CN210907716U

CN210907716U - Cut-off back deburring hardware stamping die

Info

Publication number: CN210907716U
Application number: CN201921907794.4U
Authority: CN
Inventors: 代永良
Original assignee: Kunshan Longrui Precision Mould Co ltd
Current assignee: Kunshan Longrui Precision Mould Co ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-07-03
Anticipated expiration: 2029-11-07

Abstract

The utility model discloses a back press flash five metals stamping die cuts off, the on-line screen storage device comprises a base, bolt fixedly connected with lower mould is passed through at the top of base, and the top position department of base is provided with the footstock, the top position department that the bottom of footstock is close to the lower mould passes through bolt fixedly connected with and goes up the mould, the bottom central authorities position department of lower mould imbeds there is the fixing base, the top welding of fixing base has the template. This cut-off back deburring five metals stamping die, connecting block and cutter through last mould bottom, can realize cutting off after the hardware punching press, and realize the deburring of cutting off department under the extrusion of third deburring chamfer and fourth deburring chamfer, the effectual burr of taking out cutting off department, through cutting off the department and buckling the department to the hardware and carrying out the deburring, the unedged production of effectual reduction hardware, the smoothness on the curved part surface of improvement hardware, reduce the trouble of follow-up unhairing limit processing.

Description

Cut-off back deburring hardware stamping die

Technical Field

The utility model relates to a stamping die technical field specifically is a cut off back press flash five metals stamping die.

Background

The stamping die is a special process equipment for processing materials (metal or nonmetal) into parts (or semi-finished products) in cold stamping processing, and is called a cold stamping die (commonly called a cold stamping die).

However, the existing stamping die mostly enables the hardware to deform through hard extrusion when the hardware is stamped, so that burrs are easily formed at the bent part of the hardware, the hardware is not only reduced in quality, but also needs subsequent further processing, time and labor are wasted, and a die for automatically cutting off and pressing burrs of the hardware after stamping is absent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a back deburring five metals stamping die cuts off to it lacks a hardware and cuts off and the problem of deburring mould by oneself behind the punching press to solve to propose current stamping die among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a cut-off deburring hardware stamping die comprises a base, wherein the top of the base is fixedly connected with a lower die through a bolt, a top seat is arranged at the position above the base, the position, close to the upper position of the lower die, of the bottom of the top seat is fixedly connected with an upper die through a bolt, a fixed seat is embedded at the central position of the bottom of the lower die, a template is welded at the top of the fixed seat, a first die cavity is arranged at the central position of the top of the template, a first deburring chamfering part is arranged at the bottom inside the first die cavity, a second die cavity is arranged at the position, close to the upper position of the first die cavity, of the top of the lower die, a second deburring chamfering part is arranged at the top of the second die cavity, a cutter groove and a limiting column hole are arranged at the position, close to one side of the second die cavity, the cutter groove is arranged at one side of the limiting column hole, and a third deburring part is arranged at the, the welding of the bottom central position department of going up the mould has mould benevolence and cutter, mould benevolence is located one side of cutter, and the welding has the connecting block between mould benevolence and the cutter, fourth press burr chamfer portion has been seted up to the bottom of connecting block, the welding of the top position department that the bottom of going up the mould is close to spacing post hole has spacing post, the top of lower mould is close to and has placed the load board between second die cavity and the cutter groove, pass through fastening nut fixed connection between fixing base and the lower mould.

Preferably, the first, second, third and fourth press flash chamfer portions are rounded corners.

Preferably, the number of the limiting column holes and the number of the limiting columns are four, and the four limiting column holes and the four limiting columns are symmetrically arranged on the outer wall of one side of the lower die and the outer wall of one side of the upper die respectively.

Preferably, a groove is formed in the position, close to one side of the fastening nut, of the bottom of the fixing seat.

Preferably, the bottom of the mold core is provided with an arc chamfer corresponding to the first deburring chamfer.

Preferably, the number of the cutter grooves is two, and the two cutter grooves are symmetrically arranged at the bottom of the upper die.

