Double-waterway male die assembly of capping machine

Abstract

The utility model relates to the technical field of capping machines, in particular to a double-waterway male die assembly of a capping machine, which comprises a demoulding sleeve outer cover, one end of the demoulding sleeve outer cover is matched and butted with an upper die mounting seat structure, a demoulding sleeve is arranged in the demoulding sleeve outer cover, and the end part of the demoulding sleeve is matched and butted with a cavity assembly. An inner plug rod outer sleeve fixing piece is arranged in the middle of the upper die installation base structure, a center cooling pipeline assembly is arranged in the middle of the inner plug rod outer sleeve fixing piece, and an outer cooling pipeline assembly is arranged on the outer side of a center cooling pipeline. The cooling water flow and the water pressure are more stable, rapid and uniform cooling of the male die assembly is achieved, the cooling efficiency is remarkably improved, compared with a traditional single-waterway system, the strip-shaped water grooves are formed in the outer side of the thread sleeve inner part at equal intervals, cooling water flow distribution is more uniform, instant product cooling can be achieved, and the production efficiency is effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of capping machine technology, specifically to a dual-water-channel punch assembly for a capping machine. Background Technology

[0002] In the molding process of a capping machine, the punch assembly is a core component, and the design of its cooling system directly affects the molding quality and production efficiency of products such as container caps.

[0003] In existing technologies, capping machines typically employ a single-channel cooling system to cool the punch assembly during production to ensure product molding quality and mold lifespan. However, traditional single-channel cooling methods suffer from low cooling efficiency, unstable water pressure, and uneven cooling, resulting in longer product molding times, difficulty in improving production efficiency, and a tendency to affect product quality and increase mold wear due to localized overheating, thereby impacting overall production efficiency.

[0004] Therefore, a dual-water-channel punch assembly for a capping machine is needed to improve the above-mentioned problems. Utility Model Content

[0005] The purpose of this invention is to provide a dual-water-channel punch assembly for a capping machine to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A dual-water-channel punch assembly for a capping machine includes a demolding sleeve cover. One end of the demolding sleeve cover is fitted with an upper die mounting base structure. A demolding sleeve is disposed inside the demolding sleeve cover. A cavity assembly is fitted at the end of the demolding sleeve. An inner plug rod outer sleeve fixing member is disposed in the middle of the upper die mounting base structure. A central cooling pipe assembly is disposed in the middle of the inner plug rod outer sleeve fixing member. An outer cooling pipe assembly is disposed outside the central cooling pipe assembly. The outer cooling pipe assembly adopts a dual-inlet pipe design. A positioning post is disposed between the outer cooling pipe assembly and the demolding sleeve cover.

[0008] As a preferred embodiment of this utility model, the inner plug rod outer sleeve fixing member has a water inlet pipe that runs through it, and a water outlet pipe is provided on one side of the water inlet pipe. The water outlet pipe is perpendicular to the water inlet pipe, and a central water inlet pipe is connected to the end of the water inlet pipe. A central water outlet pipe is connected to the outer end of the water outlet pipe.

[0009] As a preferred embodiment of this utility model, the central cooling pipe assembly includes an inner plug rod that mates with the end of the inner plug rod outer sleeve fixing member. One end of the inner plug rod mates with the cavity assembly. The inner plug rod has an inner cavity, and a water nozzle core tube is provided inside the inner cavity. The end of the water nozzle core tube is inserted into the water inlet pipe inside the inner plug rod outer sleeve fixing member.

[0010] As a preferred embodiment of this utility model, the external cooling pipe assembly includes a water inlet pipe fitting disposed within a positioning column. The water inlet pipe fitting has a dual water inlet and outlet structure. A threaded sleeve is fitted to the end of the water inlet pipe fitting. A threaded sleeve inner part is disposed inside the threaded sleeve. The threaded sleeve inner part is screwed into the water inlet pipe fitting, and a water inlet gap is left between the end of the water inlet pipe fitting and the threaded sleeve inner part.

[0011] As a preferred embodiment of this utility model, the dual water inlet and outlet structure includes two water inlet channels and one water outlet channel. The water outlet channel is located between the two water inlet channels. Each water inlet channel is connected to an external water inlet pipe at its end, and the water outlet channel is connected to an external water outlet pipe at its end. The end of the water inlet pipe is provided with several water troughs corresponding to the number of water inlet channels and water outlet channels. Each water trough is connected to the interior of the water inlet channel and the water outlet channel respectively.

