping device is used, only a worker needs to start the stamping device 6, the stamping device 6 drives the upper die 5 to move upwards slowly, the worker can place a workpiece to be stamped on the lower die 4 after moving the upper die 5 to a proper position, the worker can start the upper die 5 after adjusting the position of the workpiece, and the upper die 5 moves downwards slowly to stamp the workpiece;

s2, when the worker finishes processing the workpiece through the die, the air pump 12 can be started, at the moment, the air pump 12 sucks outside air into the mounting shell 3 through the vent holes 15, and when the air pump 12 runs, the air pump 12 also pumps out air in the sliding sleeve 10, negative pressure is formed in the sliding sleeve 10, so that the extrusion rod 9 slowly moves downwards under the action of air pressure, at the moment, the sealing plate 8 is separated from the through hole 7, and because the outside air end is flushed, the air pump 12 guides air into the lower die 4 through the exhaust pipe 13, and at the moment, the air entering the lower die 4 is discharged through the through hole 7;

s3, when the staff starts, when making the outside air pass through the ventilation hole 15 and get into the air pump 12, the air pump 12 will discharge gas into the connecting cylinder 17 and the sealing cylinder 16, at this moment, the gas will get into the connecting pipe 18, because the connecting pipe 18 sets up to the annular, make gas back in getting into the connecting pipe 18, the gas will accelerate the velocity of flow of the surface air of the upper die 5, make the temperature that the upper die 5 produced when stamping die can reduce fast, and because the effect of metal transfer temperature is fabulous, the upper die 5 just can reduce the temperature of work piece this moment.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a punching press formula mould for syringe needle processing, includes base (1), its characterized in that: the upper surface of the base (1) is fixedly connected with four supporting frames (2), the top ends of the four supporting frames (2) are provided with the same punching equipment (6), the upper surface of the base (1) is fixedly connected with the lower surface of the mounting shell (3), the upper surface of the mounting shell (3) is fixedly connected with a lower die (4), the upper surface of the lower die (4) is lapped with the upper surface of the inner wall of the upper die (5), the upper surface of the upper die (5) is fixedly connected with the lower surface of the stamping device (6), the upper surface of the lower die (4) is provided with a plurality of through holes (7), the lower surface of the inner wall of the lower die (4) is lapped with the lower surface of the sealing plate (8), the sealing plate (8) is positioned in the lower die (4), the lower surface of the sealing plate (8) is fixedly connected with the top end of the extrusion rod (9), and the extrusion rod (9) is connected in the sliding sleeve (10) in a sliding mode.

2. The stamping die for processing a needle head as claimed in claim 1, wherein: the lower surface fixedly connected with spring (11) of sliding sleeve (10) inner wall, the top of spring (11) and the bottom fixed connection of extrusion stem (9), the lower surface of sliding sleeve (10) and the upper surface fixed connection of installation shell (3), the lower surface of sliding sleeve (10) communicates with the inlet end of air pump (12) top.

3. The stamping die for processing a needle head as claimed in claim 2, wherein: the lower surface of air pump (12) and the lower fixed connection of installation shell (3) inner wall, the gas vent of air pump (12) left and right sides is linked together with the one end of two blast pipes (13) opposite face respectively, and the other end of two blast pipes (13) is linked together with the lower surface of two sealed cowlings (14) respectively.

4. The stamping die for needle machining according to claim 3, wherein: the upper surface of the sealing cover (14) is fixedly connected with the upper surface of the inner wall of the mounting shell (3), and the upper surface of the sealing cover (14) is communicated with the lower die (4) through the mounting shell (3).

5. The stamping die for processing a needle head as claimed in claim 2, wherein: two ventilation holes (15) have all been seted up at the front and the back of installation shell (3) inner wall, and all be provided with the filter screen in four ventilation holes (15), the positive gas vent of air pump (12) is linked together with the back of a sealed section of thick bamboo (16), the front fixed connection of the back of a sealed section of thick bamboo (16) and installation shell (3).

6. The stamping die for needle machining according to claim 5, wherein: sliding connection has connecting cylinder (17) in sealed section of thick bamboo (16), the top of connecting cylinder (17) is linked together with the front of connecting pipe (18), connecting pipe (18) set up to the annular, the surface of connecting pipe (18) passes through the fastening block and is connected with the surface fixed of last mould (5), a plurality of ventilation hole (15) have been seted up to the inner wall of connecting pipe (18).