CN213856579U

CN213856579U - Refrigerator slide rail cutting die with scrap jumping prevention function

Info

Publication number: CN213856579U
Application number: CN202022699316.8U
Authority: CN
Inventors: 蒋业华; 黄方勇
Original assignee: Wuxi Shuyang Mould Co ltd
Current assignee: Wuxi Shuyang Mould Co ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-08-03
Anticipated expiration: 2030-11-20

Abstract

The utility model relates to a mould, refrigerator slide rail cutting die with prevent jumping waste material function specifically says so. The die comprises a lower die base and an upper die base. The lower die base is provided with a first lower die plate, and the upper surface of the first lower die plate is provided with two first horizontal grooves. A first upper stripping plate is arranged below the upper die base, and an upper die spring is arranged between the first upper stripping plate and the upper die base. The corresponding positions of the first upper stripping plate and the first lower template are provided with a cutting through groove, the cutting through groove is perpendicular to the first horizontal groove, a cutting knife is arranged in the cutting through groove of the first upper stripping plate, the upper end of the cutting knife is fixed on the upper die base, and a first blanking channel is arranged on the lower die base corresponding to the cutting through groove. The cutting-off tool is characterized in that the tool bit of the cutting-off tool is wavy. The cutting die is smooth in production, the die is not easy to damage, and the product rejection rate is low.

Description

Refrigerator slide rail cutting die with scrap jumping prevention function

Technical Field

The utility model relates to a mould, refrigerator slide rail cutting die that has the waste material function of preventing jumping that is used for cutting off the semi-manufactured goods of refrigerator slide rail specifically says so.

Background

As is well known, a refrigerator has drawers for holding articles in a cabinet, and the drawers are connected to the cabinet by a slide rail of the refrigerator. The refrigerator slide rail includes backup pad 111, all has kink 112 on two long sides of backup pad 111, and that the kink long side of keeping away from the strip shaped plate has turn-ups 113. The refrigerator sliding rail is formed by using a section bar as a supporting plate, rolling bent parts and turned edges on two sides of the section bar by adopting a rolling process to obtain a semi-finished product, and then cutting the semi-finished product through a die.

At present, a traditional refrigerator slide rail rolling cutting die comprises a lower die holder and an upper die holder. The lower die base is provided with a lower die plate which is horizontally arranged, two horizontal grooves which are used for placing two bending edges of the refrigerator slide rail are arranged on the upper surface of the lower die plate in parallel side by side, and two ends of each horizontal groove are respectively located on a group of opposite side walls of the lower die plate, so that two ends of each first horizontal groove are both open. An upper stripping plate is horizontally arranged below the upper die base, the upper stripping plate and the upper die base are in up-down sliding fit, and an upper die spring is arranged between the upper stripping plate and the upper die base. The upper stripper plate is located above the lower template, the corresponding positions of the upper stripper plate and the lower template are provided with cutting through grooves, the cutting through grooves are perpendicular to the first horizontal grooves and located between the two first horizontal grooves, a cutting knife is arranged in each cutting through groove of the upper stripper plate, the upper end of each cutting knife is fixed on the upper die base, the cutting knife is in sliding fit with the cutting through grooves, and a first blanking channel is arranged on the lower die base corresponding to the cutting through grooves. The cutter head of the cutting knife in the cutting die is flat, so that waste materials jump to the lower die plate or are clamped on the lower die plate when the cutting die is cut off, a semi-finished product cannot normally enter the next stamping process through the cutting die, the production is not smooth, the die can be damaged, the product is scratched and crushed, and the product rejection rate is high.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a refrigerator slide rail cutting die with prevent jumping the waste material function, adopt this cutting die production smooth and easy, the mould is not fragile, and the product disability rate is lower.

