Corrosion-resistant die steel

By adopting a detachable fixing plate and intermediate plate with a hollow structure, the problems of inconvenient assembly and high maintenance costs of existing injection molds are solved, and more efficient assembly and lower maintenance costs are achieved.

CN222571464UActive Publication Date: 2025-03-07SUZHOU JUCHENG MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202421355412.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-14
Publication Date
2025-03-07
Estimated Expiration
2034-06-14

AI Technical Summary

Technical Problem

In the existing injection molds, due to the large mass of the fixing plate and the intermediate plate, it is inconvenient to assemble and high maintenance costs.

Method used

The fixing plate and intermediate plate with hollow structure are adopted, and an anti-corrosion coating is installed on it. The fixing plate and intermediate plate are removable for easy assembly and maintenance.

Benefits of technology

It reduces the quality of the fixed plate and the intermediate plate, improves the convenience of assembly, reduces maintenance costs, and extends the service life of the mold.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses corrosion-resistant die steel which comprises a fixed die and a movable die, a fixed plate and a middle plate are arranged on the side, away from the fixed die, of the movable die, the fixed plate is parallel to the movable die, and the middle plate is arranged in a gap between the fixed plate and the movable die. A demolding mechanism is arranged between the two sets of middle plates; the fixed plate is of a detachable rectangular frame structure, the middle plate is of a detachable frame structure, and the fixed plate, the middle plate, the movable mold and the fixed mold are each provided with an anti-corrosion coating. The fixing plate and the middle plate which are of hollow structures are arranged, so that the mass of the fixing plate and the mass of the middle plate are reduced, convenience is provided for workers to move the fixing plate and the middle plate to assemble a die, and the current situation that the fixing plate and the middle plate are made of whole die steel, large in mass and not beneficial to die assembly is changed.
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Description

Technical Field

[0001] The utility model relates to the field of molds, in particular to a corrosion-resistant mold steel. Background Art

[0002] The mold is assembled from multiple pieces of mold steel, that is, the mold steel is processed into a certain shape according to the size and structure of the mold, and then multiple pieces of mold steel are connected to form the mold through bolts.

[0003] At present, there are many types of injection molds on the market, such as an injection mold disclosed in a Chinese patent with patent publication number CN218366160U, which includes: a first template assembly and a second template assembly, the first template assembly having a first mold core; the second template assembly having a second mold core, the first mold core and the second mold core define a cavity for molding an injection molded part, the second mold core is located on the inner side of the first mold core, wherein the second mold core is retractably arranged inwardly.

[0004] The injection mold provided by the above patent, as well as other injection molds, include a movable mold and a fixed mold. Generally, the fixed mold is fixedly installed on the injection molding equipment, and the movable mold is movably installed. In order to achieve demolding, a demolding mechanism needs to be provided on the movable mold body, and the demolding mechanism needs to be movable and stably installed. This requires that sufficient space be provided on the side of the movable mold body away from the other mold body to accommodate the demolding mechanism. In order to form a space to accommodate the demolding mechanism, multiple pieces of mold steel need to be provided on the side of the movable mold body, and the size and mass of each piece of mold steel are relatively large, which makes it inconvenient for the staff to move and complete the assembly of the mold, and increases the mass of the mold. Utility Model Content

[0005] The utility model aims to provide a corrosion-resistant mold steel, aiming to improve the problem that the quality of the mold composed of the mold steel is relatively large.

[0006] The utility model is implemented as follows: a corrosion-resistant mold steel comprises a fixed mold and a movable mold, a fixed plate and an intermediate plate are arranged on the side of the movable mold away from the fixed mold, the fixed plate is arranged parallel to the movable mold, the intermediate plate is arranged in the gap between the fixed plate and the movable mold, and a demoulding mechanism is arranged between the two sets of intermediate plates; the fixed plate is arranged as a detachable rectangular frame structure, the intermediate plate is arranged as a detachable frame structure, and anti-corrosion coatings are arranged on the fixed plate, the intermediate plate, the movable mold and the fixed mold.

[0007] Preferably, the fixing plate comprises two first plates and two second plates, the two second plates are arranged in parallel, the two first plates are arranged in parallel and detachably between the two second plates, and a connecting screw is connected to the two first plates.

[0008] Preferably, the ends of the two second plates close to each other on the side surfaces are both provided with snap grooves, and the end of the first plate is fixedly provided with a snap plate, which is located in the snap groove.

