Die set convenient to disassemble and assemble

The combination of rotating rod and spring design enables quick disassembly of the mold frame. Combined with the oil reservoir lubrication system, it solves the problem of cumbersome mold frame disassembly, improves disassembly and assembly efficiency, and extends the service life of the guide system.

CN223655997UActive Publication Date: 2025-12-12KUNSHAN XINWANG ALL METAL PRODUCTS CO LTD
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Patent Information

Application Number
CN202423114428.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-12-12
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

The existing mold frame is cumbersome to disassemble, especially for large mold frames or when a large number of bolts and nuts need to be removed, resulting in low efficiency.

Method used

The design employs a combination of a rotating rod and a spring. By rotating the rotating rod, the slider is separated from the clamping block, enabling rapid separation of the upper and lower mold sets. Furthermore, the design of guide pillars and guide sleeves utilizes oil reservoirs to release lubricating oil and reduce friction.

Benefits of technology

It significantly simplifies the mold disassembly process, improves disassembly and assembly efficiency, extends the service life of guide pillars and guide sleeves, and reduces wear and downtime.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of mould frames, and discloses a mould frame convenient to disassemble and assemble, which comprises an upper mould frame and a lower mould frame, the front side and the rear side of the outer part of the upper mould frame are both fixedly connected with two connecting blocks I, the interiors of the two connecting blocks I are both fixedly connected with sleeve rods, the interiors of the sleeve rods are rotatably connected with rotating rods, and the rotating rods are fixedly connected with the lower mould frame. A first spring is arranged outside the rotating rod in a sleeving mode, a first limiting plate is fixedly connected to the interior of the sleeve rod, a sliding block is fixedly connected to the bottom end of the rotating rod, two second connecting blocks are fixedly connected to the front side and the rear side of the exterior of the lower die frame correspondingly, and clamped blocks are fixedly connected to the interiors of the two second connecting blocks; a sliding groove is formed in the clamped block. According to the utility model, the operation steps and the investment of manpower and material resources are greatly reduced, the original tedious and time-consuming disassembly work can be greatly simplified especially in a complex scene of a large mold frame or a large number of bolts and nuts, and the maintenance and replacement period of the mold is remarkably shortened.
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Description

Technical Field

[0001] This utility model relates to the field of mold frame technology, and in particular to a mold frame that is easy to assemble and disassemble. Background Technology

[0002] Mold frames are mainly used for die-casting metal parts, such as aluminum alloy wheel hubs, engine cylinder blocks, zinc alloy toys, etc. Their structure includes fixed mold plates, moving mold plates, etc., which are the main supporting components of the mold. They are used to fix the working parts of the mold such as the cavity and core. Guide pillars and guide sleeves play a guiding role to ensure that the moving mold and the fixed mold are accurately aligned during the mold opening and closing process, thus ensuring the accuracy and service life of the mold.

[0003] During assembly and disassembly of the mold frame, the principle of screw drive is mainly utilized through the interaction of bolts and nuts. The external thread on the bolt and the internal thread of the nut mesh with each other. When the nut is rotated, it moves along the thread axis of the bolt. When tightening, the nut moves closer to the bolt head, achieving a secure connection. When disassembling, the nut rotates in the opposite direction, moving away from the bolt head, thus loosening the connection.

[0004] In the existing technology, when some mold frames are disassembled using bolts and nuts, it is necessary to use a wrench to remove the bolts and nuts one by one. The operation process is cumbersome, especially for large mold frames or situations where a large number of bolts and nuts need to be removed, resulting in low efficiency. Therefore, a mold frame that is easy to disassemble and assemble is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a mold frame that is easy to assemble and disassemble, aiming to improve the problem that the operation process is cumbersome and inefficient when some mold frames in the prior art are disassembled with bolts and nuts.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] The easily detachable mold frame includes an upper mold frame and a lower mold frame. Two connecting blocks (I) are fixedly connected to the front and rear sides of the upper mold frame. A sleeve rod is fixedly connected inside each of the two connecting blocks (I). A rotating rod is rotatably connected inside each sleeve rod. A spring is sleeved on the outside of the rotating rod. A limit plate is fixedly connected inside the sleeve rod. A slider is fixedly connected to the bottom end of the rotating rod. Two connecting blocks (II) are fixedly connected to the front and rear sides of the lower mold frame. A retaining block is fixedly connected inside each of the two connecting blocks (II). A sliding groove is formed inside the retaining block. A mold cavity is formed inside the lower mold frame. A demolding assembly for ejection is fixedly connected to the bottom end of the lower mold frame.

