Split type mold insert for 3D printing

Abstract

The utility model belongs to the technical field of mold inserts, and particularly relates to a 3D printed split type mold insert which comprises an upper insert and a lower insert, the lower insert is made through 3D printing and detachably connected to the bottom of the upper insert, a water inlet hole and a water outlet hole are formed in the left side and the right side of the upper insert respectively, and the water inlet hole and the water outlet hole are communicated with each other. A mold cavity is formed in the outer surface of the bottom of the lower insert, a water inlet channel and a water outlet channel are formed in the left side and the right side of the lower insert respectively, an attaching flow channel is communicated between the water inlet channel and the water outlet channel, sealing grooves are formed in the upper ends, close to the mold cavity, of the attaching flow channel and between the water inlet channel and the water outlet channel, and annular sealing gaskets are connected in the sealing grooves in a sleeved mode. A pressing block is arranged at the bottom of the upper insert, the mold insert is of a split structure, the upper insert and the lower insert are detachably connected, the lower insert is formed through 3D printing, mold cavities of various different shapes and runners matched with the mold cavities can be conveniently printed, and therefore the heat dissipation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould insert field, concretely is a split mould insert of 3D printing. BACKGROUND

[0002] Mould insert structure is often needed in mould forming process, the die cavity is set up on the insert, and product forming can be facilitated. The mould insert is processed by 3D printing, and the cooling runner can be constructed according to the die cavity shape.

[0003] The cost of the mould insert of 3D printing is high, so the split structure is often used, but the upper insert and the lower insert of 3D printing cannot be stably and effectively connected conveniently in the use process of the split mould insert, so the utility model provides a split mould insert of 3D printing. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a split mould insert of 3D printing to solve the above problems in the background art.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a split mould insert of 3D printing, including upper insert and lower insert, the lower insert is made by 3D printing, the lower insert is detachably connected at the bottom of the upper insert, water inlet holes and water outlet holes are formed in the left and right sides of the upper insert, the die cavity is formed in the bottom outer surface of the lower insert, water inlet channels and water outlet channels are formed in the left and right sides of the lower insert, the abutment runner is communicated between the water inlet channel and the water outlet channel, the abutment runner is close to the die cavity, the upper end between the water inlet channel and the water outlet channel is provided with the sealing groove, the annular sealing gasket is sleeved in the sealing groove, the pressing block is arranged at the bottom of the upper insert, the pressing block is inserted into the sealing groove and extrudes the annular sealing gasket, the plug is arranged on the lower insert, the plug slot is formed in the lower side of the upper insert and is matched with the plug, and the plug is inserted into the plug slot.

[0006] Preferably, the upper end of the upper insert is provided with the boss, and the mounting hole is formed in the boss.

[0007] Preferably, the fixing hole is formed in the upper insert, the threaded hole corresponding to the fixing hole is formed in the plug, the upper insert and the lower insert are fixed by the fastening bolt, and the fastening bolt is screwed with the threaded hole after penetrating through the fixing hole.

[0008] Preferably, the water inlet pipe and the water outlet pipe are mounted on the upper insert, the water inlet pipe is communicated with the water inlet hole, and the water outlet pipe is communicated with the water outlet hole.

[0009] Preferably, the plug plate is arranged at the bottom of the upper insert, the matching slot is formed in the upper end of the lower insert and is matched with the plug plate, and the plug plate is inserted into the matching slot.

[0010] Preferably, the number of the inserting blocks is two, the fixing holes are located on the front and back sides of the inserting blocks, and the upper end of the inserting block is provided with a guide slope.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1)In the utility model, the mold insert adopts a split structure, the upper insert and the lower insert are detachably connected, the lower insert is composed of 3D printing, and various different shapes of mold cavities and flow channels matched with the mold cavities can be printed, so that the heat dissipation efficiency is improved.

