CN111054864B

CN111054864B - Air gun chain riveting stamping die

Info

Publication number: CN111054864B
Application number: CN201911264196.4A
Authority: CN
Inventors: 刘康
Original assignee: Individual
Current assignee: Foshan Shunde Shengchang Plastic Industry Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2021-08-31
Anticipated expiration: 2039-12-10
Also published as: CN111054864A

Abstract

The invention discloses a punching die for air gun strip nails, which comprises an upper die plate and a lower die plate, wherein the upper die plate is provided with an upper pressing plate and an upper blade, the lower die plate is provided with a positioning bottom plate and a lower blade, the positioning bottom plate and the lower blade are respectively in one-to-one correspondence with the upper pressing plate and the upper blade, the upper pressing plate and the upper die plate can move relatively along the vertical direction, a first buffer element is arranged between the upper pressing plate and the upper die plate, the positioning bottom plate and the lower die plate can move relatively along the vertical direction, and a second buffer element is arranged between the positioning bottom plate and the lower die plate; the cold heading mechanism is used for upsetting the end face of one side of the strip nail blanking part, which is far away from the blanking end, so that the end part of the strip nail is deformed to form a limiting part. The invention discloses a punching device for air gun chain riveting, which is used for upsetting the tail of a chain riveting after the chain riveting is blanked and cut off, so that the tail of the chain riveting is provided with a limiting part.

Description

Air gun chain riveting stamping die

Technical Field

The invention relates to the technical field of air gun chain riveting processing and forming, in particular to an air gun chain riveting stamping die.

Background

The chain riveting, also called a flat nail, is a packaging product used in the automatic box sealing and binding industry, is matched with a nailing gun to realize packaging operation, and has the structure that a row of nails arranged in parallel are arranged in parallel and are installed in the nailing gun, and the nails are sequentially driven out and fixed on a packaged object through the nailing gun. During production and processing, a plurality of metal wires are generally collected together to form a parallel arrangement state, glue is applied through glue, then the glue is dried, so that the metal wires arranged in parallel form an integral state, and finally parallel metal strips formed by the metal wires are cut to form the strip nails with different specifications.

The chain riveting cutting device among the prior art is the back of cutting off chain riveting material, and what formed is the straight line chain riveting, and the both ends external diameter size of chain riveting is the same promptly, and the chain riveting of structure is when the use to panel encapsulation like this, to its location unstable, because there is not spacing portion at the afterbody of nail, panel can take place to drop, especially can receive the place of pressure, takes place to throw off the phenomenon more easily, influences life.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the air gun strip nail stamping device overcomes the defects of the prior art, and carries out upsetting treatment on the tail of the strip nail after blanking and cutting off so that the tail of the strip nail is provided with a limiting part.

The technical scheme adopted by the invention is as follows: the punching die for the air gun chain riveting comprises an upper die plate and a lower die plate, wherein an upper pressing plate and an upper blade are arranged on the upper die plate, a positioning bottom plate and a lower blade which are respectively in one-to-one correspondence with the upper pressing plate and the upper blade are arranged on the lower die plate, the upper pressing plate and the upper die plate can move relatively along the vertical direction, a first buffer element is arranged between the upper pressing plate and the upper die plate, the positioning bottom plate and the lower die plate can move relatively along the vertical direction, and a second buffer element is arranged between the positioning bottom plate and the lower die plate;

the hot heading mechanism comprises a base, a cold heading punch and a driving assembly, wherein the cold heading punch is arranged on the base in a sliding mode along the horizontal direction, the driving assembly drives the cold heading punch to move towards the strip nail blanking part, and a driving rod is arranged at one end, close to the cold heading mechanism, of the upper template; when the upper die plate and the lower die plate are assembled, the strip nail material belt is positioned between the upper pressing plate and the positioning bottom plate in a pressing mode, the upper blade and the lower blade synchronously punch the upper end face and the lower end face of the strip nail material belt, and the driving rod acts on the driving assembly to enable the cold heading punch to realize upsetting of the end portion of the strip nail punching piece.

Compared with the prior art, the invention has the following advantages:

in the device, the other end of the strip nail blanking mechanism is additionally provided with the cold heading mechanism which is used for stamping and upsetting one end of the strip nail far away from the cutting, so that the end part of the strip nail is pressed and deformed to form the limiting part, when the strip nail is used for fixing a plate, the limiting part increases the transverse contact area of the end part of the strip nail, namely the resistance area is increased, and the positioning stability and firmness are increased.

