Punch forming device for can making and metal decorating
By setting up a finale, a press sleeve and a compression spring structure in the stamping forming device for can printing iron, the problem of large impact force is solved, effective absorption and dispersion of impact energy is achieved, and the molding accuracy and yield are improved.
Patent Information
- Application Number
- CN202421529494.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-01
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-07-01
AI Technical Summary
The existing stamping and forming devices for canning and iron printing have increased equipment load and energy consumption due to the large impact force, and lack a buffering mechanism, which leads to jitter and offset of the embryo, affecting the molding accuracy and yield rate.
A stamping forming device for can printing iron is designed. By setting a pressing shaft and a press sleeve structure on both sides of the press mold, the cylinder drive is used to push the plate to lift and lower, the pressure spring absorbs impact energy, adjusts the screw shaft to control the compression degree of the press spring, accurately controls the position of the press sleeve, and reduces the direct effect of impact on the blast material.
Effectively absorb and disperse the huge impact force generated in the moment of stamping, reduce jitter during the molding process, improve molding accuracy, reduce equipment load and energy consumption, and improve yield.
Smart Images
Figure CN222805990U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of canning tinplate making, in particular to a stamping and forming device for canning tinplate making. Background Art
[0002] In the metal packaging industry, canning and tinplate technology is a crucial part of the production process, especially the stamping stage, which directly affects the quality, efficiency and cost control of the finished can. Therefore, continuously improving stamping technology and optimizing equipment and process flow have become an important way to enhance the value of the entire metal packaging industry chain and adapt to the rapidly changing market demand.
[0003] Existing stamping and forming devices for canning and tinplate generally rely on high-intensity mechanical power to directly act on metal blanks to achieve rapid forming. However, this direct impact method will generate a huge instantaneous impact force during operation, which not only puts a large load on the equipment itself and increases energy consumption, but more importantly, due to the lack of an effective buffer mechanism, the blank is prone to unexpected shaking or deviation when subjected to strong external forces, resulting in reduced stamping and forming accuracy, scratches, deformation and other quality problems on the product surface, and in severe cases, even affecting the sealing and stability of the can body and reducing the yield rate. Utility Model Content
[0004] The purpose of the utility model is to provide a stamping and forming device for canning and tinplate making, so as to solve the problems raised in the above-mentioned background technology that the current stamping and forming device for canning and tinplate making is fast but has a large impact force, which increases the load and energy consumption of the equipment, and causes the blank to shake and deviate due to the lack of buffer, thereby affecting the forming accuracy, surface quality and yield rate.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stamping and forming device for canning tinplate, comprising a mold frame, a push plate driven to rise and fall by a cylinder is provided at the upper end of the mold frame, a die is installed at the bottom of the push plate, and a bottom die corresponding to the position of the die is installed on the bottom plate of the mold frame, a pressing shaft is inserted on both sides of the push plate, a pressing sleeve is provided on the external movable sleeve of the bottom end of the pressing shaft, and a positioning ring movably sleeved on the outside of the pressing shaft is provided above the pressing sleeve, a compression spring sleeved on the outside of the pressing shaft is connected between the bottom of the positioning ring and the top of the pressing sleeve, and adjustment screw shafts for driving the positioning ring to perform vertical displacement are also inserted at both ends of the push plate.
[0006] Preferably, a pressing block is fixed to the bottom end of the adjusting screw shaft, and a supporting block is provided on one side of the positioning ring, and a groove matching the supporting block structure is provided on the top of the supporting block.
[0007] Preferably, a mounting block is provided on the top of the die, and studs are fixed on both sides of the top of the mounting block, and a mounting opening matching the studs is symmetrically provided in the middle of the push plate, and the studs are inserted into the mounting opening of the push plate and connected with a fixing nut through a threaded structure.
[0008] Preferably, a threaded hole is provided on the rear side of the connection between the push plate and the pressure shaft, and a pre-tightening bolt is connected to the threaded hole at the connection between the push plate and the pressure shaft.
