CN217617412U - Stamping die - Google Patents

Abstract

The utility model provides a stamping die includes mould assembly, lower mould assembly and unsteady jacking subassembly, goes up the protruding punching pin that is equipped with of mould assembly, and lower mould assembly has two rows of accommodation holes, and unsteady jacking unit mount is downthehole in each accommodation, and unsteady jacking subassembly includes: the ejector rod is arranged in the accommodating hole; the floating piece is arranged in the accommodating hole in a sliding mode, one end of the floating piece is movably connected with the ejector rod, the other end of the floating piece extends out of the accommodating hole, and the floating piece can move up and down along the ejector rod; the elastic piece is movably arranged in the floating piece, and two ends of the elastic piece are respectively abutted against the floating piece and the ejector rod; when the die is closed, the upper die assembly drives the punch to move downwards to punch a product, and the upper die assembly abuts against the floating piece to compress the elastic piece to move downwards along the ejector rod; when the die is separated, the floating piece moves upwards along the ejector rod under the driving of the elastic piece so as to eject a punched product. Because the floating jacking assembly is arranged in the accommodating hole, even if the floating jacking assembly breaks down, the floating jacking assembly can be taken out from the accommodating hole for maintenance, and the floating jacking assembly is convenient and quick and has no potential safety hazard caused by moving the lower die assembly.

Description

Stamping die

Technical Field

The utility model relates to the technical field of mold, especially, relate to a stamping die.

Background

A separation that is used for carrying out the stamping die of punching press to the waste material on the product, in order to make the product after the punching press break away from the lower mould so that carry the product to the mould outside, set up climbing mechanism at the lower mould, through the ejecting lower mould of climbing mechanism with the ejecting lower mould of product, realization product and lower mould. The existing jacking mechanism comprises a driving device and an ejector rod penetrating through a lower die, the driving device drives the ejector rod to move upwards to eject a punched product out of the lower die, and the driving device drives the ejector rod to move downwards when the die is closed to place the product in the lower die again for punching the waste material on the product again. Above-mentioned climbing mechanism's ejector pin wears to locate the lower mould and is connected with drive arrangement, when climbing mechanism breaks down, needs lift the board down with whole lower mould and dismantle drive arrangement and ejector pin, seeks the reason and maintains, and the process is complicated, and is consuming time long, influences the production productivity, and there is the potential safety hazard in the operation process.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a stamping die to facilitate maintenance of components for ejecting a product out of a lower die.

A stamping die comprises an upper die assembly and a lower die assembly, wherein a punch is convexly arranged on the upper die assembly and used for stamping a product when die assembly is carried out; one side of the lower die assembly facing the upper die assembly is provided with at least two rows of accommodating holes, and each row of accommodating holes consists of a plurality of accommodating holes arranged side by side;

stamping die is still including unsteady jacking subassembly, unsteady jacking subassembly is installed in each the holding is downthehole, unsteady jacking subassembly is used for bearing and jacking product, unsteady jacking subassembly includes:

the ejector rod is arranged in the accommodating hole;

the floating piece is arranged in the accommodating hole in a sliding mode, one end of the floating piece is movably connected with the ejector rod, the other end of the floating piece extends out of the accommodating hole, and the floating piece can move up and down along the ejector rod;

the elastic piece is movably arranged in the floating piece, and two ends of the elastic piece are respectively abutted against the floating piece and the ejector rod;

when the die is closed, the upper die assembly drives the punch to move downwards so as to punch a product and press the floating piece to compress the elastic piece to move downwards along the ejector rod; and during die parting, the floating piece moves upwards along the ejector rod under the elastic drive of the elastic piece so as to eject a punched product.

Further, in some embodiments, the floating member has a first hole and a second hole communicated with the first hole and close to the upper die assembly, a step surface is formed between the first hole and the second hole, one end of the ejector rod close to the upper die assembly abuts against the step surface, the other end of the ejector rod extends out of the first hole, and the elastic member is disposed in the second hole and abuts against the floating member and the ejector rod.

Further, in some embodiments, the float comprises: the floating block is provided with the first hole and the second hole, and the second hole penetrates through one end, close to the upper die assembly, of the floating block; and the abutting part is arranged at one end of the second hole, which is far away from the first hole, and abuts against the elastic part.

Further, in some embodiments, the floating jack assembly further comprises: and the limiting piece is arranged in the accommodating hole and is used for abutting against the floating block when the floating block ejects a product.

