CN217700956U

CN217700956U - Blanking die

Info

Publication number: CN217700956U
Application number: CN202221840561.9U
Authority: CN
Inventors: 赵汝全; 郭伟竹
Original assignee: Xiamen Xin Sheng Mechanical And Electronic Industry Co ltd
Current assignee: Xiamen Xin Sheng Mechanical And Electronic Industry Co ltd
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2022-11-01
Anticipated expiration: 2032-07-18

Abstract

The utility model provides a blanking die, which comprises an upper die and a lower die, wherein the upper die comprises an upper die component and a discharging component which are arranged at intervals, and the discharging component is positioned between the upper die component and the lower die; the upper die assembly is provided with a fixed punch, a floating punch, a counting cylinder and a movable inclined slider, the fixed punch is fixed on the upper die assembly, the floating punch is assembled on the upper die assembly in a lifting and movable manner, and the movable inclined slider is positioned above the floating punch and is provided with a abdicating concave part and an inclined guide surface; the counting cylinder is connected with the movable inclined slide block; the discharging assembly is provided with yielding through holes corresponding to the fixed punch and the floating punch. The blanking with non-equal step distances can be well realized.

Description

Blanking die

Technical Field

The utility model relates to a blanking mould for step pitch such as non.

Background

The product utilizes the mould to carry out die-cut shaping in punching operation, and it has the mode: the metal material belt is transmitted through the stepping transmission mechanism, and when the metal material belt is transmitted to a station, the die performs blanking once and is finally processed and formed through multiple steps.

However, some blanking positions of some blanked products are non-equidistant, that is, the products are not blanked once every time a station is transmitted, but are blanked once after being transmitted for many times, so that the blanking operation of the products is difficult.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model discloses an effectively solve above-mentioned problem, provide a blanking die.

In order to achieve the above purpose, the utility model provides a technical scheme as follows:

a blanking die comprises an upper die and a lower die, wherein the upper die comprises an upper die assembly and a discharging assembly which are arranged at intervals, and the discharging assembly is positioned between the upper die assembly and the lower die; the upper die assembly is provided with a fixed punch, a floating punch, a counting cylinder and a movable inclined slider, the fixed punch is fixed on the upper die assembly, the floating punch is assembled on the upper die assembly in a lifting and moving manner, and the movable inclined slider is positioned above the floating punch and is provided with a abdicating concave part and an inclined guide surface; the counting cylinder is connected with the movable inclined slide block; the discharging assembly is provided with yielding through holes corresponding to the fixed punch and the floating punch.

Further, the floating punch comprises an upper section and a lower section which are connected, wherein the diameter of the lower section is smaller than that of the upper section, so that a step surface is formed; the upper die assembly is provided with a mounting hole, the mounting hole is provided with an abutting step, the floating punch is assembled in the mounting hole, and the floating punch is limited to move downwards through abutting cooperation of the abutting step and a step surface.

Further, go up the mould subassembly and include by last cope match-plate pattern, big backing plate, little backing plate and the little fixed plate that stacks gradually the setting from top to bottom, the oblique slider slidable of activity assembles in the side of big backing plate, the mounting hole is seted up on little backing plate and little fixed plate, and wherein the aperture that is located the hole section of little fixed plate is less than the aperture that is located the hole section of little backing plate, and then forms conflict step.

Furthermore, the unloading assembly is connected with the upper die assembly through a limiting connecting piece, and the limiting connecting piece limits the maximum moving distance of the unloading assembly and the upper die assembly.

Furthermore, the limiting connecting piece is a bolt, a connecting hole is formed in the upper die assembly, a limiting step is formed in the connecting hole, and the bolt is movably assembled in the connecting hole and fixedly connected with the discharging assembly; when the distance between the discharging assembly and the upper die assembly reaches the maximum, the nut of the bolt is abutted against the limiting step to achieve limiting.

Furthermore, a return spring is arranged between the discharging assembly and the upper die assembly.

Furthermore, guide structures are arranged between the upper die assembly and the lower die and between the lower die and the discharging assembly.

Further, the discharging assembly comprises a discharging plate seat and a discharging plate, and the discharging plate is fixed at the bottom of the discharging plate seat; the abdicating through hole penetrates through the discharging plate seat and the discharging plate.

Further, the lower die comprises a lower die plate, a die holder, a cavity plate and a plurality of die inserts, the die holder is fixed on the lower die plate, the cavity plate is fixed on the die holder, the plurality of die inserts are arranged on the cavity plate in a clamped mode and correspond to the fixed punch and the floating punch.

Through the utility model provides a technical scheme has following beneficial effect:

during operation, the metal material belt is arranged between the upper die and the lower die and is transmitted, the upper die performs stamping once the material belt is transmitted, when the upper die performs stamping, the discharging assembly contacts the material belt in advance and compresses the material belt, then the upper die assembly performs stamping in place, and the fixed punch performs stamping on the material belt; the floating punch is controlled by a counting cylinder, the counting cylinder counts once every time the die punches, and the floating punch performs blanking by driving the movable inclined slide block to move when the specified times are reached; the concrete mode is as follows: when the floating punch is not needed for punching, the counting cylinder drives the movable inclined slider to move to enable the abdicating concave part to correspond to the floating punch, and at the moment, the floating punch has an upward displacement space, so that punching is not carried out; when the floating punch is needed to punch, the counting cylinder drives the movable oblique slider to move, so that the oblique guide surface of the movable oblique slider is in contact with the floating punch, and finally the floating punch is driven to punch downwards. Therefore, the punching with non-equal step distances can be well realized.