[0008] As a further description of the above technical solution:

[0009] The demolding assembly comprises a cylinder, the outer part of the cylinder is fixedly connected to the inner part of the lower die holder, and the driving end of the cylinder is fixedly connected with a top plate;

[0010] As a further description of the above technical solution:

[0011] The inner top end of each of the plurality of guide sleeves is fixedly connected with an oil storage column, the inner part of the oil storage column is provided with an oil storage cavity, the inner top end of the oil storage cavity is fixedly connected with a fixed block, the inner part of the oil storage cavity is slidably connected with a triggering rod, the top end of the triggering rod is fixedly connected with a limiting plate two, the top end of the limiting plate two is fixedly connected with a spring two, and the outer bottom end of the triggering rod is fixedly connected with a sealing ring;

[0012] As a further description of the above technical solution:

[0013] The bottom end of the upper die holder is closed to the top end of the lower die holder, and the outer part of the guide column is slidably connected to the inner part of the guide sleeve;

[0014] As a further description of the above technical solution:

[0015] The outer part of the rotating rod is slidably connected to the inner part of the limiting plate one, the outer part of the sliding block is slidably connected to the inner part of the sliding groove, and the outer part of the sliding block is clamped with the bottom end of the clamped block;

[0016] As a further description of the above technical solution:

[0017] The top end of the guide column is in contact with the bottom end of the triggering rod, and the outer part of the sealing ring is slidably connected to the inner part of the oil storage cavity;

[0018] As a further description of the above technical solution:

[0019] The outer part of the limiting plate two is slidably connected to the inner part of the fixed block, and the top end of the spring two is fixedly connected to the inner top end of the fixed block;

[0020] As a further description of the above technical solution:

[0021] The outer top end of the triggering rod is slidably connected to the inner part of the fixed block, and the top end of the oil storage column is provided with two oil inlet holes.

[0022] The utility model has the advantages of the following beneficial effects:

[0023] 1. The utility model discloses a rotatable rotating rod is pressed down to rotate, and the elastic reset of cooperation spring can drive the separation of the sliding block and the clamping block, and then the disassembly of the upper die frame and the lower die frame is quickly completed, which greatly reduces the operation steps and the input of manpower and material resources, especially in the face of large die frame or a large number of bolt nut complex scene, can greatly simplify the originally tedious and time -consuming disassembly work, and the cycle of mould maintenance and replacement is shortened significantly.

[0024] 2. The utility model discloses when the guide pillar is inserted into the guide bush, will trigger the oil storage column to release lubricating oil, makes lubricating oil in time flow to the contact interface of guide pillar and guide bush, this not only greatly reduces the friction coefficient between both, reduces the wear degree, prolongs the service life of guide pillar and guide bush, reduces the downtime and cost brought by frequent replacement of components, also makes the mold opening and closing action more smooth, light. DRAWINGS

[0025] Figure 1 It is the three -dimensional schematic view of the die frame convenient to dismount of the utility model;

[0026] Figure 2 It is the upper die frame structure schematic view of the die frame convenient to dismount of the utility model;

[0027] Figure 3 It is the lower die frame structure schematic view of the die frame convenient to dismount of the utility model; Figure 2 It is the enlarged view of A in the utility model;

[0028] Figure 4 It is the lower die frame structure schematic view of the die frame convenient to dismount of the utility model;

[0029] Figure 5 It is the enlarged view of B in the utility model. Figure 2

[0030] Legend:

[0031] 1, the upper die frame; 2, the lower die frame; 3, the link block one; 4, the sleeve rod; 5, the rotating rod; 6, the spring one; 7, the limit plate one; 8, the sliding block; 9, the link block two; 10, the clamping block; 11, the sliding groove; 12, the cavity; 13, the cylinder; 14, the top plate; 15, the guide bush; 16, the guide pillar; 17, the oil storage column; 18, the oil storage cavity; 19, the fixed block; 20, the touch rod; 21, the limit plate two; 22, the spring two; 23, the sealing ring; 24, the oil inlet hole. DETAILED DESCRIPTION

[0032] ​The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0033] With reference to Figures 1 to 3 An embodiment provided by the utility model: the mold frame convenient to disassemble, including upper mold frame 1 and lower mold frame 2, upper mold frame 1 bears the pressure when closing the mold and the acting force transmitted in the process of injection molding, die casting and other processes, the bottom end of upper mold frame 1 is closed with the top end of lower mold frame 2, forming a complete mold cavity space, the outside of upper mold frame 1 is fixedly connected with two link blocks one 3 on both sides, link block one 3 provides stable structural basis for subsequent connection and dismounting operation, the inside of two link blocks one 3 is fixedly connected with sleeve rod 4, the inside of sleeve rod 4 is rotatably connected with rotating rod 5, rotating rod 5 is the key component to realize the dismounting action of mold frame, the outside of rotating rod 5 is sleeved with spring one 6, spring one 6 can play a certain buffering and resetting action in the operation process of rotating rod 5, when rotating rod 5 rotates, spring one 6 will change accordingly, and when the external force disappears, it can make rotating rod 5 restore to the initial state to a certain extent again.

