Bottom buckling die structure for manufacturing gold brick-shaped packaging tin

Abstract

The utility model discloses a bottom buckling die structure for manufacturing a gold brick-shaped packaging tin. The bottom buckling die structure comprises a lower die and an upper die, the lower die comprises a fixed die base and a plurality of movable die cores, the fixed die base is provided with a lower die cavity which is provided with an upward opening and is matched with a tin body of the gold brick-shaped packaging tin, and the movable die cores are movably arranged in the lower die cavity and can be close to or far away from the center of the lower die cavity to move back and forth; each movable mold core is provided with a driving mechanism, and the driving mechanism drives the corresponding movable mold core to move back and forth; and the upper die is arranged right above the lower die in a manner of moving up and down. The multiple movable mold cores are arranged, each movable mold core is driven by the corresponding driving mechanism to move back and forth close to or away from the center of the lower mold cavity, in the bottom cover buckling connection process, a can body can be clamped and positioned through the movable mold cores firstly, the deformation condition of the can body or the bottom cover is avoided, and the product yield is greatly increased; and convenience is brought to production operation.

Description

Technical Field

[0001] This utility model relates to the field of packaging can manufacturing technology, and in particular to a bottom mold structure for making gold brick-shaped packaging cans. Background Technology

[0002] A jar is a large-mouthed vessel used for holding or cooking food, mostly made of ceramic. Its characteristic shape is a wide, deep mouth, a tapering lower section, and a large foot. Generally made of earthenware, it is shaped using clay, forming a round mouth and large belly, then coated with black or yellow glaze and fired in a kiln. There are several sizes, including large, medium, small, and extra-small. Ceramic jars are smooth inside and out, economical and practical. With the changing times and technological advancements, jars are now also made of materials such as glass, plastic, and metal, but plastic and metal are more common. Some jars have lids, while others are open; they come in various forms and have diverse uses, all suitable for storing items.

[0003] The brick-shaped packaging can is a unique type of packaging can. Its brick-like shape is aesthetically pleasing and popular with consumers. The main structure consists of a can body and a bottom cover, with the bottom cover sealing the bottom opening of the can body. In existing technology, the bottom cover is usually fastened to the can body. However, because the lower outer diameter of the can body is larger than the upper outer diameter, it is difficult to clamp and secure the inner and outer sides of the can body during the fastening process. This makes the can body or bottom cover prone to deformation during the fastening connection, leading to product defects. Therefore, it is necessary to research a solution to these problems. Utility Model Content

[0004] In view of this, the present invention addresses the deficiencies of the existing technology and its main purpose is to provide a bottom-locking mold structure for manufacturing gold brick-shaped packaging cans, which can effectively solve the problem that the bottom cover and the can body are easily deformed during the fastening connection process of the existing gold brick-shaped packaging cans.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A bottom mold structure for manufacturing a gold brick-shaped packaging can includes a lower mold and an upper mold. The lower mold includes a fixed mold base and multiple movable mold cores. The fixed mold base has a lower mold cavity with an upward opening that is adapted to the body of the gold brick-shaped packaging can. The multiple movable mold cores are movably disposed in the lower mold cavity and can be moved back and forth near or away from the center of the lower mold cavity. A driving mechanism is provided for each movable mold core, which drives the corresponding movable mold core to move back and forth. The upper mold is movably disposed directly above the lower mold. The bottom of the upper mold has an upper mold cavity adapted to the bottom cover of the gold brick-shaped packaging can and a crimping groove that causes the bottom edge of the can body to curl. The crimping groove is located on the periphery of the upper mold cavity.

[0007] As a preferred embodiment, the movable mold cores are arranged in four positions in the front, back, left, and right directions, and correspondingly, there are four driving mechanisms.

[0008] As a preferred embodiment, the fixed mold base includes a base body, a pad, a bottom plate, and a lower frame. The pad is stacked on the base body, the bottom plate is stacked on the pad, and the lower frame is stacked on the bottom plate and together with the bottom plate forms a lower mold cavity. The driving mechanism is disposed on the pad.

[0009] As a preferred embodiment, the driving mechanism includes a driving cylinder, a push-pull rod, and a guide rod. The driving cylinder is fixed to the pad plate. The push-pull rod is horizontally arranged, with one end connected to the piston rod of the driving cylinder and extending into the base plate. The guide rod is located inside the base plate and is vertically arranged. The upper end of the guide rod is fixedly connected to the bottom of the movable mold core, and the other end of the guide rod is fixedly connected to the other end of the push-pull rod.

