CN217617211U - Stamping die for body of packaging can - Google Patents

Abstract

The utility model relates to a packing jar can body stamping die, including last mould, bed die, outer plastic mold core, interior plastic mold core and spiral stamping mold core. The upper die comprises an upper die base and an upper stamping die core. The lower die comprises a lower die base and a pressure-bearing die core, the pressure-bearing die core is provided with a stamping groove matched with the upper stamping die core, and the lower die base is provided with a bottom foot edge. The outside of pressure-bearing mold core is located to outer plastic mold core cover, is equipped with the chamber of placing that is used for placing the can body between outer plastic mold core and the pressure-bearing mold core. The inner wall of the outer shaping mold core is provided with a power line shaping groove. The inner shaping mold core is movably arranged at the end part of the pressure-bearing mold core, the outer wall of the inner shaping mold core is provided with a power line shaping block, and the power line shaping block is inserted into the power line shaping groove to extrude the tank body power line. The winding stamping die core is arranged at the end part of the outer shaping die core and is provided with a winding shaping groove. The utility model discloses can once the punching press accomplish dash the line, dash strength line and go out footing three processes, effectively improve production efficiency, reduction in production cost.

Description

Stamping die for can body of packaging can

Technical Field

The utility model relates to a packing jar preparation equipment technical field especially relates to a packing jar body stamping die.

Background

The packaging can is a packaging container with the cross sections of the can body being approximately same in shape, the can neck is short, the inner diameter of the can neck is slightly smaller than that of the can body or the can neck is not provided, and the packaging can is a rigid package. The packaging material has higher strength and the tank body has strong deformation resistance. The packaging operation is a filling operation, and then the can opening is sealed, so that the can be used as a transport package and an outer package, and can also be used as a commercial package and an inner package.

Need through the line of overshooting, the line of punching strength and three processes of footing in traditional packing jar can body preparation process, however present packing jar can body stamping die punching press once can only accomplish a process, will accomplish three processes and then need three sets of corresponding stamping die, corresponding punching machine and corresponding operating personnel, production efficiency is low, high in production cost.

SUMMERY OF THE UTILITY MODEL

Therefore, the stamping die for the can body of the packaging can is needed to solve the problems of low production efficiency and high production cost of the existing packaging can body.

A packaging can body stamping die comprises:

an upper die; the upper die comprises an upper die base and an upper stamping die core connected with the upper die base;

the lower die comprises a lower die base and a pressure-bearing die core connected with the lower die base, the pressure-bearing die core is provided with a stamping groove matched with the upper stamping die core, and the lower die base is provided with a bottom foot edge;

an outer shaping mold core connected with the lower mold; the outer shaping mold core is sleeved outside the pressure-bearing mold core, a placing cavity for placing the can body is arranged between the outer shaping mold core and the pressure-bearing mold core, and a power line shaping groove is formed in the inner wall of the outer shaping mold core;

an inner shaping mold core connected with the lower mold; the inner shaping mold core is movably arranged at the end part of the pressure-bearing mold core, the outer wall of the inner shaping mold core is provided with a power line shaping block, and the power line shaping block is inserted into the power line shaping groove to extrude a tank body power line; and

a winding stamping die core connected with the lower die; the winding stamping die core is arranged at the end part of the outer shaping die core and is provided with a winding shaping groove.

Above-mentioned packing jar can body stamping die realizes the punching press through the cooperation of upper die, bed die, outer plastic mold core, interior plastic mold core and spiral stamping mold core and once accomplishes three processes of will dashing the spiral, dashing strength line and going out the footing, effectively improves production efficiency. Because the three processes of wire punching, tension punching and footing discharging are completed by the punching of the can body punching die of the packaging can at one time, two sets of dies, two corresponding punching machines and corresponding operators are saved, and the production cost is greatly reduced.

In one embodiment, the upper punch core includes an upper punch portion and a lower punch portion connecting the upper punch portion, the upper punch portion having an area greater than an area of the lower punch portion.

In one embodiment, a first pushing inclined plane is arranged between the upper punch and the lower punch, and a second pushing inclined plane matched with the first pushing inclined plane is arranged on the inner shaping die core. The first pushing inclined plane and the second pushing inclined plane are matched to enable the upper punching die core to push the inner shaping die core to punch from inside to outside so as to punch out the tank body stress line, and the operation stability of the packaging tank body punching die is effectively improved.

