In-mold hot cutting structure of injection mold
By using telescopic rods to drive the cutting knife assembly and the embedded plate installation structure in the injection mold, the problem of difficult to quickly reset and maintain the tool is solved, and the rapid reset of the cutting knife and the rapid separation of the product are achieved, which improves the working efficiency and maintenance convenience of the injection mold.
Patent Information
- Application Number
- CN202422299742.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-20
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-09-20
AI Technical Summary
The tool is difficult to quickly reset when cutting the injection mold. After frequent use of the cutting knife, the blade is damaged and difficult to disassemble and maintain.
The telescopic rod is used as the driving mechanism to drive the cutter assembly to quickly move up and cut, and push the cutter back through the positioning spring. The cutter is installed in the form of an insertion plate insertion installation groove, and the ejection assembly is pushed out of the molded product through the telescopic rod.
It realizes rapid reset and maintenance of the cutting tool, simple structure, easy operation, can quickly separate and mold products, and improves the working efficiency and maintenance convenience of the injection mold.
Smart Images

Figure CN223161295U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of injection molds, in particular to an in-mold hot cutting structure of an injection mold. Background Art
[0002] Injection molding, also known as injection mold molding, is a molding method that combines injection and molding.
[0003] The patent with the publication number CN207578992U discloses an internal hot cutting structure of a mold, including: a product, a sprue, a cutter core, a male mold core, a cutter sleeve, a connecting rod, an oil cylinder, a first sealing ring, an oil circuit, a second sealing ring; a product is arranged on the top side of the male mold core, and the product is connected to the male mold core by injection molding; a sprue is arranged on one side of the product, and the sprue is connected to the male mold core by inlaying; a cutter sleeve is arranged on the bottom side of the male mold core, and the cutter sleeve is connected to the male mold core by bolts; a cutter core is arranged on the top side of the cutter sleeve, and the cutter core is connected to the cutter sleeve by interference fit; a connecting rod is arranged on the bottom side of the cutter sleeve, and the connecting rod is connected to the cutter sleeve by screwing; an oil cylinder is arranged on the top end of the connecting rod, and the piston rod of the oil cylinder is connected to the connecting rod by sleeving; the internal hot cutting structure of the mold of this patent has the advantages of time saving and labor saving, simple cutting process, and no obvious cutting marks.
[0004] As shown in the above technology, when the injection mold is cutting, in many cases, the tool cannot be quickly reset, and after the cutting tool is frequently used, the cutting edge is damaged and needs maintenance. Ordinary tools are difficult to disassemble, which is inconvenient for replacement and maintenance. Content of the Utility Model
[0005] Aiming at the deficiencies of the prior art, the utility model provides an in-mold hot cutting structure of an injection mold, which solves the problems that when the injection mold is cutting, in many cases, the tool cannot be quickly reset, and after the cutting tool is frequently used, the cutting edge is damaged and needs maintenance. Ordinary tools are difficult to disassemble, which is inconvenient for replacement and maintenance.
[0006] To achieve the above purposes, the utility model is realized through the following technical solutions: an in-mold hot cutting structure of an injection mold, including:
[0007] A bottom module, the surface of the bottom module is provided with anti-slip lines, a working groove is opened at the bottom of the inner wall of the bottom module, and an ejection groove is opened in the middle of the inner wall of the bottom module;
[0008] A hot cutting assembly, one side of the hot cutting assembly is fixedly connected to one side of the bottom of the inner wall of the working groove, and the hot cutting assembly is used for cutting the scrap at the corners of the product in the injection mold;
[0009] A cutting tool assembly, one side of the cutting tool assembly is fixedly connected to one side of the hot cutting assembly, and the cutting tool assembly is used for directly performing the cutting operation;
[0010] Ejecting component, one side of the ejecting component is fixedly connected to the inner wall of the ejecting groove, and the ejecting component is used to eject and separate the product.
[0011] Top module, a placement groove is formed on the surface of the top module, a damping shaft is rotatably connected to the inner wall of the placement groove, and a swinging handle is fixedly connected to one end of the damping shaft.
[0012] Preferably, the hot cutting component includes a telescopic rod fixedly connected to the bottom of the inner wall of the working groove, the top of the telescopic rod is fixedly connected to a synchronous plate, and a connecting block is fixedly connected to one side of the top of the synchronous plate.
[0013] Preferably, a sliding plate is fixedly connected to the other side of the top of the synchronous plate, and a positioning spring is fixedly connected to the top of the sliding plate.
[0014] Preferably, the cutter component includes a mounting block fixedly connected to one side of the hot cutting component, and a mounting groove is formed on the surface of the mounting block.
