CN215614381U

CN215614381U - Double-sided punching mechanism with closed cavity

Info

Publication number: CN215614381U
Application number: CN202120889746.8U
Authority: CN
Inventors: 周胜; 解旭; 李申
Original assignee: Ningbo Minth Automotive Parts Research and Development Co Ltd
Current assignee: Ningbo Minth Automotive Parts Research and Development Co Ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2022-01-25
Anticipated expiration: 2031-04-27

Abstract

The utility model discloses a double-sided punching mechanism of a closed cavity, which solves the problem of poor punching quality of the closed cavity surface in the prior art, and comprises a product mounting component, a lower die component, an upper die component and a side punching component, wherein the product mounting component is arranged into a first inclined slide block, a second inclined slide block and a third inclined slide block, a first elastic part is arranged on the lower die, a second elastic part is arranged on the upper die, only the first elastic part acts on the third inclined slide block before die assembly and after die opening, so that the third inclined slide block moves upwards, the width of the product mounting component is reduced, a product is convenient to mount or take down, after die assembly, the second elastic part moves downwards along with the upper die, and transmits the elastic force to the top of the third inclined slide block through a block, at the moment, the elastic force of the second elastic part is greater than that of the first elastic part, so that the third inclined slide block moves downwards, and the width of the product mounting component is increased, the product is supported and compacted, the surface collapse of the product in the punching process is reduced, and the product quality is improved.

Description

Double-sided punching mechanism with closed cavity

Technical Field

The utility model relates to the technical field of punching mechanisms, in particular to a double-sided punching mechanism with a closed cavity.

Background

With the rapid development of the automobile industry, the automobile style is changing day by day, the light weight of automobile products is rapidly developed, and the structures of automobile parts are more and more complex. Aluminum profiles are increasingly applied to automobiles, and are used for sealing products such as round or square profile section parts, namely, anti-collision beams, wheel covers, energy absorption boxes, door anti-collision rods, fireproof beams and the like. For the machining of holes with high precision requirements, CNC drilling or twice punching is generally adopted. The CNC drilling efficiency is low, the productivity is low, some CNC drilling machines also need to customize special drill bits, burrs are easy to generate during drilling, the subsequent deburring process needs to be added, and some product customers do not allow burrs to remain; and the requirements of the two-time punching on the verticality, the surface profile degree and the like of the sawed section of the product section are improved, the processing difficulty of the previous working procedure is increased, but due to the adoption of cantilever punching, the mould core is subjected to punching collapse due to the stress of the cantilever, the profile degree of the punched surface of the product is ultra-poor, and the product quality is reduced.

Disclosure of Invention

The utility model has been made in view of the above problems, and an object of the present invention is to provide a double-sided die cutting mechanism with a closed cavity, which can improve the productivity and quality of products.

In order to achieve the above object, the present invention provides a double-sided die cutting mechanism with a closed cavity, comprising:

the product mounting assembly comprises a first inclined sliding block and a second inclined sliding block, a gap is formed between the first inclined sliding block and the second inclined sliding block, the width of the gap is gradually reduced from top to bottom, and a third inclined sliding block is arranged in the gap;

the lower die assembly comprises a lower die and a first elastic piece arranged above the lower die, and one end of the first elastic piece is connected with the bottom of the third inclined sliding block;

the upper die assembly is arranged above the product mounting assembly in a lifting mode and comprises an upper die, a second elastic piece arranged below the upper die and a hitting block connected with the bottom of the second elastic piece, when the upper die assembly and the lower die assembly are closed, the hitting block is abutted against the top of the third inclined sliding block, and the elasticity of the second elastic piece is larger than that of the first elastic piece;

and the two side punching assemblies are respectively arranged at two sides of the product mounting assembly.

According to the closed cavity double-sided punching mechanism, one side of the first inclined slide block, which is opposite to the second inclined slide block, is provided with a first inclined surface and a second inclined surface respectively, and the inclination directions of the first inclined surface and the second inclined surface are opposite; and two opposite side surfaces of the third inclined slide block are respectively attached to the first inclined surface and the second inclined surface.

According to the double-sided punching mechanism with the closed cavity, the lower die assembly further comprises a supporting plate and a fixing seat, the supporting plate is arranged on the lower die, the fixing seat is arranged on the supporting plate, one end of the product mounting assembly is arranged in the fixing seat, a guide pillar is arranged in the fixing seat, the guide pillar penetrates through the third inclined sliding block, and the third inclined sliding block can move up and down along the guide pillar.

