Bottom edge pressing device of zip-top can cover forming machine

By setting up a limit assembly and a motor drive system in the bottom edge pressing device of the can forming machine, the problems of offset and uneven force of the can during the edge pressing process are solved, and the molding quality of the can and the applicability of the equipment is improved.

CN223234937UActive Publication Date: 2025-08-19ZHAOQING JINDAJIN PACKAGING CONTAINER CO LTD
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Patent Information

Application Number
CN202422554391.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-22
Publication Date
2025-08-19
Estimated Expiration
2034-10-22

AI Technical Summary

Technical Problem

The bottom edge pressing device of the existing can forming machine lacks limit components, which causes the can to be easily offset during the edge pressing process, and the edge pressing force is uneven, which affects the quality of the can cover and may lead to product scrapping.

Method used

The limiting components are arranged in the bottom edge pressing device of the can cap forming machine, including slide grooves, motors, gears, screws and limit blocks, to achieve accurate positioning and uniform pressure on the can, and adjust the bottom mold position through the motor and screw to adapt to different can cap sizes.

Benefits of technology

The precise positioning and uniform pressure of the can cap are achieved, the molding quality and processing stability of the can cap are improved, and the defective yield rate is reduced.

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Abstract

The utility model discloses a bottom edge pressing device of a zip-top can cover forming machine, which relates to the technical field of zip-top can cover edge pressing equipment, and comprises a processing table, a support frame is fixedly connected above the processing table, an air cylinder is fixedly connected above the support frame, the output end of the air cylinder is fixedly connected with a top die, and the output end of the top die is fixedly connected with a bottom die. A groove body is arranged above the machining table, one side of the machining table is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a lead screw, the outer side wall of the lead screw is sleeved with a sliding base, the upper portion of the sliding base is fixedly connected with a bottom die, and a containing groove is arranged above the bottom die. A limiting assembly is arranged in the containing groove, and an edge pressing assembly is arranged above the bottom die. According to the ring-pull can edge pressing device, by arranging the limiting assembly, ring-pull cans can be fixed when the ring-pull can covers are subjected to edge pressing, the stability in the edge pressing process is guaranteed, accurate positioning and uniform pressure applying on the can covers are achieved, and the forming quality of the can covers is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of edge pressing equipment for easy-open can lids, in particular to a bottom edge pressing device for an easy-open can lid forming machine. Background Art

[0002] There are two types of materials for making cans: one is aluminum and the other is tinplate. With the application of stretching technology in the production of spray cans, aluminum spray cans will gradually occupy the market. Aluminum can be recycled and reused to reduce material costs and continuously improve the recycling rate of aluminum cans and aluminum packaging materials. At present, when processing cans on the market, edge pressing devices are often used.

[0003] During the patent application process, a search revealed a Chinese patent with the patent number CN221184356U: a bottom edge pressing device for a can forming machine, comprising: an equipment frame; a first hydraulic cylinder disposed on the top of the equipment frame; a top die disposed at the bottom of the first hydraulic cylinder; a cooling assembly disposed on one side of the equipment frame; the cooling assembly comprising a fan, an air duct, and ventilation holes. The bottom edge pressing device of the can forming machine drives a screw to rotate in a screw groove in a movable plate through a motor, so that the movable plates on both sides can drive the edge pressing ring on the fixed frame to move, thereby facilitating the movement of the edge pressing ring position. In addition, the hydraulic cylinder can be used to push the bottom fixed rod to move, thereby facilitating the appropriate adjustment of the height of the edge pressing ring, and thus the pressure on the aluminum material of the can can be adjusted according to the need, thereby improving the stability of the aluminum material during edge pressing, improving the quality of subsequent stretching, and reducing the occurrence of defective products to a certain extent.

[0004] The device lacks a limiting component for the can during the edge pressing process, which can easily cause the can to shift during edge pressing and lead to uneven edge pressing force. These problems will affect the quality of the can lid and even cause the product to be scrapped. Utility Model Content

[0005] In response to the shortcomings of the existing technology, the utility model provides a bottom pressing device for a can lid forming machine. By setting a limit component, the can can can be fixed when the can lid is pressed, ensuring stability during the pressing process, achieving precise positioning and uniform pressure on the can lid, and improving the forming quality of the can lid.

[0006] The utility model also provides a bottom edge pressing device of the above-mentioned easy-open can lid forming machine, comprising: a processing table, a support frame fixedly connected to the top of the processing table, a cylinder fixedly connected to the top of the support frame, an output end of the cylinder fixedly connected to a top mold, a trough body provided above the processing table, a motor 1 fixedly connected to one side of the processing table, a screw rod fixedly connected to the output end of the motor 1, a sliding seat sleeved on the outer side wall of the screw rod, a bottom mold fixedly connected to the top of the sliding seat, a placement groove provided above the bottom mold, a limiting component provided inside the placement groove, and an edge pressing component provided above the bottom mold;

[0007] The limiting assembly includes a slide groove 1 arranged on the bottom wall of the placement groove, a driving cavity below the slide groove 1 and located inside the bottom mold, the bottom wall of the driving cavity is fixedly connected to motor 2, the output end of motor 2 is fixedly connected to gear 1, the inner wall of the driving cavity is rotatably connected to two screws, the outer side walls of the two screws are fixedly connected to gear 2, the outer side walls of the two screws are sleeved, and the upper part of the sleeve is fixedly connected to a limiting block.