[0012] As a preferred embodiment of this utility model, one end of the threaded sleeve inner part is connected to a threaded end that mates with the water inlet pipe, and the other end of the threaded sleeve inner part is fixedly connected to a connecting end. Strip-shaped water grooves are provided at equal intervals on the outer sides of the threaded sleeve inner part and the connecting end for cooling water to flow.

[0013] As a preferred embodiment of this utility model, a pointed sleeve is provided on the outer side of the threaded sleeve, a ball sleeve is provided between the pointed sleeve and the demolding sleeve, a spring washer is provided at the end of the demolding sleeve, a demolding sleeve spring is provided between the spring washer and the convex end of the positioning post, an inner groove is provided at the end of the positioning post, and a threaded sleeve spring is provided between the inner groove and the outer convex ring of the water inlet pipe.

[0014] As a preferred embodiment of this utility model, the upper mold mounting base structure includes an upper mold mounting base, one end of which is connected to a lower mold mounting base, and the upper mold mounting base and the lower mold mounting base are provided with a mounting groove for limiting the installation of the inner plug rod outer sleeve fixing component.

[0015] As a preferred embodiment of this utility model, the cavity assembly includes a cavity base, a cavity pressure cap is connected to the outer side of one end of the cavity base, the cavity pressure cap is connected to the cavity at the end, the cavity is located inside the cavity base, and a water-proof sheet is provided between the end of the cavity and the inner side of the end of the cavity base.

[0016] As a preferred embodiment of this utility model, the end of the demolding sleeve away from the cavity pressure cap is provided with a groove, and a water inlet hole is provided in the groove. The cavity base is provided with a plurality of water outlet holes on the contact surface with the water-blocking plate. The water-blocking plate is provided with an inner groove in the middle. The water-blocking plate and the cavity base are provided with a plurality of slots a at equal intervals on the contact surface of the water-blocking plate and the cavity base. The cavity and the bottom interface of the water-blocking plate are provided with slots b at equal intervals. Water enters the cavity base through the water inlet hole, the inner groove, and the slot b in sequence to cool the cavity base. The cooling water is discharged through the water outlet hole, the slot a, and the drain hole on the side of the water inlet hole.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] The water inlet pipe of this utility model adopts a dual water circuit structure. With the design of two inlets and one outlet, the cooling water flow and water pressure are more stable, realizing rapid and uniform cooling of the punch assembly and significantly improving the cooling efficiency. Compared with the traditional single water circuit system, the threaded sleeve inner part is provided with strip water grooves at equal intervals on the outer side, which distributes the cooling water flow more evenly and can realize instant cooling of the product, effectively improving production efficiency. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0020] Figure 2 This is an exploded view of the present invention;

[0021] Figure 3 This is the front view of the present invention;

[0022] Figure 4 This utility model Figure 3 Cross-sectional view at point AA;

[0023] Figure 5 This is a side view of the present invention;

[0024] Figure 6 This utility model Figure 5 Cross-sectional view at point BB;

[0025] Figure 7 This utility model Figure 5 Cross-sectional view at point CC;

[0026] Figure 8 This is a schematic diagram of the internal structure of the threaded sleeve in this utility model;

[0027] Figure 9 This is a schematic diagram of the structure of the water separator in this utility model;

[0028] Figure 10 This is a schematic diagram of the cavity structure in this utility model.

[0029] In the diagram: 1. Upper mold mounting seat; 2. Lower upper mold mounting seat; 3. Inner plug rod outer sleeve fixing piece; 4. Central water inlet pipe; 5. Central water outlet pipe; 6. Outer water inlet pipe; 7. Outer water outlet pipe; 8. Demolding sleeve outer cover; 9. Air blowing hole; 10. Demolding sleeve; 11. Demolding sleeve fixing piece; 12. Cavity pressure cap; 13. Cavity base; 14. Water inlet pipe fitting; 15. Threaded sleeve spring; 16. Water nozzle core pipe; 17. Threaded sleeve; 18. Inner plug rod; 19. Threaded sleeve inner part; 20. Cavity; 21. Water separator; 22. Demolding sleeve spring; 23. Water outlet channel; 24. Water inlet channel; 25. Inner cavity; 26. Water trough; 27. Strip water trough; 28. Connecting end; 29. ​​Threaded end; 30. Inner groove; 31. Slot a; 32. Slot b; 33. Positioning post. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0031] To facilitate understanding of this utility model, a more comprehensive description of it will be provided below with reference to relevant embodiments. Several embodiments of this utility model are given. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of this utility model will be more thorough and complete.

