CN219052654U

CN219052654U - U-shaped needle tooth integrated cutting die

Info

Publication number: CN219052654U
Application number: CN202320241944.2U
Authority: CN
Inventors: 张志文; 罗君贤; 阮昂
Original assignee: Tianjin Wo Hing Laser Die Cutting Co ltd
Current assignee: Tianjin Wo Hing Laser Die Cutting Co ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-05-23
Anticipated expiration: 2033-02-17

Abstract

The utility model discloses a U-shaped needle tooth integrated cutting die, which belongs to the technical field of blade dies and comprises a lower die holder, wherein an upper die holder is arranged right above the lower die holder, a base is arranged at the top of the lower die holder, a forming groove is formed in the surface of the base, a forming boss is arranged at the bottom of the upper die holder, auxiliary structures are arranged on two sides of the top of the base, each auxiliary structure comprises two L-shaped brackets, the two L-shaped brackets are symmetrically arranged on two sides of the top of the base respectively, an air cylinder is arranged at one end of each L-shaped bracket, and an extrusion block is arranged at the output end of each air cylinder. The U-shaped stamping device can conveniently perform U-shaped stamping on the workpiece, can adjust the bending angle of the U-shaped workpiece according to different conditions, reduces stamping time of the workpiece, and can eject the stamped workpiece and perform stamping buffer treatment to avoid the phenomenon that the workpiece is clamped due to overlarge stamping force.

Description

U-shaped needle tooth integrated cutting die

Technical Field

The utility model relates to the technical field of blade dies, in particular to a U-shaped needle tooth integrated cutting die.

Background

In the production process of the U-shaped pin teeth, stamping forming is needed through a cutting die, the U-shaped pin teeth are dies for forming workpieces, the workpieces with different shapes are needed to be provided with matched cutting dies, the U-shaped pin teeth are specifically operated to put the workpieces in the dies, and the stamping equipment is utilized to enable the upper die and the lower die to be closed, so that the workpieces are stamped into shapes matched with the die groove structures.

The utility model patent of patent application number CN202021849210.5 discloses a U-shaped serrated knife die comprising: the lower die comprises a lower die base, and at least one forming groove extending along a straight line is formed in the lower die base. The upper die comprises an upper die base, an extrusion lug matched with the forming groove in shape is arranged at the lower end of the upper die base, and a fixing through hole is formed in the upper die base. When the die is used, the blade is placed on the lower die, the notch of the blade is aligned with the forming groove, and then the extrusion lug of the upper die is controlled to strike the notch, so that the cutting edges at two sides of the notch are bent and formed towards one side. The structure has the advantages that the shapes of the lower die and the upper die are fixed, and the U-shaped tooth knife can be conveniently machined under the condition that the force application direction is proper.

However, when the structure is actually used, only products with the same angle can be produced, for example, the bending angle of a U-shaped workpiece is vertically arranged after stamping, and when the angle of the products needs to be changed, different dies need to be replaced or repeated stamping is needed, so that the working efficiency is low.

Disclosure of Invention

The technical scheme of the utility model aims at the technical problem that the prior art is too single, and provides a solution which is obviously different from the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions: the U-shaped needle tooth integrated cutting die comprises a lower die holder, an upper die holder is arranged right above the lower die holder, a base is arranged at the top of the lower die holder, a forming groove is formed in the surface of the base, forming bosses are arranged at the bottom of the upper die holder, and auxiliary structures are arranged on two sides of the top of the base;

the auxiliary structure comprises two L-shaped brackets, the two L-shaped brackets are symmetrically arranged on two sides of the top of the base respectively, one end of each L-shaped bracket is provided with a cylinder, the output end of each cylinder is provided with an extrusion block, and through holes are formed in the surfaces of two sides of the base in a penetrating mode.

Preferably, a movable block is slidably arranged in the forming groove formed in the base, two groups of telescopic guide rods are arranged at the bottom of the movable block, and a reset spring is arranged between the two groups of telescopic guide rods;

the top of flexible guide bar and movable block's bottom fixed connection, and bottom fixed mounting is in the inner chamber bottom of shaping groove, reset spring top and bottom respectively with movable block bottom and shaping groove inner chamber bottom fixed connection.

Preferably, a sleeve rod is fixedly arranged at the top of the lower die holder, a sleeve is fixedly arranged at the bottom of the upper die holder, and the sleeve rod is in sliding connection in the sleeve;

the sleeve is internally provided with a guide block at the top end of the loop bar, and a buffer spring is arranged at the top end of the guide block.

Preferably, the output end of the cylinder is fixedly connected with the extrusion block, and the extrusion block is installed in the through hole and is in sliding connection with the through hole.

Preferably, the forming boss and the forming groove on the surface of the base are identical in shape, and the base and the forming boss are detachably connected with the lower die holder and the upper die holder through bolts respectively.