Compared with the prior art, the beneficial effects of the utility model are that: this cut off back deburring five metals stamping die, connecting block and cutter through last mould bottom, can realize cutting off after the hardware punching press, and realize the deburring of cutting off department under the extrusion of third deburring chamfer and fourth deburring chamfer, the effectual burr of taking out cutting off department, can change according to the wearing and tearing condition of first die cavity through removable fixing base, not only avoid the problem that whole mould replacement cost is high, can also change the adjustment according to the angle of deburring, carry out the deburring through cutting off department and the department of buckling, the effectual production that reduces the hardware is unedged, improve the smoothness on the curved part surface of hardware, reduce the trouble of follow-up deburring processing.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a side view of the present invention;

fig. 4 is a top view of the base of the present invention.

In the figure: 1. a base; 2. a lower die; 3. a top seat; 4. an upper die; 5. a fixed seat; 6. a template; 7. a first mold cavity; 8. a first burring chamfer; 9. a second mold cavity; 10. a second burring chamfer; 11. a cutter slot; 12. limiting column holes; 13. a third deburring chamfer; 14. a mold core; 15. connecting blocks; 16. a cutter; 17. a fourth deburring chamfer; 18. a limiting column; 19. a bearing plate; 20. and (5) tightening the nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a hardware stamping die for cutting off burrs comprises a base 1, wherein the top of the base 1 is fixedly connected with a lower die 2 through bolts, a top seat 3 is arranged at the position above the base 1, the position, close to the upper part of the lower die 2, of the bottom of the top seat 3 is fixedly connected with an upper die 4 through bolts, a fixed seat 5 is embedded at the central position of the bottom of the lower die 2, a template 6 is welded at the top of the fixed seat 5, a first die cavity 7 is arranged at the central position of the top of the template 6, a first burr chamfer part 8 is arranged at the inner bottom of the first die cavity 7, a second die cavity 9 is arranged at the position, close to the upper part of the first die cavity 7, of the top of the lower die 2, a second burr chamfer part 10 is arranged at the top of the second die cavity 9, a cutter groove 11 and a limit column hole 12 are arranged at the position, close to one side of the second die cavity, third press burr chamfer 13 has been seted up to one side position department that the top of lower mould 2 is close to cutter groove 11, the bottom central point department of going up mould 4 welds and has mould benevolence 14 and cutter 16, mould benevolence 14 is located one side of cutter 16, and the welding has connecting block 15 between mould benevolence 14 and the cutter 16, fourth press burr chamfer 17 has been seted up to the bottom of connecting block 15, the top position department that the bottom of going up mould 4 is close to spacing post hole 12 welds spacing post 18, the top of lower mould 2 has been close to and has been placed load plate 19 between second die cavity 9 and the cutter groove 11, through fastening nut 20 fixed connection between fixing base 5 and the lower mould 2.

The utility model discloses in: the first, second, third and fourth press-

flash chamfer parts

8, 10, 13 and 17 are rounded corners; and burrs of the stamped hardware are reduced.

The utility model discloses in: four limiting column holes 12 and four limiting columns 18 are arranged, and the four limiting column holes 12 and the four limiting columns 18 are symmetrically arranged on the outer wall of one side of the lower die 2 and the outer wall of one side of the upper die 4 respectively; the stamping coincidence of the lower die 2 and the upper die 4 is ensured.

The utility model discloses in: a groove is formed in the position, close to one side of the fastening nut 20, of the bottom of the fixed seat 5; it is convenient to take the fastening nut 20 into the inside of the fixing base 5.

The utility model discloses in: the bottom of the die core 14 is provided with an arc chamfer corresponding to the first deburring chamfer part 8; the chamfering and stamping are convenient to carry out on the interior of the hardware.

The utility model discloses in: the number of the cutter grooves 11 is two, and the two cutter grooves 11 are symmetrically arranged at the bottom of the upper die 4; the cutter 16 is easily accommodated.