Further, in some embodiments, the slider has a step on an outer surface thereof, and the stopper includes: the fixing part is fixedly connected with the lower die assembly; and the limiting part is convexly arranged at one end of the fixing part, which is close to the upper die assembly, is positioned above the step and is used for abutting against the step when the product is ejected out of the floating block.

Further, in some embodiments, the accommodating hole includes a first positioning hole and a second positioning hole communicated with the first positioning hole, the ejector rod and the slider are disposed in the first positioning hole, and the limiting member is fixed in the second positioning hole.

Further, in some embodiments, one end of the floating block close to the upper die assembly is provided with a containing groove which penetrates through the floating block along a direction parallel to the lower die assembly, and the containing groove is used for containing a product.

Further, in some embodiments, the floating block further has a discharging hole and a guide groove, the discharging hole penetrates through one end of the floating block, which is far away from the upper die assembly, and is communicated with the accommodating groove, and the guide groove penetrates through one end of the floating block, which is close to the upper die assembly, and is communicated with the accommodating groove; when the die is closed, the punch on the upper die assembly penetrates through the guide groove to punch the product placed in the accommodating groove, so that waste materials on the product fall out of the lower die assembly from the blanking Kong Hua.

Further, in some embodiments, two guide blocks and two bearing columns are further disposed on two sides of the lower die assembly, the two guide blocks are disposed on the lower die assembly in an opposite manner and extend oppositely to form two retaining pieces, the two bearing columns are located between the two guide blocks and are elastically connected to the lower die assembly, and the height of the bearing column is lower than that of the guide blocks, so that a gap communicated with the accommodating groove is formed between the bearing column and the retaining pieces, and a product is borne thereby.

Further, in some embodiments, the upper mold assembly has a retaining groove for receiving the guide block and a positioning groove for receiving an end of the slider adjacent to the upper mold assembly.

The floating jacking assembly for jacking the product in the stamping die is arranged in the accommodating hole of the lower die assembly, and even if the floating jacking assembly breaks down, the floating jacking assembly can be directly taken out from the accommodating hole to be maintained, so that the stamping die is convenient and quick, and has no potential safety hazard caused by moving the lower die assembly.

Drawings

Fig. 1 is a perspective view of a press mold provided by the present application when closing the mold.

Fig. 2 is a perspective view of the lower die assembly of the press die of fig. 1 before closing the die.

Fig. 3 is a perspective view of the first lower template and the second lower template in fig. 2.

Fig. 4 is an enlarged view at IV in fig. 3.

Fig. 5 is a cross-sectional view of the floating jack assembly of fig. 4.

Fig. 6 is a perspective view of the press die of fig. 2 with a product placed thereon.

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

FIG. 8 is a perspective view of the upper die assembly of FIG. 1 from another perspective.

Description of the main elements

The following detailed description of the invention will be further described in conjunction with the above-identified drawings.

Detailed Description

In order to make the aforementioned objects, features and advantages of the embodiments of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and detailed description. It should be noted that, in the case of no conflict, the features in the embodiments of the present invention may be combined with each other.

In the following description, numerous specific details are set forth to provide a thorough understanding of embodiments of the invention, and the described embodiments are merely some, but not all embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the scope protected by the embodiments of the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which embodiments of the present invention belong. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of embodiments of the invention.

Referring to fig. 1 and 2, the present invention provides a stamping die 1, wherein the stamping die 1 includes an upper die assembly 2, a lower die assembly 3 and a plurality of floating jacking assemblies 4. When the upper die assembly 2 and the lower die assembly 3 are closed, a punch (not shown) protruding from the upper die assembly 2 punches a product 10 (see fig. 6), and when the die is opened, the floating jacking assembly 4 moves upwards to push the punched product 10 out of the lower die assembly 3.

Referring to fig. 2 and 3, one side of the lower mold component 3 facing the upper mold component 2 has a plurality of accommodating holes 31, the plurality of accommodating holes 31 are arranged in two rows arranged at intervals, and a gap for accommodating the product 10 (see fig. 6) is reserved between the two rows of accommodating holes 31. Specifically, the lower mold assembly 3 includes two sets of abutting plates 32 and a fixing plate 33. The two sets of abutting plates 32 are disposed facing the upper mold assembly 2 and are fixed on the fixing plate 33 in parallel. Each set of the supporting plates 32 includes a first lower mold plate 321 and a second lower mold plate 322 located between the first lower mold plate 321 and the fixing plate 33. The receiving hole 31 penetrates the first lower mold plate 321 and extends to the second lower mold plate 322.

