CN216175734U

CN216175734U - Punching die capable of cutting off waste materials simultaneously

Info

Publication number: CN216175734U
Application number: CN202122185293.3U
Authority: CN
Inventors: 马至倩; 宋超; 栾永坤
Original assignee: Yantai Taili Automobile Tooling Co ltd
Current assignee: Yantai Taili Automobile Tooling Co ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-04-05
Anticipated expiration: 2031-09-10

Abstract

The utility model relates to a punching die capable of cutting off waste materials simultaneously, which comprises an upper die seat and a lower die seat, wherein the lower part of the upper die seat is provided with an upper waste material cutter, a punch and a material pressing plate, and the upper part of the lower die seat is provided with a lower cutter and a conveying track; the upper waste cutter and the lower cutter are correspondingly arranged up and down to form a guillotine type structure; the material pressing plate is arranged above the lower cutter, and a plurality of buffer springs are arranged between the material pressing plate and the upper die seat; the material pressing plate is provided with a die punching hole, and the die punching hole is used for punching a finished product in a matched manner with the punch; the conveying track is arranged at the plate feeding end of the lower die base. According to the utility model, after the plate material to be punched is punched, the residual waste material is cut off and recovered, the synchronous cutting of the residual waste material of the punching die is realized while the punching die is realized, the production efficiency is improved, the production cost is reduced, the possibility of injury of operating personnel in the working environment is reduced after the waste material is cut off, and the operation safety is ensured.

Description

Punching die capable of cutting off waste materials simultaneously

Technical Field

The utility model relates to a punching die capable of cutting off waste materials simultaneously, and belongs to the technical field of punching dies.

Background

In the production process of stamping parts, in order to save time, a longer plate is often selected and continuously stamped on one plate, so that the stamped waste is too long, and the following problems are caused: firstly, the operation of workers is inconvenient during the subsequent stamping, and the production efficiency is low; secondly, the overlong waste materials are easy to scratch workers, and the personal safety of the workers cannot be guaranteed; thirdly, the overlong waste materials after stamping are not easy to collect, the time is additionally spent for arranging large waste materials, and the production cost is high.

SUMMERY OF THE UTILITY MODEL

The present invention aims to provide a new technical solution to improve or solve the technical problems in the prior art as described above.

The utility model provides a punching die capable of cutting off waste materials simultaneously, which comprises an upper die seat and a lower die seat, wherein the lower part of the upper die seat is provided with an upper waste material cutter, a punch and a material pressing plate, and the upper part of the lower die seat is provided with a lower cutter, a conveying track and a blanking slideway;

the upper waste cutter and the lower cutter are correspondingly arranged up and down to form a guillotine type structure;

the material pressing plate is arranged above the lower cutter, a plurality of buffer springs are arranged between the material pressing plate and the upper die base, the buffer springs are extruded when the upper die base is in a die-dropping state, and the material sheet is pressed by the material pressing plate through the pressure given by the buffer springs;

the lower cutter is provided with a die hole, and the die hole is used for punching a finished product in a matching way with the punch;

the blanking slide is arranged at the discharge end of the lower die base, and the conveying track is arranged at the feed end of the lower die base.

Furthermore, the blanking device also comprises a blanking slide way, wherein the blanking slide way is arranged at the waste material discharging end of the lower die seat.

Furthermore, the waste material feeding knife comprises a first waste material feeding knife and a second waste material feeding knife, and the first waste material feeding knife and the second waste material feeding knife are arranged above the lower knife according to the width interval of waste materials to be cut.

Furthermore, a storage supporting seat is arranged between the upper die seat and the lower die seat and used for supporting the upper die seat when the die-dropping die does not work so as to protect the buffer spring from being pressed.

Further, deposit the supporting seat and include upper side pipe and lower side pipe, through the hinge connection that can turn over between upper side pipe and the lower side pipe.

Furthermore, at least one first guide column is arranged between the upper die base and the lower die base, and the first guide column plays a role in guiding the lower die base in a dropping and stamping process.