[0034] The inside of sleeve rod 4 is fixedly connected with limiting plate one 7, limiting plate one 7 effectively limits the sliding range of rotating rod 5, ensuring that it can only rotate and slide according to the predetermined track in sleeve rod 4, the outside of rotating rod 5 is slidably connected in the inside of limiting plate one 7, the bottom end of rotating rod 5 is fixedly connected with sliding block 8, the outside of lower mold frame 2 is fixedly connected with two link blocks two 9 on both sides, the inside of two link blocks two 9 is fixedly connected with clamping block 10, the outside of sliding block 8 is clamped with the bottom end of clamping block 10, ensuring the connection stability of upper mold frame 1 and lower mold frame 2 when working normally, and realizing separation through specific operation when dismounting is needed, the inside of clamping block 10 is provided with sliding groove 11, the outside of sliding block 8 is slidably connected in the inside of sliding groove 11, the inside of lower mold frame 2 is provided with mold cavity 12, mold cavity 12 is the space of the shaped product, the inside bottom end of lower mold frame 2 is fixedly connected with ejection assembly for ejecting.

[0035] With reference to Figure 1 , Figure 2 , Figure 4 The ejection assembly includes cylinder 13, the outside of cylinder 13 is fixedly connected in the inside of lower mold frame 2, the driving end of cylinder 13 is fixedly connected with top plate 14, when the injection is completed, cylinder 13 is started, its driving end pushes top plate 14 to move upward, top plate 14 rises in mold cavity 12, the product shaped in mold cavity 12 is ejected, thereby realizing the ejection operation smoothly.

[0036] Referring to Figure 1 , Figure 2 , Figure 5 The inside of the upper die holder 1 is fixedly connected with a plurality of guide sleeves 15, the top end of the lower die holder 2 is fixedly connected with a plurality of guide columns 16, the outside of the guide columns 16 is slidingly connected in the inside of the guide sleeves 15, in the process of closing the mold, the guide columns 16 are inserted into the guide sleeves 15 and slide therein, prompting the upper die holder 1 and the lower die holder 2 to gradually approach until closing, the inside top end of the plurality of guide sleeves 15 is fixedly connected with an oil storage column 17, the inside of the oil storage column 17 is provided with an oil storage cavity 18 for storing lubricating oil, the inside top end of the oil storage cavity 18 is fixedly connected with a fixed block 19 for supporting the stretching and resetting of the spring two 22, the inside of the oil storage cavity 18 is slidingly connected with a trigger rod 20, the trigger rod 20 drives the limiting plate two 21 at the top end thereof to slide in the inside of the fixed block 19, thereby compressing the spring two 22, the outside top end of the trigger rod 20 is slidingly connected in the inside of the fixed block 19, the top end of the guide column 16 is in contact with the bottom end of the trigger rod 20, the top end of the trigger rod 20 is fixedly connected with the limiting plate two 21, the outside of the limiting plate two 21 is slidingly connected in the inside of the fixed block 19, the top end of the limiting plate two 21 is fixedly connected with the spring two 22, the top end of the spring two 22 is fixedly connected in the inside top end of the fixed block 19, the outside bottom end of the trigger rod 20 is fixedly connected with a sealing ring 23, when the trigger rod 20 is lifted by the guide column 16, the sealing ring 23 will also be lifted upwards, thereby causing the lubricating oil to flow out, so that the lubricating oil flows between the guide column 16 and the guide sleeve 15, playing a lubricating role, the outside of the sealing ring 23 is slidingly connected in the inside of the oil storage cavity 18, the top end of the oil storage column 17 is provided with two oil inlet holes 24 for replenishing lubricating oil at any time.

[0037] Working principle: when the mold closing operation is performed, the upper die holder 1 moves downward, the inside guide sleeves 15 and the top end guide columns 16 of the lower die holder 2 cooperate with each other, the guide columns 16 are inserted into the guide sleeves 15 and slide therein, prompting the upper die holder 1 and the lower die holder 2 to gradually approach until closing. In this process, the top end of the guide column 16 contacts the trigger rod 20 in the inside of the oil storage column 17, and pushes the trigger rod 20 to slide upwards in the oil storage cavity 18, the trigger rod 20 drives the limiting plate two 21 at the top end thereof to slide in the inside of the fixed block 19, thereby compressing the spring two 22, at the same time, the sealing ring 23 at the outside bottom end of the trigger rod 20 slides in the oil storage cavity 18, extruding the lubricating oil in the oil storage cavity 18 through the oil inlet hole 24, so that the lubricating oil flows between the guide column 16 and the guide sleeve 15, playing a lubricating role, reducing the friction therebetween.