[0013] 2)When the upper insert and the lower insert are connected, the inserting block is inserted into the inserting slot, positioning and connection are facilitated, connection stability is improved, misalignment is avoided, the pressing block on the upper insert can be inserted into the sealing groove and extrude the annular sealing gasket, so that sealing is formed, liquid leakage between the water inlet hole and the water inlet channel and between the water outlet hole and the water outlet channel is avoided, and stable and effective sealing can be obtained. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is a sectional view structural schematic view of the upper insert and the lower insert of the utility model;

[0016] Figure 3 It is an explosion view of the utility model;

[0017] Figure 4 It is a structural schematic view of the upper insert of the utility model.

[0018] In the drawing: 1, upper insert; 2, lower insert; 3, boss; 4, mounting hole; 5, water inlet pipe; 6, water outlet pipe; 7, water inlet hole; 8, water outlet hole; 9, inserting slot; 10, inserting block; 11, pressing block; 12, sealing groove; 13, annular sealing gasket; 14, inserting plate; 15, matching groove; 16, mold cavity; 17, water inlet channel; 18, matching flow channel; 19, water outlet channel; 20, fixing hole; 21, screw hole. DETAILED DESCRIPTION

[0019] 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 in 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.

[0020] In the description of the utility model, it needs to explain, the term "upper", "lower", "inner", "outer", "top / bottom end" and so on indicate the orientation or position relation based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element must have a particular orientation, construct and operate in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0021] In the description of the utility model, it needs to explain, unless otherwise expressly provided and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and so on should be understood broadly, for example, "connected", can be fixedly connected, can be detachably connected, or integrally connected, can be mechanically connected, can be electrically connected, can be directly connected, can be indirectly connected through an intermediate medium, and can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0022] Embodiment:

[0023] Please refer to Figures 1-4 The utility model provides a technical scheme: a split type mold insert of 3D printing, including upper insert piece 1 and lower insert piece 2, lower insert piece 2 is made through 3D printing, lower insert piece 2 is detachably connected in the bottom of upper insert piece 1, and upper insert piece 1 is provided with water inlet hole 7 and water outlet hole 8 respectively on the left and right sides, the outer surface of the bottom of lower insert piece 2 is provided with mold cavity 16, lower insert piece 2 is provided with water inlet channel 17 and water outlet channel 19 respectively on the left and right sides, and the water inlet channel 17 and water outlet channel 19 are communicated with the close flow channel 18 close to mold cavity 16, since lower insert piece 2 is composed of 3D printing, it is convenient to process the complex close flow channel 18, improve the heat dissipation efficiency, the upper end between water inlet channel 17 and water outlet channel 19 is provided with sealing groove 12, annular sealing pad 13 is sleeved in sealing groove 12, upper insert piece 1 bottom is provided with press block 11, press block 11 extends into sealing groove 12 and extrudes annular sealing pad 13, thereby forming sealing, avoiding liquid leakage, lower insert piece 2 is provided with plug-in block 10, and the lower side of upper insert piece 1 is provided with plug-in groove 9 matched with plug-in block 10, plug-in block 10 is inserted into plug-in groove 9, thereby facilitating positioning installation connection, the device can replace lower insert piece 2 alone, it is convenient to install lower insert piece 2 of different specifications according to requirements, avoids replacing the whole mold insert, and reduces the cost.

[0024] Upper insert piece 1 upper end is provided with boss 3, and mounting hole 4 is formed in boss 3, boss 3 cooperates with mounting hole 4, which facilitates the installation of upper insert piece 1 into the mold.

[0025] The upper insert piece 1 is provided with a fixing hole 20, the insert block 10 is provided with a threaded hole 21 corresponding to the fixing hole 20 in position, and the upper insert piece 1 and the lower insert piece 2 are fixed through a fastening bolt 22 which is screwed with the threaded hole 21 after passing through the fixing hole 20.