Referring to fig. 3 to 5, a plurality of floating jacking assemblies 4 are respectively installed in the corresponding accommodating holes 31 to form two rows of floating jacking assemblies 4 arranged at intervals. Two rows of floating jacking assemblies 4 are used to carry and jack up products 10 (see fig. 6). The floating jacking assembly 4 comprises a jacking rod 41, a floating piece 42 and an elastic piece 43. The push rod 41 is disposed in the containing hole 31, and one end of the push rod 41 abuts against the bottom wall of the containing hole 31 of the second lower template 322. The floating piece 42 is arranged in the containing hole 31 in a sliding mode, one end of the floating piece 42 is movably connected with the ejector rod 41, the other end of the floating piece 42 extends out of the containing hole 31, the floating piece 42 can move up and down along the ejector rod 41, the elastic piece 43 is arranged in the floating piece 42, and two ends of the elastic piece 43 are respectively abutted to the floating piece 42 and the ejector rod 41. When the die is closed, the upper die assembly 2 drives the punch to move downwards to punch a product, and the floating piece 42 is driven by the upper die assembly 2 to compress the elastic piece 43 and move downwards along the ejector rod 41; when the die is opened, the upper die assembly 2 moves upwards, and the floating piece 42 moves upwards along the ejector rod 41 under the elastic driving of the elastic piece 43 so as to eject the punched product 10.

With continued reference to FIG. 5, in one embodiment, the floating member 42 has a first hole 421 and a second hole 422 communicating with the first hole 421 and adjacent to the upper mold assembly 2. A step surface 423 is formed between the first hole 421 and the second hole 422, one end of the top rod 41 close to the upper die assembly 2 is located in the second hole 422 and abuts against the step surface 423, the other end of the top rod 41 extends out of the first hole 421 and abuts against the second lower die plate 322, and the elastic element 43 is disposed in the second hole 422 and abuts against the floating element 42 and the top rod 41.

In some embodiments, the float 42 includes a float 424 and an abutment 425. The slider 424 has the first hole 421 and the second hole 422, and the second hole 422 penetrates through one end of the slider 424 close to the upper mold unit 2. The stop member 425 is mounted at an end of the second hole 422 away from the first hole 421 and abuts against the elastic member 43. In some embodiments, the end of the second bore 422 near the upper mold assembly 2 may be a threaded bore and the stop 425 may be a setscrew.

Referring to fig. 5 to 6, a receiving groove 426 is formed at one end of the floating block 424 protruding out of the receiving hole 31 along a direction parallel to the lower mold assembly 3, and the receiving groove 426 is used for bearing an edge of the product 10. The two rows of sliders 424 on the two rows of floating jacking assemblies 4 respectively bear the two opposite edges of the product 10, so that the product 10 is borne on the sliders 424.

Referring to fig. 2, 6 and 7, two guide blocks 38 and two support columns 39 are respectively disposed on two sides of the lower mold assembly 3. The two guide blocks 38 are oppositely arranged on the abutting plate 32 of the lower die assembly 3, and the two guide blocks 38 extend oppositely to form two retaining pieces 381, the two bearing columns 39 are located between the two guide blocks 38, the two bearing columns 39 are elastically connected to the abutting plate 32 of the lower die assembly 3 and face one side of the upper die assembly 2, the height of the bearing columns 39 is lower than that of the guide blocks 38, the two bearing columns 39 are respectively located below the two retaining pieces 381, and a gap communicated with the accommodating groove 426 is formed between the bearing columns 39 and the retaining pieces 381 so as to accommodate the product 10 and guide the product 10 to the accommodating groove 426.

Referring to fig. 8, the upper mold assembly 2 has a limiting groove 21 for receiving the guide block 38 and a positioning groove 22 for receiving the floating block 424 at an end close to the upper mold assembly 2.

Referring to fig. 1-2 and 8, when the mold is closed, when the upper mold assembly 2 moves downward to a predetermined height above the lower mold assembly 3, the portion of the guide block 38 located above the product 10 is disposed in the limit groove 21, the end of the floating block 424 close to the upper mold assembly 2 is disposed in the positioning groove 22, the upper mold assembly 2 continues to move downward, and the side of the upper mold assembly 2 facing the lower mold assembly 3 presses the product 10 downward to make the floating block 424 and the bearing column 39 move downward, so that the product 10 presses downward on the first lower mold plate 321, and the punch on the upper mold assembly 2 punches the product 10. During mold opening, the sliders 424 and the load post 39 are repositioned upward to eject the product 10 out of the lower mold assembly 3.