According to the double-sided punching mechanism for the closed cavity, the rectangular through groove is formed in the fixing seat, and one end of the product mounting assembly is arranged in the rectangular through groove.

According to the double-sided die cutting mechanism with the closed cavity, the first elastic piece is set to be the return spring, and the second elastic piece is set to be the nitrogen spring.

According to the closed cavity double-sided punching mechanism, each side punching assembly comprises a fixing plate, a push plate, a material pressing plate and a punch, the fixing plate is arranged on one side of the supporting plate, and the material pressing plate is positioned on one side of the product mounting assembly; the push plate is located between the fixed plate and the pressure plate and used for driving the pressure plate.

According to the closed cavity double-sided punching mechanism, the side punching component also comprises a plurality of linkage plates; the linkage plates are arranged between the push plate and the material pressing plate and connected with the push plate and the material pressing plate, one end of the punch is movably arranged in the linkage plates, and the other end of the punch can be inserted in the product mounting assembly.

According to the double-sided punching mechanism with the closed cavity, the first connecting shaft is arranged on the inner side of the fixing plate, and the push plate is movably arranged on the first connecting shaft.

According to the double-sided punching mechanism with the closed cavity, the first inclined pushing face is arranged on the outer side of the pushing plate, the extruding plate is arranged between the pushing plate and the fixing plate, the second inclined pushing face is arranged on the extruding plate, and the second inclined pushing face is attached to the first inclined pushing face.

The utility model has the following beneficial effects:

1. when the compound die, the elasticity of second elastic component is greater than the elasticity of first elastic component, then beat the piece and will push down the third slider to one side, with the lateral motion of the slider to one side of first slider to one side and second, and then prop the real product of establishing in the slider outside to one side, then the side blow subassembly begins to punch a hole, because be in and prop the real state, can reduce because of the face that die-cut leads to collapses, improves surface quality.

2. Before the die is closed or after the die is opened, the hitting block is not connected with the third inclined slide block and cannot provide a downward force for the third inclined slide block, so that the third inclined slide block receives the upward elastic force of the first elastic piece, the third inclined slide block moves upwards, the first inclined slide block and the second inclined slide block move inwards, the product is conveniently sleeved on the inclined slide blocks, and the product is also conveniently taken down.

3. Both sides of the product mounting assembly are provided with side punching assemblies, so that both sides of the product can be simultaneously processed, and the processing efficiency is improved.

4. The product is processed by adopting a punching mode, so that the performance of the product can be improved.

5. Simple structure, the mould is debugged more conveniently.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the product mounting assembly of the present invention;

FIG. 3 is a cross-sectional view of the sidepunch assembly of the present invention;

FIG. 4 is a side view of the lower and upper die assemblies of the present invention;

FIG. 5 is a schematic view of the assembly of the lower and upper die assemblies and the product mounting assembly of the present invention;

in the figure: 100. a product mounting assembly; 110. a first inclined slider; 120. a second inclined slide block; 130. a third inclined slide block; 200. a lower die assembly; 210. a lower die; 220. a return spring; 230. a support plate; 240. a fixed seat; 241. a guide post; 300. an upper die assembly; 310. an upper die; 320. a nitrogen spring; 330. blocking; 400. a side punching component; 410. a fixing plate; 411. a first connecting shaft; 420. pushing the plate; 430. a material pressing plate; 440. a punch; 450. a linkage plate; 460. and (5) pressing the plate.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1-5, a closed cavity double-sided die cutting mechanism includes:

the product installation assembly 100, the product installation assembly 100 includes the first oblique slider 110 and the second oblique slider 120, there is a gap between the first oblique slider 110 and the second oblique slider 120, the width of the gap decreases progressively from top to bottom, and there is the third oblique slider 130 in the gap, wherein the product is wrapped on the product installation assembly 100, the gap decreases progressively from top to bottom, when the third oblique slider 130 moves upwards, because the gap on the upper side is bigger, the first oblique slider 110 and the second oblique slider 120 will move towards the middle, reduce the width of the whole product installation assembly 100, and when the third oblique slider 130 moves downwards, the third oblique slider 130 will squeeze the first oblique slider 110 and the second oblique slider 120, increase the width of the whole product installation assembly 100, when the width of the product installation assembly 100 decreases, it is convenient to install or take down the product, when the width of the product installation assembly 100 increases, the product can be supported firmly, and the face collapse caused by punching is reduced.