In order to solve the problems, the following technical scheme is provided:

the utility model discloses a refrigerator slide rail cutting die with prevent jumping waste material function includes die holder and upper die base. The lower die holder is provided with a first lower die plate which is horizontally arranged, two first horizontal grooves used for placing two bending edges of the refrigerator slide rail are arranged on the upper surface of the first lower die plate in parallel side by side, and two ends of each first horizontal groove are located on a group of opposite side walls of the first lower die plate respectively, so that two ends of each first horizontal groove are both open. A first upper stripping plate is horizontally arranged below the upper die base, the first upper stripping plate is in up-and-down sliding fit with the upper die base, and an upper die spring is arranged between the first upper stripping plate and the upper die base. The first upper stripper plate is located above the first lower die plate, the cutting through grooves are formed in the corresponding positions of the first upper stripper plate and the first lower die plate and perpendicular to the first horizontal grooves, the cutting through grooves are located between the two first horizontal grooves, a cutting knife is arranged in each cutting through groove of the first upper stripper plate, the upper end of each cutting knife is fixed to the upper die base, the cutting knives and the cutting through grooves are in sliding fit, and a first blanking channel is formed in the lower die base corresponding to the cutting through grooves. The cutting-off tool is characterized in that the tool bit of the cutting-off tool is wavy.

The first lower template is provided with a first yielding port, a first inlet block is arranged in the first yielding port, the first horizontal groove penetrates through the first inlet block, and the section shape of the section of the first horizontal groove in the first inlet block is matched with the section shape of the bent part of the refrigerator slide rail; and the cutting through groove on the first lower template is positioned on the first inlet block.

The lower die base and the upper die base are both in a long strip shape, and the first lower die plate and the first upper stripper plate are located between one ends of the lower die base and the upper die base. And the pre-cutting mechanism is used for cutting off the flanging of the bent part of the refrigerator slide rail between the other ends of the lower die holder and the upper die holder.

The pre-cutting mechanism comprises a second lower template which is horizontally arranged, the second lower template is fixed on a lower die base, the second lower template is equal to the first lower template in height, a second upper stripping plate which is horizontally arranged is arranged above the second lower template, the second upper stripping plate is in up-down sliding fit with the upper die base, an upper die spring is also arranged between the second upper stripping plate and the upper die base, and the second upper stripping plate is equal to the first upper stripping plate in height. And the upper surface of the second lower template corresponding to the first horizontal groove is provided with a second horizontal groove, and the two ends of the second horizontal groove are respectively positioned on a group of opposite side walls of the second lower template, so that the two ends of the second horizontal groove are both in an open shape. There is the opening on that section second lower bolster between two horizontal recesses of second, and the opening is linked together with two horizontal recesses, has the movable block in the opening, and the movable block lateral wall upper portion that the horizontal recess of second corresponds all has the turn-ups cutter. The lower die base below the opening is provided with a pit, a cushion block is arranged in the pit, the movable block is fixed on the cushion block, a lower die spring is arranged between the cushion block and the bottom of the pit, and the cushion block corresponding to the flanging cutter and the lower die base are both provided with second blanking channels. The upper die base above the cushion block is provided with a push rod, and the second upper stripper plate and the second lower die plate corresponding to the push rod are provided with abdicating holes.

A second yielding port is formed in the second lower template, a second inlet block is arranged in the second yielding port, the second horizontal groove penetrates through the second inlet block, and the section shape of the section of the second horizontal groove on the second inlet block is matched with the section shape of the bent part of the refrigerator slide rail; the opening is positioned on the second inlet block.

By adopting the scheme, the method has the following advantages:

because the utility model discloses a refrigerator slide rail cutting die with prevent jumping waste material function including die holder and upper die base, there is first lower die plate on the die holder, there are two first horizontal recesses on the upper surface of first lower die plate, there is the first board that takes off of the below of upper die base level arrangement, there is last mould spring between first board and the upper die base of taking off, first board that takes off is located the top of first lower die plate, the relevant position department of first board and the first lower die plate of taking off all has the logical groove of cutting off on the first, the logical inslot that cuts off of first board of taking off has the cutting off sword, the upper end of cutting off sword is fixed on the upper die base, there is first blanking passageway on the die holder that the logical groove corresponds of cutting off, the tool bit of cutting off sword is the wave. When the cutting die works, the cutting knife moves downwards, the convex part of the cutter head contacts with the semi-finished product before cutting the waste, at the moment, the waste is still connected with the semi-finished product, so that the material cannot jump, the cutting knife moves downwards continuously, the concave part of the cutter head contacts with the semi-finished product, the waste is generated again, at the moment, the convex part of the cutter head reaches the lowest point, and the waste in the concave part of the cutter head cannot jump under the limit of the waste in the convex part of the cutter head. Therefore, the material jumping phenomenon can be avoided by adopting the cutting die, so that the semi-finished product can enter the next stamping procedure through the cutting die, and the production is smooth. In addition, the mould can not be damaged, the problem that the product is scratched and crushed is avoided, and the rejection rate of the product is greatly reduced.

