CN114147113A

CN114147113A - Salient point beating device

Info

Publication number: CN114147113A
Application number: CN202111312645.5A
Authority: CN
Inventors: 杨卫海
Original assignee: Rongcheng Goer Technology Co ltd
Current assignee: Rongcheng Goer Technology Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-03-08
Anticipated expiration: 2041-11-08
Also published as: CN114147113B

Abstract

The invention discloses a dotting device which comprises a female die assembly, a convex die assembly and a control device, wherein the female die assembly comprises at least one female die insert and a quick-release insert; the concave die insert is a cylinder, and two ends of the concave die insert are respectively provided with a coaxial concave die which is used for accommodating the convex points when the convex points are punched; a first connecting part is arranged in the middle of the female die insert; the quick-release insert is a cylinder and comprises an operation end and a connecting end; a first through hole matched with the concave die insert in installation is formed in the length direction of the quick-release insert, and at least one second connecting part matched with the first connecting part in fixed connection is arranged at the operation end; the first connecting part and the second connecting part are connected to fix the female die insert in the first through hole. The invention improves the structure of the concave die insert, and the concave dies are respectively arranged at the two ends of the concave die insert, so that the concave die insert can be used for multiple times, the time consumption for maintenance is shortened, and the operation efficiency is improved; the service life of the concave die insert is prolonged, and the cost is reduced; the concave die insert is stably adjusted, and the quality of the convex points is improved.

Description

Salient point beating device

Technical Field

The invention belongs to the technical field of stamping process tools, and particularly relates to a salient point forming device.

Background

Bumping is an important process of stamping process, and is commonly present in the production process. The height dimension of the bumps is affected by the properties of the raw material, the thickness of the raw material, the wear condition of the die, the lubrication condition of the die, and the like.

In the production process, the convex point punching head and the convex point female die insert are abraded quickly, so that the convex point female die insert needs to be frequently adjusted and replaced. Long maintenance time, short service life of accessories, large loss, low operation efficiency and high cost; in addition, in the adjustment of the punch and the die insert in the prior art, the loss of the punch and the die insert is solved by welding and adjusting the quantity of gaskets, the adjustment frequency is high, the size fluctuation of the salient points is large, and the quality of the salient points is not easy to guarantee.

Disclosure of Invention

The invention provides a convex point beating device, which improves the structure of a concave die insert, enables the concave die insert to be used for multiple times, shortens the time consumed by maintenance and improves the operation efficiency; the service life of the concave die insert is prolonged, and the cost is reduced; the quality of the salient points is improved.

In order to solve the technical problems, the invention adopts the following technical scheme:

a cam punching device comprises a female die assembly, a cam assembly and a cam assembly, wherein the female die assembly comprises at least one female die insert and a quick-release insert;

the concave die insert is a cylinder, and two ends of the concave die insert are respectively provided with a coaxial concave die which is used for accommodating the convex points when the convex points are punched; a first connecting part is arranged in the middle of the female die insert;

the quick-release insert is a cylinder and comprises an operation end and a connecting end; a first through hole matched with the concave die insert in installation is formed in the length direction of the quick-release insert, and at least one second connecting part matched with the first connecting part in fixed connection is arranged at the operation end; the first connecting part and the second connecting part are connected to fix the female die insert in the first through hole.

In one embodiment, the female die assembly further comprises at least one key;

the first connecting part is a key groove which is perpendicular to the length direction of the concave die insert and is matched with the key in installation;

the second connecting part is a key groove which traverses the first through hole and is matched with the key in an installation way;

the keys are installed in the corresponding first and second connection portions.

In one embodiment, a limiting part is arranged on one side of the concave die insert; the side surface of the concave die insert comprises an arc side surface and a limiting side surface; the side surface of the limiting part corresponds to the limiting side surface, and the shape of the side surface is different from that of the arc side surface.

In one embodiment, the limiting side surface is a plane parallel to the axis of the arc side surface.

In an embodiment, the first key groove is located on the opposite side of the cavity insert from the limiting portion.

