CN218532513U - Punching and bending die for excavator shell - Google Patents

Abstract

The utility model discloses an excavator shell is with mould of bending that punches a hole relates to the mould design field, including the die block, the glide plane has all been seted up to four corners at die block top, the T shape spout of having seted up at the glide plane top, the inner wall slidable mounting of T shape spout has the T-shaped piece, the slider is installed at the top of T-shaped piece. The utility model discloses well slider is under the effort of punching press subassembly, remove along T shape spout, top plane and the top plane coincidence of die block up to the slider, the slider forms the shape that the metal sheet will take shape with the die block, under the effort of punching press subassembly, the rectangle metal sheet is bent into the shape that will take shape, then the external force is cancelled to the punching press subassembly, ejecting subassembly is used for upwards ejecting the slider, four sliders are close to each other, make the metal sheet after taking shape break away from the die block, make its all inner walls contact with the lateral wall of slider simultaneously, can not take shape the shell like this and can block on the mould.

Description

Punching and bending die for excavator shell

Technical Field

The utility model relates to a mold design field, in particular to excavator shell is with mould of bending that punches a hole.

Background

The mould, the industrial production is used for getting the various moulds and tools of the desired product by injection molding, blow molding, extrusion, die-casting or forging forming, smelting, stamping, etc., in short, the mould is the tool used for making the shaping article, this kind of tool is formed by various parts, different moulds are formed by different parts, it mainly realizes the processing of the appearance of the article through the change of the physical state of the shaping material, it has the name of "industrial mother", make the blank become the tool with particular shape and finished piece of the size under the external force, widely used in blanking, die forging, cold heading, extrusion, powder metallurgy pressing, pressure casting, and the shaping process of compression molding or injection molding of products such as engineering plastics, rubber, ceramic, etc., the mould has particular outline or cavity shape, use the outline shape with cutting edge can make the blank separate (blank) according to the outline shape.

In the prior art, a punching and bending die is used for a general excavator shell, when a forming shell of an excavator can be clamped on the die, a worker often needs to pry the shell by using a related tool, so that the labor and the time are wasted, and the punching and bending die for the excavator shell is easy to damage.

SUMMERY OF THE UTILITY MODEL

The application aims to provide a punching and bending die for an excavator shell, which aims to solve the problems in the background technology and adopts the principle of demoulding of a sliding block to enable the formed shell to easily fall off from the die.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides an excavator shell is with mould of bending that punches a hole, includes the die block, the slip surface has all been seted up to four corners at die block top, the T-shaped spout of having seted up at the slip surface top, the inner wall slidable mounting of T-shaped spout has the T-shaped piece, the slider is installed, four at the top of T-shaped piece one side portion of slider is provided with ejecting subassembly, ejecting subassembly be used for with the slider is ejecting upwards, the bottom of die block is provided with supporting component, supporting component is used for supporting whole mould, supporting component's top is provided with the punching press subassembly, the punching press subassembly can be bent the material punching press.

The die is placed on the corresponding hydraulic machine, then the regular rectangular metal plate is placed above the top of the bottom die, namely the top of the four sliding blocks, after the center of the rectangular metal plate is aligned with the center of the top of the bottom die, the punching assembly can punch and bend the rectangular metal plate under the action of the hydraulic machine, in the process, the sliding blocks move along the T-shaped sliding grooves under the action force of the punching assembly until the top plane of the sliding blocks is superposed with the top plane of the bottom die, the sliding blocks and the bottom die form the shape to be formed by the metal plate, the rectangular metal plate is bent into the shape to be formed under the action force of the punching assembly, then the external force is removed from the punching assembly, the ejecting assembly is used for ejecting the sliding blocks upwards, the four sliding blocks are close to each other, the formed metal plate is separated from the bottom die, meanwhile, the four peripheral inner walls of the sliding blocks are not contacted with the outer side walls of the sliding blocks, and therefore, the formed shell cannot be clamped on the die.

Preferably, a sliding cavity is formed in the middle of the top of the bottom die, the ejection assembly comprises an ejection column, the ejection column is slidably mounted on the inner wall of the sliding cavity, a first return spring is arranged at the bottom of the ejection column, two ends of the first return spring are respectively in contact with the ejection column and the bottom of the sliding cavity, and a connection assembly is arranged at the top of the ejection column.

Further, when the slider moves downward under the force of the punch assembly, the first return spring is compressed, and when the force is no longer applied by the punch assembly, the first return spring is reset, and the slider is pushed to the original position through the ejection column and the connecting assembly.

