CN210435172U

CN210435172U - Combined type stamping lower die

Info

Publication number: CN210435172U
Application number: CN201920597504.4U
Authority: CN
Inventors: 郭旭光
Original assignee: Henghe Mould Technology Tianjin Co Ltd
Current assignee: Henghe Mould Technology Tianjin Co Ltd
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2020-05-01
Anticipated expiration: 2029-04-28

Abstract

The utility model discloses a modular punching press lower mould, including the external mold, the external mold outer wall has the locating piece through the screw connection, the external mold inner chamber can be dismantled and be connected with the mold core, mold core top fixedly connected with flange, the plug-in block has all been welded at flange bottom both ends, external mold inner wall fixedly connected with installation piece, the mold core bottom is connected with the internal thread fixed block through the buckle, locating piece one end swing joint has the lock post, the inside fixedly connected with guide bar of locating piece, the guide plate surface is connected with the limiting plate through the buckle. The utility model discloses a connecting rod drags the lock post to remove on the guide bar, and the lock post can compress No. two springs moreover, makes the lock post shrink advance the locating piece inner chamber, and the splicing piece of being convenient for links up with the recess mutually, then loosens the handle, with the help of the elasticity of No. two springs, and the lock post runs through the outer wall of external mold in addition, makes the lock post link up with the through-hole mutually, also is convenient for simultaneously to the installation and the dismantlement of mold core.

Description

Combined type stamping lower die

Technical Field

The utility model relates to a mould, in particular to modular punching press lower mould.

Background

The stamping die is a special process equipment for processing metal or nonmetal into parts or semi-finished products in cold stamping processing, and is called as a cold stamping die commonly 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 thereof, thereby obtaining a desired part.

In the field of die machining, particularly in the industries of machinery, medical treatment, electronics, hardware, electrical tools and the like, most of existing dies are of integral structures, a single product needs a corresponding single die and a corresponding single pair of dies, the cost is high, and in order to enable one outer die to be matched with different die cores for use, a combined stamping lower die is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a modular punching press lower mould, drag the lock post through the connecting rod and remove on the guide bar, the lock post can compress No. two springs in addition, makes the lock post shrink into the locating piece inner chamber, the plug-in block of being convenient for links up with the recess mutually, then loosens the handle, with the help of the elasticity of No. two springs, the lock post runs through the outer wall of external mold in addition, makes the lock post link up with the through-hole mutually, also be convenient for simultaneously to the installation and the dismantlement of mold core, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a modular punching press lower mould, includes the external mold, the external mold outer wall has the locating piece through the screw connection, external mold inner chamber can be dismantled and is connected with the mold core, mold core top fixedly connected with flange, the piece of pegging graft has all been welded at flange bottom both ends, external mold inner wall fixedly connected with installation piece, the mold core bottom is connected with the internal thread fixed block through the buckle, locating piece one end swing joint has the lock cylinder, the inside fixedly connected with guide bar of locating piece, the guide bar surface is connected with the limiting plate through the buckle, No. two springs have been cup jointed to limiting plate one side, the welding of lock cylinder.

Furthermore, guide posts are welded on two sides of the outer die, and a first spring is detachably connected to the surfaces of the guide posts.

Furthermore, the upper surface of the mounting block is provided with a groove, the insertion block is connected with the groove, and the inner wall of the groove is adhered with a rubber pad.

Furthermore, one side of the internal thread fixing block is rotatably connected with a locking screw rod, and the locking screw rod penetrates through the bottom of the outer die.

Furthermore, the lock cylinder inner chamber is hollow structure and the lock cylinder runs through the outer wall of the outer mold, the handle is detachably connected to one end of the connecting rod, and the surface of the insertion block is provided with a through hole which is connected with the lock cylinder.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. when the mold core is installed, the lock column is of a hollow structure and is in sliding connection with the guide rod, meanwhile, the lock column is connected with one end of the second spring through a buckle, when the handle is pulled, the lock column is dragged to move on the guide rod through the connecting rod, the second spring can be compressed through the lock column, the lock column is made to shrink into the inner cavity of the positioning block, the insertion block is convenient to link with the groove, then the handle is loosened, with the help of the elasticity of the second spring, the lock column penetrates through the outer wall of the outer mold, the lock column is made to link with the through hole, meanwhile, the mold core is convenient to install and detach, one outer mold can be matched with different mold cores for use, and the problem that a single product needs a corresponding single mold is effectively solved.