In one embodiment, the cavity die extends through the cavity die insert.

In some embodiments, the die comprises a lower die holder;

the quick-release insert is also provided with a second through hole which is a sinking platform hole and comprises a sinking platform; the sinking platform is arranged at the operation end;

the lower die base is provided with a screw hole corresponding to the second through hole; the connecting end is connected with the lower die holder; and the bolt is connected with the second through hole and the screw hole.

In some embodiments, the device further comprises a punch assembly, wherein the punch assembly comprises a punch, a punch outer insert and a cushion block;

the punch outer insert is a cylinder, and a third through hole matched with the punch and the cushion block in installation is formed in the length direction of the punch outer insert;

the punch and the cushion block are arranged in the third through hole; the cushion block is positioned above the punch and connected with the upper end of the punch.

In some embodiments, a plurality of said pads of different heights are configured; the height difference of the cushion blocks of the adjacent height sizes is the same.

In some embodiments, the punch is provided with a hanging platform, which is located at one end of the punch and is a boss with a diameter larger than that of the body of the punch; the diameter of the cushion block is the same as that of the hanging table.

Compared with the prior art, the invention has the advantages and positive effects that: the invention discloses a dotting device which comprises at least one female die insert with female dies arranged at two ends and a quick-release insert matched with the female die insert in installation; and the female die insert is detachably and fixedly arranged in the quick-release insert. When the female die at one end of the female die insert is worn, the female die insert and the quick-release insert are disassembled, and the other end of the female die insert which is not worn is installed at the operation end, so that the service life and the adjustment efficiency of the female die insert are improved, the cost is reduced, and the operation efficiency is improved. In addition, if a plurality of female die inserts can be installed on the quick-release insert, the service life of one female die assembly is further prolonged, the overall adjustment efficiency is further improved, and the cost is further reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural view of an embodiment of a bumping device according to the present invention;

FIG. 2 is a schematic view of the die assembly configuration;

FIG. 3 is a schematic cross-sectional view of the female die assembly;

FIG. 4 is a schematic view of a quick release insert structure;

FIG. 5 is a schematic view of a female mold insert configuration;

FIG. 6 is a schematic view of a female mold insert configuration;

FIG. 7 is a schematic cross-sectional view of the punch assembly construction;

fig. 8 is a schematic view of the punch structure.

In the figure, the position of the upper end of the main shaft,

1. a female die assembly; 2. a punch assembly; 3. a lower die holder; 4. a lower base plate; 5. a cavity plate; 6. an upper die holder; 7. an upper base plate; 8. a fixing plate; 9. a stopper plate; 10. a stripper plate; 20. an upper buffer spring; 30. a guide post; 11. a concave die insert; 111. a female die; 112. a first connection portion; 113. a limiting part; 1131. a limiting side surface; 114. a female die insert body; 1141. A circular arc side surface; 12. quickly disassembling the insert; 121. a working end; 122. a connecting end; 123. a first through hole; 1231. matching with the limiting side surface; 1232. matching with the arc side surface; 124. a second connecting portion; 125. a second through hole; 1251. sinking a platform; 13. a key; 14. a bolt; 21. a punch; 211. hanging a table; 212. a punch body; 22. a punch head outer insert; 221. a third through hole; 23. cushion blocks; 31. a screw hole; 51. and (4) forming a female die hole.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

Referring to fig. 1, 2, 3, 4 and 5, a dotting device according to the present invention includes a cavity die assembly 1 including at least one cavity die insert 11 and a quick release insert 12.

The die insert 11 is a cylinder, and two ends of the die insert 11 are respectively provided with a die 111 for accommodating the bumps during the bumping operation. The die 111 is a generally cylindrical recess having an axis disposed along the length of the die insert 11. Of course, the concave die 111 may be a groove with other shapes, such as a square groove.

A first connecting portion 112 is provided at a middle position in the longitudinal direction of the die insert 11.

