Die with throttling function

Abstract

The utility model aims to provide a mould with a throttling function, which solves the problem of excessive residual materials in a runner and comprises an upper mould and a lower mould, an upper mould core is arranged in the upper mould, a lower mould core is arranged in the lower mould, a mould cavity is arranged between the upper mould core and the lower mould core, and the upper mould core and the lower mould core are spliced together. The upper die comprises a first die block, a second die block and a third die block, the two ends of the second die block are connected with the first die block and the third die block respectively, and the upper die core is arranged in the first die block; due to the fact that the arrangement position of the filling nozzle is lowered, the upper portion of the filling nozzle is arranged on the second module, and the lower portion of the filling nozzle is connected into the containing groove in the upper die core in a butt joint mode, the runner is not long, as long as the discharging end of the filling nozzle is communicated with the runner, liquid materials in the runner are cooled, and solid materials remaining in the runner are reduced due to the fact that the length of the runner is shortened. Therefore, residual solid materials can be reduced, and the problem of excessive residual materials in the runner is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the mould manufacturing field, in particular to a mould with throttage. BACKGROUND

[0002] Because the cavity can only accommodate the set amount, and every time when injecting liquid material into the cavity, there is excess liquid material remaining in the runner, after the liquid material cools, the cavity and the runner are both solid, then the fixed material in the runner is extracted, at present, the residual material in the runner is too much, causing the waste of liquid material, and the residual solid material is melted again, increasing the cost. CONTENT

[0003] The utility model aims at providing a mould with throttage, solving the problem of too much residual material in the runner.

[0004] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of:

[0005] The utility model provides a mould with throttage, including with upper die and lower die, the upper die has upper die kernel in, the lower die has lower die kernel in, there is cavity between the upper die kernel and the lower die kernel, the upper die kernel and the lower die kernel splice together, the upper die includes first module, second module and third module, the second module both ends are connected the first module and the third module respectively, the upper die kernel is arranged in the first module;

[0006] Second through hole is provided on the second module, and the second through hole penetrates both ends of the second module, first through hole is provided on the first module, and the first through hole is communicated with the second through hole, and the second through hole and the first through hole are used for placing the pouring nozzle;

[0007] Accommodation groove and runner are provided on the upper die kernel, the accommodation groove is docked with the accommodation groove, the accommodation groove is used for accommodating the pouring nozzle discharge end, and the runner is communicated with the pouring nozzle discharge end.

[0008] Optionally, first positioning block is arranged in the second through hole, the first positioning block is located on the upper die kernel, lower through hole is arranged on the first positioning block, and both ends of the lower through hole are communicated with the second through hole and the accommodation groove respectively.

[0009] Further, accommodation cavity is arranged on the second module, the accommodation cavity is docked with the first through hole, the outer diameter size of the first through hole is greater than the outer diameter size of the second through hole, and the first positioning block extends into the accommodation cavity.

[0010] Further, the second positioning block is arranged in the second through hole, and the second positioning block is located on the upper portion of the first positioning block, and an upper through hole is arranged on the second positioning block and communicates with the lower through hole, and the upper portion of the second positioning block is used for placing the pouring nozzle.

[0011] Further, a groove is arranged on the second positioning block and communicates with the upper through hole, and the groove is used for placing the pouring nozzle.

[0012] Further, a containing cavity is arranged on the third module and is connected to the second through hole, and the containing cavity and the second through hole are used for accommodating the pouring nozzle.

[0013] Further, a first channel is arranged on the first positioning block, a second channel is arranged on the second positioning block, and the first channel is connected to the second channel and the flow channel at both ends.

[0014] Compared with the prior art, the technical scheme has the following advantages:

[0015] The pouring nozzle is arranged at a low position, the upper portion of the pouring nozzle is arranged on the second module, and the lower portion of the pouring nozzle is connected to the containing groove on the upper die core, so that the flow channel does not need to be too long, and as long as the pouring nozzle outlet end communicates with the flow channel, the liquid material in the flow channel can be cooled, the solid material remaining in the flow channel is reduced due to the shortening of the flow channel, and the problem of excessive residual material in the flow channel is solved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Some specific embodiments of the utility model will be described in detail below with reference to the accompanying drawings in an exemplary but not limiting manner. The same reference signs in the drawings indicate the same or similar components or parts. Those skilled in the art should understand that the drawings are not necessarily drawn to scale. In the drawings:

[0017] Figure 1 is a sectional view of a mold with a throttling effect according to a preferred embodiment of the utility model;

[0018] Figure 2 is Figure 1 the structure view shown by the first positioning block and the second positioning block;

[0019] Figure 3 is the structure view of the first positioning block and the second positioning block;

[0020] Figure 4 is an enlarged view of the pull rod, the pull head and the fixing block;

[0021] Figure 5 is a sectional view before improvement.