Furthermore, the driving assembly comprises a first connecting rod and a second connecting rod, one end of the base, which is far away from the cold heading punch, is provided with a mounting lug, one end of the first connecting rod is hinged with the mounting lug, the other end of the first connecting rod is hinged with the second connecting rod, and the other end of the second connecting rod is hinged with the cold heading punch; the lower part of the first connecting rod is also provided with a push rod which can move up and down, the upper end of the push rod is propped against a position close to the hinged joint of the first connecting rod and the second connecting rod, the lower end of the push rod is arranged on the base in a sliding manner, and a reset element is arranged between the lower end of the push rod and the base.

Preferably, the top rod and the driving rod are located on the same straight line, and an arc-shaped convex block is further arranged at a position, corresponding to the driving rod, on the first connecting rod. When the push rod drives the assembly left and right, the lower end of the push rod directly acts on the arc-shaped convex block, the stress is more stable, and the stability of the driving force is improved.

As an improvement, a linear guide rail is arranged at one end, close to the cold heading punch, of the lower template, a sliding block is arranged at one end, close to the positioning bottom plate, of the cold heading punch, and the cold heading punch is arranged on the linear guide rail in a sliding mode through the sliding block; the base on be equipped with the spout, the other end of cold-heading drift slides and establishes in the spout. The cold heading punch is arranged in a sliding mode through the sliding block and the guide rail structure, good translation stability and linearity are achieved, and the plane consistency of the punching cold heading of the end portion of the chain riveting is improved.

And the improved structure is characterized in that the upper template is provided with an installation block, the upper end face of the installation block is provided with a step through hole, a first bolt is arranged in the step through hole in a sliding manner, the end part of the first bolt penetrates through the step through hole to be connected to the upper pressure plate, and the first buffering element is sleeved outside the first bolt. The bolt structure not only realizes the limiting function of the up-down movement of the upper pressure plate, but also provides the positioning function for the buffer element and prevents the deflection displacement.

And in a further improvement, a second bolt is slidably arranged on the lower template, the end part of the second bolt is connected to the positioning bottom plate, and the second buffer element is sleeved outside the second bolt. The positioning bottom plate is connected with the lower template in a sliding mode through the second bolt, the second buffering element is sleeved outside the second bolt to guarantee the connection stability of the buffering piece, the positioning bottom plate always has the trend of upward movement, and when the upper template and the lower template are separated in a mold opening mode, the positioning bottom plate moves upward in a resetting mode.

And the lower template is provided with a limiting hole matched with the limiting column. The arrangement of the limiting columns and the limiting holes is used for fully ensuring the stability of the up-and-down motion of the positioning bottom plate.

Preferably, the first buffer element, the second buffer element and the return element are all springs. The spring is simple in structure and stable in elastic force, and can directly select the existing standard part, so that the cost is saved.

And the lower template is provided with a guide post, and the upper template is provided with a guide shaft sleeve matched with the guide post. The guide rod and the guide shaft sleeve are arranged, so that the stability of die assembly of the upper die plate and the lower die plate is effectively improved, and deviation cannot occur in the up-and-down movement process of the upper die plate, so that the staple row material for cutting at each time is consistent in length and uniform in shape.

Drawings

Fig. 1 is a cross-sectional view of an air gun strip nail stamping die of the present invention.

Fig. 2 is a partial schematic view of a connection structure of a cold heading mechanism and a lower template in the invention.

Fig. 3 is a sectional view taken along line C-C in fig. 2.

Fig. 4 is a sectional view taken along line a-a in fig. 1.

Fig. 5 is a sectional view taken along line B-B in fig. 1.

The device comprises a first upper template, a second lower template, a first limiting hole, a second limiting hole, a third upper pressing plate, a third upper blade, a fourth positioning bottom plate, a fourth lower blade, a fifth positioning bottom plate, a sixth buffering bottom plate, a sixth positioning bottom plate, a bottom plate.

Detailed Description

The invention is further described with reference to the following figures and detailed description.