[0009] Preferably, countersunk holes are provided on both first plates, and the two countersunk holes have different shapes at one end away from each other, and the end of the connecting screw and the nut are respectively provided in the two countersunk holes.

[0010] Preferably, the middle plate includes two end plates, two connecting rods and a plurality of connecting plates, the two end plates are arranged in parallel, the plurality of connecting plates are arranged in parallel between the two end plates, and the ends of the two connecting plates are respectively inserted into the two end plates.

[0011] Preferably, a plurality of slots are provided on the sides of the two end plates that are close to each other, and plug posts are provided at the ends of the connecting plates, and the plug posts are inserted into the slots.

[0012] Preferably, a polygonal column is provided in the middle of the connecting rod, and threads are provided at both ends, and the threaded end of the connecting rod is threadedly inserted into the threaded hole of the end plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model sets a fixed plate and an intermediate plate of a hollow structure, thereby reducing the mass of the fixed plate and the intermediate plate, providing convenience for workers to move the fixed plate and the intermediate plate to assemble the mold, and changing the current situation that the fixed plate and the intermediate plate are set by a whole piece of mold steel with a large mass and are not conducive to mold assembly.

[0015] 2. The utility model is provided with a detachable fixed plate and an intermediate plate, and the parts can be disassembled and replaced according to the needs, changing the current situation that the fixed plate and the intermediate plate need to be replaced as a whole due to partial damage, thereby reducing the mold maintenance cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of an embodiment of the utility model;

[0017] Figure 2 It is a three-dimensional structural schematic diagram of the fixing plate of the utility model;

[0018] Figure 3 It is a three-dimensional structural schematic diagram of the first plate body of the utility model;

[0019] Figure 4 It is a three-dimensional structural schematic diagram of the intermediate plate of the utility model;

[0020] Figure 5 It is a three-dimensional structural schematic diagram of the end plate of the utility model;

[0021] Figure 6 It is a three-dimensional structural diagram of the connecting plate of the utility model;

[0022] Figure 7 It is a three-dimensional structural schematic diagram of the connecting rod of the utility model.

[0023] In the figure: 1. fixed mold; 2. movable mold; 3. middle plate; 31. end plate; 32. connecting plate; 33. connecting rod; 34. slot; 35. threaded hole; 36. plug column; 37. polygonal column; 38. thread; 4. fixed plate; 41. first plate body; 42. second plate body; 43. snap groove; 44. snap plate; 45. countersunk hole; 46. connecting screw. DETAILED DESCRIPTION

[0024] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] The following is a further description with reference to the accompanying drawings and specific embodiments:

[0026] Example 1

[0027] like Figure 1 As shown, a corrosion-resistant mold steel includes a fixed mold 1, a movable mold 2 and a demolding mechanism, wherein the demolding mechanism includes a movable body, a push pin arranged on one side of the movable body and a telescopic cylinder on the other side, the movable plate is arranged parallel to the movable mold 2, the push pin penetrates the movable mold 2 and extends into the mold cavity of the movable mold 2, so that under the action of the telescopic cylinder, the push pin is driven to move to force the product located in the movable mold 2 to move, thereby realizing demolding.

[0028] like Figure 1 As shown, in order to protect the demoulding mechanism from being stably installed and working, a fixed plate 4 and an intermediate plate 3 are provided on the side of the mobile mold 2 away from the fixed mold 1. Both the fixed plate 4 and the intermediate plate 3 are provided as detachable hollow structures, so that the mass of the fixed plate 4 and the intermediate plate 3 can be reduced, and it is avoided that the fixed plate 4 and the intermediate plate 3 are heavy, which is not conducive to the staff to move and assemble. At the same time, the demoulding mechanism is located between the two sets of intermediate plates 3. In order to extend the service life of the mold, an anti-corrosion coating is provided on the outer side of the fixed mold 1, the mobile mold 2, the demoulding mechanism, the fixed plate 4 and the intermediate plate 3. The anti-corrosion coating can be set as an epoxy anti-corrosion coating, a scale anti-corrosion coating, an epoxy polyester mixed type, and an outdoor pure polyester.