In one embodiment, the pressure-bearing mold core is provided with a limit inclined plane matched with the first pushing inclined plane. The maximum stroke of the upper punch core inserted into the punch groove can be limited by the cooperation of the first pushing inclined plane and the limiting inclined plane.

In one embodiment, the lower punch is provided with a chamfer.

In one embodiment, a limiting block is arranged at the end part of the inner shaping mold core close to the pressure-bearing mold core, and the pressure-bearing mold core is provided with a limiting groove matched with the limiting block. The stroke of the inner shaping die core for stamping from inside to outside can be limited through the matching of the limiting block and the limiting groove, the phenomenon that the production quality of the can body is influenced due to the fact that the stroke of the inner shaping die core for stamping from inside to outside is too large is avoided, and the production quality of the can body is guaranteed.

In one embodiment, the end part of the inner shaping mold core far away from the pressure-bearing mold core is provided with a shaping plane, and the shaping plane is matched with the winding shaping groove to extrude the winding of the can body.

In one embodiment, the coiling stamping die core is provided with a yielding groove, the yielding groove is communicated with the coiling shaping groove, the inner shaping die core is provided with a coiling shaping block, the coiling shaping block extends into the yielding groove, and the shaping plane is arranged on the end face, connected with the coiling stamping die core, of the coiling shaping block.

In one embodiment, the lower die holder is provided with a chute which is arranged adjacent to the bottom edge.

In one embodiment, the end of the winding stamping die core close to the outer shaping die core is provided with a chamfer.

Drawings

Fig. 1 is a half sectional view of a stamping die for a can body of a packaging can according to an embodiment of the present invention;

fig. 2 is an enlarged view of a point a in fig. 1.

The reference numbers in the drawings have the meanings given below:

100-stamping die for can body of packaging can;

10-an upper die, 11-an upper die holder, 12-an upper stamping die core, 121-an upper stamping part, 122-a lower stamping part, 123-a chamfer and 124-a first pushing inclined plane;

20-a lower die, 21-a lower die holder, 211-a blanking groove, 212-a footing cutting edge, 22-a pressure-bearing die core, 221-a punching groove, 222-a limiting groove and 223-a limiting inclined plane;

30-an outer shaping mold core and 31-a power line shaping groove;

40-inner shaping mold core, 41-stiff wire inner shaping mold core, 411-stiff wire shaping block, 412-second pushing inclined plane, 413-limiting block, 42-coiling inner shaping mold core, 421-coiling shaping block, 422-shaping plane, 423-third pushing inclined plane;

50-coil stamping die core, 51-coil shaping groove and 52-chamfer.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, 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 explicitly defined otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; 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 meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean 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.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 to 2, a stamping die 100 for a can body of a packaging can according to an embodiment of the present invention is shown.

As shown in fig. 1, the stamping die 100 for the can body of the packaging can comprises an upper die 10, a lower die 20 arranged corresponding to the upper die 10, an outer shaping die core 30 connected with the lower die, an inner shaping die core 40 connected with the lower die, and a winding stamping die core 50 connected with the lower die. The packaging can body stamping die 100 can be matched with a punching machine to prepare a packaging can body, and three processes of wire punching, force punching and footing discharge can be completed at one time by using the packaging can body stamping die 100.

As shown in fig. 1, the upper die 10 includes an upper die base 11 and an upper punch core 12 connected to the upper die base 11. The upper press core 12 includes an upper press part 121 and a lower press part 122 connecting the upper press part 121, and the upper press part 121 has an area larger than that of the lower press part 122. The lower punch 122 is provided with a chamfer 123.

As shown in fig. 1, the lower mold 20 includes a lower mold base 21 and a pressure-bearing mold core 22 connected to the lower mold base 21, and the pressure-bearing mold core 22 is provided with a stamping groove 221 adapted to the upper stamping mold core 12. The outer side end of the lower die base 21 is provided with a charging chute 211, the lower die base 21 is provided with a footing cutting edge 212, and the footing cutting edge 212 is adjacent to the charging chute 211.

As shown in fig. 1, the outer shaping mold core 30 is sleeved outside the pressure-bearing mold core 22, and a placing cavity for placing the can body is arranged between the outer shaping mold core 30 and the pressure-bearing mold core 22.

As shown in fig. 1, the inner shaping mold core 40 is movably disposed at the upper end of the pressure-bearing mold core 22. The inner shaping core 40 can be divided into a winding inner shaping core 42 and a power line inner shaping core 41 according to different functions, and the winding inner shaping core 42 is arranged at the upper end of the power line inner shaping core 41.