[0038] After the injection molding is completed, the inside of the lower die holder 2 is started, the driving end of the air cylinder 13 pushes the top plate 14 to move upwards, the top plate 14 rises in the mold cavity 12, and the product formed in the mold cavity 12 is pushed out, realizing demolding.

[0039] When the upper die frame 1 and the lower die frame 2 need to be disassembled, the rotating rod 5 in the inner sleeve rod 4 of the connecting block one 3 is rotated, the rotating rod 5 slides in the limiting plate one 7 in the sleeve rod 4, the rotation of the rotating rod 5 drives the slider 8 at the bottom end to slide in the sliding groove 11 of the clamping block 10 in the connecting block two 9, so that the slider 8 is separated from the clamping with the bottom end of the clamping block 10, so that the upper die frame 1 and the lower die frame 2 can be separated, the disassembly operation is completed, and the maintenance and replacement of the mold are carried out.

[0040] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A mould frame which is easy to disassemble, comprising an upper mould frame (1) and a lower mould frame (2), characterised in that: Both exterior sides of the upper die holder (1) are fixedly connected with two connection blocks one (3), the interiors of the two connection blocks one (3) are fixedly connected with sleeve rods (4), the interiors of the sleeve rods (4) are rotatably connected with rotating rods (5), the exteriors of the rotating rods (5) are sleeved with springs one (6), the interiors of the sleeve rods (4) are fixedly connected with limiting plates one (7), the bottom ends of the rotating rods (5) are fixedly connected with sliding blocks (8), both exterior sides of the lower die holder (2) are fixedly connected with two connection blocks two (9), the interiors of the two connection blocks two (9) are fixedly connected with clamped blocks (10), the interiors of the clamped blocks (10) are provided with sliding grooves (11), the interiors of the lower die holder (2) are provided with die cavities (12), and the interiors of the bottom ends of the lower die holder (2) are fixedly connected with demolding assemblies for ejection.

2. The readily disassembled pattern frame of claim 1 wherein: The demolding assembly comprises a gas cylinder (13), and the exterior of the gas cylinder (13) is fixedly connected to the interior of the lower die holder (2), and the driving end of the gas cylinder (13) is fixedly connected with a top plate (14).

3. The readily disassemblable mold frame of claim 1 wherein: The interior of the upper die holder (1) is fixedly connected with a plurality of guide sleeves (15), the top end of the lower die holder (2) is fixedly connected with a plurality of guide columns (16), the interiors of the top ends of the plurality of guide sleeves (15) are fixedly connected with oil storage columns (17), the interiors of the oil storage columns (17) are provided with oil storage cavities (18), the interiors of the top ends of the oil storage cavities (18) are fixedly connected with fixed blocks (19), the interiors of the oil storage cavities (18) are slidably connected with triggering rods (20), the top ends of the triggering rods (20) are fixedly connected with limiting plates two (21), the top ends of the limiting plates two (21) are fixedly connected with springs two (22), and the exterior bottom ends of the triggering rods (20) are fixedly connected with sealing rings (23).

4. The readily disassembled pattern frame of claim 3 wherein: The bottom end of the upper die holder (1) is closed to the top end of the lower die holder (2), and the exterior of the guide column (16) is slidably connected in the interior of the guide sleeve (15).

5. The readily disassemblable pattern according to claim 1, wherein: The exterior of the rotating rod (5) is slidably connected in the interior of the limiting plate one (7), the exterior of the sliding block (8) is slidably connected in the interior of the sliding groove (11), and the exterior of the sliding block (8) is clamped with the bottom end of the clamped block (10).

6. The readily disassemblable formwork according to claim 3, wherein: The top end of the guide column (16) is in contact with the bottom end of the triggering rod (20), and the exterior of the sealing ring (23) is slidably connected in the interior of the oil storage cavity (18).

7. The readily disassemblable formwork according to claim 3, wherein: The exterior of the limiting plate two (21) is slidably connected in the interior of the fixed block (19), and the top end of the spring two (22) is fixedly connected in the interior top end of the fixed block (19).

8. The readily disassembled pattern frame of claim 3 wherein: The exterior top end of the triggering rod (20) is slidably connected in the interior of the fixed block (19), and the top end of the oil storage column (17) is provided with two oil inlet holes (24).