[0008] According to the bottom pressing device of the can lid forming machine, the pressing assembly includes a bracket fixedly connected to the two sides above the bottom mold, the two opposite sides of the brackets are provided with a second slide groove, the top of the two brackets are threadedly connected with an adjusting bolt, the inner walls of the two slide grooves are slidably connected with a slider, and the opposite sides of the two sliders are fixedly connected with a pressing ring.

[0009] According to the bottom edge pressing device of the can cover forming machine, the adjusting bolt is rotatably connected to the upper end of the slider via a rotating shaft, and the slider is slidably connected to the second slide groove.

[0010] According to the bottom edge pressing device of the easy-open can lid forming machine, the gear 1 is meshed and connected with the two gears 2.

[0011] According to the bottom edge pressing device of the can cover forming machine, the upper end of the sleeve is slidably connected to the slide groove.

[0012] According to the bottom edge pressing device of the can lid forming machine, the limiting block is in the shape of an arc, and an anti-slip pad is provided on the inner wall of the limiting block.

[0013] According to the bottom edge pressing device of the easy-open can lid forming machine, four bases are fixedly connected below the processing table, and the four bases are symmetrically arranged.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the present invention, by providing a limit assembly, the can can be fixed when the can lid is pressed, ensuring stability during the pressing process, achieving precise positioning and uniform pressure on the can lid, and improving the molding quality of the can lid.

[0016] 2. In the present invention, the edge of the can lid can be pressed by the edge pressing assembly, thereby improving the processing quality.

[0017] 3. In the present invention, the position of the bottom mold can be easily adjusted through the cooperation of the motor, the screw rod and the sliding seat to adapt to the processing requirements of can lids of different sizes, thereby improving the applicability of the equipment.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0020] Figure 1 This is a front perspective view of a bottom edge pressing device of an easy-open can lid forming machine according to the present invention;

[0021] Figure 2 This is a top perspective view of a bottom edge pressing device of an easy-open can lid forming machine according to the present invention;

[0022] Figure 3 This is a three-dimensional diagram of the edge pressing assembly of the bottom edge pressing device of the easy-open can lid forming machine of the present utility model;

[0023] Figure 4 This is a diagram showing the internal structure of the bottom die of the bottom edge pressing device of an easy-open can lid forming machine according to the present invention.

[0024] Legend:

[0025] 1. Processing table; 2. Support frame; 3. Cylinder; 4. Top mold; 5. Trough body; 6. Motor 1; 7. Screw; 8. Sliding seat; 9. Bottom mold; 10. Placement groove; 11. Limit assembly; 12. Binder assembly; 111. Slide 1; 112. Drive chamber; 113. Motor 2; 114. Gear 1; 115. Screw; 116. Gear 2; 117. Sleeve; 118. Limit block; 121. Bracket; 122. Slide 2; 123. Adjusting bolt; 124. Slider; 125. Binder ring; 13. Base. DETAILED DESCRIPTION

[0026] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0027] Reference Figure 1-4 , the utility model embodiment is a bottom pressing device of an easy-open can lid forming machine, which includes: a processing table 1, four bases 13 are fixedly connected to the bottom of the processing table 1, and the four bases 13 are symmetrically arranged, a support frame 2 is fixedly connected to the top of the processing table 1, a cylinder 3 is fixedly connected to the top of the support frame 2, the output end of the cylinder 3 is fixedly connected to the top mold 4, a trough body 5 is provided above the processing table 1, a motor 6 is fixedly connected to one side of the processing table 1, a screw rod 7 is fixedly connected to the output end of the motor 6, a sliding seat 8 is sleeved on the outer side wall of the screw rod 7, a bottom mold 9 is fixedly connected to the top of the sliding seat 8, a placement groove 10 is provided above the bottom mold 9, a limiting component 11 is provided inside the placement groove 10, and a pressing component 12 is provided above the bottom mold 9;

[0028] The limiting assembly 11 includes a slide groove 111 arranged on the inner bottom wall of the placement groove 10, a driving chamber 112 below the slide groove 111 and located inside the bottom mold 9, the bottom wall of the driving chamber 112 is fixedly connected to the motor 2 113, the output end of the motor 2 113 is fixedly connected to the gear 114, the gear 114 is meshed with the two gear 2 116, the inner wall of the driving chamber 112 is rotatably connected to two screws 115, the outer side walls of the two screws 115 are fixedly connected to the gear 2 116, the outer side walls of the two screws 115 are sleeved with a sleeve 117, the upper end of the sleeve 117 is slidably connected to the slide groove 111, and the upper part of the sleeve 117 is fixedly connected to the limiting block 118, the shape of the limiting block 118 is arc-shaped, and the inner wall of the limiting block 118 is provided with an anti-slip pad.

