CN223718113U - Stamping die for corner plates of outer threshold of automobile - Google Patents

Abstract

This utility model discloses a stamping die for an automotive outer door sill plate, comprising a base plate, a top plate, a lower die plate, and an upper die plate. A guide post is fixedly mounted on the base plate, and the top plate is slidably connected to the guide post. The upper die plate is fixedly connected to the top plate, and the upper and lower die plates are located between the top and base plates. A punching punch is fixedly connected to the base plate, and a punching die is fixedly mounted on the upper die plate. The punching die has a die hole that mates with the punching punch. A lower punch is fixedly mounted on the lower die plate, and the upper die plate has a die groove that mates with the lower punch. An elastic support block is provided between the base plate and the lower die plate. The beneficial effects of this utility model are: preventing the workpiece from sliding on the punching punch, thereby effectively ensuring the accurate relative position of the punching position on the workpiece and the material inserted into the die groove, effectively improving the punching accuracy and achieving the advantage of high punching precision.

Description

Stamping die for corner plates of outer threshold of automobile

Technical Field

The utility model relates to the technical field of stamping dies, in particular to an automobile outer threshold angle plate stamping die.

Background

The rocker plate, namely the decorative parts arranged in the two sides of the vehicle door and on the two sides of the vehicle body, mainly has the functions of beautifying the vehicle body, protecting the vehicle body from being rubbed and the like, and is generally manufactured by stamping stainless steel plates.

The Chinese patent publication No. CN215467523U discloses a processing die of an outer threshold angle plate, which comprises an installation table, wherein an installation frame and a lower die are installed at the top of the installation table, an upper die is installed on the installation frame, the upper die is positioned right above the lower die and matched with the lower die, the upper die comprises an upper die seat installed on the installation frame through a hydraulic cylinder, a forming female die and a punching male die installed on the bottom surface of the upper die seat, and the lower die comprises a lower die seat installed on the top surface of the installation table and a forming male die installed on the top of the lower die seat. The utility model has reasonable structure and simple operation, can avoid the deformation of the shape surface of the punching position at the processed outer threshold angle plate, can conveniently collect the waste generated by punching, and is easy to popularize and use.

Above-mentioned processing mould of outer threshold angle board when using, goes up mould and lower mould extrusion work piece, and the work piece can appear stretching to a certain extent, leads to the position that needs to punch a hole to appear the displacement of material, causes the technical problem that punching precision reduces.

Disclosure of utility model

In order to solve the technical problems, the utility model aims to provide an automobile outer threshold angle plate stamping die which comprises a bottom plate, a top plate, a lower die plate and an upper die plate.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

The utility model provides an automobile outer threshold angle plate stamping die, includes bottom plate, roof, lower bolster and cope match-plate pattern, bottom plate fixed mounting has the guide post, roof and guide post sliding connection, cope match-plate pattern and roof fixed connection, cope match-plate pattern and lower bolster are located between roof and the bottom plate, bottom plate fixedly connected with punch a hole, the lower bolster is equipped with the through-hole that supplies the punch a hole to pass, cope match-plate pattern fixed mounting has the die that punches a hole, the die that punches a hole is equipped with punch a hole matched with die hole, lower bolster fixed mounting has lower punch, the cope match-plate pattern is equipped with lower punch complex die groove, be equipped with the elastic support piece between bottom plate and the lower bolster, the thickness of elastic support piece equals the length of punch a hole with the lower bolster sum of thickness of lower bolster, cope match-plate pattern lower surface and die lower surface parallel and level.

By the arrangement, the workpiece is prevented from sliding on the punching male die, so that the accuracy of the punching position on the workpiece and the relative position of the material clamped into the female die groove can be effectively ensured, the punching precision is effectively improved, and the advantage of higher punching precision is achieved.

Preferably, the bottom plate is fixedly connected with a positioning block, and the lower surface of the elastic supporting block is matched with the positioning block.

By the arrangement, the lower end of the elastic supporting block is positioned.

Preferably, the lower template is fixedly connected with a positioning plate, and the upper surface of the elastic supporting block is matched with the positioning plate.