Drawings

Fig. 1 is a schematic structural view of a blanking die in an embodiment;

FIG. 2 is a schematic structural diagram of the blanking die at another angle in the embodiment;

FIG. 3 is a first schematic view showing the cooperation of the floating punch and the movable inclined slider in the embodiment;

fig. 4 is a schematic diagram of the matching of the floating punch and the movable oblique slider in the embodiment.

Detailed Description

To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

The present invention will now be further described with reference to the accompanying drawings and detailed description.

Referring to fig. 1 to 4, the blanking die provided in this embodiment includes an upper die and a lower die 200, where the upper die includes an upper die assembly 110 and a discharging assembly 120 arranged at a distance, and the discharging assembly 120 is located between the upper die assembly 110 and the lower die 200; the upper die assembly 110 is provided with a fixed punch 5, a floating punch 39, a counting cylinder (not shown) and a movable inclined slider 35, the fixed punch 5 is fixed on the upper die assembly 110, the floating punch 39 is assembled on the upper die assembly 110 in a lifting and moving manner, and the movable inclined slider 35 is positioned above the floating punch 39 and is provided with a abdicating concave part 351 and an inclined guide surface 352; the counting cylinder is connected with the movable inclined slide block 35; specifically, a screw 36 is fixed on the movable oblique sliding block 35, and the counting cylinder is connected with the screw 36 and further connected with the movable oblique sliding block 35 to drive the movable oblique sliding block 35 to move. The discharging component 120 is provided with yielding through holes corresponding to the fixed punch 5 and the floating punch 39; the fixed punch 5 and the floating punch 39 are arranged in the corresponding abdicating through holes in a penetrating mode.

During the operation, the metal material area sets up and carries out the transmission between last mould and lower mould 200, and the material area is once transmitted, goes up the mould and carries out the punching press, and when going up the mould and dashing down, the subassembly 120 of unloading contacts the material area earlier to compress tightly the material area, later goes up mould subassembly 110 and pushes down and target in place, and the drift on it punches the blanking to the material area.

Specifically, go up the mould and press down once every time, fixed drift 5 all punches the material area, and the count cylinder can count, and the count mode of this count cylinder is prior art, no longer elaborates here. The floating punch 39 is controlled by a counting cylinder to perform the operation, and when the number of times reaches a predetermined number, the counting cylinder punches the floating punch 39 by driving the movable oblique slider 35 to move; the concrete mode is as follows: when the floating punch 39 is not needed for punching, as shown in fig. 3, the movable inclined slider 35 is driven by the counting cylinder to move to make the abdicating concave part 351 correspond to the floating punch 39, and at this time, the floating punch 39 has an upward displacement space, so punching is not performed; when punching by the floating punch is required, as shown in fig. 4, when the upper die is pressed down to the proper position, the movable oblique slider 35 is driven by the counter cylinder to move, the inclined guide surface 352 of the movable oblique slider 35 is brought into contact with the floating punch 39, and the floating punch 39 is finally driven to punch downward. Therefore, the punching with non-equal step distances can be well realized.

The floating punch 39 comprises an upper section and a lower section which are connected, and the diameter of the lower section is smaller than that of the upper section, so that a step surface is formed; the upper die assembly 110 is provided with a mounting hole which is provided with an abutting step, the floating punch 39 is assembled in the mounting hole, and the floating punch 39 is limited to move downwards through abutting fit of the abutting step and the step surface; the floating punch 39 is restrained.

Further, go up mould assembly 110 and include by last 1, big backing plate 2, little backing plate 42 and the little fixed plate 43 of stacking gradually the setting from top to bottom, the oblique slider 35 slidable of activity assembles in the side of big backing plate 2, the mounting hole is seted up on little backing plate 42 and little fixed plate 43, and wherein the aperture that is located the hole section of little fixed plate 43 is less than the aperture that is located the hole section of little backing plate 42, and then forms conflict step. So set up, the mounting hole that has the conflict step passes through little backing plate 42 and little fixed plate 43 concatenation shaping, realizes easily.

The discharging assembly 120 is connected to the upper die assembly 110 through a limiting connector 3, and the limiting connector 3 limits the maximum moving distance between the discharging assembly 120 and the upper die assembly 110. So set up, as long as the drive go up mould assembly 110 and move can, it carries out whole when shifting up to go up the blanking of mould completion promptly, mould assembly 110 shifts up in the direct drive, when moving up to a take the altitude on last mould assembly 110, shifts up in step through spacing connecting piece 3 drive subassembly 120 of unloading, need not carry out extra operation to subassembly 120 of unloading.