2. The inner thread fixing block is connected to the bottom of the mold core through a buckle, the locking screw is rotatably connected to one side of the inner thread fixing block, the inner thread fixing block is installed at the bottom of the mold core when the mold core is replaced, the locking screw is rotated, the mold core can be further fixed through the pulling force of the locking screw, and the machining precision is improved.

3. The rubber pads are adhered to the inner walls of the grooves, so that on one hand, vibration can be effectively isolated, impact force can be absorbed, the contact area between the insertion block and the installation block can be reduced, and on the other hand, abrasion between the insertion block and the installation block can be effectively reduced.

Drawings

Fig. 1 is the utility model relates to an overall structure schematic diagram of modular punching press lower mould.

Fig. 2 is the utility model discloses a positioning block section structure schematic diagram of modular punching press lower mould.

Fig. 3 is the utility model discloses a modular plug-in block section structure schematic diagram of punching press lower mould.

In the figure: 1. an outer mold; 2. a guide post; 3. a first spring; 4. positioning blocks; 5. a mold core; 6. a flange; 7. an insertion block; 8. mounting blocks; 9. a groove; 10. a rubber pad; 11. An internal thread fixing block; 12. locking the screw rod; 13. a lock cylinder; 14. a guide bar; 15. a limiting plate; 16. a second spring; 17. a connecting rod; 18. a handle; 19. and a through hole.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a modular punching press lower mould, includes external mold 1, there is locating piece 4 external wall of external mold 1 through the screw connection, 1 inner chamber of external mold can be dismantled and be connected with mold core 5, 5 top fixedly connected with flanges 6 of mold core, 6 bottom both ends of flange have all been welded and have been inserted piece 7, 1 inner wall fixedly connected with installation piece 8 of external mold, 5 bottoms of mold core are connected with internal thread fixed block 11 through the buckle, 4 one end swing joint of locating piece has lock post 13, the inside fixedly connected with guide bar 14 of locating piece 4, the guide bar 14 surface is connected with limiting plate 15 through the buckle, No. two springs 16 have been cup jointed to limiting plate 15 one side, 13 one end welding of lock post has connecting rod 17.

In this embodiment (as shown in fig. 1 and 2), the lock cylinder is dragged to move on the guide rod through the connecting rod, and the lock cylinder can compress the second spring, so that the lock cylinder is contracted into the inner cavity of the positioning block, the insertion block is convenient to be connected with the groove, then the handle is loosened, the lock cylinder penetrates through the outer wall of the outer die by virtue of the elasticity of the second spring, so that the lock cylinder is connected with the through hole, and meanwhile, the installation and the disassembly of the die core are convenient.

The outer die is characterized in that guide columns 2 are welded on two sides of the outer die 1, and a first spring 3 is detachably connected to the surfaces of the guide columns 2.

In this embodiment (as shown in fig. 1), buffering the impact force of the upper die is advantageous for the die.

The upper surface of the mounting block 8 is provided with a groove 9, the insertion block 7 is connected with the groove 9, and the inner wall of the groove 9 is adhered with a rubber pad 10.

In this embodiment (as shown in fig. 1), on one hand, shock can be effectively isolated and impact force can be absorbed, so that the contact area between the insertion block and the mounting block can be reduced, and on the other hand, wear between the insertion block and the mounting block can be effectively reduced.

One side of the internal thread fixing block 11 is rotatably connected with a locking screw 12, and the locking screw 12 penetrates through the bottom of the outer die 1.

In this embodiment (as shown in fig. 1), the die core can be further fixed by the tensile force of the locking screw, so that the processing precision is improved.