[0026] The upper insert piece 1 is provided with a water inlet pipe 5 and a water outlet pipe 6, the water inlet pipe 5 is communicated with a water inlet hole 7, and the water outlet pipe 6 is communicated with a water outlet hole 8.

[0027] The upper insert piece 1 is provided with an insert plate 14 at the bottom, the lower insert piece 2 is provided with a matching groove 15 corresponding to the insert plate 14, and the insert plate 14 is inserted into the matching groove 15, thereby further improving the stability of the connection.

[0028] The number of the insert block 10 is two, the fixing hole 20 is located at the front and rear sides of the insert block 10, and the upper end of the insert block 10 is provided with a guide inclined surface.

[0029] Working principle: the mold insert adopts a split structure, the upper insert piece 1 and the lower insert piece 2 are detachably connected, the lower insert piece 2 is composed of 3D printing, various different shaped mold cavities 16 and flow channels corresponding to the mold cavities 16 can be printed, thereby improving the heat dissipation efficiency, the insert block 10 is inserted into the insertion slot 9 when the upper insert piece 1 and the lower insert piece 2 are connected, thereby facilitating positioning and connection, improving the stability of the connection and avoiding misalignment, and at the same time, the pressing block 11 on the upper insert piece 1 can extend into the sealing groove 12 and press the annular sealing gasket 13, thereby forming a seal, avoiding liquid leakage between the water inlet hole 7 and the water inlet channel 17 and between the water outlet hole 8 and the water outlet channel 19, and achieving stable and effective sealing.

[0030] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, for those skilled in the art, obviously, the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model, and any figure mark in the claims should not be regarded as limiting the involved claims.

[0031] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principle and spirit of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A 3D-printed split mold insert, comprising an upper insert (1) and a lower insert (2), characterized in that: The lower insert (2) is made by 3D printing. The lower insert (2) is detachably connected to the bottom of the upper insert (1). The upper insert (1) has water inlet holes (7) and water outlet holes (8) on its left and right sides, respectively. The lower insert (2) has a mold cavity (16) on its bottom outer surface. The lower insert (2) has water inlet channels (17) and water outlet channels (19) on its left and right sides, respectively. A fitting flow channel (18) connects the water inlet channel (17) and the water outlet channel (19). The fitting flow channel (18) is close to the mold cavity (16). A sealing groove (12) is provided at the upper end of the water inlet channel (17) and the water outlet channel (19). An annular sealing gasket (13) is fitted in the sealing groove (12). A pressure block (11) is provided at the bottom of the upper insert (1). The pressure block (11) extends into the sealing groove (12). 12) The annular sealing gasket (13) is squeezed and the lower insert (2) is provided with a plug (10). The upper insert (1) has a slot (9) adapted to the plug (10) on its lower side. The plug (10) is inserted into the slot (9). The upper insert (1) has a fixing hole (20). The plug (10) has a threaded hole (21) with a position corresponding to the fixing hole (20). The upper insert (1) and the lower insert (2) are fixed together by a fastening bolt (22). The fastening bolt (22) passes through the fixing hole (20) and is screwed into the threaded hole (21). The bottom of the upper insert (1) is provided with a plug plate (14). The lower insert (2) has a mating groove (15) adapted to the plug plate (14). The plug plate (14) is inserted into the mating groove (15).

2. The 3D-printed split mold insert according to claim 1, characterized in that: The upper insert (1) is provided with a boss (3) at its upper end, and the boss (3) is provided with a mounting hole (4).

3. The 3D-printed split mold insert according to claim 1, characterized in that: The upper insert (1) is equipped with an inlet pipe (5) and an outlet pipe (6), the inlet pipe (5) and the inlet hole (7) are connected, and the outlet pipe (6) and the outlet hole (8) are connected.

4. A 3D-printed split mold insert according to claim 1, characterized in that: The number of the inserts (10) is two, the fixing holes (20) are located on the front and rear sides of the inserts (10), and the upper end of the inserts (10) is provided with a guide slope.

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