The lower die assembly 200, the lower die assembly 200 includes a lower die 210 and a first elastic member disposed above the lower die 210, one end of the first elastic member is connected to the bottom of the third slider 130, the lower die 210 is a fixed die and is kept stationary, the first elastic member supports the third slider 130, and the third slider 130 moves upward due to the elastic force of the first elastic member, so that the first slider 110 and the second slider 120 both move toward the middle, the width of the product mounting assembly 100 is reduced, and the product can be conveniently taken down or mounted.

The upper die assembly 300 is arranged above the product mounting assembly 100 in a lifting manner, the upper die assembly 300 comprises an upper die 310, a second elastic piece arranged below the upper die 310 and a hitting block 330 connected with the bottom of the second elastic piece, when the upper die assembly 300 and the lower die assembly 200 are closed, the hitting block 330 is abutted against the top of the third inclined slide block 130, the elastic force of the second elastic piece is greater than that of the first elastic piece, the upper die 310 is a movable die, the upper die 310 moves downwards in the closing process, the hitting block 330 and the second elastic piece move downwards along with the upper die until the hitting block 330 is abutted against the top of the third inclined slide block 130, at the moment, the second elastic piece continuously drives the upper die 310 to move, the pressure of the hitting block 330 is continuously increased, when the die is completely closed, the elastic force provided by the second elastic piece is greater than that provided by the first elastic piece, the third inclined slide block 130 moves downwards, and the first inclined slide block 110 and the second inclined slide block 120 are outwardly pressed, the product is supported firmly, and the mold opening process is opposite.

Preferably, the first elastic member is provided as a return spring 220, and the second elastic member is provided as a nitrogen spring 320.

And the two side punching assemblies 400 are respectively arranged at two sides of the product mounting assembly. After the compound die, two side blow subassemblies 400 die-cut the product both sides simultaneously, adopt die-cut mode to process and can improve the productivity of product, simultaneously because the product is in the state of propping closely all the time at die-cut in-process, can reduce because of the face that die-cut leads to collapses, improves the surface quality of product.

A first inclined plane and a second inclined plane are respectively arranged on the opposite sides of the first inclined slide block 110 and the second inclined slide block 120, and the inclination directions of the first inclined plane and the second inclined plane are opposite; the opposite two side surfaces of the third inclined slide block 130 are respectively attached to the first inclined surface and the second inclined surface, in the mold opening and closing process, the first inclined surface and the second inclined surface are always attached to the opposite two side surfaces of the third inclined slide block 130, only the size of the attachment area is different, and when the third inclined slide block 130 moves to the bottommost part, the attachment area is the largest.

The lower die assembly 200 further comprises a supporting plate 230 and a fixing seat 240, the supporting plate 230 is arranged on the lower die, the fixing seat 240 is arranged on the supporting plate 230, one end of the product mounting assembly 100 is arranged in the fixing seat 240, a guide pillar 241 is arranged in the fixing seat 240, the guide pillar 241 penetrates through the third inclined sliding block 130, the third inclined sliding block 130 can move up and down along the guide pillar 241, the guide pillar 241 is used for limiting the third inclined sliding block 130, the third inclined sliding block 130 is limited to move only in the up-and-down direction, and the third inclined sliding block 130 is prevented from being pressed to cause deviation.

A rectangular through groove is formed in the fixing seat 240, one end of the product mounting assembly 100 is arranged in the rectangular through groove, the fixing seat 240 is used for providing support for the product mounting assembly 100, and the rectangular through groove does not limit the movement of the oblique sliding block of the product mounting assembly 100.

Every side punching subassembly 400 all includes fixed plate 410, push pedal 420, press flitch 430 and drift 440, fixed plate 410 sets up the one side at backup pad 230, press flitch 430 to be located one side of product installation component 100, push pedal 420 is located between fixed plate 410 and the pressure flitch 430, and be used for driving and press flitch 430, push pedal 420 moves towards the product side, and drive and press flitch 430 to move towards the product side together, utilize press flitch 430 to extrude the product fixed, after fixed, utilize drift 440 to carry out die-cut processing to the product, the side punching subassembly 400 structure of product installation component 100 both sides is the same, be used for carrying out die-cut processing to the product both sides simultaneously.

The sidekick assembly 400 further includes a number of linkage plates 450; the linkage plates 450 are arranged between the push plate 420 and the pressing plate 430 and connected with the push plate 420 and the pressing plate 430, one end of the punch 440 is movably arranged in the linkage plates 450, the other end of the punch 440 can be inserted into the product mounting assembly 100, the linkage plates 450 are used for transmitting actions, and the punch 440 can be driven by other power parts arranged in the linkage plates 450 to perform punching actions.