[0015] Preferably, an embedding plate is movably connected to the inner wall of the mounting groove, and a cutter is fixedly connected to the top of the embedding plate.
[0016] Preferably, the ejecting component includes an arc-shaped positioning plate fixedly connected to the inner wall of the ejecting groove, a top ejecting telescopic rod is fixedly connected to one side of the arc-shaped positioning plate, and a top ejecting plate is fixedly connected to the top of the top ejecting telescopic rod.
[0017] Beneficial effects
[0018] The present utility model provides an in-mold hot cutting structure of an injection mold. Compared with the prior art, the following beneficial effects are achieved:
[0019] (1) In the in-mold hot cutting structure of the injection mold, by setting the hot cutting component, the device uses a telescopic rod as a driving mechanism to quickly drive the cutter component to move upward for cutting. The positioning spring has a thrust trend to push the cutter to recover, and at the same time, it can quickly push the cutter in cooperation with the contraction of the telescopic rod. The related structure is simple and easy to maintain.
[0020] (2) In the in-mold hot cutting structure of the injection mold, by setting the cutter component, the device uses a cutter for cutting, and the cutter is installed in the form of an embedding plate inserted into the mounting groove. The related structure is simple and convenient for the staff to operate quickly. By setting the ejecting component, the mold can directly push the molded product out of the mold through the extension of the top ejecting telescopic rod and the top ejecting plate, and can achieve quick separation. Description of the drawings
[0021] Figure 1 It is a three-dimensional schematic diagram of the present utility model;
[0022] Figure 2 For the present utility model Figure 1 Partial enlarged view of location A in
[0023] Figure 3 Stereoscopic sectional view of the present utility model;
[0024] Figure 4 For the present utility model Figure 3 Partial enlarged view of location B in
[0025] Figure 5 For the present utility model Figure 3 Partial enlarged view of location C in
[0026] In the figure: 1, bottom module; 2, working groove; 3, ejection groove; 4, hot cutting assembly; 41, telescopic rod; 42, synchronous plate; 43, sliding plate; 44, positioning spring; 45, connecting block; 5, cutter assembly; 51, mounting block; 52, mounting groove; 53, embedded plate; 54, cutter; 6, ejection assembly; 61, arc-shaped positioning plate; 62, ejection telescopic rod; 63, ejection plate; 7, top module; 8, placement groove; 9, damping shaft; 10, swinging handle. Specific embodiments
[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0028] Please refer to Figures 1-5 , the present utility model provides two technical solutions:
[0029] Embodiment 1, an in-mold hot cutting structure of an injection mold, including:
[0030] Bottom module 1, the surface of the bottom module 1 is provided with anti-slip patterns, the bottom of the inner wall of the bottom module 1 is provided with a working groove 2, and the middle of the inner wall of the bottom module 1 is provided with an ejection groove 3;
[0031] Hot cutting assembly 4, one side of the hot cutting assembly 4 is fixedly connected to one side of the bottom of the inner wall of the working groove 2, and the hot cutting assembly 4 is used for cutting the product scraps in the injection mold;
[0032] Cutter assembly 5, one side of the cutter assembly 5 is fixedly connected to one side of the hot cutting assembly 4, and the cutter assembly 5 is used for directly performing the cutting operation;
[0033] Ejection assembly 6, one side of the ejection assembly 6 is fixedly connected to the inner wall of the ejection groove 3, and the ejection assembly 6 is used for ejecting and separating the product;
[0034] The top module 7 has a placement groove 8 on its surface, and the inner wall of the placement groove 8 is rotatably connected to a damping shaft 9, one end of the damping shaft 9 is fixedly connected to a swing handle 10. By utilizing the setting of the hot cutting component 4, the device adopts a telescopic rod 41 as a driving mechanism to quickly drive the cutter component 5 to move upward for cutting, wherein the positioning spring 44 has a thrust tendency to push the cutter 54 to restore, and at the same time, the contraction of the telescopic rod 41 can quickly push the cutter 54. The relevant structure is simple and easy to maintain.