Drawings

FIG. 1 is a schematic structural diagram of a sliding rail of a refrigerator in the background art;

FIG. 2 is a schematic structural view of a refrigerator slide rail cutting mold with scrap-jumping prevention function according to the present invention;

FIG. 3 is a schematic sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic structural view of a cutting knife in the cutting die for the sliding rail of the refrigerator with the function of preventing the waste material from jumping;

FIG. 5 is a schematic structural view of a movable block in the cutting die of the refrigerator slide rail with scrap-jumping prevention function of the present invention;

fig. 6 is the utility model discloses a lower bolster's in refrigerator slide rail cutting die with prevent jumping waste material function structural schematic.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 2 to 6, the refrigerator slide rail cutting die with the scrap jumping prevention function comprises a lower die holder 1 and an upper die holder 4. The lower die holder 1 is provided with a first lower die plate 7 which is horizontally arranged, two first horizontal grooves 18 which are used for placing two bending edges of a refrigerator sliding rail are arranged on the upper surface of the first lower die plate 7 in parallel side by side, and two ends of each first horizontal groove 18 are respectively positioned on a group of opposite side walls of the first lower die plate 7, so that two ends of each first horizontal groove 18 are both open. A first upper stripping plate 6 is horizontally arranged below the upper die base 4, the first upper stripping plate 6 is in up-down sliding fit with the upper die base 4, and an upper die spring 5 is arranged between the first upper stripping plate 6 and the upper die base 4. The first upper stripper plate 6 is located above the first lower die plate 7, the corresponding positions of the first upper stripper plate 6 and the first lower die plate 7 are provided with a cutting through groove 19, the cutting through groove 19 is perpendicular to the first horizontal groove 18, the cutting through groove 19 is located between the two first horizontal grooves 18, a cutting knife 8 is arranged in the cutting through groove 19 of the first upper stripper plate 6, the upper end of the cutting knife 8 is fixed on the upper die base 4, the cutting knife 8 is in sliding fit with the cutting through groove 19, and a first blanking channel is arranged on the lower die base 1 corresponding to the cutting through groove 19. The cutter head of the cutting-off cutter 8 is wavy.

The first lower template 7 is provided with a first yielding port, a first entering block 20 is arranged in the first yielding port, the first horizontal groove 18 penetrates through the first entering block 20, and the section shape of the section of the first horizontal groove 18 in the first entering block 20 is matched with the section shape of the bent part of the refrigerator slide rail. The cut-off through groove 19 of the first lower template 7 is positioned on the first insert 20.

The lower die holder 1 and the upper die holder 4 are both in a long strip shape, and the first lower die plate 7 and the first upper stripper plate 6 are positioned between one ends of the lower die holder 1 and the upper die holder 4. And the pre-cutting mechanism is used for cutting off the flanging of the bent part of the refrigerator slide rail between the other ends of the lower die holder 1 and the upper die holder 4.