[0022] Wherein, the reference signs are explained as follows:

[0023] 1, upper die; 2, lower die; 3, first positioning block; 4, second positioning block; 8, pouring nozzle; 10, mold cavity; 11, upper die core; 12, accommodating cavity; 13, first module; 14, second module; 15, third module; 16, second through hole; 17, first through hole; 18, accommodating groove; 19, runner; 20, accommodating cavity; 22, lower die core;

[0024] 23, pull rod; 24, pull head; 25, fixing block; 30, lower through hole; 31, first channel; 40, upper through hole; 41, groove; 42, second channel. DETAILED DESCRIPTION

[0025] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0026] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0027] In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as there is no conflict between them.

[0028] As shown in Figure 1 and Figure 2 and Figure 3 A mold with throttling effect, including upper die 1 and lower die 2, upper die 1 has upper die core 11 in it, lower die 2 has lower die core 22 in it, upper die core 11 and lower die core 22 are spliced together between mold cavity 10.

[0029] The upper die 1 comprises a first module 13, a second module 14 and a third module 15, the second module 14 is connected with the first module 13 and the third module 15 respectively at two ends, the upper die core 11 is arranged in the first module 13, the second module 14 is provided with a second through hole 16, the second through hole 16 penetrates the second module 14 at two ends, and the first module 13 and the third module 15 are respectively located at two ends of the second through hole 16.

[0030] The first module 13 is provided with a first through hole 17, the first through hole 17 is communicated with the second through hole 16, the second through hole 16 and the first through hole 17 are used for placing the pouring nozzle 8, the pouring nozzle 8 extends from the second through hole 16 into the first through hole 17, so that the pouring nozzle 8 is arranged in the first module 13 and the second module 14.

[0031] The upper die core 11 is provided with a containing groove 18 and a flow channel 19, the containing groove 18 is butted with the first through hole 17, the containing groove 18 is used for containing the discharging end of the pouring nozzle 8, the flow channel 19 is communicated with the mold cavity 10 and the pouring nozzle 8 respectively at two ends, the pouring nozzle 8 transports liquid material, the liquid material enters into the flow channel 19, and then the liquid material enters into the mold cavity 10 from the flow channel 19, and the flow channel 19 is only arranged in the upper die core 11.

[0032] The first through hole 17 is provided with a first positioning block 3, the first positioning block 3 is located above the upper die core 11, the first positioning block 3 is provided with a lower through hole 30, the lower through hole 30 is communicated with the second through hole 16 and the containing groove 18 respectively at two ends, the pouring nozzle 8 extends out of the lower through hole 30, and the discharging end of the pouring nozzle 8 is located in the containing groove 18.

[0033] The second module 14 is provided with a containing cavity 12, the containing cavity 12 is butted with the first through hole 17, the inner diameter size of the containing cavity 12 is equal to the inner diameter size of the first through hole 17, the outer diameter size of the first through hole 17 is greater than the outer diameter size of the second through hole 16, that is, the outer diameter size of the containing cavity 12 is greater than the outer diameter size of the second through hole 16, the containing cavity 12 is communicated with the second through hole 16, and the first positioning block 3 extends into the containing cavity 12.

[0034] The second through hole 16 is provided with a second positioning block 4, the second positioning block 4 is located above the first positioning block 3, the second positioning block 4 is provided with an upper through hole 40, the upper through hole 40 is communicated with the lower through hole 30, the pouring nozzle 8 passes through the upper through hole 40 and the lower through hole 30, and the pouring nozzle 8 is placed on the second positioning block 4.

[0035] The second positioning block 4 is provided with a groove 41, the upper through hole 40 is communicated with the groove 41, the groove 41 is used for placing the pouring nozzle 8, the second positioning block 4 is pressed by the third module 15, and the first positioning block 3 and the second positioning block 4 are both used for easily installing the pouring nozzle 8.

[0036] The third module 15 is provided with an accommodating cavity 20 , which is opposite to the second through hole 16 . The accommodating cavity 20 and the second through hole 16 are used to accommodate the filling nozzle 8 . The upper portion of the filling nozzle 8 extends into the accommodating cavity 20 , and the top of the filling nozzle 8 is pressed by the third module 15 .

