CN203955857U - An upward punching die for the side panel of the chassis - Google Patents

Abstract

The utility model discloses an upward punching die for a side plate of a case, which comprises an upper die and a lower die, wherein the upper die comprises an upper die base, an upper clamping plate and an upper die plate, and a stripper plate is arranged in the upper die plate; the lower die comprises a lower die base, an outer clamping plate and an outer stripping plate, wherein a lower die plate is arranged in the outer stripping plate, and the case side plate is buckled on the lower die plate; the stripper plate, the punch plate is equipped with tablet and stores the hole, the lower bolster, the punch plate is equipped with the drift hole, the upper die base is provided with the elasticity post, the lower die base is provided with down the elasticity post, be provided with the drift in the drift hole, be provided with the curb plate locating hole on the quick-witted case curb plate, the stripper plate is provided with the stripper plate hole of stepping down, the lower bolster is provided with the lower bolster reference column, the lower bolster reference column passes the curb plate locating hole and corresponds with the stripper plate hole of stepping down, the drift corresponds with treating punching a hole of quick-witted case curb plate, the bottom that is located the tablet storage hole of stripper plate is the. The upward punching die can improve the punching yield, and the waste materials are easy to treat, so that the side plate of the case cannot be damaged.

Description

An upward punching die for the side panel of the chassis

technical field

The utility model relates to the technical field of stamping processing, in particular to an upward punching die used for a side plate of a case.

Background technique

The stamping process is often used in the metal processing process, and the stamping process is widely used, such as automobiles, airplanes, tractors, motors, electrical appliances, instruments, railways, post and telecommunications, chemicals and light industrial daily products occupy a considerable scale.

At present, there are many forming and stretching on the market, and the side hole is usually completed by side punching, which has a high defect rate and high cost, and it is not easy to blank.

Utility model content

The purpose of the utility model is to provide an upward punching die for the side plate of the case, which can improve the punching yield, and the waste material is easy to handle and will not damage the side plate of the case.

For this purpose, the utility model adopts the following technical solutions:

An upward punching die for a chassis side plate, comprising an upper die and a lower die correspondingly arranged below the upper die, the upper die includes an upper die base, an upper splint, and an upper template from top to bottom , the upper mold base, the upper splint and the upper template are sequentially connected, the upper template is provided with a stripping plate; the lower mold includes a lower mold base, an outer splint, and an outer stripping plate from bottom to top, The lower mold base, the outer clamping plate and the outer stripping plate are connected in turn, the outer stripping plate is provided with a lower template higher than the outer stripping plate, the side plate of the cabinet is buckled on the lower template and Placed between the lower template and the stripper plate; the stripper plate and the upper splint are provided with sheet storage holes, and the lower template and the outer splint are provided with punch holes. The upper mold base is provided with an upper elastic column that can reciprocate in the storage hole of the tablet under the action of an external force, and the lower mold base is provided with a lower elastic column that can reciprocate in the punch hole under the action of an external force, The punch hole is provided with a punch, the side plate of the chassis is provided with a side plate positioning hole, the stripping plate is provided with a stripping plate relief hole, and the lower template is provided with a lower template positioning column, so The positioning column of the lower template passes through the positioning hole of the side plate and corresponds to the relief hole of the stripper plate, the punch corresponds to the hole to be punched on the side plate of the chassis, and the outer diameter of the punch is larger than The inner diameter of the hole to be punched is smaller than 0.02 mm, the inner diameter of the tablet storage hole is smaller than the inner diameter of the punch hole, and the bottom end of the tablet storage hole located on the stripping plate is outwardly opened The trumpet-shaped opening, the opening angle of the trumpet-shaped opening is 100 degrees to 150 degrees; when punching upwards, after the upper mold and the lower mold are closed, the punch will The upward movement under the upward action punches out the hole to be punched and squeezes the washed-off material into the material storage hole. After the upper mold and the lower mold are opened, the side of the chassis is removed. plate, and the tablet is extruded under the downward action of the upper elastic column.

Wherein, the upper die also includes an upper supporting plate connected with the press, an upper pad is provided at the bottom of the upper supporting plate, and the upper supporting plate, the upper pad and the upper die base are connected as a whole .

Wherein, the lower die also includes a lower pallet connected to the press, a lower pad is provided on the top of the lower pallet, the lower pallet is connected with the lower pad as a whole, and the lower pad It is connected with the lower mold base as a whole.

Wherein, the depth of the trumpet-shaped opening is twice the thickness of the tablet.

Wherein, the opening angle of the trumpet-shaped opening is 120 degrees.

Wherein, both the upper elastic column and the lower elastic column are connected to the driving device of the press.