Furthermore, a plurality of second guide posts are further arranged between the upper die seat and the pressure plate, and the second guide posts play a role in guiding the compression process of the buffer spring between the pressure plate and the upper die seat, so that the position between the upper waste material cutter and the lower cutter is prevented from deviating.

The material pressing plate downward movement limiting portion comprises limiting groove portions arranged at two ends of the material pressing plate and limiting columns arranged on the upper die base, and limiting protruding portions matched with the limiting groove portions are arranged on the limiting columns.

Further, still be equipped with the die orifice of falling on the lower mould seat, the die orifice of falling with die orifice intercommunication from top to bottom, finished product can fall into the collecting box, need not to collect by one.

Further, still include step baffle mechanism, step baffle mechanism sets up the waste material discharge end department at the lower die base, step baffle mechanism is used for restricting the distance that the sheet material of treating processing impels forward. By limiting the forward advancing distance of the plate to be processed, the cutting length of the waste at the front end of the plate can be controlled, and the number of punching dies at the rear end of the plate can be controlled.

Further, still include the base, the bed die seat is installed on the base, still be equipped with on the base and accept the tray, it is in to accept the tray setting the die hole below is used for accepting one piece after the die.

The utility model has the beneficial effects that:

1. according to the utility model, after the plate material to be punched is punched, the residual waste material is cut off and recovered, so that synchronous cutting is carried out on the residual waste material of the punching die while the punching die is realized, the production efficiency is improved, the production cost is reduced, the possibility that operating personnel are injured in the working environment after the waste material is cut off is reduced, and the operation safety is ensured;

2. the upper waste material cutter comprises a first upper waste material cutter and a second upper waste material cutter, and the waste materials after stamping are of a hollow structure, so that the first upper waste material cutter and the second upper waste material cutter are arranged above the lower cutter at intervals according to the width of the waste materials to be cut, the waste materials can be cut only by cutting the hollow edge side of the waste materials, and the structure is simple and reliable;

3. the storage supporting seat is used for supporting the upper die seat when a die-dropping die does not work, after the upper die seat is supported, the pressure plate falls downwards under the action of self gravity, and when the groove in the pressure plate is contacted with the limiting bulge part on the limiting column, the pressure plate stops falling, so that the buffer spring is protected from being pressed and pulled, the service life of the buffer spring is prolonged, and in addition, the downward movement limiting part of the pressure plate can limit the downward movement distance of the pressure plate when the die works;

4. the design of the first guide column and the second guide column ensures the accuracy of the positions of the upper die seat and the material pressing plate when the upper die seat and the material pressing plate are pressed down, so that the reliability of a punching die of the punching die is ensured;

5. according to the utility model, the supporting tray for supporting the finished product after the die punching is arranged below the die falling hole, and the punched finished product directly falls into the supporting tray due to the action of gravity, so that the collection of the finished product is facilitated;

6. the discharging end of the utility model is provided with the blanking slideway, so that the cut waste material can slide conveniently and the discharging end of the waste material is not easy to block;

7. the step distance baffle mechanism can limit the forward advancing distance of the plate to be processed, not only can control the cutting length of the residual waste materials finished by the stamping die at the front end of the plate, but also can control the spacing distance of the stamping die at the rear end of the plate.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a sectional view taken along line A-A of the present invention;

FIG. 3 is a schematic view of the structure of the lower mold base of the present invention;

FIG. 4 is a schematic view of the internal structure of the present invention with the upper mold base removed;

in the drawing, 1, an upper die base, 101, an upper waste knife, 102, a punch, 103, a pressure plate, 104, a die hole, 105, a first upper waste knife, 106, a second upper waste knife, 2, a lower die base, 201, a lower knife, 202, a conveying track, 203, a blanking slideway, 3, a buffer spring, 4, a storage supporting base, 401, an upper pipe, 402, a lower pipe, 403, a foldable hinge, 5, a limiting groove part, 6, a limiting column, 601, a limiting bulge, 7, a first guide column, 8, a second guide column, 9, a die hole, 10, a base, 11, a receiving tray, 12, a step baffle mechanism and 13 are arranged.