Referring to fig. 5, the slider 424 further has a blanking hole 427 and a guide groove 428 communicating with the receiving groove 426 in a direction perpendicular to the lower mold assembly 3. A guide groove 428 extends through the slider 424 at an end thereof closer to the upper mold unit 2, a feed hole 427 extends through the slider 424 at an end thereof farther from the upper mold unit 2, and the second lower mold plate 322 and the fixing plate 33 have through holes (not shown) communicating with the feed hole 427. When the dies are closed, the punch on the upper die assembly 2 passes through the guide slot 428 to punch the product 10 placed in the receiving slot 426, so that the product is separated from the scrap, and the scrap slides out of the lower die assembly 3 through the blanking hole 427 and the through hole in sequence.

Referring to fig. 2, the lower mold assembly 3 further includes a supporting plate 35 and a plurality of supporting pillars 36, the supporting plate 35 is located below the fixing plate 33, and the supporting pillars 36 are connected between the fixing plate 33 and the supporting plate 35, so that the waste material falls on the supporting plate 35 after falling out of the fixing plate 33 from the feeding hole 427 through Kong Hua.

Referring to fig. 4, the floating jacking assembly 4 further includes a limiting member 44. The limiting member 44 is disposed in the receiving hole 31 and is used for abutting against the slider 424 when the slider 424 ejects the product 10, so as to limit the height of the slider 424 to be lifted and prevent the slider 424 from popping out of the receiving hole 31.

In one embodiment, the outer surface of slider 424 has a step 429. The position-limiting member 44 includes a fixing portion 441 and a position-limiting portion 442. The fixing portion 441 is fixedly connected to the first lower die plate 321 of the lower die assembly 3. The limiting portion 442 is protruded from an end of the fixing portion 441 close to the upper die assembly 2, and is located above the step 429, and is used for abutting against the step 429 to limit the height of the floating block 424 when the floating block 424 ejects the product 10.

The stamping die 1 adopts a plurality of elastic floating jacking products of the floating jacking components 4, the floating height of the floating jacking components 4 can be adjusted through the limiting parts 44, and the loss caused by product deformation and dislocation is reduced.

The accommodation hole 31 includes a first positioning hole 311 and a second positioning hole 312 communicating with the first positioning hole 311 in a direction parallel to the lower mold assembly 3. The first positioning hole 311 penetrates through the first lower mold plate 321 and extends to the second lower mold plate 322, and the second positioning hole 312 is located on the first lower mold plate 321. The lift pins 41, the sliders 424, and the elastic members 43 are disposed in the first positioning holes 311. The first positioning hole 311 is shaped to match the slider 424 to guide the slider 424 up and down. The position-limiting member 44 is fixed in the second positioning hole 312 to abut against the step 429 on the slider 424 when the slider 424 ejects the product 10, so as to limit the height of the slider 424.

The working process of the stamping die 1 is as follows:

placing two sides of the product 10 in the containing grooves 426 of the floating blocks of the two rows of floating jacking assemblies 4, and enabling two ends of the product 10 to be located on the two bearing columns 39;

when the die is closed, the upper die component 2 drives the punch to move downwards, when the upper die component 2 moves downwards to a preset height above the lower die component 3, one end, close to the upper die component 2, of the floating block 424 is arranged in the positioning groove 22 and abuts against the inner wall of the positioning groove 22, the guide block 38 is arranged in the limiting groove 21, and meanwhile, one side, facing the lower die component 3, of the upper die component 2 also abuts against the product 10;

the upper die assembly 2 continues to descend, the upper die assembly 2 presses the product 10 and the floating block 424 to descend so as to drive the bearing column 39 to descend, meanwhile, the elastic piece 43 is compressed, when the upper die assembly 2 abuts against the first lower die plate 321, the punch on the upper die assembly 2 punches the waste material part on the product 10 so as to separate the product 10 from the waste material, the waste material slides out of the lower die assembly 3 through the blanking hole 427 on the floating block and falls on the bearing plate 35, and if the punch descending along the guide groove 428 punches the part of the product 10 arranged in the accommodating groove 426, the waste material slides out of the lower die assembly 3 through the blanking hole 427 and the through hole in sequence and falls on the bearing plate 35;

when the mold is opened, the upper mold assembly 2 moves upwards to move the bearing column 39 upwards, the elastic piece 43 elastically pushes the floating block 424 upwards, the floating block 424 and the bearing column 39 lift the product 10 upwards to separate the product 10 from the first lower mold plate 321 until the step 429 on the floating block 424 abuts against the limiting part 442, the elastic piece 43 and the bearing column 39 reset, and at the moment, the driving device can drive the product 10 to move along the arrangement direction of the floating block 424 to withdraw the punched product 10.