The inner side of the fixing plate 410 is provided with a first connecting shaft 411, and the push plate 420 is movably disposed on the first connecting shaft 411, that is, the push plate 420 can move along the axial direction of the connecting shaft, in this embodiment, the axial direction of the connecting shaft is horizontal, and the push plate 420 can move in the horizontal direction, and drives the pressure plate 430 to move in the horizontal direction.

The outside of the push plate 420 is provided with a first inclined pushing surface, and the extrusion plate 460 is arranged between the push plate 420 and the fixing plate 410, the extrusion plate 460 is provided with a second inclined pushing surface, the second inclined pushing surface is attached to the first inclined pushing surface, in this embodiment, when the extrusion plate 460 moves downwards, the push plate 420 can move towards the product direction through the cooperation of the second inclined pushing surface and the first inclined pushing surface, and the movement of the push plate 420 is realized through the extrusion plate 460.

The utility model provides a double-sided punching mechanism with a closed cavity, which is characterized in that a product mounting assembly is provided with a first inclined slide block, a second inclined slide block and a third inclined slide block, wherein the third inclined slide block is arranged between the first inclined slide block and the second inclined slide block, the distance between the first inclined slide block and the second inclined slide block is determined by the up-and-down movement of the third inclined slide block, a first elastic piece is arranged on a lower die, a second elastic piece is arranged on an upper die, only the first elastic piece acts on the third inclined slide block before die assembly and after die assembly, so that the third inclined slide block moves upwards, the distance between the first inclined slide block and the second inclined slide block is reduced, the product is convenient to mount or remove, after die assembly, the second elastic piece moves downwards along with the upper die, and transmits the elastic force to the top of the third inclined slide block through a hitting block, and at the moment, the elastic force of the second elastic piece is greater than the elastic force of the first elastic piece, so that the third inclined slide block moves downwards, increase the distance between first oblique slider and the oblique slider of second, prop the real product, reduce the product and collapse at die-cut in-process face, improve product quality.

The technical solutions of the present invention are explained in detail above with reference to the accompanying drawings, and the described embodiments are used to help understanding the idea of the present invention. The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. A closed cavity double-sided punching mechanism is characterized by comprising:

2. The closed cavity double-sided die cutting mechanism according to claim 1, wherein a first inclined surface and a second inclined surface are respectively arranged on the opposite sides of the first inclined slide block and the second inclined slide block, and the inclination directions of the first inclined surface and the second inclined surface are opposite; and two opposite side surfaces of the third inclined slide block are respectively attached to the first inclined surface and the second inclined surface.

3. The closed-cavity double-sided die cutting mechanism as claimed in claim 1, wherein the lower die assembly further comprises a supporting plate and a fixing seat, the supporting plate is disposed on the lower die, the fixing seat is disposed on the supporting plate, one end of the product mounting assembly is disposed in the fixing seat, and a guide post is disposed in the fixing seat, the guide post passes through the third inclined slide block, and the third inclined slide block can move up and down along the guide post.

4. A closed-cavity double-sided die cutting mechanism according to claim 3, wherein a rectangular through groove is formed in the fixing seat, and one end of the product mounting component is arranged in the rectangular through groove.

5. A closed-cavity double-sided die cutting mechanism according to claim 3, wherein the first elastic member is a return spring, and the second elastic member is a nitrogen spring.

6. The closed-cavity double-sided die cutting mechanism as claimed in claim 3, wherein each side punching assembly comprises a fixing plate, a push plate, a pressure plate and a punch, the fixing plate is arranged on one side of the supporting plate, and the pressure plate is arranged on one side of the product mounting assembly; the push plate is located between the fixed plate and the pressure plate and used for driving the pressure plate.

7. The closed-cavity double-sided die cutting mechanism according to claim 6, wherein the side punching assembly further comprises a plurality of linkage plates; the linkage plates are arranged between the push plate and the material pressing plate and connected with the push plate and the material pressing plate, one end of the punch is movably arranged in the linkage plates, and the other end of the punch can be inserted in the product mounting assembly.

8. The closed-cavity double-sided die cutting mechanism as claimed in claim 7, wherein a first connecting shaft is arranged on the inner side of the fixing plate, and the push plate is movably arranged on the first connecting shaft.

9. The closed cavity double-sided die cutting mechanism according to claim 8, wherein a first inclined pushing surface is arranged on the outer side of the pushing plate, an extrusion plate is arranged between the pushing plate and the fixing plate, a second inclined pushing surface is arranged on the extrusion plate, and the second inclined pushing surface is attached to the first inclined pushing surface.