[0035] The second embodiment is different from the first embodiment mainly in that: an in-mold hot cutting structure of an injection mold, the hot cutting component 4 includes a telescopic rod 41 fixedly connected to the bottom of the inner wall of the working groove 2, the top of the telescopic rod 41 is fixedly connected to a synchronization plate 42, one side of the top of the synchronization plate 42 is fixedly connected to a connecting block 45, the other side of the top of the synchronization plate 42 is fixedly connected to a sliding plate 43, the top of the sliding plate 43 is fixedly connected to a positioning spring 44, the cutter component 5 includes a mounting block 51 fixedly connected to one side of the hot cutting component 4, the surface of the mounting block 51 is provided with a mounting groove 52, the inner wall of the mounting groove 52 is movably connected to an embedded plate 53, the top of the embedded plate 53 A cutter 54 is fixedly connected, and the ejection component 6 includes an arc-shaped positioning plate 61 fixedly connected to the inner wall of the ejection groove 3. One side of the arc-shaped positioning plate 61 is fixedly connected to the ejection telescopic rod 62, and the top of the ejection telescopic rod 62 is fixedly connected to the ejection plate 63. With the setting of the cutter component 5, the device adopts the cutter 54 for cutting, and the cutter 54 is installed in the form of an embedded plate 53 inserted into the installation groove 52. The relevant structure is simple and convenient for the staff to operate quickly. With the setting of the ejection component 6, the mold can extend the ejection telescopic rod 62 and directly push the molded product out of the mold through the ejection plate 63, so that rapid separation can be achieved.
[0036] A blocking plate is provided on the surface of the bottom module 1 by means of bolts.
[0037] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.
[0038] During operation, lower the top module 7 to the top of the bottom module 1, input high-temperature raw materials through the top module 7. After cooling, extend the telescopic rod 41, drive the connecting block 45 and the cutting knife 54 through the synchronous plate 42 to cut the formed product. At the same time, the cutting knife 54 moves upward to cut the forming die. After cutting, the positioning spring 44 pushes the sliding plate 43 to reset naturally. Extend the ejecting telescopic rod 62 on one side of the arc-shaped positioning plate 61, and the ejecting plate 63 moves upward to push the formed product out of the die. When the cutting knife 54 needs to be maintained, open the sealing plate on the surface of the die, then pull the cutting knife 54 outwards, and the embedding plate 53 slides out of the installation groove 52. After maintaining and servicing the cutting knife 54, insert the embedding plate 53 back into the installation groove 52 on the inner wall of the installation block 51 to complete the maintenance. When the operation of the device is completely finished, restore the device to its original state.
[0039] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or sequence between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.
[0040] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An in-mold hot-cut structure of an injection mold, characterized in that: Including: A bottom module (1), the surface of the bottom module (1) is provided with anti-slip patterns, a working groove (2) is opened at the bottom of the inner wall of the bottom module (1), and an ejection groove (3) is opened in the middle of the inner wall of the bottom module (1); A hot cutting assembly (4), one side of the hot cutting assembly (4) is fixedly connected to one side of the bottom of the inner wall of the working groove (2), and the hot cutting assembly (4) is used for cutting the product scraps at the corners of the injection mold; A cutter assembly (5), one side of the cutter assembly (5) is fixedly connected to one side of the hot cutting assembly (4), and the cutter assembly (5) is used for directly performing the cutting operation; An ejection assembly (6), one side of the ejection assembly (6) is fixedly connected to the inner wall of the ejection groove (3), and the ejection assembly (6) is used for ejecting and separating the product; A top module (7), a placement groove (8) is opened on the surface of the top module (7), a damping shaft (9) is rotatably connected to the inner wall of the placement groove (8), and a swing handle (10) is fixedly connected to one end of the damping shaft (9).
2. The in-mold hot-cut structure of an injection mold according to claim 1, characterized in that: The hot cutting assembly (4) includes a telescopic rod (41) fixedly connected to the bottom of the inner wall of the working groove (2), a synchronous plate (42) is fixedly connected to the top of the telescopic rod (41), and a connecting block (45) is fixedly connected to one side of the top of the synchronous plate (42).
3. The in-mold hot-cut structure of an injection mold according to claim 2, characterized in that: On the other side of the top of the synchronous plate (42), a sliding plate (43) is fixedly connected, and a positioning spring (44) is fixedly connected to the top of the sliding plate (43).
4. The in-mold hot cutting structure of an injection mold according to claim 1, characterized in that: The cutter assembly (5) includes a mounting block (51) fixedly connected to one side of the hot cutting assembly (4), and a mounting groove (52) is opened on the surface of the mounting block (51).
5. The in-mold hot cutting structure of an injection mold according to claim 4, characterized in that: An embedding plate (53) is movably connected to the inner wall of the mounting groove (52), and a cutter (54) is fixedly connected to the top of the embedding plate (53).
6. The in-mold hot cutting structure of an injection mold according to claim 1, characterized in that: The ejection assembly (6) includes an arc-shaped positioning plate (61) fixedly connected to the inner wall of the ejection groove (3), an ejection telescopic rod (62) is fixedly connected to one side of the arc-shaped positioning plate (61), and an ejection plate (63) is fixedly connected to the top of the ejection telescopic rod (62).
Citation Information
Patent Citations
Inside earnestly structure of mould
CN207578992U