The inner cavity of the lock column 13 is of a hollow structure, the lock column 13 penetrates through the outer wall of the outer die 1, one end of the connecting rod 17 is detachably connected with a handle 18, and the surface of the insertion block 7 is provided with a through hole 19, and the through hole 19 is connected with the lock column 13.

In this embodiment (as shown in fig. 2 and 3), the operation is convenient for installing and disassembling the mold core.

When the mold core 5 is installed, because the lock column 13 is of a hollow structure, the lock column 13 is in sliding connection with the guide rod 14, and meanwhile, the lock column 13 is connected with one end of the second spring 16 through a buckle, when the handle 18 is pulled, the lock column 13 is dragged to move on the guide rod 14 through the connecting rod 17, the lock column 13 can compress the second spring 16, the lock column 13 can be contracted into the inner cavity of the positioning block 4, the insertion block 7 is conveniently connected with the groove 9, then the handle 18 is released, the lock column 13 penetrates through the outer wall of the outer mold 1 to be connected with the through hole 19, the installation and the disassembly of the mold core 5 are convenient, the moving distance of the lock column 13 can be conveniently controlled by installing the limiting plate 15 on the guide rod 14, and the elastic modulus of the second spring 16 can be protected at the same time, there is rubber pad 10 through the bonding of recess 9 inner wall, on the one hand can effectual isolation vibrations and absorption impact force, reduce the area of contact between plug block 7 and the installation piece 8, on the other hand can effectual reduction plug block 7 and the wearing and tearing between the installation piece 8, be connected with internal thread fixed block 11 through the buckle bottom mold core 5, and 11 one side swivelling joint of internal thread fixed block have locking screw 12, when changing mold core 5, install internal thread fixed block 11 in its bottom, and rotatory locking screw 12, can further fix mold core 5 through locking screw 12's pulling force, the precision of processing is improved.

It should be noted that, the utility model relates to a modular punching press lower mould, including external mold 1, guide post 2, spring 3, locating piece 4, mold core 5, flange 6, plug-in block 7, installation piece 8, recess 9, rubber pad 10, internal thread fixed block 11, locking screw 12, lock post 13, guide bar 14, limiting plate 15, No. two spring 16, connecting rod 17, handle 18, through-hole 19, the part is the part that general standard component or technical personnel in the field know, its structure and principle all are that this technical personnel all can learn through the technical manual or learn through conventional experimental method.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a modular punching press lower mould, includes external mold (1), its characterized in that: external mold (1) outer wall has locating piece (4) through the screw connection, external mold (1) inner chamber can be dismantled and be connected with mold core (5), mold core (5) top fixedly connected with flange (6), plug-in block (7) have all been welded at flange (6) bottom both ends, external mold (1) inner wall fixedly connected with installation piece (8), mold core (5) bottom is connected with internal thread fixed block (11) through the buckle, locating piece (4) one end swing joint has lock post (13), locating piece (4) inside fixedly connected with guide bar (14), guide bar (14) surface is connected with limiting plate (15) through the buckle, No. two spring (16) have been cup jointed to limiting plate (15) one side, lock post (13) one end welding has connecting rod (17).

2. The modular punch lower die of claim 1, wherein: the outer mould (1) both sides all weld guide post (2), guide post (2) surface can be dismantled and be connected with spring (3).

3. The modular punch lower die of claim 1, wherein: the upper surface of the mounting block (8) is provided with a groove (9), the insertion block (7) is connected with the groove (9), and a rubber pad (10) is adhered to the inner wall of the groove (9).

4. The modular punch lower die of claim 1, wherein: one side of the internal thread fixing block (11) is rotatably connected with a locking screw rod (12), and the locking screw rod (12) penetrates through the bottom of the outer die (1).

5. The modular punch lower die of claim 1, wherein: the inner cavity of the lock column (13) is of a hollow structure, the lock column (13) penetrates through the outer wall of the outer die (1), one end of the connecting rod (17) is detachably connected with a handle (18), and the surface of the insertion block (7) is provided with a through hole (19) and the through hole (19) is connected with the lock column (13).