[0032] It should be noted that when a component is said to be "fixed to" another component, it can be directly on the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0033] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0034] Please see Figure 1-10 This utility model provides a technical solution:

[0035] For an example, please refer to... Figure 1 , 23, 4, 5, 6, and 7, a dual-water-path punch assembly for a capping machine, including a demolding sleeve cover 8, one end of which is fitted with an upper mold mounting base structure, the upper mold mounting base structure including an upper mold mounting seat 1, one end of which is connected to an upper mold mounting lower seat 2, the upper mold mounting seat 1 and the upper mold mounting lower seat 2 having a mounting groove in the middle for limiting the installation of an inner plug rod outer sleeve fixing member 3, a demolding sleeve 10 being provided inside the demolding sleeve cover 8, a cavity assembly being fitted at the end of the demolding sleeve 10, an inner plug rod outer sleeve fixing member 3 being provided in the middle of the upper mold mounting base structure, a central cooling pipe assembly being provided in the middle of the inner plug rod outer sleeve fixing member 3, an outer cooling pipe assembly being provided outside the central cooling pipe, the outer cooling pipe assembly adopting a dual-inlet water pipe design, and a positioning post 33 being provided between the outer cooling pipe assembly and the demolding sleeve cover 8.

[0036] The outer casing 8 of the demolding sleeve serves as the outer structure of the entire punch assembly, providing protection, positioning, and support. One end of it is connected to the upper mold mounting base structure, and the demolding sleeve 10 is installed inside to facilitate demolding operations. The upper mold mounting base structure is used to install and fix the inner plug rod outer sleeve fixing part 3, providing a stable mounting foundation. It consists of an upper mold mounting seat 1 and an upper mold mounting seat 2, with a mounting groove in the middle for limiting the installation of the inner plug rod outer sleeve fixing part 3. The inner plug rod outer sleeve fixing part 3 carries the inner plug rod 18 and the central cooling pipe assembly, providing a flow path for cooling water. A positioning post 33 is provided between the outer cooling pipe assembly and the outer casing 8 of the demolding sleeve, and the copper drum positioning post 33 maintains the stability of the structural connection.

[0037] Please refer to Figure 1 , 2 3, 4, and 6, the inner plug rod outer sleeve fixing member 3 has a water inlet pipe that runs through it. A water outlet pipe is provided on one side of the water inlet pipe. The water outlet pipe is perpendicular to the water inlet pipe. The end of the water inlet pipe is connected to the central water inlet pipe 4. The outer end of the water outlet pipe is connected to the central water outlet pipe 5. The central cooling pipe assembly includes an inner plug rod 18 that is engaged with the end of the inner plug rod outer sleeve fixing member 3. One end of the inner plug rod 18 is engaged with the cavity assembly. The inner plug rod 18 has an inner cavity 25. A water nozzle core tube 16 is provided in the inner cavity 25. The end of the water nozzle core tube 16 is engaged with the water inlet pipe inside the inner plug rod outer sleeve fixing member 3.

[0038] The central water inlet pipe 4 is connected to external cooling water, which enters the water nozzle core tube 16 through the water inlet pipe and enters the inner cavity 25 to cool the bottom of the product. After cooling, the water is discharged through the inner cavity 25 and the central water outlet pipe 5.

[0039] Please refer to Figure 2 , 46 and 7, the external cooling piping assembly includes a water inlet pipe 14 disposed within the positioning post 33. The water inlet pipe 14 has a dual water inlet and outlet structure. A threaded sleeve 17 is fitted to the end of the water inlet pipe 14. A threaded sleeve inner part 19 is disposed inside the threaded sleeve 17. The threaded sleeve inner part 19 is screwed into the water inlet pipe 14, and a water inlet gap is left between the end of the water inlet pipe 14 and the threaded sleeve inner part 19. One end of the threaded sleeve inner part 19 is connected to a threaded end 29 that is screwed into the water inlet pipe 14, and the other end of the threaded sleeve inner part 19 is fixedly connected to a connecting end 28. The inner part of the dental brace 19 and the outer side of the connecting end 28 are provided with strip-shaped water grooves 27 at equal intervals for cooling water to flow. The dual water inlet and outlet structure includes two water inlet channels 24 and one water outlet channel 23. The water outlet channel 23 is located between the two water inlet channels 24. The end of each water inlet channel 24 is connected to an external water inlet pipe 6, and the end of the water outlet channel 23 is connected to an external water outlet pipe 7. The end of the water inlet pipe 14 is provided with several water grooves 26 corresponding to the number of water inlet channels 24 and water outlet channels 23. Each water groove 26 is connected to the inside of the water inlet channel 24 and the water outlet channel 23 respectively.