[0037] The first positioning block 3 is provided with a first channel 31, and the second positioning block 4 is provided with a second channel 42. Both ends of the first channel 31 are connected to the second channel 42 and the flow channel 19 respectively. After the liquid material in the flow channel 19 is cooled.

[0038] like Figure 4 As shown, a pull rod 23 is provided in the first channel 31 and the second channel 42, and a pull head 24 and a fixed block 25 are provided at both ends of the pull rod 23 respectively. The pull head 24 is located in the first channel 31, and the fixed block 25 is located outside the second channel 42. In the initial position, the pull head 24 is located above the flow channel 19 and is in the lowest position. After the liquid material in the flow channel 19 is cooled, the fixed block 25 is pulled hard, and the pull rod 23 and the pull head 24 move together to the outside of the first channel 31, thereby pulling out the solid material in the flow channel 19.

[0039] like Figure 5 As shown in the reference figure before improvement, the flow channel 19 passes through the first module 13 and also passes upward through the second module 14. The receiving groove 18 is provided at the upper end of the first module 13, and the filling nozzle 8 is provided in the third module 15. The filling nozzle 8 passes through the third module 15 and the second module 14. In this way, the filling nozzle 8 is positioned at the top and the flow channel 19 is longer, so that more solid material remains in the flow channel 19.

[0040] The above embodiments are only for illustrating the technical concept and features of the present invention. Their purpose is to enable people familiar with this technology to understand the content of the present invention and implement it accordingly. They are not intended to limit the scope of protection of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of protection of the present invention.

Claims

1. A mold with throttling effect, comprising an upper mold (1) and a lower mold (2), the upper mold (1) having an upper mold core (11) therein, the lower mold (2) having a lower mold core (22) therein, and a mold cavity (10) between the upper mold core (11) and the lower mold core (22), the upper mold core (11) and the lower mold core (22) being spliced together, characterized in that the upper mold (1) comprises a first mold block (13), a second mold block (14) and a third mold block (15), the second mold block (14) being connected to the first mold block (13) and the third mold block (15) at two ends thereof respectively, and the upper mold core (11) being arranged in the first mold block (13). A second through hole (16) is arranged on the second mold block (14) and penetrates the second mold block (14) at two ends thereof, a first through hole (17) is arranged on the first mold block (13) and communicates with the second through hole (16), and the first through hole (17) and the second through hole (16) are used for placing a pouring nozzle. An accommodating groove (18) and a flow channel (19) are arranged on the upper mold core (11), the accommodating groove (18) is butted against the first through hole (17), the accommodating groove (18) is used for accommodating a pouring nozzle discharge end, and the flow channel (19) communicates with the mold cavity (10) and the pouring nozzle at two ends thereof respectively. A first positioning block (3) is arranged in the first through hole (17), the first positioning block (3) is located on the upper mold core (11), a lower through hole (30) is arranged on the first positioning block (3), and the lower through hole (30) communicates with the second through hole (16) and the accommodating groove (18) at two ends thereof respectively.

2. A die with throttling action according to claim 1, characterized in that An accommodating cavity (12) is arranged on the second mold block (14) and butts against the first through hole (17), an outer diameter dimension of the first through hole (17) is greater than that of the second through hole (16), and the first positioning block (3) extends into the accommodating cavity (12).

3. A die with throttling action according to claim 2, characterized in that A second positioning block (4) is arranged in the second through hole (16), the second positioning block (4) is located on an upper portion of the first positioning block (3), an upper through hole (40) is arranged on the second positioning block (4), the upper through hole (40) communicates with the lower through hole (30), and an upper portion of the second positioning block (4) is used for placing the pouring nozzle.

4. A die with throttling action according to claim 3, characterized in that A recess (41) is arranged on the second positioning block (4), the upper through hole (40) communicates with the recess (41), and the recess (41) is used for placing the pouring nozzle.

5. A die with throttling action according to claim 4, characterized in that An accommodating cavity (20) is arranged on the third mold block (15) and butts against the second through hole (16), and the accommodating cavity (20) and the second through hole (16) are used for accommodating the pouring nozzle.

6. The die with throttling action according to claim 4, characterized in that, A first channel (31) is arranged on the first positioning block (3), a second channel (42) is arranged on the second positioning block (4), and the first channel (31) communicates with the second channel (42) and the flow channel (19) at two ends thereof respectively.

7. The die with throttling action according to claim 4, characterized in that, ​

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