Specifically, the limiting connecting piece 3 is a bolt, a connecting hole 11 is formed in the upper die assembly 110, a limiting step is formed on the connecting hole 11, and the bolt is movably assembled in the connecting hole 11 and fixedly connected with the discharging assembly 120; when the interval between the discharging component 120 and the upper die component 110 reaches the maximum, the nut of the bolt abuts against the limiting step to achieve limiting, so that the discharging component 120 is limited, and the structure is simple and easy to achieve.

Of course, in other embodiments, the structure of the spacing link 3 is not limited thereto.

More specifically, a return spring 41 is further disposed between the discharging assembly 120 and the upper die assembly 110, the return spring 41 always applies an elastic force far away from the upper die assembly 110 to the discharging assembly 120, and the upper die is in a non-stamping state, so that the discharging assembly 120 and the upper die assembly 110 always keep a maximum distance, and the stamping stability of the upper die is ensured.

And guide structures are arranged between the upper die assembly 110 and the lower die 200 and between the lower die 200 and the discharging assembly 120. Specifically, the upper die assembly 110 and the lower die assembly 200 are guided by the first ball guide pillar 40, and the lower die assembly 200 and the discharging assembly 120 are guided by the second ball guide pillar 38, so that the action precision is higher, and the blanking is more accurate.

The discharging assembly 120 comprises a discharging plate seat 4 and a discharging plate 6, and the discharging plate 6 is fixed at the bottom of the discharging plate seat 4; the abdicating through holes penetrate through the discharging plate seat 4 and the discharging plate 6.

The lower die 200 comprises a lower die plate 47, a die holder 46, a die plate 45 and a plurality of die inserts 9, wherein the die holder 46 is fixed on the lower die plate 47, the die plate 45 is fixed on the die holder 46, the plurality of die inserts 9 are arranged, and the plurality of die inserts 9 are respectively clamped on the die plate 45 and correspond to the fixed punch 5 and the floating punch 39; so as to better match the blanking of the fixed punch 5 and the floating punch 39.

Of course, in other embodiments, the structure of the discharging assembly 120 and the structure of the lower mold 200 are not limited thereto.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a blanking die, includes mould and lower mould, its characterized in that: the upper die comprises an upper die assembly and a discharge assembly which are arranged at intervals, and the discharge assembly is positioned between the upper die assembly and the lower die; the upper die assembly is provided with a fixed punch, a floating punch, a counting cylinder and a movable inclined slider, the fixed punch is fixed on the upper die assembly, the floating punch is assembled on the upper die assembly in a lifting and movable manner, and the movable inclined slider is positioned above the floating punch and is provided with a abdicating concave part and an inclined guide surface; the counting cylinder is connected with the movable inclined slide block; the discharging assembly is provided with yielding through holes corresponding to the fixed punch and the floating punch.

2. The blanking die of claim 1, wherein: the floating punch comprises an upper section and a lower section which are connected, and the diameter of the lower section is smaller than that of the upper section, so that a step surface is formed; the upper die assembly is provided with a mounting hole, the mounting hole is provided with an abutting step, the floating punch is assembled in the mounting hole, and the floating punch is limited to move downwards through abutting cooperation of the abutting step and the step surface.

3. The blanking die of claim 2, wherein: go up the mould subassembly and include cope match-plate pattern, big backing plate, little backing plate and the little fixed plate by last to stacking gradually the setting from top to bottom, the oblique slider slidable of activity assembles in the side of big backing plate, the mounting hole is seted up on little backing plate and little fixed plate, and wherein the aperture that is located the hole section of little fixed plate is less than the aperture that is located the hole section of little backing plate, and then forms conflict step.

4. The blanking die of claim 1, wherein: the discharging assembly is connected with the upper die assembly through a limiting connecting piece, and the limiting connecting piece limits the maximum moving distance between the discharging assembly and the upper die assembly.

5. The blanking die of claim 4, wherein: the limiting connecting piece is a bolt, a connecting hole is formed in the upper die assembly, a limiting step is formed in the connecting hole, and the bolt is movably assembled in the connecting hole and fixedly connected with the discharging assembly; when the distance between the discharging assembly and the upper die assembly reaches the maximum, the nut of the bolt is abutted against the limiting step to achieve limiting.

6. The blanking die of claim 4, wherein: and a return spring is also arranged between the discharging assembly and the upper die assembly.

7. The blanking die of claim 1, wherein: and guide structures are arranged between the upper die assembly and the lower die and between the lower die and the discharging assembly.

8. The blanking die of claim 1, wherein: the discharging assembly comprises a discharging plate seat and a discharging plate, and the discharging plate is fixed at the bottom of the discharging plate seat; the abdicating through hole penetrates through the discharging plate seat and the discharging plate.

9. The blanking die of claim 1, wherein: the lower die comprises a lower die plate, a die holder, a plurality of die inserts and a floating punch, wherein the die holder is fixed on the lower die plate, the die plates are fixed on the die holder, and the plurality of die inserts are respectively clamped on the die plate and correspond to the fixed punch and the floating punch.