The quick release insert 12 is a cylinder and includes a working end 121 and a connecting end 122. A first through hole 123 matched with the concave die insert 11 in installation is formed in the length direction of the quick-release insert 12; at least one die insert 11 is mounted in the first through hole 123. At least the working end 121 is provided with a second connecting part 124 corresponding to the first connecting part 112 and fitting with the first connecting part 112; the first connecting portion 112 of the cavity insert 11 mounted at the working end 121 corresponds to the second connecting portion 124, or the first connecting portions 112 of the cavity inserts 11 mounted in the first through holes 123 correspond to the second connecting portions 124 of the quick release insert 12, respectively; the corresponding first connecting portion 112 and the second connecting portion 124 are connected to fixedly connect the cavity insert 11 and the quick release insert 12 together.

The dotting device comprises at least one female die insert 11 with female dies 111 at two ends and a quick-release insert 12 which is matched with the female die insert 11 in an installing mode and is detachably and fixedly connected with the female die insert 11. The concave die insert 11 can be used at two ends; when the die 111 at one end of the die insert 11 is worn, the die insert 11 and the quick-release insert 12 are disassembled, and the other end of the die insert 11 without wear is installed at the operation end 121, so that the utilization rate of the die insert 11 is improved, the service life of the die insert 11 is further prolonged, and the cost is reduced. The maintenance of the female die assembly 1 is realized by changing the female die 111 of the female die insert 11 at the operation end 121 of the quick-release insert 12, the maintenance time is shortened, the maintenance efficiency is improved, and further the operation efficiency is improved.

When a plurality of cavity inserts 11 are installed in the quick release insert 12, when the cavity dies 111 at two ends of one of the cavity inserts 11 are worn, the other cavity inserts 11 installed in the quick release insert 12 are replaced to the working end 121. Further improve the deposit volume of dotting device to die mold insert 11, further prolong the life-span of die subassembly 1, reduce cost and improve the operating efficiency.

In one embodiment, referring to fig. 3, two cavity inserts 11 are mounted in the quick release insert 12; when the dies 111 at both ends of one of the die inserts 11 are worn, the other die insert is replaced to the working end 121.

In an embodiment, referring to fig. 1, 2, 3, 4 and 5, the die assembly 1 further comprises at least one key 13.

The first connecting portion 112 is a key groove provided at a middle position in the longitudinal direction of the cavity piece 11 to fit the key 13, and the longitudinal direction thereof tends to be perpendicular to the longitudinal direction of the cavity piece 11.

The second connecting part 124 is a key slot which transversely passes through the first through hole 123 and is matched with the key 13 in mounting, and the length direction of the second connecting part tends to be vertical to the axis of the first through hole 123; the first connection portion 112 of the die insert 11 mounted on the working end 121 corresponds to the second connection portion 124; the key 13 is installed in the corresponding first connection portion 112 and second connection portion 124, so that the cavity insert 11 and the quick release insert 12 are fixedly connected together.

The dotting device of this embodiment is connected through key 13 and can dismantle fixed connection with die mold insert 11 and quick detach mold insert 12 and be in the same place, not only guarantees that being connected of die mold insert 11 and quick detach mold insert 12 satisfies the intensity requirement of dotting, and can quick assembly disassembly when changing the maintenance operation of die mold insert 11, improves maintenance efficiency, reduces the maintenance cost.

Of course, other connection manners, such as pin connection, may be selected for the detachable fixed connection between the cavity insert 11 and the quick release insert 12, and the first connection portion 112 and the second connection portion 124 are corresponding through holes, and the pin connection corresponds to the through holes to fixedly connect the cavity insert 11 and the quick release insert 12 together.

In one embodiment, referring to fig. 1, 2, 3, 4 and 5, the key 13 is a flat key.

Certainly, in order to facilitate the installation and positioning of the key 13 and improve the installation efficiency, the structure at one end of the key 13 can be subjected to deformation upgrading, such as arrangement of a boss; and one end of the second connecting portion 124 is provided with a step adapted to the installation of the boss.