Preferably, the connecting assembly comprises a cross shell plate and four guide plates, the four guide plates are arranged on the inner walls of the four ends of the cross shell plate in a sliding mode on average, one side portions of the guide plates are arranged on the sliding blocks, and the middle portion of the bottom of the cross shell plate is arranged at the top of the ejection column.

Furthermore, the cross shell plate and the four guide plates are matched with each other, so that the four sliding blocks can move synchronously.

Preferably, the supporting component comprises a bottom plate, a plurality of supporting plates distributed equidistantly are installed at the top of the bottom plate, the top of each supporting plate is installed on the bottom of the bottom die, four positioning rods are installed at the top of the bottom plate, each positioning rod is averagely close to the bottom die and is perpendicular to the bottom plate, and the buffering components are arranged at four corners of the top of the bottom plate.

Furthermore, the bottom die is lifted by the supporting plate, the punched waste material of the punching assembly can fall on the bottom plate and is not arranged inside the bottom die when the bottom die punches a hole, and cleaning is facilitated.

Preferably, buffer group includes reference column and solid fixed cylinder, install the bottom of reference column on the bottom plate, the lateral wall slidable mounting of reference column is in gu fixed cylinder's top, gu fixed cylinder's top is installed the kicking block, the mid-mounting of kicking block bottom has the forming module, gu fixed cylinder's lateral wall cup joints and installs third reset spring, third reset spring's both ends respectively with gu fixed cylinder with the bottom plate contacts.

Furthermore, under the action of external force, the third return spring is compressed and generates counter force at the same time, and under the condition of removing under the action of external force, the counter force is applied to the bottom of the fixed cylinder at the moment, so that the whole top block returns to the original position.

Preferably, a plurality of fixed rods distributed at equal intervals are arranged at the top of the top block, a stress block is arranged at the top of each fixed rod, round holes are formed in four corners of the bottom of the stress block, the fixed rods are slidably mounted on the inner wall of the round holes, a second reset spring is sleeved on the outer side wall of each fixed rod, two ends of each second reset spring are respectively in contact with the stress block and the top block, a plurality of forming holes are formed in the top of the bottom die, a plurality of cutter outlet holes are formed in the top of the top block, the cutter outlet holes correspond to the forming holes, punching cutters are slidably mounted on the inner wall of each cutter outlet hole, and the tops of the punching cutters are mounted at the bottoms of the stress blocks.

Further, under the action of an external force, the second return spring is compressed, and meanwhile, an opposing force is generated, and under the condition that the second return spring is removed under the action of the external force, the opposing force is applied to the bottom of the force-bearing block.

Preferably, a clamping groove is formed in one face, opposite to the T-shaped sliding groove, of the T-shaped sliding groove, a moving groove is formed in one face, opposite to the T-shaped sliding groove, of the T-shaped sliding groove, an inclined block is slidably mounted on the inner wall of the moving groove, a guide hole is formed in one side of the inclined block, a guide rod is slidably mounted on the inner wall of the guide hole, one side of the guide rod is mounted on one side of the inner wall of the moving groove, an ejection spring is mounted on the outer side wall of the guide rod in a sleeved mode, and two ends of the ejection spring are respectively in contact with the inclined block and one side of the moving groove.

Furthermore, when the moving groove of the T-shaped sliding groove is aligned with the clamping groove of the T-shaped block, the ejection spring acts on one side of the inclined block at the moment, so that the inclined block enters the clamping groove, the T-shaped block cannot move upwards at the moment, the limiting is completed, and the sliding block is prevented from being separated from the bottom die.

This practical theory of operation:

to sum up, the utility model discloses a technological effect and advantage:

1. the utility model discloses in, the slider is under the effort of punching press subassembly, remove along T shape spout, top plane and the top plane coincidence of die block up to the slider, the slider forms the shape that the metal sheet will take shape with the die block, under the effort of punching press subassembly, the rectangle metal sheet is bent into the shape that will take shape, then the punching press subassembly withdraws external force, ejecting subassembly is used for upwards ejecting the slider, four sliders are close to each other, make the metal sheet after taking shape break away from the die block, make its all inner walls contact with the lateral wall of slider simultaneously, can not take shape the shell like this and can block on the mould.

2. The utility model discloses in, when the shifting chute of T shape spout was aligned with the joint groove of T-shaped piece, ejecting spring acted on one side of oblique piece this moment, made the oblique piece enter into the inside in joint groove, and T-shaped piece can not the rebound this moment, accomplished spacingly, prevented that the slider from breaking away from the die block.

