CN114147113B

CN114147113B - Bump forming device

Info

Publication number: CN114147113B
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: 2024-01-30
Anticipated expiration: 2041-11-08
Also published as: CN114147113A

Abstract

The invention discloses a bump forming device which comprises a female die assembly, a bump forming device and a bump forming device, wherein the female die assembly comprises at least one female die insert and a quick-release insert; the die insert is a cylinder, and two ends of the die insert are respectively provided with coaxial dies which are used for accommodating the convex points when the convex points are formed; a first connecting part is arranged in the middle of the female die insert; the quick release insert is a cylinder and comprises a working end and a connecting end; a first through hole which is matched with the die insert in a mounting way and a second connecting part which is fixedly connected and matched with the first connecting part are arranged along the length direction of the quick-release insert; the first connecting part is connected with the second connecting part so that the die insert is fixed in the first through hole. According to the invention, the structure of the female die insert is improved, and female dies are respectively arranged at two ends of the female die insert, so that the female die insert can be used for multiple times, the maintenance time is shortened, and the operation efficiency is improved; the service life of the die insert is prolonged, and the cost is reduced; the die insert is regulated stably, and the bump quality is improved.

Description

Bump forming device

Technical Field

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

Background

Bump punching is an important process step of stamping technology and is commonly used in the production process. The height dimension of the protruding points is influenced by the raw material performance, the raw material thickness, the abrasion condition of the die, the lubrication condition of the die and the like.

In the production process, the bump punch and the bump die insert are worn quickly, so that the bump punch and the bump die insert are required to be frequently adjusted and replaced. Long maintenance time, short service life of accessories, high loss, low operation efficiency and high cost; in addition, the punch and die insert in the prior art are adjusted by the methods of welding and adjusting the number of gaskets to cope with the loss of the punch and the die insert, the adjusting frequency is high, the size fluctuation of the convex point is large, and the quality of the convex point is not easy to guarantee.

Disclosure of Invention

The invention provides a bump forming device, which improves the structure of a female die insert, enables the female die insert to be used for multiple times, shortens maintenance time consumption and improves operation efficiency; the service life of the die insert is prolonged, and the cost is reduced; improving bump quality.

In order to solve the technical problems, the invention is realized by adopting the following technical scheme:

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

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

the quick release insert is a cylinder and comprises a working end and a connecting end; a first through hole which is matched with the die insert in a mounting way and a second connecting part which is fixedly connected and matched with the first connecting part are arranged along the length direction of the quick-release insert; the first connecting part is connected with the second connecting part so that the die insert is fixed in the first through hole.

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

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

the second connecting part is a key groove which is transversely matched with the key installation;

the key is installed in the corresponding first and second connection parts.

In one embodiment, a limit part is arranged on one side of the die insert; the side surface of the female 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 circular arc side surface.

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

In an embodiment, the first connecting portion is located on a side of the die insert opposite the limiting portion.

In an embodiment, the die extends through the die insert.

In some embodiments, the die further 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 working end;

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

In some embodiments, a punch assembly is also included that includes a punch, a punch outer insert, a cushion block;

the punch outer insert is a cylinder, and a third through hole which is matched with the punch and the cushion block in a mounting way is formed along 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 provided; the height difference of the cushion blocks of each adjacent height dimension is the same.

In some embodiments, the punch is provided with a hanging stand at one end of the punch, being a boss with a diameter larger than the diameter 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 bump forming device comprises at least one female die insert, a quick-release insert and a bump forming device, wherein female dies are arranged at two ends of the female die insert; 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 is detached from the quick-release insert, and the other end of the female die insert without wear is mounted at the working end, so that the service life and the adjustment efficiency of the female die insert are improved, the cost is reduced, and the working efficiency is improved. In addition, if the quick-release inserts can be provided with a plurality of female die inserts, the service life of one female die assembly and the overall adjustment efficiency are further improved, and the cost is further reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

FIG. 2 is a schematic diagram of a die assembly;

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

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

FIG. 5 is a schematic view of a die insert structure;

FIG. 6 is a schematic diagram of a die insert structure;

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

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

In the drawing the view of the figure,

1. a female die assembly; 2. a punch assembly; 3. a lower die holder; 4. a lower backing plate; 5. a female template; 6. an upper die holder; 7. an upper backing plate; 8. a fixing plate; 9. a stop plate; 10. a stripper plate; 20. an upper buffer spring; 30. a guide post; 11. a female die insert; 111. a female die; 112. a first connection portion; 113. a limit part; 1131. limit side surfaces; 114. a die insert body; 1141. Arc side surfaces; 12. quick-release inserts; 121. a working end; 122. a connection end; 123. a first through hole; 1231. matching with a limit side surface; 1232. matching with the arc side surface; 124. a second connecting portion; 125. a second through hole; 1251. a sinking platform; 13. a key; 14. a bolt; 21. a punch; 211. hanging a table; 212. a punch body; 22. a punch outer insert; 221. a third through hole; 23. a cushion block; 31. a screw hole; 51. and a die hole.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.