In an embodiment, referring to fig. 2, 3, 4, 5 and 6, the die insert 11 includes a die insert body 114, a limiting portion 113; the stopper 113 is located at one side of the die insert body 114. The side of the concave mold insert body 114 is an arc side 1141; the side surface of the stopper 113 is a stopper side surface 1131, which is a non-circular side surface.

Correspondingly, the shape of the first through hole 123 is matched with the shape of the female die insert 11, and the first through hole includes a matching arc side 1232 and a matching limiting side 1231.

When the die assembly 1 of the dotting device of this embodiment is assembled, when the die insert 11 is installed in the first through hole 123, the circular arc side 1141 corresponds to the circular arc side 1232, the limiting side 1131 corresponds to the limiting side 1231, and the dislocation is not easy, so that the first connecting portion 112 corresponds to the second connecting portion 124 and the dislocation is not easy, the installation difficulty of the key 13 is reduced, the assembly efficiency of the die assembly 1 is improved, and the maintenance efficiency is further improved.

In one embodiment, referring to fig. 4 and 6, the stop side 1131 is a plane parallel to the axis of the radiused side 1141 of the concave mold insert body 114.

The limiting part 113 of the bump forming device of the embodiment has a simple structure, and reduces the processing difficulty and the processing cost.

Of course, the stop side 1131 can have other shapes, such as a combination of multiple planes connected end to end.

In an embodiment, referring to fig. 2, 3, 4, 5 and 6, the first connecting portion 112 is located on a side of the cavity insert 11 opposite to the limiting portion 113.

In one embodiment, referring to fig. 3, the cavity die 111 extends through the cavity die insert 11 and is a through hole communicating with both ends of the cavity die insert 11.

The embodiment can obtain the female dies 111 at two ends of the female die insert 11 by one-step processing, improve the coaxiality of the female dies 111 at two ends of the female die insert 11, reduce the processing difficulty and improve the processing precision and efficiency.

In some embodiments, referring to fig. 1, 2 and 3, the dotting device further includes a cavity plate 5, a lower backing plate 4, and a lower die holder 3; the lower backing plate 4 is positioned between the concave template 5 and the lower die holder 3 and is respectively connected with the concave template 5 and the lower die holder 3, and the concave template 5, the lower backing plate 4 and the lower die holder 3 are fixedly connected together.

The concave template 5 is provided with a concave die hole 51 matched with the quick-release insert 12 in installation; the quick release insert 12 is mounted in the cavity 51. The quick release insert 12 is further provided with a second through hole 125 penetrating through the quick release insert, which is a counter sink hole and comprises a counter sink 1251; a sink 1251 is provided at the work end 121.

The lower cushion plate 4 is positioned between the cavity plate 5 and the lower die base 3, and is provided with a screw hole 31 corresponding to the second through hole 125; the bolt 14 connects the second through hole 125 and the screw hole 31 to fixedly connect the quick release insert 12 and the lower bolster 4 together.

The dotting device of this embodiment only needs to dismantle the die assembly 1 after the die insert 11 in the quick detach insert 12 is dismantled to the die insert 11 when maintaining the die insert 11 and then transfers 180 degrees or change other die inserts 11 and install in the quick detach insert 12 can, improve maintenance efficiency. In some embodiments, referring to fig. 1, 7 and 8, the bumping device further comprises a punch assembly 2 including a punch 21, a punch insert 22, and a spacer 23.

The punch outer insert 22 is a cylinder, and a third through hole 221 adapted to the punch 21 and the pad 23 is formed along the length direction of the cylinder. The punch 21 and the spacer 23 are installed in the third through hole 221, and the spacer 23 is located above the punch 21 and connected to the upper end of the punch 21.

The convex point punching device of the embodiment is provided with the punch outer insert 22 and the cushion block 23, and the size of the convex point punched by the punch 21 can be adjusted by independently adjusting the height of the cushion block 23. The adjusting piece cushion block 23 is separated from the punch 21, so that the adjustment is more convenient; and if the adjustment of the height of the cushion block 23 is invalid, the cushion block 23 can be replaced without damaging the punch 21, the service life of the punch 21 is prolonged, and the cost is saved.