By the arrangement, the upper end of the elastic supporting block is positioned.

Preferably, the punching male die sleeve is provided with an elastic supporting sleeve, and the length of the elastic supporting sleeve is equal to the thickness of the elastic supporting block.

By such arrangement, the stability of the lower die plate is improved.

Preferably, the bottom plate is fixedly connected with a limiting plate, and a movable gap is arranged between the limiting plate and the lower template.

By the arrangement, the workpiece can be accurately attached to the die groove.

Preferably, a first interval is arranged between the limiting plate and the elastic supporting block, and a second interval is arranged between the limiting plate and the elastic supporting sleeve.

By the arrangement, the elastic supporting block and the elastic supporting sleeve are prevented from being blocked by the limiting plate.

Preferably, the upper die plate is provided with a discharge groove communicated with the female die hole.

By this arrangement, the waste is prevented from falling onto the lower die plate to affect the next processing.

Preferably, the punching die is provided with an inclined groove communicated with the discharge groove, one end of the inclined groove away from the die hole is inclined downwards, one end of the discharge groove, which is close to the die hole, is provided with a guide surface, and the upper end of the guide surface is inclined towards the inclined groove.

By the arrangement, the waste material can enter the inclined groove through the discharge groove and slide out of the upper die plate and the punching female die along the inclined groove.

Preferably, the punching female die is slidably connected with a snap fastener extending into the female die hole, one end of the snap fastener, which is close to the female die hole, is provided with an inclined surface which is in butt joint with the punching male die, and the distance between the upper end of the inclined surface and the lower surface of the punching female die is smaller than the maximum height of the movable gap.

By the arrangement, the elastic buckle can not block the punching male die from being inserted into the female die hole.

Preferably, the punching female die is in threaded connection with a screw plug, a spring is arranged between the screw plug and the elastic buckle, and two ends of the spring are respectively clamped with one end of the elastic buckle, which is far away from the female die hole, and the screw plug.

By this arrangement, the snap fastener can extend into the female die hole and retain the waste material in the female die hole.

Compared with the prior art, the utility model has the beneficial technical effects that:

The workpiece is extruded into the concave die groove and clamped in the concave die groove, so that the workpiece can be effectively prevented from shifting, the workpiece at the punching male die is kept stable, and the workpiece is prevented from sliding on the punching male die. Because cope match-plate pattern lower surface and die lower surface parallel and level punches a hole, the in-process that the die that punches a hole promotes work piece and lower bolster down moved, the die that punches a hole can press from both sides the work piece clamp of punch a hole punch department with the lower bolster, further prevent that the work piece from sliding on the punch a hole punch to can effectively ensure that the relative position of the material that punches a hole on the work piece and block into the die cavity is accurate, the punching precision of effective improvement reaches the higher advantage of punching a hole precision.

Drawings

FIG. 1 is a schematic view of a stamping die for an automobile outer threshold corner plate according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of an automotive outer threshold gusset plate stamping die in accordance with an embodiment of the present utility model;

FIG. 3 is a schematic view of the structure of the discharge chute, the inclined chute and the snap fastener in the embodiment of the utility model;

FIG. 4 is a schematic view showing a state that a lower punch is clamped into a lower die in the embodiment of the present utility model;

fig. 5 is a schematic view showing a state in which a piercing punch is inserted into a female die hole in the embodiment of the present utility model.

Wherein, the technical characteristics that each reference sign indicates are as follows:

11. Bottom plate, 12, top plate, 13, guide post, 14, upper template, 15, lower template, 16, lower punch, 17, female die groove, 21, punching punch, 22, through hole, 23, punching female die, 24, female die hole, 31, elastic supporting block, 32, positioning block, 33, positioning plate, 34, elastic supporting sleeve, 41, limiting plate, 42, movable gap, 43, first interval, 44, second interval, 51, discharge groove, 52, inclined groove, 53, guide surface, 54, snap, 55, inclined surface, 56, screw plug, 57, spring;

Detailed Description

The present utility model will be further described in detail with reference to the following examples, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, but the scope of the present utility model is not limited to the following specific examples.