Drawings

In order to more clearly illustrate the embodiments of the present application 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 is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic perspective view of a punching and bending die for an excavator shell in this embodiment;

FIG. 2 is a schematic view of the cutaway structure of FIG. 1;

FIG. 3 is a schematic top view of the present embodiment;

FIG. 4 isbase:Sub>A schematic view of the sectional structure A-A of FIG. 3;

fig. 5 is an enlarged schematic view of a portion a of fig. 4.

In the figure: 1. bottom die; 2. positioning a rod; 3. forming a hole; 4. a slider; 5. a guide plate; 6. a cross shell plate; 7. a forming module; 8. a top block; 9. a fixing rod; 10. a second return spring; 11. a stress block; 12. punching a hole cutter; 13. a support plate; 14. a base plate; 15. a positioning column; 16. a T-shaped block; 17. ejecting the column; 18. a fixed cylinder; 19. a first return spring; 20. a tapered block; 21. ejecting a spring; 22. a guide rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment is as follows: referring to fig. 1-5, the punching and bending die for the excavator shell comprises a bottom die 1, wherein the shape of the bottom die 1 is determined according to the excavator shell.

The slip planes have all been seted up to four corners at die block 1 top, and the T shape spout has been seted up at the slip plane top, and the inner wall slidable mounting of T shape spout has T-shaped piece 16, and it mutually supports with T-shaped piece 16 to explain T shape spout here, can guarantee that slider 4 is upwards rectilinear motion along the slip plane.

The top of the T-shaped block 16 is provided with the sliders 4, one side of each of the four sliders 4 is provided with an ejection assembly, the ejection assemblies are used for ejecting the sliders 4 upwards, the bottom of the bottom die 1 is provided with a supporting assembly, the supporting assembly is used for supporting the whole die, the top of the supporting assembly is provided with a stamping assembly, the stamping assembly can stamp and bend materials, and here, it needs to be explained that the die is suitable for regular rectangular metal plates.

The die is placed on the corresponding hydraulic machine, then the regular rectangular metal plate is placed above the top of the bottom die 1, namely the top of the four sliding blocks 4, after the center of the rectangular metal plate is aligned with the center of the top of the bottom die 1, the rectangular metal plate can be punched and bent by the punching assembly under the action of the hydraulic machine, in the process, the sliding blocks 4 move along the T-shaped sliding grooves under the action of the punching assembly until the top planes of the sliding blocks 4 are overlapped with the top plane of the bottom die 1, the sliding blocks 4 and the bottom die 1 form the shape to be formed by the metal plate, the rectangular metal plate is bent into the shape to be formed under the action of the punching assembly, then the external force of the punching assembly is removed, the ejecting assembly is used for ejecting the sliding blocks 4 upwards, the four sliding blocks 4 are close to each other, the formed metal plate is separated from the bottom die 1, meanwhile, the inner walls of the four peripheries of the ejecting assemblies are not contacted with the outer side walls of the sliding blocks 4, and therefore, a shell cannot be clamped on the die.

As a preferred embodiment of this embodiment, as shown in fig. 5, a sliding cavity is formed in the middle of the top of the bottom die 1, the ejection assembly includes an ejection post 17, the ejection post 17 is slidably mounted on the inner wall of the sliding cavity, a first return spring 19 is disposed at the bottom of the ejection post 17, two ends of the first return spring 19 are respectively in contact with the ejection post 17 and the bottom of the sliding cavity, a connection assembly is disposed at the top of the ejection post 17, when the slider 4 moves downward under the action of the punching assembly, the first return spring 19 is compressed, when the punching assembly does not apply any action force any more, the first return spring 19 resets, and the slider 4 is pushed to the original position through the ejection post 17 and the connection assembly.

In this embodiment, as shown in fig. 1, the connecting assembly includes a cross shell 6 and four guide plates 5, the four guide plates 5 are installed on the inner wall of the four ends of the cross shell 6 in an average sliding manner, one side of each guide plate 5 is installed on the corresponding slider 4, the middle of the bottom of the cross shell 6 is installed at the top of the corresponding ejection column 17, and the cross shell 6 and the four guide plates 5 are matched with each other, so that the four sliders 4 can move synchronously.

As a preferred embodiment of this embodiment, as shown in fig. 5, the supporting assembly includes a bottom plate 14, a plurality of supporting plates 13 are installed on the top of the bottom plate 14 and are distributed equidistantly, the top of the supporting plate 13 is installed on the bottom of the bottom mold 1, four positioning rods 2 are installed on the top of the bottom plate 14, each positioning rod 2 is averagely close to one side of four vertical bottom plates 14 of the bottom mold 1, four corners of the top of the bottom plate 14 are respectively provided with a buffering assembly, the bottom mold 1 is lifted by the supporting plate 13, and the punched waste material of the punching assembly falls on the bottom plate 14 and is not inside the bottom mold 1 when the bottom mold 1 punches a hole, thereby facilitating cleaning.

