CN210523603U - Stamping die is used in tinplate cover production - Google Patents

Abstract

The utility model discloses a stamping die for producing tinplate can covers, which comprises an upper die and a lower die, an outer convex part is arranged at the lower part of the upper punch, two groups of first grooves and two groups of first limiting grooves are symmetrically arranged at the lower part of the upper punch, the two groups of first grooves are communicated with the two groups of first limiting grooves, the two groups of first springs are respectively welded inside the two groups of first grooves, the two groups of first lugs are welded at the lower parts of the two groups of first springs, the upper part of the lower punch is provided with a lower concave part, the middle part of the lower punch is provided with a second groove and a second limit groove, the second groove is communicated with the second limiting groove, the second spring is welded on the second groove, the second lug is welded on the upper part of the second spring, the air inlet main pipe is arranged inside the lower template, and the two groups of air inlet branch pipes are positioned inside the lower punch. The utility model discloses simple convenient realization drawing of patterns avoids the cover card to locate at punch head or lower punch.

Description

Stamping die is used in tinplate cover production

Technical Field

The utility model relates to a cover production technical field specifically is a stamping die is used in tinplate cover production.

Background

Tinplate, also known as tin-plated iron, is a common name of tin-plated steel sheet, and is abbreviated as SPTE in English, and refers to a cold-rolled low-carbon steel sheet or strip plated with commercial pure tin on both sides, wherein tin mainly plays a role in preventing corrosion and rusting, combines the strength and formability of steel and the corrosion resistance, tin weldability and beautiful appearance of tin into one material, has the characteristics of corrosion resistance, non-toxicity, high strength and good ductility, and can be widely applied to packaging of food, beverage and the like.

The tinplate can cover is used as an important component of a tinplate can, the production of the tinplate can cover generally utilizes a driving mechanism to drive the matching of an upper template and a lower template to realize the die punching process, and because the existing can cover is generally provided with a convex groove, the formed can cover is easily clamped at the lower part of an upper punch or the upper part of the upper punch in the punching process, the existing die is inconvenient to demould and is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stamping die is used in tinplate cover production, simple convenient realization drawing of patterns process avoids influencing the drawing of patterns process because the recess to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a stamping die for producing a tinplate tank cover comprises an upper die and a lower die, wherein the upper die comprises an upper die plate, an upper punch, two groups of first springs and two groups of first convex blocks, the upper punch is arranged at the lower part of the upper die plate, an outer convex part is arranged at the lower part of the upper punch, two groups of first grooves and two groups of first limiting grooves are symmetrically arranged at the lower part of the upper punch, the two groups of first grooves are communicated with the two groups of first limiting grooves, the two groups of first springs are respectively welded inside the two groups of first grooves, the two groups of first convex blocks are respectively welded at the lower parts of the two groups of first springs, the upper parts of the two groups of first convex blocks are respectively inserted into the lower parts of the two groups of first limiting grooves, the lower die comprises a lower die plate, a lower punch, a second spring, a second convex block, a main air inlet pipe and two groups of air inlet branch pipes, the, the upper portion of lower punch be provided with outer convex part complex lower recess, second recess and second spacing groove have been seted up at the middle part of lower punch, second recess and second spacing groove intercommunication, the second spring welds in the inside of second recess, the second lug welds in the upper portion of second spring, the upper portion of second spacing groove is visited into to the lower part of second lug, the female pipe of admitting air sets up in the inside of lower bolster, and is two sets of the branch of admitting air is in the inside of lower punch, and is two sets of the lower part and the female pipe intercommunication of admitting air of branch of admitting air are two sets of the upper portion and the lower recess intercommunication of branch of admitting air.

Preferably, the upper portion of the upper template is provided with a template handle, and an inclined strut is welded between the upper template and the template handle.

Preferably, the lower part of the upper punch is provided with a conical ring, and the inner diameter of the conical ring is the same as the outer diameter of the lower punch.

Preferably, the cross sections of the outer convex part and the lower concave part are both circular ring-shaped, and the inner side cross section of the outer convex part and the inner side cross section of the lower concave part are both arc-shaped.

Preferably, the outer walls of the first lug and the second lug are smooth surfaces.