[0010] As a preferred embodiment, the drive cylinder is a pneumatic cylinder.

[0011] Compared with the prior art, this utility model has obvious advantages and beneficial effects. Specifically, as can be seen from the above technical solution:

[0012] By setting multiple movable mold cores, and with each movable mold core being driven by a drive mechanism to move back and forth towards or away from the center of the lower mold cavity, the movable mold cores can first clamp and position the can body during the bottom cover fastening connection process, avoiding deformation of the can body or bottom cover, greatly improving product yield and bringing convenience to production operations.

[0013] To more clearly illustrate the structural features and effects of this utility model, the following detailed description of this utility model is provided in conjunction with the accompanying drawings and specific embodiments. Attached Figure Description

[0014] Figure 1 This is a side perspective view of a preferred embodiment of the present invention;

[0015] Figure 2 This is a top view of the lower mold in a preferred embodiment of the present invention;

[0016] Figure 3 This is a cross-sectional view of the lower frame in a preferred embodiment of the present invention;

[0017] Figure 4 This is a cross-sectional view of the upper mold in a preferred embodiment of the present invention;

[0018] Figure 5 This is a three-dimensional schematic diagram of a brick-shaped packaging can in a preferred embodiment of the present invention;

[0019] Figure 6 This is a cross-sectional schematic diagram of the brick-shaped packaging can in a preferred embodiment of the present invention.

[0020] Explanation of reference numerals in the attached diagram:

[0021] 10. Lower mold 11. Fixed mold base

[0022] 111. Seat body; 112. Pad plate

[0023] 113. Base plate; 114. Lower frame

[0024] 12. Movable mold core 13. Drive mechanism

[0025] 131. Drive cylinder; 132. Push-pull rod

[0026] 133, Guide rod 101, Lower mold cavity

[0027] 20. Upper mold 21. Main body

[0028] 22. Connecting column 201, upper mold cavity

[0029] 202, edge-rolling groove 30, gold brick-shaped packaging can

[0030] 31. Can body 32. Bottom cover. Detailed Implementation

[0031] Please refer to Figures 1 to 6 As shown, it illustrates the specific structure of a preferred embodiment of the present invention, including a lower mold 10 and an upper mold 20.

[0032] The lower mold 10 includes a fixed mold base 11 and a plurality of movable mold cores 12. The fixed mold base 11 has a lower mold cavity 101 with an upward opening that is adapted to the body 31 of the gold brick-shaped packaging can 30. The plurality of movable mold cores 12 are movably disposed in the lower mold cavity 101. The plurality of movable mold cores 12 can be moved back and forth near or away from the center of the lower mold cavity 101. A driving mechanism 13 is provided for each movable mold core 12, and the driving mechanism 13 drives the corresponding movable mold core 12 to move back and forth.

[0033] Specifically, the fixed mold base 11 includes a base body 111, a pad 112, a base plate 113, and a lower frame 114; the base body 111 has a square structure, the pad 112 has a polygonal structure, the pad 112 is stacked on the base body 111, the base plate 113 is stacked on the pad 112, and the lower frame 114 is stacked on the base plate 113 and together with the base plate 113 forms a lower mold cavity 101; there are four movable mold cores 12 arranged in a front-back, left-right, and right-back configuration, and correspondingly, there are four drive mechanisms 13. The drive mechanism 13 is mounted on the pad 112. The drive mechanism 13 includes a drive cylinder 131, a push-pull rod 132, and a guide rod 133. The drive cylinder 131 is fixed on the pad 112. The push-pull rod 132 is horizontally arranged, and one end of the push-pull rod 132 is connected to the piston rod of the drive cylinder 131. The push-pull rod 132 extends into the base plate 113. The guide rod 133 is mounted in the base plate 113 and is vertically arranged. The upper end of the guide rod 133 is fixedly connected to the bottom of the movable mold core 12. The other end of the guide rod 133 is fixedly connected to the push-pull rod 132. The drive cylinder 131 is a pneumatic cylinder.