In some embodiments, referring to fig. 7, the dotting device is configured with a plurality of height-varying spacers 23, and the height difference of the spacers 23 of adjacent height dimensions is the same.

The cushion block 23 of the bump forming device of the embodiment can be made of a material with higher hardness, and the height difference is within the allowable range of the bump size error, so that the bump size can meet the error requirement by replacing the cushion block 23; when the height of the punch 21 still cannot meet the requirement when the cushion block 23 with the largest height is used, the punch 21 is discarded.

The embodiment prolongs the service life of the punch 21, reduces the time consumed by maintenance, improves the quality of the salient points, improves the stability of the salient point operation and improves the maintenance efficiency.

In some embodiments, the height difference of each pad 23 is in the range of 0.05mm to 0.1 mm.

In some embodiments, referring to fig. 7 and 8, a hanging table 211 is provided at one end of the punch 21, which has a diameter larger than that of the punch body 212 and is coaxial; correspondingly, the third through hole 221 is a stepped hole, and is adapted to the hanging table 211 of the punch 21, so that the length of the punch 21 extending out of the third through hole 221 is ensured, and the convex point processing is realized.

The cushion block 23 is a cylinder with the diameter the same as that of the hanging table 211, so that the connection area between the cushion block 23 and the punch 21 is the largest, the force exerted on the punch 21 by the cushion block 23 is more uniform and stable, the punch 21 is uniformly stressed, the quality of salient points is improved, and the service life of the punch 21 is prolonged.

In some embodiments, referring to fig. 1, the dotting device further includes an upper die holder 6, an upper backing plate 7, a fixing plate 8, a stopper plate 9, a stripper plate 10, an upper buffer spring 20, and a guide post 30.

The fixing plate 8 is positioned between the upper die base 6 and the fixing plate 8, and is respectively connected with the upper die base 6 and the fixing plate 8 and fixed with each other. The punch assembly 2 is fixedly connected with the fixing plate 8; the stop plate 9 of the fixed plate 8 is connected through an upper buffer spring 20; the stop plate 9 is fixedly connected with the stripper plate 10; the lower end of the punch assembly 2 may pass through the stopper plate 9 and the stripper plate 10.

The guide post 30 is fixedly connected with the upper die base 6; through the stop plate 9 and the stripper plate 10.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. The utility model provides a dotting device which characterized in that, includes the die subassembly, it includes:

at least one female mold insert; the concave die insert is a cylinder, and two ends of the concave die insert are respectively provided with a coaxial concave die which is used for accommodating the convex points when the convex points are punched; a first connecting part is arranged in the middle of the female die insert;

2. The dotting device according to claim 1, wherein the die assembly further comprises at least one key;

3. The dotting device according to claim 2, wherein a limiting part is provided at one side of the cavity insert; the side surface of the concave die insert comprises an arc side surface and a limiting side surface; the side surface of the limiting part corresponds to the limiting side surface, and the shape of the side surface is different from that of the arc side surface.

4. The dotting device of claim 3, wherein the limiting side is a plane parallel to the axis of the circular arc side.

5. The dotting device according to claim 4, wherein the first keyway is located on an opposite side of the cavity insert from the stop.

6. The dotting device according to claim 1, wherein the die extends through the die insert.

7. The dotting device according to any one of claims 1 to 6, further comprising a lower die holder;

8. The dotting device according to any one of claims 1 to 6, further comprising a punch assembly comprising a punch, a punch insert, a pad;

9. The dotting device according to claim 8, wherein a plurality of said pads of different heights are provided; the height difference of the cushion blocks of the adjacent height sizes is the same.

10. The dotting device according to claim 9, wherein the punch is provided with a hanging table, which is a boss having a diameter larger than that of the body of the punch, at one end of the punch; the diameter of the cushion block is the same as that of the hanging table.