[0029] like Figure 2As shown, in order to realize the detachable installation of the fixed plate 4, the fixed plate 4 includes two first plates 41 and two second plates 42, the two second plates 42 are arranged in parallel, and the ends of the two second plates 42 close to each other are provided with snap grooves 43, one end of the snap grooves 43 is set as an opening, the two first plates 41 are arranged in parallel between the two second plates 42, and the ends of the first plates 41 are fixedly provided with snap plates 44, the snap plates 44 are located in the snap grooves 43, and the two first plates 41 are connected with connecting screws 46. The first plate 41 and the two second plates 42 are arranged to be assembled into a rectangular structure with a hollow structure, which changes the current situation that the fixed plate 4 is arranged as a whole piece of mold steel, reduces the quality of the fixed plate 4, and facilitates the staff to move and assemble. Because the first plate 41 and the second plate 42 are detachably connected, when a plate is damaged, it can be easily replaced, avoiding the replacement of the whole plate 4 due to partial damage to the fixed plate 4, and reducing the cost of mold maintenance.

[0030] like Figure 4 , Figure 5 , Figure 6 As shown, in order to realize the detachable setting of the middle plate 3, the middle plate 3 includes two end plates 31, two connecting rods 33 and multiple connecting plates 32. The two end plates 31 are arranged in parallel, and multiple slots 34 are arranged on the sides of the two end plates 31 close to each other. The multiple connecting plates 32 are arranged in parallel between the two end plates 31. The ends of the connecting plates 32 are provided with plugs 36, and the plugs 36 are inserted into the slots 34. The ends of the two connecting rods 33 are respectively inserted into the two end plates 31. With the cooperation of the plugs 36 and the slots 34, the connecting plates 32 can be stably placed relative to the end plates 31, and at the same time, it is convenient to replace the connecting plates 32 or adjust the number of the connecting plates 32 according to needs. Under the action of the connecting rod 33, the two end plates 31 can be forced to approach each other, thereby clamping the connecting plates 32 to be stably placed relative to the end plates 31, and at the same time, it is convenient to adjust the number of the connecting plates 32 according to needs.

[0031] Example 2

[0032] like Figure 1 As shown, a corrosion-resistant mold steel includes a fixed mold 1, a movable mold 2 and a demolding mechanism, wherein the demolding mechanism includes a movable body, a push pin arranged on one side of the movable body and a telescopic cylinder on the other side, the movable plate is arranged parallel to the movable mold 2, the push pin penetrates the movable mold 2 and extends into the mold cavity of the movable mold 2, so that under the action of the telescopic cylinder, the push pin is driven to move to force the product located in the movable mold 2 to move, thereby realizing demolding.

[0033] like Figure 1As shown, in order to protect the demoulding mechanism from being stably installed and working, a fixed plate 4 and an intermediate plate 3 are provided on the side of the mobile mold 2 away from the fixed mold 1. Both the fixed plate 4 and the intermediate plate 3 are provided as detachable hollow structures, so that the mass of the fixed plate 4 and the intermediate plate 3 can be reduced, and it is avoided that the fixed plate 4 and the intermediate plate 3 are heavy, which is not conducive to the staff to move and assemble. At the same time, the demoulding mechanism is located between the two sets of intermediate plates 3. In order to extend the service life of the mold, an anti-corrosion coating is provided on the outer side of the fixed mold 1, the mobile mold 2, the demoulding mechanism, the fixed plate 4 and the intermediate plate 3. The anti-corrosion coating can be set as an epoxy anti-corrosion coating, a scale anti-corrosion coating, an epoxy polyester mixed type, and an outdoor pure polyester.

[0034] like Figure 2 As shown, in order to realize the detachable installation of the fixed plate 4, the fixed plate 4 includes two first plates 41 and two second plates 42, the two second plates 42 are arranged in parallel, and the ends of the two second plates 42 close to each other are provided with snap grooves 43, one end of the snap grooves 43 is set as an opening, the two first plates 41 are arranged in parallel between the two second plates 42, and the ends of the first plates 41 are fixedly provided with snap plates 44, the snap plates 44 are located in the snap grooves 43, and the two first plates 41 are connected with connecting screws 46. The first plate 41 and the two second plates 42 are arranged to be assembled into a rectangular structure with a hollow structure, which changes the current situation that the fixed plate 4 is arranged as a whole piece of mold steel, reduces the quality of the fixed plate 4, and facilitates the staff to move and assemble. Because the first plate 41 and the second plate 42 are detachably connected, when a plate is damaged, it can be easily replaced, avoiding the replacement of the whole plate 4 due to partial damage to the fixed plate 4, and reducing the cost of mold maintenance.