[0034] The upper mold 20 is movably positioned directly above the lower mold 10. The bottom of the upper mold 20 has an upper mold cavity 201 that matches the bottom cover 32 of the gold brick-shaped packaging can 30, and a crimping groove 202 that causes the bottom edge of the can body 31 to curl. The crimping groove 202 is located around the upper mold cavity 201. In this embodiment, the upper mold 20 includes a main body 21 and a connecting post 22. The upper mold cavity 201 and the crimping groove 202 are located at the bottom of the main body 21, and the connecting post 22 is located at the top center of the main body 21 and extends upwards.

[0035] The working principle of this embodiment is described in detail below:

[0036] In use, this invention is placed on an external stamping device. The lower die 10 is fixed to the base of the device, and the upper die 20 is connected to the drive unit of the stamping device. Next, the stamping device is started, and the drive unit moves the upper die 20 upwards to separate it from the lower die 10. Each drive mechanism 13 then moves each movable die core 12 closer to the center of the lower die cavity 101. The can body 31 is then inverted into the lower die cavity 101, with the bottom opening of the can body 31 facing upwards. Next, each drive mechanism 13 moves each movable die core 12 away from the center of the lower die cavity 101, so that the side walls of the can body 31 are clamped and positioned. Then, the bottom cover 32 is placed on the bottom opening of the can body 31. The upper mold 20 is driven downward by the drive device to close with the lower mold 10. After the mold is closed, the bottom edge of the can body 31 is curled under the action of the edge curling groove 202, and the periphery of the bottom cover 32 is fastened and fixed, thereby realizing the installation connection between the bottom cover 32 and the can body 31 to form a brick-shaped packaging can 30. Then, the upper mold 20 is driven upward by the drive device to separate from the lower mold 10, and each drive mechanism 13 drives each movable mold core 12 to move close to the center of the lower mold cavity 101 and into place. Finally, the brick-shaped packaging can 30 can be taken out from the lower mold cavity 101.

[0037] The key design feature of this invention is that by setting multiple movable mold cores, and with each movable mold core being driven by a drive mechanism to move back and forth towards or away from the center of the lower mold cavity, the movable mold cores can first clamp and position the can body during the bottom cover fastening connection process, thus preventing deformation of the can body or bottom cover, greatly improving product yield, and bringing convenience to production operations.

[0038] The above description is merely a preferred embodiment of the present utility model and does not constitute any limitation on the technical scope of the present utility model. Therefore, any minor modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model shall still fall within the scope of the technical solution of the present utility model.

Claims

1. A bottom-locking mold structure for manufacturing gold brick-shaped packaging cans, characterized in that: The device includes a lower mold and an upper mold. The lower mold includes a fixed mold base and multiple movable mold cores. The fixed mold base has a lower mold cavity with an upward opening that is adapted to the body of the gold brick-shaped packaging can. The multiple movable mold cores are movably disposed in the lower mold cavity and can be moved back and forth near or away from the center of the lower mold cavity. Each movable mold core is provided with a driving mechanism that drives the corresponding movable mold core to move back and forth. The upper mold is movably disposed directly above the lower mold. The bottom of the upper mold has an upper mold cavity adapted to the bottom cover of the gold brick-shaped packaging can and a crimping groove that causes the bottom edge of the can body to curl. The crimping groove is located on the periphery of the upper mold cavity.

2. The bottom mold structure for manufacturing gold brick-shaped packaging cans according to claim 1, characterized in that: The movable mold cores are arranged in four positions in the front, back, left, and right directions, and correspondingly, there are four driving mechanisms.

3. The bottom mold structure for manufacturing gold brick-shaped packaging cans according to claim 1, characterized in that: The fixed mold base includes a base body, a pad, a bottom plate, and a lower frame. The pad is stacked on the base body, the bottom plate is stacked on the pad, and the lower frame is stacked on the bottom plate and together with the bottom plate forms a lower mold cavity. The driving mechanism is disposed on the pad.

4. The bottom mold structure for manufacturing gold brick-shaped packaging cans according to claim 3, characterized in that: The driving mechanism includes a driving cylinder, a push-pull rod, and a guide rod. The driving cylinder is fixed on the pad plate. The push-pull rod is horizontally arranged, with one end connected to the piston rod of the driving cylinder. The push-pull rod extends into the base plate. The guide rod is arranged vertically inside the base plate. The upper end of the guide rod is fixedly connected to the bottom of the movable mold core, and the other end of the guide rod is fixedly connected to the other end of the push-pull rod.

5. The bottom mold structure for manufacturing gold brick-shaped packaging cans according to claim 4, characterized in that: The drive cylinder is a pneumatic cylinder.

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