Referring to fig. 1, 2 and 3, an automobile outer threshold gusset plate stamping die includes a bottom plate 11, a top plate 12, a lower die plate 15 and an upper die plate 14. The bottom plate 11 is fixedly provided with a guide post 13, the top plate 12 is in sliding connection with the guide post 13, the upper template 14 is fixedly connected with the top plate 12, and the upper template 14 and the lower template 15 are positioned between the top plate 12 and the bottom plate 11. The bottom plate 11 is arranged on a workbench, the top plate 12 is connected with a press, a workpiece is placed between the lower die plate 15 and the upper die plate 14, the press drives the top plate 12 and the upper die plate 14 to move downwards, the workpiece is clamped by the upper die plate 14 and the lower die plate 15, and the workpiece is extruded into the die groove 17 by the lower punch 16, so that the stamping forming processing is realized.

The bottom plate 11 is fixedly connected with a punching male die 21, the lower die plate 15 is provided with a through hole 22 for the punching male die 21 to pass through, the upper die plate 14 is fixedly provided with a punching female die 23, the punching female die 23 is provided with a female die hole 24 matched with the punching male die 21, the lower die plate 15 is fixedly provided with a lower male die 16, and the upper die plate 14 is provided with a female die groove 17 matched with the lower male die 16.

An elastic supporting block 31 is arranged between the bottom plate 11 and the lower die plate 15, the sum of the thickness of the elastic supporting block 31 and the thickness of the lower die plate 15 is equal to the length of the punching male die 21, and the lower surface of the upper die plate 14 is flush with the lower surface of the punching female die 23. The punching male die 21 is sleeved with an elastic supporting sleeve 34, and the length of the elastic supporting sleeve 34 is equal to the thickness of the elastic supporting block 31. The elastic supporting sleeve 34 supports the lower die plate 15 at the punching male die 21, so that the lower die plate 15 is further prevented from accidentally moving downwards when a workpiece is pressed into the female die groove 17, and the reliability is improved. The lower die plate 15 is supported at different positions through the elastic supporting sleeve 34 and the elastic supporting block 31 respectively, so that the stability of the lower die plate 15 is improved. The elastic support block 31 and the elastic support sleeve 34 are made of polyurethane, and the supporting force provided by the elastic support block 31 on the lower die plate 15 is larger than the maximum pressure required for pressing the workpiece into the die cavity 17 and smaller than the maximum pressure applied by the press on the top plate 12. When the press machine drives the top plate 12 and the upper die plate 14 to punch the workpiece, the workpiece is pressed into the female die first until the elastic supporting block 31 and the elastic supporting sleeve 34 deform and the lower die plate 15 moves downwards after the workpiece is attached to the female die groove 17.

The bottom plate 11 is fixedly connected with a positioning block 32, and the lower surface of the elastic supporting block 31 is matched with the positioning block 32. The positioning block 32 is clamped with the elastic support block 31, so that the elastic support block 31 is prevented from sliding on the bottom plate 11, and the lower end of the elastic support block 31 is positioned. The lower template 15 is fixedly connected with a positioning plate 33, and the upper surface of the elastic supporting block 31 is matched with the positioning plate 33. Through the joint of locating plate 33 and elastic support piece 31, prevent that elastic support piece 31 and lower bolster 15 from sliding relatively, play the effect that carries out the location for elastic support piece 31 upper end.

The bottom plate 11 is fixedly connected with a limiting plate 41, and a movable gap 42 is arranged between the limiting plate 41 and the lower template 15. Through limiting plate 41 and lower bolster 15 joint to realize spacing lower bolster 15, make cope match-plate pattern 14 and lower bolster 15 can press from both sides tight work piece, ensure that the work piece can accurate laminating die cavity 17. A first interval 43 is arranged between the limiting plate 41 and the elastic supporting block 31, and a second interval 44 is arranged between the limiting plate 41 and the elastic supporting sleeve 34. Through the arrangement of the first interval 43 and the second interval 44, when the lower template 15 presses the elastic supporting block 31 and the elastic supporting sleeve 34 downwards, the elastic supporting block 31 and the elastic supporting sleeve 34 can have enough space to elastically deform, so that the elastic supporting block 31 and the elastic supporting sleeve 34 are prevented from being clamped by the limiting plate 41.