Referring to fig. 1 and 2, the inner wall of the outer shaping core 30 is provided with a wire shaping groove 31, the outer wall of the inner shaping core 41 is provided with a wire shaping block 411, the upper die core 12 is inserted into the stamping groove 221, the upper die core 12 pushes the inner shaping core 41, and the wire shaping block 411 is inserted into the wire shaping groove 31 to extrude the can body wire.

Referring to fig. 1 and 2, the winding stamping die core 50 is disposed at the upper end of the outer shaping die core 30, the winding stamping die core 50 is provided with a winding shaping groove 51 and a relief groove, the relief groove is communicated with the winding shaping groove 51, the outer end of the winding inner shaping die core 42 is provided with a winding shaping block 421, the winding shaping block 421 extends into the relief groove, the upper end of the winding shaping block 421 is provided with a shaping plane 422, and the shaping plane 422 is matched with the winding shaping groove 51 to press out the winding of the can body. The end of the wire winding punch core 50 adjacent the outer shaping core 30 is provided with a chamfer 52.

As shown in fig. 1, in order to enable the upper punching die 12 to smoothly push the winding inner reforming die 42 and the power line inner reforming die 41 to punch outwards without causing backlash, the package can body punching die 100 may be provided with a first pushing inclined plane 124 between the upper punching part 121 and the lower punching part 122, a second pushing inclined plane 412 at the inner side end of the power line inner reforming die 41, and a third pushing inclined plane 423 at the inner side end of the winding inner reforming die 42. The first cooperation of the first pushing inclined plane 124 and the second pushing inclined plane 412, and the first pushing inclined plane 124 and the third pushing inclined plane 423 enables the upper stamping die core 12 to rapidly push the in-line shaping die core 41 and the coil winding in-line shaping die core 42 for stamping from inside to outside, thereby effectively improving the operation stability of the stamping die 100 for the body of the packaging can.

As shown in fig. 1 and fig. 2, in the process of pressing the upper die 10 and the lower die 20 together, the acting force of the upper die core 12 pushing the shaping die core 41 in the power line is very large, the stroke of the shaping die core 41 in the power line from inside to outside is very easy to be too large, which affects the stamping quality of the power line, thereby affecting the production quality of the can body, and for this problem, the end of the stamping die 100 of the can body of the packaging can, which is close to the pressure-bearing die core 22, of the shaping die core 41 in the power line is provided with a limit block 413, and the pressure-bearing die core 22 is provided with a limit groove 222 adapted to the limit block 413. The stroke of the shaping die core 41 in the power line from inside to outside in the stamping process can be limited by the matching of the limiting block 413 and the limiting groove 222, the phenomenon that the quality of the can body is influenced due to the overlarge stroke of the shaping die core 41 in the power line from inside to outside in the stamping process is avoided, and the production quality of the can body is ensured.

The power line inner shaping mold core 41 and the winding wire inner shaping mold core 42 are multiple, the multiple power line inner shaping mold cores 41 are distributed around the circumferential direction of the pressure bearing mold core 22, and the winding wire inner shaping mold core 42 and the power line inner shaping mold core 41 are in one-to-one correspondence. The arrangement can ensure the stamping quality of the tin body tension line and the coiling line, thereby improving the production quality.

It should be noted that in other embodiments, the winding wire inner shaping core 42 and the wire inner shaping core 41 may be integrally connected.

As shown in fig. 1, if the stroke of inserting the upper punching die core 12 into the punching groove 221 is too large, the upper punching die core 12 is easily damaged by collision, and in order to solve this problem, the pressing die core 22 of the package can body punching die 100 may be provided with a stopper slope 223 adapted to the first pushing slope 124. The maximum stroke of the upper stamping die core 12 inserted into the stamping groove 221 can be limited by the cooperation of the first pushing inclined plane 124 and the limiting inclined plane 223, so that the situation that the upper stamping die core 12 is damaged due to collision caused by the overlarge stroke of the upper stamping die core 12 inserted into the stamping groove 221 is avoided, and the service life of the packaging can body stamping die 100 can be prolonged.