The utility model has the following advantages:

1. through setting up auxiliary structure, when the bent angle of work piece needs to change after the work piece punching press forms the U-shaped, utilize two sets of cylinders to drive the extrusion piece that corresponds respectively and slide in the inside of through-hole, at this moment, two extrusion pieces extrude the both sides of U-shaped work piece respectively, can extrude the work piece into the U-shaped work piece of different bent angles, conveniently produce the U-shaped work piece of different bent angles, need not change different moulds and only need once processing shaping, improve work efficiency;

2. the upper die holder drives the movable block to move downwards and extend to the inside of the forming groove through the stamping equipment, the movable block can promote the reset spring to be compressed, the movable plate can slide stably in the forming groove by utilizing the cooperation of the telescopic guide rod, the initial position of the movable block can be restored after stamping by utilizing the elastic potential energy of the reset spring, the stamped workpiece is conveniently ejected out of the inside of the forming groove, the workpiece is prevented from being clamped, and meanwhile, the reset spring can buffer a part of stamping of the workpiece, so that damage caused by overlarge stamping force of the workpiece is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the ambit of the technical disclosure.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the base in the present utility model;

FIG. 3 is a schematic view of the bottom structure of the movable block according to the present utility model;

FIG. 4 is a schematic view of the internal structure of the sleeve according to the present utility model;

FIG. 5 is a U-shaped workpiece of the present utility model without bend adjustment;

FIG. 6 is a U-shaped workpiece after bending adjustment in accordance with the present utility model;

in the figure: 1. a lower die holder; 2. an upper die holder; 3. a base; 4. a forming groove; 5. forming a boss; 6. an L-shaped bracket; 7. a cylinder; 8. extruding a block; 9. a through hole; 10. a movable block; 11. a telescopic guide rod; 12. a return spring; 13. a loop bar; 14. a sleeve; 15. a guide block; 16. and a buffer spring.

Detailed Description

Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The U-shaped needle tooth integrated cutting die comprises a lower die holder 1, an upper die holder 2 is arranged right above the lower die holder 1, a base 3 is arranged at the top of the lower die holder 1, a forming groove 4 is formed in the surface of the base 3, a forming boss 5 is arranged at the bottom of the upper die holder 2, and auxiliary structures are arranged on two sides of the top of the base 3.

The auxiliary structure comprises two L-shaped brackets 6, the two L-shaped brackets 6 are symmetrically arranged on two sides of the top of the base 3 respectively, one end of each L-shaped bracket 6 is provided with a cylinder 7, the output end of each cylinder 7 is provided with an extrusion block 8, and the surfaces of two sides of the base 3 are all provided with through holes 9 in a penetrating mode.

When the structure is specifically used, when a workpiece model is stamped to be U-shaped, firstly, a material to be stamped is horizontally placed on the surface of the base 3, the stamping equipment is utilized to drive the upper die holder 2 and the lower die holder 1 to be closed, at the moment, the forming boss 5 extends to the inside of the forming groove 4, and the workpiece is stamped to be U-shaped matched with the structure of the forming groove 4, and the final effect is shown in figure 5.

Meanwhile, when the bending angle of the workpiece after stamping needs to be adjusted according to the actual situation, the two groups of cylinders 7 are utilized to respectively drive the corresponding extrusion blocks 8 to slide in the through holes 9, at the moment, the two extrusion blocks 8 respectively extrude two sides of the U-shaped workpiece, the workpiece can be extruded into the U-shaped workpiece with different bending angles, the final effect is shown in figure 6, and then the model stamping of the U-shaped pin teeth is completed.

In a preferred embodiment, as shown in fig. 2 and 3, a movable block 10 is slidably disposed in the molding groove 4 formed in the base 3, two sets of telescopic guide rods 11 are disposed at the bottom of the movable block 10, and a return spring 12 is disposed between the two sets of telescopic guide rods 11.

The top of flexible guide bar 11 and the bottom fixed connection of movable block 10, and bottom fixed mounting is in the inner chamber bottom of shaping groove 4, reset spring 12 top and bottom respectively with movable block 10 bottom and shaping groove 4 inner chamber bottom fixed connection, so that when carrying out the model punching press to the work piece, make movable block 10 down remove and promote reset spring 12 to obtain the compression, utilize the cooperation of flexible guide bar 11, realize the fly leaf at shaping inslot 4 inside stable slip, and then can realize stamping forming's effect to the work piece, make the work piece after the punching press and shaping groove 4 looks adaptation, simultaneously, utilize reset spring 12's elastic potential energy, can make the movable block 10 resume initial position after the punching press, the work piece after the convenience is ejecting from the inside of shaping groove 4.

In a preferred embodiment, as shown in fig. 1 and 4, a sleeve rod 13 is fixedly arranged at the top of the lower die holder 1, a sleeve 14 is fixedly arranged at the bottom of the upper die holder 2, and the sleeve rod 13 is slidably connected in the sleeve 14.

The inside top that is located loop bar 13 of sleeve 14 is provided with guide block 15, the top of guide block 15 is provided with buffer spring 16 to be convenient for when punching press to the work piece, close between upper die base 2 and the die holder 1, through the inside slip direction of loop bar 13 at sleeve 14, improve and stabilize the direction through closing between upper die base 2 and the die holder 1, sleeve 13 is at the inside gliding in-process of sleeve 14 simultaneously, make guide block 15 extrude buffer spring 16, and then can obtain the buffering when punching press to the work piece, avoid huge punching press to cause the work piece to warp.

