Plastic printing mold with pressing assisting structure

Abstract

The utility model discloses a plastic printing mould with a press-down boosting structure, which comprises a mould base, the top end of the mould base is fixedly connected with a support frame, a first hydraulic cylinder is arranged at the middle position of the top end in the support frame, and the output end of the first hydraulic cylinder is fixedly connected with a fixed plate; and an upper mold is installed at the bottom end of the fixing plate, a lower mold is placed at the top end of the mold base, discharging grooves are evenly formed in the top end of the lower mold, and a collecting box is arranged in the lower mold. According to the plastic printing mold with the pressing-down assisting structure, a fixing plate is pushed downwards through a first hydraulic cylinder, an upper mold body at the bottom of the fixing plate can move downwards to conduct printing treatment on a plastic part on a lower mold body, and in the downward moving process of the fixing plate, a limiting sliding sleeve slides on a supporting frame in a limiting mode; and a second hydraulic cylinder can carry out downward pressing assistance on the two sides of the top of the fixing plate, so that the uniformity of downward moving stamping printing force is achieved, and the problem that downward pressing force is not uniform enough is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic printing moulds, in particular to a plastic printing mould with a downward pressure assisting structure. Background Art

[0002] Plastic printing refers to the use of printing molds to print on plastic parts. The printed plastic parts are more beautiful. Plastic molds are tools that are used in the plastic processing industry to match plastic molding machines and give plastic products a complete configuration and precise size.

[0003] After searching, it is found that plastic printing is divided into various printing forms such as surface printing and stamping printing. When printing molds print on plastic parts, there is a problem of uneven printing force. For example, common printing molds mostly use a single set of hydraulic components for stamping. The stamping component is located in the middle, which affects the downward pressure on both sides. It is installed on both sides, which affects the downward pressure in the middle. Therefore, there is a problem of uneven downward pressure, which affects the quality of printing.

[0004] There is an urgent need for a plastic printing mold with a downward pressure assisting structure to solve the technical defects proposed in the above-mentioned technology. Utility Model Content

[0005] The utility model aims to provide a plastic printing mold with a downward pressure assisting structure to solve the problem of insufficient downward pressure in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plastic printing mold with a downward pressure assisting structure, comprising a mold base, the top of the mold base is fixedly connected to a support frame, a first hydraulic cylinder is installed at the middle position of the top of the support frame, the output end of the first hydraulic cylinder is fixedly connected to a fixed plate, an upper mold is installed at the bottom end of the fixed plate, a lower mold is placed on the top of the mold base, a discharge groove is evenly opened on the top of the lower mold, a collecting box is arranged inside the lower mold, limiting columns are fixedly connected to both sides of the top of the lower mold, a reserved groove is arranged inside the limiting column, a limiting pressure plate is arranged inside the reserved groove, and assisting components are arranged on both sides of the top of the fixed plate;

[0007] The power assist assembly includes a second hydraulic cylinder, the top and output end of the second hydraulic cylinder are fixedly connected with a mounting flange, the top inside the support frame and the top of the fixed plate are fixedly connected with a mounting plate, and both sides of the fixed plate are fixedly connected with limiting sleeves.

[0008] Preferably, the mounting flange is fixedly connected to the mounting plate by bolts, and the limiting sliding sleeve is slidably connected to the outside of the support frame.

[0009] Preferably, two groups of the second hydraulic cylinders are provided, and the second hydraulic cylinders are installed on both sides of the top end of the fixed plate.

[0010] Preferably, two sides of the bottom end of the fixing plate are fixedly connected with splicing slots, two sides of the upper mold are fixedly connected with splicing blocks, and one side of the splicing slot is provided with a fixing bolt.

[0011] Preferably, one side of the splicing block is embedded in the splicing slot, and one side of the fixing bolt is embedded in the splicing block.

[0012] Preferably, the bottom end of the discharge trough is connected to the top end of the collection box.

[0013] Preferably, mounting slide blocks are fixedly connected to both sides of the collecting box, mounting slide grooves are arranged on both sides inside the lower mold, and the mounting slide blocks are embedded in the mounting slide grooves in a sliding connection.

[0014] Preferably, an elastic rod is installed at the top of the reserved groove, the bottom end of the elastic rod is fixedly connected to the top of the limiting pressure plate, and one side of the reserved groove is fixedly connected to the limiting slideway.