The pre-cutting mechanism comprises a second lower template 2 which is horizontally arranged, the second lower template 2 is fixed on a lower die holder 1, the second lower template 2 is equal to the first lower template 7 in height, a second upper stripping plate 3 which is horizontally arranged is arranged above the second lower template 2, the second upper stripping plate 3 is in upper and lower sliding fit with an upper die holder 4, an upper die spring 5 is also arranged between the second upper stripping plate 3 and the upper die holder 4, and the second upper stripping plate 3 is equal to the first upper stripping plate 6 in height. The upper surface of the second lower template 2 corresponding to the first horizontal groove 18 is provided with a second horizontal groove 17, and two ends of the second horizontal groove 17 are respectively positioned on a group of opposite side walls of the second lower template 2, so that two ends of the second horizontal groove 17 are both open. There is the opening on that section second lower bolster 2 between two horizontal grooves 17 of second, and the opening is linked together with two horizontal grooves, has movable block 13 in the opening, and the movable block 13 lateral wall upper portion that the horizontal groove 17 of second corresponds all has turn-ups cutter 14. There is pit 10 on the die holder 1 of opening below, has cushion 9 in the pit 10, movable block 13 is fixed on cushion 9, has lower mould spring 11 between the bottom of cushion 9 and pit 10, all have second blanking passageway 12 on cushion 9 and the die holder 1 that turn-ups cutter 14 corresponds. A push rod 15 is arranged on the upper die base 4 above the cushion block 9, and the second upper stripper plate 3 and the second lower die plate 2 corresponding to the push rod 15 are provided with yielding holes.

And a second yielding port is formed in the second lower template 2, a second inlet block 16 is arranged in the second yielding port, the second horizontal groove 17 penetrates through the second inlet block 16, and the section shape of the section of the second horizontal groove 17 positioned on the second inlet block 16 is matched with the section shape of the bent part of the refrigerator slide rail. The opening is located on the second insert 16.

When in use, the die is arranged on a punching machine of a refrigerator slide rail production line. During the primary work, the semi-finished product after rolling firstly enters between the two second horizontal grooves 17; then, the punching machine drives the upper die holder 4 to move downwards, the second upper stripping plate 3 abuts against the second lower die plate 2, the upper die holder 4 continues to move downwards, the second upper stripping plate 3 and the first upper stripping plate 6 move upwards, the upper die spring 5 is compressed, the push rod 15 penetrates through the second upper stripping plate 3 and the second lower die plate 2 to push the cushion block 9 and the movable block 13 to move downwards, the lower die spring 11 is compressed, the flanging cutter 14 cuts the flanging of the semi-finished product in the downward process, and the actions of the first lower die plate 7 and the first upper stripping plate 6 are idle because the semi-finished product does not yet reach the two first horizontal grooves 18. Then, the punching machine drives the upper die holder 4 to reset.

When the continuous work is carried out subsequently, the semi-finished product advances a specific distance, the semi-finished product enters between the two first horizontal grooves 18, and the flanging cutting position is positioned below the cutting knife 8; then, the punching machine drives the upper die holder 4 to move downwards, the second upper stripping plate 3 abuts against the second lower die plate 2, the upper die holder 4 continues to move downwards, the second upper stripping plate 3 and the first upper stripping plate 6 move upwards, the upper die spring 5 is compressed, the push rod 15 penetrates through the second upper stripping plate 3 and the second lower die plate 2 to push the cushion block 9 and the movable block 13 to move downwards, the lower die spring 11 is compressed, the flanging cutter 14 cuts the flanging of the semi-finished product in the downward process, and meanwhile, the cutting cutter 8 penetrates through the first upper stripping plate 6 to cut off the front face and the flanging of the semi-finished product; and finally, the punching machine drives the upper die holder 4 to reset, and the first upper stripping plate 6 and the second upper stripping plate 3 reset under the action of the upper die spring 5 to complete one-time cutting.