[0040] The water inlet fitting 14 is located inside the positioning post 33 and has a dual water inlet and outlet structure, including two water inlet channels 24 and one water outlet channel 23. The two water inlet channels are respectively connected to the external water inlet pipe 6, and the water outlet channel 23 is connected to the external water outlet pipe 7, realizing a dual-inlet and one-outlet cooling structure. The threaded sleeve 17 is used to connect the water inlet fitting 14 to the external water inlet pipe, providing sealing and adjustment functions. The inner part of the threaded sleeve 19 is screwed to the water inlet fitting 14 and has a strip-shaped water groove 27 inside for the flow of cooling water. The water inlet gap is left between the inner part of the threaded sleeve 19 and the water inlet fitting 14 to ensure smooth flow of cooling water.

[0041] Please refer to Figure 4 and 6 A pointed sleeve is provided on the outer side of the threaded sleeve 17. A ball sleeve is provided between the pointed sleeve and the demolding sleeve 10. A spring washer is provided at the end of the demolding sleeve 10. A demolding sleeve spring 22 is provided between the spring washer and the protruding end of the positioning post 33. An inner groove is provided at the end of the positioning post 33. A threaded sleeve spring 15 is provided between the inner groove and the outer protruding ring of the water inlet pipe fitting 14.

[0042] Please refer to Figure 1 , 2 3, 5, 6, 7, 8, 9 and 10, the cavity assembly includes a cavity base 13, a cavity pressure cap 12 is connected to the outer side of one end of the cavity base 13, a cavity 20 is connected to the end of the cavity pressure cap 12, the cavity 20 is located inside the cavity base 13, a water-proof plate 21 is provided between the end of the cavity 20 and the inner side of the end of the cavity base 13, a groove is provided at the end of the demolding sleeve 10 away from the cavity pressure cap 12, a water inlet hole is provided in the groove, and a number of water outlet holes are provided on the contact surface between the cavity base 13 and the water-proof plate 21.

[0043] The water-blocking plate 21 has an inner groove 30 in the middle. The water-blocking plate 21 and the cavity base 13 have a number of slots a31 at equal intervals on their contact surfaces. The cavity 20 and the bottom interface of the water-blocking plate 21 have slots b32 at equal intervals. Water enters the cavity base 13 through the water inlet hole, the inner groove 30 and the slots b32 in sequence to cool the interior of the cavity base 13. The cooling water is discharged through the water outlet hole, the slots a31 and the drain hole on the side of the water inlet hole.

[0044] The cavity base 13 serves as the basic structure of the cavity assembly, with a cavity 20 inside. The cavity cap 12 is used to fix the cavity 20 and prevent it from shifting during the molding process. The cavity 20 is used to mold the main body of the product and cooperates with the inner plug rod 18. The water baffle 21 is set between the cavity base 13 and the cavity 20 to guide the flow of cooling water. The inner groove 30, slot a31, and slot b32 are used to guide the flow of cooling water, forming a complete cooling water circulation path. The water inlet and outlet are used for the entry and exit of cooling water and cooperate with the structure of the water baffle 21 to achieve uniform cooling.

[0045] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A double-water-channel punch assembly for a capping machine, comprising a demolding sleeve cover (8), one end of which is fitted with an upper mold mounting base structure, a demolding sleeve (10) is provided inside the demolding sleeve cover (8), a cavity assembly is fitted at the end of the demolding sleeve (10), and an inner plug rod outer sleeve fixing member (3) is provided in the middle of the upper mold mounting base structure, characterized in that: A central cooling pipe assembly is provided in the middle of the inner plug rod outer sleeve fixing part (3), and an outer cooling pipe assembly is provided on the outside of the central cooling pipe. The outer cooling pipe assembly adopts a double water inlet pipe design, and a positioning post (33) is provided between the outer cooling pipe assembly and the demolding sleeve outer cover (8).

2. The dual-water-channel punch assembly of the capping machine according to claim 1, characterized in that: The inner plug rod outer sleeve fixing member (3) has a water inlet pipe through it. A water outlet pipe is provided on one side of the water inlet pipe. The water outlet pipe is perpendicular to the water inlet pipe. The end of the water inlet pipe is connected to a central water inlet pipe (4). The outer end of the water outlet pipe is connected to a central water outlet pipe (5).