[0029] The edge pressing assembly 12 includes brackets 121 fixedly connected to both sides above the bottom mold 9. The two brackets 121 are provided with a second slide 122 on the opposite side. The upper part of the two brackets 121 is threadedly connected with an adjusting bolt 123. The adjusting bolt 123 is rotatably connected to the upper end of a slider 124 through a rotating shaft. The slider 124 is slidably connected to the second slide 122. The inner walls of the two slides 122 are slidably connected with the slider 124. The opposite side of the two sliders 124 is fixedly connected with a edge pressing ring 125. By providing the limit assembly 11, the can can be fixed when the can lid is edge pressed, ensuring stability during the edge pressing process, achieving precise positioning and uniform pressure on the can lid, and improving the molding quality of the can lid.

[0030] Working principle: When in use, the can to be processed is placed in the placement groove 10 above the bottom mold 9. At this time, the motor 2 113 can be started to drive the gear 114 to rotate, and the gear 114 is meshed with the two gear 2s 116, so that the two screws 115 rotate at the same time. The rotation of the screw 115 drives the sleeve 117 to move along the slide 111, driving the limit block 118 to move inward, thereby achieving precise positioning of the can. When pressing the edge, the can lid is placed on the can, and the adjusting bolt 123 is rotated to make the slider 124 slide along the slide 2 122, thereby driving the pressure ring 125 to press and limit the edge of the can lid, ensuring the uniformity and stability of the pressure. During the pressing process, the cylinder 3 is started to output the top mold 4 to apply a certain pressure to the can lid, which is convenient for pressing the can lid while maintaining stability during the pressing process. In addition, the motor 16 can be started to output the screw rod 7 to drive the sliding seat 8 to slide, thereby adjusting the position of the bottom mold 9 to meet the processing requirements of different can lids.

[0031] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A bottom edge pressing device of a can lid forming machine, comprising: A processing table (1) is characterized in that a support frame (2) is fixedly connected to the top of the processing table (1), a cylinder (3) is fixedly connected to the top of the support frame (2), the output end of the cylinder (3) is fixedly connected to the top mold (4), a trough body (5) is provided above the processing table (1), a motor (6) is fixedly connected to one side of the processing table (1), the output end of the motor (6) is fixedly connected to a screw rod (7), the outer side wall of the screw rod (7) is sleeved with a sliding seat (8), a bottom mold (9) is fixedly connected to the top of the sliding seat (8), a placement groove (10) is provided above the bottom mold (9), a limiting component (11) is provided inside the placement groove (10), and a pressing edge component (12) is provided above the bottom mold (9); The limiting assembly (11) includes a slide groove (111) arranged on the inner bottom wall of the placement groove (10), a driving cavity (112) located below the slide groove (111) and inside the bottom mold (9), the bottom wall of the driving cavity (112) is fixedly connected to a motor (113), the output end of the motor (113) is fixedly connected to a gear (114), the inner wall of the driving cavity (112) is rotatably connected to two screw rods (115), the outer side walls of the two screw rods (115) are fixedly connected to a gear (116), the outer side walls of the two screw rods (115) are both sleeved with a sleeve (117), and the upper part of the sleeve (117) is fixedly connected to a limiting block (118).

2. The bottom edge pressing device of the can lid forming machine according to claim 1, characterized in that: The edge pressing assembly (12) includes a bracket (121) fixedly connected to both sides above the bottom mold (9), a second slide groove (122) is provided on the opposite side of the two brackets (121), an adjusting bolt (123) is threadedly connected to the top of the two brackets (121), a slider (124) is slidably connected to the inner wall of the two second slide grooves (122), and a edge pressing ring (125) is fixedly connected to the opposite side of the two sliders (124).

3. The bottom edge pressing device of the can lid forming machine according to claim 2, characterized in that: The adjusting bolt (123) is rotatably connected to the upper end of the slider (124) via a rotating shaft, and the slider (124) is slidably connected to the second slide groove (122).

4. The bottom edge pressing device of the can lid forming machine according to claim 1, characterized in that: The gear one (114) is meshedly connected with two gear twos (116).

5. The bottom edge pressing device of the can lid forming machine according to claim 1, characterized in that: The upper end of the sleeve (117) is slidably connected to the first slide groove (111).

6. The bottom edge pressing device of the can lid forming machine according to claim 1, characterized in that: The limiting block (118) is in an arc shape, and an anti-slip pad is provided on the inner wall of the limiting block (118).

7. The bottom edge pressing device of the can lid forming machine according to claim 1, characterized in that: Four bases (13) are fixedly connected to the bottom of the processing table (1), and the four bases (13) are symmetrically arranged.

Citation Information

Patent Citations

  • Bottom edge pressing device of zip-top can forming machine

    CN221184356U