[0035] like Figure 4 , Figure 5 , Figure 6 As shown, in order to realize the detachable setting of the middle plate 3, the middle plate 3 includes two end plates 31, two connecting rods 33 and multiple connecting plates 32. The two end plates 31 are arranged in parallel, and multiple slots 34 are arranged on the sides of the two end plates 31 close to each other. The multiple connecting plates 32 are arranged in parallel between the two end plates 31. The ends of the connecting plates 32 are provided with plugs 36, and the plugs 36 are inserted into the slots 34. The ends of the two connecting rods 33 are respectively inserted into the two end plates 31. With the cooperation of the plugs 36 and the slots 34, the connecting plates 32 can be stably placed relative to the end plates 31, and at the same time, it is convenient to replace the connecting plates 32 or adjust the number of the connecting plates 32 according to needs. Under the action of the connecting rod 33, the two end plates 31 can be forced to approach each other, thereby clamping the connecting plates 32 to be stably placed relative to the end plates 31, and at the same time, it is convenient to adjust the number of the connecting plates 32 according to needs.

[0036] like Figure 3As shown, in order to allow the connecting screw 46 to stably penetrate the first plate body 41, countersunk holes 45 are provided on the two first plate bodies 41. The two countersunk holes 45 have different shapes at one end away from each other. The end of one countersunk hole 45 is provided with a circular structure, and the end of the other countersunk hole 45 is provided with a polygonal structure. The ends of the connecting screw 46 and the nut are respectively provided in the two countersunk holes 45. With the cooperation of the connecting screw 46 and the nut, the two first plate bodies 41 can be brought close to each other, thereby allowing the snap plate 44 to be stably installed in the snap groove 43.

[0037] like Figure 7 As shown, in order to achieve the mutual connection of the end plates 31 , a polygonal column 37 is provided in the middle of the connecting rod 33 , and threads 38 are provided at both ends. The end of the connecting rod 33 with the threads 38 is threadedly inserted into the threaded hole 35 of the end plate 31 .

[0038] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be modified and varied in various ways. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A corrosion-resistant die steel, characterized in that: The invention comprises a fixed die (1) and a movable die (2); a fixed plate (4) and an intermediate plate (3) are arranged on a side of the movable die (2) away from the fixed die (1); the fixed plate (4) is arranged parallel to the movable die (2); the intermediate plate (3) is arranged in a gap between the fixed plate (4) and the movable die (2); a demoulding mechanism is arranged between two sets of the intermediate plates (3); the fixed plate (4) is arranged as a detachable rectangular frame structure; the intermediate plate (3) is arranged as a detachable frame structure; and an anti-corrosion coating is arranged on the fixed plate (4), the intermediate plate (3), the movable die (2) and the fixed die (1).

2. The corrosion-resistant mold steel according to claim 1, characterized in that: The fixing plate (4) comprises two first plate bodies (41) and two second plate bodies (42), the two second plate bodies (42) are arranged in parallel, the two first plate bodies (41) are arranged in parallel and detachably between the two second plate bodies (42), and the two first plate bodies (41) are connected with a connecting screw (46).

3. The corrosion-resistant mold steel according to claim 2, characterized in that: The ends of the two second plates (42) close to each other on the side are both provided with snap grooves (43), and the end of the first plate (41) is fixedly provided with a snap plate (44), and the snap plate (44) is located in the snap groove (43).

4. The corrosion-resistant die steel according to claim 3, characterized in that: Countersunk holes (45) are provided on the two first plates (41), and the two countersunk holes (45) have different shapes at one end away from each other. The ends of the connecting screw rod (46) and the nut are respectively arranged in the two countersunk holes (45).

5. The corrosion-resistant die steel according to claim 2, characterized in that: The intermediate plate (3) comprises two end plates (31), two connecting rods (33) and a plurality of connecting plates (32); the two end plates (31) are arranged in parallel; the plurality of connecting plates (32) are arranged in parallel between the two end plates (31); and the ends of the two connecting rods (33) are respectively inserted into the two end plates (31).

6. The corrosion-resistant die steel according to claim 5, characterized in that: A plurality of slots (34) are provided on the sides of the two end plates (31) close to each other, and an inserting column (36) is provided at the end of the connecting plate (32), and the inserting column (36) is inserted into the slot (34).

7. The corrosion-resistant die steel according to claim 5, characterized in that: A polygonal column (37) is provided in the middle of the connecting rod (33), and threads (38) are provided at both ends. The end of the connecting rod (33) with the threads (38) is threadedly inserted into the threaded hole (35) of the end plate (31).

Citation Information

Patent Citations

  • Injection mold

    CN218366160U