In this embodiment, as shown in fig. 2, the buffer group includes a positioning column 15 and a fixed cylinder 18, the bottom of the positioning column 15 is installed on the bottom plate 14, the outer side wall of the positioning column 15 is slidably installed at the top of the fixed cylinder 18, the top block 8 is installed at the top of the fixed cylinder 18, the middle part of the bottom of the top block 8 is provided with the forming module 7, the outer side wall of the positioning column 15 is sleeved with a third return spring, two ends of the third return spring are respectively contacted with the fixed cylinder 18 and the bottom plate 14, under the action of external force, the third return spring is compressed, and meanwhile, the counter force is generated, under the condition of being removed under the action of external force, the counter force is applied to the bottom of the fixed cylinder 18 at the moment, and the whole top block 8 is returned to the original position.

In this embodiment, as shown in fig. 1, a plurality of fixing rods 9 distributed equidistantly are provided at the top of the top block 8, the top of the fixing rod 9 is provided with a stressed block 11, four corners of the bottom of the stressed block 11 are all provided with round holes, the fixing rod 9 is slidably mounted on the inner wall of the round hole, the outer side wall of the fixing rod 9 is sleeved with a second return spring 10, two ends of the second return spring 10 are respectively in contact with the stressed block 11 and the top block 8, the top of the bottom block 1 is provided with a plurality of forming holes 3, the top of the top block 8 is provided with a plurality of knife outlet holes, the knife outlet holes correspond to the forming holes 3, the inner wall of the knife outlet holes is slidably mounted with a punching knife 12, the top of the punched knife 12 is mounted at the bottom of the stressed block 11, under the action of an external force, the second return spring 10 is compressed, and an opposing force is generated at the same time, under the condition of being removed under the action of the external force, the action, the opposing force is exerted at this moment at the bottom of the stressed block 11.

As a preferred embodiment of this embodiment, as shown in fig. 5, a clamping groove is formed on a side of the T-shaped block 16 opposite to the T-shaped chute, a moving groove is formed on a side of the T-shaped chute opposite to the T-shaped block 16, an inclined block 20 is slidably mounted on an inner wall of the moving groove, a guide hole is formed on one side of the inclined block 20, a guide rod 22 is slidably mounted on an inner wall of the guide hole, one side of the guide rod 22 is mounted on one side of the inner wall of the moving groove, an ejecting spring 21 is sleeved on an outer side wall of the guide rod 22, two ends of the ejecting spring 21 are respectively in contact with one side of the inclined block 20 and one side of the moving groove, when the moving groove of the T-shaped chute is aligned with the clamping groove of the T-shaped block 16, the ejecting spring 21 acts on one side of the inclined block 20 to enable the inclined block 20 to enter the inside of the clamping groove, at this time, the T-shaped block 16 cannot move upward, so that the limiting is completed, and the slider 4 is prevented from being separated from the bottom mold 1.

This practical theory of operation:

the die is placed on a corresponding hydraulic machine, then a regular rectangular metal plate is placed above the top of a bottom die 1, namely the rectangular metal plate is placed on the tops of four sliding blocks 4, after the center of the rectangular metal plate is aligned with the center of the top of the bottom die 1, a stamping assembly can stamp and bend the rectangular metal plate under the action of the hydraulic machine, in the process, the sliding blocks 4 move along T-shaped sliding grooves under the action of the stamping assembly until the top plane of the sliding blocks 4 is superposed with the top plane of the bottom die 1, the sliding blocks 4 and the bottom die 1 form the shape to be formed by the metal plate, the rectangular metal plate is bent into the shape to be formed under the action of the stamping assembly, then the external force of the stamping assembly is removed, the ejection assembly is used for ejecting the sliding blocks 4 upwards, the four sliding blocks 4 are close to each other, the formed metal plate is separated from the bottom die 1, meanwhile, the inner walls of the four peripheries of the ejection assemblies are not contacted with the outer side walls of the sliding blocks 4, and a shell cannot be clamped on the die.