Referring to fig. 1, 2, 3, 4 and 5, a bumping device of the present invention comprises a die assembly 1 comprising at least one die insert 11, a quick release insert 12.

The die insert 11 is a cylinder, and the 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 female 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 comprises a working end 121 and a connecting end 122. A first through hole 123 which is in installation fit with the female die insert 11 is arranged along 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 in fitting fit with the first connecting part 112; the first connection portion 112 of the die insert 11 mounted on the working end 121 corresponds to the second connection portion 124, or the first connection portion 112 of each die insert 11 mounted in the first through hole 123 corresponds to each second connection portion 124 of the quick release insert 12, respectively; the corresponding first connecting portion 112 is connected to the second connecting portion 124, and fixedly connects the die insert 11 and the quick release insert 12 together.

The bump forming device comprises at least one die insert 11 with two ends provided with a die 111 and a quick-release insert 12 which is in installation fit with the die insert 11 and is detachably and fixedly connected with the die insert 11. The female die insert 11 can be used at two ends; when the female die 111 at one end of the female die insert 11 is worn, the female die insert 11 and the quick-release insert 12 are disassembled, and the other end of the female die insert 11 without wear is mounted at the working end 121, so that the utilization rate of the female die insert 11 is improved, the service life of the female die insert 11 is further prolonged, and the cost is reduced. The female die 111 of the female die insert 11 positioned at the working end 121 of the quick-release insert 12 is changed to maintain the female die assembly 1, so that maintenance time is shortened, maintenance efficiency is improved, and further, working efficiency is improved.

When a plurality of die 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 out, the other die inserts 11 mounted in the quick release insert 12 are replaced to the working end 121. Further improves the reserve quantity of the bump forming device to the die insert 11, further prolongs the service life of the die assembly 1, reduces the cost and improves the operation efficiency.

In one embodiment, referring to fig. 3, two die inserts 11 are mounted within the quick release insert 12; when the female dies 111 at both ends of one of the female die inserts 11 are worn out, the other female 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 an intermediate position in the longitudinal direction of the die insert 11 and fitted to the key 13, and the longitudinal direction thereof is oriented perpendicular to the longitudinal direction of the die insert 11.

The second connecting portion 124 is a key slot which transversely passes through the first through hole 123 and is in installation fit with the key 13, and the length direction of the second connecting portion is perpendicular to the axis of the first through hole 123; the first connecting portion 112 and the second connecting portion 124 of the die insert 11 mounted on the working end 121 correspond to each other; the key 13 is installed in the corresponding first connecting portion 112 and second connecting portion 124, so that the female mold insert 11 and the quick release insert 12 are fixedly connected together.

The bump forming device of the embodiment can be used for connecting the female die insert 11 with the quick-release insert 12 through the key 13 and is detachably and fixedly connected, so that the connection of the female die insert 11 and the quick-release insert 12 is guaranteed to meet the strength requirement of bump forming, and the female die insert 11 can be quickly disassembled and assembled during maintenance operation of replacing the female die insert 11, the maintenance efficiency is improved, and the maintenance cost is reduced.

Of course, other connection modes, such as pin connection, may be selected for the detachable and fixed connection of the die 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 corresponding through holes enable the die insert 11 and the quick release insert 12 to be fixedly connected together.

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

Of course, 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 deformed and upgraded, such as a boss is arranged; and one end of the second connection portion 124 is provided with a step adapted to the boss installation.

In one 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 on one side of the die insert body 114. The side surface of the die insert body 114 is an arc side surface 1141; the side surface of the limiting portion 113 is a limiting side surface 1131, and the shape thereof is a non-circular arc side surface.

Correspondingly, the shape of the first through hole 123 is matched with the shape of the die insert 11, and the first through hole comprises a matched circular arc side surface 1232 and a matched limiting side surface 1231.

In the die assembly 1 of the bump device of this embodiment, when the die insert 11 is mounted 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 is not easy to be misplaced, so that the first connecting portion 112 corresponds to the second connecting portion 124 and is not easy to be misplaced, the mounting difficulty of the key 13 is reduced, the assembly efficiency of the die assembly 1 is improved, and further the maintenance efficiency is improved.

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

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

Of course, the limiting side 1131 may 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 at a side of the die insert 11 opposite to the limiting portion 113.

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

The embodiment can enable the female dies 111 at the two ends of the female die insert 11 to be obtained by one-time processing, improves the coaxiality of the female dies 111 at the two ends of the female die insert 11, reduces the processing difficulty, and improves the processing precision and efficiency.

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

The female die plate 5 is provided with a female die hole 51 which is in installation fit with the quick release insert 12; the quick release insert 12 is mounted in the female die aperture 51. The quick release insert 12 is further provided with a second through hole 125 therethrough, which is a counter bore, including a counter 1251; a sink 1251 is provided at the working end 121.