Detailed Description

The principles and features of this invention are described below in conjunction with examples, which are set forth to illustrate, but are not to be construed to limit the scope of the utility model.

As shown in fig. 1 to 4, the present invention provides a blanking die capable of cutting off waste materials simultaneously, which includes an upper die base 1 and a lower die base 2, wherein the lower portion of the upper die base 1 is provided with an upper waste material knife 101, a punch 102 and a pressure plate 103, and the upper portion of the lower die base 2 is provided with a lower knife 201, a conveying rail 202 and a blanking slideway 203;

the upper waste material knife 101 and the lower knife 201 are arranged up and down correspondingly to form a guillotine type structure;

the material pressing plate 103 is arranged above the lower cutter 201, a plurality of buffer springs 3 are arranged between the material pressing plate 103 and the upper die base 1, and the material pressing plate presses the material sheet by the pressure given by the buffer springs;

the lower cutter 201 is provided with a die hole 104, and the die hole 104 is used for being matched with the punch 102 to punch a finished product;

the blanking slide 203 is arranged at the waste material discharging end of the lower die base 2, and the blanking slide 203 is convenient for the cut waste material to slide off and is not easy to block the waste material discharging end;

the conveying rail 202 is provided at the plate feeding end of the lower die base 2.

The upper scrap cutter 101 includes a first upper scrap cutter 105 and a second upper scrap cutter 106, and the first upper scrap cutter 105 and the second upper scrap cutter 106 are arranged above the lower cutter at intervals according to the width of the scrap to be cut, because the punched scrap has a hollow structure. Because the waste material after the die stamping has a hollow structure, the cutting-off of the waste material can be realized only by cutting the hollow edge side of the waste material.

Go up mould seat 1 with four in addition deposit supporting seat 4, four between the lower mould seat 2 deposit supporting seat 4 and fix respectively the position at four angles of lower mould seat 2, deposit supporting seat 4 and be used for supporting mould seat 1 when the falling die is out of work, protect buffer spring not pressurized, it includes upper pipe 401 and lower pipe 402 to deposit supporting seat 4, connect through the hinge 403 that can turn over between upper pipe 401 and the lower pipe 402, when the falling die is out of work, turn over the upper portion of turning over upper pipe 401 to lower pipe 402, increase the height of depositing supporting seat 4 to prop up mould seat 1, when the falling die work, turn over one side of upper pipe 401 to lower pipe 402, reduce the height of depositing supporting seat 4, make and deposit supporting seat 4 and do not hinder the production of falling die.

The punching die further comprises a material pressing plate downward moving limiting portion, the material pressing plate downward moving limiting portion comprises limiting groove portions 5 arranged at two ends of the material pressing plate and four limiting columns 6 arranged on the upper die base 1, and limiting protruding portions 601 matched with the limiting groove portions 5 are arranged on the four limiting columns 6.

After the upper die base 1 is supported, the pressure plate 103 falls downward under the action of self gravity, so that when the groove portion 5 on the pressure plate contacts the limiting protruding portion 601 on the limiting column 6, the pressure plate 103 stops falling, and the buffer spring 3 is protected from being pressed.

Two first guide posts 7 are further arranged between the upper die base 1 and the lower die base 2, and the first guide posts 7 play a role in guiding the lower die base 2 in the process of dropping and punching the die. Go up mould seat 1 with still be equipped with a plurality of second guide posts 8 between the pressure flitch 103, second guide post 8 is in play the guide effect in the buffer spring 3 compression process between pressure flitch 103 and the last mould seat 1, prevent go up the skew of position between waste material sword 101 and the lower sword.

The lower die base 2 is further provided with a die dropping hole 9, and the die dropping hole 9 is communicated with the die punching hole 104 up and down. The lower die base 2 is arranged on a base 10, a bearing tray 11 is further arranged on the base 10, and the bearing tray 11 is arranged below the die falling hole 9 and used for bearing a finished product after stamping.