The working principle is as follows: fixing a base 1 on a horizontal desktop through bolts, fixing a top seat 3 on a driving structure through bolts, keeping the base 1 and the top seat 3 on the same vertical line, placing a bearing plate 19 above a lower die 2, placing a hardware to be punched on the lower die 2, driving the upper die 4 to descend by the driving structure, leading a die core 14 to contact with the hardware, bending the hardware downwards under the extrusion of the die core 14, after the die core 14 presses the hardware into a second die cavity 9 to a certain depth, contacting a cutter 16 with the hardware, cutting off the hardware along with the continuous descending of the upper die 4, extracting the bearing plate 19, pressing the hardware into the second die cavity 9 and the first die cavity 7 along with the die core 14 completely, stamping the hardware, pressing a bent part of the hardware by a first deburring chamfer part 8, a second deburring chamfer part 10, a third deburring part 13 and a fourth deburring part 17, the production of effectual reduction hardware deckle edge improves the smoothness on the curved part surface of hardware, reduces the trouble of follow-up unhairing limit processing.

In summary, the following steps: this cut off back burring five metals stamping die, connecting block 15 and cutter 16 through last mould 4 bottoms, can realize cutting off after the hardware punching press, and realize the burring of cutting off department under the squeezing action of third burring chamfer 13 and fourth burring chamfer 17, the effectual burr that takes out the cutting off department, can change according to the wearing and tearing condition of first die cavity 7 through removable fixing base 5, not only avoid the problem that whole mould replacement cost is high, can also change the adjustment according to the angle of burring, through burring to hardware cutting off department and department of buckling, the unedged production of effectual reduction hardware, the smoothness on the curved part surface of hardware is improved, reduce the trouble of follow-up unhairing limit processing.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cut off back fringing five metals stamping die, includes base (1), its characterized in that: the top of base (1) is through bolt fixedly connected with lower mould (2), and the top position department of base (1) is provided with footstock (3), the top position department that the bottom of footstock (3) is close to lower mould (2) is through bolt fixedly connected with last mould (4), the bottom central point department embedding of lower mould (2) has fixing base (5), the top welding of fixing base (5) has template (6), first die cavity (7) have been seted up to the top central point department of template (6), first deburring chamfer portion (8) have been seted up to the inside bottom of first die cavity (7), the top position department that the top of lower mould (2) is close to first die cavity (7) has seted up second die cavity (9), second deburring chamfer portion (10) have been seted up at the top of second die cavity (9), one side position department that the top of lower mould (2) is close to second die cavity (9) has seted up cutter groove (11) and spacing post hole (12) The cutter groove (11) is positioned at one side of the limit column hole (12), a third deburring chamfer part (13) is arranged at one side of the top of the lower die (2) close to the cutter groove (11), a mold core (14) and a cutter (16) are welded at the central position of the bottom of the upper mold (4), the mold core (14) is positioned at one side of the cutter (16), and a connecting block (15) is welded between the die core (14) and the cutter (16), the bottom of the connecting block (15) is provided with a fourth deburring chamfer part (17), a limiting column (18) is welded at the position, close to the upper part of the limiting column hole (12), of the bottom of the upper die (4), a bearing plate (19) is arranged between the top of the lower die (2) close to the second die cavity (9) and the cutter groove (11), the fixing seat (5) is fixedly connected with the lower die (2) through a fastening nut (20).

2. The hardware stamping die for the press flash after cutting off as claimed in claim 1, wherein: first press burr chamfer (8), second press burr chamfer (10), third press burr chamfer (13) and fourth press burr chamfer (17) are the fillet.

3. The hardware stamping die for the press flash after cutting off as claimed in claim 1, wherein: the four limiting column holes (12) and the four limiting columns (18) are arranged on the outer wall of one side of the lower die (2) and the outer wall of one side of the upper die (4) respectively and symmetrically.

4. The hardware stamping die for the press flash after cutting off as claimed in claim 1, wherein: a groove is formed in the position, close to one side of the fastening nut (20), of the bottom of the fixing seat (5).

5. The hardware stamping die for the press flash after cutting off as claimed in claim 1, wherein: the bottom of the die core (14) is provided with an arc chamfer corresponding to the first deburring chamfer part (8).

6. The hardware stamping die for the press flash after cutting off as claimed in claim 1, wherein: the number of the cutter grooves (11) is two, and the two cutter grooves (11) are symmetrically arranged at the bottom of the upper die (4).