Preferably, the lower part of the air inlet main pipe is communicated with an air inlet pipe, and an air inlet nozzle is installed on the end side of the air inlet pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the matching of the first spring and the first bump, in the stamping process, the first bump enters the inside of the first limiting groove under the action of the stamping force, so that the lower wall of the first bump is flush with the lower wall of the adjacent upper punch, the first spring stores the force, and in the demolding process, the first spring which stores the force pushes the first bump to move downwards to push the upper part of the formed can cover, so that the can cover is prevented from being clamped at the lower part of the upper punch;

2. through the cooperation of second spring and second lug, and the cooperation of female pipe of air inlet and air inlet branch pipe, at the in-process of punching press, the second lug gets into the inside of second spacing groove under the effect of punching force, make the lower wall of second lug flush with the upper wall of adjacent lower punch, and hold power to the second spring, at the drawing of patterns in-process, the second spring that holds power promotes the second lug and shifts up, promote fashioned cover lower part, avoid the cover card on the upper portion of lower punch, then utilize outside air feeder to ventilate to the inside of female pipe of air inlet and air inlet branch pipe, air inlet branch pipe spun air promotes the lower part of cover, better realization drawing of patterns.

Drawings

FIG. 1 is a front sectional exploded view of the present invention;

fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;

FIG. 3 is a schematic bottom view of the upper punch structure of the present invention;

fig. 4 is a schematic top view of the lower punch according to the present invention.

In the figure: 1. an upper die; 101. mounting a template; 102. an upper punch; 103. a first spring; 104. a first bump; 105. an outer convex portion; 106. a first groove; 107. a first limit groove; 2. a lower die; 201. a lower template; 202. a lower punch; 203. a second spring; 204. a second bump; 205. a main air inlet pipe; 206. an intake branch pipe; 207. a lower recess; 208. a second groove; 209. a second limit groove; 3. a die shank; 4. bracing; 5. a tapered ring; 6. an air inlet pipe; 7. an air inlet nozzle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a stamping die for producing a tin can cover comprises an upper die 1 and a lower die 2, wherein the upper die 1 comprises an upper die plate 101, an upper punch 102, two groups of first springs 103 and two groups of first lugs 104, the upper punch 102 is arranged at the lower part of the upper die plate 101, an outer convex part 105 is arranged at the lower part of the upper punch 102, two groups of first grooves 106 and two groups of first limiting grooves 107 are symmetrically arranged at the lower part of the upper punch 102, the two groups of first grooves 106 are communicated with the two groups of first limiting grooves 107, the two groups of first springs 103 are respectively welded inside the two groups of first grooves 106, the two groups of first lugs 104 are respectively welded at the lower parts of the two groups of first springs 103, the upper parts of the two groups of first lugs 104 extend into the lower parts of the two groups of first limiting grooves 107, the upper die plate 101 is connected with external driving equipment, the external driving equipment adopts a hydraulic cylinder, a die shank 3 is arranged at the upper part of the upper die plate 101, an inclined strut 4 for improving the stability between the, the lower part of the upper punch 102 is provided with a pointed cone ring 5 for cutting off raw materials, the inner diameter of the pointed cone ring 5 is the same as the outer diameter of the lower punch 202, the section of the outer convex part 105 is arranged in a circular ring shape, the inner side section of the outer convex part 105 is arranged in an arc shape, so that the first bump 104 conveniently enters or slides out of the first limiting groove 107, and the outer wall of the first bump 104 is a smooth surface;

referring to fig. 1 and 4, the lower die 2 is composed of a lower die plate 201, a lower punch 202, a second spring 203, a second lug 204, a main air inlet pipe 205 and two sets of branch air inlet pipes 206, the lower punch 202 is disposed on the upper portion of the lower die plate 201, the upper portion of the lower punch 202 is provided with a concave portion 207 matched with the convex portion 105, the middle portion of the lower punch 202 is provided with a second groove 208 and a second limiting groove 209, the second groove 208 is communicated with the second limiting groove 209, the second spring 203 is welded inside the second groove 208, the second lug 204 is welded on the upper portion of the second spring 203, the lower portion of the second lug 204 is inserted into the upper portion of the second limiting groove 209, the main air inlet pipe 205 is disposed inside the lower die plate 201, the two sets of branch air inlet pipes 206 are disposed inside the lower punch 202, the lower portions of the two sets of branch air inlet pipes 206 are communicated with the main air inlet pipe 205, the upper portions of the two sets of branch air inlet pipes 206, the inner side cross section of the lower concave part 207 is arc-shaped, so that the second bump 204 can conveniently enter or slide out of the second limiting groove 209, the outer wall of the second bump 204 is smooth, the lower part of the air inlet main pipe 205 is communicated with an air inlet pipe 6, the air inlet nozzle 7 is installed on the end side of the air inlet pipe 6, the air inlet pipe 6 is matched with the air inlet nozzle 7, and the air inlet pipe 6 is conveniently connected with external air supply equipment which adopts an air compressor.