When the moving groove of the T-shaped sliding groove is aligned with the clamping groove of the T-shaped block 16, the ejection spring 21 acts on one side of the inclined block 20 at the moment, so that the inclined block 20 enters the clamping groove, the T-shaped block 16 cannot move upwards at the moment, the limiting is completed, and the sliding block 4 is prevented from being separated from the bottom die 1; the bottom die 1 is lifted by the supporting plate 13, so that the punched waste material falls on the bottom plate 14 and is not in the bottom die 1 when the bottom die 1 punches a hole, and cleaning is facilitated.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (7)

1. The utility model provides an excavator shell is with mould of bending that punches a hole, includes die block (1), its characterized in that: the die block comprises a bottom die (1), and is characterized in that four corners at the top of the bottom die (1) are provided with sliding surfaces, a T-shaped sliding groove is formed in the top of each sliding surface, a T-shaped block (16) is slidably mounted on the inner wall of the T-shaped sliding groove, a sliding block (4) is mounted at the top of the T-shaped block (16), four ejection assemblies are arranged on one side of the sliding block (4), each ejection assembly is used for ejecting the sliding block (4) upwards, a supporting assembly is arranged at the bottom of the bottom die (1), the supporting assembly is used for supporting the whole die, a stamping assembly is arranged at the top of the supporting assembly, and the stamping assembly can stamp and bend materials.

2. The punching and bending die for the excavator shell as claimed in claim 1, wherein the die comprises: the middle part at die block (1) top has been seted up the slip chamber, ejecting subassembly includes ejecting post (17), ejecting post (17) slidable mounting be in on the inner wall in slip chamber, the bottom of ejecting post (17) is provided with first reset spring (19), the both ends of first reset spring (19) respectively with ejecting post (17) with the bottom in slip chamber contacts, the top of ejecting post (17) is provided with coupling assembling.

3. The punching and bending die for the excavator shell as claimed in claim 2, wherein the punching and bending die comprises: the connecting assembly comprises a cross shell plate (6) and four guide plates (5), the four guide plates (5) are arranged on the inner walls of the four ends of the cross shell plate (6) in a mean sliding mode, one side portions of the guide plates (5) are arranged on the sliding block (4), and the middle portion of the bottom of the cross shell plate (6) is arranged at the top of the ejection column (17).

4. The punching and bending die for the excavator shell as claimed in claim 1, wherein the die comprises: the supporting component comprises a bottom plate (14), a plurality of supporting plates (13) distributed equidistantly are installed at the top of the bottom plate (14), the top of each supporting plate (13) is installed on the bottom of the bottom die (1), four positioning rods (2) are installed at the top of the bottom plate (14), each positioning rod (2) is averagely close to four vertical bottom die (1) on one surface of the bottom plate (14), and four corners at the top of the bottom plate (14) are provided with buffering components.

5. The punching and bending die for the excavator shell according to claim 4, characterized in that: buffer group includes reference column (15) and solid fixed cylinder (18), install the bottom of reference column (15) on bottom plate (14), the lateral wall slidable mounting of reference column (15) is in the top of solid fixed cylinder (18), kicking block (8) are installed at the top of solid fixed cylinder (18), the mid-mounting of kicking block (8) bottom has forming module (7), the lateral wall of reference column (15) cup joints and installs third reset spring, third reset spring's both ends respectively with gu fixed cylinder (18) with bottom plate (14) contact.

6. The punching and bending die for the excavator shell according to claim 5, characterized in that: the utility model discloses a cutter punching die, including dead lever (9), bearing block (11), round hole have all been seted up to four corners of bearing block (11) bottom, dead lever (9) slidable mounting is on the inner wall of round hole, the lateral wall of dead lever (9) cup joints installs second reset spring (10), the both ends of second reset spring (10) respectively with bearing block (11) with top block (8) contact, a plurality of shaping holes (3) have been seted up at the top of die block (1), a plurality of play sword holes are seted up at the top of top block (8), go out the sword hole with shaping hole (3) are corresponding, the inner wall slidable mounting who goes out the sword hole has punching knife (12), the top of punching knife (12) is installed the bottom of bearing block (11).

7. The punching and bending die for the excavator shell as claimed in claim 1, wherein the die comprises: t-shaped piece (16) with the joint groove has been seted up to the one side that the T-shaped spout is relative, the T-shaped spout with the shifting chute has been seted up to the one side that the T-shaped piece (16) is relative, the inner wall slidable mounting of shifting chute has oblique piece (20), the guiding hole has been seted up on one side of oblique piece (20), the inner wall slidable mounting of guiding hole has guide bar (22), install on one side of guide bar (22) one side of shifting chute inner wall, the lateral wall cup joints of guide bar (22) and installs ejecting spring (21), the both ends of ejecting spring (21) respectively with oblique piece (20) with one side of shifting chute contacts.

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