[0009] Preferably, an annular limiting block is provided at the bottom end of the pressing shaft, and an annular limiting groove distributed vertically is provided on the inner wall of the pressing sleeve.
[0010] Preferably, the pressing shaft and the pressing sleeve are provided with two groups, and the two groups of the pressing shaft and the pressing sleeve are symmetrically distributed on both sides of the pushing plate.
[0011] Compared with the prior art, the utility model has the beneficial effect that the stamping forming device for canning iron can effectively absorb and disperse the huge impact force generated at the moment of stamping, reduce the direct impact on the blank, thereby greatly reducing the shaking phenomenon in the forming process and improving the forming accuracy. The device is provided with a pressing shaft and a pressing sleeve structure on both sides of the die. When the die is driven by the cylinder to push the push plate downward, the pressing sleeve will contact the bottom plate of the mold frame in advance and slide along the bottom end of the pressing shaft. The compression spring absorbs part of the impact energy as it is compressed, and the adjusting screw shafts provided on both sides of the push plate can be adjusted to control the compression degree of the compression spring, thereby accurately controlling the position of the pressing sleeve. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 This is a schematic diagram of the structure of a punching and forming device for canning and tinplate making of the utility model;
[0013] Figure 2 This is a schematic diagram of the connection structure between the die and the push plate of a punching and forming device for canning iron stamping of the utility model;
[0014] Figure 3 This is a schematic diagram of the top view of the push plate of a punching and forming device for canning and tinplate making of the utility model;
[0015] Figure 4 The utility model is a schematic diagram of the connection structure between a pressing shaft and a pressing sleeve of a punching and forming device for canning and tinplate.
[0016] In the figure: 1. mold frame; 2. push plate; 3. pressing die; 4. pressing shaft; 5. pressing sleeve; 6. adjusting screw shaft; 7. positioning ring; 8. compression spring; 9. pressing block; 10. supporting block; 11. mounting block; 12. stud; 13. fixing nut; 14. pre-tightening bolt; 15. annular limit block. DETAILED DESCRIPTION
[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0018] See also Figure 1-4The utility model provides a technical solution: a stamping forming device for canning iron, comprising a mold frame 1, the mold frame 1 is mainly composed of a top plate, a bottom plate and two guide columns, a cylinder is fixedly installed in the middle of the top plate of the mold frame 1 by screws, a push plate 2 driven to rise and fall by the cylinder is arranged at the upper end of the mold frame 1, both ends of the push plate 2 are slidably sleeved on the outside of the guide columns of the mold frame 1, a pressing die 3 is installed at the bottom of the push plate 2, and a bottom die corresponding to the position of the pressing die 3 is installed on the bottom plate of the mold frame 1, pressing shafts 4 are inserted on both sides of the push plate 2, and a pressing sleeve 5 is provided on the outer movable sleeve of the bottom end of the pressing shaft 4, and the pressing shaft 4 and the pressing sleeve 5 are provided in two groups, and the pressing shaft 4 and the pressing sleeve 5 are symmetrically distributed on both sides of the push plate 2, and a fixed sleeve 5 movable sleeve arranged on the outside of the pressing shaft 4 is provided above the pressing sleeve 5. The bottom of the positioning ring 7 and the top of the pressing sleeve 5 are connected with a compression spring 8 sleeved on the outside of the pressing shaft 4, and the two ends of the pushing plate 2 are also interspersed with adjusting screw shafts 6 for driving the positioning ring 7 to perform vertical displacement. The adjusting screw shafts 6 are interspersed in the inside of the pushing plate 2 through a threaded structure. When the pushing plate 2 of this structure drives the die 3 to advance toward the bottom die through the cylinder to apply pressure to the metal blank, the two pressing sleeves 5 will contact the bottom plate of the mold frame 1 in advance and slide along the bottom end of the pressing shaft 4. When the pressing sleeve 5 slides, it will simultaneously compress the compression spring 8 with the cooperation of the positioning ring 7. In this way, the