The working principle is as follows: when the stamping die is used, raw materials are placed on the upper portion of the second bump 204, then the raw materials are connected with the die shank 3 through an external driving device and push the upper die 1 to move downwards, in the process that the upper die 1 moves downwards, the first bump 104 enters the inside of the first limiting groove 107 under the action of stamping force, so that the lower wall of the first bump 104 is flush with the lower wall of the adjacent upper punch 102 and accumulates force on the first spring 103, the second bump 204 enters the inside of the second limiting groove 209 under the action of stamping force, so that the lower wall of the second bump 204 is flush with the upper wall of the adjacent lower punch 202 and accumulates force on the second spring 203, and the pointed cone ring 5 stamps off the redundant raw materials to realize the stamping process;

utilize outside actuating device to drive and go up mould 1 and move up, first spring 103 of power accumulation promotes first lug 104 and moves down, promote fashioned cover upper portion, avoid the cover card in the lower part of upper punch 102, second spring 203 of power accumulation promotes second lug 204 and shifts up, promote fashioned cover lower part, avoid the cover card in the upper portion of lower punch, then utilize outside air feeder to ventilate to the inside of main pipe 205 of admitting air and branch pipe 206, branch pipe 206 spun air promotes the lower part of cover, better realization drawing of patterns.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a tinplate cover stamping die is used in production, includes mould (1) and lower mould (2), its characterized in that: the upper die (1) comprises an upper die plate (101), an upper punch (102), two groups of first springs (103) and two groups of first convex blocks (104), the upper punch (102) is arranged at the lower part of the upper die plate (101), an outer convex part (105) is arranged at the lower part of the upper punch (102), two groups of first grooves (106) and two groups of first limiting grooves (107) are symmetrically formed in the lower part of the upper punch (102), the two groups of first grooves (106) are communicated with the two groups of first limiting grooves (107), the two groups of first springs (103) are respectively welded inside the two groups of first grooves (106), the two groups of first convex blocks (104) are respectively welded at the lower parts of the two groups of first springs (103), the upper parts of the two groups of first convex blocks (104) are respectively inserted into the lower parts of the two groups of first limiting grooves (107), and the lower die (2) comprises a lower die plate (201), The lower punch (202), the second spring (203), the second bump (204), the air inlet main pipe (205) and two sets of air inlet branch pipes (206) are formed, the lower punch (202) is arranged at the upper part of the lower template (201), the upper part of the lower punch (202) is provided with a lower concave part (207) matched with the outer convex part (105), the middle part of the lower punch (202) is provided with a second groove (208) and a second limiting groove (209), the second groove (208) is communicated with the second limiting groove (209), the second spring (203) is welded inside the second groove (208), the second bump (204) is welded at the upper part of the second spring (203), the lower part of the second bump (204) extends into the upper part of the second limiting groove (209), the air inlet main pipe (205) is arranged inside the lower template (201), and the two sets of air inlet branch pipes (206) are positioned inside the lower punch (202), the lower parts of the two groups of the air inlet branch pipes (206) are communicated with an air inlet main pipe (205), and the upper parts of the two groups of the air inlet branch pipes (206) are communicated with a lower concave part (207).

2. The stamping die for producing the tinplate can cover according to claim 1, characterized in that: the die handle (3) is installed on the upper portion of cope match-plate pattern (101), welding has bracing (4) between cope match-plate pattern (101) and die handle (3).

3. The stamping die for producing the tinplate can cover according to claim 1, characterized in that: the lower part of the upper punch (102) is provided with a conical ring (5), and the inner diameter of the conical ring (5) is the same as the outer diameter of the lower punch (202).

4. The stamping die for producing the tinplate can cover according to claim 1, characterized in that: the cross-section of outer convex part (105) and lower concave part (207) all is the ring shape setting, the inboard cross-section of outer convex part (105) and the inboard cross-section of lower concave part (207) all are the arc setting.

5. The stamping die for producing the tinplate can cover according to claim 1, characterized in that: the outer walls of the first lug (104) and the second lug (204) are smooth surfaces.

6. The stamping die for producing the tinplate can cover according to claim 1, characterized in that: the lower part of the air inlet main pipe (205) is communicated with an air inlet pipe (6), and an air inlet nozzle (7) is installed on the end side of the air inlet pipe (6).

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