In the description of the present invention, it should be noted that the terms "upper and lower", "upper end", "lower end", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification 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 "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, for distinguishing one another.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, e.g. as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, the invention provides an air gun strip nail stamping die, which comprises an upper die plate 1 and a lower die plate 2, wherein a base is further arranged below the lower die plate 2, and a corresponding driving mechanism is arranged above the upper die plate 1 and used for driving the upper die plate 1 to move up and down so as to realize die assembly and die opening with the lower die plate 2.

Specifically, an upper pressure plate 3 and an upper blade 4 are arranged on the lower end surface of an upper template 1, similarly, a positioning bottom plate 5 and a lower blade 6 which are respectively in one-to-one correspondence with the upper pressure plate 3 and the upper blade 4 are arranged on the upper end surface of the lower template 2, the upper pressure plate 3 and the upper template 1 can move relatively along the vertical direction, a first buffer element 7 is arranged between the upper pressure plate 3 and the upper template 1, the positioning bottom plate 5 and the lower template 2 can move relatively along the vertical direction, and a second buffer element 8 is arranged between the positioning bottom plate 5 and the lower template 2;

in addition, the structure of the stamping die further comprises a cold heading mechanism 9 for upsetting an end face of the strip nail blanking member on a side away from the blanking end, specifically, as shown in fig. 2, the cold heading mechanism 9 comprises a base 9.1, a cold heading punch 9.2 arranged on the base 9.1 in a sliding manner along the horizontal direction, and a driving assembly for driving the cold heading punch 9.2 to move towards the strip nail blanking member, and one end of the upper die plate 1 close to the cold heading mechanism 9 is provided with a driving rod 9.3; when the upper die plate 1 and the lower die plate 2 are assembled, the strip nail material belt is positioned between the upper die plate 3 and the positioning bottom plate 5 in a pressing mode, the upper blade 4 and the lower blade 6 synchronously punch the upper end surface and the lower end surface of the strip nail material belt, and the driving rod 9.3 acts on the driving assembly to enable the cold heading punch 9.2 to realize upsetting of the end portion of a strip nail punching piece.

The driving assembly comprises a first connecting rod 9.4 and a second connecting rod 9.5, one end of the base 9.1, which is far away from the cold heading punch 9.2, is provided with a mounting lug 9.6, one end of the first connecting rod 9.4 is hinged with the mounting lug 9.6, the other end of the first connecting rod 9.4 is hinged with the second connecting rod 9.5, and the other end of the second connecting rod 9.5 is hinged with the cold heading punch 9.2; specifically, two mounting lugs 9.6 are arranged side by side at one end of the base 9.1 far away from the cold heading punch 9.2, a first rotating shaft 17 is arranged between the tops of the two mounting lugs 9.6, and one end of the first connecting rod 9.4 is rotatably connected with the mounting lugs 9.6 through the first rotating shaft 17; similarly, the other end of the first link 9.4 is rotatably connected to one end of the second link 9.5 via a second rotating shaft 18, and the other end of the second link 9.5 is rotatably connected to the cold heading punch 9.2 via a third rotating shaft 19. In addition, a top rod 9.7 capable of moving up and down is further arranged below the first connecting rod 9.4, the upper end of the top rod 9.7 abuts against a position close to a hinge point of the first connecting rod 9.4 and the second connecting rod 9.5, the lower end of the top rod 9.7 is arranged on the base 9.1 in a sliding mode, and a reset element 9.8 is arranged between the lower end of the top rod 9.7 and the base 9.1.

The working principle is as follows:

when a feeding mechanism conveys the strip nail materials to a positioning bottom plate 5 to move to a preset position, an upper template 1 and a lower template 2 are matched, an upper pressing plate 3 is pressed on the upper surface of the strip nail materials, when the positioning bottom plate 5 and the lower template 2 move relatively, the cutting edges of an upper blade 4 and a lower blade 6 start to act on the upper surface and the lower surface of the strip nail materials, the upper blade 4 and the lower blade 6 continue to cut the strip nail materials along with the downward movement of the positioning bottom plate 5 until the strip nail materials are cut off, and cut blanking pieces are pressed and limited between the upper pressing plate 3 and the positioning bottom plate 5; because there is still the motion stroke between top board 3 and cope match-plate pattern 1, after the row nail blanking piece is pressfitting, cope match-plate pattern 1 continues to descend, actuating lever 9.3 pressfitting on cope match-plate pattern 1 is on first connecting rod 9.4, first connecting rod 9.4 is close to the one end downstream of second connecting rod 9.5, drive second connecting rod 9.5 and the articulated one end of first connecting rod 9.4 and move down, because the handing-over of the other end of first connecting rod 9.4 is at installation lug 9.6, this end is stationary, so when the articulated department of first connecting rod 9.4, second connecting rod 9.5 moves down this moment, the other end of second connecting rod 9.5 produces horizontal effort, thereby drive cold-heading drift 9.2 towards row nail blanking piece impact, carry out the mound effect to its terminal surface. After the upper template 1 and the lower template 2 are opened, the acting force of the driving rod 9.3 on the first connecting rod 9.4 downwards is gradually reduced, and under the action of the reset element 9.8, the ejector rod 9.7 moves upwards in a reset manner to drive the hinged part of the first connecting rod 9.4 and the second connecting rod 9.5 to be jacked upwards to the initial position. In this structure, the first buffer element 7 and the second buffer element 8 are both springs, and the elastic force of the first buffer element 7 is greater than the elastic force of the second buffer element 8.

The top rod 9.7 and the driving rod 9.3 are positioned on the same straight line, and an arc-shaped bump 9.4.1 is further arranged at a position on the first connecting rod 9.4 corresponding to the driving rod 9.3.

In order to improve the motion of the cold heading punch 9.2 to have better stability and straightness, a linear guide rail is arranged at one end, close to the cold heading punch 9.2, of the lower template 2, a sliding block is arranged at one end, close to the positioning bottom plate 5, of the cold heading punch 9.2, and the cold heading punch 9.2 is arranged on the linear guide rail in a sliding mode through the sliding block; the base 9.1 is provided with a sliding chute 9.1.1, and the other end of the cold heading punch 9.2 is slidably arranged in the sliding chute 9.1.1.

Specifically, the upper platen 3 and the upper platen 1 can move relatively in the vertical direction, that is, the upper platen 1 is provided with a mounting block 10, the upper end surface of the mounting block 10 is provided with a step through hole 10.1, a first bolt 11 is slidably arranged in the step through hole 10.1, the end of the first bolt 11 penetrates through the step through hole 10.1 and is connected to the upper platen 3, and the first buffer element 7 is sleeved outside the first bolt 11. In this structure, four step through holes 10.1 are uniformly provided on the mounting block 10.

Similarly, the positioning bottom plate 5 and the lower template 2 can move relatively in the vertical direction, that is, at least two step through holes are formed in the lower template 2, second bolts 12 penetrate through the step through holes, the end portions of the second bolts 12 penetrate through the step through holes to be connected to the positioning bottom plate 5, and the second buffer elements 8 are sleeved outside the second bolts 12. Specifically, a limiting column 13 is further arranged on the positioning bottom plate 5, and a limiting hole 2.1 matched with the limiting column 13 is formed in the lower template 2.

In addition, in order to improve the stability and position accuracy of the mold assembly of the upper mold plate 1 and the lower mold plate 2, the lower mold plate 2 is provided with a guide post 15, and the upper mold plate 1 is provided with a guide sleeve 16 matched with the guide post 15. As shown in fig. 4, in the present embodiment, two guide posts 15 are disposed along diagonally opposite angles between the upper die plate 1 and the lower die plate 2.

The foregoing has described preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary, and various changes made within the scope of the independent claims of the present invention are within the scope of the present invention.

Claims

1. The utility model provides an air gun chain riveting stamping die, includes cope match-plate pattern (1) and lower bolster (2), its characterized in that: the upper die plate (1) is provided with an upper pressing plate (3) and an upper blade (4), the lower die plate (2) is provided with a positioning bottom plate (5) and a lower blade (6) which are respectively in one-to-one correspondence with the upper pressing plate (3) and the upper blade (4), the upper pressing plate (3) and the upper die plate (1) can move relatively along the vertical direction, a first buffer element (7) is arranged between the upper pressing plate (3) and the upper die plate (1), specifically, the upper die plate (1) is provided with a mounting block (10), the upper end face of the mounting block (10) is provided with a step through hole (10.1), a first bolt (11) is arranged in the step through hole (10.1) in a sliding manner, the end part of the first bolt (11) penetrates through the step through hole (10.1) to be connected to the upper pressing plate (3), and the first buffer element (7) is sleeved outside the first bolt (11);