The lower base plate 4 is positioned between the die plate 5 and the lower die holder 3, and screw holes 31 are arranged corresponding to the second through holes 125; the bolts 14 are connected with the second through holes 125 and the screw holes 31 to fixedly connect the quick release insert 12 with the lower backing plate 4.

In the bump forming device of the embodiment, when the die insert 11 is maintained, only the die insert 11 in the quick-release insert 12 is required to be disassembled after the die assembly 1 is disassembled, and then the die insert 11 is turned 180 degrees or other die inserts 11 are replaced and installed in the quick-release insert 12, so that the maintenance efficiency is improved.

In some embodiments, referring to fig. 1, 7 and 8, the bumping device further comprises a punch assembly 2 comprising a punch 21, a punch outer insert 22, a pad 23.

The punch outer insert 22 is a cylinder, and a third through hole 221 is provided along the length direction thereof, and is fitted with the punch 21 and the pad 23. The punch 21 and the cushion block 23 are installed in the third through hole 221, and the cushion block 23 is positioned above the punch 21 and connected with the upper end of the punch 21.

The bump forming device of this embodiment is provided with the punch outer insert 22 and the cushion block 23, and can adjust the height of the cushion block 23 independently to adjust the bump size formed by the punch 21. 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 fails, the cushion block 23 can be replaced without damaging the punch 21, so that the service life of the punch 21 is prolonged, and the cost is saved.

In some embodiments, referring to fig. 7, the bumping device is configured with a plurality of pads 23 having different heights, and the height differences of adjacent height-sized pads 23 are the same.

The pad 23 of the bump bonding device of the embodiment can be made of a material with higher hardness, and the height difference is within the allowable range of bump size error, so that the bump size can meet the error requirement by replacing the pad 23; when the height of the punch 21 is still insufficient when the cushion block 23 with the largest height is used, the punch 21 is scrapped.

The service life of the punch 21 is prolonged, maintenance time is reduced, bump quality is improved, stability of bump forming operation is improved, and maintenance efficiency is improved.

In some embodiments, the height difference of each pad 23 ranges from 0.05mm to 0.1mm.

In some embodiments, referring to fig. 7 and 8, a hanging stand 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 step hole, is suitable for the hanging table 211 of the punch 21, ensures the length of the punch 21 extending out of the third through hole 221, and realizes bump processing.

The cushion block 23 is a cylinder with the same diameter as the hanging table 211, so that the connecting area of 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 uniform stress of the punch 21 is ensured, the bump quality is improved, and the service life of the punch 21 is prolonged.

In some embodiments, referring to fig. 1, the bumping device further includes an upper die holder 6, an upper pad 7, a fixing plate 8, a stop 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 holder 6 and the fixing plate 8, and is respectively connected with the upper die holder 6 and the fixing plate 8 and mutually fixed. The punch assembly 2 is fixedly connected with the fixed 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 discharge plate 10; the lower end of the punch assembly 2 may pass through a stop plate 9 and a stripper plate 10.

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

In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

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

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means 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 present invention. In this specification, schematic representations of the above terms are not necessarily directed 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, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.

Claims

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

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

the quick-release insert is a cylinder and comprises a working end and a connecting end; a first through hole which is matched with the die insert in a mounting way and a second connecting part which is fixedly connected and matched with the first connecting part are arranged along the length direction of the quick-release insert; at least one of the die inserts is mounted in the first through hole; the first connecting part is connected with the second connecting part to fix the die insert in the first through hole;

at least one bond;

the second connecting part is a key groove which transversely penetrates through the first through hole and is matched with the key in a mounting way, and the length direction of the second connecting part is perpendicular to the axis of the first through hole;

the first connecting part of the working end corresponds to the second connecting part; the key is arranged in the corresponding first connecting part and second connecting part, so that the female die insert and the quick release insert are fixedly connected together.

2. The bumping device according to claim 1, wherein a limit portion is provided at one side of the die insert; the side surface of the female 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 circular arc side surface.

3. The bumping device of claim 2, wherein the limiting side is a plane parallel to an axis of the circular arc side.

4. The bumping device of claim 3, wherein the first connecting portion is located on a side of the die insert opposite the limiting portion.

5. The bumping device of claim 1, wherein the die extends through the die insert.

6. The bumping device of any of claims 1-5, further comprising a lower die holder;

7. The bumping device of any of claims 1-5, further comprising a punch assembly comprising a punch, a punch outer insert, a pad;

8. The bumping device of claim 7, wherein a plurality of said pads of different heights are provided; the height difference of the cushion blocks of each adjacent height dimension is the same.

9. The bumping device according to claim 8, wherein the punch is provided with a hanging table which is located at one end of the punch and is a boss having a diameter larger than that of the main body of the punch; the diameter of the cushion block is the same as that of the hanging table.