Foretell stamping die 1 is when the compound die, the rising subassembly 4 that floats makes down the punching pin punching press product 10 of protruding locating on last mould component 2 under the drive of last mould component 2, when the die sinking, the rising subassembly 4 that floats goes upward in order to push out the product 10 after the punching press, because the rising subassembly 4 that floats arranges in the holding hole 31 of lower mould component 3, even the rising subassembly 4 that floats breaks down, can directly take out the rising subassembly 4 that floats from holding hole 31 and maintain, convenient and fast just need not move lower mould component 3 and the potential safety hazard that exists. It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be taken as limiting the present invention, and that suitable modifications and variations of the above embodiments are within the scope of the present invention as hereinafter claimed.

Claims (10)

1. A stamping die comprises an upper die assembly and a lower die assembly, wherein a punch is convexly arranged on the upper die assembly and used for stamping a product when die assembly is carried out; the mold is characterized in that one side of the lower mold component, which faces the upper mold component, is provided with at least two rows of containing holes, and each row of containing holes consists of a plurality of containing holes arranged side by side;

stamping die is still including unsteady jacking subassembly, unsteady jacking subassembly is installed in each the holding is downthehole, unsteady jacking subassembly is used for bearing and jacking product, unsteady jacking subassembly includes:

the ejector rod is arranged in the accommodating hole;

the floating piece is arranged in the accommodating hole in a sliding mode, one end of the floating piece is movably connected with the ejector rod, the other end of the floating piece extends out of the accommodating hole, and the floating piece can move up and down along the ejector rod;

the elastic piece is movably arranged in the floating piece, and two ends of the elastic piece are respectively abutted against the floating piece and the ejector rod;

when the die is closed, the upper die assembly drives the punch to move downwards so as to punch a product and press the floating piece to compress the elastic piece to move downwards along the ejector rod; and during die parting, the floating part moves upwards along the ejector rod under the elastic drive of the elastic part so as to eject a punched product.

2. The stamping die of claim 1, wherein the floating member has a first hole and a second hole that communicates with the first hole and is adjacent to the upper die assembly, a step surface is formed between the first hole and the second hole, one end of the ejector rod adjacent to the upper die assembly abuts against the step surface, the other end of the ejector rod extends out of the first hole, and the elastic member is disposed in the second hole and abuts against the floating member and the ejector rod.

3. The stamping die of claim 2, wherein the float comprises:

the floating block is provided with the first hole and the second hole, and the second hole penetrates through one end, close to the upper die assembly, of the floating block;

and the abutting part is arranged at one end of the second hole, which is far away from the first hole, and abuts against the elastic part.

4. The stamping die of claim 3, wherein the floating jack assembly further comprises:

and the limiting piece is arranged in the accommodating hole and is used for abutting against the floating block when the floating block ejects a product.

5. The stamping die of claim 4, wherein the outer surface of the slider has a step, the retainer comprising:

the fixing part is fixedly connected with the lower die assembly;

and the limiting part is convexly arranged at one end of the fixing part, which is close to the upper die assembly, is positioned above the step and is used for abutting against the step when the product is ejected out of the floating block.

6. The stamping die of claim 4, wherein the receiving hole includes a first positioning hole and a second positioning hole communicating with the first positioning hole, the ejector rod and the slider are disposed in the first positioning hole, and the limiting member is fixed in the second positioning hole.

7. The stamping die of claim 3, wherein one end of the floating block close to the upper die assembly is provided with a containing groove penetrating through the floating block along a direction parallel to the lower die assembly, and the containing groove is used for containing a product.

8. The stamping die of claim 7, wherein the floating block further has a blanking hole extending through an end of the floating block remote from the upper die assembly and communicating with the receiving slot, and a guide slot extending through an end of the floating block proximate to the upper die assembly and communicating with the receiving slot; when the die is closed, the punch on the upper die assembly penetrates through the guide groove to punch the product placed in the accommodating groove, so that waste materials on the product fall out of the lower die assembly from the blanking Kong Hua.

9. The stamping die of claim 8, wherein two guide blocks and two bearing columns are further disposed on two sides of the lower die assembly, the two guide blocks are disposed opposite to the lower die assembly and extend oppositely to form two retaining pieces, the two bearing columns are disposed between the two guide blocks and are elastically connected to the lower die assembly, and the height of the bearing column is lower than that of the guide blocks, so that a gap communicated with the accommodating groove is formed between the bearing column and the retaining pieces, and a product is supported.

10. The stamping die of claim 9, wherein the upper die assembly has a retaining groove for receiving the guide block and a positioning groove for receiving an end of the slider adjacent the upper die assembly.

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