The upper die plate 14 is provided with a discharge groove 51 communicating with the die hole 24. Waste generated after the punching process of the punching male die 21 is completed can enter the discharge groove 51 through the female die hole 24, so that the function of discharging the waste is prevented, and the waste is prevented from falling onto the lower die plate 15 to affect the next process. The punching die 23 is provided with an inclined groove 52 communicating with the discharge groove 51, one end of the inclined groove 52 away from the die hole 24 is inclined downward, one end of the discharge groove 51 near the die hole 24 is provided with a guide surface 53, and the upper end of the guide surface 53 is inclined toward the inclined groove 52. When the scrap in the die hole 24 enters the discharge groove 51, the scrap contacts the guide surface 53 and slides in a direction inclined to the guide surface 53 toward the inclined groove 52, so that the scrap can enter the inclined groove 52 through the discharge groove 51 and slide out of the upper die plate 14 and the punching die 23 along the inclined groove 52 by gravity.

The punching female die 23 is slidably connected with a snap fastener 54 extending into the female die hole 24, one end of the snap fastener 54 close to the female die hole 24 is provided with an inclined surface 55 abutting against the punching male die 21, and the distance between the upper end of the inclined surface 55 and the lower surface of the punching female die 23 is smaller than the maximum height of the movable gap 42. The snap 54 can be pushed along the inclined surface 55 to move away from the punch 21 during the process of entering the die hole 24, so that the snap 54 does not block the punch 21 from being inserted into the die hole 24. When the waste in the discharge groove 51 accidentally falls into the die hole 24, the snap 54 is used for blocking the waste, so that the waste stays in the die hole 24, the waste is prevented from falling onto the lower die plate 15, and the waste staying in the die hole 24 can be pushed into the discharge groove 51 again when the punching male die 21 is inserted into the die hole 24 next time. The punching female die 23 is in threaded connection with a plug screw 56, a spring 57 is arranged between the plug screw 56 and the elastic buckle 54, and two ends of the spring 57 are respectively clamped with one end, away from the female die hole 24, of the elastic buckle 54 and the plug screw 56. After the punching male die 21 slides out of the female die hole 24, the spring 57 pushes the snap 54 to move toward the female die hole 24, so that the snap 54 can extend into the female die hole 24 and block waste in the female die hole 24.

This embodiment has the following advantages:

Referring to fig. 4, in the process of moving the top plate 12 downward, the workpiece is clamped and pressed by the lower punch 16 and the upper die plate 14, and at this time, the lower die plate 15 is supported by the elastic supporting block 31, so that the height of the lower die plate 15 is kept unchanged, the workpiece is pressed into the die groove 17 and is subjected to plastic deformation, and the contour of the die groove 17 is machined on the workpiece. Referring to fig. 5, the top plate 12 and the upper die plate 14 are then continuously driven to move downward, and the upper die plate 14 pushes the lower die plate 15 to move downward against the supporting force of the elastic supporting block 31 by the workpiece, so that the workpiece and the lower die plate 15 move downward simultaneously, and at this time, the workpiece is punched by contacting the punching punch 21 fixed to the bottom plate 11 with the workpiece and punching the workpiece, so that the material contacting the punching punch 21 is pressed into the die hole 24 and separated from the workpiece, thereby realizing punching the workpiece. The press drives the top plate 12 to move upwards, so that the upper die plate 14 is separated from the lower die plate 15, a workpiece can be taken out, and the lower die plate 15 returns to the original position under the elastic action of the elastic supporting block 31, so that the reset is realized.

The workpiece is extruded into the concave die groove 17, and is clamped in the concave die groove 17, so that the workpiece can be effectively prevented from shifting, the workpiece at the punching male die 21 is kept stable, and the workpiece is prevented from sliding on the punching male die 21. Because the lower surface of the upper die plate 14 is flush with the lower surface of the punching die plate 23, in the process that the punching die plate 23 pushes the workpiece and the lower die plate 15 to move downwards, the punching die plate 23 and the lower die plate 15 can clamp the workpiece at the punching male die 21, and further the workpiece is prevented from sliding on the punching male die 21, so that the accuracy of the punching position on the workpiece and the relative position of the material clamped into the die groove 17 can be effectively ensured, the punching precision is effectively improved, and the advantage of higher punching precision is achieved.