In a preferred embodiment, as shown in fig. 1 and 2, the output end of the air cylinder 7 is fixedly connected with the extrusion block 8, the extrusion block 8 is installed in the through hole 9 and is slidably connected with the through hole 9, so that when the workpiece is punched into a U-shape matched with the structure of the forming groove 4, and the bending angle of the U-shaped workpiece needs to be adjusted, the two groups of air cylinders 7 are utilized to respectively drive the corresponding extrusion block 8 to slide in the through hole 9, and at the moment, the two extrusion blocks 8 respectively extrude two sides of the U-shaped workpiece, so that the workpiece can be extruded into the U-shaped workpiece with different bending angles.

In a preferred embodiment, as shown in fig. 1, the forming boss 5 and the forming groove 4 on the surface of the base 3 are identical in shape, and the base 3 and the forming boss 5 are detachably connected with the lower die holder 1 and the upper die holder 2 through bolts, so that the forming boss 5 can extend into the forming groove 4 and punch a workpiece, and a worker can conveniently detach and replace the base 3 and the forming boss 5 for maintenance.

When the structure is specifically used, in the process of stamping a workpiece, the stamping equipment drives the upper die holder 2 to drive the movable block 10 to move downwards and extend to the inside of the forming groove 4, the movable block 10 can promote the reset spring 12 to be compressed, the movable plate can stably slide in the forming groove 4 by utilizing the cooperation of the telescopic guide rod 11, and then the effect of stamping forming can be realized on the workpiece, so that the stamped workpiece is matched with the forming groove 4.

After stamping, the forming boss 5 resets, and the elastic potential energy of the reset spring 12 is utilized, so that the stamped movable block 10 can be restored to the initial position, a stamped workpiece is conveniently ejected out of the forming groove 4, and meanwhile, the reset spring 12 can buffer a part of stamping of the workpiece, and damage caused by overlarge stamping force of the workpiece is avoided.

When the upper die holder 2 and the lower die holder 1 are closed, the sleeve rod 13 slides in the sleeve 14 to guide, so that stable guiding is performed between the upper die holder 2 and the lower die holder 1, meanwhile, in the sliding process of the sleeve rod 13 in the sleeve 14, the guide block 15 extrudes the buffer spring 16, and further, the workpiece can be buffered during stamping, and the workpiece deformation caused by huge stamping is avoided.

While the utility model has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.

Claims

1. The utility model provides a integrative cutting die of U type needle tooth, includes die holder (1), be provided with upper die base (2), its characterized in that directly over die holder (1): the top of the lower die holder (1) is provided with a base (3), the surface of the base (3) is provided with a forming groove (4), the bottom of the upper die holder (2) is provided with a forming boss (5), and both sides of the top of the base (3) are provided with auxiliary structures;

the auxiliary structure comprises two L-shaped brackets (6), the two L-shaped brackets (6) are symmetrically arranged on two sides of the top of the base (3) respectively, one end of each L-shaped bracket (6) is provided with a cylinder (7), the output end of each cylinder (7) is provided with a squeezing block (8), and through holes (9) are formed in the surfaces of two sides of the base (3) in a penetrating mode.

2. A U-shaped pin tooth integrated cutting die as defined in claim 1, wherein: the inside slip of shaping groove (4) that base (3) set up is provided with movable block (10), movable block (10) bottom is provided with two sets of flexible guide bar (11), and is provided with reset spring (12) between two sets of flexible guide bar (11).

3. A U-shaped pin tooth integrated cutting die as defined in claim 2, wherein: the top of flexible guide bar (11) is fixed connection with the bottom of movable block (10), and bottom fixed mounting is in the inner chamber bottom of shaping groove (4), reset spring (12) top and bottom respectively with movable block (10) bottom and shaping groove (4) inner chamber bottom fixed connection.

4. A U-shaped pin tooth integrated cutting die as defined in claim 1, wherein: the die comprises a die holder, a lower die holder (1) and a sleeve (14), wherein the top of the lower die holder (1) is fixedly provided with a sleeve rod (13), the bottom of the upper die holder (2) is fixedly provided with the sleeve (14), and the sleeve rod (13) is in sliding connection with the sleeve (14) inside.

5. A U-shaped pin tooth integrated cutting die as defined in claim 4, wherein: the sleeve (14) is internally provided with a guide block (15) at the top end of the loop bar (13), and a buffer spring (16) is arranged at the top end of the guide block (15).

6. A U-shaped pin tooth integrated cutting die as defined in claim 1, wherein: the output end of the air cylinder (7) is fixedly connected with the extrusion block (8), and the extrusion block (8) is arranged in the through hole (9) and is in sliding connection with the through hole (9).

7. A U-shaped pin tooth integrated cutting die as defined in claim 1, wherein: the forming boss (5) and the forming groove (4) on the surface of the base (3) are identical in shape, and the base (3) and the forming boss (5) are detachably connected with the lower die holder (1) and the upper die holder (2) through bolts respectively.