The working principle of the stamping die 100 for the can body of the packaging can in this embodiment is as follows: in operation, as shown in fig. 1 and 2, an operator places the upper mold 10 and the lower mold 20 in a press. Then the workpiece is sleeved outside the pressure-bearing mold core 22, and then the outer shaping mold core 30 is sleeved outside the pressure-bearing mold core 22, so that the workpiece is placed in the placing cavity. Then, the power wire inner shaping mold core 41 is placed at the upper end of the pressure bearing mold core 22, and the winding wire inner shaping mold core 42 is placed at the upper end of the power wire inner shaping mold core 41. The pressing machine is opened, the upper die 10 and the lower die 20 are pressed together, the upper punch die core 12 of the upper die 10 pushes the inner shaping die core 41 of the power line and the inner shaping die core 42 of the winding line to move from inside to outside, and the inner shaping die core 41 of the power line and the outer shaping die core 30 are matched to punch the power line of the can body. The coil inner shaping mold core 42 and the coil stamping mold core 50 are matched to stamp out the can body coil. In the stamping process, the coiling stamping die core 50 applies force to the outer shaping die core 30, the outer shaping die core 30 applies force to the lower die base 21, the bottom feet of the can body are pressed out, the outer shaping die core 30 is matched with the bottom foot cutting edge 212 of the lower die base 21 to finish cutting of the bottom feet, and therefore the bottom foot forming process is finished.

The utility model discloses an upper die 10, bed die 20, outer plastic mold core 30, interior plastic mold core 40 and spiral punching press mold core 50's cooperation realizes that the punching press once accomplishes will dash the spiral, dash the strength line and go out the footing three processes, effectively improves production efficiency. Because the stamping of the packaging can body stamping die 100 completes three processes of wire stamping and coiling, wire stamping and footing discharging at one time, two sets of dies, two corresponding stamping machines and corresponding operators are saved, and the production cost is greatly reduced.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides a packing jar body stamping die which characterized in that includes:

an upper die; the upper die comprises an upper die base and an upper punch die core connected with the upper die base; and

the lower die comprises a lower die base and a pressure-bearing die core connected with the lower die base, the pressure-bearing die core is provided with a stamping groove matched with the upper stamping die core, and the lower die base is provided with a bottom edge;

an outer shaping mold core connected with the lower mold; the outer shaping mold core is sleeved on the outer side of the pressure-bearing mold core, a placing cavity for placing the can body is arranged between the outer shaping mold core and the pressure-bearing mold core, and a power line shaping groove is formed in the inner wall of the outer shaping mold core;

the inner shaping mold core is connected with the lower mold; the inner shaping mold core is movably arranged at the end part of the pressure-bearing mold core, a line-of-force shaping block is arranged on the outer wall of the inner shaping mold core, and the line-of-force shaping block is inserted into the line-of-force shaping groove to extrude a tank body line-of-force; and

the coiling stamping die core is connected with the lower die; the winding stamping die core is arranged at the end part of the outer shaping die core and is provided with a winding shaping groove.

2. The stamping die for the body of the packaging can according to claim 1, wherein the upper stamping die core comprises an upper stamping part and a lower stamping part connected with the upper stamping part, and the area of the upper stamping part is larger than that of the lower stamping part.

3. The stamping die for the body of the packaging can according to claim 2, wherein a first pushing inclined plane is arranged between the upper stamping part and the lower stamping part, and a second pushing inclined plane matched with the first pushing inclined plane is arranged on the inner shaping die core.

4. The stamping die for the can body of the packaging can according to claim 3, wherein the pressure-bearing die core is provided with a limit inclined plane matched with the first pushing inclined plane.

5. The stamping die for the can body of the packaging can as claimed in claim 3, wherein the lower stamping part is provided with a chamfer.

6. The stamping die for the can body of the packaging can according to claim 1, wherein a limiting block is arranged at the end part of the inner shaping die core close to the pressure-bearing die core, and the pressure-bearing die core is provided with a limiting groove matched with the limiting block.

7. The stamping die for the body of the packaging can as claimed in claim 6, wherein the end of the inner shaping mold core far away from the pressure-bearing mold core is provided with a shaping plane, and the shaping plane cooperates with the winding shaping groove to press out the winding of the can body.

8. The packaging can body stamping die as claimed in claim 7, wherein the coiling stamping die core is provided with a abdicating groove, the abdicating groove is communicated with the coiling shaping groove, the inner shaping die core is provided with a coiling shaping block, the coiling shaping block extends into the abdicating groove, and the shaping plane is arranged on the end surface of the coiling shaping block connected with the coiling stamping die core.

9. The stamping die for the can body of the packaging can as claimed in claim 1, wherein the lower die base is provided with a blanking groove, and the blanking groove is arranged adjacent to the bottom edge.

10. The stamping die for the body of the packaging can as claimed in claim 1, wherein the end of the winding stamping die core close to the outer shaping die core is provided with a chamfer.

Images