The beneficial effects of the utility model are:

In the upward punching die for the side plate of the chassis of the utility model, a sheet storage hole is opened through the stripping plate and the upper splint, and a punch hole is opened through the lower template and the outer splint. , the upper mold base is provided with an upper elastic column that can reciprocate in the storage hole of the tablet under the action of an external force, and the lower mold base is provided with a lower elastic column that can reciprocate in the punch hole under the action of an external force The punch hole is provided with a punch, the side plate of the chassis is provided with a side plate positioning hole, the stripper plate is provided with a stripping plate relief hole, and the lower template is provided with a lower template positioning column , the positioning column of the lower template passes through the positioning hole of the side plate and corresponds to the relief hole of the stripper plate, the punch corresponds to the hole to be punched in the side plate of the chassis, and the outer surface of the punch The diameter is 0.02mm smaller than the inner diameter of the hole to be punched, the inner diameter of the tablet storage hole is smaller than the inner diameter of the punch hole, and the bottom end of the tablet storage hole located on the stripping plate is outward The open trumpet-shaped opening, the opening angle of the trumpet-shaped opening is 100 degrees to 150 degrees; when punching upwards, after the upper die and the lower die are closed, the punch will Under the upward action of the elastic column, the upward movement punches out the hole to be punched and squeezes the washed-out tablet into the tablet storage hole, and places it stably by the extrusion of the tablet storage hole and the tablet, so that It can avoid scratches or scratches on the surface of the side panel of the chassis caused by the material falling directly on the surface of the side panel of the chassis after punching upwards, ensuring the surface quality of the side panel of the chassis and improving the punching yield; the horn-shaped opening is formed The abdication of the punch can prevent the punch from causing damage to the stripping plate when the punch moves upward with the material sheet; after the upper mold and the lower mold are opened, the side plate of the chassis is removed, and the material The sheet is extruded under the downward action of the upper elastic column, and it is cleaned up, and because the sheet storage hole is longer, it can store multiple punched sheets, and each new punched sheet will Squeeze the blanks after the previous punching, and push them up one by one to pile up. When the punching is intermittent or the piled up is large, it can be cleaned up at one time, which makes the waste easy to handle, and can greatly reduce the operation steps and workers. labor intensity.

Description of drawings

Fig. 1 is a structural schematic diagram of a machined side plate of the utility model.

Fig. 2 is a schematic structural view of the upward punching die used for the side plate of the chassis of the present invention.

Fig. 3 is a schematic structural view of the release plate in Fig. 2 .

FIG. 4 is a schematic structural diagram of the lower template in FIG. 2 .

In the figure: 100-chassis side panel; 1001-hole to be punched; 1002-side panel positioning hole;

1-upper pallet; 2-upper block; 3-upper mold base; 4-upper splint; 5-upper template; 6-stripping plate; 7-lower template; 8-outer splint; 10-lower cushion block; 11-lower supporting plate; 12-upper elastic column; 13-sheet storage hole; 14-punch; 15-lower elastic column; 16-punch hole; ; 71 - the positioning column of the lower formwork.

Detailed ways

The technical scheme of the utility model will be further described below in conjunction with the accompanying drawings and through specific embodiments.

As shown in FIG. 1 , it is a structural schematic diagram of the chassis side plate to be processed of the present invention. In this embodiment, it is necessary to punch upward at the hole 1001 to be punched. As shown in Figures 2 to 4, the structural schematic diagrams of the upward punching die for the side plate of the chassis of the present invention are shown.

Specifically, an upward punching die for a side plate of a chassis includes an upper die and a lower die correspondingly arranged below the upper die, the upper die includes an upper die base 3, an upper clamping plate 4, an upper die base from top to bottom Template 5, upper mold base 3, upper splint 4 are connected with upper template 5 in turn, upper template 5 is provided with a stripping plate 6; lower mold includes lower mold base 9, outer splint 8, outer stripping plate, lower The mold base 9, the outer splint 8 and the outer stripping plate are sequentially connected, and the lower template 7 higher than the outer stripping plate is arranged in the outer stripping plate, and the side plate 100 of the cabinet is fastened on the lower template 7 and placed on the lower template 7 and the stripping plate. Between the plates 6; the stripping plate 6 and the upper splint 4 are provided with sheet storage holes 13, the lower template 7 and the outer splint 8 are provided with punch holes 16, and the upper die base 3 is provided with a device that can reciprocate under the action of external force. The upper elastic column 12 in the tablet storage hole 13, the lower mold base 9 is provided with a lower elastic column 15 that can reciprocate in the punch hole 16 under the action of an external force, the punch hole 16 is provided with a punch 14, the side plate of the cabinet 100 is provided with a side plate positioning hole 1002, the stripping plate 6 is provided with a stripping plate relief hole 61, and the lower template 7 is provided with a lower template positioning column 71, and the lower template positioning column 71 passes through the side plate positioning hole 1002 and is connected with the stripping plate. The material plate relief hole 61 corresponds, the punch 14 corresponds to the hole 1001 to be punched in the side plate 100 of the chassis, and the outer diameter of the punch 14 is 0.02 mm smaller than the inner diameter of the hole 1001 to be punched, and the inner diameter of the blank storage hole 13 is smaller than the punched hole 1001. The inner diameter of the head hole, and the bottom end of the sheet storage hole 13 positioned at the stripper plate 6 is a trumpet-shaped opening that flares outwards, and the opening angle of the trumpet-shaped opening is 100 degrees to 150 degrees; when punching upwards, After the upper mold and the lower mold are closed, the punch 14 moves upwards under the upward action of the lower elastic column 15 to open the hole 1001 to be punched and squeeze the punched tablet into the tablet storage hole 13. After the mold is opened, the side plate 100 of the chassis is removed, and the tablet is extruded under the downward action of the upper elastic column 12 .