pressing sleeve 5 can absorb part of the impact energy under the action of the compression spring 8, so as to play a buffering role in the process of the pushing plate 2 driving the die 3, thereby effectively absorbing and dispersing the huge impact force generated by the die 3 at the moment of stamping. , reducing the direct impact on the blank, and is conducive to reducing the jitter phenomenon during the molding process, improving the molding accuracy, and at the same time, the adjusting screw shaft 6 can control its vertical position by rotating the pressing positioning ring 7 on the pushing plate 2, and the positioning ring 7 is vertically displaced to different positions outside the pressing shaft 4 to control the compression degree of the compression spring 8, so as to accurately control the position of the pressing sleeve 5, ensure that the gap between the pressing die 3 and the bottom die is uniform, and then meet the molding requirements of different material thicknesses, improve production flexibility and product consistency, the bottom end of the adjusting screw shaft 6 is welded and fixed with a pressing block 9, and one side of the positioning ring 7 is welded and fixed with a supporting block 10, and the top of the supporting block 10 is provided with an embedding groove that matches the structure of the supporting block 10, and the adjusting screw shaft 6 of this structure rotates on the pushing plate 2 to drive the pressing block 9 to move vertically The pressing block 9 is vertically movable and embedded in the groove of the supporting block 10 to generate a resisting force on the positioning ring 7, thereby realizing the function of controlling the vertical position of the positioning ring 7, so that the adjusting screw shaft 6 allows the positioning ring 7 to be vertically fine-tuned to control the compression degree of the compression spring 8. A mounting block 11 is provided on the top of the die 3, and studs 12 are fixed on both sides of the top of the mounting block 11, and mounting openings matching the studs 12 are symmetrically provided in the middle of the push plate 2. This installation is a variable diameter structure with a wide top and a narrow bottom. The studs 12 are inserted into the mounting opening of the push plate 2 and are connected with a fixing nut 13 through a threaded structure. The mounting block 11 of this structure can be formed by extending two studs 12 into the mounting opening of the push plate 2 and fastening them with the fixing nuts 13, thereby forming a solid mechanical connection.It ensures that the die 3 will not fall off or move from the push plate 2 when subjected to a strong punching force, thereby enhancing the stability of the overall structure, and the installation and disassembly of the die 3 becomes more convenient. When the die 3 needs to be replaced or cleaned or repaired, the die 3 can be easily removed by loosening the fixing nut 13, thereby improving the flexibility and maintenance efficiency in the production process. At the same time, the mounting port design of the variable diameter structure on the push plate 2 helps to better guide the stud 12 to align the position during the assembly process and reduce assembly errors. That is, as the stud 12 goes deeper and the contact area increases, the naturally generated friction helps to resist the loosening tendency of the stud 12 caused by vibration and the like during work, thereby further enhancing the reliability of the connection and pushing the plate 2 and the die. A threaded hole is provided at the rear side of the connection of the shaft 4, and a pre-tightening bolt 14 is connected to the threaded hole at the connection between the push plate 2 and the pressure shaft 4. The pre-tightening bolt 14 of this structure can be screwed into the threaded hole at the connection between the push plate 2 and the pressure shaft 4 to tighten the pressure shaft 4. In this way, the height position of the pressure shaft 4 inserted on the push plate 2 can be easily adjusted to more accurately control the position of the pressing sleeve 5 to avoid the pressure sleeve 5 causing obstruction when the die 3 and the bottom die are closed. An annular limit block 15 is provided at the bottom end of the pressure shaft 4, and an annular limit groove distributed vertically is provided on the inner wall of the pressure sleeve 5. When the pressure sleeve 5 of this structure slides at the bottom end of the pressure shaft 4, the annular limit groove will slide along the annular limit block 15 to ensure the verticality of the pressure sleeve 5 during activity.