The blanking die further comprises a step baffle mechanism 12, the step baffle mechanism 12 is arranged at the waste material discharging end of the lower die base 2, and the step baffle mechanism 12 is used for limiting the forward propelling distance of the plate material 13 to be processed, so that the cutting length of the residual waste material after the front end of the plate material 13 is punched can be controlled, and the spacing distance of the punching die at the rear end of the plate material 13 can also be controlled.

The working process is as follows:

firstly, placing the debugged die at the correct position of a press

Secondly, after opening the die, placing the plate 13 on a conveying track;

thirdly, the upper die base 1 falls down, the punch 102 is matched with the punch die hole 104 to punch a finished product, the finished product falls into the bearing tray 11, the waste part is formed at the front end of the sheet material 13, and then the upper die base 1 is lifted up to push the sheet material 13 forward for a certain distance;

fourthly, when the upper die base 1 falls down, the upper scrap cutter 101 and the lower cutter 201 are matched to cut off the scrap part at the front end of the sheet material 13 formed after the stamping of the previous step, then the upper die base 1 is lifted, the groove part 5 in the sheet material pressing plate is contacted with the limiting bulge part 601 in the limiting column 6, then the sheet material pressing plate is lifted 103, the sheet material 13 is continuously pushed forward for a certain distance, and the second step is circulated until the stamping production is finished.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A punching die capable of cutting off waste materials simultaneously comprises an upper die base and a lower die base, and is characterized in that an upper waste material cutter, a punch and a material pressing plate are arranged at the lower part of the upper die base, and a lower cutter and a conveying track are arranged at the upper part of the lower die base;

the material pressing plate is arranged above the lower cutter, a plurality of buffer springs are arranged between the material pressing plate and the upper die seat, and the material pressing plate presses the material sheet through the pressure given by the buffer springs;

the lower cutter is provided with a die hole, and the die hole is used for being matched with a punch head to punch a finished product;

the conveying track is arranged at the plate feeding end of the lower die base.

2. The die set of claim 1, further comprising a material-dropping chute, the material-dropping chute being disposed at the material-discharging end of the lower die base.

3. The blanking die capable of cutting off scraps simultaneously according to claim 1, wherein the upper scrap cutter comprises a first upper scrap cutter and a second upper scrap cutter, and the first upper scrap cutter and the second upper scrap cutter are disposed above the lower cutter at intervals according to a width of scraps to be cut.

4. A punch-down die capable of cutting off scraps simultaneously as set forth in claim 1, wherein a storage support is further provided between said upper die base and said lower die base, said storage support being adapted to support said upper die base so that said cushion spring is not pressed when said punch-down die is not in operation.

5. The die set of claim 4, wherein the storage support comprises an upper tube and a lower tube, and the upper tube and the lower tube are connected by a foldable hinge.

6. A punch die capable of cutting scraps according to claim 4, wherein at least one first guide column is further disposed between the upper die base and the lower die base, and the first guide column plays a role in guiding the lower die base during the punching process.

7. The punching die capable of cutting off scraps simultaneously according to claim 1, wherein a plurality of second guide posts are further arranged between the upper die holder and the material pressing plate, and the second guide posts play a role in guiding during compression of a buffer spring between the material pressing plate and the upper die holder, so as to prevent the position between the upper scrap cutter and the lower cutter from being shifted.

8. The die set of claim 1, further comprising a downward-moving limiting portion of the pressure plate, wherein the downward-moving limiting portion of the pressure plate comprises a limiting groove portion disposed at both ends of the pressure plate and a limiting post mounted on the upper die base, and the limiting post is provided with a limiting protrusion portion engaged with the limiting groove portion.

9. The die set for simultaneously cutting off scraps as claimed in claim 1, wherein said lower die base is further provided with a die hole, and said die hole is vertically communicated with said punch hole.

10. A blanking die capable of simultaneously cutting off scraps according to claim 1, further comprising a step-by-step baffle mechanism provided at a scrap discharge end of the lower die base, the step-by-step baffle mechanism for limiting a distance of forward advancement of the sheet.