3. The dual-water-channel punch assembly of the capping machine according to claim 2, characterized in that: The central cooling pipeline assembly includes an inner plug rod (18) that mates with the end of the inner plug rod outer sleeve fixing member (3). One end of the inner plug rod (18) mates with the cavity assembly. The inner plug rod (18) has an inner cavity (25). A water nozzle core tube (16) is provided in the inner cavity (25). The end of the water nozzle core tube (16) is inserted into the water inlet pipeline inside the inner plug rod outer sleeve fixing member (3).

4. The dual-water-channel punch assembly of the capping machine according to claim 3, characterized in that: The external cooling pipe assembly includes a water inlet pipe (14) installed in the positioning column (33). The water inlet pipe (14) has a dual water inlet and outlet structure. The end of the water inlet pipe (14) is connected to a threaded sleeve (17). The inside of the threaded sleeve (17) is provided with a threaded sleeve inner part (19). The threaded sleeve inner part (19) is screwed to the water inlet pipe (14), and a water inlet gap is left between the end of the water inlet pipe (14) and the threaded sleeve inner part (19).

5. The dual-water-channel punch assembly of the capping machine according to claim 4, characterized in that: The dual-water-path inlet and outlet structure includes two inlet channels (24) and one outlet channel (23). The outlet channel (23) is located between the two inlet channels (24). Each inlet channel (24) is connected to an external inlet pipe (6) at its end. The outlet channel (23) is connected to an external outlet pipe (7) at its end. The end of the inlet pipe fitting (14) is provided with several water tanks (26) corresponding to the number of inlet channels (24) and outlet channels (23). Each water tank (26) is connected to the interior of the inlet channel (24) and the outlet channel (23).

6. The dual-water-channel punch assembly of the capping machine according to claim 5, characterized in that: One end of the threaded sleeve inner part (19) is connected to a threaded end (29) that is screwed into the water inlet pipe (14), and the other end of the threaded sleeve inner part (19) is fixedly connected to a connecting end (28). The outer sides of the threaded sleeve inner part (19) and the connecting end (28) are provided with strip-shaped water grooves (27) at equal intervals for cooling water to flow.

7. The dual-water-channel punch assembly of the capping machine according to claim 6, characterized in that: The outer side of the threaded sleeve (17) is provided with a pointed sleeve, and a ball sleeve is provided between the pointed sleeve and the demolding sleeve (10). A spring washer is provided at the end of the demolding sleeve (10), and a demolding sleeve spring (22) is provided between the spring washer and the protruding end of the positioning post (33). An inner groove is provided at the end of the positioning post (33), and a threaded sleeve spring (15) is provided between the inner groove and the outer protruding ring of the water inlet pipe fitting (14).

8. The dual-water-channel punch assembly of the capping machine according to any one of claims 1-7, characterized in that: The upper mold mounting base structure includes an upper mold mounting base (1), one end of which is connected to an upper mold mounting base (2). The upper mold mounting base (1) and the upper mold mounting base (2) are provided with a mounting groove for limiting the installation of the inner plug rod outer sleeve fixing piece (3).

9. The dual-water-channel punch assembly of the capping machine according to claim 8, characterized in that: The cavity assembly includes a cavity base (13), a cavity pressure cap (12) is connected to the outer side of one end of the cavity base (13), and a cavity (20) is connected to the end of the cavity pressure cap (12). The cavity (20) is located inside the cavity base (13), and a water-proof plate (21) is provided between the end of the cavity (20) and the inner side of the end of the cavity base (13).

10. The dual-water-channel punch assembly of the capping machine according to claim 9, characterized in that: The demolding sleeve (10) has a groove at the end away from the cavity pressure cap (12), and a water inlet is provided in the groove. The cavity base (13) has several water outlets on the contact surface with the water-blocking plate (21). The water-blocking plate (21) has an inner groove (30) in the middle. The water-blocking plate (21) and the cavity base (13) have several slots a (31) at equal intervals on their contact surfaces. The cavity (20) and the bottom interface of the water-blocking plate (21) have slots b (32) at equal intervals. Water enters the cavity base (13) through the water inlet hole, the inner groove (30), and the slots b (32) in sequence to cool the inside of the cavity base (13). The cooling water is discharged through the water outlet hole, the slots a (31), and the drain hole on the side of the water inlet hole.

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