In the upward punching die used for the side plate of the cabinet of the present utility model, since the outer diameter of the punch 14 is 0.02mm smaller than the inner diameter of the hole 1001 to be punched, the inner diameter of the sheet storage hole 13 is smaller than the inner diameter of the punch hole. When punching holes, after the upper mold and the lower mold are closed, the punch 14 moves upwards under the upward action of the lower elastic column 15 to open the hole 1001 to be punched and squeeze the punched tablet into the tablet storage hole 13, and use the material The extruding effect of sheet storage hole 13 and sheet is placed stably, can avoid like this the sheet directly falls on the surface of cabinet side plate 10 after punching upwards and cause the surface of cabinet side plate 10 to be scratched or scratched, guarantees The surface quality of the side plate 10 of the chassis improves the punching yield; the trumpet-shaped opening forms a place for the punch 14, which can prevent the punch 14 from causing damage to the stripper plate 6 when the punch 14 moves upwards and carries the material quickly; After the mold is opened with the lower mold, the side plate 10 of the chassis is removed, and the blank is extruded under the downward action of the upper elastic column 12, and it is cleaned up, and because the storage hole of the blank is long, it can be stored for many times. Each time the newly punched material will squeeze the last punched material, and it will be pushed up and piled up one by one. When the punching is intermittent or the amount of accumulation is large, it can be cleaned at one time. It makes the waste easy to handle, and can greatly reduce the operation steps and reduce the labor intensity of workers. And in the punching process, use the lower template positioning column 71 to pass through the side plate positioning hole 1002 and correspond to the stripping plate relief hole 61, first use the positioning column 71 to pass through the side plate positioning hole 1002 to realize the positioning of the side plate , to ensure that the hole to be punched 1001 is also aligned with the punch 14, thereby ensuring the positional accuracy of the punching hole, and then aligning the position column 71 of the fixed formwork with the relief hole 61 of the stripper plate to realize the relief for the position column 71 of the lower formwork position, so as to avoid interference between the upper template 5 and the outer stripping plate during punching, further ensure the quality of punching, and ensure that punching can be realized.

Preferably, the depth of the trumpet-shaped opening is twice the thickness of the tablet, and the opening angle of the trumpet-shaped opening is 120 degrees. At this time, the depth of the trumpet-shaped opening is only to meet the needs of giving way, and it can ensure that the punch 14 squeezes the tablet into the tablet storage hole 13. Since the inner diameter of the tablet storage hole 13 is less than the inner diameter of the punch hole, That is to say, the inner diameter of the tablet storage hole 13 will be smaller than the external dimensions of the tablet, so that as long as the tablet enters the entrance of the tablet storage hole 13, it will form a tight fit with the tablet storage hole 13 to realize the fixing of the tablet .

Of course, the bottom of the trumpet-shaped opening can also be provided with an automatic engaging stopper structure, in order to withstand the tablet, so as not to fall out of the tablet storage hole 13, specifically, inside the stripping plate 6, it is perpendicular to the tablet The storage hole 13 is provided with a stop piece capable of lateral reciprocating movement, so that the stop piece is placed parallel to the sheet, the stop piece is connected with a pneumatic pump, the pneumatic pump is connected with the control part of the press, and the control part controls the pneumatic pump at The punch 14 is quickly retracted when punching so that the previously punched tablet is not extruded by the stopper, and the tablet that was punched out last time is pushed into the tablet storage hole 13 by using the tablet punched out this time. At this time, the pneumatic pump controls the stop piece to stretch out and abut against the tablet that is punched out this time, thereby fixing the tablet, and using the tablet to block other tablets that have been pushed into the tablet storage hole 13 . Its structure is simple and easy to implement, which can further ensure that the blank will not fall during the punching process of the upward punching die, and when the blank needs to be cleaned, the pneumatic pump will also control the retraction of the stopper and loosen the outer grip. The extrusion of this tablet makes the tablet rely on the extrusion force between itself and the tablet storage hole 13 to be placed stably. The sheet is pressed down, and can be stored in the storage box to avoid scattering on the lower template, and it is easy to clean.