the positioning bottom plate (5) and the lower template (2) can move relatively along the vertical direction, a second buffer element (8) is arranged between the positioning bottom plate (5) and the lower template (2), specifically, at least two step through holes are formed in the lower template (2), a second bolt (12) penetrates through the step through holes, the end part of the second bolt (12) penetrates through the step through holes to be connected to the positioning bottom plate (5), and the second buffer element (8) is sleeved outside the second bolt (12);

the punching mechanism is characterized by further comprising a cold heading mechanism (9) for upsetting the end face of one side, away from the punching end, of the strip nail punching part, wherein the cold heading mechanism (9) comprises a base (9.1), a cold heading punch (9.2) arranged on the base (9.1) in a sliding mode in the horizontal direction and a driving assembly for driving the cold heading punch (9.2) to move towards the strip nail punching part, and a driving rod (9.3) is arranged at one end, close to the cold heading mechanism (9), of the upper die plate (1); when the upper template (1) and the lower template (2) are matched, the strip nail material belt is pressed and positioned between the upper pressing plate (3) and the positioning bottom plate (5), the upper blade (4) and the lower blade (6) synchronously punch the upper end surface and the lower end surface of the strip nail material belt, and the driving rod (9.3) acts on the driving assembly to promote the cold heading punch (9.2) to realize upsetting of the end part of a strip nail punching part;

the driving assembly comprises a first connecting rod (9.4) and a second connecting rod (9.5), one end of the base (9.1) which is far away from the cold heading punch (9.2) is provided with a mounting lug (9.6), one end of the first connecting rod (9.4) is hinged with the mounting lug (9.6), the other end of the first connecting rod is hinged with the second connecting rod (9.5), and the other end of the second connecting rod (9.5) is hinged with the cold heading punch (9.2); an ejector rod (9.7) capable of moving up and down is further arranged below the first connecting rod (9.4), the upper end of the ejector rod (9.7) abuts against a position close to a hinge point of the first connecting rod (9.4) and the second connecting rod (9.5), the lower end of the ejector rod (9.7) is arranged on the base (9.1) in a sliding mode, and a reset element (9.8) is arranged between the lower end of the ejector rod (9.7) and the base (9.1).

2. The air gun strip nail stamping die of claim 1, wherein: the ejector rod (9.7) and the driving rod (9.3) are positioned on the same straight line, and an arc-shaped convex block (9.4.1) is further arranged at the position, corresponding to the driving rod (9.3), on the first connecting rod (9.4).

3. The air gun strip nail stamping die according to claim 1 or 2, wherein: one end of the lower template (2) close to the cold heading punch (9.2) is provided with a linear guide rail, one end of the cold heading punch (9.2) close to the positioning bottom plate (5) is provided with a sliding block, and the cold heading punch (9.2) is arranged on the linear guide rail in a sliding manner through the sliding block; the base (9.1) is provided with a sliding groove (9.1.1), and the other end of the cold heading punch (9.2) is slidably arranged in the sliding groove (9.1.1).

4. The air gun strip nail stamping die of claim 1, wherein: the upper die plate (1) on be equipped with installation piece (10), the up end of installation piece (10) is equipped with step through-hole (10.1), step through-hole (10.1) in slide and be equipped with first bolt (11), the tip of first bolt (11) passes step through-hole (10.1) and connects on top board (3), just first buffer component (7) cover establish the outside of first bolt (11).

5. The air gun strip nail stamping die according to claim 1 or 4, wherein: lower bolster (2) go up the slip and be equipped with second bolt (12), the end connection of second bolt (12) is on locating bottom plate (5), just second buffer element (8) cover establish the outside of second bolt (12).

6. The air gun strip nail stamping die of claim 5, wherein: the positioning bottom plate (5) is provided with a limiting column (13), and the lower template (2) is provided with a limiting hole (2.1) matched with the limiting column (13).

7. The air gun strip nail stamping die of claim 1, wherein: the first buffer element (7), the second buffer element (8) and the reset element (9.8) are all springs.

8. The air gun strip nail stamping die of claim 1, wherein: the lower template (2) is provided with a guide post (15), and the upper template (1) is provided with a guide shaft sleeve (16) matched with the guide post (15).