[0019] Working principle: When using the stamping and forming device for canning iron, firstly, the die 3 is fixedly installed on the bottom of the push plate 2 through the mounting block 11. When installing the mounting block 11, two studs 12 are inserted into the mounting opening of the push plate 2 and fastened with the fixing nut 13. When the die 3 is installed, the two adjusting screw shafts 6 are rotated first. The rotation of the adjusting screw shafts 6 on the push plate 2 will drive the pressing block 9 to move vertically. When the pressing block 9 is embedded in the embedding groove of the support block 10 during the vertical movement, it will generate a resisting force on the positioning ring 7.
[0020] Until the positioning ring 7 is subjected to the resistance pressure and is finely adjusted vertically to control the compression spring 8 to a suitable degree of compression, the cylinder of the top plate of the mold frame 1 is started, and the cylinder can push the push plate 2 downward when driven. When the push plate 2 drives the die 3 to advance toward the bottom die to apply pressure to the metal blank, the two pressing sleeves 5 will contact the bottom plate of the mold frame 1 in advance and slide along the bottom end of the pressing shaft 4. When the pressing sleeve 5 slides, it will simultaneously compress the compression spring 8 with the cooperation of the positioning ring 7. At this time, the pressing sleeve 5 can absorb part of the impact energy under the action of the compression spring 8, so as to play a buffering role in the process of the push plate 2 driving the die 3, thereby completing a series of tasks.
[0021] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A stamping device for canning tinplate, comprising a die frame (1), wherein the upper end of the die frame (1) is provided with a push plate (2) driven to rise and fall by a cylinder, a pressing die (3) is installed at the bottom of the push plate (2), and a bottom die corresponding to the position of the pressing die (3) is installed on the bottom plate of the die frame (1), characterized in that: A pressure shaft (4) is inserted on both sides of the push plate (2), a pressure sleeve (5) is provided on the outer movable sleeve of the bottom end of the pressure shaft (4), and a positioning ring (7) is provided above the pressure sleeve (5) and is movablely sleeved on the outside of the pressure shaft (4). A compression spring (8) sleeved on the outside of the pressure shaft (4) is connected between the bottom of the positioning ring (7) and the top of the pressure sleeve (5), and an adjusting screw shaft (6) for driving the positioning ring (7) to perform vertical displacement is also inserted at both ends of the push plate (2).
2. A stamping and forming device for canning tinplate according to claim 1, characterized in that: A pressing block (9) is fixed to the bottom end of the adjusting screw shaft (6), a supporting block (10) is provided on one side of the positioning ring (7), and a groove matching the structure of the supporting block (10) is provided on the top of the supporting block (10).
3. A stamping and forming device for canning tinplate according to claim 1, characterized in that: A mounting block (11) is provided on the top of the die (3), and studs (12) are fixed on both sides of the top of the mounting block (11), and a mounting opening matching the studs (12) is symmetrically provided in the middle of the push plate (2), and the studs (12) are inserted into the mounting opening of the push plate (2) and are connected to fixing nuts (13) via a threaded structure.
4. A stamping and forming device for canning tinplate according to claim 1, characterized in that: A threaded hole is provided at the rear side of the connection between the push plate (2) and the pressure shaft (4), and a pre-tightening bolt (14) is connected to the threaded hole at the connection between the push plate (2) and the pressure shaft (4).
5. A stamping and forming device for canning tinplate according to claim 1, characterized in that: An annular limiting block (15) is provided at the bottom end of the pressing shaft (4), and an annular limiting groove distributed vertically is provided on the inner wall of the pressing sleeve (5).
6. A stamping and forming device for canning tinplate according to claim 1, characterized in that: The pressing shaft (4) and the pressing sleeve (5) are provided in two groups, and the two groups of the pressing shaft (4) and the pressing sleeve (5) are symmetrically distributed on both sides of the pushing plate (2).