Wherein, both the upper elastic column 12 and the lower elastic column 15 are connected to the driving device of the press machine.

Further, the upper die also includes an upper pallet 1 connected to the press, an upper pad 2 is arranged at the bottom of the upper pallet 1 , and the upper pallet 1, the upper pad 2 and the upper mold base 3 are connected as one. Further, the lower die also includes a lower pallet 11 connected to the press, the top of the lower pallet 11 is provided with a lower pad 10, the lower pallet 11 is connected with the lower pad 10 as a whole, and the lower pad 10 is connected with the lower mold Seat 9 is connected as one. The upper supporting plate 1 and the lower supporting plate 11 are respectively connected with the press to realize stable placement, and the punching action of the utility model is realized by means of the pressure of the pressing machine.

The technical principles of the present utility model have been described above in conjunction with specific embodiments. These descriptions are only for explaining the principle of the utility model, and cannot be construed as limiting the protection scope of the utility model in any way. Based on the explanations herein, those skilled in the art can think of other specific implementations of the present utility model without creative work, and these forms will all fall within the protection scope of the present utility model.

Claims (6)

1. the upwards punching die for cabinet side board, comprise patrix and the corresponding counterdie that is arranged at the below of described patrix, it is characterized in that, described patrix comprises upper bolster (3), train wheel bridge (4), cope match-plate pattern (5) from top to bottom, described upper bolster (3), described train wheel bridge (4) are connected successively with described cope match-plate pattern (5), are provided with stripper plate (6) in described cope match-plate pattern (5), described counterdie comprises die shoe (9), external splint (8), outer de-plate from the bottom to top, described die shoe (9), described external splint (8) are connected successively with described outer de-plate, in described outer de-plate, be provided with the lower bolster (7) higher than described outer de-plate, cabinet side board (100) button is located at described lower bolster (7) and is gone up and be placed between described lower bolster (7) and described stripper plate (6), described stripper plate (6), described train wheel bridge (4) connects and offers tablet storage holes (13), described lower bolster (7), described external splint (8) all connects and offers bore of the punch (16), described upper bolster (3) be provided with can be under external force the reciprocal upper elastic (12) in described tablet storage holes (13), described die shoe (9) be provided with can be under external force the reciprocal lower elastic (15) in described bore of the punch (16), in described bore of the punch (16), be provided with drift (14), on described cabinet side board (100), be provided with side plate locating hole (1002), described stripper plate (6) is provided with stripper plate resigning hole (61), described lower bolster (7) is provided with lower bolster locating dowel (71), described lower bolster locating dowel (71) is through described side plate locating hole (1002) corresponding with described stripper plate resigning hole (61), described drift (14) treats that with described cabinet side board (100) punching (1001) is corresponding, and described in the external diameter of described drift (14) ratio, treat the little 0.02mm of internal diameter of punching (1001), the internal diameter of described tablet storage holes (13) is less than the internal diameter of described bore of the punch, and the bottom that is positioned at the described tablet storage holes (13) of described stripper plate (6) is the flaring opening outwards opening, the subtended angle of described flaring opening is 100 degree to 150 degree, while making progress punching, after described patrix and described counterdie matched moulds, described drift (14) moves upward described in washing open and treats punching (1001) and the tablet washing out is clamp-oned in described tablet storage holes (13) under the upwards effect of described lower elastic (15), after described patrix and described counterdie die sinking, remove described cabinet side board (100), under the downward effect of described tablet elastic (12) on described, extrude.

2. the upwards punching die for cabinet side board according to claim 1; it is characterized in that; described patrix also comprises the mounting plate (1) being connected with forcing press; the bottom of described mounting plate (1) is provided with cushion block (2), and described mounting plate (1), described upper cushion block (2) connect as one with described upper bolster (3).

3. the upwards punching die for cabinet side board according to claim 1; it is characterized in that; described counterdie also comprises the bottom plate (11) being connected with forcing press; the top of described bottom plate (11) is provided with lower cushion block (10); described bottom plate (11) connects as one with described lower cushion block (10), and described lower cushion block (10) connects as one with described die shoe (9).

4. the upwards punching die for cabinet side board according to claim 1, is characterized in that the twice of the thickness that the degree of depth of described flaring opening is described tablet.

5. the upwards punching die for cabinet side board according to claim 1, is characterized in that, the subtended angle of described flaring opening is 120 degree.

6. the upwards punching die for cabinet side board according to claim 1, is characterized in that, described upper elastic (12) and described lower elastic (15) be the drive unit of Bonding pressure machine all.