Variations and modifications to the above would be obvious to persons skilled in the art to which the utility model pertains from the foregoing description and teachings. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the utility model should be also included in the scope of the claims of the utility model. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not constitute any limitation on the utility model.

Claims (10)

1. The stamping die for the corner plates of the outer threshold of the automobile is characterized by comprising a bottom plate (11), a top plate (12), a lower template (15) and an upper template (14), wherein a guide post (13) is fixedly arranged on the bottom plate (11), the top plate (12) is in sliding connection with the guide post (13), the upper template (14) is fixedly connected with the top plate (12), the upper template (14) and the lower template (15) are positioned between the top plate (12) and the bottom plate (11), the bottom plate (11) is fixedly connected with a punching male die (21), the lower template (15) is provided with a through hole (22) for the punching male die (21) to pass through, a punching female die (23) is fixedly arranged on the upper template (14), a female die hole (24) matched with the punching male die (21) is arranged on the punching female die (23), a lower male die (16) is fixedly arranged on the lower template (15), a female die groove (17) matched with the lower male die (16) is arranged on the upper template (14), an elastic supporting block (31) is arranged between the bottom plate (11) and the lower template (15), the thickness of the elastic supporting block (31) is equal to the length of the punching male die (21), the lower surface of the upper die plate (14) is flush with the lower surface of the punching female die (23).

2. The stamping die for the automobile outer threshold angle plates according to claim 1, wherein the bottom plate (11) is fixedly connected with a positioning block (32), and the lower surface of the elastic supporting block (31) is matched with the positioning block (32).

3. The stamping die for the automobile outer threshold angle plate according to claim 1, wherein the lower die plate (15) is fixedly connected with a positioning plate (33), and the upper surface of the elastic supporting block (31) is matched with the positioning plate (33).

4. The stamping die for the automobile outer threshold angle plate according to claim 1, wherein the punching male die (21) is sleeved with an elastic supporting sleeve (34), and the length of the elastic supporting sleeve (34) is equal to the thickness of the elastic supporting block (31).

5. The stamping die for the automobile outer threshold angle plate according to claim 4, wherein the bottom plate (11) is fixedly connected with a limiting plate (41), and a movable gap (42) is arranged between the limiting plate (41) and the lower die plate (15).

6. The stamping die for the automobile outer threshold angle plate according to claim 5, wherein a first space (43) is arranged between the limiting plate (41) and the elastic supporting block (31), and a second space (44) is arranged between the limiting plate (41) and the elastic supporting sleeve (34).

7. The stamping die for automobile outer threshold angle plates according to claim 5, wherein the upper die plate (14) is provided with a discharge groove (51) communicated with the die hole (24).

8. The stamping die for automobile outer threshold angle plates according to claim 7, wherein the punching die (23) is provided with an inclined groove (52) communicated with the discharge groove (51), one end of the inclined groove (52) away from the die hole (24) is inclined downwards, one end of the discharge groove (51) close to the die hole (24) is provided with a guide surface (53), and the upper end of the guide surface (53) is inclined towards the inclined groove (52).

9. The stamping die for the automobile outer threshold angle plate according to claim 5, wherein the punching female die (23) is slidably connected with a snap fastener (54) extending into the female die hole (24), one end, close to the female die hole (24), of the snap fastener (54) is provided with an inclined surface (55) which is in abutting connection with the punching male die (21), and the distance between the upper end of the inclined surface (55) and the lower surface of the punching female die (23) is smaller than the maximum height of the movable gap (42).

10. The stamping die for the automobile outer threshold angle plate according to claim 5, wherein the punching female die (23) is in threaded connection with a plug screw (56), a spring (57) is arranged between the plug screw (56) and the elastic buckle (54), and two ends of the spring (57) are respectively clamped with one end, far away from the female die hole (24), of the elastic buckle (54) and the plug screw (56).