[0015] Compared with the prior art, the beneficial effects of the utility model are: the plastic printing mold with a downward pressure assisting structure not only realizes the function of downward pressure assisting and the function of being easy to collect, but also realizes the function of being easy to disassemble and limit;

[0016] (1) By setting a limited position sleeve, a second hydraulic cylinder, a first hydraulic cylinder, a mounting plate and a mounting flange, the first hydraulic cylinder needs to be started during printing, and the first hydraulic cylinder pushes the fixed plate downward, so that the upper mold at the bottom of the fixed plate can be moved downward to print the plastic parts on the lower mold. During the downward movement of the fixed plate, the limited position sleeve slides on the upper limit of the support frame, and the second hydraulic cylinder can press down on both sides of the top of the fixed plate to assist, thereby achieving uniformity of the downward stamping printing force, thereby achieving the function of uniform printing. This structure realizes the function of facilitating uniform printing;

[0017] (2) By providing a collection box, a discharge trough, an installation slide and an installation slider, some printings need to be punched into holes, and the plastic debris generated by the punching can fall into the inside of the collection box along the discharge trough. The collection box collects the waste in a centralized manner. When cleaning, hold the handle of the collection box and pull it outward. The installation sliders on both sides of the collection box slide inside the installation slide. This structure realizes the function of facilitating centralized collection;

[0018] (3) By setting a limiting column, a splicing slot, a limiting pressure plate, a splicing block, a fixing bolt and an elastic rod, the plastic plate is placed on the top of the lower mold, and the two sides of the plastic plate can be embedded in the reserved slot of the limiting column. The limiting pressure plate and the elastic rod inside the reserved slot can limit the plastic plate by downward pressure, which is convenient for stamping. The upper mold can be replaced according to the printing requirements. When replacing, the fixing bolt can be unscrewed from the splicing slot. This structure realizes the functions of easy disassembly and limiting. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0020] Figure 2 This is a front view structural diagram of the second hydraulic cylinder of the utility model;

[0021] Figure 3 For the utility model Figure 1 The enlarged structural diagram at A in the middle;

[0022] Figure 4 It is a schematic diagram of the front cross-sectional structure of the limiting plate of the utility model.

[0023] In the figure: 1. mold base; 2. collection box; 3. lower mold; 4. limit column; 5. splicing slot; 6. limit sleeve; 7. fixed plate; 8. second hydraulic cylinder; 9. first hydraulic cylinder; 10. support frame; 11. upper mold; 12. limit pressure plate; 13. discharge chute; 14. installation slide; 15. installation slide block; 16. installation plate; 17. installation flange; 18. splicing block; 19. fixing bolt; 20. reserved slot; 21. elastic rod; 22. limit slide. DETAILED DESCRIPTION

[0024] 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.

[0025] Example 1: Please refer to Figure 1-4A plastic printing mold with a downward pressure assisting structure comprises a mold base 1, a support frame 10 is fixedly connected to the top of the mold base 1, a first hydraulic cylinder 9 is installed at the middle position of the top of the support frame 10, a fixed plate 7 is fixedly connected to the output end of the first hydraulic cylinder 9, an upper mold 11 is installed at the bottom of the fixed plate 7, a lower mold 3 is placed on the top of the mold base 1, a discharge groove 13 is evenly opened on the top of the lower mold 3, a collecting box 2 is arranged inside the lower mold 3, limiting columns 4 are fixedly connected to both sides of the top of the lower mold 3, a reserved groove 20 is arranged inside the limiting column 4, a limiting pressure plate 12 is arranged inside the reserved groove 20, and both sides of the top of the fixed plate 7 are provided with assisting components;

[0026] The booster assembly includes a second hydraulic cylinder 8, the top and output end of the second hydraulic cylinder 8 are fixedly connected with a mounting flange 17, the top of the support frame 10 and the top of the fixed plate 7 are fixedly connected with a mounting plate 16, and both sides of the fixed plate 7 are fixedly connected with limited position sleeves 6;

[0027] The mounting flange 17 is fixedly connected to the mounting plate 16 by bolts, the limiting sleeve 6 is sleeved on the outside of the support frame 10 in a sliding connection, and two groups of second hydraulic cylinders 8 are provided, and the second hydraulic cylinders 8 are installed on both sides of the top of the fixing plate 7;

[0028] Specifically, Figure 1 and Figure 2 As shown, the upper mold 11 at the bottom of the fixed plate 7 can be moved downward to print the plastic parts on the lower mold 3. During the downward movement of the fixed plate 7, the limiting sleeve 6 slides within the limit position on the support frame 10, and the second hydraulic cylinder 8 can press down on both sides of the top of the fixed plate 7 to assist, thereby achieving uniformity in the downward stamping and printing force, thereby realizing the function of uniform printing.

[0029] Embodiment 2: Both sides of the bottom end of the fixing plate 7 are fixedly connected with the splicing slots 5, and both sides of the upper mold 11 are fixedly connected with the splicing blocks 18. One side of the splicing slot 5 is provided with a fixing bolt 19. One side of the splicing block 18 is embedded in the splicing slot 5, and one side of the fixing bolt 19 is embedded in the splicing block 18.

[0030] Specifically, Figure 1 and Figure 3 As shown, the plastic debris generated by stamping can fall into the collection box 2 along the discharge chute 13. The collection box 2 collects the waste in a centralized manner. When cleaning, hold the handle of the collection box 2 and pull it outward, and the installation sliders 15 on both sides of the collection box 2 slide inside the installation slide grooves 14.