Claims

1. The refrigerator slide rail cutting die with the scrap jumping prevention function comprises a lower die holder (1) and an upper die holder (4); the lower die holder (1) is provided with a first lower die plate (7) which is horizontally arranged, two first horizontal grooves (18) used for placing two bent edges of a refrigerator sliding rail are arranged on the upper surface of the first lower die plate (7) in parallel side by side, and two ends of each first horizontal groove (18) are respectively positioned on a group of opposite side walls of the first lower die plate (7), so that two ends of each first horizontal groove (18) are open; a first upper stripping plate (6) which is horizontally arranged is arranged below the upper die holder (4), the first upper stripping plate (6) is in up-and-down sliding fit with the upper die holder (4), and an upper die spring (5) is arranged between the first upper stripping plate (6) and the upper die holder (4); the first upper stripping plate (6) is located above the first lower template (7), cutting through grooves (19) are formed in corresponding positions of the first upper stripping plate (6) and the first lower template (7), the cutting through grooves (19) are perpendicular to the first horizontal grooves (18), the cutting through grooves (19) are located between the two first horizontal grooves (18), cutting knives (8) are arranged in the cutting through grooves (19) of the first upper stripping plate (6), the upper ends of the cutting knives (8) are fixed on the upper die base (4), the cutting knives (8) are in sliding fit with the cutting through grooves (19), and first blanking channels are formed in the lower die base (1) corresponding to the cutting through grooves (19); it is characterized in that the cutter head of the cutting-off cutter (8) is wavy.

2. The cutting die for the refrigerator sliding rail with the scrap jumping prevention function according to claim 1, wherein the first lower template (7) is provided with a first abdicating hole, the first abdicating hole is provided with a first inlet block (20), the first horizontal groove (18) penetrates through the first inlet block (20), and the cross-sectional shape of the section of the first horizontal groove (18) in the first inlet block (20) is matched with the cross-sectional shape of the bent portion of the refrigerator sliding rail; and the cutting through groove (19) on the first lower template (7) is positioned on the first insert (20).

3. The refrigerator slide rail cutting die with the scrap jumping prevention function according to claim 1 or 2, wherein the lower die holder (1) and the upper die holder (4) are both long, and the first lower template (7) and the first upper stripper plate (6) are located between one ends of the lower die holder (1) and the upper die holder (4); and the pre-cutting mechanism is used for cutting off the flanging of the bent part of the refrigerator slide rail between the other ends of the lower die holder (1) and the upper die holder (4).

4. The refrigerator sliding rail cutting die with the scrap jumping prevention function according to claim 3, wherein the pre-cutting mechanism comprises a second lower template (2) which is horizontally arranged, the second lower template (2) is fixed on the lower die holder (1), the second lower template (2) and the first lower template (7) have the same height, a second upper stripper plate (3) which is horizontally arranged is arranged above the second lower template (2), the second upper stripper plate (3) and the upper die holder (4) are in up-and-down sliding fit, an upper die spring (5) is also arranged between the second upper stripper plate (3) and the upper die holder (4), and the second upper stripper plate (3) and the first upper stripper plate (6) have the same height; second horizontal grooves (17) are formed in the upper surface of the second lower template (2) corresponding to the first horizontal grooves (18), and two ends of each second horizontal groove (17) are located on a group of opposite side walls of the second lower template (2) respectively, so that two ends of each second horizontal groove (17) are open; an opening is formed in the section of the second lower template (2) between the two second horizontal grooves (17), the opening is communicated with the two horizontal grooves, a movable block (13) is arranged in the opening, and flanging cutters (14) are arranged on the upper portions of the side walls of the movable block (13) corresponding to the second horizontal grooves (17); a pit (10) is formed in the lower die holder (1) below the opening, a cushion block (9) is arranged in the pit (10), the movable block (13) is fixed on the cushion block (9), a lower die spring (11) is arranged between the cushion block (9) and the bottom of the pit (10), and a second blanking channel (12) is formed in the cushion block (9) and the lower die holder (1) corresponding to the flanging cutter (14); push rods (15) are arranged on the upper die base (4) above the cushion block (9), and the second upper stripper plate (3) and the second lower die plate (2) corresponding to the push rods (15) are provided with yielding holes.

5. The refrigerator slide rail cutting die with the scrap jumping prevention function according to claim 4, wherein a second relief opening is formed in the second lower template (2), a second inlet block (16) is arranged in the second relief opening, the second horizontal groove (17) penetrates through the second inlet block (16), and the section shape of the section of the second horizontal groove (17) on the second inlet block (16) is matched with the section shape of the bent part of the refrigerator slide rail; the opening is located on the second insert (16).