[0031] Embodiment 3: The bottom end of the discharge chute 13 is connected to the top of the collection box 2 in a through connection, the two sides of the collection box 2 are fixedly connected with mounting slide blocks 15, the two sides of the lower mold 3 are provided with mounting slide grooves 14, the mounting slide blocks 15 are embedded in the mounting slide grooves 14 in a sliding connection, the top of the reserved groove 20 is installed with an elastic rod 21, the bottom end of the elastic rod 21 is fixedly connected to the top of the limiting pressure plate 12, and one side of the reserved groove 20 is fixedly connected with a limiting slideway 22;

[0032] Specifically, Figure 1 and Figure 4 As shown, both sides of the plastic plate can be embedded in the reserved groove 20 of the limiting column 4. The limiting pressure plate 12 and the elastic rod 21 inside the reserved groove 20 can limit the plastic plate by downward pressure, which makes it convenient to perform stamping after limiting. The upper mold 11 can be replaced according to printing requirements. When replacing, just unscrew the fixing bolt 19 from the splicing slot 5.

[0033] Working principle: When the utility model is used, the plastic part needs to be placed on the lower mold 3 first, and the two sides of the plastic plate can be embedded in the reserved groove 20 of the limit column 4. The limit pressure plate 12 and the elastic rod 21 in the reserved groove 20 can limit the plastic plate by downward pressure, which is convenient for stamping. When printing, the first hydraulic cylinder 9 needs to be started, and the first hydraulic cylinder 9 pushes the fixed plate 7 downward. The upper mold 11 at the bottom of the fixed plate 7 can move downward to print the plastic part on the lower mold 3. The fixed plate 7 moves downward. During the process, the limit sleeve 6 slides within the limit position on the support frame 10, and the second hydraulic cylinder 8 can press down on both sides of the top of the fixed plate 7 to assist, so as to achieve the uniformity of the downward stamping and printing force. Some prints need to be punched into holes, and the plastic debris generated by the punching can fall into the inside of the collection box 2 along the discharge trough 13. The collection box 2 collects the waste in a centralized manner. When cleaning, hold the handle of the collection box 2 and pull it outward. The mounting slide blocks 15 on both sides of the collection box 2 slide inside the mounting slide groove 14. This structure realizes the function of facilitating centralized collection.

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A plastic printing mold with a downward pressure assisting structure, comprising a mold base (1), characterized in that: The top of the mold base (1) is fixedly connected to a support frame (10), a first hydraulic cylinder (9) is installed at the middle position of the top of the support frame (10), the output end of the first hydraulic cylinder (9) is fixedly connected to a fixed plate (7), the bottom end of the fixed plate (7) is installed with an upper mold (11), the top of the mold base (1) is placed with a lower mold (3), the top of the lower mold (3) is evenly provided with discharge grooves (13), the lower mold (3) is provided with a collecting box (2), the top of the lower mold (3) is fixedly connected to limiting columns (4) on both sides, the limiting columns (4) are provided with reserved grooves (20), the reserved grooves (20) are provided with limiting pressure plates (12), and the top of the fixed plate (7) is provided with power assist components on both sides; The power assist assembly comprises a second hydraulic cylinder (8), the top end and output end of the second hydraulic cylinder (8) are fixedly connected to a mounting flange (17), the top end inside the support frame (10) and the top end of the fixed plate (7) are fixedly connected to a mounting plate (16), and both sides of the fixed plate (7) are fixedly connected to limiting sleeves (6).

2. The plastic printing mold with a downward pressure assisting structure according to claim 1, characterized in that: The mounting flange (17) is fixedly connected to the mounting plate (16) via bolts, and the limiting sliding sleeve (6) is sleeved on the outside of the supporting frame (10) in a sliding connection.

3. The plastic printing mold with a downward pressure assisting structure according to claim 1, characterized in that: Two groups of the second hydraulic cylinders (8) are provided, and the second hydraulic cylinders (8) are installed on both sides of the top end of the fixed plate (7).

4. The plastic printing mold with a downward pressure assisting structure according to claim 1, characterized in that: Both sides of the bottom end of the fixing plate (7) are fixedly connected with splicing slots (5), both sides of the upper mold (11) are fixedly connected with splicing blocks (18), and one side of the splicing slot (5) is provided with a fixing bolt (19).

5. The plastic printing mold with a downward pressure assisting structure according to claim 4, characterized in that: One side of the splicing block (18) is embedded in the splicing slot (5), and one side of the fixing bolt (19) is embedded in the splicing block (18).

6. The plastic printing mold with a downward pressure assisting structure according to claim 1, characterized in that: The bottom end of the discharge trough (13) is connected to the top end of the collection box (2) in a through connection manner.

7. The plastic printing mold with a downward pressure assisting structure according to claim 1, characterized in that: The two sides of the collection box (2) are fixedly connected with mounting slide blocks (15), the two sides inside the lower mold (3) are provided with mounting slide grooves (14), and the mounting slide blocks (15) are embedded in the mounting slide grooves (14) in a sliding connection.

8. The plastic printing mold with a downward pressure assisting structure according to claim 1, characterized in that: An elastic rod (21) is installed at the top end of the reserved groove (20), the bottom end of the elastic rod (21) is fixedly connected to the top end of the limiting pressure plate (12), and one side of the reserved groove (20) is fixedly connected to a limiting slideway (22).

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